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increase max packet size

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orignal 2014-08-06 19:19:59 -04:00
parent 1ea26a113a
commit e0e27047f9
2 changed files with 20 additions and 21 deletions
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36
Streaming.cpp
View file

@ -19,7 +19,7 @@ namespace stream
{ {
Stream::Stream (boost::asio::io_service& service, StreamingDestination * local, Stream::Stream (boost::asio::io_service& service, StreamingDestination * local,
const i2p::data::LeaseSet& remote): m_Service (service), m_SendStreamID (0), const i2p::data::LeaseSet& remote): m_Service (service), m_SendStreamID (0),
m_SequenceNumber (0), m_LastReceivedSequenceNumber (0), m_IsOpen (false), m_SequenceNumber (0), m_LastReceivedSequenceNumber (-1), m_IsOpen (false),
m_IsOutgoing(true), m_LeaseSetUpdated (true), m_LocalDestination (local), m_IsOutgoing(true), m_LeaseSetUpdated (true), m_LocalDestination (local),
m_RemoteLeaseSet (&remote), m_ReceiveTimer (m_Service) m_RemoteLeaseSet (&remote), m_ReceiveTimer (m_Service)
{ {
@ -28,7 +28,7 @@ namespace stream
} }
Stream::Stream (boost::asio::io_service& service, StreamingDestination * local): Stream::Stream (boost::asio::io_service& service, StreamingDestination * local):
m_Service (service), m_SendStreamID (0), m_SequenceNumber (0), m_LastReceivedSequenceNumber (0), m_Service (service), m_SendStreamID (0), m_SequenceNumber (0), m_LastReceivedSequenceNumber (-1),
m_IsOpen (true), m_IsOutgoing(true), m_LeaseSetUpdated (true), m_LocalDestination (local), m_IsOpen (true), m_IsOutgoing(true), m_LeaseSetUpdated (true), m_LocalDestination (local),
m_RemoteLeaseSet (nullptr), m_ReceiveTimer (m_Service) m_RemoteLeaseSet (nullptr), m_ReceiveTimer (m_Service)
{ {
@ -53,7 +53,7 @@ namespace stream
if (!m_SendStreamID) if (!m_SendStreamID)
m_SendStreamID = packet->GetReceiveStreamID (); m_SendStreamID = packet->GetReceiveStreamID ();
uint32_t receivedSeqn = packet->GetSeqn (); int32_t receivedSeqn = packet->GetSeqn ();
if (!receivedSeqn && !packet->IsSYN ()) if (!receivedSeqn && !packet->IsSYN ())
{ {
// plain ack // plain ack
@ -63,7 +63,7 @@ namespace stream
} }
LogPrint ("Received seqn=", receivedSeqn); LogPrint ("Received seqn=", receivedSeqn);
if (!receivedSeqn || receivedSeqn == m_LastReceivedSequenceNumber + 1) if (receivedSeqn == m_LastReceivedSequenceNumber + 1)
{ {
// we have received next in sequence message // we have received next in sequence message
ProcessPacket (packet); ProcessPacket (packet);
@ -71,7 +71,7 @@ namespace stream
// we should also try stored messages if any // we should also try stored messages if any
for (auto it = m_SavedPackets.begin (); it != m_SavedPackets.end ();) for (auto it = m_SavedPackets.begin (); it != m_SavedPackets.end ();)
{ {
if ((*it)->GetSeqn () == m_LastReceivedSequenceNumber + 1) if ((*it)->GetSeqn () == (uint32_t)(m_LastReceivedSequenceNumber + 1))
{ {
Packet * savedPacket = *it; Packet * savedPacket = *it;
m_SavedPackets.erase (it++); m_SavedPackets.erase (it++);
@ -123,26 +123,24 @@ namespace stream
LogPrint ("Synchronize"); LogPrint ("Synchronize");
} }
if (flags & PACKET_FLAG_DELAY_REQUESTED)
{
optionData += 2;
}
if (flags & PACKET_FLAG_FROM_INCLUDED) if (flags & PACKET_FLAG_FROM_INCLUDED)
{ {
LogPrint ("From identity"); optionData += m_RemoteIdentity.FromBuffer (optionData, i2p::data::DEFAULT_IDENTITY_SIZE);
optionData += m_RemoteIdentity.FromBuffer (optionData, packet->GetOptionSize ()); LogPrint ("From identity ", m_RemoteIdentity.Hash ().ToBase64 ());
if (m_RemoteLeaseSet) if (!m_RemoteLeaseSet)
{
if (m_RemoteIdentity.Hash () != m_RemoteLeaseSet->GetIdentHash ()) // check recieved identity
{
LogPrint ("Unexpected identity ", m_RemoteIdentity.Hash ().ToBase64 (), " ", m_RemoteLeaseSet->GetIdentHash ().ToBase64 (), " expected");
m_RemoteLeaseSet = nullptr;
}
}
else
LogPrint ("Incoming stream from ", m_RemoteIdentity.Hash ().ToBase64 ()); LogPrint ("Incoming stream from ", m_RemoteIdentity.Hash ().ToBase64 ());
optionData += sizeof (i2p::data::Identity); optionData += i2p::data::DEFAULT_IDENTITY_SIZE;
} }
if (flags & PACKET_FLAG_MAX_PACKET_SIZE_INCLUDED) if (flags & PACKET_FLAG_MAX_PACKET_SIZE_INCLUDED)
{ {
LogPrint ("Max packet size"); uint16_t maxPacketSize = htobe16 (*(uint16_t *)optionData);
LogPrint ("Max packet size ", maxPacketSize);
optionData += 2; optionData += 2;
} }
@ -633,7 +631,7 @@ namespace stream
uncompressed->len = decompressor.MaxRetrievable (); uncompressed->len = decompressor.MaxRetrievable ();
if (uncompressed->len > MAX_PACKET_SIZE) if (uncompressed->len > MAX_PACKET_SIZE)
{ {
LogPrint ("Recieved packet size exceeds mac packet size"); LogPrint ("Received packet size ", uncompressed->len, " exceeds max packet size");
uncompressed->len = MAX_PACKET_SIZE; uncompressed->len = MAX_PACKET_SIZE;
} }
decompressor.Get (uncompressed->buf, uncompressed->len); decompressor.Get (uncompressed->buf, uncompressed->len);

5
Streaming.h
View file

@ -34,7 +34,7 @@ namespace stream
const uint16_t PACKET_FLAG_NO_ACK = 0x0400; const uint16_t PACKET_FLAG_NO_ACK = 0x0400;
const size_t STREAMING_MTU = 1730; const size_t STREAMING_MTU = 1730;
const size_t MAX_PACKET_SIZE = 1754; const size_t MAX_PACKET_SIZE = 4096;
struct Packet struct Packet
{ {
@ -111,7 +111,8 @@ namespace stream
private: private:
boost::asio::io_service& m_Service; boost::asio::io_service& m_Service;
uint32_t m_SendStreamID, m_RecvStreamID, m_SequenceNumber, m_LastReceivedSequenceNumber; uint32_t m_SendStreamID, m_RecvStreamID, m_SequenceNumber;
int32_t m_LastReceivedSequenceNumber;
bool m_IsOpen, m_IsOutgoing, m_LeaseSetUpdated; bool m_IsOpen, m_IsOutgoing, m_LeaseSetUpdated;
StreamingDestination * m_LocalDestination; StreamingDestination * m_LocalDestination;
i2p::data::Identity m_RemoteIdentity; i2p::data::Identity m_RemoteIdentity;