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Added SendQueue::getNextSeqNum

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This commit is contained in:
Atlante45 2015-07-28 14:16:09 -07:00
parent 8a474ac20a
commit f53637f19e
2 changed files with 18 additions and 6 deletions
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15
libraries/networking/src/udt/SendQueue.cpp
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@ -80,8 +80,10 @@ void SendQueue::stop() {
_running = false;
}
void SendQueue::sendPacket(const BasePacket& packet) {
_socket->writeUnreliablePacket(packet, _destination);
void SendQueue::sendPacket(const Packet& packet) {
if (_socket) {
_socket->writePacket(packet, _destination);
}
}
void SendQueue::ack(SequenceNumber ack) {
@ -121,6 +123,11 @@ void SendQueue::nak(std::list<SequenceNumber> naks) {
_naks.splice(_naks.end(), naks); // Add naks at the end
}
SequenceNumber SendQueue::getNextSequenceNumber() {
_atomicCurrentSequenceNumber = (SequenceNumber::Type)++_currentSequenceNumber;
return _currentSequenceNumber;
}
void SendQueue::sendNextPacket() {
if (!_running) {
return;
@ -131,9 +138,9 @@ void SendQueue::sendNextPacket() {
_lastSendTimestamp = sendTime;
if (_nextPacket) {
_nextPacket->setSequenceNumber(++_currentSequenceNumber);
// Write packet's sequence number and send it off
_nextPacket->setSequenceNumber(getNextSequenceNumber());
sendPacket(*_nextPacket);
_atomicCurrentSequenceNumber.store((uint32_t) _currentSequenceNumber);
// Insert the packet we have just sent in the sent list
QWriteLocker locker(&_sentLock);

9
libraries/networking/src/udt/SendQueue.h
View file

@ -50,7 +50,6 @@ public:
public slots:
void start();
void stop();
void sendPacket(const BasePacket& packet);
void ack(SequenceNumber ack);
void nak(std::list<SequenceNumber> naks);
@ -66,15 +65,21 @@ private:
SendQueue(SendQueue&& other) = delete;
~SendQueue();
// Increments current sequence number and return it
SequenceNumber getNextSequenceNumber();
// Send a packet through the socket
void sendPacket(const Packet& packet);
mutable QReadWriteLock _packetsLock; // Protects the packets to be sent list.
std::list<std::unique_ptr<Packet>> _packets; // List of packets to be sent
std::unique_ptr<Packet> _nextPacket; // Next packet to be sent
Socket* _socket { nullptr }; // Socket to send packet on
HifiSockAddr _destination; // Destination addr
SequenceNumber _currentSequenceNumber; // Last sequence number sent out
SequenceNumber _lastAck; // Last ACKed sequence number
SequenceNumber _currentSequenceNumber; // Last sequence number sent out
std::atomic<uint32_t> _atomicCurrentSequenceNumber; // Atomic for last sequence number sent out
std::unique_ptr<QTimer> _sendTimer; // Send timer