platform_system_core/fastbootd/socket_client.c

95 lines
2.9 KiB
C

/*
* Copyright (c) 2009-2013, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google, Inc. 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 COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*/
#include <stdio.h>
#include <cutils/sockets.h>
#include <poll.h>
#include <unistd.h>
#include "utils.h"
#define BUFFER_SIZE 256
#define STDIN_FD 0
#define STDOUT_FD 1
#define STDERR_FD 2
void run_socket_client() {
int fd;
char buffer[BUFFER_SIZE];
int n;
struct pollfd fds[2];
fd = socket_local_client("fastbootd",
ANDROID_SOCKET_NAMESPACE_RESERVED,
SOCK_STREAM);
if (fd < 0) {
fprintf(stderr, "ERROR: Unable to open fastbootd socket\n");
return;
}
fds[0].fd = STDIN_FD;
fds[0].events = POLLIN;
fds[1].fd = fd;
fds[1].events = POLLIN;
while(true) {
if (poll(fds, 2, -1) <= 0) {
fprintf(stderr, "ERROR: socket error");
return;
}
if (fds[0].revents & POLLIN) {
if ((n = read(STDIN_FD, buffer, BUFFER_SIZE)) < 0) {
goto error;
}
if (bulk_write(fd, buffer, n) < 0) {
goto error;
}
}
if (fds[1].revents & POLLIN) {
if ((n = read(fd, buffer, BUFFER_SIZE)) < 0) {
goto error;
}
if (bulk_write(STDOUT_FD, buffer, n) < 0) {
goto error;
}
}
}
error:
fprintf(stderr, "Transport error\n");
}