--- lbbs/include/common.h	2025/05/04 14:54:55	1.19
+++ lbbs/include/common.h	2025/11/17 02:32:42	1.65
@@ -1,70 +1,94 @@
-/***************************************************************************
-						  common.h  -  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 */
+/*
+ * common
+ *   - common definitions
+ *
+ * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
+ */
 
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
 #include <stddef.h>
+#include <libssh/libssh.h>
+#include <libssh/server.h>
 
-#define LINE_BUFFER_LEN 1024
-#define FILE_PATH_LEN 4096
-#define MAX_FILE_LINES 65536
+enum common_constant_t
+{
+    LINE_BUFFER_LEN = 1024,
+    FILE_PATH_LEN = 4096,
+
+    // Screen
+    SCREEN_ROWS = 24,
+    SCREEN_COLS = 80,
+
+    TAB_SIZE = 4,
+
+    // Network
+    MAX_CLIENT_LIMIT = 2000,
+    MAX_CLIENT_PER_IP_LIMIT = 100,
+    IP_ADDR_LEN = 50,
+    MAX_EVENTS = 10,
+};
 
 // Version
-extern char app_version[256];
+extern const char APP_INFO[];
 
 // Enviroment
-#define CONF_BBSNET "conf/bbsnet.conf"
-
-#define LOG_FILE_INFO "log/bbsd.log"
-#define LOG_FILE_ERROR "log/error.log"
-
-#define DATA_WELCOME "data/welcome.txt"
-#define DATA_REGISTER "data/register.txt"
-#define DATA_GOODBYE "data/goodbye.txt"
-#define DATA_LICENSE "data/license.txt"
-#define DATA_COPYRIGHT "data/copyright.txt"
-#define DATA_LOGIN_ERROR "data/login_error.txt"
-#define DATA_ACTIVE_BOARD "data/active_board.txt"
-#define DATA_READ_HELP "data/read_help.txt"
-
-#define VAR_MAX_USER_ONLINE "var/max_user_online.dat"
+extern const char CONF_BBSD[];
+extern const char CONF_MENU[];
+extern const char CONF_BBSNET[];
+extern const char CONF_BWF[];
+extern const char CONF_TOP10_MENU[];
+extern const char SSH_HOST_KEYFILE[];
+
+extern const char LOG_FILE_INFO[];
+extern const char LOG_FILE_ERROR[];
+
+extern const char DATA_WELCOME[];
+extern const char DATA_REGISTER[];
+extern const char DATA_GOODBYE[];
+extern const char DATA_LICENSE[];
+extern const char DATA_COPYRIGHT[];
+extern const char DATA_VERSION[];
+extern const char DATA_LOGIN_ERROR[];
+extern const char DATA_ACTIVE_BOARD[];
+extern const char DATA_READ_HELP[];
+extern const char DATA_EDITOR_HELP[];
+
+extern const char VAR_BBS_TOP[];
+
+extern const char VAR_ARTICLE_BLOCK_SHM[];
+extern const char VAR_SECTION_LIST_SHM[];
+extern const char VAR_TRIE_DICT_SHM[];
+extern const char VAR_USER_LIST_SHM[];
+
+extern const char VAR_ARTICLE_CACHE_DIR[];
+extern const char VAR_GEN_EX_MENU_DIR[];
+extern const char VAR_SECTION_AID_LOC_DIR[];
+
+// File loader
+extern const char *data_files_load_startup[];
+extern const int data_files_load_startup_count;
 
 // Network
-extern int socket_server;
-extern int socket_client;
-extern char hostaddr_server[50];
-extern char hostaddr_client[50];
-extern int port_server;
+extern char hostaddr_client[IP_ADDR_LEN];
 extern int port_client;
 
-// Signal
-#define SIG_RELOAD_MENU 0x22
-
-extern const char *str_space(char *string, int length);
-extern const char *get_time_str(char *string, size_t length);
+// SSHv2
+extern int SSH_v2;
+extern ssh_session SSH_session;
+extern ssh_channel SSH_channel;
 
 // Signal handler
-extern void reload_bbs_menu(int);
-extern void system_exit(int);
-extern void child_exit(int);
+extern void sig_hup_handler(int);
+extern void sig_term_handler(int);
+extern void sig_chld_handler(int);
 
 // System
-extern int SYS_exit;
-extern int SYS_child_process_count;
+extern volatile int SYS_server_exit;
+extern volatile int SYS_child_process_count;
+extern volatile int SYS_child_exit;
+extern volatile int SYS_conf_reload;
 
 #endif //_COMMON_H_