1 files changed, 38 insertions, 19 deletions

diff --git a/indra/newview/llvoicevivox.cpp b/indra/newview/llvoicevivox.cpp
index 999d1a17ab..4caac36858 100644
--- a/indra/newview/llvoicevivox.cpp
+++ b/indra/newview/llvoicevivox.cpp
@@ -951,32 +951,52 @@ bool LLVivoxVoiceClient::startAndLaunchDaemon()
             // cause SLVoice's bind() call to fail with EADDRINUSE. We expect
             // that eventually the OS will time out previous ports, which is
             // why we cycle instead of incrementing indefinitely.
-            U32 portbase = gSavedSettings.getU32("VivoxVoicePort");
-            static U32 portoffset = 0;
+
+            static LLCachedControl<U32> portbase(gSavedSettings, "VivoxVoicePort");
+            static LLCachedControl<std::string> host(gSavedSettings, "VivoxVoiceHost");
+            static LLCachedControl<std::string> loglevel(gSavedSettings, "VivoxDebugLevel");
+            static LLCachedControl<std::string> log_folder(gSavedSettings, "VivoxLogDirectory");
+            static LLCachedControl<std::string> shutdown_timeout(gSavedSettings, "VivoxShutdownTimeout");
             static const U32 portrange = 100;
-            std::string host(gSavedSettings.getString("VivoxVoiceHost"));
-            U32 port = portbase + portoffset;
+            static U32 portoffset = 0;
+            U32 port = 0;
+
+            if (LLAppViewer::instance()->isSecondInstance())
+            {
+                // Ideally need to know amount of instances and
+                // to increment instance_offset on EADDRINUSE.
+                // But for now just use rand
+                static U32 instance_offset = portrange * ll_rand(20);
+                port = portbase + portoffset + instance_offset;
+            }
+            else
+            {
+                // leave main thread with exclusive port set
+                port = portbase + portoffset;
+            }
             portoffset = (portoffset + 1) % portrange;
             params.args.add("-i");
-            params.args.add(STRINGIZE(host << ':' << port));
+            params.args.add(STRINGIZE(host() << ':' << port));
 
-            std::string loglevel = gSavedSettings.getString("VivoxDebugLevel");
-            if (loglevel.empty())
+            params.args.add("-ll");
+            if (loglevel().empty())
             {
-                loglevel = "0";
+                params.args.add("0");
             }
-            params.args.add("-ll");
-            params.args.add(loglevel);
-
-            std::string log_folder = gSavedSettings.getString("VivoxLogDirectory");
-
-            if (log_folder.empty())
+            else
             {
-                log_folder = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "");
+                params.args.add(loglevel);
             }
 
             params.args.add("-lf");
-            params.args.add(log_folder);
+            if (log_folder().empty())
+            {
+                params.args.add(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, ""));
+            }
+            else
+            {
+                params.args.add(log_folder);
+            }
 
             // set log file basename and .log
             params.args.add("-lp");
@@ -992,8 +1012,7 @@ bool LLVivoxVoiceClient::startAndLaunchDaemon()
                 LLFile::rename(new_log, old_log);
             }
             
-            std::string shutdown_timeout = gSavedSettings.getString("VivoxShutdownTimeout");
-            if (!shutdown_timeout.empty())
+            if (!shutdown_timeout().empty())
             {
                 params.args.add("-st");
                 params.args.add(shutdown_timeout);
@@ -1016,7 +1035,7 @@ bool LLVivoxVoiceClient::startAndLaunchDaemon()
 
             sGatewayPtr = LLProcess::create(params);
 
-            mDaemonHost = LLHost(host.c_str(), port);
+            mDaemonHost = LLHost(host().c_str(), port);
         }
         else
         {