void Connection::processReadyRead()
{
if (state == WaitingForGreeting)
{
if (!readProtocolHeader())
return;
if (currentDataType != Greeting)
{
abort();
return;
}
state = ReadingGreeting;
}
if (state == ReadingGreeting)
{
if (!hasEnoughData())
return;
buffer = read(numBytesForCurrentDataType);
if (buffer.size() != numBytesForCurrentDataType)
{
abort();
return;
}
username = QString(buffer) + '@' + peerAddress().toString() + ':' + QString::number(peerPort());
currentDataType = Undefined;
numBytesForCurrentDataType = 0;
buffer.clear();
if (!isValid())
{
abort();
return;
}
if (!isGreetingMessageSent)
sendGreetingMessage();
pingTimer.start();
pongTime.start();
state = ReadyForUse;
emit readyForUse();
}
do
{
if (currentDataType == Undefined)
{
if (!readProtocolHeader())
return;
}
if (!hasEnoughData())
return;
processData();
} while (bytesAvailable() > 0);
}
void Connection::processReadyRead()
{
if(!isValid()) {
abort();
return;
}
do {
if(m_currentDataType == Undefined) {
if(!readProtocolHeader())
return;
}
if(!hasEnoughData())
return;
processData();
} while(bytesAvailable() > 0);
}
void DkConnection::readWhileBytesAvailable() {
do {
if (mCurrentDataType == Undefined) {
if (readDataIntoBuffer() <= 0)
return;
if (!readProtocolHeader())
return;
checkState();
}
if (!hasEnoughData()) {
return;
}
mBuffer = read(mNumBytesForCurrentDataType);
if (mBuffer.size() != mNumBytesForCurrentDataType) {
abort();
return;
}
processData();
} while (bytesAvailable() > 0);
}
void DkConnection::checkState() {
if (mState == WaitingForGreeting) {
if (mCurrentDataType != Greeting) {
abort();
return;
}
if (!hasEnoughData())
return;
mBuffer = read(mNumBytesForCurrentDataType);
if (mBuffer.size() != mNumBytesForCurrentDataType) {
abort();
return;
}
if (!isValid()) {
abort();
return;
}
if (!mIsGreetingMessageSent)
sendGreetingMessage(mCurrentTitle);
mState = ReadyForUse;
mPortOfPeer = peerPort(); // save peer port ... otherwise connections where this instance is server can not be removed from peerList
readGreetingMessage();
mBuffer.clear();
mNumBytesForCurrentDataType = 0;
mCurrentDataType = Undefined;
return;
}
if (mState==ReadyForUse && mCurrentDataType == startSynchronize) {
if (!hasEnoughData())
return;
mBuffer = read(mNumBytesForCurrentDataType);
if (mBuffer.size() != mNumBytesForCurrentDataType) {
abort();
return;
}
QDataStream ds(mBuffer);
QList<quint16> synchronizedPeersOfOtherInstance;
quint16 numberOfSynchronizedPeers;
ds >> numberOfSynchronizedPeers;
//qDebug() << "other client is sychronized with: ";
for (int i=0; i < numberOfSynchronizedPeers; i++) {
quint16 peerId;
ds >> peerId;
synchronizedPeersOfOtherInstance.push_back(peerId);
//qDebug() << peerId;
}
mCurrentDataType = Undefined;
mNumBytesForCurrentDataType = 0;
mBuffer.clear();
if (!isValid()) {
abort();
return;
}
mState = Synchronized;
if (!mIsSynchronizeMessageSent)
sendStartSynchronizeMessage();
mSynchronizedTimer->stop();
emit connectionStartSynchronize(synchronizedPeersOfOtherInstance, this);
return;
}
if (mState==Synchronized && mCurrentDataType == stopSynchronize) {
mState=ReadyForUse;
this->mIsSynchronizeMessageSent=false;
emit connectionStopSynchronize(this);
mBuffer = read(mNumBytesForCurrentDataType);
if (mBuffer.size() != mNumBytesForCurrentDataType) {
abort();
return;
}
mCurrentDataType = Undefined;
mNumBytesForCurrentDataType = 0;
mBuffer.clear();
return;
}
if (mCurrentDataType == GoodBye) {
//qDebug() << "received GoodBye from " << peerAddress() << ":" << peerPort();
emit connectionGoodBye(this);
mCurrentDataType = Undefined;
mNumBytesForCurrentDataType = 0;
mBuffer.clear();
abort();
return;
}
}
