diff options
Diffstat (limited to 'src/core/hook/wee-hook-hsignal.c')
| -rw-r--r-- | src/core/hook/wee-hook-hsignal.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/core/hook/wee-hook-hsignal.c b/src/core/hook/wee-hook-hsignal.c new file mode 100644 index 000000000..6f2d1490c --- /dev/null +++ b/src/core/hook/wee-hook-hsignal.c @@ -0,0 +1,179 @@ +/* + * wee-hook-hsignal.c - WeeChat hsignal hook + * + * Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org> + * + * This file is part of WeeChat, the extensible chat client. + * + * WeeChat 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. + * + * WeeChat is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with WeeChat. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <string.h> + +#include "../weechat.h" +#include "../wee-hook.h" +#include "../wee-infolist.h" +#include "../wee-log.h" +#include "../wee-string.h" +#include "../../plugins/plugin.h" + + +/* + * Hooks a hsignal (signal with hashtable). + * + * Returns pointer to new hook, NULL if error. + */ + +struct t_hook * +hook_hsignal (struct t_weechat_plugin *plugin, const char *signal, + t_hook_callback_hsignal *callback, + const void *callback_pointer, + void *callback_data) +{ + struct t_hook *new_hook; + struct t_hook_hsignal *new_hook_hsignal; + int priority; + const char *ptr_signal; + + if (!signal || !signal[0] || !callback) + return NULL; + + new_hook = malloc (sizeof (*new_hook)); + if (!new_hook) + return NULL; + new_hook_hsignal = malloc (sizeof (*new_hook_hsignal)); + if (!new_hook_hsignal) + { + free (new_hook); + return NULL; + } + + hook_get_priority_and_name (signal, &priority, &ptr_signal); + hook_init_data (new_hook, plugin, HOOK_TYPE_HSIGNAL, priority, + callback_pointer, callback_data); + + new_hook->hook_data = new_hook_hsignal; + new_hook_hsignal->callback = callback; + new_hook_hsignal->signal = strdup ((ptr_signal) ? ptr_signal : signal); + + hook_add_to_list (new_hook); + + return new_hook; +} + +/* + * Sends a hsignal (signal with hashtable). + */ + +int +hook_hsignal_send (const char *signal, struct t_hashtable *hashtable) +{ + struct t_hook *ptr_hook, *next_hook; + int rc; + + rc = WEECHAT_RC_OK; + + hook_exec_start (); + + ptr_hook = weechat_hooks[HOOK_TYPE_HSIGNAL]; + while (ptr_hook) + { + next_hook = ptr_hook->next_hook; + + if (!ptr_hook->deleted + && !ptr_hook->running + && (string_match (signal, HOOK_HSIGNAL(ptr_hook, signal), 0))) + { + ptr_hook->running = 1; + rc = (HOOK_HSIGNAL(ptr_hook, callback)) + (ptr_hook->callback_pointer, + ptr_hook->callback_data, + signal, + hashtable); + ptr_hook->running = 0; + + if (rc == WEECHAT_RC_OK_EAT) + break; + } + + ptr_hook = next_hook; + } + + hook_exec_end (); + + return rc; +} + +/* + * Frees data in a hsignal hook. + */ + +void +hook_hsignal_free_data (struct t_hook *hook) +{ + if (!hook || !hook->hook_data) + return; + + if (HOOK_HSIGNAL(hook, signal)) + { + free (HOOK_HSIGNAL(hook, signal)); + HOOK_HSIGNAL(hook, signal) = NULL; + } + + free (hook->hook_data); + hook->hook_data = NULL; +} + +/* + * Adds hsignal hook data in the infolist item. + * + * Returns: + * 1: OK + * 0: error + */ + +int +hook_hsignal_add_to_infolist (struct t_infolist_item *item, + struct t_hook *hook) +{ + if (!item || !hook || !hook->hook_data) + return 0; + + if (!infolist_new_var_pointer (item, "callback", HOOK_HSIGNAL(hook, callback))) + return 0; + if (!infolist_new_var_string (item, "signal", HOOK_HSIGNAL(hook, signal))) + return 0; + + return 1; +} + +/* + * Prints hsignal hook data in WeeChat log file (usually for crash dump). + */ + +void +hook_hsignal_print_log (struct t_hook *hook) +{ + if (!hook || !hook->hook_data) + return; + + log_printf (" signal data:"); + log_printf (" callback. . . . . . . : 0x%lx", HOOK_HSIGNAL(hook, callback)); + log_printf (" signal. . . . . . . . : '%s'", HOOK_HSIGNAL(hook, signal)); +} |