lbbs/src/main.c

/***************************************************************************
                                                  main.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 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 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#define _POSIX_C_SOURCE 200809L

#include "bbs.h"
#include "init.h"
#include "common.h"
#include "net_server.h"
#include "log.h"
#include "io.h"
#include "menu.h"
#include "file_loader.h"
#include "section_list_loader.h"
#include <errno.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <libgen.h>
#include <sys/types.h>
#include <sys/stat.h>

void app_help(void)
{
        prints("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"
                   "\n    If meet any bug, please report to <leaflet@leafok.com>\n\n");
}

void arg_error(void)
{
        prints("Invalid arguments\n");
        app_help();
}

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};

        // Parse args
        for (int i = 1; i < argc; i++)
        {
                switch (argv[i][0])
                {
                case '-':
                        if (argv[i][1] != '-')
                        {
                                for (int j = 1; j < strlen(argv[i]); j++)
                                {
                                        switch (argv[i][j])
                                        {
                                        case 'f':
                                                daemon = 0;
                                                break;
                                        case 'h':
                                                app_help();
                                                return 0;
                                        case 'v':
                                                puts(APP_NAME_VER);
                                                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)
                                {
                                        puts(APP_NAME_VER);
                                        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;
                                }
                        }
                        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';

        chdir(dirname(file_path_temp));
        chdir("..");

        // 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("BBS Server (%s) is staring...\n", APP_NAME_VER);

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

        // Check article cache dir
        ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
        if (ret == -1 && errno != EEXIST)
        {
                log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
                goto cleanup;
        }

        // Initialize data pools
        if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }
        fclose(fp);

        if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
        {
                printf("trie_dict_init failed\n");
                goto cleanup;
        }
        if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK) < 0)
        {
                log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK);
                goto cleanup;
        }
        if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
        {
                log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }

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

        // Load menus
        p_bbs_menu = calloc(1, sizeof(MENU_SET));
        if (p_bbs_menu == NULL)
        {
                log_error("OOM: calloc(MENU_SET)\n");
                goto cleanup;
        }
        if (load_menu(p_bbs_menu, CONF_MENU) < 0)
        {
                goto cleanup;
        }

        // Load data files
        if (file_loader_init() < 0)
        {
                log_error("file_loader_init() error\n");
                goto cleanup;
        }
        for (int i = 0; i < data_files_load_startup_count; i++)
        {
                if (load_file(data_files_load_startup[i]) < 0)
                {
                        log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]);
                }
        }

        // Load section config
        if (load_section_config_from_db() < 0)
        {
                log_error("load_section_config_from_db() error\n");
                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\n", 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\n", article_block_article_count(), article_block_last_aid());

        // Set signal handler
        act.sa_handler = sig_hup_handler;
        if (sigaction(SIGHUP, &act, NULL) == -1)
        {
                log_error("set signal action of SIGHUP error: %d\n", errno);
                goto cleanup;
        }
        act.sa_handler = sig_chld_handler;
        if (sigaction(SIGCHLD, &act, NULL) == -1)
        {
                log_error("set signal action of SIGCHLD error: %d\n", errno);
                goto cleanup;
        }
        act.sa_handler = sig_term_handler;
        if (sigaction(SIGTERM, &act, NULL) == -1)
        {
                log_error("set signal action of SIGTERM error: %d\n", errno);
                goto cleanup;
        }

        // Launch section_list_loader process
        if (section_list_loader_launch() < 0)
        {
                log_error("section_list_loader_launch() error\n");
                goto cleanup;
        }

        // Initialize socket server
        net_server(BBS_address, BBS_port);

cleanup:
        // Cleanup loaded data files
        file_loader_cleanup();

        // Cleanup menu
        unload_menu(p_bbs_menu);
        free(p_bbs_menu);
        p_bbs_menu = NULL;

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

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

        log_common("Main process exit normally\n");

        return 0;
}
1	sysadm	1.1	/***************************************************************************
2	sysadm	1.18	main.c - description
3			-------------------
4	sysadm	1.23	Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6	sysadm	1.1	***************************************************************************/
7
8			/***************************************************************************
9			* *
10			* This program is free software; you can redistribute it and/or modify *
11			* it under the terms of the GNU General Public License as published by *
12	sysadm	1.23	* the Free Software Foundation; either version 3 of the License, or *
13	sysadm	1.1	* (at your option) any later version. *
14			* *
15			***************************************************************************/
16
17	sysadm	1.52	#define _POSIX_C_SOURCE 200809L
18
19	sysadm	1.4	#include "bbs.h"
20	sysadm	1.20	#include "init.h"
21	sysadm	1.1	#include "common.h"
22	sysadm	1.20	#include "net_server.h"
23			#include "log.h"
24	sysadm	1.7	#include "io.h"
25	sysadm	1.9	#include "menu.h"
26	sysadm	1.34	#include "file_loader.h"
27	sysadm	1.42	#include "section_list_loader.h"
28	sysadm	1.48	#include <errno.h>
29	sysadm	1.20	#include <stdlib.h>
30	sysadm	1.14	#include <signal.h>
31	sysadm	1.7	#include <string.h>
32	sysadm	1.20	#include <unistd.h>
33	sysadm	1.21	#include <libgen.h>
34	sysadm	1.15	#include <sys/types.h>
35	sysadm	1.20	#include <sys/stat.h>
36	sysadm	1.1
37	sysadm	1.18	void app_help(void)
38	sysadm	1.6	{
39	sysadm	1.18	prints("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			"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
46	sysadm	1.6	}
47
48	sysadm	1.18	void arg_error(void)
49	sysadm	1.6	{
50	sysadm	1.18	prints("Invalid arguments\n");
51			app_help();
52	sysadm	1.6	}
53
54	sysadm	1.18	int main(int argc, char *argv[])
55	sysadm	1.1	{
56	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
57			int daemon = 1;
58			int std_log_redir = 0;
59			int error_log_redir = 0;
60	sysadm	1.42	FILE *fp;
61	sysadm	1.47	int ret;
62			int last_aid;
63	sysadm	1.52	struct sigaction act = {0};
64	sysadm	1.18
65			// Parse args
66	sysadm	1.21	for (int i = 1; i < argc; i++)
67	sysadm	1.12	{
68	sysadm	1.18	switch (argv[i][0])
69	sysadm	1.12	{
70	sysadm	1.18	case '-':
71			if (argv[i][1] != '-')
72			{
73	sysadm	1.21	for (int j = 1; j < strlen(argv[i]); j++)
74	sysadm	1.18	{
75			switch (argv[i][j])
76			{
77			case 'f':
78			daemon = 0;
79			break;
80			case 'h':
81			app_help();
82	sysadm	1.30	return 0;
83	sysadm	1.18	case 'v':
84	sysadm	1.51	puts(APP_NAME_VER);
85	sysadm	1.30	return 0;
86	sysadm	1.18	default:
87			arg_error();
88	sysadm	1.30	return 1;
89	sysadm	1.18	}
90			}
91			}
92			else
93			{
94			if (strcmp(argv[i] + 2, "foreground") == 0)
95			{
96			daemon = 0;
97			break;
98			}
99			if (strcmp(argv[i] + 2, "help") == 0)
100			{
101			app_help();
102	sysadm	1.30	return 0;
103	sysadm	1.18	}
104			if (strcmp(argv[i] + 2, "version") == 0)
105			{
106	sysadm	1.51	puts(APP_NAME_VER);
107	sysadm	1.30	return 0;
108	sysadm	1.18	}
109			if (strcmp(argv[i] + 2, "display-log") == 0)
110			{
111			std_log_redir = 1;
112			}
113			if (strcmp(argv[i] + 2, "display-error-log") == 0)
114			{
115			error_log_redir = 1;
116			}
117			}
118			break;
119	sysadm	1.12	}
120			}
121
122	sysadm	1.18	// Initialize daemon
123			if (daemon)
124	sysadm	1.20	{
125	sysadm	1.31	init_daemon();
126	sysadm	1.20	}
127	sysadm	1.18
128			// Change current dir
129	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
130	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
131
132	sysadm	1.21	chdir(dirname(file_path_temp));
133			chdir("..");
134	sysadm	1.18
135			// Initialize log
136	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
137			{
138	sysadm	1.30	return -1;
139	sysadm	1.21	}
140	sysadm	1.18
141			if ((!daemon) && std_log_redir)
142	sysadm	1.21	{
143	sysadm	1.50	log_common_redir(STDERR_FILENO);
144	sysadm	1.21	}
145	sysadm	1.18	if ((!daemon) && error_log_redir)
146	sysadm	1.21	{
147	sysadm	1.50	log_error_redir(STDERR_FILENO);
148	sysadm	1.21	}
149	sysadm	1.18
150	sysadm	1.51	log_common("BBS Server (%s) is staring...\n", APP_NAME_VER);
151
152	sysadm	1.18	// Load configuration
153	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
154			{
155	sysadm	1.30	return -2;
156	sysadm	1.26	}
157	sysadm	1.18
158	sysadm	1.48	// Check article cache dir
159	sysadm	1.49	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
160	sysadm	1.48	if (ret == -1 && errno != EEXIST)
161			{
162			log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
163			goto cleanup;
164			}
165
166	sysadm	1.42	// Initialize data pools
167			if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
168			{
169			log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
170	sysadm	1.43	goto cleanup;
171	sysadm	1.42	}
172			fclose(fp);
173			if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
174			{
175			log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
176	sysadm	1.43	goto cleanup;
177	sysadm	1.42	}
178			fclose(fp);
179			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
180			{
181			log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
182	sysadm	1.43	goto cleanup;
183	sysadm	1.42	}
184			fclose(fp);
185
186			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
187	sysadm	1.39	{
188			printf("trie_dict_init failed\n");
189	sysadm	1.43	goto cleanup;
190	sysadm	1.39	}
191	sysadm	1.42	if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK) < 0)
192			{
193			log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK);
194	sysadm	1.43	goto cleanup;
195	sysadm	1.42	}
196			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
197			{
198			log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
199	sysadm	1.43	goto cleanup;
200	sysadm	1.42	}
201	sysadm	1.39
202	sysadm	1.36	// Load BBS cmd
203			if (load_cmd() < 0)
204			{
205	sysadm	1.43	goto cleanup;
206	sysadm	1.36	}
207
208	sysadm	1.18	// Load menus
209	sysadm	1.32	p_bbs_menu = calloc(1, sizeof(MENU_SET));
210			if (p_bbs_menu == NULL)
211	sysadm	1.26	{
212	sysadm	1.32	log_error("OOM: calloc(MENU_SET)\n");
213	sysadm	1.43	goto cleanup;
214	sysadm	1.32	}
215			if (load_menu(p_bbs_menu, CONF_MENU) < 0)
216			{
217	sysadm	1.43	goto cleanup;
218	sysadm	1.26	}
219	sysadm	1.18
220	sysadm	1.34	// Load data files
221	sysadm	1.35	if (file_loader_init() < 0)
222	sysadm	1.34	{
223			log_error("file_loader_init() error\n");
224	sysadm	1.43	goto cleanup;
225	sysadm	1.34	}
226			for (int i = 0; i < data_files_load_startup_count; i++)
227			{
228	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
229	sysadm	1.34	{
230			log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]);
231			}
232			}
233
234	sysadm	1.42	// Load section config
235			if (load_section_config_from_db() < 0)
236			{
237			log_error("load_section_config_from_db() error\n");
238	sysadm	1.43	goto cleanup;
239	sysadm	1.42	}
240
241	sysadm	1.46	set_last_article_op_log_from_db();
242	sysadm	1.47	last_aid = 0;
243
244	sysadm	1.45	// Load section articles
245	sysadm	1.47	do
246	sysadm	1.43	{
247	sysadm	1.47	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
248			{
249			log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
250			goto cleanup;
251			}
252
253			last_aid = article_block_last_aid();
254			} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
255	sysadm	1.43
256	sysadm	1.50	log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
257	sysadm	1.43
258	sysadm	1.18	// Set signal handler
259	sysadm	1.52	act.sa_handler = sig_hup_handler;
260			if (sigaction(SIGHUP, &act, NULL) == -1)
261			{
262			log_error("set signal action of SIGHUP error: %d\n", errno);
263			goto cleanup;
264			}
265			act.sa_handler = sig_chld_handler;
266			if (sigaction(SIGCHLD, &act, NULL) == -1)
267			{
268			log_error("set signal action of SIGCHLD error: %d\n", errno);
269			goto cleanup;
270			}
271			act.sa_handler = sig_term_handler;
272			if (sigaction(SIGTERM, &act, NULL) == -1)
273			{
274			log_error("set signal action of SIGTERM error: %d\n", errno);
275			goto cleanup;
276			}
277	sysadm	1.18
278	sysadm	1.45	// Launch section_list_loader process
279			if (section_list_loader_launch() < 0)
280			{
281			log_error("section_list_loader_launch() error\n");
282			goto cleanup;
283			}
284
285	sysadm	1.18	// Initialize socket server
286	sysadm	1.33	net_server(BBS_address, BBS_port);
287	sysadm	1.18
288	sysadm	1.43	cleanup:
289	sysadm	1.34	// Cleanup loaded data files
290			file_loader_cleanup();
291	sysadm	1.42
292	sysadm	1.32	// Cleanup menu
293			unload_menu(p_bbs_menu);
294			free(p_bbs_menu);
295			p_bbs_menu = NULL;
296	sysadm	1.15
297	sysadm	1.42	// Cleanup data pools
298			section_list_cleanup();
299			article_block_cleanup();
300	sysadm	1.39	trie_dict_cleanup();
301
302	sysadm	1.42	if (unlink(VAR_TRIE_DICT_SHM) < 0)
303			{
304			log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
305			}
306			if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
307			{
308			log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
309			}
310			if (unlink(VAR_SECTION_LIST_SHM) < 0)
311			{
312			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
313			}
314
315	sysadm	1.50	log_common("Main process exit normally\n");
316	sysadm	1.42
317	sysadm	1.30	return 0;
318	sysadm	1.1	}
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