global_datastores.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2007, Digium, Inc.
00005  *
00006  * Mark Michelson <mmichelson@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  *
00021  * \brief globally-accessible datastore information and callbacks
00022  *
00023  * \author Mark Michelson <mmichelson@digium.com>
00024  */
00025 
00026 /*** MODULEINFO
00027    <support_level>core</support_level>
00028  ***/
00029 
00030 #include "asterisk.h"
00031 
00032 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 369013 $")
00033 
00034 #include "asterisk/global_datastores.h"
00035 #include "asterisk/linkedlists.h"
00036 
00037 static void dialed_interface_destroy(void *data)
00038 {
00039    struct ast_dialed_interface *di = NULL;
00040    AST_LIST_HEAD(, ast_dialed_interface) *dialed_interface_list = data;
00041    
00042    if (!dialed_interface_list) {
00043       return;
00044    }
00045 
00046    AST_LIST_LOCK(dialed_interface_list);
00047    while ((di = AST_LIST_REMOVE_HEAD(dialed_interface_list, list)))
00048       ast_free(di);
00049    AST_LIST_UNLOCK(dialed_interface_list);
00050 
00051    AST_LIST_HEAD_DESTROY(dialed_interface_list);
00052    ast_free(dialed_interface_list);
00053 }
00054 
00055 static void *dialed_interface_duplicate(void *data)
00056 {
00057    struct ast_dialed_interface *di = NULL;
00058    AST_LIST_HEAD(, ast_dialed_interface) *old_list;
00059    AST_LIST_HEAD(, ast_dialed_interface) *new_list = NULL;
00060 
00061    if(!(old_list = data)) {
00062       return NULL;
00063    }
00064 
00065    if(!(new_list = ast_calloc(1, sizeof(*new_list)))) {
00066       return NULL;
00067    }
00068 
00069    AST_LIST_HEAD_INIT(new_list);
00070    AST_LIST_LOCK(old_list);
00071    AST_LIST_TRAVERSE(old_list, di, list) {
00072       struct ast_dialed_interface *di2 = ast_calloc(1, sizeof(*di2) + strlen(di->interface));
00073       if(!di2) {
00074          AST_LIST_UNLOCK(old_list);
00075          dialed_interface_destroy(new_list);
00076          return NULL;
00077       }
00078       strcpy(di2->interface, di->interface);
00079       AST_LIST_INSERT_TAIL(new_list, di2, list);
00080    }
00081    AST_LIST_UNLOCK(old_list);
00082 
00083    return new_list;
00084 }
00085 
00086 const struct ast_datastore_info dialed_interface_info = {
00087    .type = "dialed-interface",
00088    .destroy = dialed_interface_destroy,
00089    .duplicate = dialed_interface_duplicate,
00090 };
00091 
00092 static void secure_call_store_destroy(void *data)
00093 {
00094    struct ast_secure_call_store *store = data;
00095 
00096    ast_free(store);
00097 }
00098 
00099 static void *secure_call_store_duplicate(void *data)
00100 {
00101    struct ast_secure_call_store *old = data;
00102    struct ast_secure_call_store *new;
00103 
00104    if (!(new = ast_calloc(1, sizeof(*new)))) {
00105       return NULL;
00106    }
00107    new->signaling = old->signaling;
00108    new->media = old->media;
00109 
00110    return new;
00111 }
00112 const struct ast_datastore_info secure_call_info = {
00113    .type = "encrypt-call",
00114    .destroy = secure_call_store_destroy,
00115    .duplicate = secure_call_store_duplicate,
00116 };

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