void NetInterface::startConnection(NetConnection *conn)
{
TNLAssert(conn->getConnectionState() == NetConnection::NotConnected, "Cannot start unless it is in the NotConnected state.");
addPendingConnection(conn);
conn->mConnectSendCount = 0;
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
sendConnectChallengeRequest(conn);
}
void NetInterface::checkTimeouts()
{
U32 time = Platform::getVirtualMilliseconds();
if(time > mLastTimeoutCheckTime + TimeoutCheckInterval)
{
for(U32 i = 0; i < mPendingConnections.size();)
{
NetConnection *pending = mPendingConnections[i];
if(pending->getConnectionState() == NetConnection::AwaitingChallengeResponse &&
time > pending->mConnectLastSendTime + ChallengeRetryTime)
{
if(pending->mConnectSendCount > ChallengeRetryCount)
{
pending->onConnectTimedOut();
removePendingConnection(pending);
pending->deleteObject();
continue;
}
else
sendConnectChallengeRequest(pending);
}
else if(pending->getConnectionState() == NetConnection::AwaitingConnectResponse &&
time > pending->mConnectLastSendTime + ConnectRetryTime)
{
if(pending->mConnectSendCount > ConnectRetryCount)
{
pending->onConnectTimedOut();
removePendingConnection(pending);
pending->deleteObject();
continue;
}
else
sendConnectRequest(pending);
}
i++;
}
mLastTimeoutCheckTime = time;
NetConnection *walk = NetConnection::getConnectionList();
while(walk)
{
NetConnection *next = walk->getNext();
if(walk->checkTimeout(time))
{
// this baddie timed out
walk->onTimedOut();
walk->deleteObject();
}
walk = next;
}
}
}
void NetInterface::startConnection(NetConnection *conn)
{
addPendingConnection(conn);
conn->mConnectionSendCount = 0;
conn->setConnectSequence(Platform::getVirtualMilliseconds());
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
// This is a the client side of the connection, so set the connection to
// server flag. We need to set this early so that if the connection times
// out, its onRemove() will handle the cleanup properly.
conn->setIsConnectionToServer();
// Everything set, so send off the request.
sendConnectChallengeRequest(conn);
}
void NetInterface::handleConnectReject(const Address &address, BitStream *stream)
{
Nonce nonce;
Nonce serverNonce;
nonce.read(stream);
serverNonce.read(stream);
NetConnection *conn = findPendingConnection(address);
if(!conn || (conn->getConnectionState() != NetConnection::AwaitingChallengeResponse &&
conn->getConnectionState() != NetConnection::AwaitingConnectResponse))
return;
ConnectionParameters &p = conn->getConnectionParameters();
if(p.mNonce != nonce || p.mServerNonce != serverNonce)
return;
NetConnection::TerminationReason reason = (NetConnection::TerminationReason) stream->readEnum(NetConnection::TerminationReasons);
char reasonStr[256];
stream->readString(reasonStr);
logprintf(LogConsumer::LogNetInterface, "Received Connect Reject - reason code %d (%s)", reason, reasonStr);
// If the reason is a bad puzzle solution, try once more with a new nonce
if(reason == NetConnection::ReasonPuzzle && !p.mPuzzleRetried)
{
p.mPuzzleRetried = true;
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
conn->mConnectSendCount = 0;
p.mNonce.getRandom(); // Generate new nonce
sendConnectChallengeRequest(conn);
return;
}
conn->setConnectionState(NetConnection::ConnectRejected);
conn->onConnectTerminated(reason, reasonStr);
removePendingConnection(conn);
}
void NetInterface::handleConnectReject(const Address &address, BitStream *stream)
{
Nonce nonce;
Nonce serverNonce;
nonce.read(stream);
serverNonce.read(stream);
NetConnection *conn = findPendingConnection(address);
if(!conn || (conn->getConnectionState() != NetConnection::AwaitingChallengeResponse &&
conn->getConnectionState() != NetConnection::AwaitingConnectResponse))
return;
ConnectionParameters &p = conn->getConnectionParameters();
if(p.mNonce != nonce || p.mServerNonce != serverNonce)
return;
char reason[256];
stream->readString(reason);
TNLLogMessageV(LogNetInterface, ("Received Connect Reject - reason %s", reason));
// if the reason is a bad puzzle solution, try once more with a
// new nonce.
if(!strcmp(reason, "Puzzle") && !p.mPuzzleRetried)
{
p.mPuzzleRetried = true;
conn->setConnectionState(NetConnection::AwaitingChallengeResponse);
conn->mConnectSendCount = 0;
p.mNonce.getRandom();
sendConnectChallengeRequest(conn);
return;
}
conn->setConnectionState(NetConnection::ConnectRejected);
conn->onConnectTerminated(NetConnection::ReasonRemoteHostRejectedConnection, reason);
removePendingConnection(conn);
}
void NetInterface::processConnections()
{
mCurrentTime = Platform::getRealMilliseconds();
mPuzzleManager.tick(mCurrentTime);
// first see if there are any delayed packets that need to be sent...
while(mSendPacketList && mSendPacketList->sendTime < getCurrentTime())
{
DelaySendPacket *next = mSendPacketList->nextPacket;
mSocket.sendto(mSendPacketList->remoteAddress,
mSendPacketList->packetData, mSendPacketList->packetSize);
free(mSendPacketList);
mSendPacketList = next;
}
NetObject::collapseDirtyList(); // collapse all the mask bits...
for(S32 i = 0; i < mConnectionList.size(); i++)
mConnectionList[i]->checkPacketSend(false, getCurrentTime());
if(getCurrentTime() > mLastTimeoutCheckTime + TimeoutCheckInterval)
{
for(S32 i = 0; i < mPendingConnections.size();)
{
NetConnection *pending = mPendingConnections[i];
if(pending->getConnectionState() == NetConnection::AwaitingChallengeResponse &&
getCurrentTime() > pending->mConnectLastSendTime + ChallengeRetryTime)
{
if(pending->mConnectSendCount > ChallengeRetryCount)
{
pending->setConnectionState(NetConnection::ConnectTimedOut);
pending->onConnectTerminated(NetConnection::ReasonTimedOut, "Timeout");
removePendingConnection(pending);
continue;
}
else
sendConnectChallengeRequest(pending);
}
else if(pending->getConnectionState() == NetConnection::AwaitingConnectResponse &&
getCurrentTime() > pending->mConnectLastSendTime + ConnectRetryTime)
{
if(pending->mConnectSendCount > ConnectRetryCount)
{
pending->setConnectionState(NetConnection::ConnectTimedOut);
pending->onConnectTerminated(NetConnection::ReasonTimedOut, "Timeout");
removePendingConnection(pending);
continue;
}
else
{
if(pending->getConnectionParameters().mIsArranged)
sendArrangedConnectRequest(pending);
else
sendConnectRequest(pending);
}
}
else if(pending->getConnectionState() == NetConnection::SendingPunchPackets &&
getCurrentTime() > pending->mConnectLastSendTime + PunchRetryTime)
{
if(pending->mConnectSendCount > PunchRetryCount)
{
pending->setConnectionState(NetConnection::ConnectTimedOut);
pending->onConnectTerminated(NetConnection::ReasonTimedOut, "Timeout");
removePendingConnection(pending);
continue;
}
else
sendPunchPackets(pending);
}
else if(pending->getConnectionState() == NetConnection::ComputingPuzzleSolution &&
getCurrentTime() > pending->mConnectLastSendTime + PuzzleSolutionTimeout)
{
pending->setConnectionState(NetConnection::ConnectTimedOut);
pending->onConnectTerminated(NetConnection::ReasonTimedOut, "Timeout");
removePendingConnection(pending);
}
i++;
}
mLastTimeoutCheckTime = getCurrentTime();
for(S32 i = 0; i < mConnectionList.size();)
{
if(mConnectionList[i]->checkTimeout(getCurrentTime()))
{
mConnectionList[i]->setConnectionState(NetConnection::TimedOut);
mConnectionList[i]->onConnectionTerminated(NetConnection::ReasonTimedOut, "Timeout");
removeConnection(mConnectionList[i]);
}
else
i++;
}
}
// check if we're trying to solve any client connection puzzles
for(S32 i = 0; i < mPendingConnections.size(); i++)
{
if(mPendingConnections[i]->getConnectionState() == NetConnection::ComputingPuzzleSolution)
{
continuePuzzleSolution(mPendingConnections[i]);
break;
}
}
}
