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<div id="msg">
<div id="header">FreeSWITCH Subversion</div>
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://fisheye.freeswitch.org/changelog/FreeSWITCH?cs=15421">15421</a></dd>
<dt>Author</dt> <dd>anthm</dd>
<dt>Date</dt> <dd>2009-11-10 20:19:44 -0600 (Tue, 10 Nov 2009)</dd>
</dl>
<h3>Log Message</h3>
<pre>add mod_distributor</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#freeswitchtrunkconfautoload_configsdistributorconfxml">freeswitch/trunk/conf/autoload_configs/distributor.conf.xml</a></li>
<li>freeswitch/trunk/src/mod/applications/mod_distributor/</li>
<li><a href="#freeswitchtrunksrcmodapplicationsmod_distributormod_distributor2008vcproj">freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.2008.vcproj</a></li>
<li><a href="#freeswitchtrunksrcmodapplicationsmod_distributormod_distributorc">freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.c</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="freeswitchtrunkconfautoload_configsdistributorconfxml"></a>
<div class="addfile"><h4>Added: freeswitch/trunk/conf/autoload_configs/distributor.conf.xml (0 => 15421)</h4>
<pre class="diff"><span>
<span class="info">--- freeswitch/trunk/conf/autoload_configs/distributor.conf.xml (rev 0)
+++ freeswitch/trunk/conf/autoload_configs/distributor.conf.xml 2009-11-11 02:19:44 UTC (rev 15421)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+<configuration name="distributor.conf" description="Distributor Configuration">
+ <lists>
+ <!-- every 10 calls to test you will get foo1 once and foo2 9 times...yes NINE TIMES! -->
+ <!-- this is not the same as 100 with 10 and 90 that would do foo1 10 times in a row then foo2 90 times in a row -->
+ <list name="test" target-weight="10">
+ <node name="foo1" weight="1"/>
+ <node name="foo2" weight="9"/>
+ </list>
+ </lists>
+</configuration>
</ins></span></pre></div>
<a id="freeswitchtrunksrcmodapplicationsmod_distributormod_distributor2008vcproj"></a>
<div class="addfile"><h4>Added: freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.2008.vcproj (0 => 15421)</h4>
<pre class="diff"><span>
<span class="info">--- freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.2008.vcproj (rev 0)
+++ freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.2008.vcproj 2009-11-11 02:19:44 UTC (rev 15421)
</span><span class="lines">@@ -0,0 +1,287 @@
</span><ins>+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="9.00"
+ Name="mod_distributor"
+ ProjectGUID="{11C9BC3D-45E9-46E3-BE84-B8CEE4685E39}"
+ RootNamespace="mod_distributor"
+ Keyword="Win32Proj"
+ TargetFrameworkVersion="131072"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
+ <Platform
+ Name="x64"
+ />
+ </Platforms>
+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Debug|Win32"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Debug|x64"
+ OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+ IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ TargetEnvironment="3"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ OutputFile="$(SolutionDir)$(PlatformName)\$(ConfigurationName)/mod/$(ProjectName).dll"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ TargetMachine="17"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|Win32"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|x64"
+ OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+ IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ TargetEnvironment="3"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ OutputFile="$(SolutionDir)$(PlatformName)\$(ConfigurationName)/mod/$(ProjectName).dll"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ TargetMachine="17"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ </Configurations>
+ <References>
+ </References>
+ <Files>
+ <File
+ RelativePath=".\mod_distributor.c"
+ >
+ </File>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
</ins></span></pre></div>
<a id="freeswitchtrunksrcmodapplicationsmod_distributormod_distributorc"></a>
<div class="addfile"><h4>Added: freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.c (0 => 15421)</h4>
<pre class="diff"><span>
<span class="info">--- freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.c (rev 0)
+++ freeswitch/trunk/src/mod/applications/mod_distributor/mod_distributor.c 2009-11-11 02:19:44 UTC (rev 15421)
</span><span class="lines">@@ -0,0 +1,404 @@
</span><ins>+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * 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 <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Neal Horman <neal at wanlink dot com>
+ *
+ *
+ * mod_distributor.c -- Framework Demo Module
+ *
+ */
+#include <switch.h>
+
+/* Prototypes */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_distributor_shutdown);
+SWITCH_MODULE_RUNTIME_FUNCTION(mod_distributor_runtime);
+SWITCH_MODULE_LOAD_FUNCTION(mod_distributor_load);
+
+/* SWITCH_MODULE_DEFINITION(name, load, shutdown, runtime)
+ * Defines a switch_loadable_module_function_table_t and a static const char[] modname
+ */
+SWITCH_MODULE_DEFINITION(mod_distributor, mod_distributor_load, mod_distributor_shutdown, NULL);
+
+
+struct dist_node {
+ char *name;
+ int weight;
+ int cur_weight;
+ struct dist_node *next;
+};
+
+struct dist_list {
+ char *name;
+ int target_weight;
+ int last;
+ int node_count;
+ struct dist_node *lastnode;
+ struct dist_node *nodes;
+ struct dist_list *next;
+};
+
+
+static void destroy_node(struct dist_node *node)
+{
+ struct dist_node *old;
+ while(node) {
+ old = node;
+ node = node->next;
+ if (old->name) {
+ free(old->name);
+ }
+ free(old);
+ }
+}
+
+static void destroy_list(struct dist_list *list)
+{
+ struct dist_list *old;
+
+ while(list) {
+ old = list;
+ list = list->next;
+ destroy_node(old->nodes);
+ if (old->name) {
+ free(old->name);
+ }
+ free(old);
+ }
+}
+
+static struct {
+ switch_mutex_t *mod_lock;
+ switch_memory_pool_t *pool;
+ struct dist_list *list;
+} globals;
+
+
+
+static int load_config(int reloading)
+{
+ struct dist_list *main_list=NULL, *new_list, *old_list=NULL, *lp=NULL;
+ switch_status_t status = SWITCH_STATUS_FALSE;
+ char *cf = "distributor.conf";
+ switch_xml_t cfg, xml, lists, list, param;
+
+
+ if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
+ return SWITCH_STATUS_TERM;
+ }
+
+ if (!(lists = switch_xml_child(cfg, "lists"))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't find any lists!\n");
+ return status;
+ }
+
+ switch_mutex_lock(globals.mod_lock);
+
+ for (list = switch_xml_child(lists, "list"); list; list = list->next) {
+ const char *name = switch_xml_attr(list, "name");
+ const char *tweight = switch_xml_attr(list, "total-weight");
+ struct dist_node *node, *np=NULL;
+ int target_weight = 10;
+ int accum = 0;
+
+ if (zstr(name)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing NAME!\n");
+ continue;
+ }
+
+ if (!zstr(tweight)) {
+ target_weight = atoi(tweight);
+ }
+
+ switch_zmalloc(new_list, sizeof(*new_list));
+
+ new_list->name = strdup(name);
+ new_list->last = -1;
+ new_list->target_weight = target_weight;
+
+ if (lp) {
+ lp->next = new_list;
+ } else {
+ main_list = new_list;
+ }
+
+ lp = new_list;
+
+ for (param = switch_xml_child(list, "node"); param; param = param->next) {
+ char *name = (char *) switch_xml_attr_soft(param, "name");
+ char *weight_val = (char *) switch_xml_attr_soft(param, "weight");
+ int weight = 0, tmp;
+
+ if ((tmp = atoi(weight_val)) < 1) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Weight %d value incorrect, must be > 0\n", tmp);
+ continue;
+ }
+
+ if (tmp >= lp->target_weight) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Weight %d value incorrect, must be less than %d\n", tmp, lp->target_weight);
+ continue;
+ }
+
+ if (accum + tmp > lp->target_weight) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Target Weight %d already met, ignoring subsequent entries.\n", lp->target_weight);
+ continue;
+ }
+
+ accum += tmp;
+
+ weight = lp->target_weight - tmp;
+
+ if (weight < 0 || weight > lp->target_weight) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Weight %d value incorrect, must be between 1 and %d\n", weight, lp->target_weight);
+ continue;
+ }
+
+ switch_zmalloc(node, sizeof(*node));
+ node->name = strdup(name);
+ node->weight = node->cur_weight = weight;
+
+
+ if (np) {
+ np->next = node;
+ } else {
+ lp->nodes = node;
+ }
+
+ np = node;
+ lp->node_count++;
+ }
+
+ if (accum < lp->target_weight) {
+ struct dist_node *np1;
+ int remain = lp->target_weight - accum;
+ int ea = remain / lp->node_count ? lp->node_count : 1;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Total weight does not add up to total weight %d\n", lp->target_weight);
+
+ for(np1 = lp->nodes; np1; np1 = np1->next) {
+ np1->weight += lp->target_weight - ea;
+ }
+
+ }
+
+ }
+
+ if (main_list) {
+ old_list = globals.list;
+ globals.list = main_list;
+ status = SWITCH_STATUS_SUCCESS;
+ }
+
+ switch_mutex_unlock(globals.mod_lock);
+
+ if (old_list) {
+ destroy_list(old_list);
+ }
+
+
+ if (xml) {
+ switch_xml_free(xml);
+ }
+
+ return status;
+}
+
+static int reset_list(struct dist_list *list)
+{
+ struct dist_node *np;
+
+ for(np = list->nodes; np; np = np->next) {
+ np->cur_weight = np->weight;
+ }
+ list->last = -1;
+ list->lastnode = NULL;
+ return 0;
+}
+
+static struct dist_node *find_next(struct dist_list *list)
+{
+ struct dist_node *np, *match = NULL;
+ int x = 0, mx = 0;
+ int matches = 0, loops = 0;
+
+ for(;;) {
+
+ if (++loops > 1000) {
+ break;
+ }
+
+ x = 0;
+ if (list->last >= list->node_count) {
+ list->last = -1;
+ }
+ match = NULL;
+ for(np = list->nodes; np; np = np->next) {
+ if (np->cur_weight < list->target_weight) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s %d/%d\n", np->name, np->cur_weight, list->target_weight);
+ matches++;
+ if (!match && x > list->last) {
+ match = np;
+ mx = x;
+ }
+ }
+ x++;
+ }
+
+ if (match) {
+ match->cur_weight++;
+ list->lastnode = match;
+ list->last = mx;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Choose %s\n", match->name);
+ return match;
+ }
+
+ if (matches) {
+ list->last = -1;
+ } else {
+ reset_list(list);
+ }
+
+ }
+
+ return NULL;
+}
+
+
+static char *dist_engine(const char *name)
+{
+ struct dist_node *np = NULL;
+ struct dist_list *lp;
+ char *str = NULL;
+
+ switch_mutex_lock(globals.mod_lock);
+ for(lp = globals.list; lp; lp = lp->next) {
+ if (!strcasecmp(name, lp->name)) {
+ np = find_next(lp);
+ break;
+ }
+ }
+
+ if (np) {
+ str = strdup(np->name);
+ }
+ switch_mutex_unlock(globals.mod_lock);
+
+ return str;
+
+}
+
+SWITCH_STANDARD_APP(distributor_exec)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ char *ret = NULL;
+
+ if (zstr(data)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "distributor requires an argument\n");
+ return;
+ }
+
+ if ((ret = dist_engine(data))) {
+ switch_channel_set_variable(channel, "DISTRIBUTOR", ret);
+ free(ret);
+ }
+}
+
+SWITCH_STANDARD_API(distributor_function)
+{
+ char *ret = NULL;
+
+ if (!zstr(cmd) && (ret = dist_engine(cmd))) {
+ stream->write_function(stream, "%s", ret);
+ free(ret);
+ } else {
+ stream->write_function(stream, "-err");
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+
+}
+
+
+SWITCH_STANDARD_API(distributor_ctl_function)
+{
+
+ if (!zstr(cmd) && !strcasecmp(cmd, "reload")) {
+ if (load_config(SWITCH_TRUE) == SWITCH_STATUS_SUCCESS) {
+ stream->write_function(stream, "+ok reloaded.\n");
+ return SWITCH_STATUS_SUCCESS;
+ }
+ }
+
+ stream->write_function(stream, "-error!\n");
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/* Macro expands to: switch_status_t mod_distributor_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool) */
+SWITCH_MODULE_LOAD_FUNCTION(mod_distributor_load)
+{
+ switch_api_interface_t *api_interface;
+ switch_application_interface_t *app_interface;
+
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ memset(&globals, 0, sizeof(globals));
+ switch_mutex_init(&globals.mod_lock, SWITCH_MUTEX_NESTED, pool);
+ globals.pool = pool;
+
+ load_config(SWITCH_FALSE);
+
+
+ SWITCH_ADD_API(api_interface, "distributor", "Distributor API", distributor_function, "<list name>");
+ SWITCH_ADD_API(api_interface, "distributor_ctl", "Distributor API", distributor_ctl_function, "[reload]");
+ SWITCH_ADD_APP(app_interface, "distributor", "Distributor APP", "Distributor APP", distributor_exec, "<list name>", SAF_SUPPORT_NOMEDIA|SAF_ROUTING_EXEC);
+
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/*
+ Called when the system shuts down
+ Macro expands to: switch_status_t mod_distributor_shutdown() */
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_distributor_shutdown)
+{
+ switch_mutex_lock(globals.mod_lock);
+ destroy_list(globals.list);
+ switch_mutex_unlock(globals.mod_lock);
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/* 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
+ */
</ins></span></pre>
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