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.                                   *
 *                                                                         *
 ***************************************************************************/

#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;

        // 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_version);
                                                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_version);
                                        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_std_redirect(STDERR_FILENO);
        }
        if ((!daemon) && error_log_redir)
        {
                log_err_redirect(STDERR_FILENO);
        }

        // 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_std("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());

        // Set signal handler
        signal(SIGHUP, sig_hup_handler);
        signal(SIGCHLD, sig_chld_handler);
        signal(SIGTERM, sig_term_handler);

        // 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_std("Main process exit normally\n");

        return 0;
}
1	/***************************************************************************
2	main.c - description
3	-------------------
4	Copyright : (C) 2004-2025 by Leaflet
5	Email : leaflet@leafok.com
6	***************************************************************************/
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	* the Free Software Foundation; either version 3 of the License, or *
13	* (at your option) any later version. *
14	* *
15	***************************************************************************/
16
17	#include "bbs.h"
18	#include "init.h"
19	#include "common.h"
20	#include "net_server.h"
21	#include "log.h"
22	#include "io.h"
23	#include "menu.h"
24	#include "file_loader.h"
25	#include "section_list_loader.h"
26	#include <errno.h>
27	#include <stdlib.h>
28	#include <signal.h>
29	#include <string.h>
30	#include <unistd.h>
31	#include <libgen.h>
32	#include <sys/types.h>
33	#include <sys/stat.h>
34
35	void app_help(void)
36	{
37	prints("Usage: bbsd [-fhv] [...]\n\n"
38	"-f\t--foreground\t\tForce program run in foreground\n"
39	"-h\t--help\t\t\tDisplay this help message\n"
40	"-v\t--version\t\tDisplay version information\n"
41	"\t--display-log\t\tDisplay standard log information\n"
42	"\t--display-error-log\tDisplay error log information\n"
43	"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
44	}
45
46	void arg_error(void)
47	{
48	prints("Invalid arguments\n");
49	app_help();
50	}
51
52	int main(int argc, char *argv[])
53	{
54	char file_path_temp[FILE_PATH_LEN];
55	int daemon = 1;
56	int std_log_redir = 0;
57	int error_log_redir = 0;
58	FILE *fp;
59	int ret;
60	int last_aid;
61
62	// Parse args
63	for (int i = 1; i < argc; i++)
64	{
65	switch (argv[i][0])
66	{
67	case '-':
68	if (argv[i][1] != '-')
69	{
70	for (int j = 1; j < strlen(argv[i]); j++)
71	{
72	switch (argv[i][j])
73	{
74	case 'f':
75	daemon = 0;
76	break;
77	case 'h':
78	app_help();
79	return 0;
80	case 'v':
81	puts(app_version);
82	return 0;
83	default:
84	arg_error();
85	return 1;
86	}
87	}
88	}
89	else
90	{
91	if (strcmp(argv[i] + 2, "foreground") == 0)
92	{
93	daemon = 0;
94	break;
95	}
96	if (strcmp(argv[i] + 2, "help") == 0)
97	{
98	app_help();
99	return 0;
100	}
101	if (strcmp(argv[i] + 2, "version") == 0)
102	{
103	puts(app_version);
104	return 0;
105	}
106	if (strcmp(argv[i] + 2, "display-log") == 0)
107	{
108	std_log_redir = 1;
109	}
110	if (strcmp(argv[i] + 2, "display-error-log") == 0)
111	{
112	error_log_redir = 1;
113	}
114	}
115	break;
116	}
117	}
118
119	// Initialize daemon
120	if (daemon)
121	{
122	init_daemon();
123	}
124
125	// Change current dir
126	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
127	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
128
129	chdir(dirname(file_path_temp));
130	chdir("..");
131
132	// Initialize log
133	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
134	{
135	return -1;
136	}
137
138	if ((!daemon) && std_log_redir)
139	{
140	log_std_redirect(STDERR_FILENO);
141	}
142	if ((!daemon) && error_log_redir)
143	{
144	log_err_redirect(STDERR_FILENO);
145	}
146
147	// Load configuration
148	if (load_conf(CONF_BBSD) < 0)
149	{
150	return -2;
151	}
152
153	// Check article cache dir
154	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
155	if (ret == -1 && errno != EEXIST)
156	{
157	log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
158	goto cleanup;
159	}
160
161	// Initialize data pools
162	if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
163	{
164	log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
165	goto cleanup;
166	}
167	fclose(fp);
168	if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
169	{
170	log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
171	goto cleanup;
172	}
173	fclose(fp);
174	if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
175	{
176	log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
177	goto cleanup;
178	}
179	fclose(fp);
180
181	if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
182	{
183	printf("trie_dict_init failed\n");
184	goto cleanup;
185	}
186	if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK) < 0)
187	{
188	log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK);
189	goto cleanup;
190	}
191	if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
192	{
193	log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
194	goto cleanup;
195	}
196
197	// Load BBS cmd
198	if (load_cmd() < 0)
199	{
200	goto cleanup;
201	}
202
203	// Load menus
204	p_bbs_menu = calloc(1, sizeof(MENU_SET));
205	if (p_bbs_menu == NULL)
206	{
207	log_error("OOM: calloc(MENU_SET)\n");
208	goto cleanup;
209	}
210	if (load_menu(p_bbs_menu, CONF_MENU) < 0)
211	{
212	goto cleanup;
213	}
214
215	// Load data files
216	if (file_loader_init() < 0)
217	{
218	log_error("file_loader_init() error\n");
219	goto cleanup;
220	}
221	for (int i = 0; i < data_files_load_startup_count; i++)
222	{
223	if (load_file(data_files_load_startup[i]) < 0)
224	{
225	log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]);
226	}
227	}
228
229	// Load section config
230	if (load_section_config_from_db() < 0)
231	{
232	log_error("load_section_config_from_db() error\n");
233	goto cleanup;
234	}
235
236	set_last_article_op_log_from_db();
237	last_aid = 0;
238
239	// Load section articles
240	do
241	{
242	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
243	{
244	log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
245	goto cleanup;
246	}
247
248	last_aid = article_block_last_aid();
249	} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
250
251	log_std("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
252
253	// Set signal handler
254	signal(SIGHUP, sig_hup_handler);
255	signal(SIGCHLD, sig_chld_handler);
256	signal(SIGTERM, sig_term_handler);
257
258	// Launch section_list_loader process
259	if (section_list_loader_launch() < 0)
260	{
261	log_error("section_list_loader_launch() error\n");
262	goto cleanup;
263	}
264
265	// Initialize socket server
266	net_server(BBS_address, BBS_port);
267
268	cleanup:
269	// Cleanup loaded data files
270	file_loader_cleanup();
271
272	// Cleanup menu
273	unload_menu(p_bbs_menu);
274	free(p_bbs_menu);
275	p_bbs_menu = NULL;
276
277	// Cleanup data pools
278	section_list_cleanup();
279	article_block_cleanup();
280	trie_dict_cleanup();
281
282	if (unlink(VAR_TRIE_DICT_SHM) < 0)
283	{
284	log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
285	}
286	if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
287	{
288	log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
289	}
290	if (unlink(VAR_SECTION_LIST_SHM) < 0)
291	{
292	log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
293	}
294
295	log_std("Main process exit normally\n");
296
297	return 0;
298	}
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