浅析adb+shell..doc

再次浅析adb shell,pc daemon和手机daemon三者之间的数据交互流程 再次浅析adb shell,pc daemon和手机daemon三者之间的数据交互流程 《浅析linux开发工具adb具体实现》 《浅析adb创建流程》 ################### adb shellinteractive_shel==fd = socket_loopback_client(ADB_PORT, SOCK_STREAM);向该fd发送shell:字符串,之后本地的daemon程序接收到来自loopback,ADB_PORT端口数据,然后交由local_socket_event_func函数处理,int interactive_shell(void){????adb_thread_t thr;????int fdi, fd;????int *fds;????fd = adb_connect(shell:);//和pc daemon建立的socket连接句柄fd????if(fd 0) {????????fprintf(stderr,error: %s\n, adb_error());????????return 1;????}????fdi = 0; //dup(0);????fds = malloc(sizeof(int) * 2);????fds[0] = fd;????fds[1] = fdi;#ifdef HAVE_TERMIO_H????stdin_raw_init(fdi);#endif????//单独创建一个thread等待stdin键盘输入,????//然后将键盘输入的数据发送给fd,也就是发送给????//在本地与pc daemon建立的socket[luther.gliethttp]????adb_thread_create(thr, stdin_read_thread, fds);????read_and_dump(fd);//回显pc daemon穿过来的数据#ifdef HAVE_TERMIO_H????stdin_raw_restore(fdi);#endif????return 0;}static void read_and_dump(int fd){????char buf[4096];????int len;????while(fd = 0) {????????len = adb_read(fd, buf, 4096);//读取和pc daemon建立的socket,然后将接收到的数据打印到stdout显示????????if(len == 0) {????????????break;????????}????????if(len 0) {????????????if(errno == EINTR) continue;????????????break;????????}????????/* we want to output to stdout, so no adb_write here !! */????????unix_write(1, buf, len);????}}################### pc上的daemonss_listener_event_func//等待连接==s = create_local_socket(fd);//为新来的一个连接建立socket,并安装处理该socket的handler--local_socket_event_func==create_local_socket==install_local_socket==s-id = local_socket_next_id++;//该socket在daemon的id标识s-enqueue = local_socket_enqueue;然后在output_thread线程handler中会调用到local_socket_enqueue==t-read_from_remote(p, t)==write_packet(t-fd, p)==transport_socket_events==handle_packet????case A_WRTE:????????if(t-connection_state != CS_OFFLINE) {????????????if((s = find_local_socket(p-msg.arg1))) {//根据s-id查找本地daemon[手机或pc]管理的相应socket处理函数?????