REVERTING res_pjsip: make it unloadable

Due to the original patch causing memory corruptions the patch is
being removed until the problem can be resolved.
........

Merged revisions 430734 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@430735 65c4cc65-6c06-0410-ace0-fbb531ad65f3

11 files changed, 32 insertions, 151 deletions

diff --git a/main/stasis_message_router.c b/main/stasis_message_router.c
index d58ed089d..a9e458456 100644
--- a/main/stasis_message_router.c
+++ b/main/stasis_message_router.c
@@ -255,7 +255,7 @@ void stasis_message_router_unsubscribe(struct stasis_message_router *router)
 		return;
 	}
 
-	router->subscription = stasis_unsubscribe(router->subscription);
+	stasis_unsubscribe(router->subscription);
 }
 
 void stasis_message_router_unsubscribe_and_join(
diff --git a/res/res_pjsip.c b/res/res_pjsip.c
index badf14928..b57f91ed0 100644
--- a/res/res_pjsip.c
+++ b/res/res_pjsip.c
@@ -40,8 +40,6 @@
 /*** MODULEINFO
 	<depend>pjproject</depend>
 	<depend>res_sorcery_config</depend>
-	<depend>res_sorcery_memory</depend>
-	<depend>res_sorcery_astdb</depend>
 	<support_level>core</support_level>
  ***/
 
@@ -1813,7 +1811,7 @@ static pjsip_endpoint *ast_pjsip_endpoint;
 
 static struct ast_threadpool *sip_threadpool;
 
-static int register_service_noref(void *data)
+static int register_service(void *data)
 {
 	pjsip_module **module = data;
 	if (!ast_pjsip_endpoint) {
@@ -1825,33 +1823,19 @@ static int register_service_noref(void *data)
 		return -1;
 	}
 	ast_debug(1, "Registered SIP service %.*s (%p)\n", (int) pj_strlen(&(*module)->name), pj_strbuf(&(*module)->name), *module);
+	ast_module_ref(ast_module_info->self);
 	return 0;
 }
 
-static int register_service(void *data)
-{
-	int res;
-
-	if (!(res = register_service_noref(data))) {
-		ast_module_ref(ast_module_info->self);
-	}
-
-	return res;
-}
-
-int internal_sip_register_service(pjsip_module *module)
-{
-	return ast_sip_push_task_synchronous(NULL, register_service_noref, &module);
-}
-
 int ast_sip_register_service(pjsip_module *module)
 {
 	return ast_sip_push_task_synchronous(NULL, register_service, &module);
 }
 
-static int unregister_service_noref(void *data)
+static int unregister_service(void *data)
 {
 	pjsip_module **module = data;
+	ast_module_unref(ast_module_info->self);
 	if (!ast_pjsip_endpoint) {
 		return -1;
 	}
@@ -1860,22 +1844,6 @@ static int unregister_service_noref(void *data)
 	return 0;
 }
 
-static int unregister_service(void *data)
-{
-	int res;
-
-	if (!(res = unregister_service_noref(data))) {
-		ast_module_unref(ast_module_info->self);
-	}
-
-	return res;
-}
-
-int internal_sip_unregister_service(pjsip_module *module)
-{
-	return ast_sip_push_task_synchronous(NULL, unregister_service_noref, &module);
-}
-
 void ast_sip_unregister_service(pjsip_module *module)
 {
 	ast_sip_push_task_synchronous(NULL, unregister_service, &module);
@@ -2022,38 +1990,26 @@ struct ast_sip_endpoint *ast_sip_identify_endpoint(pjsip_rx_data *rdata)
 
 AST_RWLIST_HEAD_STATIC(endpoint_formatters, ast_sip_endpoint_formatter);
 
-void internal_sip_register_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
+int ast_sip_register_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
 {
 	SCOPED_LOCK(lock, &endpoint_formatters, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
 	AST_RWLIST_INSERT_TAIL(&endpoint_formatters, obj, next);
-}
-
-int ast_sip_register_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
-{
-	internal_sip_register_endpoint_formatter(obj);
 	ast_module_ref(ast_module_info->self);
 	return 0;
 }
 
-int internal_sip_unregister_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
+void ast_sip_unregister_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
 {
 	struct ast_sip_endpoint_formatter *i;
 	SCOPED_LOCK(lock, &endpoint_formatters, AST_RWLIST_WRLOCK, AST_RWLIST_UNLOCK);
 	AST_RWLIST_TRAVERSE_SAFE_BEGIN(&endpoint_formatters, i, next) {
 		if (i == obj) {
 			AST_RWLIST_REMOVE_CURRENT(next);
+			ast_module_unref(ast_module_info->self);
 			break;
 		}
 	}
 	AST_RWLIST_TRAVERSE_SAFE_END;
-	return i == obj ? 0 : -1;
-}
-
-void ast_sip_unregister_endpoint_formatter(struct ast_sip_endpoint_formatter *obj)
-{
-	if (!internal_sip_unregister_endpoint_formatter(obj)) {
-		ast_module_unref(ast_module_info->self);
-	}
 }
 
 int ast_sip_format_endpoint_ami(struct ast_sip_endpoint *endpoint,
@@ -3262,7 +3218,7 @@ static int load_module(void)
 		return AST_MODULE_LOAD_DECLINE;
 	}
 
-	if (internal_sip_register_service(&supplement_module)) {
+	if (ast_sip_register_service(&supplement_module)) {
 		ast_log(LOG_ERROR, "Failed to initialize supplement hooks. Aborting load\n");
 		ast_sip_destroy_distributor();
 		ast_res_pjsip_destroy_configuration();
@@ -3277,9 +3233,9 @@ static int load_module(void)
 		return AST_MODULE_LOAD_DECLINE;
 	}
 
-	if (internal_sip_initialize_outbound_authentication()) {
+	if (ast_sip_initialize_outbound_authentication()) {
 		ast_log(LOG_ERROR, "Failed to initialize outbound authentication. Aborting load\n");
-		internal_sip_unregister_service(&supplement_module);
+		ast_sip_unregister_service(&supplement_module);
 		ast_sip_destroy_distributor();
 		ast_res_pjsip_destroy_configuration();
 		ast_sip_destroy_global_headers();
@@ -3295,6 +3251,8 @@ static int load_module(void)
 
 	ast_res_pjsip_init_options_handling(0);
 
+	ast_module_ref(ast_module_info->self);
+
 	return AST_MODULE_LOAD_SUCCESS;
 }
 
@@ -3308,41 +3266,9 @@ static int reload_module(void)
 	return 0;
 }
 
-static int unload_pjsip(void *data)
-{
-	if (memory_pool) {
-		pj_pool_release(memory_pool);
-		memory_pool = NULL;
-	}
-	if (ast_pjsip_endpoint) {
-		pjsip_endpt_destroy(ast_pjsip_endpoint);
-		ast_pjsip_endpoint = NULL;
-	}
-	pj_caching_pool_destroy(&caching_pool);
-	pj_shutdown();
-	return 0;
-}
-
 static int unload_module(void)
 {
-	ast_res_pjsip_cleanup_options_handling();
-	internal_sip_destroy_outbound_authentication();
-	ast_sip_destroy_distributor();
-	ast_res_pjsip_destroy_configuration();
-	ast_sip_destroy_system();
-	ast_sip_destroy_global_headers();
-	internal_sip_unregister_service(&supplement_module);
-	if (monitor_thread) {
-		stop_monitor_thread();
-	}
-	/* The thread this is called from cannot call PJSIP/PJLIB functions,
-	 * so we have to push the work to the threadpool to handle
-	 */
-	ast_sip_push_task_synchronous(NULL, unload_pjsip, NULL);
-
-	ast_threadpool_shutdown(sip_threadpool);
-
-	ast_sip_destroy_cli();
+	/* This will never get called as this module can't be unloaded */
 	return 0;
 }
 
diff --git a/res/res_pjsip/config_auth.c b/res/res_pjsip/config_auth.c
index 773889c7a..fcab6a84b 100644
--- a/res/res_pjsip/config_auth.c
+++ b/res/res_pjsip/config_auth.c
@@ -312,7 +312,7 @@ int ast_sip_initialize_sorcery_auth(void)
 	ast_sorcery_object_field_register_custom(sorcery, SIP_SORCERY_AUTH_TYPE, "auth_type",
 			"userpass", auth_type_handler, auth_type_to_str, NULL, 0, 0);
 
-	internal_sip_register_endpoint_formatter(&endpoint_auth_formatter);
+	ast_sip_register_endpoint_formatter(&endpoint_auth_formatter);
 
 	cli_formatter = ao2_alloc(sizeof(struct ast_sip_cli_formatter_entry), NULL);
 	if (!cli_formatter) {
@@ -337,7 +337,6 @@ int ast_sip_destroy_sorcery_auth(void)
 {
 	ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
 	ast_sip_unregister_cli_formatter(cli_formatter);
-	internal_sip_unregister_endpoint_formatter(&endpoint_auth_formatter);
 
 	return 0;
 }
diff --git a/res/res_pjsip/config_transport.c b/res/res_pjsip/config_transport.c
index 9c7298b98..ce170da36 100644
--- a/res/res_pjsip/config_transport.c
+++ b/res/res_pjsip/config_transport.c
@@ -769,7 +769,7 @@ int ast_sip_initialize_sorcery_transport(void)
 	ast_sorcery_object_field_register(sorcery, "transport", "cos", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_transport, cos));
 	ast_sorcery_object_field_register(sorcery, "transport", "websocket_write_timeout", AST_DEFAULT_WEBSOCKET_WRITE_TIMEOUT_STR, OPT_INT_T, PARSE_IN_RANGE, FLDSET(struct ast_sip_transport, write_timeout), 1, INT_MAX);
 
-	internal_sip_register_endpoint_formatter(&endpoint_transport_formatter);
+	ast_sip_register_endpoint_formatter(&endpoint_transport_formatter);
 
 	cli_formatter = ao2_alloc(sizeof(struct ast_sip_cli_formatter_entry), NULL);
 	if (!cli_formatter) {
@@ -795,7 +795,5 @@ int ast_sip_destroy_sorcery_transport(void)
 	ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
 	ast_sip_unregister_cli_formatter(cli_formatter);
 
-	internal_sip_unregister_endpoint_formatter(&endpoint_transport_formatter);
-
 	return 0;
 }
diff --git a/res/res_pjsip/include/res_pjsip_private.h b/res/res_pjsip/include/res_pjsip_private.h
index b3d66dbb5..fa37c8c4b 100644
--- a/res/res_pjsip/include/res_pjsip_private.h
+++ b/res/res_pjsip/include/res_pjsip_private.h
@@ -57,15 +57,7 @@ int ast_res_pjsip_init_contact_transports(void);
  * \retval 0 Success
  * \retval non-zero Failure
  */
-int internal_sip_initialize_outbound_authentication(void);
-
-/*!
- * \brief Destroy outbound authentication support
- *
- * \retval 0 Success
- * \retval non-zero Failure
- */
-void internal_sip_destroy_outbound_authentication(void);
+int ast_sip_initialize_outbound_authentication(void);
 
 /*!
  * \brief Initialize system configuration
@@ -120,24 +112,4 @@ char *ast_sip_global_default_outbound_endpoint(void);
 int ast_sip_initialize_cli(void);
 void ast_sip_destroy_cli(void);
 
-/*!
- * \internal \brief Used by res_pjsip.so to register a service without adding a self reference
- */
-int internal_sip_register_service(pjsip_module *module);
-
-/*!
- * \internal \brief Used by res_pjsip.so to unregister a service without removing a self reference
- */
-int internal_sip_unregister_service(pjsip_module *module);
-
-/*!
- * \internal \brief Used by res_pjsip.so to register an endpoint formatter without adding a self reference
- */
-void internal_sip_register_endpoint_formatter(struct ast_sip_endpoint_formatter *obj);
-
-/*!
- * \internal \brief Used by res_pjsip.so to unregister a endpoint formatter without removing a self reference
- */
-int internal_sip_unregister_endpoint_formatter(struct ast_sip_endpoint_formatter *obj);
-
 #endif /* RES_PJSIP_PRIVATE_H_ */
diff --git a/res/res_pjsip/location.c b/res/res_pjsip/location.c
index 73ffdca0e..f36235161 100644
--- a/res/res_pjsip/location.c
+++ b/res/res_pjsip/location.c
@@ -870,7 +870,7 @@ int ast_sip_initialize_sorcery_location(void)
 	ast_sorcery_object_field_register(sorcery, "aor", "outbound_proxy", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_aor, outbound_proxy));
 	ast_sorcery_object_field_register(sorcery, "aor", "support_path", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_aor, support_path));
 
-	internal_sip_register_endpoint_formatter(&endpoint_aor_formatter);
+	ast_sip_register_endpoint_formatter(&endpoint_aor_formatter);
 
 	contact_formatter = ao2_alloc(sizeof(struct ast_sip_cli_formatter_entry), NULL);
 	if (!contact_formatter) {
@@ -911,8 +911,6 @@ int ast_sip_destroy_sorcery_location(void)
 	ast_sip_unregister_cli_formatter(contact_formatter);
 	ast_sip_unregister_cli_formatter(aor_formatter);
 
-	internal_sip_unregister_endpoint_formatter(&endpoint_aor_formatter);
-
 	return 0;
 }
 
diff --git a/res/res_pjsip/pjsip_configuration.c b/res/res_pjsip/pjsip_configuration.c
index d818361a4..7dad58c15 100644
--- a/res/res_pjsip/pjsip_configuration.c
+++ b/res/res_pjsip/pjsip_configuration.c
@@ -1670,9 +1670,7 @@ int ast_res_pjsip_initialize_configuration(const struct ast_module_info *ast_mod
 		return -1;
 	}
 
-	if (ast_sorcery_internal_object_register(sip_sorcery, "nat_hook", sip_nat_hook_alloc, NULL, NULL)) {
-		ast_log(LOG_ERROR, "Failed to register nat_hook\n");
-	}
+	ast_sorcery_internal_object_register(sip_sorcery, "nat_hook", sip_nat_hook_alloc, NULL, NULL);
 
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "type", "", OPT_NOOP_T, 0, 0);
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "context", "default", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, context));
@@ -1851,7 +1849,6 @@ void ast_res_pjsip_destroy_configuration(void)
 	ast_sip_unregister_cli_formatter(endpoint_formatter);
 	ast_sip_unregister_cli_formatter(channel_formatter);
 	ast_sorcery_unref(sip_sorcery);
-	ao2_cleanup(persistent_endpoints);
 }
 
 int ast_res_pjsip_reload_configuration(void)
diff --git a/res/res_pjsip/pjsip_distributor.c b/res/res_pjsip/pjsip_distributor.c
index e32f02833..90744fdf0 100644
--- a/res/res_pjsip/pjsip_distributor.c
+++ b/res/res_pjsip/pjsip_distributor.c
@@ -21,7 +21,6 @@
 #include <pjsip.h>
 
 #include "asterisk/res_pjsip.h"
-#include "include/res_pjsip_private.h"
 
 static int distribute(void *data);
 static pj_bool_t distributor(pjsip_rx_data *rdata);
@@ -223,7 +222,7 @@ struct ast_sip_auth *ast_sip_get_artificial_auth(void)
 	return artificial_auth;
 }
 
-static struct ast_sip_endpoint *artificial_endpoint = NULL;
+static struct ast_sip_endpoint *artificial_endpoint;
 
 static int create_artificial_endpoint(void)
 {
@@ -237,7 +236,7 @@ static int create_artificial_endpoint(void)
 	 * the proper size of the vector is returned. This value is
 	 * not actually used anywhere
 	 */
-	AST_VECTOR_APPEND(&artificial_endpoint->inbound_auths, ast_strdup("artificial-auth"));
+	AST_VECTOR_APPEND(&artificial_endpoint->inbound_auths, "artificial-auth");
 	return 0;
 }
 
@@ -374,13 +373,13 @@ int ast_sip_initialize_distributor(void)
 		return -1;
 	}
 
-	if (internal_sip_register_service(&distributor_mod)) {
+	if (ast_sip_register_service(&distributor_mod)) {
 		return -1;
 	}
-	if (internal_sip_register_service(&endpoint_mod)) {
+	if (ast_sip_register_service(&endpoint_mod)) {
 		return -1;
 	}
-	if (internal_sip_register_service(&auth_mod)) {
+	if (ast_sip_register_service(&auth_mod)) {
 		return -1;
 	}
 
@@ -389,9 +388,9 @@ int ast_sip_initialize_distributor(void)
 
 void ast_sip_destroy_distributor(void)
 {
-	internal_sip_unregister_service(&distributor_mod);
-	internal_sip_unregister_service(&endpoint_mod);
-	internal_sip_unregister_service(&auth_mod);
+	ast_sip_unregister_service(&distributor_mod);
+	ast_sip_unregister_service(&endpoint_mod);
+	ast_sip_unregister_service(&auth_mod);
 
 	ao2_cleanup(artificial_auth);
 	ao2_cleanup(artificial_endpoint);
diff --git a/res/res_pjsip/pjsip_global_headers.c b/res/res_pjsip/pjsip_global_headers.c
index fc7226761..eff870314 100644
--- a/res/res_pjsip/pjsip_global_headers.c
+++ b/res/res_pjsip/pjsip_global_headers.c
@@ -23,7 +23,6 @@
 
 #include "asterisk/res_pjsip.h"
 #include "asterisk/linkedlists.h"
-#include "include/res_pjsip_private.h"
 
 static pj_status_t add_request_headers(pjsip_tx_data *tdata);
 static pj_status_t add_response_headers(pjsip_tx_data *tdata);
@@ -152,7 +151,7 @@ void ast_sip_initialize_global_headers(void)
 	AST_RWLIST_HEAD_INIT(&request_headers);
 	AST_RWLIST_HEAD_INIT(&response_headers);
 
-	internal_sip_register_service(&global_header_mod);
+	ast_sip_register_service(&global_header_mod);
 }
 
 static void destroy_headers(struct header_list *headers)
@@ -169,6 +168,4 @@ void ast_sip_destroy_global_headers(void)
 {
 	destroy_headers(&request_headers);
 	destroy_headers(&response_headers);
-
-	internal_sip_unregister_service(&global_header_mod);
 }
diff --git a/res/res_pjsip/pjsip_options.c b/res/res_pjsip/pjsip_options.c
index cf55f4dd6..927555230 100644
--- a/res/res_pjsip/pjsip_options.c
+++ b/res/res_pjsip/pjsip_options.c
@@ -1123,7 +1123,7 @@ int ast_res_pjsip_init_options_handling(int reload)
 		return -1;
 	}
 
-	internal_sip_register_endpoint_formatter(&contact_status_formatter);
+	ast_sip_register_endpoint_formatter(&contact_status_formatter);
 	ast_manager_register2("PJSIPQualify", EVENT_FLAG_SYSTEM | EVENT_FLAG_REPORTING, ami_sip_qualify, NULL, NULL, NULL);
 	ast_cli_register_multiple(cli_options, ARRAY_LEN(cli_options));
 
@@ -1136,7 +1136,7 @@ void ast_res_pjsip_cleanup_options_handling(void)
 {
 	ast_cli_unregister_multiple(cli_options, ARRAY_LEN(cli_options));
 	ast_manager_unregister("PJSIPQualify");
-	internal_sip_unregister_endpoint_formatter(&contact_status_formatter);
+	ast_sip_unregister_endpoint_formatter(&contact_status_formatter);
 
 	pjsip_endpt_unregister_module(ast_sip_get_pjsip_endpoint(), &options_module);
 	ao2_cleanup(sched_qualifies);
diff --git a/res/res_pjsip/pjsip_outbound_auth.c b/res/res_pjsip/pjsip_outbound_auth.c
index 1f754227a..28ca3ec8a 100644
--- a/res/res_pjsip/pjsip_outbound_auth.c
+++ b/res/res_pjsip/pjsip_outbound_auth.c
@@ -91,11 +91,6 @@ int ast_sip_dialog_setup_outbound_authentication(pjsip_dialog *dlg, const struct
 	return 0;
 }
 
-int internal_sip_initialize_outbound_authentication(void) {
-	return internal_sip_register_service(&outbound_auth_mod);
-}
-
-
-void internal_sip_destroy_outbound_authentication(void) {
-	internal_sip_unregister_service(&outbound_auth_mod);
+int ast_sip_initialize_outbound_authentication(void) {
+	return ast_sip_register_service(&outbound_auth_mod);
 }