setup subclass for threaded assignments

assignment-client/src/AssignmentClient.cpp

@@ -80,7 +80,7 @@ void AssignmentClient::readPendingDatagrams() {
                     qDebug() << "Dropping received assignment since we are currently running one.\n";
                 } else {
                     // construct the deployed assignment from the packet data
-                    _currentAssignment = AssignmentFactory::unpackAssignment(packetData, receivedBytes);
+                    _currentAssignment = (ThreadedAssignment*) AssignmentFactory::unpackAssignment(packetData, receivedBytes);
                     
                     qDebug() << "Received an assignment -" << *_currentAssignment << "\n";
                     
@@ -95,7 +95,7 @@ void AssignmentClient::readPendingDatagrams() {
                         // start the deployed assignment
                         QThread* workerThread = new QThread(this);
                         
-                        connect(workerThread, SIGNAL(started()), _currentAssignment, SLOT(setup()));
+                        connect(workerThread, SIGNAL(started()), _currentAssignment, SLOT(run()));
                         
                         connect(_currentAssignment, SIGNAL(finished()), this, SLOT(assignmentCompleted()));
                         connect(_currentAssignment, SIGNAL(finished()), workerThread, SLOT(quit()));

assignment-client/src/AssignmentClient.h

@@ -11,6 +11,8 @@
 
 #include <QtCore/QCoreApplication>
 
+#include "ThreadedAssignment.h"
+
 class AssignmentClient : public QCoreApplication {
     Q_OBJECT
 public:
@@ -24,7 +26,7 @@ private slots:
     void assignmentCompleted();
 private:
     Assignment _requestAssignment;
-    Assignment* _currentAssignment;
+    ThreadedAssignment* _currentAssignment;
 };
 
 #endif /* defined(__hifi__AssignmentClient__) */

assignment-client/src/ThreadedAssignment.cpp

@@ -0,0 +1,32 @@
+//
+//  ThreadedAssignment.cpp
+//  hifi
+//
+//  Created by Stephen Birarda on 12/3/2013.
+//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
+//
+
+#include "ThreadedAssignment.h"
+
+ThreadedAssignment::ThreadedAssignment(const unsigned char* dataBuffer, int numBytes) :
+    Assignment(dataBuffer, numBytes),
+    _isFinished(false)
+{
+    
+}
+
+void ThreadedAssignment::setFinished(bool isFinished) {
+    _isFinished = isFinished;
+
+    if (_isFinished) {
+        emit finished();
+    }
+}
+
+void ThreadedAssignment::checkInWithDomainServerOrExit() {
+    if (NodeList::getInstance()->getNumNoReplyDomainCheckIns() == MAX_SILENT_DOMAIN_SERVER_CHECK_INS) {
+        setFinished(true);
+    } else {
+        NodeList::getInstance()->sendDomainServerCheckIn();
+    }
+}

assignment-client/src/ThreadedAssignment.h

@@ -0,0 +1,34 @@
+//
+//  ThreadedAssignment.h
+//  hifi
+//
+//  Created by Stephen Birarda on 12/3/2013.
+//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
+//
+
+#ifndef __hifi__ThreadedAssignment__
+#define __hifi__ThreadedAssignment__
+
+#include <Assignment.h>
+
+class ThreadedAssignment : public Assignment {
+    Q_OBJECT
+public:
+    ThreadedAssignment(const unsigned char* dataBuffer, int numBytes);
+    
+    void setFinished(bool isFinished);
+public slots:
+    /// threaded run of assignment
+    virtual void run() = 0;
+    
+    virtual void processDatagram(const QByteArray& dataByteArray, const HifiSockAddr& senderSockAddr) = 0;
+protected:
+    bool _isFinished;
+private slots:
+    void checkInWithDomainServerOrExit();
+signals:
+    void finished();
+};
+
+
+#endif /* defined(__hifi__ThreadedAssignment__) */

assignment-client/src/audio/AudioMixer.cpp

@@ -68,8 +68,7 @@ void attachNewBufferToNode(Node *newNode) {
 }
 
 AudioMixer::AudioMixer(const unsigned char* dataBuffer, int numBytes) :
-    Assignment(dataBuffer, numBytes),
+    ThreadedAssignment(dataBuffer, numBytes)
-    _isFinished(false)
 {
     
 }
@@ -251,21 +250,13 @@ void AudioMixer::processDatagram(const QByteArray& dataByteArray, const HifiSock
     }
 }
 
-void AudioMixer::checkInWithDomainServerOrExit() {
+void AudioMixer::run() {
-    if (NodeList::getInstance()->getNumNoReplyDomainCheckIns() == MAX_SILENT_DOMAIN_SERVER_CHECK_INS) {
-        _isFinished = true;
-        emit finished();
-    } else {
-        NodeList::getInstance()->sendDomainServerCheckIn();
-    }
-}
     
+    NodeList* nodeList = NodeList::getInstance();
     
-void AudioMixer::setup() {
     // change the logging target name while this is running
     Logging::setTargetName(AUDIO_MIXER_LOGGING_TARGET_NAME);
     
-    NodeList *nodeList = NodeList::getInstance();
     nodeList->setOwnerType(NODE_TYPE_AUDIO_MIXER);
     
     const char AUDIO_MIXER_NODE_TYPES_OF_INTEREST[2] = { NODE_TYPE_AGENT, NODE_TYPE_AUDIO_INJECTOR };
@@ -281,13 +272,6 @@ void AudioMixer::setup() {
     connect(silentNodeTimer, SIGNAL(timeout()), nodeList, SLOT(removeSilentNodes()));
     silentNodeTimer->start(NODE_SILENCE_THRESHOLD_USECS / 1000);
     
-    run();
-}
-
-void AudioMixer::run() {
-    
-    NodeList* nodeList = NodeList::getInstance();
-    
     int nextFrame = 0;
     timeval startTime;
     

assignment-client/src/audio/AudioMixer.h

@@ -9,28 +9,23 @@
 #ifndef __hifi__AudioMixer__
 #define __hifi__AudioMixer__
 
-
-#include <Assignment.h>
 #include <AudioRingBuffer.h>
 
+#include "../ThreadedAssignment.h"
+
 class PositionalAudioRingBuffer;
 class AvatarAudioRingBuffer;
 
 /// Handles assignments of type AudioMixer - mixing streams of audio and re-distributing to various clients.
-class AudioMixer : public Assignment {
+class AudioMixer : public ThreadedAssignment {
     Q_OBJECT
 public:
     AudioMixer(const unsigned char* dataBuffer, int numBytes);
 public slots:
-    /// performs setup for the audio mixer
+    /// threaded run of assignment
-    void setup();
-    
-    /// performs run of audio mixer
     void run();
     
     void processDatagram(const QByteArray& dataByteArray, const HifiSockAddr& senderSockAddr);
-signals:
-    void finished();
 private:
     /// adds one buffer to the mix for a listening node
     void addBufferToMixForListeningNodeWithBuffer(PositionalAudioRingBuffer* bufferToAdd,
@@ -41,9 +36,6 @@ private:
     
     
     int16_t _clientSamples[BUFFER_LENGTH_SAMPLES_PER_CHANNEL * 2];
-    bool _isFinished;
-private slots:
-    void checkInWithDomainServerOrExit();
 };
 
 #endif /* defined(__hifi__AudioMixer__) */

assignment-client/src/main.cpp

@@ -21,7 +21,6 @@
 #include "Agent.h"
 #include "Assignment.h"
 #include "AssignmentClient.h"
-#include "AssignmentFactory.h"
 #include "audio/AudioMixer.h"
 #include "avatars/AvatarMixer.h"
 

libraries/shared/src/Assignment.cpp

@@ -211,10 +211,6 @@ int Assignment::packToBuffer(unsigned char* buffer) {
     return numPackedBytes;
 }
 
-void Assignment::run() {
-    // run method ovveridden by subclasses
-}
-
 QDebug operator<<(QDebug debug, const Assignment &assignment) {
     debug.nospace() << "UUID: " << assignment.getUUID().toString().toStdString().c_str() <<
         ", Type: " << assignment.getType();

libraries/shared/src/Assignment.h

@@ -90,9 +90,6 @@ public:
     // implement parseData to return 0 so we can be a subclass of NodeData
     int parseData(unsigned char* sourceBuffer, int numBytes) { return 0; }
     
-    /// threaded run of assignment
-    virtual void run();
-    
     friend QDebug operator<<(QDebug debug, const Assignment& assignment);
     friend QDataStream& operator<<(QDataStream &out, const Assignment& assignment);
     friend QDataStream& operator>>(QDataStream &in, Assignment& assignment);

libraries/shared/src/PacketHeaders.cpp

@@ -34,7 +34,7 @@ PACKET_VERSION versionForPacketType(PACKET_TYPE type) {
         case PACKET_TYPE_DOMAIN:
         case PACKET_TYPE_DOMAIN_LIST_REQUEST:
         case PACKET_TYPE_DOMAIN_REPORT_FOR_DUTY:
-            return 1;
+            return 2;
         
         case PACKET_TYPE_VOXEL_QUERY:
             return 1;