apps/irssi/src/core/core.c

   1 /*
   2  core.c : irssi
   3
   4     Copyright (C) 1999-2000 Timo Sirainen
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #include "module.h"
  22 #include <signal.h>
  23
  24 #include "args.h"
  25 #include "pidwait.h"
  26 #include "misc.h"
  27
  28 #include "net-disconnect.h"
  29 #include "net-sendbuffer.h"
  30 #include "signals.h"
  31 #include "settings.h"
  32 #include "session.h"
  33
  34 #include "chat-protocols.h"
  35 #include "servers.h"
  36 #include "chatnets.h"
  37 #include "commands.h"
  38 #include "expandos.h"
  39 #include "write-buffer.h"
  40 #include "log.h"
  41 #include "rawlog.h"
  42 #include "ignore.h"
  43
  44 #include "channels.h"
  45 #include "queries.h"
  46 #include "nicklist.h"
  47 #include "nickmatch-cache.h"
  48
  49 #ifdef HAVE_SYS_RESOURCE_H
  50 #  include <sys/resource.h>
  51    struct rlimit orig_core_rlimit;
  52 #endif
  53
  54 void chat_commands_init(void);
  55 void chat_commands_deinit(void);
  56
  57 void log_away_init(void);
  58 void log_away_deinit(void);
  59
  60 int irssi_gui;
  61 int irssi_init_finished;
  62 int reload_config;
  63
  64 static char *irssi_dir, *irssi_config_file;
  65 static GSList *dialog_type_queue, *dialog_text_queue;
  66
  67 const char *get_irssi_dir(void)
  68 {
  69         return irssi_dir;
  70 }
  71
  72 /* return full path for ~/.irssi/config */
  73 const char *get_irssi_config(void)
  74 {
  75         return irssi_config_file;
  76 }
  77
  78 static void sig_reload_config(int signo)
  79 {
  80         reload_config = TRUE;
  81 }
  82
  83 static void read_settings(void)
  84 {
  85 #ifndef WIN32
  86         static int signals[] = {
  87                 SIGINT, SIGQUIT, SIGTERM,
  88                 SIGALRM, SIGUSR1, SIGUSR2
  89         };
  90         static char *signames[] = {
  91                 "int", "quit", "term",
  92                 "alrm", "usr1", "usr2"
  93         };
  94
  95         const char *ignores;
  96         struct sigaction act;
  97         int n;
  98
  99         ignores = settings_get_str("ignore_signals");
 100
 101         sigemptyset (&act.sa_mask);
 102         act.sa_flags = 0;
 103
 104         /* reload config on SIGHUP */
 105         act.sa_handler = sig_reload_config;
 106         sigaction(SIGHUP, &act, NULL);
 107
 108         for (n = 0; n < sizeof(signals)/sizeof(signals[0]); n++) {
 109                 act.sa_handler = find_substr(ignores, signames[n]) ?
 110                         SIG_IGN : SIG_DFL;
 111                 sigaction(signals[n], &act, NULL);
 112         }
 113
 114 #ifdef HAVE_SYS_RESOURCE_H
 115         if (!settings_get_bool("override_coredump_limit"))
 116                 setrlimit(RLIMIT_CORE, &orig_core_rlimit);
 117         else {
 118                 struct rlimit rlimit;
 119
 120                 rlimit.rlim_cur = RLIM_INFINITY;
 121                 rlimit.rlim_max = RLIM_INFINITY;
 122                 if (setrlimit(RLIMIT_CORE, &rlimit) == -1)
 123                         settings_set_bool("override_coredump_limit", FALSE);
 124         }
 125 #endif
 126 #endif
 127 }
 128
 129 static void sig_gui_dialog(const char *type, const char *text)
 130 {
 131         dialog_type_queue = g_slist_append(dialog_type_queue, g_strdup(type));
 132         dialog_text_queue = g_slist_append(dialog_text_queue, g_strdup(text));
 133 }
 134
 135 static void sig_init_finished(void)
 136 {
 137         GSList *type, *text;
 138
 139         signal_remove("gui dialog", (SIGNAL_FUNC) sig_gui_dialog);
 140         signal_remove("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
 141
 142         /* send the dialog texts that were in queue before irssi
 143            was initialized */
 144         type = dialog_type_queue;
 145         text = dialog_text_queue;
 146         for (; text != NULL; text = text->next, type = type->next) {
 147                 signal_emit("gui dialog", 2, type->data, text->data);
 148                 g_free(type->data);
 149                 g_free(text->data);
 150         }
 151         g_slist_free(dialog_type_queue);
 152         g_slist_free(dialog_text_queue);
 153 }
 154
 155 void core_init_paths(int argc, char *argv[])
 156 {
 157         static struct poptOption options[] = {
 158                 { "config", 0, POPT_ARG_STRING, NULL, 0, "Configuration file location (~/.irssi/config)", "PATH" },
 159                 { "home", 0, POPT_ARG_STRING, NULL, 0, "Irssi home dir location (~/.irssi)", "PATH" },
 160                 { NULL, '\0', 0, NULL }
 161         };
 162         char *str;
 163         int n, len;
 164
 165         for (n = 1; n < argc; n++) {
 166                 if (strncmp(argv[n], "--home=", 7) == 0) {
 167                         g_free_not_null(irssi_dir);
 168                         irssi_dir = convert_home(argv[n]+7);
 169                         len = strlen(irssi_dir);
 170                         if (irssi_dir[len-1] == G_DIR_SEPARATOR)
 171                                 irssi_dir[len-1] = '\0';
 172                 } else if (strncmp(argv[n], "--config=", 9) == 0) {
 173                         g_free_not_null(irssi_config_file);
 174                         irssi_config_file = convert_home(argv[n]+9);
 175                 }
 176         }
 177
 178         if (irssi_dir != NULL && !g_path_is_absolute(irssi_dir)) {
 179                 str = irssi_dir;
 180                 irssi_dir = g_strdup_printf("%s/%s", g_get_current_dir(), str);
 181                 g_free(str);
 182         }
 183
 184         if (irssi_config_file != NULL &&
 185             !g_path_is_absolute(irssi_config_file)) {
 186                 str = irssi_config_file;
 187                 irssi_config_file =
 188                         g_strdup_printf("%s/%s", g_get_current_dir(), str);
 189                 g_free(str);
 190         }
 191
 192         args_register(options);
 193
 194         if (irssi_dir == NULL)
 195                 irssi_dir = g_strdup_printf(IRSSI_DIR_FULL, get_home_dir());
 196         if (irssi_config_file == NULL)
 197                 irssi_config_file = g_strdup_printf("%s/"IRSSI_HOME_CONFIG,
 198                                                     irssi_dir);
 199
 200         session_set_binary(argv[0]);
 201 }
 202
 203 static void sig_irssi_init_finished(void)
 204 {
 205         irssi_init_finished = TRUE;
 206 }
 207
 208 void core_init(int argc, char *argv[])
 209 {
 210         dialog_type_queue = NULL;
 211         dialog_text_queue = NULL;
 212
 213         modules_init();
 214 #ifndef WIN32
 215         pidwait_init();
 216 #endif
 217
 218         net_disconnect_init();
 219         net_sendbuffer_init();
 220         signals_init();
 221
 222         signal_add_first("gui dialog", (SIGNAL_FUNC) sig_gui_dialog);
 223         signal_add_first("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
 224
 225         settings_init();
 226         commands_init();
 227         nickmatch_cache_init();
 228         session_init();
 229
 230         chat_protocols_init();
 231         chatnets_init();
 232         expandos_init();
 233         ignore_init();
 234         servers_init();
 235         write_buffer_init();
 236         log_init();
 237         log_away_init();
 238         rawlog_init();
 239
 240         channels_init();
 241         queries_init();
 242         nicklist_init();
 243
 244         chat_commands_init();
 245
 246         settings_add_str("misc", "ignore_signals", "");
 247         settings_add_bool("misc", "override_coredump_limit", TRUE);
 248
 249 #ifdef HAVE_SYS_RESOURCE_H
 250         getrlimit(RLIMIT_CORE, &orig_core_rlimit);
 251 #endif
 252         read_settings();
 253         signal_add("setup changed", (SIGNAL_FUNC) read_settings);
 254         signal_add("irssi init finished", (SIGNAL_FUNC) sig_irssi_init_finished);
 255
 256         settings_check();
 257
 258         module_register("core", "core");
 259 }
 260
 261 void core_deinit(void)
 262 {
 263         module_uniq_destroy("WINDOW ITEM TYPE");
 264
 265         signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
 266         signal_remove("irssi init finished", (SIGNAL_FUNC) sig_irssi_init_finished);
 267
 268         chat_commands_deinit();
 269
 270         nicklist_deinit();
 271         queries_deinit();
 272         channels_deinit();
 273
 274         rawlog_deinit();
 275         log_away_deinit();
 276         log_deinit();
 277         write_buffer_deinit();
 278         servers_deinit();
 279         ignore_deinit();
 280         expandos_deinit();
 281         chatnets_deinit();
 282         chat_protocols_deinit();
 283
 284         session_deinit();
 285         nickmatch_cache_deinit();
 286         commands_deinit();
 287         settings_deinit();
 288         signals_deinit();
 289         net_sendbuffer_deinit();
 290         net_disconnect_deinit();
 291
 292 #ifndef WIN32
 293         pidwait_deinit();
 294 #endif
 295         modules_deinit();
 296
 297         g_free(irssi_dir);
 298         g_free(irssi_config_file);
 299 }