1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Copyright (C) 2015 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.
*/
#define TRACE_TAG TRACE_ADB
#include "sysdeps.h"
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
// We only build the affinity WAR code for Linux.
#if defined(__linux__)
#include <sched.h>
#endif
#include "base/file.h"
#include "base/logging.h"
#include "base/stringprintf.h"
#include "adb.h"
#include "adb_auth.h"
#include "adb_listeners.h"
#include "transport.h"
#if defined(_WIN32)
static const char kNullFileName[] = "NUL";
static BOOL WINAPI ctrlc_handler(DWORD type) {
// TODO: Consider trying to kill a starting up adb server (if we're in
// launch_server) by calling GenerateConsoleCtrlEvent().
exit(STATUS_CONTROL_C_EXIT);
return TRUE;
}
static std::string GetLogFilePath() {
const char log_name[] = "adb.log";
WCHAR temp_path[MAX_PATH];
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa364992%28v=vs.85%29.aspx
DWORD nchars = GetTempPathW(arraysize(temp_path), temp_path);
if ((nchars >= arraysize(temp_path)) || (nchars == 0)) {
// If string truncation or some other error.
fatal("cannot retrieve temporary file path: %s\n",
SystemErrorCodeToString(GetLastError()).c_str());
}
return narrow(temp_path) + log_name;
}
#else
static const char kNullFileName[] = "/dev/null";
static std::string GetLogFilePath() {
return std::string("/tmp/adb.log");
}
#endif
static void close_stdin() {
int fd = unix_open(kNullFileName, O_RDONLY);
if (fd == -1) {
fatal("cannot open '%s': %s", kNullFileName, strerror(errno));
}
if (dup2(fd, STDIN_FILENO) == -1) {
fatal("cannot redirect stdin: %s", strerror(errno));
}
unix_close(fd);
}
static void setup_daemon_logging(void) {
const std::string log_file_path(GetLogFilePath());
int fd = unix_open(log_file_path.c_str(), O_WRONLY | O_CREAT | O_APPEND,
0640);
if (fd == -1) {
fatal("cannot open '%s': %s", log_file_path.c_str(), strerror(errno));
}
if (dup2(fd, STDOUT_FILENO) == -1) {
fatal("cannot redirect stdout: %s", strerror(errno));
}
if (dup2(fd, STDERR_FILENO) == -1) {
fatal("cannot redirect stderr: %s", strerror(errno));
}
unix_close(fd);
fprintf(stderr, "--- adb starting (pid %d) ---\n", getpid());
LOG(INFO) << adb_version();
}
int adb_main(int is_daemon, int server_port, int ack_reply_fd) {
#if defined(_WIN32)
// adb start-server starts us up with stdout and stderr hooked up to
// anonymous pipes to. When the C Runtime sees this, it makes stderr and
// stdout buffered, but to improve the chance that error output is seen,
// unbuffer stdout and stderr just like if we were run at the console.
// This also keeps stderr unbuffered when it is redirected to adb.log.
if (is_daemon) {
if (setvbuf(stdout, NULL, _IONBF, 0) == -1) {
fatal("cannot make stdout unbuffered: %s", strerror(errno));
}
if (setvbuf(stderr, NULL, _IONBF, 0) == -1) {
fatal("cannot make stderr unbuffered: %s", strerror(errno));
}
}
SetConsoleCtrlHandler(ctrlc_handler, TRUE);
#else
signal(SIGPIPE, SIG_IGN);
#endif
init_transport_registration();
usb_init();
local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
adb_auth_init();
std::string error;
std::string local_name = android::base::StringPrintf("tcp:%d", server_port);
if (install_listener(local_name, "*smartsocket*", nullptr, 0, &error)) {
fatal("could not install *smartsocket* listener: %s", error.c_str());
}
// Inform our parent that we are up and running.
if (is_daemon) {
close_stdin();
setup_daemon_logging();
// Any error output written to stderr now goes to adb.log. We could
// keep around a copy of the stderr fd and use that to write any errors
// encountered by the following code, but that is probably overkill.
#if defined(_WIN32)
const HANDLE ack_reply_handle = cast_int_to_handle(ack_reply_fd);
const CHAR ack[] = "OK\n";
const DWORD bytes_to_write = arraysize(ack) - 1;
DWORD written = 0;
if (!WriteFile(ack_reply_handle, ack, bytes_to_write, &written, NULL)) {
fatal("adb: cannot write ACK to handle 0x%p: %s", ack_reply_handle,
SystemErrorCodeToString(GetLastError()).c_str());
}
if (written != bytes_to_write) {
fatal("adb: cannot write %lu bytes of ACK: only wrote %lu bytes",
bytes_to_write, written);
}
CloseHandle(ack_reply_handle);
#else
// TODO(danalbert): Can't use SendOkay because we're sending "OK\n", not
// "OKAY".
if (!android::base::WriteStringToFd("OK\n", ack_reply_fd)) {
fatal_errno("error writing ACK to fd %d", ack_reply_fd);
}
unix_close(ack_reply_fd);
#endif
}
D("Event loop starting\n");
fdevent_loop();
return 0;
}
#ifdef _WIN32
static bool _argv_is_utf8 = false;
#endif
int main(int argc, char** argv) {
#ifdef _WIN32
if (!_argv_is_utf8) {
fatal("_argv_is_utf8 is not set, suggesting that wmain was not "
"called. Did you forget to link with -municode?");
}
#endif
adb_sysdeps_init();
adb_trace_init(argv);
return adb_commandline(argc - 1, const_cast<const char**>(argv + 1));
}
#ifdef _WIN32
extern "C"
int wmain(int argc, wchar_t **argv) {
// Set diagnostic flag to try to detect if the build system was not
// configured to call wmain.
_argv_is_utf8 = true;
// Convert args from UTF-16 to UTF-8 and pass that to main().
NarrowArgs narrow_args(argc, argv);
return main(argc, narrow_args.data());
}
#endif
|
