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 <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;

        // 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;
        }

        // 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();
        
        // Load section articles
        if (append_articles_from_db(0, 1) < 0)
        {
                log_error("append_articles_from_db(0, 1) error\n");
                goto cleanup;
        }

        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	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	1.4	#include "bbs.h"
18	sysadm	1.20	#include "init.h"
19	sysadm	1.1	#include "common.h"
20	sysadm	1.20	#include "net_server.h"
21			#include "log.h"
22	sysadm	1.7	#include "io.h"
23	sysadm	1.9	#include "menu.h"
24	sysadm	1.34	#include "file_loader.h"
25	sysadm	1.42	#include "section_list_loader.h"
26	sysadm	1.20	#include <stdlib.h>
27	sysadm	1.14	#include <signal.h>
28	sysadm	1.7	#include <string.h>
29	sysadm	1.20	#include <unistd.h>
30	sysadm	1.21	#include <libgen.h>
31	sysadm	1.15	#include <sys/types.h>
32	sysadm	1.20	#include <sys/stat.h>
33	sysadm	1.1
34	sysadm	1.18	void app_help(void)
35	sysadm	1.6	{
36	sysadm	1.18	prints("Usage: bbsd [-fhv] [...]\n\n"
37			"-f\t--foreground\t\tForce program run in foreground\n"
38			"-h\t--help\t\t\tDisplay this help message\n"
39			"-v\t--version\t\tDisplay version information\n"
40			"\t--display-log\t\tDisplay standard log information\n"
41			"\t--display-error-log\tDisplay error log information\n"
42			"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
43	sysadm	1.6	}
44
45	sysadm	1.18	void arg_error(void)
46	sysadm	1.6	{
47	sysadm	1.18	prints("Invalid arguments\n");
48			app_help();
49	sysadm	1.6	}
50
51	sysadm	1.18	int main(int argc, char *argv[])
52	sysadm	1.1	{
53	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
54			int daemon = 1;
55			int std_log_redir = 0;
56			int error_log_redir = 0;
57	sysadm	1.42	FILE *fp;
58	sysadm	1.18
59			// Parse args
60	sysadm	1.21	for (int i = 1; i < argc; i++)
61	sysadm	1.12	{
62	sysadm	1.18	switch (argv[i][0])
63	sysadm	1.12	{
64	sysadm	1.18	case '-':
65			if (argv[i][1] != '-')
66			{
67	sysadm	1.21	for (int j = 1; j < strlen(argv[i]); j++)
68	sysadm	1.18	{
69			switch (argv[i][j])
70			{
71			case 'f':
72			daemon = 0;
73			break;
74			case 'h':
75			app_help();
76	sysadm	1.30	return 0;
77	sysadm	1.18	case 'v':
78			puts(app_version);
79	sysadm	1.30	return 0;
80	sysadm	1.18	default:
81			arg_error();
82	sysadm	1.30	return 1;
83	sysadm	1.18	}
84			}
85			}
86			else
87			{
88			if (strcmp(argv[i] + 2, "foreground") == 0)
89			{
90			daemon = 0;
91			break;
92			}
93			if (strcmp(argv[i] + 2, "help") == 0)
94			{
95			app_help();
96	sysadm	1.30	return 0;
97	sysadm	1.18	}
98			if (strcmp(argv[i] + 2, "version") == 0)
99			{
100			puts(app_version);
101	sysadm	1.30	return 0;
102	sysadm	1.18	}
103			if (strcmp(argv[i] + 2, "display-log") == 0)
104			{
105			std_log_redir = 1;
106			}
107			if (strcmp(argv[i] + 2, "display-error-log") == 0)
108			{
109			error_log_redir = 1;
110			}
111			}
112			break;
113	sysadm	1.12	}
114			}
115
116	sysadm	1.18	// Initialize daemon
117			if (daemon)
118	sysadm	1.20	{
119	sysadm	1.31	init_daemon();
120	sysadm	1.20	}
121	sysadm	1.18
122			// Change current dir
123	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
124	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
125
126	sysadm	1.21	chdir(dirname(file_path_temp));
127			chdir("..");
128	sysadm	1.18
129			// Initialize log
130	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
131			{
132	sysadm	1.30	return -1;
133	sysadm	1.21	}
134	sysadm	1.18
135			if ((!daemon) && std_log_redir)
136	sysadm	1.21	{
137	sysadm	1.28	log_std_redirect(STDERR_FILENO);
138	sysadm	1.21	}
139	sysadm	1.18	if ((!daemon) && error_log_redir)
140	sysadm	1.21	{
141	sysadm	1.28	log_err_redirect(STDERR_FILENO);
142	sysadm	1.21	}
143	sysadm	1.18
144			// Load configuration
145	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
146			{
147	sysadm	1.30	return -2;
148	sysadm	1.26	}
149	sysadm	1.18
150	sysadm	1.42	// Initialize data pools
151			if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
152			{
153			log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
154	sysadm	1.43	goto cleanup;
155	sysadm	1.42	}
156			fclose(fp);
157			if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
158			{
159			log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
160	sysadm	1.43	goto cleanup;
161	sysadm	1.42	}
162			fclose(fp);
163			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
164			{
165			log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
166	sysadm	1.43	goto cleanup;
167	sysadm	1.42	}
168			fclose(fp);
169
170			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
171	sysadm	1.39	{
172			printf("trie_dict_init failed\n");
173	sysadm	1.43	goto cleanup;
174	sysadm	1.39	}
175	sysadm	1.42	if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK) < 0)
176			{
177			log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / ARTICLE_PER_BLOCK);
178	sysadm	1.43	goto cleanup;
179	sysadm	1.42	}
180			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
181			{
182			log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
183	sysadm	1.43	goto cleanup;
184	sysadm	1.42	}
185	sysadm	1.39
186	sysadm	1.36	// Load BBS cmd
187			if (load_cmd() < 0)
188			{
189	sysadm	1.43	goto cleanup;
190	sysadm	1.36	}
191
192	sysadm	1.18	// Load menus
193	sysadm	1.32	p_bbs_menu = calloc(1, sizeof(MENU_SET));
194			if (p_bbs_menu == NULL)
195	sysadm	1.26	{
196	sysadm	1.32	log_error("OOM: calloc(MENU_SET)\n");
197	sysadm	1.43	goto cleanup;
198	sysadm	1.32	}
199			if (load_menu(p_bbs_menu, CONF_MENU) < 0)
200			{
201	sysadm	1.43	goto cleanup;
202	sysadm	1.26	}
203	sysadm	1.18
204	sysadm	1.34	// Load data files
205	sysadm	1.35	if (file_loader_init() < 0)
206	sysadm	1.34	{
207			log_error("file_loader_init() error\n");
208	sysadm	1.43	goto cleanup;
209	sysadm	1.34	}
210			for (int i = 0; i < data_files_load_startup_count; i++)
211			{
212	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
213	sysadm	1.34	{
214			log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]);
215			}
216			}
217
218	sysadm	1.42	// Load section config
219			if (load_section_config_from_db() < 0)
220			{
221			log_error("load_section_config_from_db() error\n");
222	sysadm	1.43	goto cleanup;
223	sysadm	1.42	}
224
225	sysadm	1.46	set_last_article_op_log_from_db();
226
227	sysadm	1.45	// Load section articles
228	sysadm	1.43	if (append_articles_from_db(0, 1) < 0)
229			{
230			log_error("append_articles_from_db(0, 1) error\n");
231			goto cleanup;
232			}
233
234	sysadm	1.45	log_std("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
235	sysadm	1.43
236	sysadm	1.18	// Set signal handler
237	sysadm	1.27	signal(SIGHUP, sig_hup_handler);
238			signal(SIGCHLD, sig_chld_handler);
239			signal(SIGTERM, sig_term_handler);
240	sysadm	1.18
241	sysadm	1.45	// Launch section_list_loader process
242			if (section_list_loader_launch() < 0)
243			{
244			log_error("section_list_loader_launch() error\n");
245			goto cleanup;
246			}
247
248	sysadm	1.18	// Initialize socket server
249	sysadm	1.33	net_server(BBS_address, BBS_port);
250	sysadm	1.18
251	sysadm	1.43	cleanup:
252	sysadm	1.34	// Cleanup loaded data files
253			file_loader_cleanup();
254	sysadm	1.42
255	sysadm	1.32	// Cleanup menu
256			unload_menu(p_bbs_menu);
257			free(p_bbs_menu);
258			p_bbs_menu = NULL;
259	sysadm	1.15
260	sysadm	1.42	// Cleanup data pools
261			section_list_cleanup();
262			article_block_cleanup();
263	sysadm	1.39	trie_dict_cleanup();
264
265	sysadm	1.42	if (unlink(VAR_TRIE_DICT_SHM) < 0)
266			{
267			log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
268			}
269			if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
270			{
271			log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
272			}
273			if (unlink(VAR_SECTION_LIST_SHM) < 0)
274			{
275			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
276			}
277
278	sysadm	1.25	log_std("Main process exit normally\n");
279	sysadm	1.42
280	sysadm	1.30	return 0;
281	sysadm	1.1	}
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