diff options
Diffstat (limited to '1.4.23-rc4/res/res_odbc.c')
| -rw-r--r-- | 1.4.23-rc4/res/res_odbc.c | 741 |
1 files changed, 0 insertions, 741 deletions
diff --git a/1.4.23-rc4/res/res_odbc.c b/1.4.23-rc4/res/res_odbc.c deleted file mode 100644 index b0fed02c9..000000000 --- a/1.4.23-rc4/res/res_odbc.c +++ /dev/null @@ -1,741 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, Digium, Inc. - * - * Mark Spencer <markster@digium.com> - * - * res_odbc.c <ODBC resource manager> - * Copyright (C) 2004 - 2005 Anthony Minessale II <anthmct@yahoo.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief ODBC resource manager - * - * \author Mark Spencer <markster@digium.com> - * \author Anthony Minessale II <anthmct@yahoo.com> - * - * \arg See also: \ref cdr_odbc - */ - -/*** MODULEINFO - <depend>unixodbc</depend> - <depend>ltdl</depend> - ***/ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> - -#include "asterisk/file.h" -#include "asterisk/logger.h" -#include "asterisk/channel.h" -#include "asterisk/config.h" -#include "asterisk/options.h" -#include "asterisk/pbx.h" -#include "asterisk/module.h" -#include "asterisk/cli.h" -#include "asterisk/lock.h" -#include "asterisk/res_odbc.h" -#include "asterisk/time.h" - -struct odbc_class -{ - AST_LIST_ENTRY(odbc_class) list; - char name[80]; - char dsn[80]; - char username[80]; - char password[80]; - SQLHENV env; - unsigned int haspool:1; /* Boolean - TDS databases need this */ - unsigned int limit:10; /* Gives a limit of 1023 maximum */ - unsigned int count:10; /* Running count of pooled connections */ - unsigned int delme:1; /* Purge the class */ - unsigned int backslash_is_escape:1; /* On this database, the backslash is a native escape sequence */ - unsigned int idlecheck; /* Recheck the connection if it is idle for this long */ - AST_LIST_HEAD(, odbc_obj) odbc_obj; -}; - -AST_LIST_HEAD_STATIC(odbc_list, odbc_class); - -static odbc_status odbc_obj_connect(struct odbc_obj *obj); -static odbc_status odbc_obj_disconnect(struct odbc_obj *obj); -static int odbc_register_class(struct odbc_class *class, int connect); - - -SQLHSTMT ast_odbc_prepare_and_execute(struct odbc_obj *obj, SQLHSTMT (*prepare_cb)(struct odbc_obj *obj, void *data), void *data) -{ - int res = 0, i, attempt; - SQLINTEGER nativeerror=0, numfields=0; - SQLSMALLINT diagbytes=0; - unsigned char state[10], diagnostic[256]; - SQLHSTMT stmt; - - for (attempt = 0; attempt < 2; attempt++) { - /* This prepare callback may do more than just prepare -- it may also - * bind parameters, bind results, etc. The real key, here, is that - * when we disconnect, all handles become invalid for most databases. - * We must therefore redo everything when we establish a new - * connection. */ - stmt = prepare_cb(obj, data); - - if (stmt) { - res = SQLExecute(stmt); - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) { - if (res == SQL_ERROR) { - SQLGetDiagField(SQL_HANDLE_STMT, stmt, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes); - for (i = 0; i < numfields; i++) { - SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i + 1, state, &nativeerror, diagnostic, sizeof(diagnostic), &diagbytes); - ast_log(LOG_WARNING, "SQL Execute returned an error %d: %s: %s (%d)\n", res, state, diagnostic, diagbytes); - if (i > 10) { - ast_log(LOG_WARNING, "Oh, that was good. There are really %d diagnostics?\n", (int)numfields); - break; - } - } - } - - ast_log(LOG_WARNING, "SQL Execute error %d! Attempting a reconnect...\n", res); - SQLFreeHandle(SQL_HANDLE_STMT, stmt); - stmt = NULL; - - obj->up = 0; - /* - * While this isn't the best way to try to correct an error, this won't automatically - * fail when the statement handle invalidates. - */ - /* XXX Actually, it might, if we're using a non-pooled connection. Possible race here. XXX */ - odbc_obj_disconnect(obj); - odbc_obj_connect(obj); - continue; - } else - obj->last_used = ast_tvnow(); - break; - } else { - ast_log(LOG_WARNING, "SQL Prepare failed. Attempting a reconnect...\n"); - odbc_obj_disconnect(obj); - odbc_obj_connect(obj); - } - } - - return stmt; -} - -int ast_odbc_smart_execute(struct odbc_obj *obj, SQLHSTMT stmt) -{ - int res = 0, i; - SQLINTEGER nativeerror=0, numfields=0; - SQLSMALLINT diagbytes=0; - unsigned char state[10], diagnostic[256]; - - res = SQLExecute(stmt); - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) { - if (res == SQL_ERROR) { - SQLGetDiagField(SQL_HANDLE_STMT, stmt, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes); - for (i = 0; i < numfields; i++) { - SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i + 1, state, &nativeerror, diagnostic, sizeof(diagnostic), &diagbytes); - ast_log(LOG_WARNING, "SQL Execute returned an error %d: %s: %s (%d)\n", res, state, diagnostic, diagbytes); - if (i > 10) { - ast_log(LOG_WARNING, "Oh, that was good. There are really %d diagnostics?\n", (int)numfields); - break; - } - } - } -#if 0 - /* This is a really bad method of trying to correct a dead connection. It - * only ever really worked with MySQL. It will not work with any other - * database, since most databases prepare their statements on the server, - * and if you disconnect, you invalidate the statement handle. Hence, if - * you disconnect, you're going to fail anyway, whether you try to execute - * a second time or not. - */ - ast_log(LOG_WARNING, "SQL Execute error %d! Attempting a reconnect...\n", res); - ast_mutex_lock(&obj->lock); - obj->up = 0; - ast_mutex_unlock(&obj->lock); - odbc_obj_disconnect(obj); - odbc_obj_connect(obj); - res = SQLExecute(stmt); -#endif - } else - obj->last_used = ast_tvnow(); - - return res; -} - - -int ast_odbc_sanity_check(struct odbc_obj *obj) -{ - char *test_sql = "select 1"; - SQLHSTMT stmt; - int res = 0; - - if (obj->up) { - res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt); - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - obj->up = 0; - } else { - res = SQLPrepare(stmt, (unsigned char *)test_sql, SQL_NTS); - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - obj->up = 0; - } else { - res = SQLExecute(stmt); - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - obj->up = 0; - } - } - } - SQLFreeHandle (SQL_HANDLE_STMT, stmt); - } - - if (!obj->up) { /* Try to reconnect! */ - ast_log(LOG_WARNING, "Connection is down attempting to reconnect...\n"); - odbc_obj_disconnect(obj); - odbc_obj_connect(obj); - } - return obj->up; -} - -static int load_odbc_config(void) -{ - static char *cfg = "res_odbc.conf"; - struct ast_config *config; - struct ast_variable *v; - char *cat, *dsn, *username, *password; - int enabled, pooling, limit, bse; - unsigned int idlecheck; - int connect = 0, res = 0; - - struct odbc_class *new; - - config = ast_config_load(cfg); - if (!config) { - ast_log(LOG_WARNING, "Unable to load config file res_odbc.conf\n"); - return -1; - } - for (cat = ast_category_browse(config, NULL); cat; cat=ast_category_browse(config, cat)) { - if (!strcasecmp(cat, "ENV")) { - for (v = ast_variable_browse(config, cat); v; v = v->next) { - setenv(v->name, v->value, 1); - ast_log(LOG_NOTICE, "Adding ENV var: %s=%s\n", v->name, v->value); - } - } else { - /* Reset all to defaults for each class of odbc connections */ - dsn = username = password = NULL; - enabled = 1; - connect = idlecheck = 0; - pooling = 0; - limit = 0; - bse = 1; - for (v = ast_variable_browse(config, cat); v; v = v->next) { - if (!strcasecmp(v->name, "pooling")) { - if (ast_true(v->value)) - pooling = 1; - } else if (!strcasecmp(v->name, "limit")) { - sscanf(v->value, "%d", &limit); - if (ast_true(v->value) && !limit) { - ast_log(LOG_WARNING, "Limit should be a number, not a boolean: '%s'. Setting limit to 1023 for ODBC class '%s'.\n", v->value, cat); - limit = 1023; - } else if (ast_false(v->value)) { - ast_log(LOG_WARNING, "Limit should be a number, not a boolean: '%s'. Disabling ODBC class '%s'.\n", v->value, cat); - enabled = 0; - break; - } - } else if (!strcasecmp(v->name, "idlecheck")) { - sscanf(v->value, "%d", &idlecheck); - } else if (!strcasecmp(v->name, "enabled")) { - enabled = ast_true(v->value); - } else if (!strcasecmp(v->name, "pre-connect")) { - connect = ast_true(v->value); - } else if (!strcasecmp(v->name, "dsn")) { - dsn = v->value; - } else if (!strcasecmp(v->name, "username")) { - username = v->value; - } else if (!strcasecmp(v->name, "password")) { - password = v->value; - } else if (!strcasecmp(v->name, "backslash_is_escape")) { - bse = ast_true(v->value); - } - } - - if (enabled && !ast_strlen_zero(dsn)) { - new = ast_calloc(1, sizeof(*new)); - - if (!new) { - res = -1; - break; - } - - if (cat) - ast_copy_string(new->name, cat, sizeof(new->name)); - if (dsn) - ast_copy_string(new->dsn, dsn, sizeof(new->dsn)); - if (username) - ast_copy_string(new->username, username, sizeof(new->username)); - if (password) - ast_copy_string(new->password, password, sizeof(new->password)); - - SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &new->env); - res = SQLSetEnvAttr(new->env, SQL_ATTR_ODBC_VERSION, (void *) SQL_OV_ODBC3, 0); - - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - ast_log(LOG_WARNING, "res_odbc: Error SetEnv\n"); - SQLFreeHandle(SQL_HANDLE_ENV, new->env); - return res; - } - - if (pooling) { - new->haspool = pooling; - if (limit) { - new->limit = limit; - } else { - ast_log(LOG_WARNING, "Pooling without also setting a limit is pointless. Changing limit from 0 to 5.\n"); - new->limit = 5; - } - } - - new->backslash_is_escape = bse ? 1 : 0; - new->idlecheck = idlecheck; - - odbc_register_class(new, connect); - ast_log(LOG_NOTICE, "Registered ODBC class '%s' dsn->[%s]\n", cat, dsn); - } - } - } - ast_config_destroy(config); - return res; -} - -static int odbc_show_command(int fd, int argc, char **argv) -{ - struct odbc_class *class; - struct odbc_obj *current; - - AST_LIST_LOCK(&odbc_list); - AST_LIST_TRAVERSE(&odbc_list, class, list) { - if ((argc == 2) || (argc == 3 && !strcmp(argv[2], "all")) || (!strcmp(argv[2], class->name))) { - int count = 0; - ast_cli(fd, "Name: %s\nDSN: %s\n", class->name, class->dsn); - - if (class->haspool) { - ast_cli(fd, "Pooled: yes\nLimit: %d\nConnections in use: %d\n", class->limit, class->count); - - AST_LIST_TRAVERSE(&(class->odbc_obj), current, list) { - ast_cli(fd, " Connection %d: %s\n", ++count, current->used ? "in use" : current->up && ast_odbc_sanity_check(current) ? "connected" : "disconnected"); - } - } else { - /* Should only ever be one of these */ - AST_LIST_TRAVERSE(&(class->odbc_obj), current, list) { - ast_cli(fd, "Pooled: no\nConnected: %s\n", current->up && ast_odbc_sanity_check(current) ? "yes" : "no"); - } - } - - ast_cli(fd, "\n"); - } - } - AST_LIST_UNLOCK(&odbc_list); - - return 0; -} - -static char show_usage[] = -"Usage: odbc show [<class>]\n" -" List settings of a particular ODBC class.\n" -" or, if not specified, all classes.\n"; - -static struct ast_cli_entry cli_odbc[] = { - { { "odbc", "show", NULL }, - odbc_show_command, "List ODBC DSN(s)", - show_usage }, -}; - -static int odbc_register_class(struct odbc_class *class, int connect) -{ - struct odbc_obj *obj; - if (class) { - AST_LIST_LOCK(&odbc_list); - AST_LIST_INSERT_HEAD(&odbc_list, class, list); - AST_LIST_UNLOCK(&odbc_list); - - if (connect) { - /* Request and release builds a connection */ - obj = ast_odbc_request_obj(class->name, 0); - if (obj) - ast_odbc_release_obj(obj); - } - - return 0; - } else { - ast_log(LOG_WARNING, "Attempted to register a NULL class?\n"); - return -1; - } -} - -void ast_odbc_release_obj(struct odbc_obj *obj) -{ - /* For pooled connections, this frees the connection to be - * reused. For non-pooled connections, it does nothing. */ - obj->used = 0; -} - -int ast_odbc_backslash_is_escape(struct odbc_obj *obj) -{ - return obj->parent->backslash_is_escape; -} - -struct odbc_obj *ast_odbc_request_obj(const char *name, int check) -{ - struct odbc_obj *obj = NULL; - struct odbc_class *class; - - AST_LIST_LOCK(&odbc_list); - AST_LIST_TRAVERSE(&odbc_list, class, list) { - if (!strcmp(class->name, name)) - break; - } - AST_LIST_UNLOCK(&odbc_list); - - if (!class) - return NULL; - - AST_LIST_LOCK(&class->odbc_obj); - if (class->haspool) { - /* Recycle connections before building another */ - AST_LIST_TRAVERSE(&class->odbc_obj, obj, list) { - if (! obj->used) { - obj->used = 1; - break; - } - } - - if (!obj && (class->count < class->limit)) { - class->count++; - obj = ast_calloc(1, sizeof(*obj)); - if (!obj) { - AST_LIST_UNLOCK(&class->odbc_obj); - return NULL; - } - ast_mutex_init(&obj->lock); - obj->parent = class; - if (odbc_obj_connect(obj) == ODBC_FAIL) { - ast_log(LOG_WARNING, "Failed to connect to %s\n", name); - ast_mutex_destroy(&obj->lock); - free(obj); - obj = NULL; - class->count--; - } else { - obj->used = 1; - AST_LIST_INSERT_TAIL(&class->odbc_obj, obj, list); - } - } - } else { - /* Non-pooled connection: multiple modules can use the same connection. */ - AST_LIST_TRAVERSE(&class->odbc_obj, obj, list) { - /* Non-pooled connection: if there is an entry, return it */ - break; - } - - if (!obj) { - /* No entry: build one */ - obj = ast_calloc(1, sizeof(*obj)); - if (!obj) { - AST_LIST_UNLOCK(&class->odbc_obj); - return NULL; - } - ast_mutex_init(&obj->lock); - obj->parent = class; - if (odbc_obj_connect(obj) == ODBC_FAIL) { - ast_log(LOG_WARNING, "Failed to connect to %s\n", name); - ast_mutex_destroy(&obj->lock); - free(obj); - obj = NULL; - } else { - AST_LIST_INSERT_HEAD(&class->odbc_obj, obj, list); - } - } - } - AST_LIST_UNLOCK(&class->odbc_obj); - - if (obj && check) { - ast_odbc_sanity_check(obj); - } else if (obj && obj->parent->idlecheck > 0 && ast_tvdiff_ms(ast_tvnow(), obj->last_used) / 1000 > obj->parent->idlecheck) - odbc_obj_connect(obj); - - return obj; -} - -static odbc_status odbc_obj_disconnect(struct odbc_obj *obj) -{ - int res; - SQLINTEGER err; - short int mlen; - unsigned char msg[200], stat[10]; - - /* Nothing to disconnect */ - if (!obj->con) { - return ODBC_SUCCESS; - } - - ast_mutex_lock(&obj->lock); - - res = SQLDisconnect(obj->con); - - if (res == SQL_SUCCESS || res == SQL_SUCCESS_WITH_INFO) { - ast_log(LOG_DEBUG, "Disconnected %d from %s [%s]\n", res, obj->parent->name, obj->parent->dsn); - } else { - ast_log(LOG_DEBUG, "res_odbc: %s [%s] already disconnected\n", obj->parent->name, obj->parent->dsn); - } - - if ((res = SQLFreeHandle(SQL_HANDLE_DBC, obj->con) == SQL_SUCCESS)) { - obj->con = NULL; - ast_log(LOG_DEBUG, "Database handle deallocated\n"); - } else { - SQLGetDiagRec(SQL_HANDLE_DBC, obj->con, 1, stat, &err, msg, 100, &mlen); - ast_log(LOG_WARNING, "Unable to deallocate database handle? %d errno=%d %s\n", res, (int)err, msg); - } - - obj->up = 0; - ast_mutex_unlock(&obj->lock); - return ODBC_SUCCESS; -} - -static odbc_status odbc_obj_connect(struct odbc_obj *obj) -{ - int res; - SQLINTEGER err; - short int mlen; - unsigned char msg[200], stat[10]; -#ifdef NEEDTRACE - SQLINTEGER enable = 1; - char *tracefile = "/tmp/odbc.trace"; -#endif - ast_mutex_lock(&obj->lock); - - if (obj->up) { - odbc_obj_disconnect(obj); - ast_log(LOG_NOTICE, "Re-connecting %s\n", obj->parent->name); - } else { - ast_log(LOG_NOTICE, "Connecting %s\n", obj->parent->name); - } - - res = SQLAllocHandle(SQL_HANDLE_DBC, obj->parent->env, &obj->con); - - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - ast_log(LOG_WARNING, "res_odbc: Error AllocHDB %d\n", res); - ast_mutex_unlock(&obj->lock); - return ODBC_FAIL; - } - SQLSetConnectAttr(obj->con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *) 10, 0); - SQLSetConnectAttr(obj->con, SQL_ATTR_CONNECTION_TIMEOUT, (SQLPOINTER *) 10, 0); -#ifdef NEEDTRACE - SQLSetConnectAttr(obj->con, SQL_ATTR_TRACE, &enable, SQL_IS_INTEGER); - SQLSetConnectAttr(obj->con, SQL_ATTR_TRACEFILE, tracefile, strlen(tracefile)); -#endif - - res = SQLConnect(obj->con, - (SQLCHAR *) obj->parent->dsn, SQL_NTS, - (SQLCHAR *) obj->parent->username, SQL_NTS, - (SQLCHAR *) obj->parent->password, SQL_NTS); - - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - SQLGetDiagRec(SQL_HANDLE_DBC, obj->con, 1, stat, &err, msg, 100, &mlen); - ast_mutex_unlock(&obj->lock); - ast_log(LOG_WARNING, "res_odbc: Error SQLConnect=%d errno=%d %s\n", res, (int)err, msg); - return ODBC_FAIL; - } else { - ast_log(LOG_NOTICE, "res_odbc: Connected to %s [%s]\n", obj->parent->name, obj->parent->dsn); - obj->up = 1; - obj->last_used = ast_tvnow(); - } - - ast_mutex_unlock(&obj->lock); - return ODBC_SUCCESS; -} - -static int reload(void) -{ - static char *cfg = "res_odbc.conf"; - struct ast_config *config; - struct ast_variable *v; - char *cat, *dsn, *username, *password; - int enabled, pooling, limit, bse; - unsigned int idlecheck; - int connect = 0, res = 0; - - struct odbc_class *new, *class; - struct odbc_obj *current; - - /* First, mark all to be purged */ - AST_LIST_LOCK(&odbc_list); - AST_LIST_TRAVERSE(&odbc_list, class, list) { - class->delme = 1; - } - - config = ast_config_load(cfg); - if (config) { - for (cat = ast_category_browse(config, NULL); cat; cat=ast_category_browse(config, cat)) { - if (!strcasecmp(cat, "ENV")) { - for (v = ast_variable_browse(config, cat); v; v = v->next) { - setenv(v->name, v->value, 1); - ast_log(LOG_NOTICE, "Adding ENV var: %s=%s\n", v->name, v->value); - } - } else { - /* Reset all to defaults for each class of odbc connections */ - dsn = username = password = NULL; - enabled = 1; - connect = idlecheck = 0; - pooling = 0; - limit = 0; - bse = 1; - for (v = ast_variable_browse(config, cat); v; v = v->next) { - if (!strcasecmp(v->name, "pooling")) { - pooling = 1; - } else if (!strcasecmp(v->name, "limit")) { - sscanf(v->value, "%d", &limit); - if (ast_true(v->value) && !limit) { - ast_log(LOG_WARNING, "Limit should be a number, not a boolean: '%s'. Setting limit to 1023 for ODBC class '%s'.\n", v->value, cat); - limit = 1023; - } else if (ast_false(v->value)) { - ast_log(LOG_WARNING, "Limit should be a number, not a boolean: '%s'. Disabling ODBC class '%s'.\n", v->value, cat); - enabled = 0; - break; - } - } else if (!strcasecmp(v->name, "idlecheck")) { - sscanf(v->value, "%ud", &idlecheck); - } else if (!strcasecmp(v->name, "enabled")) { - enabled = ast_true(v->value); - } else if (!strcasecmp(v->name, "pre-connect")) { - connect = ast_true(v->value); - } else if (!strcasecmp(v->name, "dsn")) { - dsn = v->value; - } else if (!strcasecmp(v->name, "username")) { - username = v->value; - } else if (!strcasecmp(v->name, "password")) { - password = v->value; - } else if (!strcasecmp(v->name, "backslash_is_escape")) { - bse = ast_true(v->value); - } - } - - if (enabled && !ast_strlen_zero(dsn)) { - /* First, check the list to see if it already exists */ - AST_LIST_TRAVERSE(&odbc_list, class, list) { - if (!strcmp(class->name, cat)) { - class->delme = 0; - break; - } - } - - if (class) { - new = class; - } else { - new = ast_calloc(1, sizeof(*new)); - } - - if (!new) { - res = -1; - break; - } - - if (cat) - ast_copy_string(new->name, cat, sizeof(new->name)); - if (dsn) - ast_copy_string(new->dsn, dsn, sizeof(new->dsn)); - if (username) - ast_copy_string(new->username, username, sizeof(new->username)); - if (password) - ast_copy_string(new->password, password, sizeof(new->password)); - - if (!class) { - SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &new->env); - res = SQLSetEnvAttr(new->env, SQL_ATTR_ODBC_VERSION, (void *) SQL_OV_ODBC3, 0); - - if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { - ast_log(LOG_WARNING, "res_odbc: Error SetEnv\n"); - SQLFreeHandle(SQL_HANDLE_ENV, new->env); - AST_LIST_UNLOCK(&odbc_list); - return res; - } - } - - if (pooling) { - new->haspool = pooling; - if (limit) { - new->limit = limit; - } else { - ast_log(LOG_WARNING, "Pooling without also setting a limit is pointless. Changing limit from 0 to 5.\n"); - new->limit = 5; - } - } - - new->backslash_is_escape = bse; - new->idlecheck = idlecheck; - - if (class) { - ast_log(LOG_NOTICE, "Refreshing ODBC class '%s' dsn->[%s]\n", cat, dsn); - } else { - odbc_register_class(new, connect); - ast_log(LOG_NOTICE, "Registered ODBC class '%s' dsn->[%s]\n", cat, dsn); - } - } - } - } - ast_config_destroy(config); - } - - /* Purge classes that we know can go away (pooled with 0, only) */ - AST_LIST_TRAVERSE_SAFE_BEGIN(&odbc_list, class, list) { - if (class->delme && class->haspool && class->count == 0) { - AST_LIST_TRAVERSE_SAFE_BEGIN(&(class->odbc_obj), current, list) { - AST_LIST_REMOVE_CURRENT(&(class->odbc_obj), list); - odbc_obj_disconnect(current); - ast_mutex_destroy(¤t->lock); - free(current); - } - AST_LIST_TRAVERSE_SAFE_END; - - AST_LIST_REMOVE_CURRENT(&odbc_list, list); - free(class); - } - } - AST_LIST_TRAVERSE_SAFE_END; - AST_LIST_UNLOCK(&odbc_list); - - return 0; -} - -static int unload_module(void) -{ - /* Prohibit unloading */ - return -1; -} - -static int load_module(void) -{ - if(load_odbc_config() == -1) - return AST_MODULE_LOAD_DECLINE; - ast_cli_register_multiple(cli_odbc, sizeof(cli_odbc) / sizeof(struct ast_cli_entry)); - ast_log(LOG_NOTICE, "res_odbc loaded.\n"); - return 0; -} - -AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "ODBC Resource", - .load = load_module, - .unload = unload_module, - .reload = reload, - ); |