/[LeafOK_CVS]/lbbs/src/main.c
ViewVC logotype

Contents of /lbbs/src/main.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.52 - (show annotations)
Tue Jun 17 01:24:21 2025 UTC (9 months ago) by sysadm
Branch: MAIN
Changes since 1.51: +21 -3 lines
Content type: text/x-csrc
Replace signal() with sigaction()

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 #define _POSIX_C_SOURCE 200809L
18
19 #include "bbs.h"
20 #include "init.h"
21 #include "common.h"
22 #include "net_server.h"
23 #include "log.h"
24 #include "io.h"
25 #include "menu.h"
26 #include "file_loader.h"
27 #include "section_list_loader.h"
28 #include <errno.h>
29 #include <stdlib.h>
30 #include <signal.h>
31 #include <string.h>
32 #include <unistd.h>
33 #include <libgen.h>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36
37 void app_help(void)
38 {
39 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 }
47
48 void arg_error(void)
49 {
50 prints("Invalid arguments\n");
51 app_help();
52 }
53
54 int main(int argc, char *argv[])
55 {
56 char file_path_temp[FILE_PATH_LEN];
57 int daemon = 1;
58 int std_log_redir = 0;
59 int error_log_redir = 0;
60 FILE *fp;
61 int ret;
62 int last_aid;
63 struct sigaction act = {0};
64
65 // Parse args
66 for (int i = 1; i < argc; i++)
67 {
68 switch (argv[i][0])
69 {
70 case '-':
71 if (argv[i][1] != '-')
72 {
73 for (int j = 1; j < strlen(argv[i]); j++)
74 {
75 switch (argv[i][j])
76 {
77 case 'f':
78 daemon = 0;
79 break;
80 case 'h':
81 app_help();
82 return 0;
83 case 'v':
84 puts(APP_NAME_VER);
85 return 0;
86 default:
87 arg_error();
88 return 1;
89 }
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 return 0;
103 }
104 if (strcmp(argv[i] + 2, "version") == 0)
105 {
106 puts(APP_NAME_VER);
107 return 0;
108 }
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 }
120 }
121
122 // Initialize daemon
123 if (daemon)
124 {
125 init_daemon();
126 }
127
128 // Change current dir
129 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
130 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
131
132 chdir(dirname(file_path_temp));
133 chdir("..");
134
135 // Initialize log
136 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
137 {
138 return -1;
139 }
140
141 if ((!daemon) && std_log_redir)
142 {
143 log_common_redir(STDERR_FILENO);
144 }
145 if ((!daemon) && error_log_redir)
146 {
147 log_error_redir(STDERR_FILENO);
148 }
149
150 log_common("BBS Server (%s) is staring...\n", APP_NAME_VER);
151
152 // Load configuration
153 if (load_conf(CONF_BBSD) < 0)
154 {
155 return -2;
156 }
157
158 // Check article cache dir
159 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
160 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 // 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 goto cleanup;
171 }
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 goto cleanup;
177 }
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 goto cleanup;
183 }
184 fclose(fp);
185
186 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
187 {
188 printf("trie_dict_init failed\n");
189 goto cleanup;
190 }
191 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 goto cleanup;
195 }
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 goto cleanup;
200 }
201
202 // Load BBS cmd
203 if (load_cmd() < 0)
204 {
205 goto cleanup;
206 }
207
208 // Load menus
209 p_bbs_menu = calloc(1, sizeof(MENU_SET));
210 if (p_bbs_menu == NULL)
211 {
212 log_error("OOM: calloc(MENU_SET)\n");
213 goto cleanup;
214 }
215 if (load_menu(p_bbs_menu, CONF_MENU) < 0)
216 {
217 goto cleanup;
218 }
219
220 // Load data files
221 if (file_loader_init() < 0)
222 {
223 log_error("file_loader_init() error\n");
224 goto cleanup;
225 }
226 for (int i = 0; i < data_files_load_startup_count; i++)
227 {
228 if (load_file(data_files_load_startup[i]) < 0)
229 {
230 log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]);
231 }
232 }
233
234 // Load section config
235 if (load_section_config_from_db() < 0)
236 {
237 log_error("load_section_config_from_db() error\n");
238 goto cleanup;
239 }
240
241 set_last_article_op_log_from_db();
242 last_aid = 0;
243
244 // Load section articles
245 do
246 {
247 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
256 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
257
258 // Set signal handler
259 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
278 // 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 // Initialize socket server
286 net_server(BBS_address, BBS_port);
287
288 cleanup:
289 // Cleanup loaded data files
290 file_loader_cleanup();
291
292 // Cleanup menu
293 unload_menu(p_bbs_menu);
294 free(p_bbs_menu);
295 p_bbs_menu = NULL;
296
297 // Cleanup data pools
298 section_list_cleanup();
299 article_block_cleanup();
300 trie_dict_cleanup();
301
302 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 log_common("Main process exit normally\n");
316
317 return 0;
318 }

webmaster@leafok.com
ViewVC Help
Powered by ViewVC 1.3.0-beta1