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boinc/client/main.C

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// command-line version of the BOINC core client
// This file contains no GUI-related code,
// and is not included in the source code for Mac or Win GUI clients
#ifdef WIN32
#include "boinc_win.h"
#include "win_service.h"
#include "win_util.h"
typedef BOOL (CALLBACK* IdleTrackerInit)();
typedef void (CALLBACK* IdleTrackerTerm)();
#else
#include "config.h"
#include <unistd.h>
#include <csignal>
//#include "synch.h"
#endif
#ifdef __APPLE__
#include <sys/stat.h> // for umask()
#endif
#include "diagnostics.h"
#include "error_numbers.h"
#include "util.h"
#include "prefs.h"
#include "filesys.h"
#include "network.h"
#include "client_state.h"
#include "file_names.h"
#include "log_flags.h"
#include "client_msgs.h"
#include "main.h"
// This gets called when the client fails to add a project
//
void project_add_failed(PROJECT* project) {
if (project->scheduler_urls.size()) {
printf(
"BOINC failed to log in to %s.\n "
"Please check your account key and try again.\n",
project->master_url
);
} else {
printf(
"BOINC couldn't get main page for %s.\n"
"Please check the URL and try again.\n",
project->master_url
);
}
gstate.detach_project(project);
}
// Display a message to the user.
// Depending on the priority, the message may be more or less obtrusive
//
void show_message(PROJECT *p, char* msg, int priority) {
const char* x;
char message[1024];
time_t now = time(0);
char* time_string = time_to_string(now);
#if defined(WIN32) && defined(_CONSOLE)
char event_message[2048];
#endif
// Cycle the log files if we need to
diagnostics_cycle_logs();
strcpy(message, msg);
while (strlen(message)&&message[strlen(message)-1] == '\n') {
message[strlen(message)-1] = 0;
}
if (p) {
x = p->get_project_name();
} else {
x = "---";
}
record_message(p, priority, now, message);
switch (priority) {
case MSG_ERROR:
fprintf(stderr, "%s [%s] %s\n", time_string, x, message);
printf("%s [%s] %s\n", time_string, x, message);
if (gstate.executing_as_daemon) {
#if defined(WIN32) && defined(_CONSOLE)
_stprintf(event_message, TEXT("%s [%s] %s\n"), time_string, x, message);
// TODO: Refactor messages so that we do not overload the event log
// RTW 08/24/2004
//LogEventErrorMessage(event_message);
#endif
}
break;
case MSG_WARNING:
printf("%s [%s] %s\n", time_string, x, message);
if (gstate.executing_as_daemon) {
#if defined(WIN32) && defined(_CONSOLE)
_stprintf(event_message, TEXT("%s [%s] %s\n"), time_string, x, message);
// TODO: Refactor messages so that we do not overload the event log
// RTW 08/24/2004
//LogEventWarningMessage(event_message);
#endif
}
break;
case MSG_INFO:
printf("%s [%s] %s\n", time_string, x, message);
if (gstate.executing_as_daemon) {
#if defined(WIN32) && defined(_CONSOLE)
_stprintf(event_message, TEXT("%s [%s] %s\n"), time_string, x, message);
// TODO: Refactor messages so that we do not overload the event log
// RTW 08/24/2004
//LogEventInfoMessage(event_message);
#endif
}
break;
}
}
#ifdef WIN32
void quit_client() {
gstate.requested_exit = true;
}
void suspend_client() {
gstate.user_run_request = USER_RUN_REQUEST_NEVER;
}
void resume_client() {
gstate.user_run_request = USER_RUN_REQUEST_AUTO;
}
BOOL WINAPI ConsoleControlHandler ( DWORD dwCtrlType ){
BOOL bReturnStatus = FALSE;
switch( dwCtrlType ){
case CTRL_C_EVENT:
if(gstate.activities_suspended) {
resume_client();
} else {
suspend_client();
}
bReturnStatus = TRUE;
break;
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
quit_client();
bReturnStatus = TRUE;
break;
case CTRL_LOGOFF_EVENT:
if (!gstate.executing_as_daemon) {
quit_client();
}
bReturnStatus = TRUE;
break;
}
return bReturnStatus;
}
#else
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:
gstate.requested_exit = true;
break;
case SIGTSTP:
gstate.user_run_request = USER_RUN_REQUEST_NEVER;
break;
case SIGCONT:
gstate.user_run_request = USER_RUN_REQUEST_AUTO;
break;
default:
msg_printf(NULL, MSG_WARNING, "Signal not handled");
}
}
#endif
static FILE_LOCK file_lock;
int check_unique_instance() {
#ifdef _WIN32
// on Windows, we set a mutex so that the screensaver
// can find out that the core client is running
//
HANDLE h = CreateMutex(NULL, true, RUN_MUTEX);
if ((h==0) || (GetLastError() == ERROR_ALREADY_EXISTS)) {
return ERR_ALREADY_RUNNING;
}
#else
if (file_lock.lock(LOCK_FILE_NAME)) {
return ERR_ALREADY_RUNNING;
}
#endif
return 0;
}
static void init_core_client(int argc, char** argv) {
int retval;
setbuf(stdout, 0);
setbuf(stderr, 0);
#ifdef _WIN32
TCHAR szPath[MAX_PATH-1];
// change the current directory to the boinc install directory
GetModuleFileName(NULL, szPath, (sizeof(szPath)/sizeof(TCHAR)));
TCHAR *pszProg = strrchr(szPath, '\\');
if (pszProg) {
szPath[pszProg - szPath + 1] = 0;
SetCurrentDirectory(szPath);
}
#endif
#ifdef __APPLE__
// We have postponed implementing the umask change due to security concerns.
// umask(0); // Set file creation mask to make all files world-writable
// Our umask will be inherited by all our child processes
#endif
read_log_flags();
gstate.parse_cmdline(argc, argv);
// Initialize the BOINC Diagnostics Framework
int dwDiagnosticsFlags =
BOINC_DIAG_DUMPCALLSTACKENABLED |
BOINC_DIAG_HEAPCHECKENABLED |
BOINC_DIAG_HEAPCHECKEVERYALLOC |
BOINC_DIAG_TRACETOSTDOUT;
if (gstate.redirect_io || gstate.executing_as_daemon) {
dwDiagnosticsFlags |=
BOINC_DIAG_REDIRECTSTDERR |
BOINC_DIAG_REDIRECTSTDOUT;
}
diagnostics_init(
dwDiagnosticsFlags,
"stdoutdae",
"stderrdae"
);
retval = check_unique_instance();
if (retval) {
msg_printf(NULL, MSG_INFO, "Another instance of BOINC is running");
exit(1);
}
// Unix/Linux console controls
#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
//boinc_set_signal_handler_force(SIGTSTP, signal_handler);
//boinc_set_signal_handler_force(SIGCONT, signal_handler);
#endif
// Windows console controls
#ifdef _WIN32
if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)ConsoleControlHandler, TRUE)){
fprintf(stderr, "Failed to register the console control handler\n");
exit(1);
} else {
printf(
"\nTo pause/resume tasks hit CTRL-C, to exit hit CTRL-BREAK\n"
);
}
#endif
}
int boinc_main_loop() {
int retval;
double dt;
retval = gstate.init();
if (retval) {
fprintf(stderr, "gstate.init() failed: %d\n", retval);
exit(retval);
}
// must parse env vars AFTER gstate.init();
// otherwise env vars will get overwritten with state file info
//
gstate.parse_env_vars();
while (1) {
dt = dtime();
if (!gstate.do_something(dt)) {
dt = dtime();
gstate.net_sleep(0.1);
dt = dtime() - dt;
log_messages.printf(CLIENT_MSG_LOG::DEBUG_TIME, "SLEPT %f SECONDS\n", dt);
fflush(stdout);
}
if (gstate.time_to_exit()) {
msg_printf(NULL, MSG_INFO, "Time to exit");
break;
}
if (gstate.requested_exit) {
msg_printf(NULL, MSG_INFO, "Exit requested by user");
break;
}
}
gstate.quit_activities();
return 0;
}
int main(int argc, char** argv) {
int retval = 0;
init_core_client(argc, argv);
#ifdef _WIN32
// Initialize WinSock
if ( WinsockInitialize() != 0 ) {
printf(
"BOINC Core Client Error Message\n"
"Failed to initialize the Windows Sockets interface\n"
"Terminating Application...\n"
);
return ERR_IO;
}
g_hIdleDetectionDll = LoadLibrary("boinc.dll");
if(!g_hIdleDetectionDll) {
printf(
"BOINC Core Client Error Message\n"
"Failed to initialize the BOINC Idle Detection Interface\n"
"BOINC will not be able to determine if the user is idle or not...\n"
);
}
if(g_hIdleDetectionDll) {
IdleTrackerInit fnIdleTrackerInit;
fnIdleTrackerInit = (IdleTrackerInit)GetProcAddress(g_hIdleDetectionDll, _T("IdleTrackerInit"));
if(!fnIdleTrackerInit) {
FreeLibrary(g_hIdleDetectionDll);
g_hIdleDetectionDll = NULL;
} else {
if(!fnIdleTrackerInit()) {
FreeLibrary(g_hIdleDetectionDll);
g_hIdleDetectionDll = NULL;
}
}
}
SERVICE_TABLE_ENTRY dispatchTable[] = {
{ TEXT(SZSERVICENAME), (LPSERVICE_MAIN_FUNCTION)service_main },
{ NULL, NULL }
};
if ( (argc > 1) && ((*argv[1] == '-') || (*argv[1] == '/')) ) {
if ( _stricmp( "daemon", argv[1]+1 ) == 0 ) {
// allow the system to know it is running as a Windows service
// and adjust it's diagnostics schemes accordingly.
gstate.executing_as_daemon = true;
printf( "\nStartServiceCtrlDispatcher being called.\n" );
printf( "This may take several seconds. Please wait.\n" );
if (!StartServiceCtrlDispatcher(dispatchTable)) {
LogEventErrorMessage(TEXT("StartServiceCtrlDispatcher failed."));
}
} else {
retval = boinc_main_loop();
}
} else {
retval = boinc_main_loop();
}
#else
#ifdef __APPLE__
// Initialize Mac OS X idle time measurement / idle detection
gEventHandle = NXOpenEventStatus();
#endif // __APPLE__
retval = boinc_main_loop();
#endif
#ifdef _WIN32
if(g_hIdleDetectionDll) {
IdleTrackerTerm fnIdleTrackerTerm;
fnIdleTrackerTerm = (IdleTrackerTerm)GetProcAddress(g_hIdleDetectionDll, _T("IdleTrackerTerm"));
if(fnIdleTrackerTerm) {
fnIdleTrackerTerm();
}
if(!FreeLibrary(g_hIdleDetectionDll)) {
printf(
"BOINC Core Client Error Message\n"
"Failed to cleanup the BOINC Idle Detection Interface\n"
);
}
g_hIdleDetectionDll = NULL;
}
if ( WinsockCleanup() != 0 ) {
printf(
"BOINC Core Client Error Message\n"
"Failed to cleanup the Windows Sockets interface\n"
);
return ERR_IO;
}
#endif
return retval;
}
const char *BOINC_RCSID_f02264aefe = "$Id$";
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