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 <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;

        // 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();
                                                exit(0);
                                        case 'v':
                                                puts(app_version);
                                                exit(0);
                                        default:
                                                arg_error();
                                                exit(1);
                                        }
                                }
                        }
                        else
                        {
                                if (strcmp(argv[i] + 2, "foreground") == 0)
                                {
                                        daemon = 0;
                                        break;
                                }
                                if (strcmp(argv[i] + 2, "help") == 0)
                                {
                                        app_help();
                                        exit(0);
                                }
                                if (strcmp(argv[i] + 2, "version") == 0)
                                {
                                        puts(app_version);
                                        exit(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)
        {
                exit(-1);
        }

        if ((!daemon) && std_log_redir)
        {
                log_std_redirect(2);
        }
        if ((!daemon) && error_log_redir)
        {
                log_err_redirect(3);
        }

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

        // Load menus
        if (load_menu(&bbs_menu, CONF_MENU) < 0)
        {
                unload_menu(&bbs_menu);
                exit(-3);
        }

        // Set signal handler
        signal(SIGCHLD, child_exit);
        signal(SIGTERM, system_exit);
        signal(SIG_RELOAD_MENU, reload_bbs_menu);

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

        // Wait for child process exit
        while (SYS_child_process_count > 0)
        {
                log_std("Waiting for %d child process to exit\n", SYS_child_process_count);
                sleep(1);
        }

        // Cleanup
        unload_menu(&bbs_menu);

        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	1.20	#include <stdlib.h>
25	sysadm	1.14	#include <signal.h>
26	sysadm	1.7	#include <string.h>
27	sysadm	1.20	#include <unistd.h>
28	sysadm	1.21	#include <libgen.h>
29	sysadm	1.15	#include <sys/types.h>
30	sysadm	1.20	#include <sys/stat.h>
31	sysadm	1.1
32	sysadm	1.18	void app_help(void)
33	sysadm	1.6	{
34	sysadm	1.18	prints("Usage: bbsd [-fhv] [...]\n\n"
35			"-f\t--foreground\t\tForce program run in foreground\n"
36			"-h\t--help\t\t\tDisplay this help message\n"
37			"-v\t--version\t\tDisplay version information\n"
38			"\t--display-log\t\tDisplay standard log information\n"
39			"\t--display-error-log\tDisplay error log information\n"
40			"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
41	sysadm	1.6	}
42
43	sysadm	1.18	void arg_error(void)
44	sysadm	1.6	{
45	sysadm	1.18	prints("Invalid arguments\n");
46			app_help();
47	sysadm	1.6	}
48
49	sysadm	1.18	int main(int argc, char *argv[])
50	sysadm	1.1	{
51	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
52			int daemon = 1;
53			int std_log_redir = 0;
54			int error_log_redir = 0;
55	sysadm	1.18
56			// Parse args
57	sysadm	1.21	for (int i = 1; i < argc; i++)
58	sysadm	1.12	{
59	sysadm	1.18	switch (argv[i][0])
60	sysadm	1.12	{
61	sysadm	1.18	case '-':
62			if (argv[i][1] != '-')
63			{
64	sysadm	1.21	for (int j = 1; j < strlen(argv[i]); j++)
65	sysadm	1.18	{
66			switch (argv[i][j])
67			{
68			case 'f':
69			daemon = 0;
70			break;
71			case 'h':
72			app_help();
73			exit(0);
74			case 'v':
75			puts(app_version);
76			exit(0);
77			default:
78			arg_error();
79			exit(1);
80			}
81			}
82			}
83			else
84			{
85			if (strcmp(argv[i] + 2, "foreground") == 0)
86			{
87			daemon = 0;
88			break;
89			}
90			if (strcmp(argv[i] + 2, "help") == 0)
91			{
92			app_help();
93			exit(0);
94			}
95			if (strcmp(argv[i] + 2, "version") == 0)
96			{
97			puts(app_version);
98			exit(0);
99			}
100			if (strcmp(argv[i] + 2, "display-log") == 0)
101			{
102			std_log_redir = 1;
103			}
104			if (strcmp(argv[i] + 2, "display-error-log") == 0)
105			{
106			error_log_redir = 1;
107			}
108			}
109			break;
110	sysadm	1.12	}
111			}
112
113	sysadm	1.18	// Initialize daemon
114			if (daemon)
115	sysadm	1.20	{
116	sysadm	1.18	init_daemon();
117	sysadm	1.20	}
118	sysadm	1.18
119			// Change current dir
120	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
121	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
122
123	sysadm	1.21	chdir(dirname(file_path_temp));
124			chdir("..");
125	sysadm	1.18
126			// Initialize log
127	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
128			{
129	sysadm	1.18	exit(-1);
130	sysadm	1.21	}
131	sysadm	1.18
132			if ((!daemon) && std_log_redir)
133	sysadm	1.21	{
134	sysadm	1.18	log_std_redirect(2);
135	sysadm	1.21	}
136	sysadm	1.18	if ((!daemon) && error_log_redir)
137	sysadm	1.21	{
138	sysadm	1.18	log_err_redirect(3);
139	sysadm	1.21	}
140	sysadm	1.18
141			// Load configuration
142	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
143			{
144	sysadm	1.18	exit(-2);
145	sysadm	1.26	}
146	sysadm	1.18
147			// Load menus
148	sysadm	1.26	if (load_menu(&bbs_menu, CONF_MENU) < 0)
149			{
150			unload_menu(&bbs_menu);
151	sysadm	1.18	exit(-3);
152	sysadm	1.26	}
153	sysadm	1.18
154			// Set signal handler
155			signal(SIGCHLD, child_exit);
156			signal(SIGTERM, system_exit);
157			signal(SIG_RELOAD_MENU, reload_bbs_menu);
158
159			// Initialize socket server
160			net_server(BBS_address, BBS_port);
161
162			// Wait for child process exit
163			while (SYS_child_process_count > 0)
164			{
165	sysadm	1.24	log_std("Waiting for %d child process to exit\n", SYS_child_process_count);
166	sysadm	1.18	sleep(1);
167			}
168
169			// Cleanup
170			unload_menu(&bbs_menu);
171	sysadm	1.15
172	sysadm	1.25	log_std("Main process exit normally\n");
173	sysadm	1.24
174	sysadm	1.18	return 0;
175	sysadm	1.1	}
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