Merge "init.rc: Set owner for /sys/power/autosleep"
diff --git a/adb/adb.c b/adb/adb.c
index 44eaebb..6ec4f7a 100644
--- a/adb/adb.c
+++ b/adb/adb.c
@@ -21,6 +21,7 @@
#include <ctype.h>
#include <stdarg.h>
#include <errno.h>
+#include <stddef.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
@@ -28,6 +29,8 @@
#include "sysdeps.h"
#include "adb.h"
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
#if !ADB_HOST
#include <private/android_filesystem_config.h>
#include <linux/capability.h>
@@ -42,7 +45,9 @@
int HOST = 0;
+#if !ADB_HOST
static const char *adb_device_banner = "device";
+#endif
void fatal(const char *fmt, ...)
{
@@ -269,6 +274,36 @@
send_packet(p, t);
}
+static size_t fill_connect_data(char *buf, size_t bufsize)
+{
+#if ADB_HOST
+ return snprintf(buf, bufsize, "host::") + 1;
+#else
+ static const char *cnxn_props[] = {
+ "ro.product.name",
+ "ro.product.model",
+ "ro.product.device",
+ };
+ static const int num_cnxn_props = ARRAY_SIZE(cnxn_props);
+ int i;
+ size_t remaining = bufsize;
+ size_t len;
+
+ len = snprintf(buf, remaining, "%s::", adb_device_banner);
+ remaining -= len;
+ buf += len;
+ for (i = 0; i < num_cnxn_props; i++) {
+ char value[PROPERTY_VALUE_MAX];
+ property_get(cnxn_props[i], value, "");
+ len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value);
+ remaining -= len;
+ buf += len;
+ }
+
+ return bufsize - remaining + 1;
+#endif
+}
+
static void send_connect(atransport *t)
{
D("Calling send_connect \n");
@@ -276,9 +311,8 @@
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
- snprintf((char*) cp->data, sizeof cp->data, "%s::",
- HOST ? "host" : adb_device_banner);
- cp->msg.data_length = strlen((char*) cp->data) + 1;
+ cp->msg.data_length = fill_connect_data((char *)cp->data,
+ sizeof(cp->data));
send_packet(cp, t);
#if ADB_HOST
/* XXX why sleep here? */
@@ -305,29 +339,56 @@
}
}
+/* qual_overwrite is used to overwrite a qualifier string. dst is a
+ * pointer to a char pointer. It is assumed that if *dst is non-NULL, it
+ * was malloc'ed and needs to freed. *dst will be set to a dup of src.
+ */
+static void qual_overwrite(char **dst, const char *src)
+{
+ if (!dst)
+ return;
+
+ free(*dst);
+ *dst = NULL;
+
+ if (!src || !*src)
+ return;
+
+ *dst = strdup(src);
+}
+
void parse_banner(char *banner, atransport *t)
{
- char *type, *product, *end;
+ static const char *prop_seps = ";";
+ static const char key_val_sep = '=';
+ char *cp;
+ char *type;
D("parse_banner: %s\n", banner);
type = banner;
- product = strchr(type, ':');
- if(product) {
- *product++ = 0;
- } else {
- product = "";
- }
-
- /* remove trailing ':' */
- end = strchr(product, ':');
- if(end) *end = 0;
-
- /* save product name in device structure */
- if (t->product == NULL) {
- t->product = strdup(product);
- } else if (strcmp(product, t->product) != 0) {
- free(t->product);
- t->product = strdup(product);
+ cp = strchr(type, ':');
+ if (cp) {
+ *cp++ = 0;
+ /* Nothing is done with second field. */
+ cp = strchr(cp, ':');
+ if (cp) {
+ char *save;
+ char *key;
+ key = adb_strtok_r(cp + 1, prop_seps, &save);
+ while (key) {
+ cp = strchr(key, key_val_sep);
+ if (cp) {
+ *cp++ = '\0';
+ if (!strcmp(key, "ro.product.name"))
+ qual_overwrite(&t->product, cp);
+ else if (!strcmp(key, "ro.product.model"))
+ qual_overwrite(&t->model, cp);
+ else if (!strcmp(key, "ro.product.device"))
+ qual_overwrite(&t->device, cp);
+ }
+ key = adb_strtok_r(NULL, prop_seps, &save);
+ }
+ }
}
if(!strcmp(type, "bootloader")){
@@ -1025,7 +1086,8 @@
if (sscanf(value, "%d", &port) == 1 && port > 0) {
// listen on TCP port specified by service.adb.tcp.port property
local_init(port);
- } else if (access("/dev/android_adb", F_OK) == 0) {
+ } else if (access(USB_ADB_PATH, F_OK) == 0 ||
+ access(USB_FFS_ADB_EP0, F_OK) == 0) {
// listen on USB
usb_init();
} else {
@@ -1067,7 +1129,7 @@
strncpy(hostbuf, host, sizeof(hostbuf) - 1);
if (portstr) {
- if (portstr - host >= sizeof(hostbuf)) {
+ if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) {
snprintf(buffer, buffer_size, "bad host name %s", host);
return;
}
diff --git a/adb/adb.h b/adb/adb.h
index 4a9b53c..df88896 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -190,6 +190,8 @@
/* used to identify transports for clients */
char *serial;
char *product;
+ char *model;
+ char *device;
char *devpath;
int adb_port; // Use for emulators (local transport)
@@ -254,7 +256,7 @@
** get_device_transport does an acquire on your behalf before returning
*/
void init_transport_registration(void);
-int list_transports(char *buf, size_t bufsize, int show_devpath);
+int list_transports(char *buf, size_t bufsize, int long_listing);
void update_transports(void);
asocket* create_device_tracker(void);
@@ -462,6 +464,17 @@
#define CHUNK_SIZE (64*1024)
+#if !ADB_HOST
+#define USB_ADB_PATH "/dev/android_adb"
+
+#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/"
+#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH#x
+
+#define USB_FFS_ADB_EP0 USB_FFS_ADB_EP(ep0)
+#define USB_FFS_ADB_OUT USB_FFS_ADB_EP(ep1)
+#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2)
+#endif
+
int sendfailmsg(int fd, const char *reason);
int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s);
diff --git a/adb/commandline.c b/adb/commandline.c
index a6f1ce2..10b2332 100644
--- a/adb/commandline.c
+++ b/adb/commandline.c
@@ -85,7 +85,7 @@
" -e - directs command to the only running emulator.\n"
" returns an error if more than one emulator is running.\n"
" -s <specific device> - directs command to the device or emulator with the given\n"
- " serial number or device path. Overrides ANDROID_SERIAL\n"
+ " serial number or qualifier. Overrides ANDROID_SERIAL\n"
" environment variable.\n"
" -p <product name or path> - simple product name like 'sooner', or\n"
" a relative/absolute path to a product\n"
@@ -94,7 +94,7 @@
" environment variable is used, which must\n"
" be an absolute path.\n"
" devices [-l] - list all connected devices\n"
- " ('-l' means list device paths)\n"
+ " ('-l' will also list device qualifiers)\n"
" connect <host>[:<port>] - connect to a device via TCP/IP\n"
" Port 5555 is used by default if no port number is specified.\n"
" disconnect [<host>[:<port>]] - disconnect from a TCP/IP device.\n"
diff --git a/adb/protocol.txt b/adb/protocol.txt
index 398d042..abd63f9 100644
--- a/adb/protocol.txt
+++ b/adb/protocol.txt
@@ -72,7 +72,7 @@
The system identity string should be "<systemtype>:<serialno>:<banner>"
where systemtype is "bootloader", "device", or "host", serialno is some
kind of unique ID (or empty), and banner is a human-readable version
-or identifier string (informational only).
+or identifier string. The banner is used to transmit useful properties.
--- OPEN(local-id, 0, "destination") -----------------------------------
diff --git a/adb/sockets.c b/adb/sockets.c
index 91db951..b77c38c 100644
--- a/adb/sockets.c
+++ b/adb/sockets.c
@@ -608,12 +608,30 @@
return n;
}
+#define PREFIX(str) { str, sizeof(str) - 1 }
+static const struct prefix_struct {
+ const char *str;
+ const size_t len;
+} prefixes[] = {
+ PREFIX("usb:"),
+ PREFIX("product:"),
+ PREFIX("model:"),
+ PREFIX("device:"),
+};
+static const int num_prefixes = (sizeof(prefixes) / sizeof(prefixes[0]));
+
/* skip_host_serial return the position in a string
skipping over the 'serial' parameter in the ADB protocol,
where parameter string may be a host:port string containing
the protocol delimiter (colon). */
char *skip_host_serial(char *service) {
char *first_colon, *serial_end;
+ int i;
+
+ for (i = 0; i < num_prefixes; i++) {
+ if (!strncmp(service, prefixes[i].str, prefixes[i].len))
+ return strchr(service + prefixes[i].len, ':');
+ }
first_colon = strchr(service, ':');
if (!first_colon) {
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index b518076..605fa17 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -254,6 +254,8 @@
return isalpha(path[0]) && path[1] == ':' && path[2] == '\\';
}
+extern char* adb_strtok_r(char *str, const char *delim, char **saveptr);
+
#else /* !_WIN32 a.k.a. Unix */
#include "fdevent.h"
@@ -490,6 +492,13 @@
return path[0] == '/';
}
+static __inline__ char* adb_strtok_r(char *str, const char *delim, char **saveptr)
+{
+ return strtok_r(str, delim, saveptr);
+}
+#undef strtok_r
+#define strtok_r ___xxx_strtok_r
+
#endif /* !_WIN32 */
#endif /* _ADB_SYSDEPS_H */
diff --git a/adb/sysdeps_win32.c b/adb/sysdeps_win32.c
index c426718..d41c42c 100644
--- a/adb/sysdeps_win32.c
+++ b/adb/sysdeps_win32.c
@@ -2140,3 +2140,81 @@
InitializeCriticalSection( &_win32_lock );
}
+/* Windows doesn't have strtok_r. Use the one from bionic. */
+
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+char *
+adb_strtok_r(char *s, const char *delim, char **last)
+{
+ char *spanp;
+ int c, sc;
+ char *tok;
+
+
+ if (s == NULL && (s = *last) == NULL)
+ return (NULL);
+
+ /*
+ * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
+ */
+cont:
+ c = *s++;
+ for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
+ if (c == sc)
+ goto cont;
+ }
+
+ if (c == 0) { /* no non-delimiter characters */
+ *last = NULL;
+ return (NULL);
+ }
+ tok = s - 1;
+
+ /*
+ * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
+ * Note that delim must have one NUL; we stop if we see that, too.
+ */
+ for (;;) {
+ c = *s++;
+ spanp = (char *)delim;
+ do {
+ if ((sc = *spanp++) == c) {
+ if (c == 0)
+ s = NULL;
+ else
+ s[-1] = 0;
+ *last = s;
+ return (tok);
+ }
+ } while (sc != 0);
+ }
+ /* NOTREACHED */
+}
diff --git a/adb/transport.c b/adb/transport.c
index 29cb582..9fd6cc2 100644
--- a/adb/transport.c
+++ b/adb/transport.c
@@ -601,6 +601,10 @@
free(t->product);
if (t->serial)
free(t->serial);
+ if (t->model)
+ free(t->model);
+ if (t->device)
+ free(t->device);
if (t->devpath)
free(t->devpath);
@@ -739,6 +743,45 @@
dis->next = dis->prev = dis;
}
+static int qual_char_is_invalid(char ch)
+{
+ if ('A' <= ch && ch <= 'Z')
+ return 0;
+ if ('a' <= ch && ch <= 'z')
+ return 0;
+ if ('0' <= ch && ch <= '9')
+ return 0;
+ return 1;
+}
+
+static int qual_match(const char *to_test,
+ const char *prefix, const char *qual, int sanitize_qual)
+{
+ if (!to_test || !*to_test)
+ /* Return true if both the qual and to_test are null strings. */
+ return !qual || !*qual;
+
+ if (!qual)
+ return 0;
+
+ if (prefix) {
+ while (*prefix) {
+ if (*prefix++ != *to_test++)
+ return 0;
+ }
+ }
+
+ while (*qual) {
+ char ch = *qual++;
+ if (sanitize_qual && qual_char_is_invalid(ch))
+ ch = '_';
+ if (ch != *to_test++)
+ return 0;
+ }
+
+ /* Everything matched so far. Return true if *to_test is a NUL. */
+ return !*to_test;
+}
atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char** error_out)
{
@@ -760,13 +803,19 @@
/* check for matching serial number */
if (serial) {
- if (t->serial && !strcmp(serial, t->serial)) {
+ if ((t->serial && !strcmp(serial, t->serial)) ||
+ (t->devpath && !strcmp(serial, t->devpath)) ||
+ qual_match(serial, "product:", t->product, 0) ||
+ qual_match(serial, "model:", t->model, 1) ||
+ qual_match(serial, "device:", t->device, 0)) {
+ if (result) {
+ if (error_out)
+ *error_out = "more than one device";
+ ambiguous = 1;
+ result = NULL;
+ break;
+ }
result = t;
- break;
- }
- if (t->devpath && !strcmp(serial, t->devpath)) {
- result = t;
- break;
}
} else {
if (ttype == kTransportUsb && t->type == kTransportUsb) {
@@ -843,7 +892,58 @@
}
}
-int list_transports(char *buf, size_t bufsize, int show_devpath)
+static void add_qual(char **buf, size_t *buf_size,
+ const char *prefix, const char *qual, int sanitize_qual)
+{
+ size_t len;
+ int prefix_len;
+
+ if (!buf || !*buf || !buf_size || !*buf_size || !qual || !*qual)
+ return;
+
+ len = snprintf(*buf, *buf_size, "%s%n%s", prefix, &prefix_len, qual);
+
+ if (sanitize_qual) {
+ char *cp;
+ for (cp = *buf + prefix_len; cp < *buf + len; cp++) {
+ if (qual_char_is_invalid(*cp))
+ *cp = '_';
+ }
+ }
+
+ *buf_size -= len;
+ *buf += len;
+}
+
+static size_t format_transport(atransport *t, char *buf, size_t bufsize,
+ int long_listing)
+{
+ const char* serial = t->serial;
+ if (!serial || !serial[0])
+ serial = "????????????";
+
+ if (!long_listing) {
+ return snprintf(buf, bufsize, "%s\t%s\n", serial, statename(t));
+ } else {
+ size_t len, remaining = bufsize;
+
+ len = snprintf(buf, remaining, "%-22s %s", serial, statename(t));
+ remaining -= len;
+ buf += len;
+
+ add_qual(&buf, &remaining, " ", t->devpath, 0);
+ add_qual(&buf, &remaining, " product:", t->product, 0);
+ add_qual(&buf, &remaining, " model:", t->model, 1);
+ add_qual(&buf, &remaining, " device:", t->device, 0);
+
+ len = snprintf(buf, remaining, "\n");
+ remaining -= len;
+
+ return bufsize - remaining;
+ }
+}
+
+int list_transports(char *buf, size_t bufsize, int long_listing)
{
char* p = buf;
char* end = buf + bufsize;
@@ -853,17 +953,7 @@
/* XXX OVERRUN PROBLEMS XXX */
adb_mutex_lock(&transport_lock);
for(t = transport_list.next; t != &transport_list; t = t->next) {
- const char* serial = t->serial;
- if (!serial || !serial[0])
- serial = "????????????";
- if (show_devpath) {
- const char* devpath = t->devpath;
- if (!devpath || !devpath[0])
- devpath = "????????????";
- len = snprintf(p, end - p, "%s\t%s\t%s\n", serial, devpath, statename(t));
- } else
- len = snprintf(p, end - p, "%s\t%s\n", serial, statename(t));
-
+ len = format_transport(t, p, end - p, long_listing);
if (p + len >= end) {
/* discard last line if buffer is too short */
break;
@@ -923,9 +1013,6 @@
if (t->serial && !strcmp(serial, t->serial)) {
break;
}
- if (t->devpath && !strcmp(serial, t->devpath)) {
- break;
- }
}
adb_mutex_unlock(&transport_lock);
diff --git a/adb/usb_linux_client.c b/adb/usb_linux_client.c
index b110ed8..fb1dad0 100644
--- a/adb/usb_linux_client.c
+++ b/adb/usb_linux_client.c
@@ -19,6 +19,8 @@
#include <unistd.h>
#include <string.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/functionfs.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <dirent.h>
@@ -29,20 +31,122 @@
#define TRACE_TAG TRACE_USB
#include "adb.h"
+#define MAX_PACKET_SIZE_FS 64
+#define MAX_PACKET_SIZE_HS 512
+
+#define cpu_to_le16(x) htole16(x)
+#define cpu_to_le32(x) htole32(x)
struct usb_handle
{
- int fd;
adb_cond_t notify;
adb_mutex_t lock;
+
+ int (*write)(usb_handle *h, const void *data, int len);
+ int (*read)(usb_handle *h, void *data, int len);
+ void (*kick)(usb_handle *h);
+
+ // Legacy f_adb
+ int fd;
+
+ // FunctionFS
+ int control;
+ int bulk_out; /* "out" from the host's perspective => source for adbd */
+ int bulk_in; /* "in" from the host's perspective => sink for adbd */
};
-void usb_cleanup()
-{
- // nothing to do here
-}
+static const struct {
+ struct usb_functionfs_descs_head header;
+ struct {
+ struct usb_interface_descriptor intf;
+ struct usb_endpoint_descriptor_no_audio source;
+ struct usb_endpoint_descriptor_no_audio sink;
+ } __attribute__((packed)) fs_descs, hs_descs;
+} __attribute__((packed)) descriptors = {
+ .header = {
+ .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC),
+ .length = cpu_to_le32(sizeof(descriptors)),
+ .fs_count = 3,
+ .hs_count = 3,
+ },
+ .fs_descs = {
+ .intf = {
+ .bLength = sizeof(descriptors.fs_descs.intf),
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = ADB_CLASS,
+ .bInterfaceSubClass = ADB_SUBCLASS,
+ .bInterfaceProtocol = ADB_PROTOCOL,
+ .iInterface = 1, /* first string from the provided table */
+ },
+ .source = {
+ .bLength = sizeof(descriptors.fs_descs.source),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 1 | USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_FS,
+ },
+ .sink = {
+ .bLength = sizeof(descriptors.fs_descs.sink),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 2 | USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_FS,
+ },
+ },
+ .hs_descs = {
+ .intf = {
+ .bLength = sizeof(descriptors.hs_descs.intf),
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = ADB_CLASS,
+ .bInterfaceSubClass = ADB_SUBCLASS,
+ .bInterfaceProtocol = ADB_PROTOCOL,
+ .iInterface = 1, /* first string from the provided table */
+ },
+ .source = {
+ .bLength = sizeof(descriptors.hs_descs.source),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 1 | USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_HS,
+ },
+ .sink = {
+ .bLength = sizeof(descriptors.hs_descs.sink),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 2 | USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = MAX_PACKET_SIZE_HS,
+ },
+ },
+};
-static void *usb_open_thread(void *x)
+#define STR_INTERFACE_ "ADB Interface"
+
+static const struct {
+ struct usb_functionfs_strings_head header;
+ struct {
+ __le16 code;
+ const char str1[sizeof(STR_INTERFACE_)];
+ } __attribute__((packed)) lang0;
+} __attribute__((packed)) strings = {
+ .header = {
+ .magic = cpu_to_le32(FUNCTIONFS_STRINGS_MAGIC),
+ .length = cpu_to_le32(sizeof(strings)),
+ .str_count = cpu_to_le32(1),
+ .lang_count = cpu_to_le32(1),
+ },
+ .lang0 = {
+ cpu_to_le16(0x0409), /* en-us */
+ STR_INTERFACE_,
+ },
+};
+
+
+
+static void *usb_adb_open_thread(void *x)
{
struct usb_handle *usb = (struct usb_handle *)x;
int fd;
@@ -79,7 +183,7 @@
return 0;
}
-int usb_write(usb_handle *h, const void *data, int len)
+static int usb_adb_write(usb_handle *h, const void *data, int len)
{
int n;
@@ -94,7 +198,7 @@
return 0;
}
-int usb_read(usb_handle *h, void *data, int len)
+static int usb_adb_read(usb_handle *h, void *data, int len)
{
int n;
@@ -109,14 +213,31 @@
return 0;
}
-void usb_init()
+static void usb_adb_kick(usb_handle *h)
+{
+ D("usb_kick\n");
+ adb_mutex_lock(&h->lock);
+ adb_close(h->fd);
+ h->fd = -1;
+
+ // notify usb_adb_open_thread that we are disconnected
+ adb_cond_signal(&h->notify);
+ adb_mutex_unlock(&h->lock);
+}
+
+static void usb_adb_init()
{
usb_handle *h;
adb_thread_t tid;
int fd;
h = calloc(1, sizeof(usb_handle));
+
+ h->write = usb_adb_write;
+ h->read = usb_adb_read;
+ h->kick = usb_adb_kick;
h->fd = -1;
+
adb_cond_init(&h->notify, 0);
adb_mutex_init(&h->lock, 0);
@@ -133,25 +254,239 @@
}
D("[ usb_init - starting thread ]\n");
- if(adb_thread_create(&tid, usb_open_thread, h)){
+ if(adb_thread_create(&tid, usb_adb_open_thread, h)){
fatal_errno("cannot create usb thread");
}
}
-void usb_kick(usb_handle *h)
-{
- D("usb_kick\n");
- adb_mutex_lock(&h->lock);
- adb_close(h->fd);
- h->fd = -1;
- // notify usb_open_thread that we are disconnected
+static void init_functionfs(struct usb_handle *h)
+{
+ ssize_t ret;
+
+ D("OPENING %s\n", USB_FFS_ADB_EP0);
+ h->control = adb_open(USB_FFS_ADB_EP0, O_RDWR);
+ if (h->control < 0) {
+ D("[ %s: cannot open control endpoint: errno=%d]\n", USB_FFS_ADB_EP0, errno);
+ goto err;
+ }
+
+ ret = adb_write(h->control, &descriptors, sizeof(descriptors));
+ if (ret < 0) {
+ D("[ %s: write descriptors failed: errno=%d ]\n", USB_FFS_ADB_EP0, errno);
+ goto err;
+ }
+
+ ret = adb_write(h->control, &strings, sizeof(strings));
+ if (ret < 0) {
+ D("[ %s: writing strings failed: errno=%d]\n", USB_FFS_ADB_EP0, errno);
+ goto err;
+ }
+
+ h->bulk_out = adb_open(USB_FFS_ADB_OUT, O_RDWR);
+ if (h->bulk_out < 0) {
+ D("[ %s: cannot open bulk-out ep: errno=%d ]\n", USB_FFS_ADB_OUT, errno);
+ goto err;
+ }
+
+ h->bulk_in = adb_open(USB_FFS_ADB_IN, O_RDWR);
+ if (h->bulk_in < 0) {
+ D("[ %s: cannot open bulk-in ep: errno=%d ]\n", USB_FFS_ADB_IN, errno);
+ goto err;
+ }
+
+ return;
+
+err:
+ if (h->bulk_in > 0) {
+ adb_close(h->bulk_in);
+ h->bulk_in = -1;
+ }
+ if (h->bulk_out > 0) {
+ adb_close(h->bulk_out);
+ h->bulk_out = -1;
+ }
+ if (h->control > 0) {
+ adb_close(h->control);
+ h->control = -1;
+ }
+ return;
+}
+
+static void *usb_ffs_open_thread(void *x)
+{
+ struct usb_handle *usb = (struct usb_handle *)x;
+
+ while (1) {
+ // wait until the USB device needs opening
+ adb_mutex_lock(&usb->lock);
+ while (usb->control != -1)
+ adb_cond_wait(&usb->notify, &usb->lock);
+ adb_mutex_unlock(&usb->lock);
+
+ while (1) {
+ init_functionfs(usb);
+
+ if (usb->control >= 0)
+ break;
+
+ adb_sleep_ms(1000);
+ }
+
+ D("[ usb_thread - registering device ]\n");
+ register_usb_transport(usb, 0, 0, 1);
+ }
+
+ // never gets here
+ return 0;
+}
+
+static int bulk_write(int bulk_in, const char *buf, size_t length)
+{
+ size_t count = 0;
+ int ret;
+
+ do {
+ ret = adb_write(bulk_in, buf + count, length - count);
+ if (ret < 0) {
+ if (errno != EINTR)
+ return ret;
+ } else {
+ count += ret;
+ }
+ } while (count < length);
+
+ D("[ bulk_write done fd=%d ]\n", bulk_in);
+ return count;
+}
+
+static int usb_ffs_write(usb_handle *h, const void *data, int len)
+{
+ int n;
+
+ D("about to write (fd=%d, len=%d)\n", h->bulk_in, len);
+ n = bulk_write(h->bulk_in, data, len);
+ if (n != len) {
+ D("ERROR: fd = %d, n = %d, errno = %d (%s)\n",
+ h->bulk_in, n, errno, strerror(errno));
+ return -1;
+ }
+ D("[ done fd=%d ]\n", h->bulk_in);
+ return 0;
+}
+
+static int bulk_read(int bulk_out, char *buf, size_t length)
+{
+ size_t count = 0;
+ int ret;
+
+ do {
+ ret = adb_read(bulk_out, buf + count, length - count);
+ if (ret < 0) {
+ if (errno != EINTR) {
+ D("[ bulk_read failed fd=%d length=%d count=%d ]\n",
+ bulk_out, length, count);
+ return ret;
+ }
+ } else {
+ count += ret;
+ }
+ } while (count < length);
+
+ return count;
+}
+
+static int usb_ffs_read(usb_handle *h, void *data, int len)
+{
+ int n;
+
+ D("about to read (fd=%d, len=%d)\n", h->bulk_out, len);
+ n = bulk_read(h->bulk_out, data, len);
+ if (n != len) {
+ D("ERROR: fd = %d, n = %d, errno = %d (%s)\n",
+ h->bulk_out, n, errno, strerror(errno));
+ return -1;
+ }
+ D("[ done fd=%d ]\n", h->bulk_out);
+ return 0;
+}
+
+static void usb_ffs_kick(usb_handle *h)
+{
+ int err;
+
+ err = ioctl(h->bulk_in, FUNCTIONFS_CLEAR_HALT);
+ if (err < 0)
+ D("[ kick: source (fd=%d) clear halt failed (%d) ]", h->bulk_in, errno);
+
+ err = ioctl(h->bulk_out, FUNCTIONFS_CLEAR_HALT);
+ if (err < 0)
+ D("[ kick: sink (fd=%d) clear halt failed (%d) ]", h->bulk_out, errno);
+
+ adb_mutex_lock(&h->lock);
+ adb_close(h->control);
+ adb_close(h->bulk_out);
+ adb_close(h->bulk_in);
+ h->control = h->bulk_out = h->bulk_in = -1;
+
+ // notify usb_ffs_open_thread that we are disconnected
adb_cond_signal(&h->notify);
adb_mutex_unlock(&h->lock);
}
+static void usb_ffs_init()
+{
+ usb_handle *h;
+ adb_thread_t tid;
+
+ D("[ usb_init - using FunctionFS ]\n");
+
+ h = calloc(1, sizeof(usb_handle));
+
+ h->write = usb_ffs_write;
+ h->read = usb_ffs_read;
+ h->kick = usb_ffs_kick;
+
+ h->control = -1;
+ h->bulk_out = -1;
+ h->bulk_out = -1;
+
+ adb_cond_init(&h->notify, 0);
+ adb_mutex_init(&h->lock, 0);
+
+ D("[ usb_init - starting thread ]\n");
+ if (adb_thread_create(&tid, usb_ffs_open_thread, h)){
+ fatal_errno("[ cannot create usb thread ]\n");
+ }
+}
+
+void usb_init()
+{
+ if (access(USB_FFS_ADB_EP0, F_OK) == 0)
+ usb_ffs_init();
+ else
+ usb_adb_init();
+}
+
+void usb_cleanup()
+{
+}
+
+int usb_write(usb_handle *h, const void *data, int len)
+{
+ return h->write(h, data, len);
+}
+
+int usb_read(usb_handle *h, void *data, int len)
+{
+ return h->read(h, data, len);
+}
int usb_close(usb_handle *h)
{
- // nothing to do here
return 0;
}
+
+void usb_kick(usb_handle *h)
+{
+ h->kick(h);
+}
diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index f5aa8cc..b988115 100644
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -125,6 +125,8 @@
#define VENDOR_ID_SONY 0x054C
// Lab126's USB Vendor ID
#define VENDOR_ID_LAB126 0x1949
+// Yulong Coolpad's USB Vendor ID
+#define VENDOR_ID_YULONG_COOLPAD 0x1EBF
/** built-in vendor list */
int builtInVendorIds[] = {
@@ -173,6 +175,7 @@
VENDOR_ID_INQ_MOBILE,
VENDOR_ID_SONY,
VENDOR_ID_LAB126,
+ VENDOR_ID_YULONG_COOLPAD,
};
#define BUILT_IN_VENDOR_COUNT (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0]))
diff --git a/adb/usb_windows.c b/adb/usb_windows.c
index a2fbb79..4936b77 100644
--- a/adb/usb_windows.c
+++ b/adb/usb_windows.c
@@ -255,7 +255,7 @@
}
int usb_write(usb_handle* handle, const void* data, int len) {
- unsigned long time_out = 500 + len * 8;
+ unsigned long time_out = 5000;
unsigned long written = 0;
int ret;
@@ -300,7 +300,7 @@
}
int usb_read(usb_handle *handle, void* data, int len) {
- unsigned long time_out = 500 + len * 8;
+ unsigned long time_out = 0;
unsigned long read = 0;
int ret;
@@ -322,7 +322,7 @@
if (len == 0)
return 0;
- } else if (saved_errno != ERROR_SEM_TIMEOUT) {
+ } else {
// assume ERROR_INVALID_HANDLE indicates we are disconnected
if (saved_errno == ERROR_INVALID_HANDLE)
usb_kick(handle);
diff --git a/cpio/mkbootfs.c b/cpio/mkbootfs.c
index f672336..323a09d 100644
--- a/cpio/mkbootfs.c
+++ b/cpio/mkbootfs.c
@@ -3,6 +3,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
+#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -34,12 +35,51 @@
exit(1);
}
+struct fs_config_entry {
+ char* name;
+ int uid, gid, mode;
+};
+
+static struct fs_config_entry* canned_config = NULL;
+
+/* Each line in the canned file should be a path plus three ints (uid,
+ * gid, mode). */
+#ifdef PATH_MAX
+#define CANNED_LINE_LENGTH (PATH_MAX+100)
+#else
+#define CANNED_LINE_LENGTH (1024)
+#endif
+
static int verbose = 0;
static int total_size = 0;
static void fix_stat(const char *path, struct stat *s)
{
- fs_config(path, S_ISDIR(s->st_mode), &s->st_uid, &s->st_gid, &s->st_mode);
+ if (canned_config) {
+ // Use the list of file uid/gid/modes loaded from the file
+ // given with -f.
+
+ struct fs_config_entry* empty_path_config = NULL;
+ struct fs_config_entry* p;
+ for (p = canned_config; p->name; ++p) {
+ if (!p->name[0]) {
+ empty_path_config = p;
+ }
+ if (strcmp(p->name, path) == 0) {
+ s->st_uid = p->uid;
+ s->st_gid = p->gid;
+ s->st_mode = p->mode | (s->st_mode & ~07777);
+ return;
+ }
+ }
+ s->st_uid = empty_path_config->uid;
+ s->st_gid = empty_path_config->gid;
+ s->st_mode = empty_path_config->mode | (s->st_mode & ~07777);
+ } else {
+ // Use the compiled-in fs_config() function.
+
+ fs_config(path, S_ISDIR(s->st_mode), &s->st_uid, &s->st_gid, &s->st_mode);
+ }
}
static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)
@@ -79,7 +119,7 @@
total_size += 6 + 8*13 + olen + 1;
- if(strlen(out) != olen) die("ACK!");
+ if(strlen(out) != (unsigned int)olen) die("ACK!");
while(total_size & 3) {
total_size++;
@@ -235,11 +275,61 @@
_archive_dir(in, out, strlen(in), strlen(out));
}
+static void read_canned_config(char* filename)
+{
+ int allocated = 8;
+ int used = 0;
+
+ canned_config =
+ (struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry));
+
+ char line[CANNED_LINE_LENGTH];
+ FILE* f = fopen(filename, "r");
+ if (f == NULL) die("failed to open canned file");
+
+ while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) {
+ if (!line[0]) break;
+ if (used >= allocated) {
+ allocated *= 2;
+ canned_config = (struct fs_config_entry*)realloc(
+ canned_config, allocated * sizeof(struct fs_config_entry));
+ }
+
+ struct fs_config_entry* cc = canned_config + used;
+
+ if (isspace(line[0])) {
+ cc->name = strdup("");
+ cc->uid = atoi(strtok(line, " \n"));
+ } else {
+ cc->name = strdup(strtok(line, " \n"));
+ cc->uid = atoi(strtok(NULL, " \n"));
+ }
+ cc->gid = atoi(strtok(NULL, " \n"));
+ cc->mode = strtol(strtok(NULL, " \n"), NULL, 8);
+ ++used;
+ }
+ if (used >= allocated) {
+ ++allocated;
+ canned_config = (struct fs_config_entry*)realloc(
+ canned_config, allocated * sizeof(struct fs_config_entry));
+ }
+ canned_config[used].name = NULL;
+
+ fclose(f);
+}
+
+
int main(int argc, char *argv[])
{
argc--;
argv++;
+ if (argc > 1 && strcmp(argv[0], "-f") == 0) {
+ read_canned_config(argv[1]);
+ argc -= 2;
+ argv += 2;
+ }
+
if(argc == 0) die("no directories to process?!");
while(argc-- > 0){
diff --git a/debuggerd/utility.c b/debuggerd/utility.c
index 2ccf947..8eb52ba 100644
--- a/debuggerd/utility.c
+++ b/debuggerd/utility.c
@@ -267,13 +267,11 @@
* Search for a match, or for a hole where the match would be. The list
* is backward from the file content, so it starts at high addresses.
*/
- bool found = false;
map_info_t* map = context->map_info_list;
map_info_t *next = NULL;
map_info_t *prev = NULL;
while (map != NULL) {
if (addr >= map->start && addr < map->end) {
- found = true;
next = map->next;
break;
} else if (addr >= map->end) {
diff --git a/fastboot/engine.c b/fastboot/engine.c
index a1b6539..f5215cf 100644
--- a/fastboot/engine.c
+++ b/fastboot/engine.c
@@ -255,6 +255,7 @@
#else
fd = fileno(tmpfile());
#endif
+ /* reset ext4fs info so we can be called multiple times */
reset_ext4fs_info();
info.len = image->partition_size;
make_ext4fs_internal(fd, NULL, NULL, NULL, 0, 1, 0, 0, 0, NULL);
@@ -266,7 +267,7 @@
close(fd);
}
-int fb_format(Action *a, usb_handle *usb)
+int fb_format(Action *a, usb_handle *usb, int skip_if_not_supported)
{
const char *partition = a->cmd;
char response[FB_RESPONSE_SZ+1];
@@ -281,6 +282,13 @@
snprintf(cmd, sizeof(cmd), "getvar:partition-type:%s", partition);
status = fb_command_response(usb, cmd, response);
if (status) {
+ if (skip_if_not_supported) {
+ fprintf(stderr,
+ "Erase successful, but not automatically formatting.\n");
+ fprintf(stderr,
+ "Can't determine partition type.\n");
+ return 0;
+ }
fprintf(stderr,"FAILED (%s)\n", fb_get_error());
return status;
}
@@ -292,6 +300,13 @@
}
}
if (!generator) {
+ if (skip_if_not_supported) {
+ fprintf(stderr,
+ "Erase successful, but not automatically formatting.\n");
+ fprintf(stderr,
+ "File system type %s not supported.\n", response);
+ return 0;
+ }
fprintf(stderr,"Formatting is not supported for filesystem with type '%s'.\n",
response);
return -1;
@@ -301,6 +316,12 @@
snprintf(cmd, sizeof(cmd), "getvar:partition-size:%s", partition);
status = fb_command_response(usb, cmd, response);
if (status) {
+ if (skip_if_not_supported) {
+ fprintf(stderr,
+ "Erase successful, but not automatically formatting.\n");
+ fprintf(stderr, "Unable to get partition size\n.");
+ return 0;
+ }
fprintf(stderr,"FAILED (%s)\n", fb_get_error());
return status;
}
@@ -329,11 +350,12 @@
return status;
}
-void fb_queue_format(const char *partition)
+void fb_queue_format(const char *partition, int skip_if_not_supported)
{
Action *a;
a = queue_action(OP_FORMAT, partition);
+ a->data = (void*)skip_if_not_supported;
a->msg = mkmsg("formatting '%s' partition", partition);
}
@@ -547,7 +569,7 @@
} else if (a->op == OP_NOTICE) {
fprintf(stderr,"%s\n",(char*)a->data);
} else if (a->op == OP_FORMAT) {
- status = fb_format(a, usb);
+ status = fb_format(a, usb, (int)a->data);
status = a->func(a, status, status ? fb_get_error() : "");
if (status) break;
} else {
diff --git a/fastboot/fastboot.c b/fastboot/fastboot.c
index b96d93b..c44f937 100644
--- a/fastboot/fastboot.c
+++ b/fastboot/fastboot.c
@@ -185,15 +185,13 @@
if (!serial[0]) {
serial = "????????????";
}
+ // output compatible with "adb devices"
if (!long_listing) {
- // output compatible with "adb devices"
printf("%s\tfastboot\n", serial);
+ } else if (!info->device_path) {
+ printf("%-22s fastboot\n", serial);
} else {
- char* device_path = info->device_path;
- if (!device_path[0]) {
- device_path = "????????????";
- }
- printf("%s\t%s\tfastboot\n", serial, device_path);
+ printf("%-22s fastboot %s\n", serial, info->device_path);
}
}
@@ -654,7 +652,7 @@
skip(2);
} else if(!strcmp(*argv, "format")) {
require(2);
- fb_queue_format(argv[1]);
+ fb_queue_format(argv[1], 0);
skip(2);
} else if(!strcmp(*argv, "signature")) {
require(2);
@@ -744,7 +742,9 @@
if (wants_wipe) {
fb_queue_erase("userdata");
+ fb_queue_format("userdata", 1);
fb_queue_erase("cache");
+ fb_queue_format("cache", 1);
}
if (wants_reboot) {
fb_queue_reboot();
diff --git a/fastboot/fastboot.h b/fastboot/fastboot.h
index c249a8f..90d8a6a 100644
--- a/fastboot/fastboot.h
+++ b/fastboot/fastboot.h
@@ -43,7 +43,7 @@
/* engine.c - high level command queue engine */
void fb_queue_flash(const char *ptn, void *data, unsigned sz);;
void fb_queue_erase(const char *ptn);
-void fb_queue_format(const char *ptn);
+void fb_queue_format(const char *ptn, int skip_if_not_supported);
void fb_queue_require(const char *prod, const char *var, int invert,
unsigned nvalues, const char **value);
void fb_queue_display(const char *var, const char *prettyname);
diff --git a/include/arch/darwin-x86/AndroidConfig.h b/include/arch/darwin-x86/AndroidConfig.h
index 48f8d9a..9da01c5 100644
--- a/include/arch/darwin-x86/AndroidConfig.h
+++ b/include/arch/darwin-x86/AndroidConfig.h
@@ -175,7 +175,7 @@
* with a memory address. If not defined, stack crawls will not have symbolic
* information.
*/
-#define HAVE_DLADDR 0
+#define HAVE_DLADDR 1
/*
* Defined if we have the cxxabi.h header for demangling C++ symbols. If
diff --git a/include/corkscrew/map_info.h b/include/corkscrew/map_info.h
index c5cd8f8..ea1d35f 100644
--- a/include/corkscrew/map_info.h
+++ b/include/corkscrew/map_info.h
@@ -21,6 +21,7 @@
#include <sys/types.h>
#include <stdbool.h>
+#include <stdint.h>
#ifdef __cplusplus
extern "C" {
diff --git a/include/corkscrew/ptrace.h b/include/corkscrew/ptrace.h
index 172e348..0040c22 100644
--- a/include/corkscrew/ptrace.h
+++ b/include/corkscrew/ptrace.h
@@ -24,6 +24,7 @@
#include <sys/types.h>
#include <stdbool.h>
+#include <stdint.h>
#ifdef __cplusplus
extern "C" {
diff --git a/include/corkscrew/symbol_table.h b/include/corkscrew/symbol_table.h
index 020c8b8..4998750 100644
--- a/include/corkscrew/symbol_table.h
+++ b/include/corkscrew/symbol_table.h
@@ -17,6 +17,7 @@
#ifndef _CORKSCREW_SYMBOL_TABLE_H
#define _CORKSCREW_SYMBOL_TABLE_H
+#include <stdint.h>
#include <sys/types.h>
#ifdef __cplusplus
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 68928eb..6521cbe 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -138,7 +138,7 @@
#define android_id_count \
(sizeof(android_ids) / sizeof(android_ids[0]))
-
+
struct fs_path_config {
unsigned mode;
unsigned uid;
@@ -234,7 +234,7 @@
{
struct fs_path_config *pc;
int plen;
-
+
pc = dir ? android_dirs : android_files;
plen = strlen(path);
for(; pc->prefix; pc++){
@@ -254,9 +254,9 @@
*uid = pc->uid;
*gid = pc->gid;
*mode = (*mode & (~07777)) | pc->mode;
-
+
#if 0
- fprintf(stderr,"< '%s' '%s' %d %d %o >\n",
+ fprintf(stderr,"< '%s' '%s' %d %d %o >\n",
path, pc->prefix ? pc->prefix : "", *uid, *gid, *mode);
#endif
}
diff --git a/include/system/audio_policy.h b/include/system/audio_policy.h
index 57f7110..91b8e9c 100644
--- a/include/system/audio_policy.h
+++ b/include/system/audio_policy.h
@@ -42,6 +42,7 @@
AUDIO_POLICY_FORCE_BT_DESK_DOCK,
AUDIO_POLICY_FORCE_ANALOG_DOCK,
AUDIO_POLICY_FORCE_DIGITAL_DOCK,
+ AUDIO_POLICY_FORCE_NO_BT_A2DP, /* A2DP sink is not preferred to speaker or wired HS */
AUDIO_POLICY_FORCE_CFG_CNT,
AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1,
diff --git a/include/system/camera.h b/include/system/camera.h
index b8389b1..e4cacc5 100644
--- a/include/system/camera.h
+++ b/include/system/camera.h
@@ -137,7 +137,8 @@
* KEY_FOCUS_AREAS and KEY_METERING_AREAS have no effect.
*
* arg1 is the face detection type. It can be CAMERA_FACE_DETECTION_HW or
- * CAMERA_FACE_DETECTION_SW.
+ * CAMERA_FACE_DETECTION_SW. If the type of face detection requested is not
+ * supported, the HAL must return BAD_VALUE.
*/
CAMERA_CMD_START_FACE_DETECTION = 6,
diff --git a/include/system/window.h b/include/system/window.h
index 1a036df..8e00bcd 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -248,7 +248,7 @@
NATIVE_WINDOW_API_CONNECT = 13, /* private */
NATIVE_WINDOW_API_DISCONNECT = 14, /* private */
NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */
- NATIVE_WINDOW_SET_ACTIVE_RECT = 16, /* private */
+ NATIVE_WINDOW_SET_POST_TRANSFORM_CROP = 16, /* private */
};
/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -298,6 +298,11 @@
* of the buffer matches the window size (cropping in the process)
*/
NATIVE_WINDOW_SCALING_MODE_SCALE_CROP = 2,
+ /* the window is clipped to the size of the buffer's crop rectangle; pixels
+ * outside the crop rectangle are treated as if they are completely
+ * transparent.
+ */
+ NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP = 3,
};
/* values returned by the NATIVE_WINDOW_CONCRETE_TYPE query */
@@ -440,7 +445,7 @@
* NATIVE_WINDOW_API_CONNECT (private)
* NATIVE_WINDOW_API_DISCONNECT (private)
* NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS (private)
- * NATIVE_WINDOW_SET_ACTIVE_RECT (private)
+ * NATIVE_WINDOW_SET_POST_TRANSFORM_CROP (private)
*
*/
@@ -504,14 +509,16 @@
/*
* native_window_set_crop(..., crop)
* Sets which region of the next queued buffers needs to be considered.
- * A buffer's crop region is scaled to match the surface's size.
+ * Depending on the scaling mode, a buffer's crop region is scaled and/or
+ * cropped to match the surface's size. This function sets the crop in
+ * pre-transformed buffer pixel coordinates.
*
* The specified crop region applies to all buffers queued after it is called.
*
- * if 'crop' is NULL, subsequently queued buffers won't be cropped.
+ * If 'crop' is NULL, subsequently queued buffers won't be cropped.
*
- * An error is returned if for instance the crop region is invalid,
- * out of the buffer's bound or if the window is invalid.
+ * An error is returned if for instance the crop region is invalid, out of the
+ * buffer's bound or if the window is invalid.
*/
static inline int native_window_set_crop(
struct ANativeWindow* window,
@@ -521,23 +528,38 @@
}
/*
+ * native_window_set_post_transform_crop(..., crop)
+ * Sets which region of the next queued buffers needs to be considered.
+ * Depending on the scaling mode, a buffer's crop region is scaled and/or
+ * cropped to match the surface's size. This function sets the crop in
+ * post-transformed pixel coordinates.
+ *
+ * The specified crop region applies to all buffers queued after it is called.
+ *
+ * If 'crop' is NULL, subsequently queued buffers won't be cropped.
+ *
+ * An error is returned if for instance the crop region is invalid, out of the
+ * buffer's bound or if the window is invalid.
+ */
+static inline int native_window_set_post_transform_crop(
+ struct ANativeWindow* window,
+ android_native_rect_t const * crop)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_POST_TRANSFORM_CROP, crop);
+}
+
+/*
* native_window_set_active_rect(..., active_rect)
- * Sets the region of future queued buffers that are 'active'. Pixels outside
- * this 'active' region are considered to be completely transparent regardless
- * of the pixel values in the buffer. The active_rect argument specifies the
- * active rectangle in buffer pixel coordinates.
*
- * The specified active rectangle applies to all buffers queued after it is
- * called.
- *
- * An error is returned if for instance the crop region is invalid,
- * out of the buffer's bound or if the window is invalid.
+ * This function is deprectated and will be removed soon. For now it simply
+ * sets the post-transform crop for compatibility while multi-project commits
+ * get checked.
*/
static inline int native_window_set_active_rect(
struct ANativeWindow* window,
android_native_rect_t const * active_rect)
{
- return window->perform(window, NATIVE_WINDOW_SET_ACTIVE_RECT, active_rect);
+ return native_window_set_post_transform_crop(window, active_rect);
}
/*
diff --git a/libcorkscrew/Android.mk b/libcorkscrew/Android.mk
index 433f93c..9019986 100644
--- a/libcorkscrew/Android.mk
+++ b/libcorkscrew/Android.mk
@@ -14,9 +14,7 @@
LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
+generic_src_files := \
backtrace.c \
backtrace-helper.c \
demangle.c \
@@ -24,16 +22,24 @@
ptrace.c \
symbol_table.c
-ifeq ($(TARGET_ARCH),arm)
-LOCAL_SRC_FILES += \
+arm_src_files := \
arch-arm/backtrace-arm.c \
arch-arm/ptrace-arm.c
+
+x86_src_files := \
+ arch-x86/backtrace-x86.c \
+ arch-x86/ptrace-x86.c
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(generic_src_files)
+
+ifeq ($(TARGET_ARCH),arm)
+LOCAL_SRC_FILES += $(arm_src_files)
LOCAL_CFLAGS += -DCORKSCREW_HAVE_ARCH
endif
ifeq ($(TARGET_ARCH),x86)
-LOCAL_SRC_FILES += \
- arch-x86/backtrace-x86.c \
- arch-x86/ptrace-x86.c
+LOCAL_SRC_FILES += $(x86_src_files)
LOCAL_CFLAGS += -DCORKSCREW_HAVE_ARCH
endif
@@ -44,3 +50,38 @@
LOCAL_MODULE_TAGS := optional
include $(BUILD_SHARED_LIBRARY)
+
+# Build test.
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := test.c
+LOCAL_CFLAGS += -std=gnu99 -Werror -fno-inline-small-functions
+LOCAL_SHARED_LIBRARIES := libcorkscrew
+LOCAL_MODULE := libcorkscrew_test
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_EXECUTABLE)
+
+
+ifeq ($(HOST_OS)-$(HOST_ARCH),linux-x86)
+
+# Build libcorkscrew.
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES += $(generic_src_files) $(x86_src_files)
+LOCAL_CFLAGS += -DCORKSCREW_HAVE_ARCH
+LOCAL_SHARED_LIBRARIES += libgccdemangle
+LOCAL_STATIC_LIBRARIES += libcutils
+LOCAL_LDLIBS += -ldl -lrt
+LOCAL_CFLAGS += -std=gnu99 -Werror
+LOCAL_MODULE := libcorkscrew
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_HOST_SHARED_LIBRARY)
+
+# Build test.
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := test.c
+LOCAL_CFLAGS += -std=gnu99 -Werror -fno-inline-small-functions
+LOCAL_SHARED_LIBRARIES := libcorkscrew
+LOCAL_MODULE := libcorkscrew_test
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_HOST_EXECUTABLE)
+
+endif # linux-x86
diff --git a/libcorkscrew/arch-x86/backtrace-x86.c b/libcorkscrew/arch-x86/backtrace-x86.c
index 24fadcb..01d9ed5 100644
--- a/libcorkscrew/arch-x86/backtrace-x86.c
+++ b/libcorkscrew/arch-x86/backtrace-x86.c
@@ -31,40 +31,22 @@
#include <limits.h>
#include <errno.h>
#include <sys/ptrace.h>
-#include <sys/exec_elf.h>
#include <cutils/log.h>
-/* Machine context at the time a signal was raised. */
-typedef struct ucontext {
- uint32_t uc_flags;
- struct ucontext* uc_link;
- stack_t uc_stack;
- struct sigcontext {
- uint32_t gs;
- uint32_t fs;
- uint32_t es;
- uint32_t ds;
- uint32_t edi;
- uint32_t esi;
- uint32_t ebp;
- uint32_t esp;
- uint32_t ebx;
- uint32_t edx;
- uint32_t ecx;
- uint32_t eax;
- uint32_t trapno;
- uint32_t err;
- uint32_t eip;
- uint32_t cs;
- uint32_t efl;
- uint32_t uesp;
- uint32_t ss;
- void* fpregs;
- uint32_t oldmask;
- uint32_t cr2;
- } uc_mcontext;
- uint32_t uc_sigmask;
-} ucontext_t;
+#if defined(__BIONIC__)
+
+// Bionic offers the Linux kernel headers.
+#include <asm/sigcontext.h>
+#include <asm/ucontext.h>
+typedef struct ucontext ucontext_t;
+
+#else
+
+// glibc has its own renaming of the Linux kernel's structures.
+#define __USE_GNU // For REG_EBP, REG_ESP, and REG_EIP.
+#include <ucontext.h>
+
+#endif
/* Unwind state. */
typedef struct {
@@ -114,9 +96,15 @@
const ucontext_t* uc = (const ucontext_t*)sigcontext;
unwind_state_t state;
+#if defined(__BIONIC__)
state.ebp = uc->uc_mcontext.ebp;
- state.eip = uc->uc_mcontext.eip;
state.esp = uc->uc_mcontext.esp;
+ state.eip = uc->uc_mcontext.eip;
+#else
+ state.ebp = uc->uc_mcontext.gregs[REG_EBP];
+ state.esp = uc->uc_mcontext.gregs[REG_ESP];
+ state.eip = uc->uc_mcontext.gregs[REG_EIP];
+#endif
memory_t memory;
init_memory(&memory, map_info_list);
diff --git a/libcorkscrew/backtrace.c b/libcorkscrew/backtrace.c
index fa21574..eec53a2 100644
--- a/libcorkscrew/backtrace.c
+++ b/libcorkscrew/backtrace.c
@@ -27,16 +27,41 @@
#include <unistd.h>
#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
#include <pthread.h>
#include <unwind.h>
-#include <sys/exec_elf.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
+#include <elf.h>
#if HAVE_DLADDR
+#define __USE_GNU // For dladdr(3) in glibc.
#include <dlfcn.h>
#endif
+#if defined(__BIONIC__)
+
+// Bionic implements and exports gettid but only implements tgkill.
+extern int tgkill(int tgid, int tid, int sig);
+
+#else
+
+// glibc doesn't implement or export either gettid or tgkill.
+
+#include <unistd.h>
+#include <sys/syscall.h>
+
+static pid_t gettid() {
+ return syscall(__NR_gettid);
+}
+
+static int tgkill(int tgid, int tid, int sig) {
+ return syscall(__NR_tgkill, tgid, tid, sig);
+}
+
+#endif
+
typedef struct {
backtrace_frame_t* backtrace;
size_t ignore_depth;
@@ -115,8 +140,6 @@
}
#endif
-extern int tgkill(int tgid, int tid, int sig);
-
ssize_t unwind_backtrace_thread(pid_t tid, backtrace_frame_t* backtrace,
size_t ignore_depth, size_t max_depth) {
if (tid == gettid()) {
diff --git a/libcorkscrew/map_info.c b/libcorkscrew/map_info.c
index f33378f..3c52854 100644
--- a/libcorkscrew/map_info.c
+++ b/libcorkscrew/map_info.c
@@ -21,6 +21,7 @@
#include <ctype.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <pthread.h>
diff --git a/libcorkscrew/ptrace.c b/libcorkscrew/ptrace.c
index cbea8ca..6496d5e 100644
--- a/libcorkscrew/ptrace.c
+++ b/libcorkscrew/ptrace.c
@@ -21,6 +21,7 @@
#include <corkscrew/ptrace.h>
#include <errno.h>
+#include <stdlib.h>
#include <sys/ptrace.h>
#include <cutils/log.h>
diff --git a/libcorkscrew/symbol_table.c b/libcorkscrew/symbol_table.c
index 1b97180..29e4a79 100644
--- a/libcorkscrew/symbol_table.c
+++ b/libcorkscrew/symbol_table.c
@@ -19,14 +19,22 @@
#include <corkscrew/symbol_table.h>
+#include <stdbool.h>
#include <stdlib.h>
+#include <elf.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/mman.h>
-#include <sys/exec_elf.h>
#include <cutils/log.h>
+static bool is_elf(Elf32_Ehdr* e) {
+ return (e->e_ident[EI_MAG0] == ELFMAG0 &&
+ e->e_ident[EI_MAG1] == ELFMAG1 &&
+ e->e_ident[EI_MAG2] == ELFMAG2 &&
+ e->e_ident[EI_MAG3] == ELFMAG3);
+}
+
// Compare function for qsort
static int qcompar(const void *a, const void *b) {
const symbol_t* asym = (const symbol_t*)a;
@@ -67,7 +75,7 @@
// Parse the file header
Elf32_Ehdr *hdr = (Elf32_Ehdr*)base;
- if (!IS_ELF(*hdr)) {
+ if (!is_elf(hdr)) {
goto out_close;
}
Elf32_Shdr *shdr = (Elf32_Shdr*)(base + hdr->e_shoff);
diff --git a/libcorkscrew/test.c b/libcorkscrew/test.c
new file mode 100644
index 0000000..af34c03
--- /dev/null
+++ b/libcorkscrew/test.c
@@ -0,0 +1,64 @@
+#include <corkscrew/backtrace.h>
+#include <corkscrew/symbol_table.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void do_backtrace() {
+ const size_t MAX_DEPTH = 32;
+ backtrace_frame_t* frames = (backtrace_frame_t*) malloc(sizeof(backtrace_frame_t) * MAX_DEPTH);
+ ssize_t frame_count = unwind_backtrace(frames, 0, MAX_DEPTH);
+ fprintf(stderr, "frame_count=%d\n", (int) frame_count);
+
+ backtrace_symbol_t* backtrace_symbols = (backtrace_symbol_t*) malloc(sizeof(backtrace_symbol_t) * frame_count);
+ get_backtrace_symbols(frames, frame_count, backtrace_symbols);
+
+ for (size_t i = 0; i < (size_t) frame_count; ++i) {
+ char line[MAX_BACKTRACE_LINE_LENGTH];
+ format_backtrace_line(i, &frames[i], &backtrace_symbols[i],
+ line, MAX_BACKTRACE_LINE_LENGTH);
+ if (backtrace_symbols[i].symbol_name != NULL) {
+ // get_backtrace_symbols found the symbol's name with dladdr(3).
+ fprintf(stderr, " %s\n", line);
+ } else {
+ // We don't have a symbol. Maybe this is a static symbol, and
+ // we can look it up?
+ symbol_table_t* symbols = NULL;
+ if (backtrace_symbols[i].map_name != NULL) {
+ symbols = load_symbol_table(backtrace_symbols[i].map_name);
+ }
+ const symbol_t* symbol = NULL;
+ if (symbols != NULL) {
+ symbol = find_symbol(symbols, frames[i].absolute_pc);
+ }
+ if (symbol != NULL) {
+ uintptr_t offset = frames[i].absolute_pc - symbol->start;
+ fprintf(stderr, " %s (%s%+d)\n", line, symbol->name, offset);
+ } else {
+ fprintf(stderr, " %s (\?\?\?)\n", line);
+ }
+ free_symbol_table(symbols);
+ }
+ }
+
+ free_backtrace_symbols(backtrace_symbols, frame_count);
+ free(backtrace_symbols);
+ free(frames);
+}
+
+__attribute__ ((noinline)) void g() {
+ fprintf(stderr, "g()\n");
+ do_backtrace();
+}
+
+__attribute__ ((noinline)) int f(int i) {
+ fprintf(stderr, "f(%i)\n", i);
+ if (i == 0) {
+ g();
+ return 0;
+ }
+ return f(i - 1);
+}
+
+int main() {
+ return f(5);
+}
diff --git a/libcutils/qtaguid.c b/libcutils/qtaguid.c
index 1c57774..5bb8176 100644
--- a/libcutils/qtaguid.c
+++ b/libcutils/qtaguid.c
@@ -99,9 +99,7 @@
int qtaguid_tagSocket(int sockfd, int tag, uid_t uid) {
char lineBuf[CTRL_MAX_INPUT_LEN];
int res;
- /* Doing java-land a favor, enforcing "long" */
- uint64_t kTag = ((uint64_t)tag << 32) & ~(1LLU<<63);
-
+ uint64_t kTag = ((uint64_t)tag << 32);
pthread_once(&resTrackInitDone, qtaguid_resTrack);
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index 20771c0..d20d217 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -16,24 +16,31 @@
** limitations under the License.
*/
+#define LOG_TAG "SchedPolicy"
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
+#include <cutils/sched_policy.h>
+#include <cutils/log.h>
-#define LOG_TAG "SchedPolicy"
-#include "cutils/log.h"
+/* Re-map SP_DEFAULT to the system default policy, and leave other values unchanged.
+ * Call this any place a SchedPolicy is used as an input parameter.
+ * Returns the possibly re-mapped policy.
+ */
+static inline SchedPolicy _policy(SchedPolicy p)
+{
+ return p == SP_DEFAULT ? SP_SYSTEM_DEFAULT : p;
+}
-#ifdef HAVE_SCHED_H
-#ifdef HAVE_PTHREADS
+#if defined(HAVE_ANDROID_OS) && defined(HAVE_SCHED_H) && defined(HAVE_PTHREADS)
#include <sched.h>
#include <pthread.h>
-#include <cutils/sched_policy.h>
-
#ifndef SCHED_NORMAL
#define SCHED_NORMAL 0
#endif
@@ -56,8 +63,6 @@
#if CAN_SET_SP_SYSTEM
static int system_cgroup_fd = -1;
#endif
-static int audio_app_cgroup_fd = -1;
-static int audio_sys_cgroup_fd = -1;
/* Add tid to the scheduling group defined by the policy */
static int add_tid_to_cgroup(int tid, SchedPolicy policy)
@@ -69,6 +74,8 @@
fd = bg_cgroup_fd;
break;
case SP_FOREGROUND:
+ case SP_AUDIO_APP:
+ case SP_AUDIO_SYS:
fd = fg_cgroup_fd;
break;
#if CAN_SET_SP_SYSTEM
@@ -76,12 +83,6 @@
fd = system_cgroup_fd;
break;
#endif
- case SP_AUDIO_APP:
- fd = audio_app_cgroup_fd;
- break;
- case SP_AUDIO_SYS:
- fd = audio_sys_cgroup_fd;
- break;
default:
fd = -1;
break;
@@ -124,36 +125,23 @@
#if CAN_SET_SP_SYSTEM
filename = "/dev/cpuctl/tasks";
- system_cgroup_fd = open(filename, O_WRONLY);
+ system_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
if (system_cgroup_fd < 0) {
SLOGV("open of %s failed: %s\n", filename, strerror(errno));
}
#endif
- filename = "/dev/cpuctl/foreground/tasks";
- fg_cgroup_fd = open(filename, O_WRONLY);
+ filename = "/dev/cpuctl/apps/tasks";
+ fg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
if (fg_cgroup_fd < 0) {
SLOGE("open of %s failed: %s\n", filename, strerror(errno));
}
- filename = "/dev/cpuctl/bg_non_interactive/tasks";
- bg_cgroup_fd = open(filename, O_WRONLY);
+ filename = "/dev/cpuctl/apps/bg_non_interactive/tasks";
+ bg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);
if (bg_cgroup_fd < 0) {
SLOGE("open of %s failed: %s\n", filename, strerror(errno));
}
-
- filename = "/dev/cpuctl/audio_app/tasks";
- audio_app_cgroup_fd = open(filename, O_WRONLY);
- if (audio_app_cgroup_fd < 0) {
- SLOGV("open of %s failed: %s\n", filename, strerror(errno));
- }
-
- filename = "/dev/cpuctl/audio_sys/tasks";
- audio_sys_cgroup_fd = open(filename, O_WRONLY);
- if (audio_sys_cgroup_fd < 0) {
- SLOGV("open of %s failed: %s\n", filename, strerror(errno));
- }
-
} else {
__sys_supports_schedgroups = 0;
}
@@ -246,14 +234,10 @@
return -1;
if (grpBuf[0] == '\0') {
*policy = SP_SYSTEM;
- } else if (!strcmp(grpBuf, "bg_non_interactive")) {
+ } else if (!strcmp(grpBuf, "apps/bg_non_interactive")) {
*policy = SP_BACKGROUND;
- } else if (!strcmp(grpBuf, "foreground")) {
+ } else if (!strcmp(grpBuf, "apps")) {
*policy = SP_FOREGROUND;
- } else if (!strcmp(grpBuf, "audio_app")) {
- *policy = SP_AUDIO_APP;
- } else if (!strcmp(grpBuf, "audio_sys")) {
- *policy = SP_AUDIO_SYS;
} else {
errno = ERANGE;
return -1;
@@ -274,15 +258,6 @@
return 0;
}
-/* Re-map SP_DEFAULT to the system default policy, and leave other values unchanged.
- * Call this any place a SchedPolicy is used as an input parameter.
- * Returns the possibly re-mapped policy.
- */
-static inline SchedPolicy _policy(SchedPolicy p)
-{
- return p == SP_DEFAULT ? SP_SYSTEM_DEFAULT : p;
-}
-
int set_sched_policy(int tid, SchedPolicy policy)
{
#ifdef HAVE_GETTID
@@ -321,17 +296,13 @@
SLOGD("vvv tid %d (%s)", tid, thread_name);
break;
case SP_FOREGROUND:
+ case SP_AUDIO_APP:
+ case SP_AUDIO_SYS:
SLOGD("^^^ tid %d (%s)", tid, thread_name);
break;
case SP_SYSTEM:
SLOGD("/// tid %d (%s)", tid, thread_name);
break;
- case SP_AUDIO_APP:
- SLOGD("aaa tid %d (%s)", tid, thread_name);
- break;
- case SP_AUDIO_SYS:
- SLOGD("sss tid %d (%s)", tid, thread_name);
- break;
default:
SLOGD("??? tid %d (%s)", tid, thread_name);
break;
@@ -356,6 +327,23 @@
return 0;
}
+#else
+
+/* Stubs for non-Android targets. */
+
+int set_sched_policy(int tid, SchedPolicy policy)
+{
+ return 0;
+}
+
+int get_sched_policy(int tid, SchedPolicy *policy)
+{
+ *policy = SP_SYSTEM_DEFAULT;
+ return 0;
+}
+
+#endif
+
const char *get_sched_policy_name(SchedPolicy policy)
{
policy = _policy(policy);
@@ -372,5 +360,3 @@
return "error";
}
-#endif /* HAVE_PTHREADS */
-#endif /* HAVE_SCHED_H */
diff --git a/liblog/Android.mk b/liblog/Android.mk
index bd2590e..be5cec2 100644
--- a/liblog/Android.mk
+++ b/liblog/Android.mk
@@ -41,7 +41,7 @@
liblog_host_sources := $(liblog_sources) fake_log_device.c
-# Static library for host
+# Shared and static library for host
# ========================================================
LOCAL_MODULE := liblog
LOCAL_SRC_FILES := $(liblog_host_sources)
@@ -49,6 +49,11 @@
LOCAL_CFLAGS := -DFAKE_LOG_DEVICE=1
include $(BUILD_HOST_STATIC_LIBRARY)
+include $(CLEAR_VARS)
+LOCAL_MODULE := liblog
+LOCAL_WHOLE_STATIC_LIBRARIES := liblog
+include $(BUILD_HOST_SHARED_LIBRARY)
+
# Static library for host, 64-bit
# ========================================================
diff --git a/libnetutils/dhcp_utils.c b/libnetutils/dhcp_utils.c
index 398d9c4..903a1db 100644
--- a/libnetutils/dhcp_utils.c
+++ b/libnetutils/dhcp_utils.c
@@ -33,8 +33,28 @@
/* when polling for property values */
static const char DAEMON_NAME_RENEW[] = "iprenew";
static char errmsg[100];
-/* interface suffix on dhcpcd */
-#define MAX_DAEMON_SUFFIX 25
+/* interface length for dhcpcd daemon start (dhcpcd_<interface> as defined in init.rc file)
+ * or for filling up system properties dhcpcd.<interface>.ipaddress, dhcpcd.<interface>.dns1
+ * and other properties on a successful bind
+ */
+#define MAX_INTERFACE_LENGTH 25
+
+/*
+ * P2p interface names increase sequentially p2p-p2p0-1, p2p-p2p0-2.. after
+ * group formation. This does not work well with system properties which can quickly
+ * exhaust or for specifiying a dhcp start target in init which requires
+ * interface to be pre-defined in init.rc file.
+ *
+ * This function returns a common string p2p for all p2p interfaces.
+ */
+void get_p2p_interface_replacement(const char *interface, char *p2p_interface) {
+ /* Use p2p for any interface starting with p2p. */
+ if (strncmp(interface, "p2p",3) == 0) {
+ strncpy(p2p_interface, "p2p", MAX_INTERFACE_LENGTH);
+ } else {
+ strncpy(p2p_interface, interface, MAX_INTERFACE_LENGTH);
+ }
+}
/*
* Wait for a system property to be assigned a specified value.
@@ -75,14 +95,18 @@
{
char prop_name[PROPERTY_KEY_MAX];
char prop_value[PROPERTY_VALUE_MAX];
+ /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
+ char p2p_interface[MAX_INTERFACE_LENGTH];
- snprintf(prop_name, sizeof(prop_name), "%s.%s.ipaddress", DHCP_PROP_NAME_PREFIX, interface);
+ get_p2p_interface_replacement(interface, p2p_interface);
+
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.ipaddress", DHCP_PROP_NAME_PREFIX, p2p_interface);
property_get(prop_name, ipaddr, NULL);
- snprintf(prop_name, sizeof(prop_name), "%s.%s.gateway", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.gateway", DHCP_PROP_NAME_PREFIX, p2p_interface);
property_get(prop_name, gateway, NULL);
- snprintf(prop_name, sizeof(prop_name), "%s.%s.server", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.server", DHCP_PROP_NAME_PREFIX, p2p_interface);
property_get(prop_name, server, NULL);
//TODO: Handle IPv6 when we change system property usage
@@ -91,7 +115,7 @@
strncpy(gateway, server, PROPERTY_VALUE_MAX);
}
- snprintf(prop_name, sizeof(prop_name), "%s.%s.mask", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.mask", DHCP_PROP_NAME_PREFIX, p2p_interface);
if (property_get(prop_name, prop_value, NULL)) {
int p;
// this conversion is v4 only, but this dhcp client is v4 only anyway
@@ -113,18 +137,19 @@
}
*prefixLength = p;
}
- snprintf(prop_name, sizeof(prop_name), "%s.%s.dns1", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.dns1", DHCP_PROP_NAME_PREFIX, p2p_interface);
property_get(prop_name, dns1, NULL);
- snprintf(prop_name, sizeof(prop_name), "%s.%s.dns2", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.dns2", DHCP_PROP_NAME_PREFIX, p2p_interface);
property_get(prop_name, dns2, NULL);
- snprintf(prop_name, sizeof(prop_name), "%s.%s.leasetime", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.leasetime", DHCP_PROP_NAME_PREFIX, p2p_interface);
if (property_get(prop_name, prop_value, NULL)) {
*lease = atol(prop_value);
}
- snprintf(prop_name, sizeof(prop_name), "%s.%s.vendorInfo", DHCP_PROP_NAME_PREFIX, interface);
+ snprintf(prop_name, sizeof(prop_name), "%s.%s.vendorInfo", DHCP_PROP_NAME_PREFIX,
+ p2p_interface);
property_get(prop_name, vendorInfo, NULL);
return 0;
@@ -138,15 +163,6 @@
return inet_ntoa(in_addr);
}
-void get_daemon_suffix(const char *interface, char *daemon_suffix) {
- /* Use p2p suffix for any p2p interface. */
- if (strncmp(interface, "p2p",3) == 0) {
- sprintf(daemon_suffix, "p2p");
- } else {
- snprintf(daemon_suffix, MAX_DAEMON_SUFFIX, "%s", interface);
- }
-}
-
/*
* Start the dhcp client daemon, and wait for it to finish
* configuring the interface.
@@ -172,27 +188,28 @@
char daemon_cmd[PROPERTY_VALUE_MAX * 2];
const char *ctrl_prop = "ctl.start";
const char *desired_status = "running";
- char daemon_suffix[MAX_DAEMON_SUFFIX];
+ /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
+ char p2p_interface[MAX_INTERFACE_LENGTH];
- get_daemon_suffix(interface, daemon_suffix);
+ get_p2p_interface_replacement(interface, p2p_interface);
snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
DHCP_PROP_NAME_PREFIX,
- interface);
+ p2p_interface);
snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
DAEMON_PROP_NAME,
- daemon_suffix);
+ p2p_interface);
/* Erase any previous setting of the dhcp result property */
property_set(result_prop_name, "");
/* Start the daemon and wait until it's ready */
if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0'))
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-h %s %s", DAEMON_NAME, daemon_suffix,
+ snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-h %s %s", DAEMON_NAME, p2p_interface,
prop_value, interface);
else
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME, daemon_suffix, interface);
+ snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME, p2p_interface, interface);
memset(prop_value, '\0', PROPERTY_VALUE_MAX);
property_set(ctrl_prop, daemon_cmd);
if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
@@ -242,19 +259,19 @@
const char *ctrl_prop = "ctl.stop";
const char *desired_status = "stopped";
- char daemon_suffix[MAX_DAEMON_SUFFIX];
+ char p2p_interface[MAX_INTERFACE_LENGTH];
- get_daemon_suffix(interface, daemon_suffix);
+ get_p2p_interface_replacement(interface, p2p_interface);
snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
DHCP_PROP_NAME_PREFIX,
- interface);
+ p2p_interface);
snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
DAEMON_PROP_NAME,
- daemon_suffix);
+ p2p_interface);
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, daemon_suffix);
+ snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);
/* Stop the daemon and wait until it's reported to be stopped */
property_set(ctrl_prop, daemon_cmd);
@@ -275,15 +292,15 @@
const char *ctrl_prop = "ctl.stop";
const char *desired_status = "stopped";
- char daemon_suffix[MAX_DAEMON_SUFFIX];
+ char p2p_interface[MAX_INTERFACE_LENGTH];
- get_daemon_suffix(interface, daemon_suffix);
+ get_p2p_interface_replacement(interface, p2p_interface);
snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
DAEMON_PROP_NAME,
- daemon_suffix);
+ p2p_interface);
- snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, daemon_suffix);
+ snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);
/* Stop the daemon and wait until it's reported to be stopped */
property_set(ctrl_prop, daemon_cmd);
@@ -305,12 +322,12 @@
*
*/
int dhcp_do_request_renew(const char *interface,
- in_addr_t *ipaddr,
- in_addr_t *gateway,
+ char *ipaddr,
+ char *gateway,
uint32_t *prefixLength,
- in_addr_t *dns1,
- in_addr_t *dns2,
- in_addr_t *server,
+ char *dns1,
+ char *dns2,
+ char *server,
uint32_t *lease,
char *vendorInfo)
{
@@ -319,20 +336,20 @@
char daemon_cmd[PROPERTY_VALUE_MAX * 2];
const char *ctrl_prop = "ctl.start";
- char daemon_suffix[MAX_DAEMON_SUFFIX];
+ char p2p_interface[MAX_INTERFACE_LENGTH];
- get_daemon_suffix(interface, daemon_suffix);
+ get_p2p_interface_replacement(interface, p2p_interface);
snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
DHCP_PROP_NAME_PREFIX,
- interface);
+ p2p_interface);
/* Erase any previous setting of the dhcp result property */
property_set(result_prop_name, "");
/* Start the renew daemon and wait until it's ready */
snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW,
- daemon_suffix, interface);
+ p2p_interface, interface);
memset(prop_value, '\0', PROPERTY_VALUE_MAX);
property_set(ctrl_prop, daemon_cmd);
diff --git a/libsuspend/Android.mk b/libsuspend/Android.mk
new file mode 100644
index 0000000..45cb701
--- /dev/null
+++ b/libsuspend/Android.mk
@@ -0,0 +1,23 @@
+# Copyright 2012 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+
+libsuspend_src_files := \
+ autosuspend.c \
+ autosuspend_autosleep.c \
+ autosuspend_earlysuspend.c \
+ autosuspend_wakeup_count.c \
+
+libsuspend_libraries := \
+ liblog libcutils
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(libsuspend_src_files)
+LOCAL_MODULE := libsuspend
+LOCAL_MODULE_TAGS := optional
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/include
+LOCAL_SHARED_LIBRARIES := $(libsuspend_libraries)
+#LOCAL_CFLAGS += -DLOG_NDEBUG=0
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libsuspend/autosuspend.c b/libsuspend/autosuspend.c
new file mode 100644
index 0000000..7d1d973
--- /dev/null
+++ b/libsuspend/autosuspend.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdbool.h>
+
+#define LOG_TAG "libsuspend"
+#include <cutils/log.h>
+
+#include <suspend/autosuspend.h>
+
+#include "autosuspend_ops.h"
+
+static struct autosuspend_ops *autosuspend_ops;
+static bool autosuspend_enabled;
+static bool autosuspend_inited;
+
+static int autosuspend_init(void)
+{
+ if (autosuspend_inited) {
+ return 0;
+ }
+
+ autosuspend_inited = true;
+
+ autosuspend_ops = autosuspend_earlysuspend_init();
+ if (autosuspend_ops) {
+ goto out;
+ }
+
+ autosuspend_ops = autosuspend_autosleep_init();
+ if (autosuspend_ops) {
+ goto out;
+ }
+
+ autosuspend_ops = autosuspend_wakeup_count_init();
+ if (autosuspend_ops) {
+ goto out;
+ }
+
+ if (!autosuspend_ops) {
+ ALOGE("failed to initialize autosuspend\n");
+ return -1;
+ }
+
+out:
+ ALOGV("autosuspend initialized\n");
+ return 0;
+}
+
+int autosuspend_enable(void)
+{
+ int ret;
+
+ ret = autosuspend_init();
+ if (ret) {
+ return ret;
+ }
+
+ ALOGV("autosuspend_enable\n");
+
+ if (autosuspend_enabled) {
+ return 0;
+ }
+
+ ret = autosuspend_ops->enable();
+ if (ret) {
+ return ret;
+ }
+
+ autosuspend_enabled = true;
+ return 0;
+}
+
+int autosuspend_disable(void)
+{
+ int ret;
+
+ ret = autosuspend_init();
+ if (ret) {
+ return ret;
+ }
+
+ ALOGV("autosuspend_disable\n");
+
+ if (!autosuspend_enabled) {
+ return 0;
+ }
+
+ ret = autosuspend_ops->disable();
+ if (ret) {
+ return ret;
+ }
+
+ autosuspend_enabled = false;
+ return 0;
+}
diff --git a/libsuspend/autosuspend_autosleep.c b/libsuspend/autosuspend_autosleep.c
new file mode 100644
index 0000000..dd0dfef
--- /dev/null
+++ b/libsuspend/autosuspend_autosleep.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#define LOG_TAG "libsuspend"
+#include <cutils/log.h>
+
+#include "autosuspend_ops.h"
+
+#define SYS_POWER_AUTOSLEEP "/sys/power/autosleep"
+
+static int autosleep_fd;
+static const char *sleep_state = "mem";
+static const char *on_state = "off";
+
+static int autosuspend_autosleep_enable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_autosleep_enable\n");
+
+ ret = write(autosleep_fd, sleep_state, strlen(sleep_state));
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", SYS_POWER_AUTOSLEEP, buf);
+ goto err;
+ }
+
+ ALOGV("autosuspend_autosleep_enable done\n");
+
+ return 0;
+
+err:
+ return ret;
+}
+
+static int autosuspend_autosleep_disable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_autosleep_disable\n");
+
+ ret = write(autosleep_fd, on_state, strlen(on_state));
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", SYS_POWER_AUTOSLEEP, buf);
+ goto err;
+ }
+
+ ALOGV("autosuspend_autosleep_disable done\n");
+
+ return 0;
+
+err:
+ return ret;
+}
+
+struct autosuspend_ops autosuspend_autosleep_ops = {
+ .enable = autosuspend_autosleep_enable,
+ .disable = autosuspend_autosleep_disable,
+};
+
+struct autosuspend_ops *autosuspend_autosleep_init(void)
+{
+ int ret;
+ char buf[80];
+
+ autosleep_fd = open(SYS_POWER_AUTOSLEEP, O_WRONLY);
+ if (autosleep_fd < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error opening %s: %s\n", SYS_POWER_AUTOSLEEP, buf);
+ return NULL;
+ }
+
+ ALOGI("Selected autosleep\n");
+ return &autosuspend_autosleep_ops;
+}
diff --git a/libsuspend/autosuspend_earlysuspend.c b/libsuspend/autosuspend_earlysuspend.c
new file mode 100644
index 0000000..2c2aa36
--- /dev/null
+++ b/libsuspend/autosuspend_earlysuspend.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#define LOG_TAG "libsuspend"
+#include <cutils/log.h>
+
+#include "autosuspend_ops.h"
+
+#define EARLYSUSPEND_SYS_POWER_STATE "/sys/power/state"
+#define EARLYSUSPEND_WAIT_FOR_FB_SLEEP "/sys/power/wait_for_fb_sleep"
+#define EARLYSUSPEND_WAIT_FOR_FB_WAKE "/sys/power/wait_for_fb_wake"
+
+
+static int sPowerStatefd;
+static const char *pwr_state_mem = "mem";
+static const char *pwr_state_on = "on";
+
+static int autosuspend_earlysuspend_enable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_earlysuspend_enable\n");
+
+ ret = write(sPowerStatefd, pwr_state_mem, strlen(pwr_state_mem));
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", EARLYSUSPEND_SYS_POWER_STATE, buf);
+ goto err;
+ }
+
+ ALOGV("autosuspend_earlysuspend_enable done\n");
+
+ return 0;
+
+err:
+ return ret;
+}
+
+static int autosuspend_earlysuspend_disable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_earlysuspend_disable\n");
+
+ ret = write(sPowerStatefd, pwr_state_on, strlen(pwr_state_on));
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", EARLYSUSPEND_SYS_POWER_STATE, buf);
+ goto err;
+ }
+
+ ALOGV("autosuspend_earlysuspend_disable done\n");
+
+ return 0;
+
+err:
+ return ret;
+}
+
+struct autosuspend_ops autosuspend_earlysuspend_ops = {
+ .enable = autosuspend_earlysuspend_enable,
+ .disable = autosuspend_earlysuspend_disable,
+};
+
+struct autosuspend_ops *autosuspend_earlysuspend_init(void)
+{
+ char buf[80];
+ int ret;
+
+ ret = access(EARLYSUSPEND_WAIT_FOR_FB_SLEEP, F_OK);
+ if (ret < 0) {
+ return NULL;
+ }
+
+ ret = access(EARLYSUSPEND_WAIT_FOR_FB_WAKE, F_OK);
+ if (ret < 0) {
+ return NULL;
+ }
+
+ sPowerStatefd = open(EARLYSUSPEND_SYS_POWER_STATE, O_RDWR);
+
+ if (sPowerStatefd < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error opening %s: %s\n", EARLYSUSPEND_SYS_POWER_STATE, buf);
+ return NULL;
+ }
+
+ ALOGI("Selected early suspend\n");
+ return &autosuspend_earlysuspend_ops;
+}
diff --git a/libsuspend/autosuspend_ops.h b/libsuspend/autosuspend_ops.h
new file mode 100644
index 0000000..698e25b
--- /dev/null
+++ b/libsuspend/autosuspend_ops.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBSUSPEND_AUTOSUSPEND_OPS_H_
+#define _LIBSUSPEND_AUTOSUSPEND_OPS_H_
+
+struct autosuspend_ops {
+ int (*enable)(void);
+ int (*disable)(void);
+};
+
+struct autosuspend_ops *autosuspend_autosleep_init(void);
+struct autosuspend_ops *autosuspend_earlysuspend_init(void);
+struct autosuspend_ops *autosuspend_wakeup_count_init(void);
+
+#endif
diff --git a/libsuspend/autosuspend_wakeup_count.c b/libsuspend/autosuspend_wakeup_count.c
new file mode 100644
index 0000000..b038e20
--- /dev/null
+++ b/libsuspend/autosuspend_wakeup_count.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#define LOG_TAG "libsuspend"
+#include <cutils/log.h>
+
+#include "autosuspend_ops.h"
+
+#define SYS_POWER_STATE "/sys/power/state"
+#define SYS_POWER_WAKEUP_COUNT "/sys/power/wakeup_count"
+
+static int state_fd;
+static int wakeup_count_fd;
+static pthread_t suspend_thread;
+static sem_t suspend_lockout;
+static const char *sleep_state = "mem";
+
+static void *suspend_thread_func(void *arg)
+{
+ char buf[80];
+ char wakeup_count[20];
+ int wakeup_count_len;
+ int ret;
+
+ while (1) {
+ usleep(100000);
+ ALOGV("%s: read wakeup_count\n", __func__);
+ lseek(wakeup_count_fd, 0, SEEK_SET);
+ wakeup_count_len = read(wakeup_count_fd, wakeup_count, sizeof(wakeup_count));
+ if (wakeup_count_len < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error reading from %s: %s\n", SYS_POWER_WAKEUP_COUNT, buf);
+ wakeup_count_len = 0;
+ continue;
+ }
+ if (!wakeup_count_len) {
+ ALOGE("Empty wakeup count\n");
+ continue;
+ }
+
+ ALOGV("%s: wait\n", __func__);
+ ret = sem_wait(&suspend_lockout);
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error waiting on semaphore: %s\n", buf);
+ continue;
+ }
+
+ ALOGV("%s: write %*s to wakeup_count\n", __func__, wakeup_count_len, wakeup_count);
+ ret = write(wakeup_count_fd, wakeup_count, wakeup_count_len);
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", SYS_POWER_WAKEUP_COUNT, buf);
+ } else {
+ ALOGV("%s: write %s to %s\n", __func__, sleep_state, SYS_POWER_STATE);
+ ret = write(state_fd, sleep_state, strlen(sleep_state));
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error writing to %s: %s\n", SYS_POWER_STATE, buf);
+ }
+ }
+
+ ALOGV("%s: release sem\n", __func__);
+ ret = sem_post(&suspend_lockout);
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error releasing semaphore: %s\n", buf);
+ }
+ }
+ return NULL;
+}
+
+static int autosuspend_wakeup_count_enable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_wakeup_count_enable\n");
+
+ ret = sem_post(&suspend_lockout);
+
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error changing semaphore: %s\n", buf);
+ }
+
+ ALOGV("autosuspend_wakeup_count_enable done\n");
+
+ return ret;
+}
+
+static int autosuspend_wakeup_count_disable(void)
+{
+ char buf[80];
+ int ret;
+
+ ALOGV("autosuspend_wakeup_count_disable\n");
+
+ ret = sem_wait(&suspend_lockout);
+
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error changing semaphore: %s\n", buf);
+ }
+
+ ALOGV("autosuspend_wakeup_count_disable done\n");
+
+ return ret;
+}
+
+struct autosuspend_ops autosuspend_wakeup_count_ops = {
+ .enable = autosuspend_wakeup_count_enable,
+ .disable = autosuspend_wakeup_count_disable,
+};
+
+struct autosuspend_ops *autosuspend_wakeup_count_init(void)
+{
+ int ret;
+ char buf[80];
+
+ state_fd = open(SYS_POWER_STATE, O_RDWR);
+ if (state_fd < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error opening %s: %s\n", SYS_POWER_STATE, buf);
+ goto err_open_state;
+ }
+
+ wakeup_count_fd = open(SYS_POWER_WAKEUP_COUNT, O_RDWR);
+ if (wakeup_count_fd < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error opening %s: %s\n", SYS_POWER_WAKEUP_COUNT, buf);
+ goto err_open_wakeup_count;
+ }
+
+ ret = sem_init(&suspend_lockout, 0, 0);
+ if (ret < 0) {
+ strerror_r(errno, buf, sizeof(buf));
+ ALOGE("Error creating semaphore: %s\n", buf);
+ goto err_sem_init;
+ }
+ ret = pthread_create(&suspend_thread, NULL, suspend_thread_func, NULL);
+ if (ret) {
+ strerror_r(ret, buf, sizeof(buf));
+ ALOGE("Error creating thread: %s\n", buf);
+ goto err_pthread_create;
+ }
+
+ ALOGI("Selected wakeup count\n");
+ return &autosuspend_wakeup_count_ops;
+
+err_pthread_create:
+ sem_destroy(&suspend_lockout);
+err_sem_init:
+ close(wakeup_count_fd);
+err_open_wakeup_count:
+ close(state_fd);
+err_open_state:
+ return NULL;
+}
diff --git a/libsuspend/include/suspend/autosuspend.h b/libsuspend/include/suspend/autosuspend.h
new file mode 100644
index 0000000..f56fc6a
--- /dev/null
+++ b/libsuspend/include/suspend/autosuspend.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBSUSPEND_AUTOSUSPEND_H_
+#define _LIBSUSPEND_AUTOSUSPEND_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/*
+ * autosuspend_enable
+ *
+ * Turn on autosuspend in the kernel, allowing it to enter suspend if no
+ * wakelocks/wakeup_sources are held.
+ *
+ *
+ *
+ * Returns 0 on success, -1 if autosuspend was not enabled.
+ */
+int autosuspend_enable(void);
+
+/*
+ * autosuspend_disable
+ *
+ * Turn off autosuspend in the kernel, preventing suspend and synchronizing
+ * with any in-progress resume.
+ *
+ * Returns 0 on success, -1 if autosuspend was not disabled.
+ */
+int autosuspend_disable(void);
+
+__END_DECLS
+
+#endif
diff --git a/libsysutils/src/SocketClient.cpp b/libsysutils/src/SocketClient.cpp
index 4a1227f..3d4984d 100644
--- a/libsysutils/src/SocketClient.cpp
+++ b/libsysutils/src/SocketClient.cpp
@@ -131,11 +131,6 @@
int SocketClient::sendMsg(const char *msg) {
- if (mSocket < 0) {
- errno = EHOSTUNREACH;
- return -1;
- }
-
// Send the message including null character
if (sendData(msg, strlen(msg) + 1) != 0) {
SLOGW("Unable to send msg '%s'", msg);
@@ -158,6 +153,11 @@
const char *p = (const char*) data;
int brtw = len;
+ if (mSocket < 0) {
+ errno = EHOSTUNREACH;
+ return -1;
+ }
+
if (len == 0) {
return 0;
}
diff --git a/rootdir/init.rc b/rootdir/init.rc
index bfa4209..7fb50a3 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -93,34 +93,20 @@
write /dev/cpuctl/cpu.rt_runtime_us 950000
write /dev/cpuctl/cpu.rt_period_us 1000000
- mkdir /dev/cpuctl/foreground
- chown system system /dev/cpuctl/foreground/tasks
- chmod 0666 /dev/cpuctl/foreground/tasks
- write /dev/cpuctl/foreground/cpu.shares 1024
- write /dev/cpuctl/foreground/cpu.rt_runtime_us 0
- write /dev/cpuctl/foreground/cpu.rt_period_us 1000000
+ mkdir /dev/cpuctl/apps
+ chown system system /dev/cpuctl/apps/tasks
+ chmod 0666 /dev/cpuctl/apps/tasks
+ write /dev/cpuctl/apps/cpu.shares 1024
+ write /dev/cpuctl/apps/cpu.rt_runtime_us 800000
+ write /dev/cpuctl/apps/cpu.rt_period_us 1000000
- mkdir /dev/cpuctl/bg_non_interactive
- chown system system /dev/cpuctl/bg_non_interactive/tasks
- chmod 0666 /dev/cpuctl/bg_non_interactive/tasks
+ mkdir /dev/cpuctl/apps/bg_non_interactive
+ chown system system /dev/cpuctl/apps/bg_non_interactive/tasks
+ chmod 0666 /dev/cpuctl/apps/bg_non_interactive/tasks
# 5.0 %
- write /dev/cpuctl/bg_non_interactive/cpu.shares 52
- write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 0
- write /dev/cpuctl/bg_non_interactive/cpu.rt_period_us 1000000
-
- mkdir /dev/cpuctl/audio_app
- chown system system /dev/cpuctl/audio_app/tasks
- chmod 0660 /dev/cpuctl/audio_app/tasks
- write /dev/cpuctl/audio_app/cpu.shares 10
- write /dev/cpuctl/audio_app/cpu.rt_runtime_us 100000
- write /dev/cpuctl/audio_app/cpu.rt_period_us 1000000
-
- mkdir /dev/cpuctl/audio_sys
- chown system system /dev/cpuctl/audio_sys/tasks
- chmod 0660 /dev/cpuctl/audio_sys/tasks
- write /dev/cpuctl/audio_sys/cpu.shares 10
- write /dev/cpuctl/audio_sys/cpu.rt_runtime_us 100000
- write /dev/cpuctl/audio_sys/cpu.rt_period_us 1000000
+ write /dev/cpuctl/apps/bg_non_interactive/cpu.shares 52
+ write /dev/cpuctl/apps/bg_non_interactive/cpu.rt_runtime_us 700000
+ write /dev/cpuctl/apps/bg_non_interactive/cpu.rt_period_us 1000000
# Allow everybody to read the xt_qtaguid resource tracking misc dev.
# This is needed by any process that uses socket tagging.
@@ -275,6 +261,7 @@
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay
chown system system /sys/devices/system/cpu/cpufreq/interactive/boost
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost
+ chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse
chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
diff --git a/sdcard/Android.mk b/sdcard/Android.mk
index c430ac8..fb04d6d 100644
--- a/sdcard/Android.mk
+++ b/sdcard/Android.mk
@@ -4,6 +4,7 @@
LOCAL_SRC_FILES:= sdcard.c
LOCAL_MODULE:= sdcard
+LOCAL_CFLAGS := -Wall -Wno-unused-parameter
LOCAL_SHARED_LIBRARIES := libc
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index a95513c..316588c 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -25,7 +25,9 @@
#include <sys/statfs.h>
#include <sys/uio.h>
#include <dirent.h>
+#include <limits.h>
#include <ctype.h>
+#include <pthread.h>
#include <private/android_filesystem_config.h>
@@ -72,28 +74,42 @@
#define MOUNT_POINT "/storage/sdcard0"
+/* Maximum number of bytes to write in one request. */
+#define MAX_WRITE (256 * 1024)
+
+/* Maximum number of bytes to read in one request. */
+#define MAX_READ (128 * 1024)
+
+/* Largest possible request.
+ * The request size is bounded by the maximum size of a FUSE_WRITE request because it has
+ * the largest possible data payload. */
+#define MAX_REQUEST_SIZE (sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in) + MAX_WRITE)
+
+/* Default number of threads. */
+#define DEFAULT_NUM_THREADS 2
+
+/* Pseudo-error constant used to indicate that no fuse status is needed
+ * or that a reply has already been written. */
+#define NO_STATUS 1
+
struct handle {
- struct node *node;
int fd;
};
struct dirhandle {
- struct node *node;
DIR *d;
};
struct node {
+ __u32 refcount;
__u64 nid;
__u64 gen;
struct node *next; /* per-dir sibling list */
struct node *child; /* first contained file by this dir */
- struct node *all; /* global node list */
struct node *parent; /* containing directory */
- __u32 refcount;
- __u32 namelen;
-
+ size_t namelen;
char *name;
/* If non-null, this is the real name of the file in the underlying storage.
* This may differ from the field "name" only by case.
@@ -103,98 +119,166 @@
char *actual_name;
};
+/* Global data structure shared by all fuse handlers. */
struct fuse {
+ pthread_mutex_t lock;
+
__u64 next_generation;
- __u64 next_node_id;
-
int fd;
-
- struct node *all;
-
struct node root;
- char rootpath[1024];
+ char rootpath[PATH_MAX];
};
-static unsigned uid = -1;
-static unsigned gid = -1;
+/* Private data used by a single fuse handler. */
+struct fuse_handler {
+ struct fuse* fuse;
+ int token;
-#define PATH_BUFFER_SIZE 1024
+ /* To save memory, we never use the contents of the request buffer and the read
+ * buffer at the same time. This allows us to share the underlying storage. */
+ union {
+ __u8 request_buffer[MAX_REQUEST_SIZE];
+ __u8 read_buffer[MAX_READ];
+ };
+};
-#define NO_CASE_SENSITIVE_MATCH 0
-#define CASE_SENSITIVE_MATCH 1
-
-/*
- * Get the real-life absolute path to a node.
- * node: start at this node
- * buf: storage for returned string
- * name: append this string to path if set
- */
-char *do_node_get_path(struct node *node, char *buf, const char *name, int match_case_insensitive)
+static inline void *id_to_ptr(__u64 nid)
{
- struct node *in_node = node;
- const char *in_name = name;
- char *out = buf + PATH_BUFFER_SIZE - 1;
- int len;
- out[0] = 0;
+ return (void *) (uintptr_t) nid;
+}
- if (name) {
- len = strlen(name);
- goto start;
- }
+static inline __u64 ptr_to_id(void *ptr)
+{
+ return (__u64) (uintptr_t) ptr;
+}
- while (node) {
- name = (node->actual_name ? node->actual_name : node->name);
- len = node->namelen;
- node = node->parent;
- start:
- if ((len + 1) > (out - buf))
- return 0;
- out -= len;
- memcpy(out, name, len);
- /* avoid double slash at beginning of path */
- if (out[0] != '/') {
- out --;
- out[0] = '/';
+static void acquire_node_locked(struct node* node)
+{
+ node->refcount++;
+ TRACE("ACQUIRE %p (%s) rc=%d\n", node, node->name, node->refcount);
+}
+
+static void remove_node_from_parent_locked(struct node* node);
+
+static void release_node_locked(struct node* node)
+{
+ TRACE("RELEASE %p (%s) rc=%d\n", node, node->name, node->refcount);
+ if (node->refcount > 0) {
+ node->refcount--;
+ if (!node->refcount) {
+ TRACE("DESTROY %p (%s)\n", node, node->name);
+ remove_node_from_parent_locked(node);
+
+ /* TODO: remove debugging - poison memory */
+ memset(node->name, 0xef, node->namelen);
+ free(node->name);
+ free(node->actual_name);
+ memset(node, 0xfc, sizeof(*node));
+ free(node);
}
+ } else {
+ ERROR("Zero refcnt %p\n", node);
+ }
+}
+
+static void add_node_to_parent_locked(struct node *node, struct node *parent) {
+ node->parent = parent;
+ node->next = parent->child;
+ parent->child = node;
+ acquire_node_locked(parent);
+}
+
+static void remove_node_from_parent_locked(struct node* node)
+{
+ if (node->parent) {
+ if (node->parent->child == node) {
+ node->parent->child = node->parent->child->next;
+ } else {
+ struct node *node2;
+ node2 = node->parent->child;
+ while (node2->next != node)
+ node2 = node2->next;
+ node2->next = node->next;
+ }
+ release_node_locked(node->parent);
+ node->parent = NULL;
+ node->next = NULL;
+ }
+}
+
+/* Gets the absolute path to a node into the provided buffer.
+ *
+ * Populates 'buf' with the path and returns the length of the path on success,
+ * or returns -1 if the path is too long for the provided buffer.
+ */
+static ssize_t get_node_path_locked(struct node* node, char* buf, size_t bufsize)
+{
+ size_t namelen = node->namelen;
+ if (bufsize < namelen + 1) {
+ return -1;
}
- /* If we are searching for a file within node (rather than computing node's path)
- * and fail, then we need to look for a case insensitive match.
- */
- if (in_name && match_case_insensitive && access(out, F_OK) != 0) {
- char *path, buffer[PATH_BUFFER_SIZE];
- DIR* dir;
+ ssize_t pathlen = 0;
+ if (node->parent) {
+ pathlen = get_node_path_locked(node->parent, buf, bufsize - namelen - 2);
+ if (pathlen < 0) {
+ return -1;
+ }
+ buf[pathlen++] = '/';
+ }
+
+ const char* name = node->actual_name ? node->actual_name : node->name;
+ memcpy(buf + pathlen, name, namelen + 1); /* include trailing \0 */
+ return pathlen + namelen;
+}
+
+/* Finds the absolute path of a file within a given directory.
+ * Performs a case-insensitive search for the file and sets the buffer to the path
+ * of the first matching file. If 'search' is zero or if no match is found, sets
+ * the buffer to the path that the file would have, assuming the name were case-sensitive.
+ *
+ * Populates 'buf' with the path and returns the actual name (within 'buf') on success,
+ * or returns NULL if the path is too long for the provided buffer.
+ */
+static char* find_file_within(const char* path, const char* name,
+ char* buf, size_t bufsize, int search)
+{
+ size_t pathlen = strlen(path);
+ size_t namelen = strlen(name);
+ size_t childlen = pathlen + namelen + 1;
+ char* actual;
+
+ if (bufsize <= childlen) {
+ return NULL;
+ }
+
+ memcpy(buf, path, pathlen);
+ buf[pathlen] = '/';
+ actual = buf + pathlen + 1;
+ memcpy(actual, name, namelen + 1);
+
+ if (search && access(buf, F_OK)) {
struct dirent* entry;
- path = do_node_get_path(in_node, buffer, NULL, NO_CASE_SENSITIVE_MATCH);
- dir = opendir(path);
+ DIR* dir = opendir(path);
if (!dir) {
ERROR("opendir %s failed: %s", path, strerror(errno));
- return out;
+ return actual;
}
-
while ((entry = readdir(dir))) {
- if (!strcasecmp(entry->d_name, in_name)) {
- /* we have a match - replace the name */
- len = strlen(in_name);
- memcpy(buf + PATH_BUFFER_SIZE - len - 1, entry->d_name, len);
+ if (!strcasecmp(entry->d_name, name)) {
+ /* we have a match - replace the name, don't need to copy the null again */
+ memcpy(actual, entry->d_name, namelen);
break;
}
}
closedir(dir);
}
-
- return out;
+ return actual;
}
-char *node_get_path(struct node *node, char *buf, const char *name)
+static void attr_from_stat(struct fuse_attr *attr, const struct stat *s, __u64 nid)
{
- /* We look for case insensitive matches by default */
- return do_node_get_path(node, buf, name, CASE_SENSITIVE_MATCH);
-}
-
-void attr_from_stat(struct fuse_attr *attr, struct stat *s)
-{
- attr->ino = s->st_ino;
+ attr->ino = nid;
attr->size = s->st_size;
attr->blocks = s->st_blocks;
attr->atime = s->st_atime;
@@ -221,129 +305,81 @@
attr->gid = AID_SDCARD_RW;
}
-int node_get_attr(struct node *node, struct fuse_attr *attr)
-{
- int res;
- struct stat s;
- char *path, buffer[PATH_BUFFER_SIZE];
-
- path = node_get_path(node, buffer, 0);
- res = lstat(path, &s);
- if (res < 0) {
- ERROR("lstat('%s') errno %d\n", path, errno);
- return -1;
- }
-
- attr_from_stat(attr, &s);
- attr->ino = node->nid;
-
- return 0;
-}
-
-static void add_node_to_parent(struct node *node, struct node *parent) {
- node->parent = parent;
- node->next = parent->child;
- parent->child = node;
- parent->refcount++;
-}
-
-/* Check to see if our parent directory already has a file with a name
- * that differs only by case. If we find one, store it in the actual_name
- * field so node_get_path will map it to this file in the underlying storage.
- */
-static void node_find_actual_name(struct node *node)
-{
- char *path, buffer[PATH_BUFFER_SIZE];
- const char *node_name = node->name;
- DIR* dir;
- struct dirent* entry;
-
- if (!node->parent) return;
-
- path = node_get_path(node->parent, buffer, 0);
- dir = opendir(path);
- if (!dir) {
- ERROR("opendir %s failed: %s", path, strerror(errno));
- return;
- }
-
- while ((entry = readdir(dir))) {
- const char *test_name = entry->d_name;
- if (strcmp(test_name, node_name) && !strcasecmp(test_name, node_name)) {
- /* we have a match - differs but only by case */
- node->actual_name = strdup(test_name);
- if (!node->actual_name) {
- ERROR("strdup failed - out of memory\n");
- exit(1);
- }
- break;
- }
- }
- closedir(dir);
-}
-
-struct node *node_create(struct node *parent, const char *name, __u64 nid, __u64 gen)
+struct node *create_node_locked(struct fuse* fuse,
+ struct node *parent, const char *name, const char* actual_name)
{
struct node *node;
- int namelen = strlen(name);
+ size_t namelen = strlen(name);
node = calloc(1, sizeof(struct node));
- if (node == 0) {
- return 0;
+ if (!node) {
+ return NULL;
}
node->name = malloc(namelen + 1);
- if (node->name == 0) {
+ if (!node->name) {
free(node);
- return 0;
+ return NULL;
}
-
- node->nid = nid;
- node->gen = gen;
- add_node_to_parent(node, parent);
memcpy(node->name, name, namelen + 1);
+ if (strcmp(name, actual_name)) {
+ node->actual_name = malloc(namelen + 1);
+ if (!node->actual_name) {
+ free(node->name);
+ free(node);
+ return NULL;
+ }
+ memcpy(node->actual_name, actual_name, namelen + 1);
+ }
node->namelen = namelen;
- node_find_actual_name(node);
+ node->nid = ptr_to_id(node);
+ node->gen = fuse->next_generation++;
+ acquire_node_locked(node);
+ add_node_to_parent_locked(node, parent);
return node;
}
-static char *rename_node(struct node *node, const char *name)
+static int rename_node_locked(struct node *node, const char *name,
+ const char* actual_name)
{
- node->namelen = strlen(name);
- char *newname = realloc(node->name, node->namelen + 1);
- if (newname == 0)
- return 0;
- node->name = newname;
- memcpy(node->name, name, node->namelen + 1);
- node_find_actual_name(node);
- return node->name;
+ size_t namelen = strlen(name);
+ int need_actual_name = strcmp(name, actual_name);
+
+ /* make the storage bigger without actually changing the name
+ * in case an error occurs part way */
+ if (namelen > node->namelen) {
+ char* new_name = realloc(node->name, namelen + 1);
+ if (!new_name) {
+ return -ENOMEM;
+ }
+ node->name = new_name;
+ if (need_actual_name && node->actual_name) {
+ char* new_actual_name = realloc(node->actual_name, namelen + 1);
+ if (!new_actual_name) {
+ return -ENOMEM;
+ }
+ node->actual_name = new_actual_name;
+ }
+ }
+
+ /* update the name, taking care to allocate storage before overwriting the old name */
+ if (need_actual_name) {
+ if (!node->actual_name) {
+ node->actual_name = malloc(namelen + 1);
+ if (!node->actual_name) {
+ return -ENOMEM;
+ }
+ }
+ memcpy(node->actual_name, actual_name, namelen + 1);
+ } else {
+ free(node->actual_name);
+ node->actual_name = NULL;
+ }
+ memcpy(node->name, name, namelen + 1);
+ node->namelen = namelen;
+ return 0;
}
-void fuse_init(struct fuse *fuse, int fd, const char *path)
-{
- fuse->fd = fd;
- fuse->next_node_id = 2;
- fuse->next_generation = 0;
-
- fuse->all = &fuse->root;
-
- memset(&fuse->root, 0, sizeof(fuse->root));
- fuse->root.nid = FUSE_ROOT_ID; /* 1 */
- fuse->root.refcount = 2;
- rename_node(&fuse->root, path);
-}
-
-static inline void *id_to_ptr(__u64 nid)
-{
- return (void *) nid;
-}
-
-static inline __u64 ptr_to_id(void *ptr)
-{
- return (__u64) ptr;
-}
-
-
-struct node *lookup_by_inode(struct fuse *fuse, __u64 nid)
+static struct node *lookup_node_by_id_locked(struct fuse *fuse, __u64 nid)
{
if (nid == FUSE_ROOT_ID) {
return &fuse->root;
@@ -352,9 +388,23 @@
}
}
-struct node *lookup_child_by_name(struct node *node, const char *name)
+static struct node* lookup_node_and_path_by_id_locked(struct fuse* fuse, __u64 nid,
+ char* buf, size_t bufsize)
+{
+ struct node* node = lookup_node_by_id_locked(fuse, nid);
+ if (node && get_node_path_locked(node, buf, bufsize) < 0) {
+ node = NULL;
+ }
+ return node;
+}
+
+static struct node *lookup_child_by_name_locked(struct node *node, const char *name)
{
for (node = node->child; node; node = node->next) {
+ /* use exact string comparison, nodes that differ by case
+ * must be considered distinct even if they refer to the same
+ * underlying file as otherwise operations such as "mv x x"
+ * will not work because the source and target nodes are the same. */
if (!strcmp(name, node->name)) {
return node;
}
@@ -362,123 +412,43 @@
return 0;
}
-struct node *lookup_child_by_inode(struct node *node, __u64 nid)
+static struct node* acquire_or_create_child_locked(
+ struct fuse* fuse, struct node* parent,
+ const char* name, const char* actual_name)
{
- for (node = node->child; node; node = node->next) {
- if (node->nid == nid) {
- return node;
- }
- }
- return 0;
-}
-
-static void dec_refcount(struct node *node) {
- if (node->refcount > 0) {
- node->refcount--;
- TRACE("dec_refcount %p(%s) -> %d\n", node, node->name, node->refcount);
+ struct node* child = lookup_child_by_name_locked(parent, name);
+ if (child) {
+ acquire_node_locked(child);
} else {
- ERROR("Zero refcnt %p\n", node);
+ child = create_node_locked(fuse, parent, name, actual_name);
}
- }
-
-static struct node *remove_child(struct node *parent, __u64 nid)
-{
- struct node *prev = 0;
- struct node *node;
-
- for (node = parent->child; node; node = node->next) {
- if (node->nid == nid) {
- if (prev) {
- prev->next = node->next;
- } else {
- parent->child = node->next;
- }
- node->next = 0;
- node->parent = 0;
- dec_refcount(parent);
- return node;
- }
- prev = node;
- }
- return 0;
+ return child;
}
-struct node *node_lookup(struct fuse *fuse, struct node *parent, const char *name,
- struct fuse_attr *attr)
+static void fuse_init(struct fuse *fuse, int fd, const char *path)
{
- int res;
- struct stat s;
- char *path, buffer[PATH_BUFFER_SIZE];
- struct node *node;
+ pthread_mutex_init(&fuse->lock, NULL);
- path = node_get_path(parent, buffer, name);
- /* XXX error? */
+ fuse->fd = fd;
+ fuse->next_generation = 0;
- res = lstat(path, &s);
- if (res < 0)
- return 0;
-
- node = lookup_child_by_name(parent, name);
- if (!node) {
- node = node_create(parent, name, fuse->next_node_id++, fuse->next_generation++);
- if (!node)
- return 0;
- node->nid = ptr_to_id(node);
- node->all = fuse->all;
- fuse->all = node;
- }
-
- attr_from_stat(attr, &s);
- attr->ino = node->nid;
-
- return node;
+ memset(&fuse->root, 0, sizeof(fuse->root));
+ fuse->root.nid = FUSE_ROOT_ID; /* 1 */
+ fuse->root.refcount = 2;
+ fuse->root.namelen = strlen(path);
+ fuse->root.name = strdup(path);
}
-void node_release(struct node *node)
-{
- TRACE("RELEASE %p (%s) rc=%d\n", node, node->name, node->refcount);
- dec_refcount(node);
- if (node->refcount == 0) {
- if (node->parent->child == node) {
- node->parent->child = node->parent->child->next;
- } else {
- struct node *node2;
-
- node2 = node->parent->child;
- while (node2->next != node)
- node2 = node2->next;
- node2->next = node->next;
- }
-
- TRACE("DESTROY %p (%s)\n", node, node->name);
-
- node_release(node->parent);
-
- node->parent = 0;
- node->next = 0;
-
- /* TODO: remove debugging - poison memory */
- memset(node->name, 0xef, node->namelen);
- free(node->name);
- free(node->actual_name);
- memset(node, 0xfc, sizeof(*node));
- free(node);
- }
-}
-
-void fuse_status(struct fuse *fuse, __u64 unique, int err)
+static void fuse_status(struct fuse *fuse, __u64 unique, int err)
{
struct fuse_out_header hdr;
hdr.len = sizeof(hdr);
hdr.error = err;
hdr.unique = unique;
- if (err) {
-// ERROR("*** %d ***\n", err);
- }
write(fuse->fd, &hdr, sizeof(hdr));
}
-void fuse_reply(struct fuse *fuse, __u64 unique, void *data, int len)
+static void fuse_reply(struct fuse *fuse, __u64 unique, void *data, int len)
{
struct fuse_out_header hdr;
struct iovec vec[2];
@@ -499,481 +469,856 @@
}
}
-void lookup_entry(struct fuse *fuse, struct node *node,
- const char *name, __u64 unique)
+static int fuse_reply_entry(struct fuse* fuse, __u64 unique,
+ struct node* parent, const char* name, const char* actual_name,
+ const char* path)
{
+ struct node* node;
struct fuse_entry_out out;
-
- memset(&out, 0, sizeof(out));
+ struct stat s;
- node = node_lookup(fuse, node, name, &out.attr);
- if (!node) {
- fuse_status(fuse, unique, -ENOENT);
- return;
+ if (lstat(path, &s) < 0) {
+ return -errno;
}
-
- node->refcount++;
-// fprintf(stderr,"ACQUIRE %p (%s) rc=%d\n", node, node->name, node->refcount);
+
+ pthread_mutex_lock(&fuse->lock);
+ node = acquire_or_create_child_locked(fuse, parent, name, actual_name);
+ if (!node) {
+ pthread_mutex_unlock(&fuse->lock);
+ return -ENOMEM;
+ }
+ memset(&out, 0, sizeof(out));
+ attr_from_stat(&out.attr, &s, node->nid);
+ out.attr_valid = 10;
+ out.entry_valid = 10;
out.nodeid = node->nid;
out.generation = node->gen;
- out.entry_valid = 10;
- out.attr_valid = 10;
-
+ pthread_mutex_unlock(&fuse->lock);
fuse_reply(fuse, unique, &out, sizeof(out));
+ return NO_STATUS;
}
-void handle_fuse_request(struct fuse *fuse, struct fuse_in_header *hdr, void *data, unsigned len)
+static int fuse_reply_attr(struct fuse* fuse, __u64 unique, __u64 nid,
+ const char* path)
{
- struct node *node;
+ struct fuse_attr_out out;
+ struct stat s;
- if ((len < sizeof(*hdr)) || (hdr->len != len)) {
- ERROR("malformed header\n");
- return;
+ if (lstat(path, &s) < 0) {
+ return -errno;
}
+ memset(&out, 0, sizeof(out));
+ attr_from_stat(&out.attr, &s, nid);
+ out.attr_valid = 10;
+ fuse_reply(fuse, unique, &out, sizeof(out));
+ return NO_STATUS;
+}
- len -= hdr->len;
+static int handle_lookup(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header *hdr, const char* name)
+{
+ struct node* parent_node;
+ char parent_path[PATH_MAX];
+ char child_path[PATH_MAX];
+ const char* actual_name;
- if (hdr->nodeid) {
- node = lookup_by_inode(fuse, hdr->nodeid);
- if (!node) {
- fuse_status(fuse, hdr->unique, -ENOENT);
- return;
+ pthread_mutex_lock(&fuse->lock);
+ parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ parent_path, sizeof(parent_path));
+ TRACE("[%d] LOOKUP %s @ %llx (%s)\n", handler->token, name, hdr->nodeid,
+ parent_node ? parent_node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!parent_node || !(actual_name = find_file_within(parent_path, name,
+ child_path, sizeof(child_path), 1))) {
+ return -ENOENT;
+ }
+ return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);
+}
+
+static int handle_forget(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header *hdr, const struct fuse_forget_in *req)
+{
+ struct node* node;
+
+ pthread_mutex_lock(&fuse->lock);
+ node = lookup_node_by_id_locked(fuse, hdr->nodeid);
+ TRACE("[%d] FORGET #%lld @ %llx (%s)\n", handler->token, req->nlookup,
+ hdr->nodeid, node ? node->name : "?");
+ if (node) {
+ __u64 n = req->nlookup;
+ while (n--) {
+ release_node_locked(node);
}
- } else {
- node = 0;
+ }
+ pthread_mutex_unlock(&fuse->lock);
+ return NO_STATUS; /* no reply */
+}
+
+static int handle_getattr(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header *hdr, const struct fuse_getattr_in *req)
+{
+ struct node* node;
+ char path[PATH_MAX];
+
+ pthread_mutex_lock(&fuse->lock);
+ node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));
+ TRACE("[%d] GETATTR flags=%x fh=%llx @ %llx (%s)\n", handler->token,
+ req->getattr_flags, req->fh, hdr->nodeid, node ? node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!node) {
+ return -ENOENT;
+ }
+ return fuse_reply_attr(fuse, hdr->unique, hdr->nodeid, path);
+}
+
+static int handle_setattr(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header *hdr, const struct fuse_setattr_in *req)
+{
+ struct node* node;
+ char path[PATH_MAX];
+ struct timespec times[2];
+
+ pthread_mutex_lock(&fuse->lock);
+ node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));
+ TRACE("[%d] SETATTR fh=%llx valid=%x @ %llx (%s)\n", handler->token,
+ req->fh, req->valid, hdr->nodeid, node ? node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!node) {
+ return -ENOENT;
}
+ /* XXX: incomplete implementation on purpose.
+ * chmod/chown should NEVER be implemented.*/
+
+ if ((req->valid & FATTR_SIZE) && truncate(path, req->size) < 0) {
+ return -errno;
+ }
+
+ /* Handle changing atime and mtime. If FATTR_ATIME_and FATTR_ATIME_NOW
+ * are both set, then set it to the current time. Else, set it to the
+ * time specified in the request. Same goes for mtime. Use utimensat(2)
+ * as it allows ATIME and MTIME to be changed independently, and has
+ * nanosecond resolution which fuse also has.
+ */
+ if (req->valid & (FATTR_ATIME | FATTR_MTIME)) {
+ times[0].tv_nsec = UTIME_OMIT;
+ times[1].tv_nsec = UTIME_OMIT;
+ if (req->valid & FATTR_ATIME) {
+ if (req->valid & FATTR_ATIME_NOW) {
+ times[0].tv_nsec = UTIME_NOW;
+ } else {
+ times[0].tv_sec = req->atime;
+ times[0].tv_nsec = req->atimensec;
+ }
+ }
+ if (req->valid & FATTR_MTIME) {
+ if (req->valid & FATTR_MTIME_NOW) {
+ times[1].tv_nsec = UTIME_NOW;
+ } else {
+ times[1].tv_sec = req->mtime;
+ times[1].tv_nsec = req->mtimensec;
+ }
+ }
+ TRACE("[%d] Calling utimensat on %s with atime %ld, mtime=%ld\n",
+ handler->token, path, times[0].tv_sec, times[1].tv_sec);
+ if (utimensat(-1, path, times, 0) < 0) {
+ return -errno;
+ }
+ }
+ return fuse_reply_attr(fuse, hdr->unique, hdr->nodeid, path);
+}
+
+static int handle_mknod(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_mknod_in* req, const char* name)
+{
+ struct node* parent_node;
+ char parent_path[PATH_MAX];
+ char child_path[PATH_MAX];
+ const char* actual_name;
+
+ pthread_mutex_lock(&fuse->lock);
+ parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ parent_path, sizeof(parent_path));
+ TRACE("[%d] MKNOD %s 0%o @ %llx (%s)\n", handler->token,
+ name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!parent_node || !(actual_name = find_file_within(parent_path, name,
+ child_path, sizeof(child_path), 1))) {
+ return -ENOENT;
+ }
+ __u32 mode = (req->mode & (~0777)) | 0664;
+ if (mknod(child_path, mode, req->rdev) < 0) {
+ return -errno;
+ }
+ return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);
+}
+
+static int handle_mkdir(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_mkdir_in* req, const char* name)
+{
+ struct node* parent_node;
+ char parent_path[PATH_MAX];
+ char child_path[PATH_MAX];
+ const char* actual_name;
+
+ pthread_mutex_lock(&fuse->lock);
+ parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ parent_path, sizeof(parent_path));
+ TRACE("[%d] MKDIR %s 0%o @ %llx (%s)\n", handler->token,
+ name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!parent_node || !(actual_name = find_file_within(parent_path, name,
+ child_path, sizeof(child_path), 1))) {
+ return -ENOENT;
+ }
+ __u32 mode = (req->mode & (~0777)) | 0775;
+ if (mkdir(child_path, mode) < 0) {
+ return -errno;
+ }
+ return fuse_reply_entry(fuse, hdr->unique, parent_node, name, actual_name, child_path);
+}
+
+static int handle_unlink(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const char* name)
+{
+ struct node* parent_node;
+ char parent_path[PATH_MAX];
+ char child_path[PATH_MAX];
+
+ pthread_mutex_lock(&fuse->lock);
+ parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ parent_path, sizeof(parent_path));
+ TRACE("[%d] UNLINK %s @ %llx (%s)\n", handler->token,
+ name, hdr->nodeid, parent_node ? parent_node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!parent_node || !find_file_within(parent_path, name,
+ child_path, sizeof(child_path), 1)) {
+ return -ENOENT;
+ }
+ if (unlink(child_path) < 0) {
+ return -errno;
+ }
+ return 0;
+}
+
+static int handle_rmdir(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const char* name)
+{
+ struct node* parent_node;
+ char parent_path[PATH_MAX];
+ char child_path[PATH_MAX];
+
+ pthread_mutex_lock(&fuse->lock);
+ parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ parent_path, sizeof(parent_path));
+ TRACE("[%d] RMDIR %s @ %llx (%s)\n", handler->token,
+ name, hdr->nodeid, parent_node ? parent_node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!parent_node || !find_file_within(parent_path, name,
+ child_path, sizeof(child_path), 1)) {
+ return -ENOENT;
+ }
+ if (rmdir(child_path) < 0) {
+ return -errno;
+ }
+ return 0;
+}
+
+static int handle_rename(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_rename_in* req,
+ const char* old_name, const char* new_name)
+{
+ struct node* old_parent_node;
+ struct node* new_parent_node;
+ struct node* child_node;
+ char old_parent_path[PATH_MAX];
+ char new_parent_path[PATH_MAX];
+ char old_child_path[PATH_MAX];
+ char new_child_path[PATH_MAX];
+ const char* new_actual_name;
+ int res;
+
+ pthread_mutex_lock(&fuse->lock);
+ old_parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,
+ old_parent_path, sizeof(old_parent_path));
+ new_parent_node = lookup_node_and_path_by_id_locked(fuse, req->newdir,
+ new_parent_path, sizeof(new_parent_path));
+ TRACE("[%d] RENAME %s->%s @ %llx (%s) -> %llx (%s)\n", handler->token,
+ old_name, new_name,
+ hdr->nodeid, old_parent_node ? old_parent_node->name : "?",
+ req->newdir, new_parent_node ? new_parent_node->name : "?");
+ if (!old_parent_node || !new_parent_node) {
+ res = -ENOENT;
+ goto lookup_error;
+ }
+ child_node = lookup_child_by_name_locked(old_parent_node, old_name);
+ if (!child_node || get_node_path_locked(child_node,
+ old_child_path, sizeof(old_child_path)) < 0) {
+ res = -ENOENT;
+ goto lookup_error;
+ }
+ acquire_node_locked(child_node);
+ pthread_mutex_unlock(&fuse->lock);
+
+ /* Special case for renaming a file where destination is same path
+ * differing only by case. In this case we don't want to look for a case
+ * insensitive match. This allows commands like "mv foo FOO" to work as expected.
+ */
+ int search = old_parent_node != new_parent_node
+ || strcasecmp(old_name, new_name);
+ if (!(new_actual_name = find_file_within(new_parent_path, new_name,
+ new_child_path, sizeof(new_child_path), search))) {
+ res = -ENOENT;
+ goto io_error;
+ }
+
+ TRACE("[%d] RENAME %s->%s\n", handler->token, old_child_path, new_child_path);
+ res = rename(old_child_path, new_child_path);
+ if (res < 0) {
+ res = -errno;
+ goto io_error;
+ }
+
+ pthread_mutex_lock(&fuse->lock);
+ res = rename_node_locked(child_node, new_name, new_actual_name);
+ if (!res) {
+ remove_node_from_parent_locked(child_node);
+ add_node_to_parent_locked(child_node, new_parent_node);
+ }
+ goto done;
+
+io_error:
+ pthread_mutex_lock(&fuse->lock);
+done:
+ release_node_locked(child_node);
+lookup_error:
+ pthread_mutex_unlock(&fuse->lock);
+ return res;
+}
+
+static int handle_open(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_open_in* req)
+{
+ struct node* node;
+ char path[PATH_MAX];
+ struct fuse_open_out out;
+ struct handle *h;
+
+ pthread_mutex_lock(&fuse->lock);
+ node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));
+ TRACE("[%d] OPEN 0%o @ %llx (%s)\n", handler->token,
+ req->flags, hdr->nodeid, node ? node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!node) {
+ return -ENOENT;
+ }
+ h = malloc(sizeof(*h));
+ if (!h) {
+ return -ENOMEM;
+ }
+ TRACE("[%d] OPEN %s\n", handler->token, path);
+ h->fd = open(path, req->flags);
+ if (h->fd < 0) {
+ free(h);
+ return -errno;
+ }
+ out.fh = ptr_to_id(h);
+ out.open_flags = 0;
+ out.padding = 0;
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_read(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_read_in* req)
+{
+ struct handle *h = id_to_ptr(req->fh);
+ __u64 unique = hdr->unique;
+ __u32 size = req->size;
+ __u64 offset = req->offset;
+ int res;
+
+ /* Don't access any other fields of hdr or req beyond this point, the read buffer
+ * overlaps the request buffer and will clobber data in the request. This
+ * saves us 128KB per request handler thread at the cost of this scary comment. */
+
+ TRACE("[%d] READ %p(%d) %u@%llu\n", handler->token,
+ h, h->fd, size, offset);
+ if (size > sizeof(handler->read_buffer)) {
+ return -EINVAL;
+ }
+ res = pread64(h->fd, handler->read_buffer, size, offset);
+ if (res < 0) {
+ return -errno;
+ }
+ fuse_reply(fuse, unique, handler->read_buffer, res);
+ return NO_STATUS;
+}
+
+static int handle_write(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_write_in* req,
+ const void* buffer)
+{
+ struct fuse_write_out out;
+ struct handle *h = id_to_ptr(req->fh);
+ int res;
+
+ TRACE("[%d] WRITE %p(%d) %u@%llu\n", handler->token,
+ h, h->fd, req->size, req->offset);
+ res = pwrite64(h->fd, buffer, req->size, req->offset);
+ if (res < 0) {
+ return -errno;
+ }
+ out.size = res;
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_statfs(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr)
+{
+ char path[PATH_MAX];
+ struct statfs stat;
+ struct fuse_statfs_out out;
+ int res;
+
+ pthread_mutex_lock(&fuse->lock);
+ TRACE("[%d] STATFS\n", handler->token);
+ res = get_node_path_locked(&fuse->root, path, sizeof(path));
+ pthread_mutex_unlock(&fuse->lock);
+ if (res < 0) {
+ return -ENOENT;
+ }
+ if (statfs(fuse->root.name, &stat) < 0) {
+ return -errno;
+ }
+ memset(&out, 0, sizeof(out));
+ out.st.blocks = stat.f_blocks;
+ out.st.bfree = stat.f_bfree;
+ out.st.bavail = stat.f_bavail;
+ out.st.files = stat.f_files;
+ out.st.ffree = stat.f_ffree;
+ out.st.bsize = stat.f_bsize;
+ out.st.namelen = stat.f_namelen;
+ out.st.frsize = stat.f_frsize;
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_release(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_release_in* req)
+{
+ struct handle *h = id_to_ptr(req->fh);
+
+ TRACE("[%d] RELEASE %p(%d)\n", handler->token, h, h->fd);
+ close(h->fd);
+ free(h);
+ return 0;
+}
+
+static int handle_fsync(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_fsync_in* req)
+{
+ int is_data_sync = req->fsync_flags & 1;
+ struct handle *h = id_to_ptr(req->fh);
+ int res;
+
+ TRACE("[%d] FSYNC %p(%d) is_data_sync=%d\n", handler->token,
+ h, h->fd, is_data_sync);
+ res = is_data_sync ? fdatasync(h->fd) : fsync(h->fd);
+ if (res < 0) {
+ return -errno;
+ }
+ return 0;
+}
+
+static int handle_flush(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr)
+{
+ TRACE("[%d] FLUSH\n", handler->token);
+ return 0;
+}
+
+static int handle_opendir(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_open_in* req)
+{
+ struct node* node;
+ char path[PATH_MAX];
+ struct fuse_open_out out;
+ struct dirhandle *h;
+
+ pthread_mutex_lock(&fuse->lock);
+ node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));
+ TRACE("[%d] OPENDIR @ %llx (%s)\n", handler->token,
+ hdr->nodeid, node ? node->name : "?");
+ pthread_mutex_unlock(&fuse->lock);
+
+ if (!node) {
+ return -ENOENT;
+ }
+ h = malloc(sizeof(*h));
+ if (!h) {
+ return -ENOMEM;
+ }
+ TRACE("[%d] OPENDIR %s\n", handler->token, path);
+ h->d = opendir(path);
+ if (!h->d) {
+ free(h);
+ return -errno;
+ }
+ out.fh = ptr_to_id(h);
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_readdir(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_read_in* req)
+{
+ char buffer[8192];
+ struct fuse_dirent *fde = (struct fuse_dirent*) buffer;
+ struct dirent *de;
+ struct dirhandle *h = id_to_ptr(req->fh);
+
+ TRACE("[%d] READDIR %p\n", handler->token, h);
+ if (req->offset == 0) {
+ /* rewinddir() might have been called above us, so rewind here too */
+ TRACE("[%d] calling rewinddir()\n", handler->token);
+ rewinddir(h->d);
+ }
+ de = readdir(h->d);
+ if (!de) {
+ return 0;
+ }
+ fde->ino = FUSE_UNKNOWN_INO;
+ /* increment the offset so we can detect when rewinddir() seeks back to the beginning */
+ fde->off = req->offset + 1;
+ fde->type = de->d_type;
+ fde->namelen = strlen(de->d_name);
+ memcpy(fde->name, de->d_name, fde->namelen + 1);
+ fuse_reply(fuse, hdr->unique, fde,
+ FUSE_DIRENT_ALIGN(sizeof(struct fuse_dirent) + fde->namelen));
+ return NO_STATUS;
+}
+
+static int handle_releasedir(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_release_in* req)
+{
+ struct dirhandle *h = id_to_ptr(req->fh);
+
+ TRACE("[%d] RELEASEDIR %p\n", handler->token, h);
+ closedir(h->d);
+ free(h);
+ return 0;
+}
+
+static int handle_init(struct fuse* fuse, struct fuse_handler* handler,
+ const struct fuse_in_header* hdr, const struct fuse_init_in* req)
+{
+ struct fuse_init_out out;
+
+ TRACE("[%d] INIT ver=%d.%d maxread=%d flags=%x\n",
+ handler->token, req->major, req->minor, req->max_readahead, req->flags);
+ out.major = FUSE_KERNEL_VERSION;
+ out.minor = FUSE_KERNEL_MINOR_VERSION;
+ out.max_readahead = req->max_readahead;
+ out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;
+ out.max_background = 32;
+ out.congestion_threshold = 32;
+ out.max_write = MAX_WRITE;
+ fuse_reply(fuse, hdr->unique, &out, sizeof(out));
+ return NO_STATUS;
+}
+
+static int handle_fuse_request(struct fuse *fuse, struct fuse_handler* handler,
+ const struct fuse_in_header *hdr, const void *data, size_t data_len)
+{
switch (hdr->opcode) {
case FUSE_LOOKUP: { /* bytez[] -> entry_out */
- TRACE("LOOKUP %llx %s\n", hdr->nodeid, (char*) data);
- lookup_entry(fuse, node, (char*) data, hdr->unique);
- return;
+ const char* name = data;
+ return handle_lookup(fuse, handler, hdr, name);
}
+
case FUSE_FORGET: {
- struct fuse_forget_in *req = data;
- TRACE("FORGET %llx (%s) #%lld\n", hdr->nodeid, node->name, req->nlookup);
- /* no reply */
- while (req->nlookup--)
- node_release(node);
- return;
+ const struct fuse_forget_in *req = data;
+ return handle_forget(fuse, handler, hdr, req);
}
+
case FUSE_GETATTR: { /* getattr_in -> attr_out */
- struct fuse_getattr_in *req = data;
- struct fuse_attr_out out;
-
- TRACE("GETATTR flags=%x fh=%llx\n", req->getattr_flags, req->fh);
-
- memset(&out, 0, sizeof(out));
- node_get_attr(node, &out.attr);
- out.attr_valid = 10;
-
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ const struct fuse_getattr_in *req = data;
+ return handle_getattr(fuse, handler, hdr, req);
}
+
case FUSE_SETATTR: { /* setattr_in -> attr_out */
- struct fuse_setattr_in *req = data;
- struct fuse_attr_out out;
- char *path, buffer[PATH_BUFFER_SIZE];
- int res = 0;
- struct timespec times[2];
-
- TRACE("SETATTR fh=%llx id=%llx valid=%x\n",
- req->fh, hdr->nodeid, req->valid);
-
- /* XXX: incomplete implementation on purpose. chmod/chown
- * should NEVER be implemented.*/
-
- path = node_get_path(node, buffer, 0);
- if (req->valid & FATTR_SIZE)
- res = truncate(path, req->size);
- if (res)
- goto getout;
-
- /* Handle changing atime and mtime. If FATTR_ATIME_and FATTR_ATIME_NOW
- * are both set, then set it to the current time. Else, set it to the
- * time specified in the request. Same goes for mtime. Use utimensat(2)
- * as it allows ATIME and MTIME to be changed independently, and has
- * nanosecond resolution which fuse also has.
- */
- if (req->valid & (FATTR_ATIME | FATTR_MTIME)) {
- times[0].tv_nsec = UTIME_OMIT;
- times[1].tv_nsec = UTIME_OMIT;
- if (req->valid & FATTR_ATIME) {
- if (req->valid & FATTR_ATIME_NOW) {
- times[0].tv_nsec = UTIME_NOW;
- } else {
- times[0].tv_sec = req->atime;
- times[0].tv_nsec = req->atimensec;
- }
- }
- if (req->valid & FATTR_MTIME) {
- if (req->valid & FATTR_MTIME_NOW) {
- times[1].tv_nsec = UTIME_NOW;
- } else {
- times[1].tv_sec = req->mtime;
- times[1].tv_nsec = req->mtimensec;
- }
- }
- TRACE("Calling utimensat on %s with atime %ld, mtime=%ld\n", path, times[0].tv_sec, times[1].tv_sec);
- res = utimensat(-1, path, times, 0);
- }
-
- getout:
- memset(&out, 0, sizeof(out));
- node_get_attr(node, &out.attr);
- out.attr_valid = 10;
-
- if (res)
- fuse_status(fuse, hdr->unique, -errno);
- else
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ const struct fuse_setattr_in *req = data;
+ return handle_setattr(fuse, handler, hdr, req);
}
+
// case FUSE_READLINK:
// case FUSE_SYMLINK:
case FUSE_MKNOD: { /* mknod_in, bytez[] -> entry_out */
- struct fuse_mknod_in *req = data;
- char *path, buffer[PATH_BUFFER_SIZE];
- char *name = ((char*) data) + sizeof(*req);
- int res;
-
- TRACE("MKNOD %s @ %llx\n", name, hdr->nodeid);
- path = node_get_path(node, buffer, name);
-
- req->mode = (req->mode & (~0777)) | 0664;
- res = mknod(path, req->mode, req->rdev); /* XXX perm?*/
- if (res < 0) {
- fuse_status(fuse, hdr->unique, -errno);
- } else {
- lookup_entry(fuse, node, name, hdr->unique);
- }
- return;
+ const struct fuse_mknod_in *req = data;
+ const char *name = ((const char*) data) + sizeof(*req);
+ return handle_mknod(fuse, handler, hdr, req, name);
}
+
case FUSE_MKDIR: { /* mkdir_in, bytez[] -> entry_out */
- struct fuse_mkdir_in *req = data;
- struct fuse_entry_out out;
- char *path, buffer[PATH_BUFFER_SIZE];
- char *name = ((char*) data) + sizeof(*req);
- int res;
-
- TRACE("MKDIR %s @ %llx 0%o\n", name, hdr->nodeid, req->mode);
- path = node_get_path(node, buffer, name);
-
- req->mode = (req->mode & (~0777)) | 0775;
- res = mkdir(path, req->mode);
- if (res < 0) {
- fuse_status(fuse, hdr->unique, -errno);
- } else {
- lookup_entry(fuse, node, name, hdr->unique);
- }
- return;
+ const struct fuse_mkdir_in *req = data;
+ const char *name = ((const char*) data) + sizeof(*req);
+ return handle_mkdir(fuse, handler, hdr, req, name);
}
+
case FUSE_UNLINK: { /* bytez[] -> */
- char *path, buffer[PATH_BUFFER_SIZE];
- int res;
- TRACE("UNLINK %s @ %llx\n", (char*) data, hdr->nodeid);
- path = node_get_path(node, buffer, (char*) data);
- res = unlink(path);
- fuse_status(fuse, hdr->unique, res ? -errno : 0);
- return;
+ const char* name = data;
+ return handle_unlink(fuse, handler, hdr, name);
}
+
case FUSE_RMDIR: { /* bytez[] -> */
- char *path, buffer[PATH_BUFFER_SIZE];
- int res;
- TRACE("RMDIR %s @ %llx\n", (char*) data, hdr->nodeid);
- path = node_get_path(node, buffer, (char*) data);
- res = rmdir(path);
- fuse_status(fuse, hdr->unique, res ? -errno : 0);
- return;
+ const char* name = data;
+ return handle_rmdir(fuse, handler, hdr, name);
}
+
case FUSE_RENAME: { /* rename_in, oldname, newname -> */
- struct fuse_rename_in *req = data;
- char *oldname = ((char*) data) + sizeof(*req);
- char *newname = oldname + strlen(oldname) + 1;
- char *oldpath, oldbuffer[PATH_BUFFER_SIZE];
- char *newpath, newbuffer[PATH_BUFFER_SIZE];
- struct node *target;
- struct node *newparent;
- int res;
-
- TRACE("RENAME %s->%s @ %llx\n", oldname, newname, hdr->nodeid);
-
- target = lookup_child_by_name(node, oldname);
- if (!target) {
- fuse_status(fuse, hdr->unique, -ENOENT);
- return;
- }
- oldpath = node_get_path(node, oldbuffer, oldname);
-
- newparent = lookup_by_inode(fuse, req->newdir);
- if (!newparent) {
- fuse_status(fuse, hdr->unique, -ENOENT);
- return;
- }
- if (newparent == node) {
- /* Special case for renaming a file where destination
- * is same path differing only by case.
- * In this case we don't want to look for a case insensitive match.
- * This allows commands like "mv foo FOO" to work as expected.
- */
- newpath = do_node_get_path(newparent, newbuffer, newname, NO_CASE_SENSITIVE_MATCH);
- } else {
- newpath = node_get_path(newparent, newbuffer, newname);
- }
-
- if (!remove_child(node, target->nid)) {
- ERROR("RENAME remove_child not found");
- fuse_status(fuse, hdr->unique, -ENOENT);
- return;
- }
- if (!rename_node(target, newname)) {
- fuse_status(fuse, hdr->unique, -ENOMEM);
- return;
- }
- add_node_to_parent(target, newparent);
-
- res = rename(oldpath, newpath);
- TRACE("RENAME result %d\n", res);
-
- fuse_status(fuse, hdr->unique, res ? -errno : 0);
- return;
+ const struct fuse_rename_in *req = data;
+ const char *old_name = ((const char*) data) + sizeof(*req);
+ const char *new_name = old_name + strlen(old_name) + 1;
+ return handle_rename(fuse, handler, hdr, req, old_name, new_name);
}
-// case FUSE_LINK:
+
+// case FUSE_LINK:
case FUSE_OPEN: { /* open_in -> open_out */
- struct fuse_open_in *req = data;
- struct fuse_open_out out;
- char *path, buffer[PATH_BUFFER_SIZE];
- struct handle *h;
-
- h = malloc(sizeof(*h));
- if (!h) {
- fuse_status(fuse, hdr->unique, -ENOMEM);
- return;
- }
-
- path = node_get_path(node, buffer, 0);
- TRACE("OPEN %llx '%s' 0%o fh=%p\n", hdr->nodeid, path, req->flags, h);
- h->fd = open(path, req->flags);
- if (h->fd < 0) {
- ERROR("ERROR\n");
- fuse_status(fuse, hdr->unique, -errno);
- free(h);
- return;
- }
- out.fh = ptr_to_id(h);
- out.open_flags = 0;
- out.padding = 0;
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ const struct fuse_open_in *req = data;
+ return handle_open(fuse, handler, hdr, req);
}
+
case FUSE_READ: { /* read_in -> byte[] */
- char buffer[128 * 1024];
- struct fuse_read_in *req = data;
- struct handle *h = id_to_ptr(req->fh);
- int res;
- TRACE("READ %p(%d) %u@%llu\n", h, h->fd, req->size, req->offset);
- if (req->size > sizeof(buffer)) {
- fuse_status(fuse, hdr->unique, -EINVAL);
- return;
- }
- res = pread64(h->fd, buffer, req->size, req->offset);
- if (res < 0) {
- fuse_status(fuse, hdr->unique, -errno);
- return;
- }
- fuse_reply(fuse, hdr->unique, buffer, res);
- return;
+ const struct fuse_read_in *req = data;
+ return handle_read(fuse, handler, hdr, req);
}
+
case FUSE_WRITE: { /* write_in, byte[write_in.size] -> write_out */
- struct fuse_write_in *req = data;
- struct fuse_write_out out;
- struct handle *h = id_to_ptr(req->fh);
- int res;
- TRACE("WRITE %p(%d) %u@%llu\n", h, h->fd, req->size, req->offset);
- res = pwrite64(h->fd, ((char*) data) + sizeof(*req), req->size, req->offset);
- if (res < 0) {
- fuse_status(fuse, hdr->unique, -errno);
- return;
- }
- out.size = res;
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- goto oops;
+ const struct fuse_write_in *req = data;
+ const void* buffer = (const __u8*)data + sizeof(*req);
+ return handle_write(fuse, handler, hdr, req, buffer);
}
+
case FUSE_STATFS: { /* getattr_in -> attr_out */
- struct statfs stat;
- struct fuse_statfs_out out;
- int res;
-
- TRACE("STATFS\n");
-
- if (statfs(fuse->root.name, &stat)) {
- fuse_status(fuse, hdr->unique, -errno);
- return;
- }
-
- memset(&out, 0, sizeof(out));
- out.st.blocks = stat.f_blocks;
- out.st.bfree = stat.f_bfree;
- out.st.bavail = stat.f_bavail;
- out.st.files = stat.f_files;
- out.st.ffree = stat.f_ffree;
- out.st.bsize = stat.f_bsize;
- out.st.namelen = stat.f_namelen;
- out.st.frsize = stat.f_frsize;
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ return handle_statfs(fuse, handler, hdr);
}
+
case FUSE_RELEASE: { /* release_in -> */
- struct fuse_release_in *req = data;
- struct handle *h = id_to_ptr(req->fh);
- TRACE("RELEASE %p(%d)\n", h, h->fd);
- close(h->fd);
- free(h);
- fuse_status(fuse, hdr->unique, 0);
- return;
+ const struct fuse_release_in *req = data;
+ return handle_release(fuse, handler, hdr, req);
}
-// case FUSE_FSYNC:
+
+ case FUSE_FSYNC: {
+ const struct fuse_fsync_in *req = data;
+ return handle_fsync(fuse, handler, hdr, req);
+ }
+
// case FUSE_SETXATTR:
// case FUSE_GETXATTR:
// case FUSE_LISTXATTR:
// case FUSE_REMOVEXATTR:
- case FUSE_FLUSH:
- fuse_status(fuse, hdr->unique, 0);
- return;
+ case FUSE_FLUSH: {
+ return handle_flush(fuse, handler, hdr);
+ }
+
case FUSE_OPENDIR: { /* open_in -> open_out */
- struct fuse_open_in *req = data;
- struct fuse_open_out out;
- char *path, buffer[PATH_BUFFER_SIZE];
- struct dirhandle *h;
-
- h = malloc(sizeof(*h));
- if (!h) {
- fuse_status(fuse, hdr->unique, -ENOMEM);
- return;
- }
-
- path = node_get_path(node, buffer, 0);
- TRACE("OPENDIR %llx '%s'\n", hdr->nodeid, path);
- h->d = opendir(path);
- if (h->d == 0) {
- ERROR("ERROR\n");
- fuse_status(fuse, hdr->unique, -errno);
- free(h);
- return;
- }
- out.fh = ptr_to_id(h);
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ const struct fuse_open_in *req = data;
+ return handle_opendir(fuse, handler, hdr, req);
}
+
case FUSE_READDIR: {
- struct fuse_read_in *req = data;
- char buffer[8192];
- struct fuse_dirent *fde = (struct fuse_dirent*) buffer;
- struct dirent *de;
- struct dirhandle *h = id_to_ptr(req->fh);
- TRACE("READDIR %p\n", h);
- if (req->offset == 0) {
- /* rewinddir() might have been called above us, so rewind here too */
- TRACE("calling rewinddir()\n");
- rewinddir(h->d);
- }
- de = readdir(h->d);
- if (!de) {
- fuse_status(fuse, hdr->unique, 0);
- return;
- }
- fde->ino = FUSE_UNKNOWN_INO;
- /* increment the offset so we can detect when rewinddir() seeks back to the beginning */
- fde->off = req->offset + 1;
- fde->type = de->d_type;
- fde->namelen = strlen(de->d_name);
- memcpy(fde->name, de->d_name, fde->namelen + 1);
- fuse_reply(fuse, hdr->unique, fde,
- FUSE_DIRENT_ALIGN(sizeof(struct fuse_dirent) + fde->namelen));
- return;
+ const struct fuse_read_in *req = data;
+ return handle_readdir(fuse, handler, hdr, req);
}
+
case FUSE_RELEASEDIR: { /* release_in -> */
- struct fuse_release_in *req = data;
- struct dirhandle *h = id_to_ptr(req->fh);
- TRACE("RELEASEDIR %p\n",h);
- closedir(h->d);
- free(h);
- fuse_status(fuse, hdr->unique, 0);
- return;
+ const struct fuse_release_in *req = data;
+ return handle_releasedir(fuse, handler, hdr, req);
}
+
// case FUSE_FSYNCDIR:
case FUSE_INIT: { /* init_in -> init_out */
- struct fuse_init_in *req = data;
- struct fuse_init_out out;
-
- TRACE("INIT ver=%d.%d maxread=%d flags=%x\n",
- req->major, req->minor, req->max_readahead, req->flags);
-
- out.major = FUSE_KERNEL_VERSION;
- out.minor = FUSE_KERNEL_MINOR_VERSION;
- out.max_readahead = req->max_readahead;
- out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;
- out.max_background = 32;
- out.congestion_threshold = 32;
- out.max_write = 256 * 1024;
-
- fuse_reply(fuse, hdr->unique, &out, sizeof(out));
- return;
+ const struct fuse_init_in *req = data;
+ return handle_init(fuse, handler, hdr, req);
}
+
default: {
- struct fuse_out_header h;
- ERROR("NOTIMPL op=%d uniq=%llx nid=%llx\n",
- hdr->opcode, hdr->unique, hdr->nodeid);
-
- oops:
- h.len = sizeof(h);
- h.error = -ENOSYS;
- h.unique = hdr->unique;
- write(fuse->fd, &h, sizeof(h));
- break;
+ TRACE("[%d] NOTIMPL op=%d uniq=%llx nid=%llx\n",
+ handler->token, hdr->opcode, hdr->unique, hdr->nodeid);
+ return -ENOSYS;
}
- }
+ }
}
-void handle_fuse_requests(struct fuse *fuse)
+static void handle_fuse_requests(struct fuse_handler* handler)
{
- unsigned char req[256 * 1024 + 128];
- int len;
-
+ struct fuse* fuse = handler->fuse;
for (;;) {
- len = read(fuse->fd, req, sizeof(req));
+ ssize_t len = read(fuse->fd,
+ handler->request_buffer, sizeof(handler->request_buffer));
if (len < 0) {
- if (errno == EINTR)
- continue;
- ERROR("handle_fuse_requests: errno=%d\n", errno);
- return;
+ if (errno != EINTR) {
+ ERROR("[%d] handle_fuse_requests: errno=%d\n", handler->token, errno);
+ }
+ continue;
}
- handle_fuse_request(fuse, (void*) req, (void*) (req + sizeof(struct fuse_in_header)), len);
+
+ if ((size_t)len < sizeof(struct fuse_in_header)) {
+ ERROR("[%d] request too short: len=%zu\n", handler->token, (size_t)len);
+ continue;
+ }
+
+ const struct fuse_in_header *hdr = (void*)handler->request_buffer;
+ if (hdr->len != (size_t)len) {
+ ERROR("[%d] malformed header: len=%zu, hdr->len=%u\n",
+ handler->token, (size_t)len, hdr->len);
+ continue;
+ }
+
+ const void *data = handler->request_buffer + sizeof(struct fuse_in_header);
+ size_t data_len = len - sizeof(struct fuse_in_header);
+ __u64 unique = hdr->unique;
+ int res = handle_fuse_request(fuse, handler, hdr, data, data_len);
+
+ /* We do not access the request again after this point because the underlying
+ * buffer storage may have been reused while processing the request. */
+
+ if (res != NO_STATUS) {
+ if (res) {
+ TRACE("[%d] ERROR %d\n", handler->token, res);
+ }
+ fuse_status(fuse, unique, res);
+ }
}
}
+static void* start_handler(void* data)
+{
+ struct fuse_handler* handler = data;
+ handle_fuse_requests(handler);
+ return NULL;
+}
+
+static int ignite_fuse(struct fuse* fuse, int num_threads)
+{
+ struct fuse_handler* handlers;
+ int i;
+
+ handlers = malloc(num_threads * sizeof(struct fuse_handler));
+ if (!handlers) {
+ ERROR("cannot allocate storage for threads");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < num_threads; i++) {
+ handlers[i].fuse = fuse;
+ handlers[i].token = i;
+ }
+
+ for (i = 1; i < num_threads; i++) {
+ pthread_t thread;
+ int res = pthread_create(&thread, NULL, start_handler, &handlers[i]);
+ if (res) {
+ ERROR("failed to start thread #%d, error=%d", i, res);
+ goto quit;
+ }
+ }
+ handle_fuse_requests(&handlers[0]);
+ ERROR("terminated prematurely");
+
+ /* don't bother killing all of the other threads or freeing anything,
+ * should never get here anyhow */
+quit:
+ exit(1);
+}
+
static int usage()
{
- ERROR("usage: sdcard [-l -f] <path> <uid> <gid>\n\n\t-l force file names to lower case when creating new files\n\t-f fix up file system before starting (repairs bad file name case and group ownership)\n");
- return -1;
+ ERROR("usage: sdcard [-t<threads>] <path> <uid> <gid>\n"
+ " -t<threads>: specify number of threads to use, default -t%d\n"
+ "\n", DEFAULT_NUM_THREADS);
+ return 1;
+}
+
+static int run(const char* path, uid_t uid, gid_t gid, int num_threads)
+{
+ int fd;
+ char opts[256];
+ int res;
+ struct fuse fuse;
+
+ /* cleanup from previous instance, if necessary */
+ umount2(MOUNT_POINT, 2);
+
+ fd = open("/dev/fuse", O_RDWR);
+ if (fd < 0){
+ ERROR("cannot open fuse device (error %d)\n", errno);
+ return -1;
+ }
+
+ snprintf(opts, sizeof(opts),
+ "fd=%i,rootmode=40000,default_permissions,allow_other,user_id=%d,group_id=%d",
+ fd, uid, gid);
+
+ res = mount("/dev/fuse", MOUNT_POINT, "fuse", MS_NOSUID | MS_NODEV, opts);
+ if (res < 0) {
+ ERROR("cannot mount fuse filesystem (error %d)\n", errno);
+ goto error;
+ }
+
+ res = setgid(gid);
+ if (res < 0) {
+ ERROR("cannot setgid (error %d)\n", errno);
+ goto error;
+ }
+
+ res = setuid(uid);
+ if (res < 0) {
+ ERROR("cannot setuid (error %d)\n", errno);
+ goto error;
+ }
+
+ fuse_init(&fuse, fd, path);
+
+ umask(0);
+ res = ignite_fuse(&fuse, num_threads);
+
+ /* we do not attempt to umount the file system here because we are no longer
+ * running as the root user */
+
+error:
+ close(fd);
+ return res;
}
int main(int argc, char **argv)
{
- struct fuse fuse;
- char opts[256];
- int fd;
int res;
const char *path = NULL;
+ uid_t uid = 0;
+ gid_t gid = 0;
+ int num_threads = DEFAULT_NUM_THREADS;
int i;
for (i = 1; i < argc; i++) {
char* arg = argv[i];
- if (!path)
+ if (!strncmp(arg, "-t", 2))
+ num_threads = strtoul(arg + 2, 0, 10);
+ else if (!path)
path = arg;
- else if (uid == -1)
+ else if (!uid)
uid = strtoul(arg, 0, 10);
- else if (gid == -1)
+ else if (!gid)
gid = strtoul(arg, 0, 10);
else {
ERROR("too many arguments\n");
@@ -985,42 +1330,15 @@
ERROR("no path specified\n");
return usage();
}
- if (uid <= 0 || gid <= 0) {
+ if (!uid || !gid) {
ERROR("uid and gid must be nonzero\n");
return usage();
}
-
- /* cleanup from previous instance, if necessary */
- umount2(MOUNT_POINT, 2);
-
- fd = open("/dev/fuse", O_RDWR);
- if (fd < 0){
- ERROR("cannot open fuse device (%d)\n", errno);
- return -1;
+ if (num_threads < 1) {
+ ERROR("number of threads must be at least 1\n");
+ return usage();
}
- sprintf(opts, "fd=%i,rootmode=40000,default_permissions,allow_other,"
- "user_id=%d,group_id=%d", fd, uid, gid);
-
- res = mount("/dev/fuse", MOUNT_POINT, "fuse", MS_NOSUID | MS_NODEV, opts);
- if (res < 0) {
- ERROR("cannot mount fuse filesystem (%d)\n", errno);
- return -1;
- }
-
- if (setgid(gid) < 0) {
- ERROR("cannot setgid!\n");
- return -1;
- }
- if (setuid(uid) < 0) {
- ERROR("cannot setuid!\n");
- return -1;
- }
-
- fuse_init(&fuse, fd, path);
-
- umask(0);
- handle_fuse_requests(&fuse);
-
- return 0;
+ res = run(path, uid, gid, num_threads);
+ return res < 0 ? 1 : 0;
}
diff --git a/toolbox/dd.c b/toolbox/dd.c
index c6af3ea..53a6206 100644
--- a/toolbox/dd.c
+++ b/toolbox/dd.c
@@ -64,7 +64,7 @@
#include "dd.h"
-#define NO_CONV
+//#define NO_CONV
//#include "extern.h"
void block(void);
@@ -91,12 +91,9 @@
extern u_int files_cnt;
extern int progress;
extern const u_char *ctab;
-extern const u_char a2e_32V[], a2e_POSIX[];
-extern const u_char e2a_32V[], e2a_POSIX[];
-extern const u_char a2ibm_32V[], a2ibm_POSIX[];
-extern u_char casetab[];
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
static void dd_close(void);
@@ -243,42 +240,6 @@
if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK))
(void)ftruncate(out.fd, (off_t)out.offset * out.dbsz);
- /*
- * If converting case at the same time as another conversion, build a
- * table that does both at once. If just converting case, use the
- * built-in tables.
- */
- if (ddflags & (C_LCASE|C_UCASE)) {
-#ifdef NO_CONV
- /* Should not get here, but just in case... */
- fprintf(stderr, "case conv and -DNO_CONV\n");
- exit(1);
- /* NOTREACHED */
-#else /* NO_CONV */
- u_int cnt;
-
- if (ddflags & C_ASCII || ddflags & C_EBCDIC) {
- if (ddflags & C_LCASE) {
- for (cnt = 0; cnt < 0377; ++cnt)
- casetab[cnt] = tolower(ctab[cnt]);
- } else {
- for (cnt = 0; cnt < 0377; ++cnt)
- casetab[cnt] = toupper(ctab[cnt]);
- }
- } else {
- if (ddflags & C_LCASE) {
- for (cnt = 0; cnt < 0377; ++cnt)
- casetab[cnt] = tolower(cnt);
- } else {
- for (cnt = 0; cnt < 0377; ++cnt)
- casetab[cnt] = toupper(cnt);
- }
- }
-
- ctab = casetab;
-#endif /* NO_CONV */
- }
-
(void)gettimeofday(&st.start, NULL); /* Statistics timestamp. */
}
@@ -796,6 +757,9 @@
void
def_close(void)
{
+ if (ddflags & C_FDATASYNC) {
+ fdatasync(out.fd);
+ }
/* Just update the count, everything is already in the buffer. */
if (in.dbcnt)
@@ -1301,21 +1265,14 @@
u_int set, noset;
const u_char *ctab;
} clist[] = {
- { "ascii", C_ASCII, C_EBCDIC, e2a_POSIX },
{ "block", C_BLOCK, C_UNBLOCK, NULL },
- { "ebcdic", C_EBCDIC, C_ASCII, a2e_POSIX },
- { "ibm", C_EBCDIC, C_ASCII, a2ibm_POSIX },
- { "lcase", C_LCASE, C_UCASE, NULL },
+ { "fdatasync", C_FDATASYNC, 0, NULL },
{ "noerror", C_NOERROR, 0, NULL },
{ "notrunc", C_NOTRUNC, 0, NULL },
- { "oldascii", C_ASCII, C_EBCDIC, e2a_32V },
- { "oldebcdic", C_EBCDIC, C_ASCII, a2e_32V },
- { "oldibm", C_EBCDIC, C_ASCII, a2ibm_32V },
{ "osync", C_OSYNC, C_BS, NULL },
{ "sparse", C_SPARSE, 0, NULL },
{ "swab", C_SWAB, 0, NULL },
{ "sync", C_SYNC, 0, NULL },
- { "ucase", C_UCASE, C_LCASE, NULL },
{ "unblock", C_UNBLOCK, C_BLOCK, NULL },
/* If you add items to this table, be sure to add the
* conversions to the C_BS check in the jcl routine above.
diff --git a/toolbox/dd.h b/toolbox/dd.h
index cca1024..89f2833 100644
--- a/toolbox/dd.h
+++ b/toolbox/dd.h
@@ -91,3 +91,4 @@
#define C_UNBLOCK 0x80000
#define C_OSYNC 0x100000
#define C_SPARSE 0x200000
+#define C_FDATASYNC 0x400000
diff --git a/toolbox/powerd.c b/toolbox/powerd.c
deleted file mode 100644
index 1f29a8b..0000000
--- a/toolbox/powerd.c
+++ /dev/null
@@ -1,441 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <time.h>
-#include <sys/select.h>
-#include <sys/inotify.h>
-
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-//#include <linux/input.h> // this does not compile
-
-// from <linux/input.h>
-
-struct input_event {
- struct timeval time;
- __u16 type;
- __u16 code;
- __s32 value;
-};
-
-#define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */
-#define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */
-#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */
-#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */
-
-#define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */
-#define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */
-#define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */
-
-#define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global keystate */
-#define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */
-#define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */
-#define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */
-
-#define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */
-#define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */
-#define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */
-
-#define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */
-#define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */
-#define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */
-
-#define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */
-
-/*
- * Event types
- */
-
-#define EV_SYN 0x00
-#define EV_KEY 0x01
-#define EV_REL 0x02
-#define EV_ABS 0x03
-#define EV_MSC 0x04
-#define EV_SW 0x05
-#define EV_LED 0x11
-#define EV_SND 0x12
-#define EV_REP 0x14
-#define EV_FF 0x15
-#define EV_PWR 0x16
-#define EV_FF_STATUS 0x17
-#define EV_MAX 0x1f
-
-#define KEY_POWER 116
-#define KEY_SLEEP 142
-#define SW_0 0x00
-
-// end <linux/input.h>
-
-struct notify_entry {
- int id;
- int (*handler)(struct notify_entry *entry, struct inotify_event *event);
- const char *filename;
-};
-
-int charging_state_notify_handler(struct notify_entry *entry, struct inotify_event *event)
-{
- static int state = -1;
- int last_state;
- char buf[40];
- int read_len;
- int fd;
-
- last_state = state;
- fd = open(entry->filename, O_RDONLY);
- read_len = read(fd, buf, sizeof(buf));
- if(read_len > 0) {
- //printf("charging_state_notify_handler: \"%s\"\n", buf);
- state = !(strncmp(buf, "Unknown", 7) == 0
- || strncmp(buf, "Discharging", 11) == 0);
- }
- close(fd);
- //printf("charging_state_notify_handler: %d -> %d\n", last_state, state);
- return state > last_state;
-}
-
-struct notify_entry watched_files[] = {
- {
- .filename = "/sys/android_power/charging_state",
- .handler = charging_state_notify_handler
- }
-};
-
-int call_notify_handler(struct inotify_event *event)
-{
- unsigned int start, i;
- start = event->wd - watched_files[0].id;
- if(start >= ARRAY_SIZE(watched_files))
- start = 0;
- //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : "");
- for(i = start; i < ARRAY_SIZE(watched_files); i++) {
- if(event->wd == watched_files[i].id) {
- if(watched_files[i].handler) {
- return watched_files[i].handler(&watched_files[i], event);
- }
- return 1;
- }
- }
- for(i = 0; i < start; i++) {
- if(event->wd == watched_files[i].id) {
- if(watched_files[i].handler) {
- return watched_files[i].handler(&watched_files[i], event);
- }
- return 1;
- }
- }
- return 0;
-}
-
-int handle_inotify_event(int nfd)
-{
- int res;
- int wake_up = 0;
- struct inotify_event *event;
- char event_buf[512];
- int event_pos = 0;
-
- res = read(nfd, event_buf, sizeof(event_buf));
- if(res < (int)sizeof(*event)) {
- if(errno == EINTR)
- return 0;
- fprintf(stderr, "could not get event, %s\n", strerror(errno));
- return 0;
- }
- printf("got %d bytes of event information\n", res);
- while(res >= (int)sizeof(*event)) {
- int event_size;
- event = (struct inotify_event *)(event_buf + event_pos);
- wake_up |= call_notify_handler(event);
- event_size = sizeof(*event) + event->len;
- res -= event_size;
- event_pos += event_size;
- }
- return wake_up;
-}
-
-int powerd_main(int argc, char *argv[])
-{
- int c;
- unsigned int i;
- int res;
- struct timeval tv;
- int eventfd;
- int notifyfd;
- int powerfd;
- int powerfd_is_sleep;
- int user_activity_fd;
- int acquire_partial_wake_lock_fd;
- int acquire_full_wake_lock_fd;
- int release_wake_lock_fd;
- char *eventdev = "/dev/input/event0";
- const char *android_sleepdev = "/sys/android_power/request_sleep";
- const char *android_autooff_dev = "/sys/android_power/auto_off_timeout";
- const char *android_user_activity_dev = "/sys/android_power/last_user_activity";
- const char *android_acquire_partial_wake_lock_dev = "/sys/android_power/acquire_partial_wake_lock";
- const char *android_acquire_full_wake_lock_dev = "/sys/android_power/acquire_full_wake_lock";
- const char *android_release_wake_lock_dev = "/sys/android_power/release_wake_lock";
- const char *powerdev = "/sys/power/state";
- const char suspendstring[] = "standby";
- const char wakelockstring[] = "powerd";
- fd_set rfds;
- struct input_event event;
- struct input_event light_event;
- struct input_event light_event2;
- int gotkey = 1;
- time_t idle_time = 5;
- const char *idle_time_string = "5";
- time_t lcd_light_time = 0;
- time_t key_light_time = 0;
- int verbose = 1;
- int event_sleep = 0;
- int got_power_key_down = 0;
- struct timeval power_key_down_time = { 0, 0 };
-
- light_event.type = EV_LED;
- light_event.code = 4; // bright lcd backlight
- light_event.value = 0; // light off -- sleep after timeout
-
- light_event2.type = EV_LED;
- light_event2.code = 8; // keyboard backlight
- light_event2.value = 0; // light off -- sleep after timeout
-
- do {
- c = getopt(argc, argv, "e:ni:vql:k:");
- if (c == EOF)
- break;
- switch (c) {
- case 'e':
- eventdev = optarg;
- break;
- case 'n':
- gotkey = 0;
- break;
- case 'i':
- idle_time = atoi(optarg);
- idle_time_string = optarg;
- break;
- case 'v':
- verbose = 2;
- break;
- case 'q':
- verbose = 0;
- break;
- case 'l':
- lcd_light_time = atoi(optarg);
- break;
- case 'k':
- key_light_time = atoi(optarg);
- break;
- case '?':
- fprintf(stderr, "%s: invalid option -%c\n",
- argv[0], optopt);
- exit(1);
- }
- } while (1);
- if(optind != argc) {
- fprintf(stderr,"%s [-e eventdev]\n", argv[0]);
- return 1;
- }
-
- eventfd = open(eventdev, O_RDWR | O_NONBLOCK);
- if(eventfd < 0) {
- fprintf(stderr, "could not open %s, %s\n", eventdev, strerror(errno));
- return 1;
- }
- if(key_light_time >= lcd_light_time) {
- lcd_light_time = key_light_time + 1;
- fprintf(stderr,"lcd bright backlight time must be longer than keyboard backlight time.\n"
- "Setting lcd bright backlight time to %ld seconds\n", lcd_light_time);
- }
-
- user_activity_fd = open(android_user_activity_dev, O_RDWR);
- if(user_activity_fd >= 0) {
- int auto_off_fd = open(android_autooff_dev, O_RDWR);
- write(auto_off_fd, idle_time_string, strlen(idle_time_string));
- close(auto_off_fd);
- }
-
- powerfd = open(android_sleepdev, O_RDWR);
- if(powerfd >= 0) {
- powerfd_is_sleep = 1;
- if(verbose > 0)
- printf("Using android sleep dev: %s\n", android_sleepdev);
- }
- else {
- powerfd_is_sleep = 0;
- powerfd = open(powerdev, O_RDWR);
- if(powerfd >= 0) {
- if(verbose > 0)
- printf("Using linux power dev: %s\n", powerdev);
- }
- }
- if(powerfd < 0) {
- fprintf(stderr, "could not open %s, %s\n", powerdev, strerror(errno));
- return 1;
- }
-
- notifyfd = inotify_init();
- if(notifyfd < 0) {
- fprintf(stderr, "inotify_init failed, %s\n", strerror(errno));
- return 1;
- }
- fcntl(notifyfd, F_SETFL, O_NONBLOCK | fcntl(notifyfd, F_GETFL));
- for(i = 0; i < ARRAY_SIZE(watched_files); i++) {
- watched_files[i].id = inotify_add_watch(notifyfd, watched_files[i].filename, IN_MODIFY);
- printf("Watching %s, id %d\n", watched_files[i].filename, watched_files[i].id);
- }
-
- acquire_partial_wake_lock_fd = open(android_acquire_partial_wake_lock_dev, O_RDWR);
- acquire_full_wake_lock_fd = open(android_acquire_full_wake_lock_dev, O_RDWR);
- release_wake_lock_fd = open(android_release_wake_lock_dev, O_RDWR);
-
- if(user_activity_fd >= 0) {
- idle_time = 60*60*24; // driver handles real timeout
- }
- if(gotkey) {
- tv.tv_sec = idle_time;
- tv.tv_usec = 0;
- }
- else {
- tv.tv_sec = 0;
- tv.tv_usec = 500000;
- }
-
- while(1) {
- FD_ZERO(&rfds);
- //FD_SET(0, &rfds);
- FD_SET(eventfd, &rfds);
- FD_SET(notifyfd, &rfds);
- res = select(((notifyfd > eventfd) ? notifyfd : eventfd) + 1, &rfds, NULL, NULL, &tv);
- if(res < 0) {
- fprintf(stderr, "select failed, %s\n", strerror(errno));
- return 1;
- }
- if(res == 0) {
- if(light_event2.value == 1)
- goto light2_off;
- if(light_event.value == 1)
- goto light_off;
- if(user_activity_fd < 0) {
- if(gotkey && verbose > 0)
- printf("Idle - sleep\n");
- if(!gotkey && verbose > 1)
- printf("Reenter sleep\n");
- goto sleep;
- }
- else {
- tv.tv_sec = 60*60*24;
- tv.tv_usec = 0;
- }
- }
- if(res > 0) {
- //if(FD_ISSET(0, &rfds)) {
- // printf("goto data on stdin quit\n");
- // return 0;
- //}
- if(FD_ISSET(notifyfd, &rfds)) {
- write(acquire_partial_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- if(handle_inotify_event(notifyfd) > 0) {
- write(acquire_full_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- if(FD_ISSET(eventfd, &rfds)) {
- write(acquire_partial_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- res = read(eventfd, &event, sizeof(event));
- if(res < (int)sizeof(event)) {
- fprintf(stderr, "could not get event\n");
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- return 1;
- }
- if(event.type == EV_PWR && event.code == KEY_SLEEP) {
- event_sleep = event.value;
- }
- if(event.type == EV_KEY || (event.type == EV_SW && event.code == SW_0 && event.value == 1)) {
- gotkey = 1;
- if(user_activity_fd >= 0) {
- char buf[32];
- int len;
- len = sprintf(buf, "%ld%06lu000", event.time.tv_sec, event.time.tv_usec);
- write(user_activity_fd, buf, len);
- }
- if(lcd_light_time | key_light_time) {
- tv.tv_sec = key_light_time;
- light_event.value = 1;
- write(eventfd, &light_event, sizeof(light_event));
- light_event2.value = 1;
- write(eventfd, &light_event2, sizeof(light_event2));
- }
- else {
- tv.tv_sec = idle_time;
- }
- tv.tv_usec = 0;
- if(verbose > 1)
- printf("got %s %s %d%s\n", event.type == EV_KEY ? "key" : "switch", event.value ? "down" : "up", event.code, event_sleep ? " from sleep" : "");
- if(event.code == KEY_POWER) {
- if(event.value == 0) {
- int tmp_got_power_key_down = got_power_key_down;
- got_power_key_down = 0;
- if(tmp_got_power_key_down) {
- // power key released
- if(verbose > 0)
- printf("Power key released - sleep\n");
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- goto sleep;
- }
- }
- else if(event_sleep == 0) {
- got_power_key_down = 1;
- power_key_down_time = event.time;
- }
- }
- }
- if(event.type == EV_SW && event.code == SW_0 && event.value == 0) {
- if(verbose > 0)
- printf("Flip closed - sleep\n");
- power_key_down_time = event.time;
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- goto sleep;
- }
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- }
- if(0) {
-light_off:
- light_event.value = 0;
- write(eventfd, &light_event, sizeof(light_event));
- tv.tv_sec = idle_time - lcd_light_time;
- }
- if(0) {
-light2_off:
- light_event2.value = 0;
- write(eventfd, &light_event2, sizeof(light_event2));
- tv.tv_sec = lcd_light_time - key_light_time;
- }
- if(0) {
-sleep:
- if(light_event.value == 1) {
- light_event.value = 0;
- write(eventfd, &light_event, sizeof(light_event));
- light_event2.value = 0;
- write(eventfd, &light_event2, sizeof(light_event2));
- tv.tv_sec = idle_time - lcd_light_time;
- }
- if(powerfd_is_sleep) {
- char buf[32];
- int len;
- len = sprintf(buf, "%ld%06lu000", power_key_down_time.tv_sec, power_key_down_time.tv_usec);
- write(powerfd, buf, len);
- }
- else
- write(powerfd, suspendstring, sizeof(suspendstring) - 1);
- gotkey = 0;
- tv.tv_sec = 0;
- tv.tv_usec = 500000;
- }
- }
-
- return 0;
-}
diff --git a/toolbox/rm.c b/toolbox/rm.c
index bd66311..3a24bec 100644
--- a/toolbox/rm.c
+++ b/toolbox/rm.c
@@ -7,14 +7,17 @@
#include <sys/stat.h>
#include <sys/types.h>
+#define OPT_RECURSIVE 1
+#define OPT_FORCE 2
+
static int usage()
{
- fprintf(stderr,"rm [-rR] <target>\n");
+ fprintf(stderr,"Usage: rm [-rR] [-f] <target>\n");
return -1;
}
/* return -1 on failure, with errno set to the first error */
-static int unlink_recursive(const char* name)
+static int unlink_recursive(const char* name, int flags)
{
struct stat st;
DIR *dir;
@@ -23,7 +26,7 @@
/* is it a file or directory? */
if (lstat(name, &st) < 0)
- return -1;
+ return ((flags & OPT_FORCE) && errno == ENOENT) ? 0 : -1;
/* a file, so unlink it */
if (!S_ISDIR(st.st_mode))
@@ -41,7 +44,7 @@
if (!strcmp(de->d_name, "..") || !strcmp(de->d_name, "."))
continue;
sprintf(dn, "%s/%s", name, de->d_name);
- if (unlink_recursive(dn) < 0) {
+ if (unlink_recursive(dn, flags) < 0) {
fail = 1;
break;
}
@@ -66,21 +69,45 @@
int rm_main(int argc, char *argv[])
{
int ret;
- int i = 1;
- int recursive = 0;
+ int i, c;
+ int flags = 0;
if (argc < 2)
return usage();
- /* check if recursive */
- if (argc >=2 && (!strcmp(argv[1], "-r") || !strcmp(argv[1], "-R"))) {
- recursive = 1;
- i = 2;
+ /* check flags */
+ do {
+ c = getopt(argc, argv, "frR");
+ if (c == EOF)
+ break;
+ switch (c) {
+ case 'f':
+ flags |= OPT_FORCE;
+ break;
+ case 'r':
+ case 'R':
+ flags |= OPT_RECURSIVE;
+ break;
+ }
+ } while (1);
+
+ if (optind < 1 || optind >= argc) {
+ usage();
+ return -1;
}
-
+
/* loop over the file/directory args */
- for (; i < argc; i++) {
- int ret = recursive ? unlink_recursive(argv[i]) : unlink(argv[i]);
+ for (i = optind; i < argc; i++) {
+
+ if (flags & OPT_RECURSIVE) {
+ ret = unlink_recursive(argv[i], flags);
+ } else {
+ ret = unlink(argv[i]);
+ if (errno == ENOENT && (flags & OPT_FORCE)) {
+ return 0;
+ }
+ }
+
if (ret < 0) {
fprintf(stderr, "rm failed for %s, %s\n", argv[i], strerror(errno));
return -1;