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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Functions for interaction with the Asterisk database
*
* Copyright (C) 2005, Russell Bryant <russelb@clemson.edu>
*
* func_db.c adapted from the old app_db.c, copyright by the following people
* Copyright (C) 2005, Mark Spencer <markster@digium.com>
* Copyright (C) 2003, Jefferson Noxon <jeff@debian.org>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <regex.h>
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/astdb.h"
static char *function_db_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
int argc;
char *args;
char *argv[2];
char *family;
char *key;
if (!data || ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "DB requires an argument, DB(<family>/<key>)\n");
return buf;
}
args = ast_strdupa(data);
argc = ast_separate_app_args(args, '/', argv, sizeof(argv) / sizeof(argv[0]));
if (argc > 1) {
family = argv[0];
key = argv[1];
} else {
ast_log(LOG_WARNING, "DB requires an argument, DB(<family>/<key>)\n");
return buf;
}
if (ast_db_get(family, key, buf, len-1)) {
ast_log(LOG_WARNING, "DB: %s/%s not found in database.\n", family, key);
}
return buf;
}
static void function_db_write(struct ast_channel *chan, char *cmd, char *data, const char *value)
{
int argc;
char *args;
char *argv[2];
char *family;
char *key;
if (!data || ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "DB requires an argument, DB(<family>/<key>)=<value>\n");
return;
}
args = ast_strdupa(data);
argc = ast_separate_app_args(args, '/', argv, sizeof(argv) / sizeof(argv[0]));
if (argc > 1) {
family = argv[0];
key = argv[1];
} else {
ast_log(LOG_WARNING, "DB requires an argument, DB(<family>/<key>)=value\n");
return;
}
if (ast_db_put(family, key, (char*)value)) {
ast_log(LOG_WARNING, "DB: Error writing value to database.\n");
}
}
#ifndef BUILTIN_FUNC
static
#endif
struct ast_custom_function db_function = {
.name = "DB",
.synopsis = "Read or Write from/to the Asterisk database",
.syntax = "DB(<family>/<key>)",
.desc = "This function will read or write a value from/to the Asterisk database."
"DB(...) will read a value from the database, while DB(...)=value"
"will write a value to the database. On a read, this function"
"returns the value from the datase, or NULL if it does not exist."
"On a write, this function will always return NULL.",
.read = function_db_read,
.write = function_db_write,
};
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