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boinc/client/main.cpp

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// command-line version of the BOINC client
// This file contains no GUI-related code.
#include "cpp.h"
#ifdef WIN32
#include "boinc_win.h"
#include "sysmon_win.h"
#include "win_util.h"
#ifdef _MSC_VER
#define snprintf _snprintf
#endif
#else
#include "config.h"
#if HAVE_SYS_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#endif
#include <sys/stat.h>
#include <syslog.h>
#include <cstdlib>
#include <unistd.h>
#include <csignal>
#endif
#if (defined (__APPLE__) && defined(SANDBOX) && defined(_DEBUG))
#include "SetupSecurity.h"
#endif
#include "diagnostics.h"
#include "error_numbers.h"
#include "str_util.h"
#include "str_replace.h"
#include "util.h"
#include "prefs.h"
#include "filesys.h"
#include "network.h"
#include "idlemon.h"
#include "client_state.h"
#include "file_names.h"
#include "log_flags.h"
#include "client_msgs.h"
#include "http_curl.h"
#include "sandbox.h"
#include "main.h"
#ifdef ANDROID
#include "android_log.h"
#endif
// Log informational messages to system specific places
//
void log_message_startup(const char* msg) {
char evt_msg[2048];
snprintf(evt_msg, sizeof(evt_msg),
"%s\n",
msg
);
if (!gstate.executing_as_daemon) {
fprintf(stdout, evt_msg);
} else {
#ifdef _WIN32
LogEventInfoMessage(evt_msg);
#elif defined(__EMX__)
#elif defined (__APPLE__)
#elif defined (ANDROID)
LOGD(evt_msg);
#else
syslog(LOG_DAEMON|LOG_INFO, evt_msg);
#endif
}
}
// Log error messages to system specific places
//
void log_message_error(const char* msg) {
char evt_msg[2048];
#ifdef _WIN32
snprintf(evt_msg, sizeof(evt_msg),
"%s\n"
"GLE: %s\n",
msg,
windows_format_error_string(GetLastError(), evt_msg, (sizeof(evt_msg)-((int)strlen(msg)+7)))
);
#else
snprintf(evt_msg, sizeof(evt_msg),
"%s\n",
msg
);
#endif
if (!gstate.executing_as_daemon) {
fprintf(stderr, evt_msg);
} else {
#ifdef _WIN32
LogEventErrorMessage(evt_msg);
#elif defined(__EMX__)
#elif defined (__APPLE__)
#elif defined (ANDROID)
LOGD(evt_msg);
#else
syslog(LOG_DAEMON|LOG_ERR, evt_msg);
#endif
}
}
void log_message_error(const char* msg, int error_code) {
char evt_msg[2048];
snprintf(evt_msg, sizeof(evt_msg),
"%s\n"
"Error Code: %d\n",
msg, error_code
);
if (!gstate.executing_as_daemon) {
fprintf(stderr, evt_msg);
} else {
#ifdef _WIN32
LogEventErrorMessage(evt_msg);
#elif defined(__EMX__)
#elif defined (__APPLE__)
#elif defined (ANDROID)
LOGD(evt_msg);
#else
syslog(LOG_DAEMON|LOG_ERR, evt_msg);
#endif
}
}
#ifndef _WIN32
static void signal_handler(int signum) {
msg_printf(NULL, MSG_INFO, "Received signal %d", signum);
switch(signum) {
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGTERM:
#ifdef SIGPWR
case SIGPWR:
#endif
gstate.requested_exit = true;
#ifdef __EMX__
// close socket
shutdown(gstate.gui_rpcs.lsock, 2);
#endif
break;
default:
msg_printf(NULL, MSG_INTERNAL_ERROR, "Signal not handled");
}
}
#endif
static void init_core_client(int argc, char** argv) {
setbuf(stdout, 0);
setbuf(stderr, 0);
config.defaults();
gstate.parse_cmdline(argc, argv);
gstate.now = dtime();
#ifdef _WIN32
if (!config.allow_multiple_clients) {
chdir_to_data_dir();
}
#endif
#ifndef _WIN32
if (g_use_sandbox)
// Set file creation mask to be writable by both user and group and
// world-executable but neither world-readable nor world-writable
// Our umask will be inherited by all our child processes
//
umask (6);
#endif
// Initialize the BOINC Diagnostics Framework
int flags =
#ifdef _DEBUG
BOINC_DIAG_MEMORYLEAKCHECKENABLED |
#endif
BOINC_DIAG_DUMPCALLSTACKENABLED |
BOINC_DIAG_HEAPCHECKENABLED |
BOINC_DIAG_TRACETOSTDOUT;
if (gstate.redirect_io || gstate.executing_as_daemon || gstate.detach_console) {
flags |=
BOINC_DIAG_REDIRECTSTDERR |
BOINC_DIAG_REDIRECTSTDOUT;
}
diagnostics_init(flags, "stdoutdae", "stderrdae");
#ifdef _WIN32
// Specify which allocation will cause a debugger to break. Use a previous
// memory leak detection report which looks like this:
// {650} normal block at 0x000000000070A6F0, 24 bytes long.
// Data: < N P p > 80 1E 4E 00 00 00 00 00 50 AE 70 00 00 00 00 00
//_CrtSetBreakAlloc(650);
//_CrtSetBreakAlloc(651);
//_CrtSetBreakAlloc(652);
//_CrtSetBreakAlloc(653);
//_CrtSetBreakAlloc(654);
#endif
read_config_file(true);
// Unix: install signal handlers
#ifndef _WIN32
// Handle quit signals gracefully
boinc_set_signal_handler(SIGHUP, signal_handler);
boinc_set_signal_handler(SIGINT, signal_handler);
boinc_set_signal_handler(SIGQUIT, signal_handler);
boinc_set_signal_handler(SIGTERM, signal_handler);
#ifdef SIGPWR
boinc_set_signal_handler(SIGPWR, signal_handler);
#endif
#endif
}
static int initialize() {
int retval;
if (!config.allow_multiple_clients) {
retval = wait_client_mutex(".", 10);
if (retval) {
log_message_error("Another instance of BOINC is running.");
return ERR_EXEC;
}
}
// Initialize WinSock
#if defined(_WIN32) && defined(USE_WINSOCK)
if (WinsockInitialize() != 0) {
log_message_error("Failed to initialize the Windows Sockets interface.");
return ERR_IO;
}
#endif
curl_init();
#ifdef _WIN32
if(!startup_idle_monitor()) {
log_message_error(
"Failed to initialize the BOINC idle monitor interface."
"BOINC will not be able to determine if the user is idle or not...\n"
);
}
#endif
return 0;
}
static int finalize() {
static bool finalized = false;
if (finalized) return 0;
finalized = true;
gstate.quit_activities();
daily_xfer_history.write_file();
#ifdef _WIN32
shutdown_idle_monitor();
#ifdef USE_WINSOCK
if (WinsockCleanup()) {
log_message_error("WinSockCleanup() failed");
return ERR_IO;
}
#endif
cleanup_system_monitor();
#endif
curl_cleanup();
#ifdef _DEBUG
gstate.free_mem();
#endif
diagnostics_finish();
gstate.cleanup_completed = true;
return 0;
}
int boinc_main_loop() {
int retval;
retval = initialize();
if (retval) return retval;
retval = gstate.init();
if (retval) {
log_message_error("gstate.init() failed", retval);
return retval;
}
log_message_startup("Initialization completed");
while (1) {
if (!gstate.poll_slow_events()) {
gstate.do_io_or_sleep(POLL_INTERVAL);
}
fflush(stderr);
fflush(stdout);
if (gstate.time_to_exit()) {
msg_printf(NULL, MSG_INFO, "Time to exit");
break;
}
if (gstate.requested_exit) {
if (config.abort_jobs_on_exit) {
if (!gstate.in_abort_sequence) {
msg_printf(NULL, MSG_INFO,
"Exit requested; starting abort sequence"
);
gstate.start_abort_sequence();
}
} else {
msg_printf(NULL, MSG_INFO, "Exit requested by user");
break;
}
}
if (gstate.in_abort_sequence) {
if (gstate.abort_sequence_done()) {
msg_printf(NULL, MSG_INFO, "Abort sequence done; exiting");
break;
}
}
}
return finalize();
}
int main(int argc, char** argv) {
int retval = 0;
#ifdef ANDROID
char ccwd[1024];
getcwd(ccwd, sizeof(ccwd));
char msg[1024];
snprintf(msg, sizeof(msg), "Hello Logcat! cwd at: %s", ccwd);
LOGD(msg);
#endif
for (int index = 1; index < argc; index++) {
if (strcmp(argv[index], "-daemon") == 0 || strcmp(argv[index], "--daemon") == 0) {
gstate.executing_as_daemon = true;
log_message_startup("BOINC is initializing...");
#if !defined(_WIN32) && !defined(__EMX__) && !defined(__APPLE__)
// from <unistd.h>:
// Detach from the controlling terminal and run in the background as system daemon.
// Don't change working directory to root ("/"), but redirect
// standard input, standard output and standard error to /dev/null.
retval = daemon(1, 0);
break;
#endif
}
}
init_core_client(argc, argv);
#ifdef _WIN32
retval = initialize_system_monitor(argc, argv);
if (retval) return retval;
if ( (argc > 1) && (strcmp(argv[1], "-daemon") == 0 || strcmp(argv[1], "--daemon") == 0) ) {
retval = initialize_service_dispatcher(argc, argv);
} else {
retval = boinc_main_loop();
}
#else
#ifdef SANDBOX
// Make sure owners, groups and permissions are correct
// for the current setting of g_use_sandbox
//
#if defined(_DEBUG) && defined(__APPLE__)
// GDB can't attach to applications which are running as a different user
// or group, so fix up data with current user and group during debugging
//
if (check_security(g_use_sandbox, false)) {
SetBOINCDataOwnersGroupsAndPermissions();
}
#endif // _DEBUG && __APPLE__
int securityErr = check_security(g_use_sandbox, false);
if (securityErr) {
printf(
"File ownership or permissions are set in a way that\n"
"does not allow sandboxed execution of BOINC applications.\n"
"To use BOINC anyway, use the -insecure command line option.\n"
"To change ownership/permission, reinstall BOINC"
#ifdef __APPLE__
" or run\n the shell script Mac_SA_Secure.sh"
#else
" or run\n the shell script secure.sh"
#endif
". (Error code %d)\n", securityErr
);
return ERR_USER_PERMISSION;
}
#endif // SANDBOX
retval = boinc_main_loop();
#endif
return retval;
}
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