X-Git-Url: http://git.tdb.fi/?p=libs%2Fnet.git;a=blobdiff_plain;f=source%2Fnet%2Fcommunicator.cpp;h=3d6353a2158fb2d62fbe6df164085a1b2ea7a417;hp=618e8b45e9e295f01fc4948ef19daecd56f51242;hb=2dfa05663dd67d4d7c68f96df0b1ab733b2063c2;hpb=a0b7f9bcf0654a7a3f24bac95746ac587b71986b diff --git a/source/net/communicator.cpp b/source/net/communicator.cpp index 618e8b4..3d6353a 100644 --- a/source/net/communicator.cpp +++ b/source/net/communicator.cpp @@ -1,5 +1,6 @@ #include #include "communicator.h" +#include "streamsocket.h" using namespace std; @@ -9,7 +10,7 @@ using namespace Msp::Net; struct Handshake { - unsigned hash; + Msp::UInt64 hash; }; @@ -29,11 +30,11 @@ HandshakeProtocol::HandshakeProtocol(): class HandshakeReceiver: public PacketReceiver { private: - unsigned hash; + Msp::UInt64 hash; public: HandshakeReceiver(); - unsigned get_hash() const { return hash; } + Msp::UInt64 get_hash() const { return hash; } virtual void receive(const Handshake &); }; @@ -57,7 +58,7 @@ Communicator::Communicator(StreamSocket &s, const Protocol &p, ReceiverBase &r): protocol(p), receiver(r), handshake_status(0), - buf_size(1024), + buf_size(65536), in_buf(new char[buf_size]), in_begin(in_buf), in_end(in_buf), @@ -82,6 +83,26 @@ void Communicator::initiate_handshake() handshake_status = 1; } +void Communicator::send_data(unsigned size) +{ + if(!good) + throw sequence_error("connection aborted"); + if(handshake_status!=2) + throw sequence_error("handshake incomplete"); + + try + { + socket.write(out_buf, size); + } + catch(const std::exception &e) + { + good = false; + if(signal_error.empty()) + throw; + signal_error.emit(e); + } +} + void Communicator::data_available() { if(!good) @@ -95,24 +116,23 @@ void Communicator::data_available() while(more) { if(handshake_status==2) - { more = receive_packet(protocol, receiver); - } else { HandshakeProtocol hsproto; HandshakeReceiver hsrecv; if((more = receive_packet(hsproto, hsrecv))) { + if(handshake_status==0) + send_handshake(); + if(hsrecv.get_hash()==protocol.get_hash()) { - if(handshake_status==0) - send_handshake(); handshake_status = 2; signal_handshake_done.emit(); } else - good = false; + throw incompatible_protocol("hash mismatch"); } } } @@ -133,7 +153,7 @@ bool Communicator::receive_packet(const Protocol &proto, ReceiverBase &recv) { char *pkt = in_begin; in_begin += psz; - proto.disassemble(recv, pkt, psz); + proto.dispatch(recv, pkt, psz); return true; } else @@ -155,7 +175,7 @@ void Communicator::send_handshake() shake.hash = protocol.get_hash(); HandshakeProtocol hsproto; - unsigned size = hsproto.assemble(shake, out_buf, buf_size); + unsigned size = hsproto.serialize(shake, out_buf, buf_size); socket.write(out_buf, size); }