lbbs/src/main.c

/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * main
 *   - entry of server program
 *
 * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
 */

#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 "lml.h"
#include "log.h"
#include "menu.h"
#include "net_server.h"
#include "section_list_loader.h"
#include "user_list.h"
#include <errno.h>
#include <libgen.h>
#include <locale.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>

static inline void app_help(void)
{
        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"
                                        "-C\t--compile-config\tDisplay compile configuration\n"
                                        "\n    If meet any bug, please report to <leaflet@leafok.com>\n\n");
}

static inline void arg_error(void)
{
        fprintf(stderr, "Invalid arguments\n");
        app_help();
}

static inline void app_compile_info(void)
{
        printf("%s\n"
                   "--enable-shared\t\t[%s]\n"
                   "--enable-systemd\t[%s]\n"
                   "--with-debug\t\t[%s]\n"
                   "--with-epoll\t\t[%s]\n"
                   "--with-mariadb\t\t[%s]\n"
                   "--with-sysv\t\t[%s]\n",
                   APP_INFO,
#ifdef _ENABLE_SHARED
                   "yes",
#else
                   "no",
#endif
#ifdef HAVE_SYSTEMD_SD_DAEMON_H
                   "yes",
#else
                   "no",
#endif
#ifdef _DEBUG
                   "yes",
#else
                   "no",
#endif
#ifdef HAVE_SYS_EPOLL_H
                   "yes",
#else
                   "no",
#endif
#ifdef HAVE_MARIADB_CLIENT
                   "yes",
#else
                   "no",
#endif
#ifdef HAVE_SYSTEM_V
                   "yes"
#else
                   "no"
#endif
        );
}

int main(int argc, char *argv[])
{
        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;
        struct stat file_stat;

        // 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;
                                        case 'C':
                                                app_compile_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;
                                }
                                if (strcmp(argv[i] + 2, "compile-config") == 0)
                                {
                                        app_compile_info();
                                        return 0;
                                }
                        }
                        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", APP_INFO);

        // Load configuration
        if (load_conf(CONF_BBSD) < 0)
        {
                return -2;
        }

        // Load BWF config
        if (bwf_load(CONF_BWF) < 0)
        {
                return -2;
        }

        // Get EULA modification tm
        if (stat(DATA_EULA, &file_stat) == -1)
        {
                log_error("stat(%s) error", DATA_EULA, errno);
                goto cleanup;
        }
        BBS_eula_tm = file_stat.st_mtim.tv_sec;

        // Check article cache dir
        ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
        if (ret == -1 && errno != EEXIST)
        {
                log_error("mkdir(%s) error (%d)", 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)", 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", VAR_ARTICLE_BLOCK_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error", VAR_TRIE_DICT_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error", 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", 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", 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", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }

        // Init LML module
        if (lml_init() < 0)
        {
                log_error("lml_init() error");
                goto cleanup;
        }

        // Load BBS cmd
        if (load_cmd() < 0)
        {
                log_error("load_cmd() error");
                goto cleanup;
        }

        // Load menus
        if (load_menu(&bbs_menu, CONF_MENU) < 0)
        {
                log_error("load_menu(bbs_menu) error");
                goto cleanup;
        }
        if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
        {
                log_error("load_menu(top10_menu) error");
                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", 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", VAR_USER_LIST_SHM);
                goto cleanup;
        }
        if (user_list_pool_reload(0) < 0)
        {
                log_error("user_list_pool_reload(all_user) error");
                goto cleanup;
        }
        if (user_list_pool_reload(1) < 0)
        {
                log_error("user_list_pool_reload(online_user) error");
                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");
                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", 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", article_block_article_count(), article_block_last_aid());

        if ((ret = user_stat_update()) < 0)
        {
                log_error("user_stat_update() error");
                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", errno);
                goto cleanup;
        }
        act.sa_handler = sig_chld_handler;
        if (sigaction(SIGCHLD, &act, NULL) == -1)
        {
                log_error("set signal action of SIGCHLD error: %d", errno);
                goto cleanup;
        }
        act.sa_handler = sig_term_handler;
        if (sigaction(SIGTERM, &act, NULL) == -1)
        {
                log_error("set signal action of SIGTERM error: %d", errno);
                goto cleanup;
        }
        act.sa_handler = SIG_IGN;
        if (sigaction(SIGPIPE, &act, NULL) == -1)
        {
                log_error("set signal action of SIGPIPE error: %d", errno);
                goto cleanup;
        }
        act.sa_handler = SIG_IGN;
        if (sigaction(SIGUSR1, &act, NULL) == -1)
        {
                log_error("set signal action of SIGUSR1 error: %d", errno);
                goto cleanup;
        }

        // Launch section_list_loader process
        if (section_list_loader_launch() < 0)
        {
                log_error("section_list_loader_launch() error");
                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)", 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)", section_list_loader_pid, errno);
                }
                else if (ret == 0)
                {
                        log_common("Force kill section_list_loader process (%d)", section_list_loader_pid);
                        if (kill(section_list_loader_pid, SIGKILL) < 0)
                        {
                                log_error("Send SIGKILL signal failed (%d)", 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", data_files_load_startup[i]);
                }
        }

        // Cleanup menu
        unload_menu(&bbs_menu);
        unload_menu(&top10_menu);

        // Cleanup LML module
        lml_cleanup();

        // Cleanup data pools
        section_list_cleanup();
        article_block_cleanup();
        trie_dict_cleanup();
        user_list_pool_cleanup();

        if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
        {
                log_error("unlink(%s) error", VAR_ARTICLE_BLOCK_SHM);
        }
        if (unlink(VAR_SECTION_LIST_SHM) < 0)
        {
                log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
        }
        if (unlink(VAR_TRIE_DICT_SHM) < 0)
        {
                log_error("unlink(%s) error", VAR_TRIE_DICT_SHM);
        }
        if (unlink(VAR_USER_LIST_SHM) < 0)
        {
                log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
        }

        log_common("Main process exit normally");

        log_end();

        return 0;
}
1	sysadm	1.69	/* SPDX-License-Identifier: GPL-3.0-or-later */
2			/*
3			* main
4			* - entry of server program
5			*
6	sysadm	1.70	* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7	sysadm	1.69	*/
8	sysadm	1.1
9	sysadm	1.74	#ifdef HAVE_CONFIG_H
10			#include "config.h"
11			#endif
12
13	sysadm	1.4	#include "bbs.h"
14	sysadm	1.72	#include "bwf.h"
15	sysadm	1.55	#include "common.h"
16			#include "file_loader.h"
17	sysadm	1.20	#include "init.h"
18	sysadm	1.55	#include "io.h"
19	sysadm	1.91	#include "lml.h"
20	sysadm	1.20	#include "log.h"
21	sysadm	1.9	#include "menu.h"
22	sysadm	1.55	#include "net_server.h"
23	sysadm	1.42	#include "section_list_loader.h"
24	sysadm	1.63	#include "user_list.h"
25	sysadm	1.48	#include <errno.h>
26	sysadm	1.55	#include <libgen.h>
27	sysadm	1.73	#include <locale.h>
28	sysadm	1.55	#include <signal.h>
29	sysadm	1.56	#include <stdio.h>
30	sysadm	1.20	#include <stdlib.h>
31	sysadm	1.7	#include <string.h>
32	sysadm	1.20	#include <unistd.h>
33	sysadm	1.55	#include <sys/stat.h>
34	sysadm	1.15	#include <sys/types.h>
35	sysadm	1.80	#include <sys/wait.h>
36	sysadm	1.1
37	sysadm	1.87	static inline void app_help(void)
38	sysadm	1.6	{
39	sysadm	1.56	fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
40			"-f\t--foreground\t\tForce program run in foreground\n"
41			"-h\t--help\t\t\tDisplay this help message\n"
42			"-v\t--version\t\tDisplay version information\n"
43			"\t--display-log\t\tDisplay standard log information\n"
44			"\t--display-error-log\tDisplay error log information\n"
45	sysadm	1.87	"-C\t--compile-config\tDisplay compile configuration\n"
46	sysadm	1.56	"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
47	sysadm	1.6	}
48
49	sysadm	1.87	static inline void arg_error(void)
50	sysadm	1.6	{
51	sysadm	1.56	fprintf(stderr, "Invalid arguments\n");
52	sysadm	1.18	app_help();
53	sysadm	1.6	}
54
55	sysadm	1.87	static inline void app_compile_info(void)
56			{
57			printf("%s\n"
58			"--enable-shared\t\t[%s]\n"
59			"--enable-systemd\t[%s]\n"
60			"--with-debug\t\t[%s]\n"
61			"--with-epoll\t\t[%s]\n"
62			"--with-mariadb\t\t[%s]\n"
63			"--with-sysv\t\t[%s]\n",
64			APP_INFO,
65			#ifdef _ENABLE_SHARED
66			"yes",
67			#else
68			"no",
69			#endif
70			#ifdef HAVE_SYSTEMD_SD_DAEMON_H
71			"yes",
72			#else
73			"no",
74			#endif
75			#ifdef _DEBUG
76			"yes",
77			#else
78			"no",
79			#endif
80			#ifdef HAVE_SYS_EPOLL_H
81			"yes",
82			#else
83			"no",
84			#endif
85			#ifdef HAVE_MARIADB_CLIENT
86			"yes",
87			#else
88			"no",
89			#endif
90			#ifdef HAVE_SYSTEM_V
91			"yes"
92			#else
93			"no"
94			#endif
95			);
96			}
97
98	sysadm	1.18	int main(int argc, char *argv[])
99	sysadm	1.1	{
100	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
101			int daemon = 1;
102			int std_log_redir = 0;
103			int error_log_redir = 0;
104	sysadm	1.42	FILE *fp;
105	sysadm	1.47	int ret;
106			int last_aid;
107	sysadm	1.52	struct sigaction act = {0};
108	sysadm	1.80	int i;
109			int j;
110	sysadm	1.88	struct stat file_stat;
111	sysadm	1.18
112			// Parse args
113	sysadm	1.80	for (i = 1; i < argc; i++)
114	sysadm	1.12	{
115	sysadm	1.18	switch (argv[i][0])
116	sysadm	1.12	{
117	sysadm	1.18	case '-':
118			if (argv[i][1] != '-')
119			{
120	sysadm	1.80	for (j = 1; j < strlen(argv[i]); j++)
121	sysadm	1.18	{
122			switch (argv[i][j])
123			{
124			case 'f':
125			daemon = 0;
126			break;
127			case 'h':
128			app_help();
129	sysadm	1.30	return 0;
130	sysadm	1.18	case 'v':
131	sysadm	1.77	printf("%s\n", APP_INFO);
132			printf("%s\n", COPYRIGHT_INFO);
133	sysadm	1.30	return 0;
134	sysadm	1.87	case 'C':
135			app_compile_info();
136			return 0;
137	sysadm	1.18	default:
138			arg_error();
139	sysadm	1.30	return 1;
140	sysadm	1.18	}
141			}
142			}
143			else
144			{
145			if (strcmp(argv[i] + 2, "foreground") == 0)
146			{
147			daemon = 0;
148			break;
149			}
150			if (strcmp(argv[i] + 2, "help") == 0)
151			{
152			app_help();
153	sysadm	1.30	return 0;
154	sysadm	1.18	}
155			if (strcmp(argv[i] + 2, "version") == 0)
156			{
157	sysadm	1.76	printf("%s\n", APP_INFO);
158			printf("%s\n", COPYRIGHT_INFO);
159	sysadm	1.30	return 0;
160	sysadm	1.18	}
161			if (strcmp(argv[i] + 2, "display-log") == 0)
162			{
163			std_log_redir = 1;
164			}
165			if (strcmp(argv[i] + 2, "display-error-log") == 0)
166			{
167			error_log_redir = 1;
168			}
169	sysadm	1.87	if (strcmp(argv[i] + 2, "compile-config") == 0)
170			{
171			app_compile_info();
172			return 0;
173			}
174	sysadm	1.18	}
175			break;
176	sysadm	1.12	}
177			}
178
179	sysadm	1.18	// Initialize daemon
180			if (daemon)
181	sysadm	1.20	{
182	sysadm	1.31	init_daemon();
183	sysadm	1.20	}
184	sysadm	1.18
185			// Change current dir
186	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
187	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
188
189	sysadm	1.61	if (chdir(dirname(file_path_temp)) < 0)
190			{
191			fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
192			return -1;
193			}
194			if (chdir("..") < 0)
195			{
196			fprintf(stderr, "chdir(..) error: %d\n", errno);
197			return -1;
198			}
199	sysadm	1.18
200	sysadm	1.73	// Apply the specified locale
201			if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
202			{
203			fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
204			return -1;
205			}
206
207	sysadm	1.18	// Initialize log
208	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
209			{
210	sysadm	1.30	return -1;
211	sysadm	1.21	}
212	sysadm	1.18
213			if ((!daemon) && std_log_redir)
214	sysadm	1.21	{
215	sysadm	1.50	log_common_redir(STDERR_FILENO);
216	sysadm	1.21	}
217	sysadm	1.18	if ((!daemon) && error_log_redir)
218	sysadm	1.21	{
219	sysadm	1.50	log_error_redir(STDERR_FILENO);
220	sysadm	1.21	}
221	sysadm	1.18
222	sysadm	1.90	log_common("Starting %s", APP_INFO);
223	sysadm	1.51
224	sysadm	1.18	// Load configuration
225	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
226			{
227	sysadm	1.30	return -2;
228	sysadm	1.26	}
229	sysadm	1.18
230	sysadm	1.72	// Load BWF config
231			if (bwf_load(CONF_BWF) < 0)
232			{
233			return -2;
234			}
235
236	sysadm	1.88	// Get EULA modification tm
237			if (stat(DATA_EULA, &file_stat) == -1)
238			{
239	sysadm	1.90	log_error("stat(%s) error", DATA_EULA, errno);
240	sysadm	1.88	goto cleanup;
241			}
242			BBS_eula_tm = file_stat.st_mtim.tv_sec;
243
244	sysadm	1.48	// Check article cache dir
245	sysadm	1.49	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
246	sysadm	1.48	if (ret == -1 && errno != EEXIST)
247			{
248	sysadm	1.90	log_error("mkdir(%s) error (%d)", VAR_ARTICLE_CACHE_DIR, errno);
249	sysadm	1.48	goto cleanup;
250			}
251
252	sysadm	1.68	// Check section aid location dir
253			ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
254			if (ret == -1 && errno != EEXIST)
255			{
256	sysadm	1.90	log_error("mkdir(%s) error (%d)", VAR_SECTION_AID_LOC_DIR, errno);
257	sysadm	1.68	goto cleanup;
258			}
259
260	sysadm	1.42	// Initialize data pools
261	sysadm	1.63	if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
262			{
263	sysadm	1.90	log_error("fopen(%s) error", VAR_ARTICLE_BLOCK_SHM);
264	sysadm	1.63	goto cleanup;
265			}
266			fclose(fp);
267			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
268	sysadm	1.42	{
269	sysadm	1.90	log_error("fopen(%s) error", VAR_SECTION_LIST_SHM);
270	sysadm	1.43	goto cleanup;
271	sysadm	1.42	}
272			fclose(fp);
273	sysadm	1.63	if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
274	sysadm	1.42	{
275	sysadm	1.90	log_error("fopen(%s) error", VAR_TRIE_DICT_SHM);
276	sysadm	1.43	goto cleanup;
277	sysadm	1.42	}
278			fclose(fp);
279	sysadm	1.63	if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
280	sysadm	1.42	{
281	sysadm	1.90	log_error("fopen(%s) error", VAR_USER_LIST_SHM);
282	sysadm	1.43	goto cleanup;
283	sysadm	1.42	}
284			fclose(fp);
285
286			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
287	sysadm	1.39	{
288	sysadm	1.90	log_error("trie_dict_init(%s, %d) error", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
289	sysadm	1.43	goto cleanup;
290	sysadm	1.39	}
291	sysadm	1.71	if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
292	sysadm	1.42	{
293	sysadm	1.90	log_error("article_block_init(%s, %d) error", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
294	sysadm	1.43	goto cleanup;
295	sysadm	1.42	}
296			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
297			{
298	sysadm	1.90	log_error("section_list_pool_init(%s) error", VAR_SECTION_LIST_SHM);
299	sysadm	1.43	goto cleanup;
300	sysadm	1.42	}
301	sysadm	1.39
302	sysadm	1.91	// Init LML module
303			if (lml_init() < 0)
304			{
305			log_error("lml_init() error");
306			goto cleanup;
307			}
308
309	sysadm	1.36	// Load BBS cmd
310			if (load_cmd() < 0)
311			{
312	sysadm	1.91	log_error("load_cmd() error");
313	sysadm	1.43	goto cleanup;
314	sysadm	1.36	}
315
316	sysadm	1.18	// Load menus
317	sysadm	1.59	if (load_menu(&bbs_menu, CONF_MENU) < 0)
318	sysadm	1.32	{
319	sysadm	1.90	log_error("load_menu(bbs_menu) error");
320	sysadm	1.43	goto cleanup;
321	sysadm	1.26	}
322	sysadm	1.62	if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
323			{
324	sysadm	1.90	log_error("load_menu(top10_menu) error");
325	sysadm	1.62	goto cleanup;
326			}
327			top10_menu.allow_exit = 1;
328	sysadm	1.18
329	sysadm	1.34	// Load data files
330			for (int i = 0; i < data_files_load_startup_count; i++)
331			{
332	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
333	sysadm	1.34	{
334	sysadm	1.90	log_error("load_file(%s) error", data_files_load_startup[i]);
335	sysadm	1.34	}
336			}
337
338	sysadm	1.64	// Load user_list and online_user_list
339	sysadm	1.66	if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
340	sysadm	1.64	{
341	sysadm	1.90	log_error("user_list_pool_init(%s) error", VAR_USER_LIST_SHM);
342	sysadm	1.64	goto cleanup;
343			}
344			if (user_list_pool_reload(0) < 0)
345			{
346	sysadm	1.90	log_error("user_list_pool_reload(all_user) error");
347	sysadm	1.64	goto cleanup;
348			}
349			if (user_list_pool_reload(1) < 0)
350			{
351	sysadm	1.90	log_error("user_list_pool_reload(online_user) error");
352	sysadm	1.64	goto cleanup;
353			}
354
355	sysadm	1.60	// Load section config and gen_ex
356			if (load_section_config_from_db(1) < 0)
357	sysadm	1.42	{
358	sysadm	1.90	log_error("load_section_config_from_db(0) error");
359	sysadm	1.43	goto cleanup;
360	sysadm	1.42	}
361
362	sysadm	1.46	set_last_article_op_log_from_db();
363	sysadm	1.47	last_aid = 0;
364
365	sysadm	1.45	// Load section articles
366	sysadm	1.47	do
367	sysadm	1.43	{
368	sysadm	1.47	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
369			{
370	sysadm	1.90	log_error("append_articles_from_db(0, 1, %d) error", LOAD_ARTICLE_COUNT_LIMIT);
371	sysadm	1.47	goto cleanup;
372			}
373
374			last_aid = article_block_last_aid();
375			} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
376	sysadm	1.43
377	sysadm	1.90	log_common("Initially load %d articles, last_aid = %d", article_block_article_count(), article_block_last_aid());
378	sysadm	1.43
379	sysadm	1.65	if ((ret = user_stat_update()) < 0)
380			{
381	sysadm	1.90	log_error("user_stat_update() error");
382	sysadm	1.65	goto cleanup;
383			}
384
385	sysadm	1.18	// Set signal handler
386	sysadm	1.52	act.sa_handler = sig_hup_handler;
387			if (sigaction(SIGHUP, &act, NULL) == -1)
388			{
389	sysadm	1.90	log_error("set signal action of SIGHUP error: %d", errno);
390	sysadm	1.52	goto cleanup;
391			}
392			act.sa_handler = sig_chld_handler;
393			if (sigaction(SIGCHLD, &act, NULL) == -1)
394			{
395	sysadm	1.90	log_error("set signal action of SIGCHLD error: %d", errno);
396	sysadm	1.52	goto cleanup;
397			}
398			act.sa_handler = sig_term_handler;
399			if (sigaction(SIGTERM, &act, NULL) == -1)
400			{
401	sysadm	1.90	log_error("set signal action of SIGTERM error: %d", errno);
402	sysadm	1.52	goto cleanup;
403			}
404	sysadm	1.75	act.sa_handler = SIG_IGN;
405	sysadm	1.89	if (sigaction(SIGPIPE, &act, NULL) == -1)
406			{
407	sysadm	1.90	log_error("set signal action of SIGPIPE error: %d", errno);
408	sysadm	1.89	goto cleanup;
409			}
410			act.sa_handler = SIG_IGN;
411	sysadm	1.75	if (sigaction(SIGUSR1, &act, NULL) == -1)
412			{
413	sysadm	1.90	log_error("set signal action of SIGUSR1 error: %d", errno);
414	sysadm	1.75	goto cleanup;
415			}
416	sysadm	1.18
417	sysadm	1.45	// Launch section_list_loader process
418			if (section_list_loader_launch() < 0)
419			{
420	sysadm	1.90	log_error("section_list_loader_launch() error");
421	sysadm	1.45	goto cleanup;
422			}
423
424	sysadm	1.18	// Initialize socket server
425	sysadm	1.33	net_server(BBS_address, BBS_port);
426	sysadm	1.18
427	sysadm	1.43	cleanup:
428	sysadm	1.80	// Cleanup loader process if still running
429			if (SYS_child_process_count > 0)
430			{
431			SYS_child_exit = 0;
432	sysadm	1.87
433	sysadm	1.80	if (kill(section_list_loader_pid, SIGTERM) < 0)
434			{
435	sysadm	1.90	log_error("Send SIGTERM signal failed (%d)", errno);
436	sysadm	1.80	}
437
438	sysadm	1.87	for (i = 0; SYS_child_exit == 0 && i < 5; i++)
439	sysadm	1.80	{
440			sleep(1); // second
441			}
442
443			if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
444			{
445	sysadm	1.90	log_error("waitpid(%d) error (%d)", section_list_loader_pid, errno);
446	sysadm	1.80	}
447			else if (ret == 0)
448			{
449	sysadm	1.90	log_common("Force kill section_list_loader process (%d)", section_list_loader_pid);
450	sysadm	1.80	if (kill(section_list_loader_pid, SIGKILL) < 0)
451			{
452	sysadm	1.90	log_error("Send SIGKILL signal failed (%d)", errno);
453	sysadm	1.80	}
454			}
455			}
456
457	sysadm	1.34	// Cleanup loaded data files
458	sysadm	1.83	for (int i = 0; i < data_files_load_startup_count; i++)
459			{
460			if (unload_file(data_files_load_startup[i]) < 0)
461			{
462	sysadm	1.90	log_error("unload_file(%s) error", data_files_load_startup[i]);
463	sysadm	1.83	}
464			}
465	sysadm	1.42
466	sysadm	1.32	// Cleanup menu
467	sysadm	1.59	unload_menu(&bbs_menu);
468	sysadm	1.62	unload_menu(&top10_menu);
469	sysadm	1.15
470	sysadm	1.91	// Cleanup LML module
471			lml_cleanup();
472
473	sysadm	1.42	// Cleanup data pools
474			section_list_cleanup();
475			article_block_cleanup();
476	sysadm	1.39	trie_dict_cleanup();
477	sysadm	1.63	user_list_pool_cleanup();
478	sysadm	1.39
479	sysadm	1.42	if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
480			{
481	sysadm	1.90	log_error("unlink(%s) error", VAR_ARTICLE_BLOCK_SHM);
482	sysadm	1.42	}
483			if (unlink(VAR_SECTION_LIST_SHM) < 0)
484			{
485	sysadm	1.90	log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
486	sysadm	1.42	}
487	sysadm	1.63	if (unlink(VAR_TRIE_DICT_SHM) < 0)
488			{
489	sysadm	1.90	log_error("unlink(%s) error", VAR_TRIE_DICT_SHM);
490	sysadm	1.63	}
491			if (unlink(VAR_USER_LIST_SHM) < 0)
492			{
493	sysadm	1.90	log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
494	sysadm	1.63	}
495	sysadm	1.42
496	sysadm	1.90	log_common("Main process exit normally");
497	sysadm	1.42
498	sysadm	1.57	log_end();
499
500	sysadm	1.30	return 0;
501	sysadm	1.1	}
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