--- lbbs/src/bbs_main.c	2025/04/30 09:18:19	1.32
+++ lbbs/src/bbs_main.c	2025/11/04 13:49:51	1.97
@@ -1,118 +1,230 @@
-/***************************************************************************
-						  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 by Leaflet <leaflet@leafok.com>
+ */
 
-#include "bbs_main.h"
+#include "article_favor.h"
+#include "article_view_log.h"
 #include "bbs.h"
-#include "welcome.h"
-#include "login.h"
-#include "user_priv.h"
+#include "bbs_cmd.h"
+#include "bbs_main.h"
 #include "common.h"
-#include "log.h"
+#include "database.h"
+#include "editor.h"
 #include "io.h"
-#include "screen.h"
+#include "log.h"
+#include "login.h"
 #include "menu.h"
-#include "bbs_cmd.h"
-#include <unistd.h>
-#include <time.h>
+#include "screen.h"
+#include "section_list.h"
+#include "section_list_display.h"
+#include "trie_dict.h"
+#include "user_list.h"
+#include "user_priv.h"
+#include <errno.h>
+#include <signal.h>
+#include <stdlib.h>
 #include <string.h>
+#include <time.h>
+#include <unistd.h>
 
 int bbs_info()
 {
-	prints("»¶Ó­¹âÁÙ \033[1;33m%s \033[32m[%s]  \033[37m( %s )\r\n",
-		   BBS_name, BBS_server, app_version);
+	prints("欢迎光临 \033[1;33m%s \033[32m[%s]  \033[37m( %s )\033[m\r\n",
+		   BBS_name, BBS_server, APP_INFO);
+
+	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�上站人数 [\033[36m%d/%d\033[32m] "
+		   "匿�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);
 
 	iflush();
 
 	return 0;
 }
 
-int bbs_exit()
+int bbs_logout(void)
 {
-	char temp[256];
+	MYSQL *db;
 
-	strcpy(temp, app_home_dir);
-	strcat(temp, "data/goodbye.txt");
-	display_file_ex(temp, 1, 0);
+	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);
 
-	sleep(1);
+	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;
 }
 
 int bbs_center()
 {
-	int ch, result, redraw;
-	char temp[256];
+	int ch;
 	time_t t_last_action;
 
-	BBS_last_access_tm = t_last_action = time(0);
+	BBS_last_access_tm = t_last_action = time(NULL);
 
 	clearscr();
 
-	show_top("");
+	show_top("", BBS_name, "");
 	show_active_board();
 	show_bottom("");
-	display_menu(get_menu(&bbs_menu, "TOPMENU"));
+	display_menu(&bbs_menu);
+	iflush();
 
-	while (!SYS_exit)
+	while (!SYS_server_exit)
 	{
-		ch = igetch();
+		ch = igetch(100);
+
+		if (ch != KEY_NULL && ch != KEY_TIMEOUT)
+		{
+			BBS_last_access_tm = time(NULL);
+		}
 
-		if (time(0) - t_last_action >= 10)
+		if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
 		{
-			t_last_action = time(0);
+			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:
+		case KEY_NULL: // broken pipe
+			log_error("KEY_NULL\n");
 			return 0;
 		case KEY_TIMEOUT:
-			if (time(0) - BBS_last_access_tm >= MAX_DELAY_TIME)
+			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
 			{
-				return -1;
+				log_error("User input timeout\n");
+				return 0;
 			}
 			continue;
+		case CR:
 		default:
-			redraw = 1;
 			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:
-				redraw = 0;
 				break;
 			}
-			if (redraw)
+			iflush();
+		}
+	}
+
+	return 0;
+}
+
+int bbs_charset_select()
+{
+	char msg[LINE_BUFFER_LEN];
+	int ch;
+
+	snprintf(msg, sizeof(msg),
+			 "\rChoose character set in 5 seconds [UTF-8, GBK]: [U/g]");
+
+	while (!SYS_server_exit)
+	{
+		ch = press_any_key_ex(msg, 5);
+		switch (ch)
+		{
+		case KEY_NULL:
+			return -1;
+		case KEY_TIMEOUT:
+		case CR:
+		case 'u':
+		case 'U':
+			return 0;
+		case 'g':
+		case 'G':
+			if (io_conv_init("GBK") < 0)
 			{
-				clearscr();
-				show_top("");
-				show_active_board();
-				show_bottom("");
-				display_current_menu(&bbs_menu);
+				log_error("io_conv_init(%s) error\n", "GBK");
+				return -1;
 			}
+			return 0;
+		default:
+			continue;
 		}
-		BBS_last_access_tm = time(0);
 	}
 
 	return 0;
@@ -120,35 +232,162 @@ int bbs_center()
 
 int bbs_main()
 {
-	char temp[256];
-	int ret;
+	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;
+	}
+
+	// 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;
+	}
+	if (set_user_list_pool_shm_readonly() < 0)
+	{
+		goto cleanup;
+	}
+
+	// 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);
 
-	bbs_info();
+	// Set user charset
+	bbs_charset_select();
+
+	// System info
+	if (bbs_info() < 0)
+	{
+		goto cleanup;
+	}
 
 	// Welcome
-	bbs_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�访问 \033[1;33m按任�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;
+	}
 
-	// Login
-	ret = bbs_login();
-	if (ret < 0)
-		return -1;
-	log_std("User \"%s\"(%ld) login from %s:%d\n",
-			BBS_username, BBS_priv.uid, hostaddr_client, port_client);
 	clearscr();
 
 	// BBS Top 10
-	strcpy(temp, app_home_dir);
-	strcat(temp, "data/bbs_top.txt");
-	display_file_ex(temp, 1, 1);
+	display_file(VAR_BBS_TOP, 1);
 
 	// Main
 	bbs_center();
 
 	// Logout
-	bbs_exit();
-	log_std("User logout\n");
+	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();
 
 	return 0;
 }