The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /* this file contains system-dependent definitions used by ADB |
| 18 | * they're related to threads, sockets and file descriptors |
| 19 | */ |
| 20 | #ifndef _ADB_SYSDEPS_H |
| 21 | #define _ADB_SYSDEPS_H |
| 22 | |
| 23 | #ifdef __CYGWIN__ |
| 24 | # undef _WIN32 |
| 25 | #endif |
| 26 | |
Elliott Hughes | 381cfa9 | 2015-07-23 17:12:58 -0700 | [diff] [blame] | 27 | #include <errno.h> |
| 28 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 29 | #include <string> |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 30 | #include <vector> |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 31 | |
Josh Gao | 13ea01d | 2016-05-13 14:52:06 -0700 | [diff] [blame] | 32 | // Include this before open/close/unlink are defined as macros below. |
Josh Gao | 3b3e10d | 2016-02-09 14:59:09 -0800 | [diff] [blame] | 33 | #include <android-base/errors.h> |
Elliott Hughes | 3df2fa6 | 2017-11-28 18:05:27 -0800 | [diff] [blame] | 34 | #include <android-base/macros.h> |
Josh Gao | 13ea01d | 2016-05-13 14:52:06 -0700 | [diff] [blame] | 35 | #include <android-base/unique_fd.h> |
Elliott Hughes | 4f71319 | 2015-12-04 22:00:26 -0800 | [diff] [blame] | 36 | #include <android-base/utf8.h> |
Spencer Low | d21dc82 | 2015-11-12 15:20:15 -0800 | [diff] [blame] | 37 | |
Josh Gao | a3577e1 | 2016-12-05 13:24:48 -0800 | [diff] [blame] | 38 | #include "sysdeps/errno.h" |
Josh Gao | 46de1d7 | 2017-04-12 13:57:06 -0700 | [diff] [blame] | 39 | #include "sysdeps/network.h" |
Josh Gao | f551ea0 | 2016-07-28 18:09:48 -0700 | [diff] [blame] | 40 | #include "sysdeps/stat.h" |
| 41 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 42 | #ifdef _WIN32 |
| 43 | |
Josh Gao | a166e71 | 2016-01-29 12:08:34 -0800 | [diff] [blame] | 44 | // Clang-only nullability specifiers |
| 45 | #define _Nonnull |
| 46 | #define _Nullable |
| 47 | |
Dan Albert | 630b9af | 2014-11-24 23:34:35 -0800 | [diff] [blame] | 48 | #include <ctype.h> |
| 49 | #include <direct.h> |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 50 | #include <dirent.h> |
Dan Albert | 630b9af | 2014-11-24 23:34:35 -0800 | [diff] [blame] | 51 | #include <errno.h> |
| 52 | #include <fcntl.h> |
| 53 | #include <io.h> |
| 54 | #include <process.h> |
| 55 | #include <sys/stat.h> |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 56 | #include <utime.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 57 | #include <winsock2.h> |
Stephen Hines | 2f431a8 | 2014-10-01 17:37:06 -0700 | [diff] [blame] | 58 | #include <windows.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 59 | #include <ws2tcpip.h> |
Dan Albert | 630b9af | 2014-11-24 23:34:35 -0800 | [diff] [blame] | 60 | |
Spencer Low | 2122c7a | 2015-08-26 18:46:09 -0700 | [diff] [blame] | 61 | #include <memory> // unique_ptr |
Spencer Low | d21dc82 | 2015-11-12 15:20:15 -0800 | [diff] [blame] | 62 | #include <string> |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 63 | |
Dan Albert | 630b9af | 2014-11-24 23:34:35 -0800 | [diff] [blame] | 64 | #include "fdevent.h" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 65 | |
Elliott Hughes | 5c74270 | 2015-07-30 17:42:01 -0700 | [diff] [blame] | 66 | #define OS_PATH_SEPARATORS "\\/" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 67 | #define OS_PATH_SEPARATOR '\\' |
| 68 | #define OS_PATH_SEPARATOR_STR "\\" |
Benoit Goby | d5fcafa | 2012-04-12 12:23:49 -0700 | [diff] [blame] | 69 | #define ENV_PATH_SEPARATOR_STR ";" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 70 | |
Josh Gao | 07db119 | 2015-11-07 15:38:19 -0800 | [diff] [blame] | 71 | static __inline__ bool adb_is_separator(char c) { |
| 72 | return c == '\\' || c == '/'; |
| 73 | } |
| 74 | |
Siva Velusamy | 49ee7cf | 2015-08-28 16:37:29 -0700 | [diff] [blame] | 75 | static __inline__ int adb_thread_setname(const std::string& name) { |
| 76 | // TODO: See https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx for how to set |
| 77 | // the thread name in Windows. Unfortunately, it only works during debugging, but |
| 78 | // our build process doesn't generate PDB files needed for debugging. |
| 79 | return 0; |
| 80 | } |
| 81 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 82 | static __inline__ void close_on_exec(int fd) |
| 83 | { |
David 'Digit' Turner | f6330a2 | 2009-05-18 17:36:28 +0200 | [diff] [blame] | 84 | /* nothing really */ |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 85 | } |
| 86 | |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 87 | extern int adb_unlink(const char* path); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 88 | #undef unlink |
| 89 | #define unlink ___xxx_unlink |
| 90 | |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 91 | extern int adb_mkdir(const std::string& path, int mode); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 92 | #undef mkdir |
| 93 | #define mkdir ___xxx_mkdir |
| 94 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 95 | // See the comments for the !defined(_WIN32) versions of adb_*(). |
Josh Gao | 2e1e789 | 2018-03-23 13:03:28 -0700 | [diff] [blame] | 96 | extern int adb_open(const char* path, int options); |
| 97 | extern int adb_creat(const char* path, int mode); |
| 98 | extern int adb_read(int fd, void* buf, int len); |
| 99 | extern int adb_write(int fd, const void* buf, int len); |
| 100 | extern int adb_lseek(int fd, int pos, int where); |
| 101 | extern int adb_shutdown(int fd, int direction = SHUT_RDWR); |
| 102 | extern int adb_close(int fd); |
| 103 | extern int adb_register_socket(SOCKET s); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 104 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 105 | // See the comments for the !defined(_WIN32) version of unix_close(). |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 106 | static __inline__ int unix_close(int fd) |
| 107 | { |
| 108 | return close(fd); |
| 109 | } |
| 110 | #undef close |
| 111 | #define close ____xxx_close |
| 112 | |
Spencer Low | 2e02dc6 | 2015-11-07 17:34:39 -0800 | [diff] [blame] | 113 | // Like unix_read(), but may return EINTR. |
| 114 | extern int unix_read_interruptible(int fd, void* buf, size_t len); |
| 115 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 116 | // See the comments for the !defined(_WIN32) version of unix_read(). |
Spencer Low | 2e02dc6 | 2015-11-07 17:34:39 -0800 | [diff] [blame] | 117 | static __inline__ int unix_read(int fd, void* buf, size_t len) { |
| 118 | return TEMP_FAILURE_RETRY(unix_read_interruptible(fd, buf, len)); |
| 119 | } |
Spencer Low | 5018406 | 2015-03-01 15:06:21 -0800 | [diff] [blame] | 120 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 121 | #undef read |
| 122 | #define read ___xxx_read |
| 123 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 124 | // See the comments for the !defined(_WIN32) version of unix_write(). |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 125 | static __inline__ int unix_write(int fd, const void* buf, size_t len) |
| 126 | { |
| 127 | return write(fd, buf, len); |
| 128 | } |
| 129 | #undef write |
| 130 | #define write ___xxx_write |
| 131 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 132 | // See the comments for the !defined(_WIN32) version of adb_open_mode(). |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 133 | static __inline__ int adb_open_mode(const char* path, int options, int mode) |
| 134 | { |
David 'Digit' Turner | f6330a2 | 2009-05-18 17:36:28 +0200 | [diff] [blame] | 135 | return adb_open(path, options); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 136 | } |
| 137 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 138 | // See the comments for the !defined(_WIN32) version of unix_open(). |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 139 | extern int unix_open(const char* path, int options, ...); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 140 | #define open ___xxx_unix_open |
| 141 | |
David Pursell | c5b8ad8 | 2015-10-28 14:29:51 -0700 | [diff] [blame] | 142 | // Checks if |fd| corresponds to a console. |
| 143 | // Standard Windows isatty() returns 1 for both console FDs and character |
| 144 | // devices like NUL. unix_isatty() performs some extra checking to only match |
| 145 | // console FDs. |
| 146 | // |fd| must be a real file descriptor, meaning STDxx_FILENO or unix_open() FDs |
| 147 | // will work but adb_open() FDs will not. Additionally the OS handle associated |
| 148 | // with |fd| must have GENERIC_READ access (which console FDs have by default). |
| 149 | // Returns 1 if |fd| is a console FD, 0 otherwise. The value of errno after |
| 150 | // calling this function is unreliable and should not be used. |
| 151 | int unix_isatty(int fd); |
| 152 | #define isatty ___xxx_isatty |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 153 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 154 | int network_inaddr_any_server(int port, int type, std::string* error); |
Josh Gao | cfb2141 | 2016-08-24 18:38:44 -0700 | [diff] [blame] | 155 | |
| 156 | inline int network_local_client(const char* name, int namespace_id, int type, std::string* error) { |
| 157 | abort(); |
| 158 | } |
| 159 | |
| 160 | inline int network_local_server(const char* name, int namespace_id, int type, std::string* error) { |
| 161 | abort(); |
| 162 | } |
| 163 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 164 | int network_connect(const std::string& host, int port, int type, int timeout, |
| 165 | std::string* error); |
| 166 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 167 | extern int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen); |
| 168 | |
| 169 | #undef accept |
| 170 | #define accept ___xxx_accept |
| 171 | |
David Pursell | eaae97e | 2016-04-07 11:25:48 -0700 | [diff] [blame] | 172 | // Returns the local port number of a bound socket, or -1 on failure. |
| 173 | int adb_socket_get_local_port(int fd); |
| 174 | |
Spencer Low | f055c19 | 2015-01-25 14:40:16 -0800 | [diff] [blame] | 175 | extern int adb_setsockopt(int fd, int level, int optname, const void* optval, socklen_t optlen); |
| 176 | |
| 177 | #undef setsockopt |
| 178 | #define setsockopt ___xxx_setsockopt |
| 179 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 180 | extern int adb_socketpair( int sv[2] ); |
| 181 | |
Josh Gao | 3777d2e | 2016-02-16 17:34:53 -0800 | [diff] [blame] | 182 | struct adb_pollfd { |
| 183 | int fd; |
| 184 | short events; |
| 185 | short revents; |
| 186 | }; |
| 187 | extern int adb_poll(adb_pollfd* fds, size_t nfds, int timeout); |
| 188 | #define poll ___xxx_poll |
| 189 | |
Elliott Hughes | 5c74270 | 2015-07-30 17:42:01 -0700 | [diff] [blame] | 190 | static __inline__ int adb_is_absolute_host_path(const char* path) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 191 | return isalpha(path[0]) && path[1] == ':' && path[2] == '\\'; |
| 192 | } |
| 193 | |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 194 | // UTF-8 versions of POSIX APIs. |
| 195 | extern DIR* adb_opendir(const char* dirname); |
| 196 | extern struct dirent* adb_readdir(DIR* dir); |
| 197 | extern int adb_closedir(DIR* dir); |
| 198 | |
| 199 | extern int adb_utime(const char *, struct utimbuf *); |
| 200 | extern int adb_chmod(const char *, int); |
| 201 | |
Elliott Hughes | d8a4c60 | 2018-06-26 13:06:15 -0700 | [diff] [blame] | 202 | extern int adb_vfprintf(FILE* stream, const char* format, va_list ap) |
| 203 | __attribute__((__format__(__printf__, 2, 0))); |
| 204 | extern int adb_vprintf(const char* format, va_list ap) __attribute__((__format__(__printf__, 1, 0))); |
| 205 | extern int adb_fprintf(FILE* stream, const char* format, ...) |
| 206 | __attribute__((__format__(__printf__, 2, 3))); |
| 207 | extern int adb_printf(const char* format, ...) __attribute__((__format__(__printf__, 1, 2))); |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 208 | |
| 209 | extern int adb_fputs(const char* buf, FILE* stream); |
| 210 | extern int adb_fputc(int ch, FILE* stream); |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 211 | extern int adb_putchar(int ch); |
| 212 | extern int adb_puts(const char* buf); |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 213 | extern size_t adb_fwrite(const void* ptr, size_t size, size_t nmemb, |
| 214 | FILE* stream); |
| 215 | |
| 216 | extern FILE* adb_fopen(const char* f, const char* m); |
| 217 | |
| 218 | extern char* adb_getenv(const char* name); |
| 219 | |
| 220 | extern char* adb_getcwd(char* buf, int size); |
| 221 | |
| 222 | // Remap calls to POSIX APIs to our UTF-8 versions. |
| 223 | #define opendir adb_opendir |
| 224 | #define readdir adb_readdir |
| 225 | #define closedir adb_closedir |
| 226 | #define rewinddir rewinddir_utf8_not_yet_implemented |
| 227 | #define telldir telldir_utf8_not_yet_implemented |
Spencer Low | 363af56 | 2015-11-07 18:51:54 -0800 | [diff] [blame] | 228 | // Some compiler's C++ headers have members named seekdir, so we can't do the |
| 229 | // macro technique and instead cause a link error if seekdir is called. |
| 230 | inline void seekdir(DIR*, long) { |
| 231 | extern int seekdir_utf8_not_yet_implemented; |
| 232 | seekdir_utf8_not_yet_implemented = 1; |
| 233 | } |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 234 | |
| 235 | #define utime adb_utime |
| 236 | #define chmod adb_chmod |
| 237 | |
| 238 | #define vfprintf adb_vfprintf |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 239 | #define vprintf adb_vprintf |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 240 | #define fprintf adb_fprintf |
| 241 | #define printf adb_printf |
| 242 | #define fputs adb_fputs |
| 243 | #define fputc adb_fputc |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 244 | // putc may be a macro, so if so, undefine it, so that we can redefine it. |
| 245 | #undef putc |
| 246 | #define putc(c, s) adb_fputc(c, s) |
| 247 | #define putchar adb_putchar |
| 248 | #define puts adb_puts |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 249 | #define fwrite adb_fwrite |
| 250 | |
| 251 | #define fopen adb_fopen |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 252 | #define freopen freopen_utf8_not_yet_implemented |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 253 | |
| 254 | #define getenv adb_getenv |
| 255 | #define putenv putenv_utf8_not_yet_implemented |
| 256 | #define setenv setenv_utf8_not_yet_implemented |
| 257 | #define unsetenv unsetenv_utf8_not_yet_implemented |
| 258 | |
| 259 | #define getcwd adb_getcwd |
| 260 | |
Spencer Low | cf4ff64 | 2015-05-11 01:08:48 -0700 | [diff] [blame] | 261 | // Helper class to convert UTF-16 argv from wmain() to UTF-8 args that can be |
| 262 | // passed to main(). |
| 263 | class NarrowArgs { |
| 264 | public: |
| 265 | NarrowArgs(int argc, wchar_t** argv); |
| 266 | ~NarrowArgs(); |
| 267 | |
| 268 | inline char** data() { |
| 269 | return narrow_args; |
| 270 | } |
| 271 | |
| 272 | private: |
| 273 | char** narrow_args; |
| 274 | }; |
| 275 | |
Spencer Low | 5c398d2 | 2015-08-08 15:07:07 -0700 | [diff] [blame] | 276 | // Windows HANDLE values only use 32-bits of the type, even on 64-bit machines, |
| 277 | // so they can fit in an int. To convert back, we just need to sign-extend. |
| 278 | // https://msdn.microsoft.com/en-us/library/windows/desktop/aa384203%28v=vs.85%29.aspx |
| 279 | // Note that this does not make a HANDLE value work with APIs like open(), nor |
| 280 | // does this make a value from open() passable to APIs taking a HANDLE. This |
| 281 | // just lets you take a HANDLE, pass it around as an int, and then use it again |
| 282 | // as a HANDLE. |
| 283 | inline int cast_handle_to_int(const HANDLE h) { |
| 284 | // truncate |
| 285 | return static_cast<int>(reinterpret_cast<INT_PTR>(h)); |
| 286 | } |
| 287 | |
| 288 | inline HANDLE cast_int_to_handle(const int fd) { |
| 289 | // sign-extend |
| 290 | return reinterpret_cast<HANDLE>(static_cast<INT_PTR>(fd)); |
| 291 | } |
| 292 | |
Spencer Low | 2122c7a | 2015-08-26 18:46:09 -0700 | [diff] [blame] | 293 | // Deleter for unique_handle. Adapted from many sources, including: |
| 294 | // http://stackoverflow.com/questions/14841396/stdunique-ptr-deleters-and-the-win32-api |
| 295 | // https://visualstudiomagazine.com/articles/2013/09/01/get-a-handle-on-the-windows-api.aspx |
| 296 | class handle_deleter { |
| 297 | public: |
| 298 | typedef HANDLE pointer; |
| 299 | |
| 300 | void operator()(HANDLE h); |
| 301 | }; |
| 302 | |
| 303 | // Like std::unique_ptr, but for Windows HANDLE objects that should be |
| 304 | // CloseHandle()'d. Operator bool() only checks if the handle != nullptr, |
| 305 | // but does not check if the handle != INVALID_HANDLE_VALUE. |
| 306 | typedef std::unique_ptr<HANDLE, handle_deleter> unique_handle; |
| 307 | |
Spencer Low | a30b79a | 2015-11-15 16:29:36 -0800 | [diff] [blame] | 308 | namespace internal { |
| 309 | |
| 310 | size_t ParseCompleteUTF8(const char* first, const char* last, std::vector<char>* remaining_bytes); |
| 311 | |
| 312 | } |
| 313 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 314 | #else /* !_WIN32 a.k.a. Unix */ |
| 315 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 316 | #include <cutils/sockets.h> |
Spencer Low | 8d8126a | 2015-07-21 02:06:26 -0700 | [diff] [blame] | 317 | #include <cutils/threads.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 318 | #include <fcntl.h> |
Josh Gao | 3777d2e | 2016-02-16 17:34:53 -0800 | [diff] [blame] | 319 | #include <poll.h> |
| 320 | #include <signal.h> |
| 321 | #include <sys/stat.h> |
| 322 | #include <sys/wait.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 323 | |
| 324 | #include <pthread.h> |
| 325 | #include <unistd.h> |
| 326 | #include <fcntl.h> |
| 327 | #include <stdarg.h> |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 328 | #include <netdb.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 329 | #include <netinet/in.h> |
| 330 | #include <netinet/tcp.h> |
| 331 | #include <string.h> |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 332 | #include <unistd.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 333 | |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 334 | #include <string> |
| 335 | |
Elliott Hughes | 5c74270 | 2015-07-30 17:42:01 -0700 | [diff] [blame] | 336 | #define OS_PATH_SEPARATORS "/" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 337 | #define OS_PATH_SEPARATOR '/' |
| 338 | #define OS_PATH_SEPARATOR_STR "/" |
Benoit Goby | d5fcafa | 2012-04-12 12:23:49 -0700 | [diff] [blame] | 339 | #define ENV_PATH_SEPARATOR_STR ":" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 340 | |
Josh Gao | 07db119 | 2015-11-07 15:38:19 -0800 | [diff] [blame] | 341 | static __inline__ bool adb_is_separator(char c) { |
| 342 | return c == '/'; |
| 343 | } |
| 344 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 345 | static __inline__ void close_on_exec(int fd) |
| 346 | { |
David 'Digit' Turner | f6330a2 | 2009-05-18 17:36:28 +0200 | [diff] [blame] | 347 | fcntl( fd, F_SETFD, FD_CLOEXEC ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 348 | } |
| 349 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 350 | // Open a file and return a file descriptor that may be used with unix_read(), |
| 351 | // unix_write(), unix_close(), but not adb_read(), adb_write(), adb_close(). |
| 352 | // |
| 353 | // On Unix, this is based on open(), so the file descriptor is a real OS file |
| 354 | // descriptor, but the Windows implementation (in sysdeps_win32.cpp) returns a |
| 355 | // file descriptor that can only be used with C Runtime APIs (which are wrapped |
| 356 | // by unix_read(), unix_write(), unix_close()). Also, the C Runtime has |
| 357 | // configurable CR/LF translation which defaults to text mode, but is settable |
| 358 | // with _setmode(). |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 359 | static __inline__ int unix_open(const char* path, int options,...) |
| 360 | { |
| 361 | if ((options & O_CREAT) == 0) |
| 362 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 363 | return TEMP_FAILURE_RETRY( open(path, options) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 364 | } |
| 365 | else |
| 366 | { |
| 367 | int mode; |
| 368 | va_list args; |
| 369 | va_start( args, options ); |
| 370 | mode = va_arg( args, int ); |
| 371 | va_end( args ); |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 372 | return TEMP_FAILURE_RETRY( open( path, options, mode ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 373 | } |
| 374 | } |
| 375 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 376 | // Similar to the two-argument adb_open(), but takes a mode parameter for file |
| 377 | // creation. See adb_open() for more info. |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 378 | static __inline__ int adb_open_mode( const char* pathname, int options, int mode ) |
| 379 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 380 | return TEMP_FAILURE_RETRY( open( pathname, options, mode ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 384 | // Open a file and return a file descriptor that may be used with adb_read(), |
| 385 | // adb_write(), adb_close(), but not unix_read(), unix_write(), unix_close(). |
| 386 | // |
| 387 | // On Unix, this is based on open(), but the Windows implementation (in |
| 388 | // sysdeps_win32.cpp) uses Windows native file I/O and bypasses the C Runtime |
| 389 | // and its CR/LF translation. The returned file descriptor should be used with |
| 390 | // adb_read(), adb_write(), adb_close(), etc. |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 391 | static __inline__ int adb_open( const char* pathname, int options ) |
| 392 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 393 | int fd = TEMP_FAILURE_RETRY( open( pathname, options ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 394 | if (fd < 0) |
| 395 | return -1; |
| 396 | close_on_exec( fd ); |
| 397 | return fd; |
| 398 | } |
| 399 | #undef open |
| 400 | #define open ___xxx_open |
| 401 | |
Josh Gao | 2e1e789 | 2018-03-23 13:03:28 -0700 | [diff] [blame] | 402 | static __inline__ int adb_shutdown(int fd, int direction = SHUT_RDWR) { |
David Pursell | 1ed57f0 | 2015-10-06 15:30:03 -0700 | [diff] [blame] | 403 | return shutdown(fd, direction); |
| 404 | } |
Josh Gao | 2e1e789 | 2018-03-23 13:03:28 -0700 | [diff] [blame] | 405 | |
Mike Lockwood | 8cf0d59 | 2009-10-11 23:04:18 -0400 | [diff] [blame] | 406 | #undef shutdown |
| 407 | #define shutdown ____xxx_shutdown |
| 408 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 409 | // Closes a file descriptor that came from adb_open() or adb_open_mode(), but |
| 410 | // not designed to take a file descriptor from unix_open(). See the comments |
| 411 | // for adb_open() for more info. |
Josh Gao | f0d3b4f | 2016-03-04 15:15:56 -0800 | [diff] [blame] | 412 | __inline__ int adb_close(int fd) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 413 | return close(fd); |
| 414 | } |
| 415 | #undef close |
| 416 | #define close ____xxx_close |
| 417 | |
Casey Dahlin | 2fe9b60 | 2016-09-21 14:03:39 -0700 | [diff] [blame] | 418 | // On Windows, ADB has an indirection layer for file descriptors. If we get a |
| 419 | // Win32 SOCKET object from an external library, we have to map it in to that |
| 420 | // indirection layer, which this does. |
| 421 | __inline__ int adb_register_socket(int s) { |
| 422 | return s; |
| 423 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 424 | |
| 425 | static __inline__ int adb_read(int fd, void* buf, size_t len) |
| 426 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 427 | return TEMP_FAILURE_RETRY( read( fd, buf, len ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 428 | } |
| 429 | |
Spencer Low | 2e02dc6 | 2015-11-07 17:34:39 -0800 | [diff] [blame] | 430 | // Like unix_read(), but does not handle EINTR. |
| 431 | static __inline__ int unix_read_interruptible(int fd, void* buf, size_t len) { |
| 432 | return read(fd, buf, len); |
| 433 | } |
| 434 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 435 | #undef read |
| 436 | #define read ___xxx_read |
| 437 | |
| 438 | static __inline__ int adb_write(int fd, const void* buf, size_t len) |
| 439 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 440 | return TEMP_FAILURE_RETRY( write( fd, buf, len ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 441 | } |
| 442 | #undef write |
| 443 | #define write ___xxx_write |
| 444 | |
| 445 | static __inline__ int adb_lseek(int fd, int pos, int where) |
| 446 | { |
| 447 | return lseek(fd, pos, where); |
| 448 | } |
| 449 | #undef lseek |
| 450 | #define lseek ___xxx_lseek |
| 451 | |
| 452 | static __inline__ int adb_unlink(const char* path) |
| 453 | { |
| 454 | return unlink(path); |
| 455 | } |
| 456 | #undef unlink |
| 457 | #define unlink ___xxx_unlink |
| 458 | |
| 459 | static __inline__ int adb_creat(const char* path, int mode) |
| 460 | { |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 461 | int fd = TEMP_FAILURE_RETRY( creat( path, mode ) ); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 462 | |
David 'Digit' Turner | f6330a2 | 2009-05-18 17:36:28 +0200 | [diff] [blame] | 463 | if ( fd < 0 ) |
| 464 | return -1; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 465 | |
| 466 | close_on_exec(fd); |
David 'Digit' Turner | f6330a2 | 2009-05-18 17:36:28 +0200 | [diff] [blame] | 467 | return fd; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 468 | } |
| 469 | #undef creat |
| 470 | #define creat ___xxx_creat |
| 471 | |
David Pursell | c5b8ad8 | 2015-10-28 14:29:51 -0700 | [diff] [blame] | 472 | static __inline__ int unix_isatty(int fd) { |
| 473 | return isatty(fd); |
| 474 | } |
| 475 | #define isatty ___xxx_isatty |
| 476 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 477 | // Helper for network_* functions. |
| 478 | inline int _fd_set_error_str(int fd, std::string* error) { |
| 479 | if (fd == -1) { |
| 480 | *error = strerror(errno); |
| 481 | } |
| 482 | return fd; |
| 483 | } |
| 484 | |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 485 | inline int network_inaddr_any_server(int port, int type, std::string* error) { |
| 486 | return _fd_set_error_str(socket_inaddr_any_server(port, type), error); |
| 487 | } |
| 488 | |
Josh Gao | cfb2141 | 2016-08-24 18:38:44 -0700 | [diff] [blame] | 489 | inline int network_local_client(const char* name, int namespace_id, int type, std::string* error) { |
| 490 | return _fd_set_error_str(socket_local_client(name, namespace_id, type), error); |
| 491 | } |
| 492 | |
| 493 | inline int network_local_server(const char* name, int namespace_id, int type, std::string* error) { |
| 494 | return _fd_set_error_str(socket_local_server(name, namespace_id, type), error); |
Spencer Low | 5200c66 | 2015-07-30 23:07:55 -0700 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | inline int network_connect(const std::string& host, int port, int type, |
| 498 | int timeout, std::string* error) { |
| 499 | int getaddrinfo_error = 0; |
| 500 | int fd = socket_network_client_timeout(host.c_str(), port, type, timeout, |
| 501 | &getaddrinfo_error); |
| 502 | if (fd != -1) { |
| 503 | return fd; |
| 504 | } |
| 505 | if (getaddrinfo_error != 0) { |
| 506 | *error = gai_strerror(getaddrinfo_error); |
| 507 | } else { |
| 508 | *error = strerror(errno); |
| 509 | } |
| 510 | return -1; |
| 511 | } |
| 512 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 513 | static __inline__ int adb_socket_accept(int serverfd, struct sockaddr* addr, socklen_t *addrlen) |
| 514 | { |
Benoit Goby | 95ef828 | 2011-02-01 18:57:41 -0800 | [diff] [blame] | 515 | int fd; |
| 516 | |
Kenny Root | 7316741 | 2012-10-12 15:26:45 -0700 | [diff] [blame] | 517 | fd = TEMP_FAILURE_RETRY( accept( serverfd, addr, addrlen ) ); |
Benoit Goby | 95ef828 | 2011-02-01 18:57:41 -0800 | [diff] [blame] | 518 | if (fd >= 0) |
| 519 | close_on_exec(fd); |
| 520 | |
| 521 | return fd; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 522 | } |
| 523 | |
| 524 | #undef accept |
| 525 | #define accept ___xxx_accept |
| 526 | |
David Pursell | eaae97e | 2016-04-07 11:25:48 -0700 | [diff] [blame] | 527 | inline int adb_socket_get_local_port(int fd) { |
| 528 | return socket_get_local_port(fd); |
| 529 | } |
| 530 | |
Spencer Low | 6ac5d7d | 2015-05-22 20:09:06 -0700 | [diff] [blame] | 531 | // Operate on a file descriptor returned from unix_open() or a well-known file |
| 532 | // descriptor such as STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO. |
| 533 | // |
| 534 | // On Unix, unix_read(), unix_write(), unix_close() map to adb_read(), |
| 535 | // adb_write(), adb_close() (which all map to Unix system calls), but the |
| 536 | // Windows implementations (in the ifdef above and in sysdeps_win32.cpp) call |
| 537 | // into the C Runtime and its configurable CR/LF translation (which is settable |
| 538 | // via _setmode()). |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 539 | #define unix_read adb_read |
| 540 | #define unix_write adb_write |
| 541 | #define unix_close adb_close |
| 542 | |
Siva Velusamy | 49ee7cf | 2015-08-28 16:37:29 -0700 | [diff] [blame] | 543 | static __inline__ int adb_thread_setname(const std::string& name) { |
| 544 | #ifdef __APPLE__ |
| 545 | return pthread_setname_np(name.c_str()); |
| 546 | #else |
Elliott Hughes | 7462f18 | 2017-08-02 13:22:38 -0700 | [diff] [blame] | 547 | // Both bionic and glibc's pthread_setname_np fails rather than truncating long strings. |
| 548 | // glibc doesn't have strlcpy, so we have to fake it. |
| 549 | char buf[16]; // MAX_TASK_COMM_LEN, but that's not exported by the kernel headers. |
| 550 | strncpy(buf, name.c_str(), sizeof(buf) - 1); |
| 551 | buf[sizeof(buf) - 1] = '\0'; |
| 552 | return pthread_setname_np(pthread_self(), buf); |
Siva Velusamy | 49ee7cf | 2015-08-28 16:37:29 -0700 | [diff] [blame] | 553 | #endif |
| 554 | } |
| 555 | |
Spencer Low | f055c19 | 2015-01-25 14:40:16 -0800 | [diff] [blame] | 556 | static __inline__ int adb_setsockopt( int fd, int level, int optname, const void* optval, socklen_t optlen ) |
| 557 | { |
| 558 | return setsockopt( fd, level, optname, optval, optlen ); |
| 559 | } |
| 560 | |
| 561 | #undef setsockopt |
| 562 | #define setsockopt ___xxx_setsockopt |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 563 | |
| 564 | static __inline__ int unix_socketpair( int d, int type, int protocol, int sv[2] ) |
| 565 | { |
| 566 | return socketpair( d, type, protocol, sv ); |
| 567 | } |
| 568 | |
| 569 | static __inline__ int adb_socketpair( int sv[2] ) |
| 570 | { |
| 571 | int rc; |
| 572 | |
| 573 | rc = unix_socketpair( AF_UNIX, SOCK_STREAM, 0, sv ); |
| 574 | if (rc < 0) |
| 575 | return -1; |
| 576 | |
| 577 | close_on_exec( sv[0] ); |
| 578 | close_on_exec( sv[1] ); |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | #undef socketpair |
| 583 | #define socketpair ___xxx_socketpair |
| 584 | |
Josh Gao | 3777d2e | 2016-02-16 17:34:53 -0800 | [diff] [blame] | 585 | typedef struct pollfd adb_pollfd; |
| 586 | static __inline__ int adb_poll(adb_pollfd* fds, size_t nfds, int timeout) { |
| 587 | return TEMP_FAILURE_RETRY(poll(fds, nfds, timeout)); |
| 588 | } |
| 589 | |
| 590 | #define poll ___xxx_poll |
| 591 | |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 592 | static __inline__ int adb_mkdir(const std::string& path, int mode) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 593 | { |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 594 | return mkdir(path.c_str(), mode); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 595 | } |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 596 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 597 | #undef mkdir |
| 598 | #define mkdir ___xxx_mkdir |
| 599 | |
Alex Vallée | 47d67c9 | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 600 | static __inline__ int adb_is_absolute_host_path(const char* path) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 601 | return path[0] == '/'; |
| 602 | } |
| 603 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 604 | #endif /* !_WIN32 */ |
| 605 | |
Elliott Hughes | cc65c3b | 2015-11-20 22:01:06 -0800 | [diff] [blame] | 606 | static inline void disable_tcp_nagle(int fd) { |
| 607 | int off = 1; |
| 608 | adb_setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &off, sizeof(off)); |
| 609 | } |
| 610 | |
David Pursell | bfd9503 | 2016-02-22 14:27:23 -0800 | [diff] [blame] | 611 | // Sets TCP socket |fd| to send a keepalive TCP message every |interval_sec| seconds. Set |
| 612 | // |interval_sec| to 0 to disable keepalives. If keepalives are enabled, the connection will be |
| 613 | // configured to drop after 10 missed keepalives. Returns true on success. |
| 614 | bool set_tcp_keepalive(int fd, int interval_sec); |
| 615 | |
Elliott Hughes | 0aeb505 | 2016-06-29 17:42:01 -0700 | [diff] [blame] | 616 | #if defined(_WIN32) |
| 617 | // Win32 defines ERROR, which we don't need, but which conflicts with google3 logging. |
| 618 | #undef ERROR |
| 619 | #endif |
| 620 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 621 | #endif /* _ADB_SYSDEPS_H */ |