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orignal 2018-12-03 14:51:27 -05:00
parent 95ab68acd1
commit 089cbbc20a
2 changed files with 42 additions and 1 deletions
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37
libi2pd/NTCP2.cpp
View file

@ -1023,6 +1023,41 @@ namespace transport
void NTCP2Session::SendQueue ()
{
if (!m_SendQueue.empty ())
{
auto buf = m_Server.NewNTCP2FrameBuffer ();
uint8_t * payload = buf->data ();
size_t s = 0;
// add I2NP blocks
while (!m_SendQueue.empty ())
{
auto msg = m_SendQueue.front ();
size_t len = msg->GetNTCP2Length ();
if (s + len + 3 <= NTCP2_UNENCRYPTED_FRAME_MAX_SIZE) // 3 bytes block header
{
payload[s] = eNTCP2BlkI2NPMessage; // blk
htobe16buf (payload + s + 1, len); // size
s += 3;
msg->ToNTCP2 ();
memcpy (payload + s, msg->GetNTCP2Header (), len);
s += len;
m_SendQueue.pop_front ();
}
else if (len + 3 > NTCP2_UNENCRYPTED_FRAME_MAX_SIZE)
{
LogPrint (eLogError, "NTCP2: I2NP message of size ", len, " can't be sent. Dropped");
m_SendQueue.pop_front ();
}
else
break;
}
// add padding block
s += CreatePaddingBlock (s, payload + s, NTCP2_UNENCRYPTED_FRAME_MAX_SIZE - s);
// send
SendNextFrame (payload, s);
m_Server.DeleteNTCP2FrameBuffer (buf);
}
/* if (!m_SendQueue.empty ())
{
std::vector<std::shared_ptr<I2NPMessage> > msgs;
size_t s = 0;
@ -1045,7 +1080,7 @@ namespace transport
break;
}
SendI2NPMsgs (msgs);
}
} */
}
size_t NTCP2Session::CreatePaddingBlock (size_t msgLen, uint8_t * buf, size_t len)

6
libi2pd/NTCP2.h
View file

@ -217,6 +217,7 @@ namespace transport
std::list<std::shared_ptr<I2NPMessage> > m_SendQueue;
};
typedef std::array<uint8_t, NTCP2_UNENCRYPTED_FRAME_MAX_SIZE> NTCP2FrameBuffer; // TODO: remove
class NTCP2Server
{
public:
@ -235,6 +236,9 @@ namespace transport
void Connect(const boost::asio::ip::address & address, uint16_t port, std::shared_ptr<NTCP2Session> conn);
NTCP2FrameBuffer * NewNTCP2FrameBuffer () { return m_NTCP2FrameBuffersPool.Acquire(); }
void DeleteNTCP2FrameBuffer (NTCP2FrameBuffer * buf) { return m_NTCP2FrameBuffersPool.Release(buf); }
private:
void Run ();
@ -258,6 +262,8 @@ namespace transport
std::map<i2p::data::IdentHash, std::shared_ptr<NTCP2Session> > m_NTCP2Sessions;
std::list<std::shared_ptr<NTCP2Session> > m_PendingIncomingSessions;
i2p::util::MemoryPool<NTCP2FrameBuffer> m_NTCP2FrameBuffersPool; // TODO: remove
public:
// for HTTP/I2PControl