add mod_dptools, for set variable and sleep from the dialplan

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1864 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/freeswitch.xml

@@ -36,6 +36,7 @@
         <!-- Applications -->
         <load module="mod_bridgecall"/>
         <load module="mod_echo"/>
+        <load module="mod_dptools"/>
         <!-- <load module="mod_ivrtest"/> -->
         <load module="mod_playback"/>
         <load module="mod_commands"/>

modules.conf.in

@@ -1,5 +1,6 @@
 loggers/mod_console
 loggers/mod_syslog
+applications/mod_dptools
 applications/mod_commands
 applications/mod_conference
 applications/mod_bridgecall

src/include/switch_ivr.h

@@ -50,6 +50,15 @@ BEGIN_EXTERN_C
  * @{
  */
 
+
+/*!
+  \brief Wait for time to pass for a specified number of milliseconds
+  \param session the session to wait for.
+  \param ms the number of milliseconds
+  \return SWITCH_STATUS_SUCCESS if the channel is still up
+*/
+SWITCH_DECLARE(switch_status_t) switch_ivr_sleep(switch_core_session_t *session, uint32_t ms);
+
 /*!
   \brief Wait for DTMF digits calling a pluggable callback function when digits are collected.
   \param session the session to read.

src/mod/applications/mod_dptools/mod_dptools.c

@@ -0,0 +1,111 @@
+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Anthony Minessale II <anthmct@yahoo.com>
+ *
+ *
+ * mod_dptools.c -- Raw Audio File Streaming Application Module
+ *
+ */
+#include <switch.h>
+
+static const char modname[] = "mod_dptools";
+
+
+static void sleep_function(switch_core_session_t *session, char *data)
+{
+
+	if (switch_strlen_zero(data)) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No timeout specified.\n");
+	} else {
+		uint32_t ms = atoi(data);
+		switch_ivr_sleep(session, ms);
+	}
+}
+
+static void set_function(switch_core_session_t *session, char *data)
+{
+	switch_channel_t *channel;
+	char *var, *val = NULL;
+
+	channel = switch_core_session_get_channel(session);
+    assert(channel != NULL);
+
+	if (switch_strlen_zero(data)) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No variable name specified.\n");
+	} else {
+		var = switch_core_session_strdup(session, data);
+		val = strchr(var, '=');
+
+		if (val) {
+			*val++ = '\0';
+			if (!strcmp(val, "_UNDEF_")) {
+				val = NULL;
+			}
+		}
+		
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SET [%s]=[%s]\n", var, val ? val : "UNDEF");
+		switch_channel_set_variable(channel, var, val);
+	}
+}
+
+static const switch_application_interface_t set_application_interface = {
+	/*.interface_name */ "set",
+	/*.application_function */ set_function
+};
+
+static const switch_application_interface_t sleep_application_interface = {
+	/*.interface_name */ "sleep",
+	/*.application_function */ sleep_function,
+	NULL,NULL,NULL,
+	&set_application_interface
+};
+
+static const switch_loadable_module_interface_t mod_dptools_module_interface = {
+	/*.module_name = */ modname,
+	/*.endpoint_interface = */ NULL,
+	/*.timer_interface = */ NULL,
+	/*.dialplan_interface = */ NULL,
+	/*.codec_interface = */ NULL,
+	/*.application_interface */ &sleep_application_interface
+};
+
+SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_module_interface_t **module_interface, char *filename)
+{
+
+	/* connect my internal structure to the blank pointer passed to me */
+	*module_interface = &mod_dptools_module_interface;
+
+
+	/* indicate that the module should continue to be loaded */
+	return SWITCH_STATUS_SUCCESS;
+}
+
+/* 'switch_module_runtime' will start up in a thread by itself just by having it exist 
+if it returns anything but SWITCH_STATUS_TERM it will be called again automaticly
+*/
+
+
+//switch_status_t switch_module_runtime(void)

src/mod/applications/mod_dptools/mod_dptools.vcproj

@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="mod_dptools"
+	ProjectGUID="{78100236-7CEA-4948-96CC-E8ED3160329C}"
+	RootNamespace="mod_dptools"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="Debug"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="4"
+				WarnAsError="true"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				OutputFile="..\..\..\..\w32\vsnet\$(OutDir)/mod/mod_dptools.dll"
+				LinkIncremental="2"
+				AdditionalLibraryDirectories="..\..\..\..\w32\vsnet\$(OutDir)"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="$(OutDir)/mod_dptools.pdb"
+				SubSystem="2"
+				ImportLibrary="$(OutDir)/mod_dptools.lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="Release"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
+				RuntimeLibrary="0"
+				UsePrecompiledHeader="0"
+				WarningLevel="4"
+				WarnAsError="true"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				OutputFile="..\..\..\..\w32\vsnet\$(OutDir)/mod/mod_dptools.dll"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories="..\..\..\..\w32\vsnet\$(OutDir)"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				ImportLibrary="$(OutDir)/mod_dptools.lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\mod_dptools.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

src/switch_channel.c

@@ -339,11 +339,18 @@ SWITCH_DECLARE(char *) switch_channel_get_name(switch_channel_t *channel)
 SWITCH_DECLARE(switch_status_t) switch_channel_set_variable(switch_channel_t *channel, char *varname, char *value)
 {
 	assert(channel != NULL);
-	switch_core_hash_delete(channel->variables, varname);
 
-	switch_core_hash_insert_dup(channel->variables, varname, switch_core_session_strdup(channel->session, value));
+	if (varname) {
+		switch_core_hash_delete(channel->variables, varname);
+		if (value) {
+			switch_core_hash_insert_dup(channel->variables, varname, switch_core_session_strdup(channel->session, value));
+		} else {
+			switch_core_hash_delete(channel->variables, varname);
+		}
+		return SWITCH_STATUS_SUCCESS;
+	}
 
-	return SWITCH_STATUS_SUCCESS;
+	return SWITCH_STATUS_FALSE;
 }
 
 SWITCH_DECLARE(int) switch_channel_test_flag(switch_channel_t *channel, switch_channel_flag_t flags)

src/switch_ivr.c

@@ -34,6 +34,46 @@
 
 static const switch_state_handler_table_t audio_bridge_peer_state_handlers;
 
+SWITCH_DECLARE(switch_status_t) switch_ivr_sleep(switch_core_session_t *session, uint32_t ms)
+{
+	switch_channel_t *channel;
+	switch_status_t status = SWITCH_STATUS_SUCCESS;
+	switch_time_t start, now, done = switch_time_now() + (ms * 1000);
+	switch_frame_t *read_frame;
+	int32_t left, elapsed;
+
+	channel = switch_core_session_get_channel(session);
+    assert(channel != NULL);
+
+	start = switch_time_now();
+
+	for(;;) {
+		now = switch_time_now();
+		elapsed = (int32_t)((now - start) / 1000);
+		left = ms - elapsed;
+
+		if (!switch_channel_ready(channel)) {
+			status = SWITCH_STATUS_FALSE;
+			break;
+		}
+
+		if (now > done || left <= 0) {
+			break;
+		}
+
+		if (switch_channel_test_flag(channel, CF_SERVICE)) {
+			switch_yield(1000);
+		} else {
+			status = switch_core_session_read_frame(session, &read_frame, left, 0);
+			if (!SWITCH_READ_ACCEPTABLE(status)) {
+				break;
+			}
+		}
+	}
+	
+
+	return status;
+}
 
 SWITCH_DECLARE(switch_status_t) switch_ivr_collect_digits_callback(switch_core_session_t *session,
 																 switch_input_callback_function_t input_callback,