Move adb to C++.
I keep trying to clean things up and needing std::strings. Might as
well just do this now.
usb_linux_client.c is going to stay as C because GCC isn't smart
enough to deal with the designated initializers it uses (though for
some reason it is in C mode).
The Darwin files are staying as C because I don't have a way to test
that they build.
The Windows files are staying as C because while I can actually build
for them, it's slow and painful.
Change-Id: I75367d29205a9049d34460032b3bb36384f43941
diff --git a/adb/framebuffer_service.cpp b/adb/framebuffer_service.cpp
new file mode 100644
index 0000000..7baad8b
--- /dev/null
+++ b/adb/framebuffer_service.cpp
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2007 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 <linux/fb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "sysdeps.h"
+
+#include "adb.h"
+#include "adb_io.h"
+#include "fdevent.h"
+
+/* TODO:
+** - sync with vsync to avoid tearing
+*/
+/* This version number defines the format of the fbinfo struct.
+ It must match versioning in ddms where this data is consumed. */
+#define DDMS_RAWIMAGE_VERSION 1
+struct fbinfo {
+ unsigned int version;
+ unsigned int bpp;
+ unsigned int size;
+ unsigned int width;
+ unsigned int height;
+ unsigned int red_offset;
+ unsigned int red_length;
+ unsigned int blue_offset;
+ unsigned int blue_length;
+ unsigned int green_offset;
+ unsigned int green_length;
+ unsigned int alpha_offset;
+ unsigned int alpha_length;
+} __attribute__((packed));
+
+void framebuffer_service(int fd, void *cookie)
+{
+ struct fbinfo fbinfo;
+ unsigned int i, bsize;
+ char buf[640];
+ int fd_screencap;
+ int w, h, f;
+ int fds[2];
+ pid_t pid;
+
+ if (pipe2(fds, O_CLOEXEC) < 0) goto pipefail;
+
+ pid = fork();
+ if (pid < 0) goto done;
+
+ if (pid == 0) {
+ dup2(fds[1], STDOUT_FILENO);
+ adb_close(fds[0]);
+ adb_close(fds[1]);
+ const char* command = "screencap";
+ const char *args[2] = {command, NULL};
+ execvp(command, (char**)args);
+ exit(1);
+ }
+
+ adb_close(fds[1]);
+ fd_screencap = fds[0];
+
+ /* read w, h & format */
+ if(!ReadFdExactly(fd_screencap, &w, 4)) goto done;
+ if(!ReadFdExactly(fd_screencap, &h, 4)) goto done;
+ if(!ReadFdExactly(fd_screencap, &f, 4)) goto done;
+
+ fbinfo.version = DDMS_RAWIMAGE_VERSION;
+ /* see hardware/hardware.h */
+ switch (f) {
+ case 1: /* RGBA_8888 */
+ fbinfo.bpp = 32;
+ fbinfo.size = w * h * 4;
+ fbinfo.width = w;
+ fbinfo.height = h;
+ fbinfo.red_offset = 0;
+ fbinfo.red_length = 8;
+ fbinfo.green_offset = 8;
+ fbinfo.green_length = 8;
+ fbinfo.blue_offset = 16;
+ fbinfo.blue_length = 8;
+ fbinfo.alpha_offset = 24;
+ fbinfo.alpha_length = 8;
+ break;
+ case 2: /* RGBX_8888 */
+ fbinfo.bpp = 32;
+ fbinfo.size = w * h * 4;
+ fbinfo.width = w;
+ fbinfo.height = h;
+ fbinfo.red_offset = 0;
+ fbinfo.red_length = 8;
+ fbinfo.green_offset = 8;
+ fbinfo.green_length = 8;
+ fbinfo.blue_offset = 16;
+ fbinfo.blue_length = 8;
+ fbinfo.alpha_offset = 24;
+ fbinfo.alpha_length = 0;
+ break;
+ case 3: /* RGB_888 */
+ fbinfo.bpp = 24;
+ fbinfo.size = w * h * 3;
+ fbinfo.width = w;
+ fbinfo.height = h;
+ fbinfo.red_offset = 0;
+ fbinfo.red_length = 8;
+ fbinfo.green_offset = 8;
+ fbinfo.green_length = 8;
+ fbinfo.blue_offset = 16;
+ fbinfo.blue_length = 8;
+ fbinfo.alpha_offset = 24;
+ fbinfo.alpha_length = 0;
+ break;
+ case 4: /* RGB_565 */
+ fbinfo.bpp = 16;
+ fbinfo.size = w * h * 2;
+ fbinfo.width = w;
+ fbinfo.height = h;
+ fbinfo.red_offset = 11;
+ fbinfo.red_length = 5;
+ fbinfo.green_offset = 5;
+ fbinfo.green_length = 6;
+ fbinfo.blue_offset = 0;
+ fbinfo.blue_length = 5;
+ fbinfo.alpha_offset = 0;
+ fbinfo.alpha_length = 0;
+ break;
+ case 5: /* BGRA_8888 */
+ fbinfo.bpp = 32;
+ fbinfo.size = w * h * 4;
+ fbinfo.width = w;
+ fbinfo.height = h;
+ fbinfo.red_offset = 16;
+ fbinfo.red_length = 8;
+ fbinfo.green_offset = 8;
+ fbinfo.green_length = 8;
+ fbinfo.blue_offset = 0;
+ fbinfo.blue_length = 8;
+ fbinfo.alpha_offset = 24;
+ fbinfo.alpha_length = 8;
+ break;
+ default:
+ goto done;
+ }
+
+ /* write header */
+ if(!WriteFdExactly(fd, &fbinfo, sizeof(fbinfo))) goto done;
+
+ /* write data */
+ for(i = 0; i < fbinfo.size; i += bsize) {
+ bsize = sizeof(buf);
+ if (i + bsize > fbinfo.size)
+ bsize = fbinfo.size - i;
+ if(!ReadFdExactly(fd_screencap, buf, bsize)) goto done;
+ if(!WriteFdExactly(fd, buf, bsize)) goto done;
+ }
+
+done:
+ adb_close(fds[0]);
+
+ TEMP_FAILURE_RETRY(waitpid(pid, NULL, 0));
+pipefail:
+ adb_close(fd);
+}