From c333fb904f88fa109a8776bd5a8a11b8ed17bbd0 Mon Sep 17 00:00:00 2001
From: Andrzej Kapolka <drzej.k@gmail.com>
Date: Thu, 5 Jun 2014 16:45:13 -0700
Subject: [PATCH] Working on tests for delta streaming.

---
 tests/metavoxels/src/MetavoxelTests.cpp | 32 ++++++++++++++++++++++++-
 tests/metavoxels/src/MetavoxelTests.h   | 21 ++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/tests/metavoxels/src/MetavoxelTests.cpp b/tests/metavoxels/src/MetavoxelTests.cpp
index cb1b5c7900..c4d973ad05 100644
--- a/tests/metavoxels/src/MetavoxelTests.cpp
+++ b/tests/metavoxels/src/MetavoxelTests.cpp
@@ -229,6 +229,20 @@ Endpoint::Endpoint(const QByteArray& datagramHeader) :
     connect(_sequencer, SIGNAL(receivedHighPriorityMessage(const QVariant&)),
         SLOT(handleHighPriorityMessage(const QVariant&)));
     
+    connect(_sequencer, SIGNAL(sendAcknowledged(int)), SLOT(clearSendRecordsBefore(int)));
+    connect(_sequencer, SIGNAL(receiveAcknowledged(int)), SLOT(clearReceiveRecordsBefore(int)));
+    
+    // insert the baseline send record
+    SendRecord sendRecord = { 0 };
+    _sendRecords.append(sendRecord);
+    
+    // insert the baseline receive record
+    ReceiveRecord receiveRecord = { 0 };
+    _receiveRecords.append(receiveRecord);
+    
+    // create the object that represents out delta-encoded state
+    //_localState = new TestSharedObjectA();
+    
     connect(_sequencer->getReliableInputChannel(), SIGNAL(receivedMessage(const QVariant&)),
         SLOT(handleReliableMessage(const QVariant&)));
     
@@ -326,7 +340,7 @@ bool Endpoint::simulate(int iterationNumber) {
     // send a packet
     try {
         Bitstream& out = _sequencer->startPacket();
-        SequencedTestMessage message = { iterationNumber, createRandomMessage() };
+        SequencedTestMessage message = { iterationNumber, createRandomMessage(), _localState };
         _unreliableMessagesSent.append(message);
         unreliableMessagesSent++;
         out << message;
@@ -337,6 +351,10 @@ bool Endpoint::simulate(int iterationNumber) {
         return true;
     }
     
+    // record the send
+    SendRecord record = { _sequencer->getOutgoingPacketNumber(), _localState };
+    _sendRecords.append(record);
+    
     return false;
 }
 
@@ -387,6 +405,10 @@ void Endpoint::readMessage(Bitstream& in) {
     SequencedTestMessage message;
     in >> message;
     
+    // record the receipt
+    ReceiveRecord record = { _sequencer->getIncomingPacketNumber(), message.state };
+    _receiveRecords.append(record);
+    
     for (QList<SequencedTestMessage>::iterator it = _other->_unreliableMessagesSent.begin();
             it != _other->_unreliableMessagesSent.end(); it++) {
         if (it->sequenceNumber == message.sequenceNumber) {
@@ -430,6 +452,14 @@ void Endpoint::readReliableChannel() {
     streamedBytesReceived += bytes.size();
 }
 
+void Endpoint::clearSendRecordsBefore(int index) {
+    _sendRecords.erase(_sendRecords.begin(), _sendRecords.begin() + index + 1);
+}
+
+void Endpoint::clearReceiveRecordsBefore(int index) {
+    _receiveRecords.erase(_receiveRecords.begin(), _receiveRecords.begin() + index + 1);
+}
+
 TestSharedObjectA::TestSharedObjectA(float foo, TestEnum baz, TestFlags bong) :
         _foo(foo),
         _baz(baz),
diff --git a/tests/metavoxels/src/MetavoxelTests.h b/tests/metavoxels/src/MetavoxelTests.h
index ffd1311f00..dc294692af 100644
--- a/tests/metavoxels/src/MetavoxelTests.h
+++ b/tests/metavoxels/src/MetavoxelTests.h
@@ -54,9 +54,29 @@ private slots:
     void handleReliableMessage(const QVariant& message);
     void readReliableChannel();
 
+    void clearSendRecordsBefore(int index);    
+    void clearReceiveRecordsBefore(int index);
+
 private:
     
+    class SendRecord {
+    public:
+        int packetNumber;
+        SharedObjectPointer localState;
+    };
+    
+    class ReceiveRecord {
+    public:
+        int packetNumber;
+        SharedObjectPointer remoteState;
+    };
+    
     DatagramSequencer* _sequencer;
+    QList<SendRecord> _sendRecords;
+    QList<ReceiveRecord> _receiveRecords;
+    
+    SharedObjectPointer _localState;
+    
     Endpoint* _other;
     QList<QPair<QByteArray, int> > _delayedDatagrams;
     float _highPriorityMessagesToSend;
@@ -195,6 +215,7 @@ public:
     
     STREAM int sequenceNumber;
     STREAM QVariant submessage;
+    STREAM SharedObjectPointer state;
 };
 
 DECLARE_STREAMABLE_METATYPE(SequencedTestMessage)