1 /*
2 * Copyright (c) 2009-2013, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google, Inc. nor the names of its contributors
15 * may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <stdio.h>
33 #include <cutils/sockets.h>
34 #include <poll.h>
35 #include <unistd.h>
36
37 #include "utils.h"
38
39 #define BUFFER_SIZE 256
40
41 #define STDIN_FD 0
42 #define STDOUT_FD 1
43 #define STDERR_FD 2
44
run_socket_client()45 void run_socket_client() {
46 int fd;
47 char buffer[BUFFER_SIZE];
48 int n;
49 struct pollfd fds[2];
50
51 fd = socket_local_client("fastbootd",
52 ANDROID_SOCKET_NAMESPACE_RESERVED,
53 SOCK_STREAM);
54
55 if (fd < 0) {
56 fprintf(stderr, "ERROR: Unable to open fastbootd socket\n");
57 return;
58 }
59
60 fds[0].fd = STDIN_FD;
61 fds[0].events = POLLIN;
62 fds[1].fd = fd;
63 fds[1].events = POLLIN;
64
65 while(true) {
66 if (poll(fds, 2, -1) <= 0) {
67 fprintf(stderr, "ERROR: socket error");
68 return;
69 }
70
71 if (fds[0].revents & POLLIN) {
72 if ((n = read(STDIN_FD, buffer, BUFFER_SIZE)) < 0) {
73 goto error;
74 }
75
76 if (bulk_write(fd, buffer, n) < 0) {
77 goto error;
78 }
79 }
80
81 if (fds[1].revents & POLLIN) {
82 if ((n = read(fd, buffer, BUFFER_SIZE)) < 0) {
83 goto error;
84 }
85
86 if (bulk_write(STDOUT_FD, buffer, n) < 0) {
87 goto error;
88 }
89 }
90 }
91
92 error:
93 fprintf(stderr, "Transport error\n");
94 }
95