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moved Data payload processing to StreamingDestination

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orignal 2014-10-22 15:01:30 -04:00
parent b11877d002
commit 3da35c592f
4 changed files with 60 additions and 51 deletions
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47
Streaming.cpp
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@ -1,3 +1,4 @@
#include <cryptopp/gzip.h>
#include "Log.h"
#include "RouterInfo.h"
#include "RouterContext.h"
@ -441,7 +442,7 @@ namespace stream
for (auto it: packets)
{
auto msg = m_RoutingSession->WrapSingleMessage (
m_LocalDestination.GetOwner ().CreateDataMessage (it->GetBuffer (), it->GetLength ()));
m_LocalDestination.CreateDataMessage (it->GetBuffer (), it->GetLength ()));
msgs.push_back (i2p::tunnel::TunnelMessageBlock
{
i2p::tunnel::eDeliveryTypeTunnel,
@ -606,6 +607,50 @@ namespace stream
}
}
void StreamingDestination::HandleDataMessagePayload (const uint8_t * buf, size_t len)
{
// unzip it
CryptoPP::Gunzip decompressor;
decompressor.Put (buf, len);
decompressor.MessageEnd();
Packet * uncompressed = new Packet;
uncompressed->offset = 0;
uncompressed->len = decompressor.MaxRetrievable ();
if (uncompressed->len <= MAX_PACKET_SIZE)
{
decompressor.Get (uncompressed->buf, uncompressed->len);
HandleNextPacket (uncompressed);
}
else
{
LogPrint ("Received packet size ", uncompressed->len, " exceeds max packet size. Skipped");
delete uncompressed;
}
}
I2NPMessage * StreamingDestination::CreateDataMessage (const uint8_t * payload, size_t len)
{
I2NPMessage * msg = NewI2NPShortMessage ();
CryptoPP::Gzip compressor;
if (len <= i2p::stream::COMPRESSION_THRESHOLD_SIZE)
compressor.SetDeflateLevel (CryptoPP::Gzip::MIN_DEFLATE_LEVEL);
else
compressor.SetDeflateLevel (CryptoPP::Gzip::DEFAULT_DEFLATE_LEVEL);
compressor.Put (payload, len);
compressor.MessageEnd();
int size = compressor.MaxRetrievable ();
uint8_t * buf = msg->GetPayload ();
*(uint32_t *)buf = htobe32 (size); // length
buf += 4;
compressor.Get (buf, size);
memset (buf + 4, 0, 4); // source and destination ports. TODO: fill with proper values later
buf[9] = i2p::client::PROTOCOL_TYPE_STREAMING; // streaming protocol
msg->len += size + 4;
FillI2NPMessageHeader (msg, eI2NPData);
return msg;
}
void DeleteStream (Stream * stream)
{
if (stream)