455 lines
9.2 KiB
C
455 lines
9.2 KiB
C
/**
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* Copyright (C) 2008 Happy Fish / YuQing
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*
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* FastDFS may be copied only under the terms of the GNU General
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* Public License V3, which may be found in the FastDFS source kit.
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* Please visit the FastDFS Home Page http://www.fastken.com/ for more detail.
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**/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include "fastcommon/shared_func.h"
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#include "fastcommon/pthread_func.h"
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#include "fastcommon/process_ctrl.h"
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#include "fastcommon/logger.h"
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#include "fdfs_global.h"
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#include "fastcommon/base64.h"
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#include "fastcommon/sockopt.h"
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#include "fastcommon/sched_thread.h"
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#include "sf/sf_service.h"
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#include "sf/sf_util.h"
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#include "tracker_types.h"
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#include "tracker_mem.h"
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#include "tracker_service.h"
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#include "tracker_global.h"
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#include "tracker_proto.h"
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#include "tracker_func.h"
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#include "tracker_status.h"
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#include "tracker_relationship.h"
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#ifdef WITH_HTTPD
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#include "tracker_httpd.h"
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#include "tracker_http_check.h"
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#endif
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#if defined(DEBUG_FLAG)
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#include "tracker_dump.h"
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#endif
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static bool daemon_mode = true;
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static bool bTerminateFlag = false;
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static bool bAcceptEndFlag = false;
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static void sigQuitHandler(int sig);
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static void sigHupHandler(int sig);
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static void sigUsrHandler(int sig);
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static void sigAlarmHandler(int sig);
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#if defined(DEBUG_FLAG)
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static void sigDumpHandler(int sig);
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#endif
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static int setup_signal_handlers()
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{
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struct sigaction act;
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memset(&act, 0, sizeof(act));
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sigemptyset(&act.sa_mask);
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act.sa_handler = sigUsrHandler;
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if(sigaction(SIGUSR1, &act, NULL) < 0 || \
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sigaction(SIGUSR2, &act, NULL) < 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"call sigaction fail, errno: %d, error info: %s", \
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__LINE__, errno, STRERROR(errno));
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return errno;
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}
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act.sa_handler = sigHupHandler;
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if(sigaction(SIGHUP, &act, NULL) < 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"call sigaction fail, errno: %d, error info: %s", \
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__LINE__, errno, STRERROR(errno));
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return errno;
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}
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act.sa_handler = SIG_IGN;
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if(sigaction(SIGPIPE, &act, NULL) < 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"call sigaction fail, errno: %d, error info: %s", \
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__LINE__, errno, STRERROR(errno));
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return errno;
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}
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act.sa_handler = sigQuitHandler;
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if(sigaction(SIGINT, &act, NULL) < 0 || \
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sigaction(SIGTERM, &act, NULL) < 0 || \
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sigaction(SIGQUIT, &act, NULL) < 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"call sigaction fail, errno: %d, error info: %s", \
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__LINE__, errno, STRERROR(errno));
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return errno;
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}
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#if defined(DEBUG_FLAG)
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memset(&act, 0, sizeof(act));
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sigemptyset(&act.sa_mask);
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act.sa_handler = sigDumpHandler;
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if(sigaction(SIGUSR1, &act, NULL) < 0 || \
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sigaction(SIGUSR2, &act, NULL) < 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"call sigaction fail, errno: %d, error info: %s", \
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__LINE__, errno, STRERROR(errno));
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return errno;
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}
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#endif
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return 0;
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}
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static int setup_schedule_tasks()
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{
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#define SCHEDULE_ENTRIES_COUNT 4
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ScheduleEntry scheduleEntries[SCHEDULE_ENTRIES_COUNT];
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ScheduleArray scheduleArray;
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scheduleArray.entries = scheduleEntries;
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scheduleArray.count = 0;
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memset(scheduleEntries, 0, sizeof(scheduleEntries));
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INIT_SCHEDULE_ENTRY(scheduleEntries[scheduleArray.count],
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sched_generate_next_id(), TIME_NONE, TIME_NONE, TIME_NONE,
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g_check_active_interval, tracker_mem_check_alive, NULL);
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scheduleArray.count++;
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INIT_SCHEDULE_ENTRY(scheduleEntries[scheduleArray.count],
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sched_generate_next_id(), 0, 0, 0,
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TRACKER_SYNC_STATUS_FILE_INTERVAL,
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tracker_write_status_to_file, NULL);
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scheduleArray.count++;
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return sched_add_entries(&scheduleArray);
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}
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int main(int argc, char *argv[])
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{
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const char *conf_filename;
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char *action;
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int result;
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int wait_count;
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pthread_t schedule_tid;
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char pidFilename[MAX_PATH_SIZE];
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bool stop;
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if (argc < 2)
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{
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sf_usage(argv[0]);
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return 1;
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}
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conf_filename = sf_parse_daemon_mode_and_action(argc, argv,
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&g_fdfs_version, &daemon_mode, &action);
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if (conf_filename == NULL)
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{
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return 0;
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}
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g_current_time = time(NULL);
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log_init2();
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if ((result=sf_get_base_path_from_conf_file(conf_filename)) != 0)
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{
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log_destroy();
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return result;
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}
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snprintf(pidFilename, sizeof(pidFilename),
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"%s/data/fdfs_trackerd.pid", SF_G_BASE_PATH_STR);
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if ((result=process_action(pidFilename, action, &stop)) != 0)
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{
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if (result == EINVAL)
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{
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sf_usage(argv[0]);
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}
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log_destroy();
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return result;
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}
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if (stop)
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{
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log_destroy();
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return 0;
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}
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#if defined(DEBUG_FLAG) && defined(OS_LINUX)
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if (getExeAbsoluteFilename(argv[0], g_exe_name, \
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sizeof(g_exe_name)) == NULL)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return errno != 0 ? errno : ENOENT;
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}
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#endif
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if ((result=tracker_load_from_conf_file(conf_filename)) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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if ((result=tracker_load_status_from_file(&g_tracker_last_status)) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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base64_init_ex(&g_base64_context, 0, '-', '_', '.');
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if ((result=set_rand_seed()) != 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"set_rand_seed fail, program exit!", __LINE__);
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return result;
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}
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if ((result=tracker_mem_init()) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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if ((result=sf_socket_server()) != 0)
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{
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log_destroy();
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return result;
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}
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if (daemon_mode)
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{
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daemon_init(false);
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}
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umask(0);
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if ((result=write_to_pid_file(pidFilename)) != 0)
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{
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log_destroy();
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return result;
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}
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if ((result=tracker_service_init()) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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if ((result=setup_signal_handlers()) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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#ifdef WITH_HTTPD
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if (!g_http_params.disabled)
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{
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if ((result=tracker_httpd_start(g_sf_context.inner_bind_addr)) != 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"tracker_httpd_start fail, program exit!", \
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__LINE__);
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return result;
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}
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}
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if ((result=tracker_http_check_start()) != 0)
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{
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logCrit("file: "__FILE__", line: %d, " \
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"tracker_http_check_start fail, " \
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"program exit!", __LINE__);
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return result;
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}
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#endif
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if ((result=set_run_by(g_sf_global_vars.run_by_group,
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g_sf_global_vars.run_by_user)) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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if ((result=sf_startup_schedule(&schedule_tid)) != 0)
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{
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log_destroy();
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return result;
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}
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if ((result=setup_schedule_tasks()) != 0)
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{
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log_destroy();
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return result;
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}
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if ((result=tracker_relationship_init()) != 0)
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{
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logCrit("exit abnormally!\n");
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log_destroy();
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return result;
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}
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log_set_cache(true);
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bTerminateFlag = false;
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bAcceptEndFlag = false;
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sf_accept_loop();
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bAcceptEndFlag = true;
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if (g_schedule_flag)
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{
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pthread_kill(schedule_tid, SIGINT);
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}
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#ifdef WITH_HTTPD
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if (g_http_check_flag)
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{
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tracker_http_check_stop();
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}
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while (g_http_check_flag)
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{
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usleep(50000);
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}
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#endif
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wait_count = 0;
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while ((SF_G_ALIVE_THREAD_COUNT != 0) || g_schedule_flag)
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{
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fc_sleep_ms(10);
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if (++wait_count > 3000)
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{
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logWarning("waiting timeout, exit!");
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break;
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}
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}
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tracker_mem_destroy();
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tracker_service_destroy();
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tracker_relationship_destroy();
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logInfo("exit normally.\n");
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log_destroy();
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delete_pid_file(pidFilename);
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return 0;
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}
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#if defined(DEBUG_FLAG)
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static void sigDumpHandler(int sig)
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{
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static bool bDumpFlag = false;
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char filename[256];
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if (bDumpFlag)
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{
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return;
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}
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bDumpFlag = true;
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snprintf(filename, sizeof(filename),
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"%s/logs/tracker_dump.log", SF_G_BASE_PATH_STR);
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fdfs_dump_tracker_global_vars_to_file(filename);
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bDumpFlag = false;
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}
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#endif
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static void sigQuitHandler(int sig)
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{
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if (!bTerminateFlag)
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{
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tcp_set_try_again_when_interrupt(false);
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set_timer(1, 1, sigAlarmHandler);
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bTerminateFlag = true;
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SF_G_CONTINUE_FLAG = false;
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logCrit("file: "__FILE__", line: %d, " \
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"catch signal %d, program exiting...", \
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__LINE__, sig);
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}
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}
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static void sigHupHandler(int sig)
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{
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if (g_sf_global_vars.error_log.rotate_everyday)
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{
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g_log_context.rotate_immediately = true;
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}
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logInfo("file: "__FILE__", line: %d, "
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"catch signal %d, rotate log", __LINE__, sig);
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}
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static void sigAlarmHandler(int sig)
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{
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ConnectionInfo server;
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if (bAcceptEndFlag)
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{
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return;
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}
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logDebug("file: "__FILE__", line: %d, " \
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"signal server to quit...", __LINE__);
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if (*g_sf_context.inner_bind_addr != '\0')
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{
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strcpy(server.ip_addr, g_sf_context.inner_bind_addr);
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}
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else
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{
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strcpy(server.ip_addr, "127.0.0.1");
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}
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server.port = SF_G_INNER_PORT;
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server.sock = -1;
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if (conn_pool_connect_server(&server, SF_G_CONNECT_TIMEOUT) != 0)
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{
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return;
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}
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fdfs_quit(&server);
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conn_pool_disconnect_server(&server);
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logDebug("file: "__FILE__", line: %d, " \
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"signal server to quit done", __LINE__);
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}
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static void sigUsrHandler(int sig)
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{
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logInfo("file: "__FILE__", line: %d, " \
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"catch signal %d, ignore it", __LINE__, sig);
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}
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