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acks and resends

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orignal 2014-08-10 18:27:23 -04:00
parent e7126908f9
commit f8ced20d1c
2 changed files with 72 additions and 8 deletions
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9
Streaming.h
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@ -36,6 +36,7 @@ namespace stream
const size_t STREAMING_MTU = 1730;
const size_t MAX_PACKET_SIZE = 4096;
const size_t COMPRESSION_THRESHOLD_SIZE = 66;
const int RESEND_TIMEOUT = 10; // in seconds
struct Packet
{
@ -58,6 +59,7 @@ namespace stream
const uint8_t * GetPayload () const { return GetOptionData () + GetOptionSize (); };
bool IsSYN () const { return GetFlags () & PACKET_FLAG_SYNCHRONIZE; };
bool IsNoAck () const { return GetFlags () & PACKET_FLAG_NO_ACK; };
};
struct PacketCmp
@ -102,6 +104,7 @@ namespace stream
void SavePacket (Packet * packet);
void ProcessPacket (Packet * packet);
void ProcessAck (Packet * packet);
size_t ConcatenatePackets (uint8_t * buf, size_t len);
void UpdateCurrentRemoteLease ();
@ -109,6 +112,9 @@ namespace stream
template<typename Buffer, typename ReceiveHandler>
void HandleReceiveTimer (const boost::system::error_code& ecode, const Buffer& buffer, ReceiveHandler handler);
void ScheduleResend ();
void HandleResendTimer (const boost::system::error_code& ecode);
private:
boost::asio::io_service& m_Service;
@ -121,7 +127,8 @@ namespace stream
i2p::data::Lease m_CurrentRemoteLease;
std::queue<Packet *> m_ReceiveQueue;
std::set<Packet *, PacketCmp> m_SavedPackets;
boost::asio::deadline_timer m_ReceiveTimer;
std::set<Packet *, PacketCmp> m_SentPackets;
boost::asio::deadline_timer m_ReceiveTimer, m_ResendTimer;
};
class StreamingDestination: public i2p::data::LocalDestination