#include "asterisk/utils.h"
Go to the source code of this file.
Data Structures | |
struct | ast_module_info |
Defines | |
#define | __MODULE_INFO_GLOBALS |
#define | __MODULE_INFO_SECTION |
#define | AST_MODULE_CONFIG "modules.conf" |
Module configuration file. | |
#define | AST_MODULE_INFO(keystr, flags_to_set, desc, fields...) |
#define | AST_MODULE_INFO_STANDARD(keystr, desc) |
#define | ast_module_user_add(chan) __ast_module_user_add(ast_module_info->self, chan) |
#define | ast_module_user_hangup_all() __ast_module_user_hangup_all(ast_module_info->self) |
#define | ast_module_user_remove(user) __ast_module_user_remove(ast_module_info->self, user) |
#define | ast_register_application(app, execute, synopsis, description) ast_register_application2(app, execute, synopsis, description, ast_module_info->self) |
Register an application. | |
#define | ASTERISK_GPL_KEY "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" |
The text the key() function should return. | |
Enumerations | |
enum | ast_module_flags { AST_MODFLAG_DEFAULT = 0, AST_MODFLAG_GLOBAL_SYMBOLS = (1 << 0) } |
enum | ast_module_load_result { AST_MODULE_LOAD_SUCCESS = 0, AST_MODULE_LOAD_DECLINE = 1, AST_MODULE_LOAD_SKIP = 2, AST_MODULE_LOAD_FAILURE = -1 } |
enum | ast_module_unload_mode { AST_FORCE_SOFT = 0, AST_FORCE_FIRM = 1, AST_FORCE_HARD = 2 } |
Functions | |
ast_module_user * | __ast_module_user_add (struct ast_module *, struct ast_channel *) |
void | __ast_module_user_hangup_all (struct ast_module *) |
void | __ast_module_user_remove (struct ast_module *, struct ast_module_user *) |
enum ast_module_load_result | ast_load_resource (const char *resource_name) |
Load a module. | |
int | ast_loader_register (int(*updater)(void)) |
Add a procedure to be run when modules have been updated. | |
int | ast_loader_unregister (int(*updater)(void)) |
Remove a procedure to be run when modules are updated. | |
int | ast_module_check (const char *name) |
Check if module with the name given is loaded. | |
char * | ast_module_helper (const char *line, const char *word, int pos, int state, int rpos, int needsreload) |
Match modules names for the Asterisk cli. | |
ast_module * | ast_module_ref (struct ast_module *) |
void | ast_module_register (const struct ast_module_info *) |
void | ast_module_shutdown (void) |
Run the unload() callback for all loaded modules. | |
void | ast_module_unref (struct ast_module *) |
void | ast_module_unregister (const struct ast_module_info *) |
int | ast_register_application2 (const char *app, int(*execute)(struct ast_channel *, void *), const char *synopsis, const char *description, void *mod) |
Register an application. | |
int | ast_unload_resource (const char *resource_name, enum ast_module_unload_mode) |
Unload a module. | |
int | ast_unregister_application (const char *app) |
Unregister an application. | |
int | ast_update_module_list (int(*modentry)(const char *module, const char *description, int usecnt, const char *like), const char *like) |
Ask for a list of modules, descriptions, and use counts. | |
void | ast_update_use_count (void) |
Notify when usecount has been changed. | |
Variables | |
static const struct ast_module_info * | ast_module_info |
This file contains the definitons for functions Asterisk modules should provide and some other module related functions.
Definition in file module.h.
#define AST_MODULE_CONFIG "modules.conf" |
#define AST_MODULE_INFO | ( | keystr, | |||
flags_to_set, | |||||
desc, | |||||
fields... | ) |
#define AST_MODULE_INFO_STANDARD | ( | keystr, | |||
desc | ) |
Value:
AST_MODULE_INFO(keystr, AST_MODFLAG_DEFAULT, desc, \ .load = load_module, \ .unload = unload_module, \ )
#define ast_module_user_add | ( | chan | ) | __ast_module_user_add(ast_module_info->self, chan) |
Definition at line 231 of file module.h.
Referenced by canmatch(), dundi_query_read(), dundi_result_read(), dundifunc_read(), exec(), exists(), local_new(), login_exec(), matchmore(), nbs_new(), pickupchan_exec(), smdi_msg_read(), and smdi_msg_retrieve_read().
#define ast_module_user_hangup_all | ( | ) | __ast_module_user_hangup_all(ast_module_info->self) |
#define ast_module_user_remove | ( | user | ) | __ast_module_user_remove(ast_module_info->self, user) |
Definition at line 232 of file module.h.
Referenced by canmatch(), dundi_query_read(), dundi_result_read(), dundifunc_read(), exec(), exists(), local_hangup(), login_exec(), matchmore(), nbs_destroy(), pickupchan_exec(), smdi_msg_read(), and smdi_msg_retrieve_read().
#define ast_register_application | ( | app, | |||
execute, | |||||
synopsis, | |||||
description | ) | ast_register_application2(app, execute, synopsis, description, ast_module_info->self) |
Register an application.
app | Short name of the application | |
execute | a function callback to execute the application. It should return non-zero if the channel needs to be hung up. | |
synopsis | a short description (one line synopsis) of the application | |
description | long description with all of the details about the use of the application |
0 | success | |
-1 | failure. |
Definition at line 381 of file module.h.
Referenced by load_module().
#define ASTERISK_GPL_KEY "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" |
enum ast_module_flags |
Definition at line 189 of file module.h.
00189 { 00190 AST_MODFLAG_DEFAULT = 0, 00191 AST_MODFLAG_GLOBAL_SYMBOLS = (1 << 0), 00192 };
Definition at line 60 of file module.h.
00060 { 00061 AST_MODULE_LOAD_SUCCESS = 0, /*!< Module loaded and configured */ 00062 AST_MODULE_LOAD_DECLINE = 1, /*!< Module is not configured */ 00063 AST_MODULE_LOAD_SKIP = 2, /*!< Module was skipped for some reason */ 00064 AST_MODULE_LOAD_FAILURE = -1, /*!< Module could not be loaded properly */ 00065 };
Definition at line 53 of file module.h.
00053 { 00054 AST_FORCE_SOFT = 0, /*!< Softly unload a module, only if not in use */ 00055 AST_FORCE_FIRM = 1, /*!< Firmly unload a module, even if in use */ 00056 AST_FORCE_HARD = 2, /*!< as FIRM, plus dlclose() on the module. Not recommended 00057 as it may cause crashes */ 00058 };
struct ast_module_user* __ast_module_user_add | ( | struct ast_module * | , | |
struct ast_channel * | ||||
) |
Definition at line 192 of file loader.c.
References ast_atomic_fetchadd_int(), ast_calloc, AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_UNLOCK, ast_update_use_count(), ast_module_user::chan, ast_module_user::entry, ast_module::usecount, and ast_module::users.
Referenced by ast_func_read(), ast_func_write(), and pbx_exec().
00194 { 00195 struct ast_module_user *u = ast_calloc(1, sizeof(*u)); 00196 00197 if (!u) 00198 return NULL; 00199 00200 u->chan = chan; 00201 00202 AST_LIST_LOCK(&mod->users); 00203 AST_LIST_INSERT_HEAD(&mod->users, u, entry); 00204 AST_LIST_UNLOCK(&mod->users); 00205 00206 ast_atomic_fetchadd_int(&mod->usecount, +1); 00207 00208 ast_update_use_count(); 00209 00210 return u; 00211 }
void __ast_module_user_hangup_all | ( | struct ast_module * | ) |
Definition at line 224 of file loader.c.
References ast_atomic_fetchadd_int(), ast_free, AST_LIST_LOCK, AST_LIST_REMOVE_HEAD, AST_LIST_UNLOCK, ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, ast_update_use_count(), ast_module_user::chan, ast_module_user::entry, ast_module::usecount, and ast_module::users.
Referenced by ast_unload_resource().
00225 { 00226 struct ast_module_user *u; 00227 00228 AST_LIST_LOCK(&mod->users); 00229 while ((u = AST_LIST_REMOVE_HEAD(&mod->users, entry))) { 00230 ast_softhangup(u->chan, AST_SOFTHANGUP_APPUNLOAD); 00231 ast_atomic_fetchadd_int(&mod->usecount, -1); 00232 ast_free(u); 00233 } 00234 AST_LIST_UNLOCK(&mod->users); 00235 00236 ast_update_use_count(); 00237 }
void __ast_module_user_remove | ( | struct ast_module * | , | |
struct ast_module_user * | ||||
) |
Definition at line 213 of file loader.c.
References ast_atomic_fetchadd_int(), ast_free, AST_LIST_LOCK, AST_LIST_REMOVE, AST_LIST_UNLOCK, ast_update_use_count(), ast_module_user::entry, ast_module::usecount, and ast_module::users.
Referenced by ast_func_read(), ast_func_write(), and pbx_exec().
00214 { 00215 AST_LIST_LOCK(&mod->users); 00216 AST_LIST_REMOVE(&mod->users, u, entry); 00217 AST_LIST_UNLOCK(&mod->users); 00218 ast_atomic_fetchadd_int(&mod->usecount, -1); 00219 ast_free(u); 00220 00221 ast_update_use_count(); 00222 }
enum ast_module_load_result ast_load_resource | ( | const char * | resource_name | ) |
Load a module.
resource_name | The name of the module to load. |
Definition at line 787 of file loader.c.
References AST_LIST_LOCK, AST_LIST_UNLOCK, and load_resource().
Referenced by file_ok_sel(), handle_load(), manager_moduleload(), and reload().
00788 { 00789 int res; 00790 AST_LIST_LOCK(&module_list); 00791 res = load_resource(resource_name, 0); 00792 AST_LIST_UNLOCK(&module_list); 00793 00794 return res; 00795 }
int ast_loader_register | ( | int(*)(void) | updater | ) |
Add a procedure to be run when modules have been updated.
updater | The function to run when modules have been updated. |
0 | on success | |
-1 | on failure. |
Definition at line 1041 of file loader.c.
References AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_UNLOCK, and ast_malloc.
Referenced by show_console().
01042 { 01043 struct loadupdate *tmp; 01044 01045 if (!(tmp = ast_malloc(sizeof(*tmp)))) 01046 return -1; 01047 01048 tmp->updater = v; 01049 AST_LIST_LOCK(&updaters); 01050 AST_LIST_INSERT_HEAD(&updaters, tmp, entry); 01051 AST_LIST_UNLOCK(&updaters); 01052 01053 return 0; 01054 }
int ast_loader_unregister | ( | int(*)(void) | updater | ) |
Remove a procedure to be run when modules are updated.
updater | The updater function to unregister. |
0 | on success | |
-1 | on failure. |
Definition at line 1056 of file loader.c.
References AST_LIST_LOCK, AST_LIST_REMOVE_CURRENT, AST_LIST_TRAVERSE_SAFE_BEGIN, AST_LIST_TRAVERSE_SAFE_END, AST_LIST_UNLOCK, and loadupdate::updater.
Referenced by exit_now().
01057 { 01058 struct loadupdate *cur; 01059 01060 AST_LIST_LOCK(&updaters); 01061 AST_LIST_TRAVERSE_SAFE_BEGIN(&updaters, cur, entry) { 01062 if (cur->updater == v) { 01063 AST_LIST_REMOVE_CURRENT(entry); 01064 break; 01065 } 01066 } 01067 AST_LIST_TRAVERSE_SAFE_END; 01068 AST_LIST_UNLOCK(&updaters); 01069 01070 return cur ? 0 : -1; 01071 }
int ast_module_check | ( | const char * | name | ) |
Check if module with the name given is loaded.
name | Module name, like "chan_sip.so" |
1 | if true | |
0 | if false |
Definition at line 1028 of file loader.c.
References ast_strlen_zero(), and find_resource().
Referenced by ifmodule_read(), and manager_modulecheck().
01029 { 01030 struct ast_module *cur; 01031 01032 if (ast_strlen_zero(name)) 01033 return 0; /* FALSE */ 01034 01035 cur = find_resource(name, 1); 01036 01037 return (cur != NULL); 01038 }
char* ast_module_helper | ( | const char * | line, | |
const char * | word, | |||
int | pos, | |||
int | state, | |||
int | rpos, | |||
int | needsreload | |||
) |
Match modules names for the Asterisk cli.
line | Unused by this function, but this should be the line we are matching. | |
word | The partial name to match. | |
pos | The position the word we are completing is in. | |
state | The possible match to return. | |
rpos | The position we should be matching. This should be the same as pos. | |
needsreload | This should be 1 if we need to reload this module and 0 otherwise. This function will only return modules that are reloadble if this is 1. |
A | possible completion of the partial match. | |
NULL | if no matches were found. |
Definition at line 523 of file loader.c.
References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_strdup, ast_module_user::entry, ast_module::info, name, ast_module_info::reload, and ast_module::resource.
Referenced by handle_modlist(), handle_reload(), handle_unload(), and load_module().
00524 { 00525 struct ast_module *cur; 00526 int i, which=0, l = strlen(word); 00527 char *ret = NULL; 00528 00529 if (pos != rpos) 00530 return NULL; 00531 00532 AST_LIST_LOCK(&module_list); 00533 AST_LIST_TRAVERSE(&module_list, cur, entry) { 00534 if (!strncasecmp(word, cur->resource, l) && 00535 (cur->info->reload || !needsreload) && 00536 ++which > state) { 00537 ret = ast_strdup(cur->resource); 00538 break; 00539 } 00540 } 00541 AST_LIST_UNLOCK(&module_list); 00542 00543 if (!ret) { 00544 for (i=0; !ret && reload_classes[i].name; i++) { 00545 if (!strncasecmp(word, reload_classes[i].name, l) && ++which > state) 00546 ret = ast_strdup(reload_classes[i].name); 00547 } 00548 } 00549 00550 return ret; 00551 }
struct ast_module* ast_module_ref | ( | struct ast_module * | ) |
Definition at line 1073 of file loader.c.
References ast_atomic_fetchadd_int(), ast_update_use_count(), and ast_module::usecount.
Referenced by __oh323_new(), agi_handle_command(), alsa_new(), ast_agi_register(), ast_iax2_new(), dahdi_new(), fn_wrapper(), gtalk_new(), handle_cli_file_convert(), handle_orig(), mgcp_new(), newpvt(), oss_new(), phone_check_exception(), phone_new(), sip_new(), skinny_new(), and usbradio_new().
01074 { 01075 ast_atomic_fetchadd_int(&mod->usecount, +1); 01076 ast_update_use_count(); 01077 01078 return mod; 01079 }
void ast_module_register | ( | const struct ast_module_info * | ) |
Definition at line 130 of file loader.c.
References ast_calloc, AST_LIST_HEAD_INIT, AST_LIST_INSERT_TAIL, AST_LIST_LOCK, AST_LIST_UNLOCK, embedding, ast_module_user::entry, ast_module::info, resource_being_loaded, and ast_module::users.
00131 { 00132 struct ast_module *mod; 00133 00134 if (embedding) { 00135 if (!(mod = ast_calloc(1, sizeof(*mod) + strlen(info->name) + 1))) 00136 return; 00137 strcpy(mod->resource, info->name); 00138 } else { 00139 mod = resource_being_loaded; 00140 } 00141 00142 mod->info = info; 00143 AST_LIST_HEAD_INIT(&mod->users); 00144 00145 /* during startup, before the loader has been initialized, 00146 there are no threads, so there is no need to take the lock 00147 on this list to manipulate it. it is also possible that it 00148 might be unsafe to use the list lock at that point... so 00149 let's avoid it altogether 00150 */ 00151 if (embedding) { 00152 AST_LIST_INSERT_TAIL(&embedded_module_list, mod, entry); 00153 } else { 00154 AST_LIST_LOCK(&module_list); 00155 /* it is paramount that the new entry be placed at the tail of 00156 the list, otherwise the code that uses dlopen() to load 00157 dynamic modules won't be able to find out if the module it 00158 just opened was registered or failed to load 00159 */ 00160 AST_LIST_INSERT_TAIL(&module_list, mod, entry); 00161 AST_LIST_UNLOCK(&module_list); 00162 } 00163 00164 /* give the module a copy of its own handle, for later use in registrations and the like */ 00165 *((struct ast_module **) &(info->self)) = mod; 00166 }
void ast_module_shutdown | ( | void | ) |
Run the unload() callback for all loaded modules.
This function should be called when Asterisk is shutting down gracefully.
Definition at line 438 of file loader.c.
References AST_LIST_HEAD_DESTROY, AST_LIST_HEAD_NOLOCK_STATIC, AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_REMOVE_HEAD, AST_LIST_UNLOCK, ast_module_user::entry, free, ast_module::info, ast_module_info::unload, and ast_module::users.
Referenced by quit_handler().
00439 { 00440 struct ast_module *mod; 00441 AST_LIST_HEAD_NOLOCK_STATIC(local_module_list, ast_module); 00442 00443 /* We have to call the unload() callbacks in reverse order that the modules 00444 * exist in the module list so it is the reverse order of how they were 00445 * loaded. */ 00446 00447 AST_LIST_LOCK(&module_list); 00448 while ((mod = AST_LIST_REMOVE_HEAD(&module_list, entry))) 00449 AST_LIST_INSERT_HEAD(&local_module_list, mod, entry); 00450 AST_LIST_UNLOCK(&module_list); 00451 00452 while ((mod = AST_LIST_REMOVE_HEAD(&local_module_list, entry))) { 00453 if (mod->info->unload) 00454 mod->info->unload(); 00455 /* Since this should only be called when shutting down "gracefully", 00456 * all channels should be down before we get to this point, meaning 00457 * there will be no module users left. */ 00458 AST_LIST_HEAD_DESTROY(&mod->users); 00459 free(mod); 00460 } 00461 }
void ast_module_unref | ( | struct ast_module * | ) |
Definition at line 1081 of file loader.c.
References ast_atomic_fetchadd_int(), ast_update_use_count(), and ast_module::usecount.
Referenced by agi_handle_command(), alsa_hangup(), ast_agi_unregister(), ast_smdi_interface_destroy(), dahdi_destroy_channel_bynum(), dahdi_hangup(), destroy(), filestream_destructor(), gtalk_hangup(), handle_cli_file_convert(), handle_orig(), iax2_predestroy(), mgcp_hangup(), oh323_hangup(), oss_hangup(), phone_check_exception(), phone_hangup(), sip_hangup(), and usbradio_hangup().
01082 { 01083 ast_atomic_fetchadd_int(&mod->usecount, -1); 01084 ast_update_use_count(); 01085 }
void ast_module_unregister | ( | const struct ast_module_info * | ) |
Definition at line 168 of file loader.c.
References ast_free, AST_LIST_HEAD_DESTROY, AST_LIST_LOCK, AST_LIST_REMOVE_CURRENT, AST_LIST_TRAVERSE_SAFE_BEGIN, AST_LIST_TRAVERSE_SAFE_END, AST_LIST_UNLOCK, ast_module_user::entry, ast_module::info, and ast_module::users.
00169 { 00170 struct ast_module *mod = NULL; 00171 00172 /* it is assumed that the users list in the module structure 00173 will already be empty, or we cannot have gotten to this 00174 point 00175 */ 00176 AST_LIST_LOCK(&module_list); 00177 AST_LIST_TRAVERSE_SAFE_BEGIN(&module_list, mod, entry) { 00178 if (mod->info == info) { 00179 AST_LIST_REMOVE_CURRENT(entry); 00180 break; 00181 } 00182 } 00183 AST_LIST_TRAVERSE_SAFE_END; 00184 AST_LIST_UNLOCK(&module_list); 00185 00186 if (mod) { 00187 AST_LIST_HEAD_DESTROY(&mod->users); 00188 ast_free(mod); 00189 } 00190 }
int ast_register_application2 | ( | const char * | app, | |
int(*)(struct ast_channel *, void *) | execute, | |||
const char * | synopsis, | |||
const char * | description, | |||
void * | mod | |||
) |
Register an application.
app | Short name of the application | |
execute | a function callback to execute the application. It should return non-zero if the channel needs to be hung up. | |
synopsis | a short description (one line synopsis) of the application | |
description | long description with all of the details about the use of the application | |
mod | module this application belongs to |
0 | success | |
-1 | failure. |
Definition at line 4455 of file pbx.c.
References ast_calloc, ast_log(), AST_RWLIST_INSERT_BEFORE_CURRENT, AST_RWLIST_INSERT_TAIL, AST_RWLIST_TRAVERSE, AST_RWLIST_TRAVERSE_SAFE_BEGIN, AST_RWLIST_TRAVERSE_SAFE_END, AST_RWLIST_UNLOCK, AST_RWLIST_WRLOCK, ast_verb, COLOR_BRCYAN, ast_app::description, ast_app::execute, ast_app::list, LOG_WARNING, ast_app::module, ast_app::name, ast_app::synopsis, and term_color().
Referenced by ast_features_init(), and load_pbx().
04456 { 04457 struct ast_app *tmp, *cur = NULL; 04458 char tmps[80]; 04459 int length, res; 04460 04461 AST_RWLIST_WRLOCK(&apps); 04462 AST_RWLIST_TRAVERSE(&apps, tmp, list) { 04463 if (!(res = strcasecmp(app, tmp->name))) { 04464 ast_log(LOG_WARNING, "Already have an application '%s'\n", app); 04465 AST_RWLIST_UNLOCK(&apps); 04466 return -1; 04467 } else if (res < 0) 04468 break; 04469 } 04470 04471 length = sizeof(*tmp) + strlen(app) + 1; 04472 04473 if (!(tmp = ast_calloc(1, length))) { 04474 AST_RWLIST_UNLOCK(&apps); 04475 return -1; 04476 } 04477 04478 strcpy(tmp->name, app); 04479 tmp->execute = execute; 04480 tmp->synopsis = synopsis; 04481 tmp->description = description; 04482 tmp->module = mod; 04483 04484 /* Store in alphabetical order */ 04485 AST_RWLIST_TRAVERSE_SAFE_BEGIN(&apps, cur, list) { 04486 if (strcasecmp(tmp->name, cur->name) < 0) { 04487 AST_RWLIST_INSERT_BEFORE_CURRENT(tmp, list); 04488 break; 04489 } 04490 } 04491 AST_RWLIST_TRAVERSE_SAFE_END; 04492 if (!cur) 04493 AST_RWLIST_INSERT_TAIL(&apps, tmp, list); 04494 04495 ast_verb(2, "Registered application '%s'\n", term_color(tmps, tmp->name, COLOR_BRCYAN, 0, sizeof(tmps))); 04496 04497 AST_RWLIST_UNLOCK(&apps); 04498 04499 return 0; 04500 }
int ast_unload_resource | ( | const char * | resource_name, | |
enum | ast_module_unload_mode | |||
) |
Unload a module.
resource_name | The name of the module to unload. | |
ast_module_unload_mode | The force flag. This should be set using one of the AST_FORCE flags. |
0 | on success. | |
-1 | on error. |
Definition at line 463 of file loader.c.
References __ast_module_user_hangup_all(), AST_FORCE_FIRM, AST_LIST_LOCK, AST_LIST_UNLOCK, ast_log(), ast_update_use_count(), ast_module::declined, find_resource(), ast_module::flags, ast_module::info, ast_module::lib, LOG_WARNING, ast_module_info::restore_globals, ast_module::running, unload_dynamic_module(), and ast_module::usecount.
Referenced by exit_now(), handle_unload(), manager_moduleload(), reload(), and remove_module().
00464 { 00465 struct ast_module *mod; 00466 int res = -1; 00467 int error = 0; 00468 00469 AST_LIST_LOCK(&module_list); 00470 00471 if (!(mod = find_resource(resource_name, 0))) { 00472 AST_LIST_UNLOCK(&module_list); 00473 ast_log(LOG_WARNING, "Unload failed, '%s' could not be found\n", resource_name); 00474 return 0; 00475 } 00476 00477 if (!(mod->flags.running || mod->flags.declined)) 00478 error = 1; 00479 00480 if (!error && (mod->usecount > 0)) { 00481 if (force) 00482 ast_log(LOG_WARNING, "Warning: Forcing removal of module '%s' with use count %d\n", 00483 resource_name, mod->usecount); 00484 else { 00485 ast_log(LOG_WARNING, "Soft unload failed, '%s' has use count %d\n", resource_name, 00486 mod->usecount); 00487 error = 1; 00488 } 00489 } 00490 00491 if (!error) { 00492 __ast_module_user_hangup_all(mod); 00493 res = mod->info->unload(); 00494 00495 if (res) { 00496 ast_log(LOG_WARNING, "Firm unload failed for %s\n", resource_name); 00497 if (force <= AST_FORCE_FIRM) 00498 error = 1; 00499 else 00500 ast_log(LOG_WARNING, "** Dangerous **: Unloading resource anyway, at user request\n"); 00501 } 00502 } 00503 00504 if (!error) 00505 mod->flags.running = mod->flags.declined = 0; 00506 00507 AST_LIST_UNLOCK(&module_list); 00508 00509 if (!error && !mod->lib && mod->info && mod->info->restore_globals) 00510 mod->info->restore_globals(); 00511 00512 #ifdef LOADABLE_MODULES 00513 if (!error) 00514 unload_dynamic_module(mod); 00515 #endif 00516 00517 if (!error) 00518 ast_update_use_count(); 00519 00520 return res; 00521 }
int ast_unregister_application | ( | const char * | app | ) |
Unregister an application.
app | name of the application (does not have to be the same string as the one that was registered) |
0 | success | |
-1 | failure |
Definition at line 5555 of file pbx.c.
References ast_free, AST_RWLIST_REMOVE_CURRENT, AST_RWLIST_TRAVERSE_SAFE_BEGIN, AST_RWLIST_TRAVERSE_SAFE_END, AST_RWLIST_UNLOCK, AST_RWLIST_WRLOCK, ast_verb, ast_app::list, ast_app::name, and unreference_cached_app().
Referenced by __unload_module(), load_module(), and unload_module().
05556 { 05557 struct ast_app *tmp; 05558 05559 AST_RWLIST_WRLOCK(&apps); 05560 AST_RWLIST_TRAVERSE_SAFE_BEGIN(&apps, tmp, list) { 05561 if (!strcasecmp(app, tmp->name)) { 05562 unreference_cached_app(tmp); 05563 AST_RWLIST_REMOVE_CURRENT(list); 05564 ast_verb(2, "Unregistered application '%s'\n", tmp->name); 05565 ast_free(tmp); 05566 break; 05567 } 05568 } 05569 AST_RWLIST_TRAVERSE_SAFE_END; 05570 AST_RWLIST_UNLOCK(&apps); 05571 05572 return tmp ? 0 : -1; 05573 }
int ast_update_module_list | ( | int(*)(const char *module, const char *description, int usecnt, const char *like) | modentry, | |
const char * | like | |||
) |
Ask for a list of modules, descriptions, and use counts.
modentry | A callback to an updater function. | |
like | For each of the modules loaded, modentry will be executed with the resource, description, and usecount values of each particular module. |
Definition at line 1007 of file loader.c.
References AST_LIST_TRAVERSE, AST_LIST_TRYLOCK, AST_LIST_UNLOCK, ast_module_info::description, ast_module::info, ast_module::resource, and ast_module::usecount.
Referenced by handle_modlist(), and mod_update().
01009 { 01010 struct ast_module *cur; 01011 int unlock = -1; 01012 int total_mod_loaded = 0; 01013 01014 if (AST_LIST_TRYLOCK(&module_list)) 01015 unlock = 0; 01016 01017 AST_LIST_TRAVERSE(&module_list, cur, entry) { 01018 total_mod_loaded += modentry(cur->resource, cur->info->description, cur->usecount, like); 01019 } 01020 01021 if (unlock) 01022 AST_LIST_UNLOCK(&module_list); 01023 01024 return total_mod_loaded; 01025 }
void ast_update_use_count | ( | void | ) |
Notify when usecount has been changed.
This function calulates use counts and notifies anyone trying to keep track of them. It should be called whenever your module's usecount changes.
Definition at line 995 of file loader.c.
References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, and loadupdate::updater.
Referenced by __ast_module_user_add(), __ast_module_user_hangup_all(), __ast_module_user_remove(), ast_module_ref(), ast_module_unref(), ast_unload_resource(), exit_now(), handle_request_do(), load_module(), load_resource(), oh323_request(), sip_request_call(), and unistim_new().
00996 { 00997 /* Notify any module monitors that the use count for a 00998 resource has changed */ 00999 struct loadupdate *m; 01000 01001 AST_LIST_LOCK(&updaters); 01002 AST_LIST_TRAVERSE(&updaters, m, entry) 01003 m->updater(); 01004 AST_LIST_UNLOCK(&updaters); 01005 }
const struct ast_module_info* ast_module_info [static] |