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send Ack with 200 ms delay

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orignal 2014-10-10 11:53:27 -04:00
parent a0a0234d29
commit 70c3bf77a9
2 changed files with 32 additions and 10 deletions
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36
Streaming.cpp
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@ -12,9 +12,10 @@ namespace stream
{
Stream::Stream (boost::asio::io_service& service, StreamingDestination& local,
const i2p::data::LeaseSet& remote): m_Service (service), m_SendStreamID (0),
m_SequenceNumber (0), m_LastReceivedSequenceNumber (-1), m_IsOpen (false),
m_IsReset (false), m_LocalDestination (local), m_RemoteLeaseSet (&remote),
m_RoutingSession (nullptr), m_ReceiveTimer (m_Service), m_ResendTimer (m_Service)
m_SequenceNumber (0), m_LastReceivedSequenceNumber (-1), m_IsOpen (false),
m_IsReset (false), m_IsAckSendScheduled (false), m_LocalDestination (local),
m_RemoteLeaseSet (&remote), m_RoutingSession (nullptr), m_ReceiveTimer (m_Service),
m_ResendTimer (m_Service), m_AckSendTimer (m_Service)
{
m_RecvStreamID = i2p::context.GetRandomNumberGenerator ().GenerateWord32 ();
UpdateCurrentRemoteLease ();
@ -22,15 +23,16 @@ namespace stream
Stream::Stream (boost::asio::io_service& service, StreamingDestination& local):
m_Service (service), m_SendStreamID (0), m_SequenceNumber (0), m_LastReceivedSequenceNumber (-1),
m_IsOpen (false), m_IsReset (false), m_LocalDestination (local),
m_RemoteLeaseSet (nullptr), m_RoutingSession (nullptr),
m_ReceiveTimer (m_Service), m_ResendTimer (m_Service)
m_IsOpen (false), m_IsReset (false), m_IsAckSendScheduled (false), m_LocalDestination (local),
m_RemoteLeaseSet (nullptr), m_RoutingSession (nullptr), m_ReceiveTimer (m_Service),
m_ResendTimer (m_Service), m_AckSendTimer (m_Service)
{
m_RecvStreamID = i2p::context.GetRandomNumberGenerator ().GenerateWord32 ();
}
Stream::~Stream ()
{
m_AckSendTimer.cancel ();
while (!m_ReceiveQueue.empty ())
{
auto packet = m_ReceiveQueue.front ();
@ -89,9 +91,17 @@ namespace stream
break;
}
// send ack for last message
// schedule ack for last message
if (m_IsOpen)
SendQuickAck ();
{
if (!m_IsAckSendScheduled)
{
m_IsAckSendScheduled = true;
m_AckSendTimer.expires_from_now (boost::posix_time::milliseconds(ACK_SEND_TIMEOUT));
m_AckSendTimer.async_wait (boost::bind (&Stream::HandleAckSendTimer,
this, boost::asio::placeholders::error));
}
}
else if (isSyn)
// we have to send SYN back to incoming connection
Send (nullptr, 0); // also sets m_IsOpen
@ -470,6 +480,16 @@ namespace stream
}
}
void Stream::HandleAckSendTimer (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
if (m_IsOpen)
SendQuickAck ();
}
m_IsAckSendScheduled = false;
}
void Stream::UpdateCurrentRemoteLease ()
{
if (!m_RemoteLeaseSet)