--- lbbs/src/bbs_main.c 2004/10/22 15:20:32 1.7 +++ lbbs/src/bbs_main.c 2025/11/20 09:02:46 1.111 @@ -1,72 +1,451 @@ -/*************************************************************************** - bbs_main.c - description - ------------------- - begin : Mon Oct 18 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 */ +/* + * bbs_main + * - entry and major procedures of user interactive access + * + * Copyright (C) 2004-2025 Leaflet + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "article_favor.h" +#include "article_view_log.h" #include "bbs.h" +#include "bbs_cmd.h" +#include "bbs_main.h" +#include "bwf.h" #include "common.h" +#include "database.h" +#include "editor.h" #include "io.h" +#include "log.h" +#include "login.h" +#include "menu.h" +#include "screen.h" +#include "section_list.h" +#include "section_list_display.h" +#include "str_process.h" +#include "trie_dict.h" +#include "user_list.h" +#include "user_priv.h" +#include +#include +#include +#include +#include +#include +#include -int -bbs_main() +static void child_proc_sig_usr1_handler(int i) { - int ret; - - bbs_info(); - bbs_welcome(); + // Restart log + if (log_restart() < 0) + { + log_error("Restart logging failed\n"); + } +} + +int bbs_info() +{ + prints("\r\n欢迎光临 \033[1;33m%s \033[32m[%s] \033[37m(%s)\033[m\r\n", + BBS_name, BBS_server, APP_INFO); - ret = bbs_login(); - if (ret < 0) - return -1; - - bbs_center(); + return iflush(); +} + +int bbs_welcome(void) +{ + int u_online = 0; + int u_anonymous = 0; + int u_total = 0; + int u_login_count = 0; + + if (get_user_online_list_count(&u_online, &u_anonymous) < 0) + { + log_error("get_user_online_list_count() error\n"); + u_online = 0; + } + u_online += u_anonymous; + u_online++; // current user + if (BBS_priv.uid == 0) + { + u_anonymous++; + } + + if (get_user_list_count(&u_total) < 0) + { + log_error("get_user_list_count() error\n"); + u_total = 0; + } + + if (get_user_login_count(&u_login_count) < 0) + { + log_error("get_user_login_count() error\n"); + u_login_count = 0; + } + + // Display logo + display_file(DATA_WELCOME, 2); + + // Display welcome message + prints("\r\033[1;35m欢迎光临\033[33m 【 %s 】 \033[35mBBS\r\n" + "\033[32m目前上站人数 [\033[36m%d/%d\033[32m] " + "匿名游客[\033[36m%d\033[32m] " + "注册用户数[\033[36m%d/%d\033[32m]\r\n" + "从 [\033[36m%s\033[32m] 起，累计访问人次: [\033[36m%d\033[32m]\033[m\r\n", + BBS_name, u_online, BBS_max_client, u_anonymous, u_total, + BBS_max_user_count, BBS_start_dt, u_login_count); - bbs_exit(); + iflush(); - return 0; + return 0; } -int -bbs_info() +int bbs_logout(void) { - prints( - "\033[1;37mӭ \033[33m%s \033[32m[%s] \033[37m( %s )\r\n", - BBS_name, BBS_server, app_version); - - iflush(); + MYSQL *db; + + db = db_open(); + if (db == NULL) + { + return -1; + } + + if (user_online_exp(db) < 0) + { + return -2; + } + + if (user_online_del(db) < 0) + { + return -3; + } + + mysql_close(db); + + display_file(DATA_GOODBYE, 1); + + log_common("User [%s] logout, idle for %ld seconds since last input\n", BBS_username, time(NULL) - BBS_last_access_tm); - return 0; + return 0; } -int -bbs_exit() +int bbs_center() { - prints("\033[0;37m\r\n"); - iflush(); + int ch; + time_t t_last_action; - sleep(1); - - return 0; + BBS_last_access_tm = t_last_action = time(NULL); + + clearscr(); + + show_top("", BBS_name, ""); + show_active_board(); + show_bottom(""); + display_menu(&bbs_menu); + iflush(); + + while (!SYS_server_exit) + { + ch = igetch(100); + + if (ch != KEY_NULL && ch != KEY_TIMEOUT) + { + BBS_last_access_tm = time(NULL); +#ifdef _DEBUG + log_error("Debug: BBS_last_access_tm is updated\n"); +#endif + } + + if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10) + { + t_last_action = time(NULL); + + show_active_board(); + show_bottom(""); + display_menu_cursor(&bbs_menu, 1); + iflush(); + } + + if (user_online_update("MENU") < 0) + { + log_error("user_online_update(MENU) error\n"); + } + + switch (ch) + { + case KEY_NULL: // broken pipe + log_error("KEY_NULL\n"); + return 0; + case KEY_TIMEOUT: + if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time) + { + log_error("User input timeout\n"); + return 0; + } + continue; + case CR: + default: + switch (menu_control(&bbs_menu, ch)) + { + case EXITBBS: + case EXITMENU: + return 0; + case REDRAW: + t_last_action = time(NULL); + clearscr(); + show_top("", BBS_name, ""); + show_active_board(); + show_bottom(""); + display_menu(&bbs_menu); + break; + case NOREDRAW: + case UNKNOWN_CMD: + default: + break; + } + iflush(); + } + } + + return 0; } -int -bbs_center() +int bbs_charset_select() { - show_top(); + char msg[LINE_BUFFER_LEN]; + int ch; + + snprintf(msg, sizeof(msg), + "\rChoose character set in 5 seconds, (U)UTF-8, (G)GBK [U]: "); + + while (!SYS_server_exit) + { + ch = press_any_key_ex(msg, 5); + switch (toupper(ch)) + { + case KEY_NULL: + return -1; + case KEY_TIMEOUT: + case CR: + case 'U': + break; + case 'G': + if (io_conv_init("GBK") < 0) + { + log_error("io_conv_init(%s) error\n", "GBK"); + return -1; + } + break; + default: + continue; + } + + break; + } + + snprintf(msg, sizeof(msg), + "\r请在5秒内选择宽字符显示规则, (V)变宽, (F)定宽? [V]: "); + + while (!SYS_server_exit) + { + ch = press_any_key_ex(msg, 5); + switch (toupper(ch)) + { + case KEY_NULL: + return -1; + case KEY_TIMEOUT: + case CR: + case 'V': + UTF8_fixed_width = 0; + break; + case 'F': + UTF8_fixed_width = 1; + break; + default: + continue; + } + + break; + } + + return 0; +} + +int bbs_main() +{ + struct sigaction act = {0}; + char msg[LINE_BUFFER_LEN]; + + // Set signal handler + act.sa_handler = SIG_IGN; + if (sigaction(SIGHUP, &act, NULL) == -1) + { + log_error("set signal action of SIGHUP error: %d\n", errno); + goto cleanup; + } + act.sa_handler = SIG_DFL; + if (sigaction(SIGCHLD, &act, NULL) == -1) + { + log_error("set signal action of SIGCHLD error: %d\n", errno); + goto cleanup; + } + act.sa_handler = child_proc_sig_usr1_handler; + if (sigaction(SIGUSR1, &act, NULL) == -1) + { + log_error("set signal action of SIGUSR1 error: %d\n", errno); + goto cleanup; + } + + // Set data pools in shared memory readonly + if (set_trie_dict_shm_readonly() < 0) + { + goto cleanup; + } + if (set_article_block_shm_readonly() < 0) + { + goto cleanup; + } + if (set_section_list_shm_readonly() < 0) + { + goto cleanup; + } +#ifdef HAVE_SYSTEM_V + if (set_user_list_pool_shm_readonly() < 0) + { + goto cleanup; + } +#endif + + // Load menu in shared memory + if (set_menu_shm_readonly(&bbs_menu) < 0) + { + goto cleanup; + } + + // Set default charset + if (io_conv_init(BBS_default_charset) < 0) + { + log_error("io_conv_init(%s) error\n", BBS_default_charset); + goto cleanup; + } + + set_input_echo(0); + + // Set user charset + if (bbs_charset_select() < 0) + { + goto cleanup; + } + + // System info + if (bbs_info() < 0) + { + goto cleanup; + } + + // Welcome + if (bbs_welcome() < 0) + { + goto cleanup; + } + + // User login + if (SSH_v2) + { + snprintf(msg, sizeof(msg), "\033[1m%s 欢迎使用ssh方式访问 \033[1;33m按任意键继续...\033[m", BBS_username); + press_any_key_ex(msg, 60); + } + else if (bbs_login() < 0) + { + goto cleanup; + } + log_common("User [%s] login\n", BBS_username); + + // Load section aid locations + if (section_aid_locations_load(BBS_priv.uid) < 0) + { + log_error("article_view_log_load() error\n"); + goto cleanup; + } + + // Load article view log + if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0) + { + log_error("article_view_log_load() error\n"); + goto cleanup; + } + + // Load article favorite + if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0) + { + log_error("article_favor_load() error\n"); + goto cleanup; + } + + // Init editor memory pool + if (editor_memory_pool_init() < 0) + { + log_error("editor_memory_pool_init() error\n"); + goto cleanup; + } + + clearscr(); + + // BBS Top 10 + display_file(VAR_BBS_TOP, 1); + + // Main + bbs_center(); + + // Logout + bbs_logout(); + + // Save section aid locations + if (section_aid_locations_save(BBS_priv.uid) < 0) + { + log_error("article_view_log_save() error\n"); + } + + // Save incremental article view log + if (article_view_log_save_inc(&BBS_article_view_log) < 0) + { + log_error("article_view_log_save_inc() error\n"); + } + + // Save incremental article favorite + if (article_favor_save_inc(&BBS_article_favor) < 0) + { + log_error("article_favor_save_inc() error\n"); + } + +cleanup: + // Cleanup iconv + io_conv_cleanup(); + + // Cleanup editor memory pool + editor_memory_pool_cleanup(); + + // Unload article view log + article_view_log_unload(&BBS_article_view_log); + + // Unload article favor + article_favor_unload(&BBS_article_favor); + + // Detach menu in shared memory + detach_menu_shm(&bbs_menu); + detach_menu_shm(&top10_menu); + + // Detach data pools shm + detach_user_list_pool_shm(); + detach_section_list_shm(); + detach_article_block_shm(); + detach_trie_dict_shm(); - show_bottom(); + // Cleanup BWF + bwf_unload(); - return 0; + return 0; }