Introducing the REALTIME() dialplan function

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@24376 65c4cc65-6c06-0410-ace0-fbb531ad65f3

UPGRADE.txt

@@ -115,6 +115,11 @@ Functions:
 * The ENUMLOOKUP() function with the 'c' option (for counting the number of records),
   but the lookup fails to match any records, the returned value will now be "0" instead of blank.
 
+* The REALTIME() function is now available in version 1.4 and app_realtime has
+  been deprecated in favor of the new function. app_realtime will be removed
+  completely with the version 1.6 release so please take the time between
+  releases to make any necessary changes
+
 The IAX2 channel:
 
 * The "mailboxdetail" option has been deprecated.  Previously, if this option

apps/app_realtime.c

@@ -140,6 +140,8 @@ static int realtime_update_exec(struct ast_channel *chan, void *data)
 	int res = 0, count = 0;
 	char countc[13];
 
+        ast_log(LOG_WARNING, "The RealTimeUpdate application has been deprecated in favor of the REALTIME dialplan function.\n");
+
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_ERROR,"Invalid input: usage %s\n",UUSAGE);
 		return -1;
@@ -185,6 +187,8 @@ static int realtime_exec(struct ast_channel *chan, void *data)
 	char countc[13];
 	size_t len;
 		
+        ast_log(LOG_WARNING, "The RealTime application has been deprecated in favor of the REALTIME dialplan function.\n");
+
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_ERROR,"Invalid input: usage %s\n",USAGE);
 		return -1;

funcs/func_realtime.c

@@ -0,0 +1,186 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2005-2006, BJ Weschke. All rights reserved.
+ * 
+ * BJ Weschke <bweschke@btwtech.com>
+ * 
+ * This code is released by the author with no restrictions on usage. 
+ *
+ * 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.
+ *
+ */
+
+/*! \file
+ *
+ * \brief REALTIME dialplan function
+ * 
+ * \author BJ Weschke <bweschke@btwtech.com>
+ * 
+ * \ingroup functions
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "asterisk.h"
+
+/* ASTERISK_FILE_VERSION(__FILE__, "$Revision$") */
+
+#include "asterisk/file.h"
+#include "asterisk/channel.h"
+#include "asterisk/pbx.h"
+#include "asterisk/options.h"
+#include "asterisk/config.h"
+#include "asterisk/module.h"
+#include "asterisk/lock.h"
+#include "asterisk/logger.h"
+#include "asterisk/utils.h"
+#include "asterisk/module.h"
+#include "asterisk/app.h"
+
+LOCAL_USER_DECL;
+
+static char *tdesc = "Read/Write values from a RealTime repository";
+
+static int function_realtime_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) 
+{
+
+	struct ast_variable *var=NULL,*head=NULL;
+        struct localuser *u;
+	char *results;
+	unsigned int resultslen=0;
+
+	LOCAL_USER_ADD(u);
+
+	AST_DECLARE_APP_ARGS(args,
+		AST_APP_ARG(family);
+		AST_APP_ARG(fieldmatch);
+		AST_APP_ARG(value);
+		AST_APP_ARG(delim1);
+		AST_APP_ARG(delim2);
+	);
+
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "Syntax: REALTIME(family|fieldmatch[|value[|delim1[|delim2]]]) - missing argument!\n");
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	} else
+		AST_STANDARD_APP_ARGS(args, data);
+
+	if (!args.delim1)
+		args.delim1 = "|";
+	if (!args.delim2)
+		args.delim2 = "=";
+
+	var = ast_load_realtime(args.family, args.fieldmatch, args.value, NULL);
+
+	if (var) {
+		head = var;
+		while (var) {
+			resultslen += strlen(var->name) + strlen(var->value) + 2;
+			var = var->next;
+		}
+		var = head;
+		results = alloca(resultslen);
+		while (var) {
+			ast_build_string(&results, &resultslen, "%s%s%s%s", var->name, args.delim2, var->value, args.delim1);
+			var = var->next;
+		}	
+	} else {
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	}
+	ast_copy_string(buf, results, len);
+
+	LOCAL_USER_REMOVE(u);
+	return 0;
+}
+
+static int function_realtime_write(struct ast_channel *chan, char *cmd, char *data, const char *value)
+{
+        struct localuser *u;
+	int res = 0;
+
+	LOCAL_USER_ADD(u);
+
+	AST_DECLARE_APP_ARGS(args,
+		AST_APP_ARG(family);
+		AST_APP_ARG(fieldmatch);
+		AST_APP_ARG(value);
+		AST_APP_ARG(field);
+	);
+
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "Syntax: REALTIME(family|fieldmatch|value|newcol) - missing argument!\n");
+		LOCAL_USER_REMOVE(u);
+		return -1;
+	} else
+		AST_STANDARD_APP_ARGS(args, data);
+
+	res = ast_update_realtime(args.family, args.fieldmatch, args.value, args.field, (char *)value, NULL);
+
+	if (res < 0) {
+		ast_log(LOG_WARNING, "Failed to update. Check the debug log for possible data repository related entries.\n");
+	}
+
+	LOCAL_USER_REMOVE(u);
+	return 0;
+}
+
+struct ast_custom_function realtime_function = {
+	.name = "REALTIME",
+	.synopsis = "RealTime Read/Write Functions",
+	.syntax = "REALTIME(family|fieldmatch[|value[|delim1[|delim2]]]) on read\n"
+		  "REALTIME(family|fieldmatch|value|field) on write\n",
+	.desc = "This function will read or write values from/to a RealTime repository.\n"
+		"REALTIME(....) will read names/values from the repository, and \n"
+		"REALTIME(....)= will write a new value/field to the repository. On a\n"
+		"read, this function returns a delimited text string. The name/value \n"
+		"pairs are delimited by delim1, and the name and value are delimited \n"
+		"between each other with delim2. The default for delim1 is '=' and   \n"
+		"the default for delim2 is '|'. If there is no match, NULL will be   \n"
+		"returned by the function. On a write, this function will always     \n"
+		"return NULL. \n",
+	.read = function_realtime_read,
+	.write = function_realtime_write,
+};
+
+static int unload_module(void *mod)
+{
+        int res = 0;
+
+        res |= ast_custom_function_unregister(&realtime_function);
+
+	STANDARD_HANGUP_LOCALUSERS;
+
+        return res;
+}
+
+static int load_module(void *mod)
+{
+        int res = 0;
+
+        res |= ast_custom_function_register(&realtime_function);
+
+        return res;
+}
+
+static const char *description(void)
+{
+        return tdesc;
+}
+
+static const char *key(void)
+{
+        return ASTERISK_GPL_KEY;
+}
+
+STD_MOD(MOD_1, NULL, NULL, NULL);