Method SendClose

libi2pd/Streaming.cpp:1363–1416

	}

	void Stream::SendClose ()
	{
		Packet * p = m_LocalDestination.NewPacket ();
		uint8_t * packet = p->GetBuffer ();
		size_t size = 0;
		htobe32buf (packet + size, m_SendStreamID);
		size += 4; // sendStreamID
		htobe32buf (packet + size, m_RecvStreamID);
		size += 4; // receiveStreamID
		htobe32buf (packet + size, m_SequenceNumber++);
		size += 4; // sequenceNum
		htobe32buf (packet + size, m_LastReceivedSequenceNumber >= 0 ? m_LastReceivedSequenceNumber : 0);
		size += 4; // ack Through
		packet[size] = 0;
		size++; // NACK count
		packet[size] = 0;
		size++; // resend delay
		uint16_t flags = PACKET_FLAG_CLOSE;
		if (!m_DontSign) flags |= PACKET_FLAG_SIGNATURE_INCLUDED;
		bool isOfflineSignature = m_LocalDestination.GetOwner ()->GetPrivateKeys ().IsOfflineSignature ();
		if (isOfflineSignature) flags |= PACKET_FLAG_OFFLINE_SIGNATURE;
		htobe16buf (packet + size, flags);
		size += 2; // flags
		if (m_DontSign)
		{
			memset (packet + size, 0, 2); // no options
			size += 2; // options size
		}
		else
		{
			if (isOfflineSignature)
			{
				const auto& offlineSignature = m_LocalDestination.GetOwner ()->GetPrivateKeys ().GetOfflineSignature ();
				memcpy (packet + size, offlineSignature.data (), offlineSignature.size ());
				size += offlineSignature.size (); // offline signature
			}
			size_t signatureLen = m_LocalDestination.GetOwner ()->GetPrivateKeys ().GetSignatureLen ();
			htobe16buf (packet + size, signatureLen); // signature only
			size += 2; // options size
			uint8_t * signature = packet + size;
			memset (packet + size, 0, signatureLen);
			size += signatureLen; // signature
			m_LocalDestination.GetOwner ()->Sign (packet, size, signature);
		}

		p->len = size;
		boost::asio::post (m_Service, std::bind (&Stream::SendPacket, shared_from_this (), p));
		if (m_RoutingSession)
		{
			int numSentPackets = m_RoutingSession->NumSentPackets ();
			m_RoutingSession->SetNumSentPackets (numSentPackets + 1);
		}
		LogPrint (eLogDebug, "Streaming: FIN sent, sSID=", m_SendStreamID);
	}

	size_t Stream::ConcatenatePackets (uint8_t * buf, size_t len)
	{