From 9f1e496fa414a24666d1e33649a9c5a25f05195c Mon Sep 17 00:00:00 2001 From: orignal Date: Tue, 7 Oct 2014 14:06:50 -0400 Subject: [PATCH] create data message inside detination --- Destination.cpp | 42 +++++++++++++++++++++--------------------- Destination.h | 9 ++++----- Streaming.cpp | 2 +- 3 files changed, 26 insertions(+), 27 deletions(-) diff --git a/Destination.cpp b/Destination.cpp index c2a8913f..732bfd2b 100644 --- a/Destination.cpp +++ b/Destination.cpp @@ -197,6 +197,27 @@ namespace stream LogPrint ("Data: unexpected protocol ", buf[9]); } + I2NPMessage * StreamingDestination::CreateDataMessage (const uint8_t * payload, size_t len) + { + I2NPMessage * msg = NewI2NPShortMessage (); + CryptoPP::Gzip compressor; // DEFAULT_DEFLATE_LEVEL + if (len <= COMPRESSION_THRESHOLD_SIZE) + compressor.SetDeflateLevel (CryptoPP::Gzip::MIN_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] = 6; // streaming protocol + msg->len += size + 4; + FillI2NPMessageHeader (msg, eI2NPData); + + return msg; + } + void StreamingDestination::SetLeaseSetUpdated () { UpdateLeaseSet (); @@ -385,26 +406,5 @@ namespace stream { return destinations; } - - I2NPMessage * CreateDataMessage (Stream * s, const uint8_t * payload, size_t len) - { - I2NPMessage * msg = NewI2NPShortMessage (); - CryptoPP::Gzip compressor; // DEFAULT_DEFLATE_LEVEL - if (len <= COMPRESSION_THRESHOLD_SIZE) - compressor.SetDeflateLevel (CryptoPP::Gzip::MIN_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] = 6; // streaming protocol - msg->len += size + 4; - FillI2NPMessageHeader (msg, eI2NPData); - - return msg; - } } } diff --git a/Destination.h b/Destination.h index 3c69a40c..c9f36d5d 100644 --- a/Destination.h +++ b/Destination.h @@ -33,14 +33,16 @@ namespace stream bool IsAcceptorSet () const { return m_Acceptor != nullptr; }; void HandleNextPacket (Packet * packet); void SendTunnelDataMsgs (const std::vector& msgs); + void ResetCurrentOutboundTunnel () { m_CurrentOutboundTunnel = nullptr; }; + // I2CP + void HandleDataMessage (const uint8_t * buf, size_t len); + I2NPMessage * CreateDataMessage (const uint8_t * payload, size_t len); // implements LocalDestination const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; }; const uint8_t * GetEncryptionPrivateKey () const { return m_EncryptionPrivateKey; }; const uint8_t * GetEncryptionPublicKey () const { return m_EncryptionPublicKey; }; void SetLeaseSetUpdated (); - void HandleDataMessage (const uint8_t * buf, size_t len); - void ResetCurrentOutboundTunnel () { m_CurrentOutboundTunnel = nullptr; }; private: @@ -117,9 +119,6 @@ namespace stream StreamingDestination * LoadLocalDestination (const std::string& filename, bool isPublic); // for HTTP const StreamingDestinations& GetLocalDestinations (); - - // assuming data is I2CP message - I2NPMessage * CreateDataMessage (Stream * s, const uint8_t * payload, size_t len); } } diff --git a/Streaming.cpp b/Streaming.cpp index 0c43220e..6e3bf260 100644 --- a/Streaming.cpp +++ b/Streaming.cpp @@ -426,7 +426,7 @@ namespace stream for (auto it: packets) { auto msg = m_RoutingSession->WrapSingleMessage ( - CreateDataMessage (this, it->GetBuffer (), it->GetLength ()), + m_LocalDestination.CreateDataMessage (it->GetBuffer (), it->GetLength ()), leaseSet); msgs.push_back (i2p::tunnel::TunnelMessageBlock {