--- /dev/null
+/*
+ * 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_esf.c -- Extra SIP Functionality
+ *
+ */
+#include <switch.h>
+
+static const char modname[] = "mod_esf";
+
+struct ls_control_packet {
+ uint32_t unique_id;
+ uint32_t command;
+ uint32_t ip;
+ uint32_t port;
+};
+typedef struct ls_control_packet ls_control_packet_t;
+
+typedef enum {
+ LS_START_BCAST = 6,
+ LS_STOP_BCAST = 7
+} ls_command_t;
+
+typedef enum {
+ SEND_TYPE_UNKNOWN = 0,
+ SEND_TYPE_RTP = 1,
+ SEND_TYPE_RAW = 2,
+ SEND_TYPE_NOMEDIA = 3
+} ls_how_t;
+
+static void bcast_function(switch_core_session_t *session, char *data)
+{
+ switch_channel_t *channel;
+ switch_socket_t *socket;
+ switch_sockaddr_t *audio_addr, *control_packet_addr;
+ switch_frame_t *read_frame;
+ switch_status_t status;
+ switch_size_t bytes;
+ ls_control_packet_t control_packet;
+ switch_codec_t *read_codec;
+ uint32_t flags = 0;
+ const char *err;
+ switch_rtp_t *rtp_session;
+ uint32_t rtp_port;
+ char guess_ip[25];
+ ls_how_t ready = SEND_TYPE_UNKNOWN;
+ int argc;
+ char *mydata, *argv[5];
+ char *mcast_ip = "224.168.168.168";
+ uint32_t mcast_port = 34567;
+ uint32_t mcast_control_port = 6061;
+ char *mcast_port_str = "34567";
+
+
+ channel = switch_core_session_get_channel(session);
+ assert(channel != NULL);
+
+
+ if (!switch_strlen_zero((char *) data)) {
+ mydata = switch_core_session_strdup(session, data);
+ assert(mydata != NULL);
+
+ argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
+
+ if (!switch_strlen_zero(argv[0])) {
+ mcast_ip = argv[0];
+ }
+
+ if (!switch_strlen_zero(argv[1])) {
+ mcast_port_str = argv[1];
+ mcast_port = atoi(mcast_port_str);
+ }
+
+ if (!switch_strlen_zero(argv[2])) {
+ mcast_control_port = atoi(argv[2]);
+ }
+ }
+
+
+ if (switch_true(switch_channel_get_variable(channel, "no_media"))) {
+ switch_core_session_message_t msg = { 0 };
+
+ ready = SEND_TYPE_NOMEDIA;
+
+ switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, mcast_ip);
+ switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, mcast_port_str);
+
+ /* special answer with the mcast addr */
+ msg.from = __FILE__;
+ msg.string_arg = data;
+ msg.message_id = SWITCH_MESSAGE_INDICATE_BROADCAST;
+ switch_core_session_receive_message(session, &msg);
+ } else {
+ switch_channel_answer(channel);
+ }
+
+ read_codec = switch_core_session_get_read_codec(session);
+
+ if (switch_socket_create(&socket, AF_INET, SOCK_DGRAM, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error 1\n");
+ goto fail;
+ }
+
+ if (switch_sockaddr_info_get(&control_packet_addr, mcast_ip, SWITCH_UNSPEC,
+ mcast_control_port, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error 3\n");
+ goto fail;
+ }
+
+
+ while(!ready) {
+ status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+ if (switch_test_flag(read_frame, SFF_CNG)) {
+ continue;
+ }
+
+ if (!SWITCH_READ_ACCEPTABLE(status)) {
+ goto fail;
+ }
+
+ if (read_frame->packet && read_frame->packetlen) {
+ ready = SEND_TYPE_RAW;
+ } else {
+ ready = SEND_TYPE_RTP;
+ }
+
+ }
+
+ if (ready == SEND_TYPE_RTP) {
+ rtp_port = switch_rtp_request_port();
+ switch_find_local_ip(guess_ip, sizeof(guess_ip), AF_INET);
+ rtp_session = switch_rtp_new(guess_ip,
+ rtp_port,
+ mcast_ip,
+ mcast_port,
+ read_codec->implementation->ianacode,
+ read_codec->implementation->samples_per_frame,
+ read_codec->implementation->microseconds_per_frame,
+ (switch_rtp_flag_t) flags,
+ NULL, "soft", &err, switch_core_session_get_pool(session));
+
+ if (!switch_rtp_ready(rtp_session)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTP Error\n");
+ goto fail;
+ }
+ } else if (ready == SEND_TYPE_NOMEDIA) {
+ switch_yield(10000);
+ } else if (ready == SEND_TYPE_RAW) {
+ if (switch_sockaddr_info_get(&audio_addr, mcast_ip, SWITCH_UNSPEC, mcast_port, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error 2\n");
+ goto fail;
+ }
+ }
+
+ control_packet.unique_id = htonl(time(NULL));
+ control_packet.command = htonl(LS_START_BCAST);
+ control_packet.ip = inet_addr(mcast_ip);
+ control_packet.port = htonl(mcast_port);
+
+ bytes = 16;
+ switch_socket_sendto(socket, control_packet_addr, 0, (void *)&control_packet, &bytes);
+ bytes = 16;
+ switch_socket_sendto(socket, control_packet_addr, 0, (void *)&control_packet, &bytes);
+
+
+ for(;;) {
+ status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+ if (!SWITCH_READ_ACCEPTABLE(status)) {
+ break;
+ }
+ if (switch_test_flag(read_frame, SFF_CNG)) {
+ continue;
+ }
+ if (ready == SEND_TYPE_RTP) {
+ switch_rtp_write_frame(rtp_session, read_frame, 0);
+ } else {
+ bytes = read_frame->packetlen;
+ switch_socket_sendto(socket, audio_addr, 0, read_frame->packet, &bytes);
+ }
+ }
+
+
+
+ control_packet.unique_id = htonl(time(NULL));
+ control_packet.command = htonl(LS_STOP_BCAST);
+ bytes = 8;
+ switch_socket_sendto(socket, control_packet_addr, 0, (void *)&control_packet, &bytes);
+ bytes = 8;
+ switch_socket_sendto(socket, control_packet_addr, 0, (void *)&control_packet, &bytes);
+
+ fail:
+
+ if (ready == SEND_TYPE_RTP && switch_rtp_ready(rtp_session)) {
+ switch_rtp_destroy(&rtp_session);
+ }
+
+ if (socket) {
+ switch_socket_close(socket);
+ }
+
+ return;
+}
+
+
+static const switch_application_interface_t bcast_application_interface = {
+ /*.interface_name */ "esf_ls_page_group",
+ /*.application_function */ bcast_function,
+ NULL, NULL, NULL,
+ /* flags */ SAF_NONE,
+ /*.next */ NULL
+};
+
+static const switch_loadable_module_interface_t mod_ivrtest_module_interface = {
+ /*.module_name = */ modname,
+ /*.endpoint_interface = */ NULL,
+ /*.timer_interface = */ NULL,
+ /*.dialplan_interface = */ NULL,
+ /*.codec_interface = */ NULL,
+ /*.application_interface */ &bcast_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_ivrtest_module_interface;
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+//switch_status_t switch_module_runtime(void)
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
--- /dev/null
+<?xml version="1.0" encoding="Windows-1252"?>\r
+<VisualStudioProject\r
+ ProjectType="Visual C++"\r
+ Version="8.00"\r
+ Name="mod_esf"\r
+ ProjectGUID="{419AA391-5F3F-4BFE-A869-9D154D62A792}"\r
+ RootNamespace="mod_esf"\r
+ Keyword="Win32Proj"\r
+ >\r
+ <Platforms>\r
+ <Platform\r
+ Name="Win32"\r
+ />\r
+ </Platforms>\r
+ <ToolFiles>\r
+ </ToolFiles>\r
+ <Configurations>\r
+ <Configuration\r
+ Name="Debug|Win32"\r
+ OutputDirectory="$(ConfigurationName)"\r
+ IntermediateDirectory="$(ConfigurationName)"\r
+ ConfigurationType="2"\r
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"\r
+ CharacterSet="2"\r
+ >\r
+ <Tool\r
+ Name="VCPreBuildEventTool"\r
+ />\r
+ <Tool\r
+ Name="VCCustomBuildTool"\r
+ />\r
+ <Tool\r
+ Name="VCXMLDataGeneratorTool"\r
+ />\r
+ <Tool\r
+ Name="VCWebServiceProxyGeneratorTool"\r
+ />\r
+ <Tool\r
+ Name="VCMIDLTool"\r
+ />\r
+ <Tool\r
+ Name="VCCLCompilerTool"\r
+ Optimization="0"\r
+ AdditionalIncludeDirectories=""$(InputDir)..\..\..\include";"$(InputDir)include";"$(InputDir)..\..\..\..\libs\include""\r
+ PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"\r
+ MinimalRebuild="true"\r
+ BasicRuntimeChecks="3"\r
+ RuntimeLibrary="3"\r
+ UsePrecompiledHeader="0"\r
+ WarningLevel="4"\r
+ WarnAsError="true"\r
+ Detect64BitPortabilityProblems="true"\r
+ DebugInformationFormat="3"\r
+ />\r
+ <Tool\r
+ Name="VCManagedResourceCompilerTool"\r
+ />\r
+ <Tool\r
+ Name="VCResourceCompilerTool"\r
+ />\r
+ <Tool\r
+ Name="VCPreLinkEventTool"\r
+ />\r
+ <Tool\r
+ Name="VCLinkerTool"\r
+ OutputFile="$(SolutionDir)$(OutDir)/mod/$(InputName).dll"\r
+ LinkIncremental="1"\r
+ AdditionalLibraryDirectories="..\..\..\..\w32\vsnet\$(OutDir)"\r
+ GenerateDebugInformation="true"\r
+ ProgramDatabaseFile="$(OutDir)$(TargetName).pdb"\r
+ SubSystem="2"\r
+ ImportLibrary="$(OutDir)/mod_esf.lib"\r
+ TargetMachine="1"\r
+ />\r
+ <Tool\r
+ Name="VCALinkTool"\r
+ />\r
+ <Tool\r
+ Name="VCManifestTool"\r
+ />\r
+ <Tool\r
+ Name="VCXDCMakeTool"\r
+ />\r
+ <Tool\r
+ Name="VCBscMakeTool"\r
+ />\r
+ <Tool\r
+ Name="VCFxCopTool"\r
+ />\r
+ <Tool\r
+ Name="VCAppVerifierTool"\r
+ />\r
+ <Tool\r
+ Name="VCWebDeploymentTool"\r
+ />\r
+ <Tool\r
+ Name="VCPostBuildEventTool"\r
+ />\r
+ </Configuration>\r
+ <Configuration\r
+ Name="Release|Win32"\r
+ OutputDirectory="$(ConfigurationName)"\r
+ IntermediateDirectory="$(ConfigurationName)"\r
+ ConfigurationType="2"\r
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"\r
+ CharacterSet="2"\r
+ >\r
+ <Tool\r
+ Name="VCPreBuildEventTool"\r
+ />\r
+ <Tool\r
+ Name="VCCustomBuildTool"\r
+ />\r
+ <Tool\r
+ Name="VCXMLDataGeneratorTool"\r
+ />\r
+ <Tool\r
+ Name="VCWebServiceProxyGeneratorTool"\r
+ />\r
+ <Tool\r
+ Name="VCMIDLTool"\r
+ />\r
+ <Tool\r
+ Name="VCCLCompilerTool"\r
+ AdditionalIncludeDirectories=""$(InputDir)..\..\..\include";"$(InputDir)include";"$(InputDir)..\..\..\..\libs\include""\r
+ PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"\r
+ RuntimeLibrary="2"\r
+ UsePrecompiledHeader="0"\r
+ WarningLevel="4"\r
+ WarnAsError="true"\r
+ Detect64BitPortabilityProblems="true"\r
+ DebugInformationFormat="3"\r
+ />\r
+ <Tool\r
+ Name="VCManagedResourceCompilerTool"\r
+ />\r
+ <Tool\r
+ Name="VCResourceCompilerTool"\r
+ />\r
+ <Tool\r
+ Name="VCPreLinkEventTool"\r
+ />\r
+ <Tool\r
+ Name="VCLinkerTool"\r
+ OutputFile="$(SolutionDir)$(OutDir)/mod/$(InputName).dll"\r
+ LinkIncremental="1"\r
+ AdditionalLibraryDirectories="..\..\..\..\w32\vsnet\$(OutDir)"\r
+ GenerateDebugInformation="true"\r
+ ProgramDatabaseFile="$(OutDir)$(TargetName).pdb"\r
+ SubSystem="2"\r
+ OptimizeReferences="2"\r
+ EnableCOMDATFolding="2"\r
+ ImportLibrary="$(OutDir)/mod_esf.lib"\r
+ TargetMachine="1"\r
+ />\r
+ <Tool\r
+ Name="VCALinkTool"\r
+ />\r
+ <Tool\r
+ Name="VCManifestTool"\r
+ />\r
+ <Tool\r
+ Name="VCXDCMakeTool"\r
+ />\r
+ <Tool\r
+ Name="VCBscMakeTool"\r
+ />\r
+ <Tool\r
+ Name="VCFxCopTool"\r
+ />\r
+ <Tool\r
+ Name="VCAppVerifierTool"\r
+ />\r
+ <Tool\r
+ Name="VCWebDeploymentTool"\r
+ />\r
+ <Tool\r
+ Name="VCPostBuildEventTool"\r
+ />\r
+ </Configuration>\r
+ </Configurations>\r
+ <References>\r
+ </References>\r
+ <Files>\r
+ <Filter\r
+ Name="Source Files"\r
+ Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"\r
+ UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"\r
+ >\r
+ <File\r
+ RelativePath=".\mod_esf.c"\r
+ >\r
+ </File>\r
+ </Filter>\r
+ <Filter\r
+ Name="Header Files"\r
+ Filter="h;hpp;hxx;hm;inl;inc;xsd"\r
+ UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"\r
+ >\r
+ </Filter>\r
+ <Filter\r
+ Name="Resource Files"\r
+ Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"\r
+ UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"\r
+ >\r
+ </Filter>\r
+ </Files>\r
+ <Globals>\r
+ </Globals>\r
+</VisualStudioProject>\r