Changeset 6568 for vtkvis/trunk/RenderServer.cpp

Timestamp:

Nov 3, 2016 10:57:57 PM (7 years ago)

Author:

ldelgass

Message:

Add optional idle timeout to vtkvis server. Allows server to close connection
and exit after a specified period without commands from the client.

File:

• vtkvis/trunk/RenderServer.cpp (modified) (5 diffs)

vtkvis/trunk/RenderServer.cpp

@@ -482 +482 @@
     signal(SIGPIPE, SIG_IGN);
 
+    long idleTimeout = -1L;
     while (1) {
-        int c = getopt(argc, argv, "i:o:");
+        int c = getopt(argc, argv, "i:o:t:");
         if (c == -1) {
             break;
@@ -502 +503 @@
         }
             break;
+        case 't':
+            // Idle timeout in seconds
+            idleTimeout = atol(optarg);
+            break;
         case '?':
             break;
@@ -543 +548 @@
     g_inBufPtr = new ReadBuffer(g_fdIn, 1<<12);
 
+    g_renderer->setIdleTimeout(idleTimeout);
+
     Tcl_Interp *interp = Tcl_CreateInterp();
     ClientData clientData = NULL;
@@ -563 +570 @@
     // Start main server loop
     for (;;) {
-        if (processCommands(interp, clientData, g_inBufPtr, g_fdOut) < 0)
+        struct timeval timeout;
+        g_renderer->getTimeout(&timeout);
+        int cmdStatus = processCommands(interp, clientData, g_inBufPtr, g_fdOut, &timeout);
+        if (cmdStatus < 0)
             break;
 
@@ -577 +587 @@
             g_stats.nFrameBytes += imgData->GetDataSize() * imgData->GetDataTypeSize();
         } else {
-            TRACE("No render required");
-            sendAck(clientData, g_fdOut);
+            if (cmdStatus > 1) {
+                sendAck(clientData, g_fdOut);
+            } else {
+                TRACE("No render required and status = %d", cmdStatus);
+            }
         }