--- lbbs/src/main.c 2005/06/23 16:43:21 1.17 +++ lbbs/src/main.c 2025/11/19 14:47:08 1.84 @@ -1,169 +1,425 @@ -/*************************************************************************** - main.c - description - ------------------- - begin : Mon Oct 11 2004 - copyright : (C) 2004 by Leaflet - email : leaflet@leafok.com - ***************************************************************************/ - -/*************************************************************************** - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - ***************************************************************************/ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * main + * - entry of server program + * + * Copyright (C) 2004-2025 Leaflet + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif #include "bbs.h" +#include "bwf.h" #include "common.h" +#include "file_loader.h" +#include "init.h" #include "io.h" +#include "log.h" #include "menu.h" +#include "net_server.h" +#include "section_list_loader.h" +#include "user_list.h" +#include +#include +#include #include +#include +#include #include -#include #include +#include +#include +#include -void -app_help (void) +static void app_help(void) { - prints ("Usage: bbsd [-fhv] [...]\n\n" - "-f\t--foreground\t\tForce program run in foreground\n" - "-h\t--help\t\t\tDisplay this help message\n" - "-v\t--version\t\tDisplay version information\n" - "\t--display-log\t\tDisplay standard log information\n" - "\t--display-error-log\tDisplay error log information\n" - "\n If meet any bug, please report to \n\n"); + fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n" + "-f\t--foreground\t\tForce program run in foreground\n" + "-h\t--help\t\t\tDisplay this help message\n" + "-v\t--version\t\tDisplay version information\n" + "\t--display-log\t\tDisplay standard log information\n" + "\t--display-error-log\tDisplay error log information\n" + "\n If meet any bug, please report to \n\n"); } -void -arg_error (void) +static void arg_error(void) { - prints ("Invalid arguments\n"); - app_help (); + fprintf(stderr, "Invalid arguments\n"); + app_help(); } -int -main (int argc, char *argv[]) +int main(int argc, char *argv[]) { - char log_dir[256], file_log_std[256], file_log_error[256], file_config[256]; - int i, j; - int daemon = 1, std_log_redir = 0, error_log_redir = 0; - - //Parse args - for (i = 1; i < argc; i++) - { - switch (argv[i][0]) - { - case '-': - if (argv[i][1] != '-') - { - for (j = 1; j < strlen (argv[i]); j++) - { - switch (argv[i][j]) - { - case 'f': - daemon = 0; - break; - case 'h': - app_help (); - exit (0); - case 'v': - puts (app_version); - exit (0); - default: - arg_error (); - exit (1); - } - } - } - else - { - if (strcmp (argv[i] + 2, "foreground") == 0) - { - daemon = 0; - break; - } - if (strcmp (argv[i] + 2, "help") == 0) - { - app_help (); - exit (0); - } - if (strcmp (argv[i] + 2, "version") == 0) - { - puts (app_version); - exit (0); - } - if (strcmp (argv[i] + 2, "display-log") == 0) - { - std_log_redir = 1; - } - if (strcmp (argv[i] + 2, "display-error-log") == 0) - { - error_log_redir = 1; - } - } - break; - } - } - - //Initialize daemon - if (daemon) - init_daemon (); - - //Change current dir - strncpy (app_home_dir, argv[0], rindex (argv[0], '/') - argv[0] + 1); - strcat (app_home_dir, "../"); - chdir (app_home_dir); - - //Initialize log - strcpy (app_temp_dir, "/tmp/lbbs/"); - mkdir (app_temp_dir, 0777); - strcpy (log_dir, app_home_dir); - strcat (log_dir, "log/"); - strcpy (file_log_std, log_dir); - strcpy (file_log_error, log_dir); - strcat (file_log_std, "bbsd.log"); - strcat (file_log_error, "error.log"); - mkdir (log_dir, 0750); - if (log_begin (file_log_std, file_log_error) < 0) - exit (-1); - - if ((!daemon) && std_log_redir) - log_std_redirect (2); - if ((!daemon) && error_log_redir) - log_err_redirect (3); - - //Load configuration - strcpy (file_config, app_home_dir); - strcat (file_config, "conf/bbsd.conf"); - if (load_conf (file_config) < 0) - exit (-2); - - //Load menus - strcpy (file_config, app_home_dir); - strcat (file_config, "conf/menu.conf"); - if (load_menu (&bbs_menu, file_config) < 0) - exit (-3); - - //Set signal handler - signal (SIGCHLD, child_exit); - signal (SIGTERM, system_exit); - signal (SIG_RELOAD_MENU, reload_bbs_menu); - - //Initialize socket server - net_server (BBS_address, BBS_port); - - //Wait for child process exit - while (SYS_child_process_count > 0) - { - log_std ("."); - sleep(1); - } - - //Cleanup - unload_menu (&bbs_menu); - rmdir (app_temp_dir); + char file_path_temp[FILE_PATH_LEN]; + int daemon = 1; + int std_log_redir = 0; + int error_log_redir = 0; + FILE *fp; + int ret; + int last_aid; + struct sigaction act = {0}; + int i; + int j; + + // Parse args + for (i = 1; i < argc; i++) + { + switch (argv[i][0]) + { + case '-': + if (argv[i][1] != '-') + { + for (j = 1; j < strlen(argv[i]); j++) + { + switch (argv[i][j]) + { + case 'f': + daemon = 0; + break; + case 'h': + app_help(); + return 0; + case 'v': + printf("%s\n", APP_INFO); + printf("%s\n", COPYRIGHT_INFO); + return 0; + default: + arg_error(); + return 1; + } + } + } + else + { + if (strcmp(argv[i] + 2, "foreground") == 0) + { + daemon = 0; + break; + } + if (strcmp(argv[i] + 2, "help") == 0) + { + app_help(); + return 0; + } + if (strcmp(argv[i] + 2, "version") == 0) + { + printf("%s\n", APP_INFO); + printf("%s\n", COPYRIGHT_INFO); + return 0; + } + if (strcmp(argv[i] + 2, "display-log") == 0) + { + std_log_redir = 1; + } + if (strcmp(argv[i] + 2, "display-error-log") == 0) + { + error_log_redir = 1; + } + } + break; + } + } + + // Initialize daemon + if (daemon) + { + init_daemon(); + } + + // Change current dir + strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1); + file_path_temp[sizeof(file_path_temp) - 1] = '\0'; + + if (chdir(dirname(file_path_temp)) < 0) + { + fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno); + return -1; + } + if (chdir("..") < 0) + { + fprintf(stderr, "chdir(..) error: %d\n", errno); + return -1; + } + + // Apply the specified locale + if (setlocale(LC_ALL, "en_US.UTF-8") == NULL) + { + fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n"); + return -1; + } + + // Initialize log + if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0) + { + return -1; + } + + if ((!daemon) && std_log_redir) + { + log_common_redir(STDERR_FILENO); + } + if ((!daemon) && error_log_redir) + { + log_error_redir(STDERR_FILENO); + } + + log_common("Starting %s\n", APP_INFO); + + // Load configuration + if (load_conf(CONF_BBSD) < 0) + { + return -2; + } + + // Load BWF config + if (bwf_load(CONF_BWF) < 0) + { + return -2; + } + + // Check article cache dir + ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750); + if (ret == -1 && errno != EEXIST) + { + log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno); + goto cleanup; + } + + // Check section aid location dir + ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750); + if (ret == -1 && errno != EEXIST) + { + log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno); + goto cleanup; + } + + // Initialize data pools + if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL) + { + log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM); + goto cleanup; + } + fclose(fp); + if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL) + { + log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM); + goto cleanup; + } + fclose(fp); + if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL) + { + log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM); + goto cleanup; + } + fclose(fp); + if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL) + { + log_error("fopen(%s) error\n", VAR_USER_LIST_SHM); + goto cleanup; + } + fclose(fp); + + if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0) + { + log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL); + goto cleanup; + } + if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0) + { + log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block); + goto cleanup; + } + if (section_list_init(VAR_SECTION_LIST_SHM) < 0) + { + log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM); + goto cleanup; + } + + // Load BBS cmd + if (load_cmd() < 0) + { + goto cleanup; + } + + // Load menus + if (load_menu(&bbs_menu, CONF_MENU) < 0) + { + log_error("load_menu(bbs_menu) error\n"); + goto cleanup; + } + if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0) + { + log_error("load_menu(top10_menu) error\n"); + goto cleanup; + } + top10_menu.allow_exit = 1; + + // Load data files + for (int i = 0; i < data_files_load_startup_count; i++) + { + if (load_file(data_files_load_startup[i]) < 0) + { + log_error("load_file(%s) error\n", data_files_load_startup[i]); + } + } + + // Load user_list and online_user_list + if (user_list_pool_init(VAR_USER_LIST_SHM) < 0) + { + log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM); + goto cleanup; + } + if (user_list_pool_reload(0) < 0) + { + log_error("user_list_pool_reload(all_user) error\n"); + goto cleanup; + } + if (user_list_pool_reload(1) < 0) + { + log_error("user_list_pool_reload(online_user) error\n"); + goto cleanup; + } + + // Load section config and gen_ex + if (load_section_config_from_db(1) < 0) + { + log_error("load_section_config_from_db(0) error\n"); + goto cleanup; + } + + set_last_article_op_log_from_db(); + last_aid = 0; + + // Load section articles + do + { + if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0) + { + log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT); + goto cleanup; + } + + last_aid = article_block_last_aid(); + } while (ret == LOAD_ARTICLE_COUNT_LIMIT); + + log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid()); + + if ((ret = user_stat_update()) < 0) + { + log_error("user_stat_update() error\n"); + goto cleanup; + } + + // Set signal handler + act.sa_handler = sig_hup_handler; + if (sigaction(SIGHUP, &act, NULL) == -1) + { + log_error("set signal action of SIGHUP error: %d\n", errno); + goto cleanup; + } + act.sa_handler = sig_chld_handler; + if (sigaction(SIGCHLD, &act, NULL) == -1) + { + log_error("set signal action of SIGCHLD error: %d\n", errno); + goto cleanup; + } + act.sa_handler = sig_term_handler; + if (sigaction(SIGTERM, &act, NULL) == -1) + { + log_error("set signal action of SIGTERM error: %d\n", errno); + goto cleanup; + } + act.sa_handler = SIG_IGN; + if (sigaction(SIGUSR1, &act, NULL) == -1) + { + log_error("set signal action of SIGUSR1 error: %d\n", errno); + goto cleanup; + } + + // Launch section_list_loader process + if (section_list_loader_launch() < 0) + { + log_error("section_list_loader_launch() error\n"); + goto cleanup; + } + + // Initialize socket server + net_server(BBS_address, BBS_port); + +cleanup: + // Cleanup loader process if still running + if (SYS_child_process_count > 0) + { + SYS_child_exit = 0; + + if (kill(section_list_loader_pid, SIGTERM) < 0) + { + log_error("Send SIGTERM signal failed (%d)\n", errno); + } + + for(i = 0; SYS_child_exit == 0 && i < 5; i++) + { + sleep(1); // second + } + + if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0) + { + log_error("waitpid(%d) error (%d)\n", section_list_loader_pid, errno); + } + else if (ret == 0) + { + log_common("Force kill section_list_loader process (%d)\n", section_list_loader_pid); + if (kill(section_list_loader_pid, SIGKILL) < 0) + { + log_error("Send SIGKILL signal failed (%d)\n", errno); + } + } + } + + // Cleanup loaded data files + for (int i = 0; i < data_files_load_startup_count; i++) + { + if (unload_file(data_files_load_startup[i]) < 0) + { + log_error("unload_file(%s) error\n", data_files_load_startup[i]); + } + } + + // Cleanup menu + unload_menu(&bbs_menu); + unload_menu(&top10_menu); + + // Cleanup data pools + section_list_cleanup(); + article_block_cleanup(); + trie_dict_cleanup(); + user_list_pool_cleanup(); + + // Cleanup BWF + bwf_unload(); + + if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0) + { + log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM); + } + if (unlink(VAR_SECTION_LIST_SHM) < 0) + { + log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM); + } + if (unlink(VAR_TRIE_DICT_SHM) < 0) + { + log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM); + } + if (unlink(VAR_USER_LIST_SHM) < 0) + { + log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM); + } + + log_common("Main process exit normally\n"); + + log_end(); - return 0; + return 0; }