lbbs/src/main.c

/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * main
 *   - entry of server program
 *
 * Copyright (C) 2004-2026  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>

typedef void (*arg_option_handler_t)(void);

struct arg_option_t
{
        const char *short_arg;
        const char *long_arg;
        const char *description;
        arg_option_handler_t handler;
};
typedef struct arg_option_t ARG_OPTION;

static void arg_foreground(void);
static void arg_help(void);
static void arg_version(void);
static void arg_display_log(void);
static void arg_display_error_log(void);
static void arg_compile_info(void);
static void arg_error(void);

static const ARG_OPTION arg_options[] = {
        {"-f", "--foreground", "Run in foreground", arg_foreground},
        {"-h", "--help", "Display help message", arg_help},
        {"-v", "--version", "Display version information", arg_version},
        {NULL, "--display-log", "Display standard log information", arg_display_log},
        {NULL, "--display-error-log", "Display error log information", arg_display_error_log},
        {"-C", "--compile-config", "Display compile configuration", arg_compile_info}};

static const int arg_options_count = sizeof(arg_options) / sizeof(ARG_OPTION);

static int daemon_service = 1;
static int std_log_redir = 0;
static int error_log_redir = 0;

static void arg_foreground(void)
{
        daemon_service = 0;
}

static void arg_help(void)
{
        fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n");

        for (int i = 0; i < arg_options_count; i++)
        {
                fprintf(stderr, "%s%*s%s%*s%s\n",
                                arg_options[i].short_arg ? arg_options[i].short_arg : "",
                                8 - (arg_options[i].short_arg ? (int)strlen(arg_options[i].short_arg) : 0), "",
                                arg_options[i].long_arg ? arg_options[i].long_arg : "",
                                24 - (arg_options[i].long_arg ? (int)strlen(arg_options[i].long_arg) : 0), "",
                                arg_options[i].description ? arg_options[i].description : "");
        }

        fprintf(stderr, "\n    If meet any bug, please report to <leaflet@leafok.com>\n\n");
}

static void arg_version(void)
{
        printf("%s\n", APP_INFO);
        printf("%s\n", COPYRIGHT_INFO);
}

static void arg_display_log(void)
{
        std_log_redir = 1;
}

static void arg_display_error_log(void)
{
        error_log_redir = 1;
}

static void arg_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
        );
}

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

int main(int argc, char *argv[])
{
        char file_path_temp[FILE_PATH_LEN];
        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++)
        {
                for (j = 0; j < arg_options_count; j++)
                {
                        if (arg_options[j].short_arg && strcmp(argv[i], arg_options[j].short_arg) == 0)
                        {
                                arg_options[j].handler();
                                break;
                        }
                        else if (arg_options[j].long_arg && strcmp(argv[i], arg_options[j].long_arg) == 0)
                        {
                                arg_options[j].handler();
                                break;
                        }
                }
                if (j == arg_options_count)
                {
                        arg_error();
                        return -1;
                }
        }

        // Initialize daemon
        if (daemon_service)
        {
                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_service) && std_log_redir)
        {
                log_common_redir(STDERR_FILENO);
        }
        if ((!daemon_service) && 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	1.93	* Copyright (C) 2004-2026 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	1.92	typedef void (*arg_option_handler_t)(void);
38
39			struct arg_option_t
40			{
41			const char *short_arg;
42			const char *long_arg;
43			const char *description;
44			arg_option_handler_t handler;
45			};
46			typedef struct arg_option_t ARG_OPTION;
47
48			static void arg_foreground(void);
49			static void arg_help(void);
50			static void arg_version(void);
51			static void arg_display_log(void);
52			static void arg_display_error_log(void);
53			static void arg_compile_info(void);
54			static void arg_error(void);
55
56			static const ARG_OPTION arg_options[] = {
57			{"-f", "--foreground", "Run in foreground", arg_foreground},
58			{"-h", "--help", "Display help message", arg_help},
59			{"-v", "--version", "Display version information", arg_version},
60			{NULL, "--display-log", "Display standard log information", arg_display_log},
61			{NULL, "--display-error-log", "Display error log information", arg_display_error_log},
62			{"-C", "--compile-config", "Display compile configuration", arg_compile_info}};
63
64			static const int arg_options_count = sizeof(arg_options) / sizeof(ARG_OPTION);
65
66			static int daemon_service = 1;
67			static int std_log_redir = 0;
68			static int error_log_redir = 0;
69
70			static void arg_foreground(void)
71			{
72			daemon_service = 0;
73			}
74
75			static void arg_help(void)
76	sysadm	1.6	{
77	sysadm	1.92	fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n");
78
79			for (int i = 0; i < arg_options_count; i++)
80			{
81			fprintf(stderr, "%s%s%s%s%s\n",
82			arg_options[i].short_arg ? arg_options[i].short_arg : "",
83			8 - (arg_options[i].short_arg ? (int)strlen(arg_options[i].short_arg) : 0), "",
84			arg_options[i].long_arg ? arg_options[i].long_arg : "",
85			24 - (arg_options[i].long_arg ? (int)strlen(arg_options[i].long_arg) : 0), "",
86			arg_options[i].description ? arg_options[i].description : "");
87			}
88
89			fprintf(stderr, "\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
90	sysadm	1.6	}
91
92	sysadm	1.92	static void arg_version(void)
93	sysadm	1.6	{
94	sysadm	1.92	printf("%s\n", APP_INFO);
95			printf("%s\n", COPYRIGHT_INFO);
96			}
97
98			static void arg_display_log(void)
99			{
100			std_log_redir = 1;
101			}
102
103			static void arg_display_error_log(void)
104			{
105			error_log_redir = 1;
106	sysadm	1.6	}
107
108	sysadm	1.92	static void arg_compile_info(void)
109	sysadm	1.87	{
110			printf("%s\n"
111			"--enable-shared\t\t[%s]\n"
112			"--enable-systemd\t[%s]\n"
113			"--with-debug\t\t[%s]\n"
114			"--with-epoll\t\t[%s]\n"
115			"--with-mariadb\t\t[%s]\n"
116			"--with-sysv\t\t[%s]\n",
117			APP_INFO,
118			#ifdef _ENABLE_SHARED
119			"yes",
120			#else
121			"no",
122			#endif
123			#ifdef HAVE_SYSTEMD_SD_DAEMON_H
124			"yes",
125			#else
126			"no",
127			#endif
128			#ifdef _DEBUG
129			"yes",
130			#else
131			"no",
132			#endif
133			#ifdef HAVE_SYS_EPOLL_H
134			"yes",
135			#else
136			"no",
137			#endif
138			#ifdef HAVE_MARIADB_CLIENT
139			"yes",
140			#else
141			"no",
142			#endif
143			#ifdef HAVE_SYSTEM_V
144			"yes"
145			#else
146			"no"
147			#endif
148			);
149			}
150
151	sysadm	1.92	static void arg_error(void)
152			{
153			fprintf(stderr, "Invalid arguments\n");
154			arg_help();
155			}
156
157	sysadm	1.18	int main(int argc, char *argv[])
158	sysadm	1.1	{
159	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
160	sysadm	1.42	FILE *fp;
161	sysadm	1.47	int ret;
162			int last_aid;
163	sysadm	1.52	struct sigaction act = {0};
164	sysadm	1.80	int i;
165			int j;
166	sysadm	1.88	struct stat file_stat;
167	sysadm	1.18
168			// Parse args
169	sysadm	1.80	for (i = 1; i < argc; i++)
170	sysadm	1.12	{
171	sysadm	1.92	for (j = 0; j < arg_options_count; j++)
172	sysadm	1.12	{
173	sysadm	1.92	if (arg_options[j].short_arg && strcmp(argv[i], arg_options[j].short_arg) == 0)
174	sysadm	1.18	{
175	sysadm	1.92	arg_options[j].handler();
176			break;
177	sysadm	1.18	}
178	sysadm	1.92	else if (arg_options[j].long_arg && strcmp(argv[i], arg_options[j].long_arg) == 0)
179	sysadm	1.18	{
180	sysadm	1.92	arg_options[j].handler();
181			break;
182	sysadm	1.18	}
183	sysadm	1.92	}
184			if (j == arg_options_count)
185			{
186			arg_error();
187			return -1;
188	sysadm	1.12	}
189			}
190
191	sysadm	1.18	// Initialize daemon
192	sysadm	1.92	if (daemon_service)
193	sysadm	1.20	{
194	sysadm	1.31	init_daemon();
195	sysadm	1.20	}
196	sysadm	1.18
197			// Change current dir
198	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
199	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
200
201	sysadm	1.61	if (chdir(dirname(file_path_temp)) < 0)
202			{
203			fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
204			return -1;
205			}
206			if (chdir("..") < 0)
207			{
208			fprintf(stderr, "chdir(..) error: %d\n", errno);
209			return -1;
210			}
211	sysadm	1.18
212	sysadm	1.73	// Apply the specified locale
213			if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
214			{
215			fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
216			return -1;
217			}
218
219	sysadm	1.18	// Initialize log
220	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
221			{
222	sysadm	1.30	return -1;
223	sysadm	1.21	}
224	sysadm	1.18
225	sysadm	1.92	if ((!daemon_service) && std_log_redir)
226	sysadm	1.21	{
227	sysadm	1.50	log_common_redir(STDERR_FILENO);
228	sysadm	1.21	}
229	sysadm	1.92	if ((!daemon_service) && error_log_redir)
230	sysadm	1.21	{
231	sysadm	1.50	log_error_redir(STDERR_FILENO);
232	sysadm	1.21	}
233	sysadm	1.18
234	sysadm	1.90	log_common("Starting %s", APP_INFO);
235	sysadm	1.51
236	sysadm	1.18	// Load configuration
237	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
238			{
239	sysadm	1.30	return -2;
240	sysadm	1.26	}
241	sysadm	1.18
242	sysadm	1.72	// Load BWF config
243			if (bwf_load(CONF_BWF) < 0)
244			{
245			return -2;
246			}
247
248	sysadm	1.88	// Get EULA modification tm
249			if (stat(DATA_EULA, &file_stat) == -1)
250			{
251	sysadm	1.90	log_error("stat(%s) error", DATA_EULA, errno);
252	sysadm	1.88	goto cleanup;
253			}
254			BBS_eula_tm = file_stat.st_mtim.tv_sec;
255
256	sysadm	1.48	// Check article cache dir
257	sysadm	1.49	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
258	sysadm	1.48	if (ret == -1 && errno != EEXIST)
259			{
260	sysadm	1.90	log_error("mkdir(%s) error (%d)", VAR_ARTICLE_CACHE_DIR, errno);
261	sysadm	1.48	goto cleanup;
262			}
263
264	sysadm	1.68	// Check section aid location dir
265			ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
266			if (ret == -1 && errno != EEXIST)
267			{
268	sysadm	1.90	log_error("mkdir(%s) error (%d)", VAR_SECTION_AID_LOC_DIR, errno);
269	sysadm	1.68	goto cleanup;
270			}
271
272	sysadm	1.42	// Initialize data pools
273	sysadm	1.63	if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
274			{
275	sysadm	1.90	log_error("fopen(%s) error", VAR_ARTICLE_BLOCK_SHM);
276	sysadm	1.63	goto cleanup;
277			}
278			fclose(fp);
279			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
280	sysadm	1.42	{
281	sysadm	1.90	log_error("fopen(%s) error", VAR_SECTION_LIST_SHM);
282	sysadm	1.43	goto cleanup;
283	sysadm	1.42	}
284			fclose(fp);
285	sysadm	1.63	if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
286	sysadm	1.42	{
287	sysadm	1.90	log_error("fopen(%s) error", VAR_TRIE_DICT_SHM);
288	sysadm	1.43	goto cleanup;
289	sysadm	1.42	}
290			fclose(fp);
291	sysadm	1.63	if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
292	sysadm	1.42	{
293	sysadm	1.90	log_error("fopen(%s) error", VAR_USER_LIST_SHM);
294	sysadm	1.43	goto cleanup;
295	sysadm	1.42	}
296			fclose(fp);
297
298			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
299	sysadm	1.39	{
300	sysadm	1.90	log_error("trie_dict_init(%s, %d) error", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
301	sysadm	1.43	goto cleanup;
302	sysadm	1.39	}
303	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)
304	sysadm	1.42	{
305	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);
306	sysadm	1.43	goto cleanup;
307	sysadm	1.42	}
308			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
309			{
310	sysadm	1.90	log_error("section_list_pool_init(%s) error", VAR_SECTION_LIST_SHM);
311	sysadm	1.43	goto cleanup;
312	sysadm	1.42	}
313	sysadm	1.39
314	sysadm	1.91	// Init LML module
315			if (lml_init() < 0)
316			{
317			log_error("lml_init() error");
318			goto cleanup;
319			}
320
321	sysadm	1.36	// Load BBS cmd
322			if (load_cmd() < 0)
323			{
324	sysadm	1.91	log_error("load_cmd() error");
325	sysadm	1.43	goto cleanup;
326	sysadm	1.36	}
327
328	sysadm	1.18	// Load menus
329	sysadm	1.59	if (load_menu(&bbs_menu, CONF_MENU) < 0)
330	sysadm	1.32	{
331	sysadm	1.90	log_error("load_menu(bbs_menu) error");
332	sysadm	1.43	goto cleanup;
333	sysadm	1.26	}
334	sysadm	1.62	if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
335			{
336	sysadm	1.90	log_error("load_menu(top10_menu) error");
337	sysadm	1.62	goto cleanup;
338			}
339			top10_menu.allow_exit = 1;
340	sysadm	1.18
341	sysadm	1.34	// Load data files
342			for (int i = 0; i < data_files_load_startup_count; i++)
343			{
344	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
345	sysadm	1.34	{
346	sysadm	1.90	log_error("load_file(%s) error", data_files_load_startup[i]);
347	sysadm	1.34	}
348			}
349
350	sysadm	1.64	// Load user_list and online_user_list
351	sysadm	1.66	if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
352	sysadm	1.64	{
353	sysadm	1.90	log_error("user_list_pool_init(%s) error", VAR_USER_LIST_SHM);
354	sysadm	1.64	goto cleanup;
355			}
356			if (user_list_pool_reload(0) < 0)
357			{
358	sysadm	1.90	log_error("user_list_pool_reload(all_user) error");
359	sysadm	1.64	goto cleanup;
360			}
361			if (user_list_pool_reload(1) < 0)
362			{
363	sysadm	1.90	log_error("user_list_pool_reload(online_user) error");
364	sysadm	1.64	goto cleanup;
365			}
366
367	sysadm	1.60	// Load section config and gen_ex
368			if (load_section_config_from_db(1) < 0)
369	sysadm	1.42	{
370	sysadm	1.90	log_error("load_section_config_from_db(0) error");
371	sysadm	1.43	goto cleanup;
372	sysadm	1.42	}
373
374	sysadm	1.46	set_last_article_op_log_from_db();
375	sysadm	1.47	last_aid = 0;
376
377	sysadm	1.45	// Load section articles
378	sysadm	1.47	do
379	sysadm	1.43	{
380	sysadm	1.47	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
381			{
382	sysadm	1.90	log_error("append_articles_from_db(0, 1, %d) error", LOAD_ARTICLE_COUNT_LIMIT);
383	sysadm	1.47	goto cleanup;
384			}
385
386			last_aid = article_block_last_aid();
387			} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
388	sysadm	1.43
389	sysadm	1.90	log_common("Initially load %d articles, last_aid = %d", article_block_article_count(), article_block_last_aid());
390	sysadm	1.43
391	sysadm	1.65	if ((ret = user_stat_update()) < 0)
392			{
393	sysadm	1.90	log_error("user_stat_update() error");
394	sysadm	1.65	goto cleanup;
395			}
396
397	sysadm	1.18	// Set signal handler
398	sysadm	1.52	act.sa_handler = sig_hup_handler;
399			if (sigaction(SIGHUP, &act, NULL) == -1)
400			{
401	sysadm	1.90	log_error("set signal action of SIGHUP error: %d", errno);
402	sysadm	1.52	goto cleanup;
403			}
404			act.sa_handler = sig_chld_handler;
405			if (sigaction(SIGCHLD, &act, NULL) == -1)
406			{
407	sysadm	1.90	log_error("set signal action of SIGCHLD error: %d", errno);
408	sysadm	1.52	goto cleanup;
409			}
410			act.sa_handler = sig_term_handler;
411			if (sigaction(SIGTERM, &act, NULL) == -1)
412			{
413	sysadm	1.90	log_error("set signal action of SIGTERM error: %d", errno);
414	sysadm	1.52	goto cleanup;
415			}
416	sysadm	1.75	act.sa_handler = SIG_IGN;
417	sysadm	1.89	if (sigaction(SIGPIPE, &act, NULL) == -1)
418			{
419	sysadm	1.90	log_error("set signal action of SIGPIPE error: %d", errno);
420	sysadm	1.89	goto cleanup;
421			}
422			act.sa_handler = SIG_IGN;
423	sysadm	1.75	if (sigaction(SIGUSR1, &act, NULL) == -1)
424			{
425	sysadm	1.90	log_error("set signal action of SIGUSR1 error: %d", errno);
426	sysadm	1.75	goto cleanup;
427			}
428	sysadm	1.18
429	sysadm	1.45	// Launch section_list_loader process
430			if (section_list_loader_launch() < 0)
431			{
432	sysadm	1.90	log_error("section_list_loader_launch() error");
433	sysadm	1.45	goto cleanup;
434			}
435
436	sysadm	1.18	// Initialize socket server
437	sysadm	1.33	net_server(BBS_address, BBS_port);
438	sysadm	1.18
439	sysadm	1.43	cleanup:
440	sysadm	1.80	// Cleanup loader process if still running
441			if (SYS_child_process_count > 0)
442			{
443			SYS_child_exit = 0;
444	sysadm	1.87
445	sysadm	1.80	if (kill(section_list_loader_pid, SIGTERM) < 0)
446			{
447	sysadm	1.90	log_error("Send SIGTERM signal failed (%d)", errno);
448	sysadm	1.80	}
449
450	sysadm	1.87	for (i = 0; SYS_child_exit == 0 && i < 5; i++)
451	sysadm	1.80	{
452			sleep(1); // second
453			}
454
455			if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
456			{
457	sysadm	1.90	log_error("waitpid(%d) error (%d)", section_list_loader_pid, errno);
458	sysadm	1.80	}
459			else if (ret == 0)
460			{
461	sysadm	1.90	log_common("Force kill section_list_loader process (%d)", section_list_loader_pid);
462	sysadm	1.80	if (kill(section_list_loader_pid, SIGKILL) < 0)
463			{
464	sysadm	1.90	log_error("Send SIGKILL signal failed (%d)", errno);
465	sysadm	1.80	}
466			}
467			}
468
469	sysadm	1.34	// Cleanup loaded data files
470	sysadm	1.83	for (int i = 0; i < data_files_load_startup_count; i++)
471			{
472			if (unload_file(data_files_load_startup[i]) < 0)
473			{
474	sysadm	1.90	log_error("unload_file(%s) error", data_files_load_startup[i]);
475	sysadm	1.83	}
476			}
477	sysadm	1.42
478	sysadm	1.32	// Cleanup menu
479	sysadm	1.59	unload_menu(&bbs_menu);
480	sysadm	1.62	unload_menu(&top10_menu);
481	sysadm	1.15
482	sysadm	1.91	// Cleanup LML module
483			lml_cleanup();
484
485	sysadm	1.42	// Cleanup data pools
486			section_list_cleanup();
487			article_block_cleanup();
488	sysadm	1.39	trie_dict_cleanup();
489	sysadm	1.63	user_list_pool_cleanup();
490	sysadm	1.39
491	sysadm	1.42	if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
492			{
493	sysadm	1.90	log_error("unlink(%s) error", VAR_ARTICLE_BLOCK_SHM);
494	sysadm	1.42	}
495			if (unlink(VAR_SECTION_LIST_SHM) < 0)
496			{
497	sysadm	1.90	log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
498	sysadm	1.42	}
499	sysadm	1.63	if (unlink(VAR_TRIE_DICT_SHM) < 0)
500			{
501	sysadm	1.90	log_error("unlink(%s) error", VAR_TRIE_DICT_SHM);
502	sysadm	1.63	}
503			if (unlink(VAR_USER_LIST_SHM) < 0)
504			{
505	sysadm	1.90	log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
506	sysadm	1.63	}
507	sysadm	1.42
508	sysadm	1.90	log_common("Main process exit normally");
509	sysadm	1.42
510	sysadm	1.57	log_end();
511
512	sysadm	1.30	return 0;
513	sysadm	1.1	}
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