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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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56
Destination.cpp
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@ -1,7 +1,6 @@
#include <fstream>
#include <algorithm>
#include <cryptopp/dh.h>
#include <cryptopp/gzip.h>
#include "Log.h"
#include "util.h"
#include "NetDb.h"
@ -244,51 +243,16 @@ namespace client
uint32_t length = be32toh (*(uint32_t *)buf);
buf += 4;
// we assume I2CP payload
if (buf[9] == PROTOCOL_TYPE_STREAMING && m_StreamingDestination) // streaming protocol
{
// unzip it
CryptoPP::Gunzip decompressor;
decompressor.Put (buf, length);
decompressor.MessageEnd();
i2p::stream::Packet * uncompressed = new i2p::stream::Packet;
uncompressed->offset = 0;
uncompressed->len = decompressor.MaxRetrievable ();
if (uncompressed->len <= i2p::stream::MAX_PACKET_SIZE)
{
decompressor.Get (uncompressed->buf, uncompressed->len);
m_StreamingDestination->HandleNextPacket (uncompressed);
}
else
{
LogPrint ("Received packet size ", uncompressed->len, " exceeds max packet size. Skipped");
delete uncompressed;
}
}
else
LogPrint ("Data: unexpected protocol ", buf[9]);
}
I2NPMessage * ClientDestination::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] = PROTOCOL_TYPE_STREAMING; // streaming protocol. TODO:
msg->len += size + 4;
FillI2NPMessageHeader (msg, eI2NPData);
return msg;
switch (buf[9])
{
case PROTOCOL_TYPE_STREAMING:
// streaming protocol
if (m_StreamingDestination)
m_StreamingDestination->HandleDataMessagePayload (buf, length);
break;
default:
LogPrint ("Data: unexpected protocol ", buf[9]);
}
}
i2p::stream::Stream * ClientDestination::CreateStream (const i2p::data::LeaseSet& remote)