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#ifndef NETWORK_TCP_HH
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#define NETWORK_TCP_HH
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#include <ClanLib/core.h>
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#include "NetworkSocket.hh"
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#include "NetworkAddress.hh"
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#include "NetworkPacket.hh"
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#include "Error.hh"
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const size_t NETWORK_TCP_CHUNK_SIZE = 1024;
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const size_t NETWORK_TCP_INITIAL_IN_BUF = 4096;
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const size_t NETWORK_TCP_INITIAL_OUT_BUF = 0;
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class NetworkDisconnectError : public Error {
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public:
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NetworkDisconnectError (const std::string &message) : Error(message) { }
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};
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class NetworkBufferError : public Error {
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public:
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NetworkBufferError (const std::string &message) : Error(message) { }
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};
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class NetworkBuffer {
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private:
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NetworkSocket &socket;
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char *buf;
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size_t size, offset;
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public:
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NetworkBuffer (NetworkSocket &socket, size_t size_hint);
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~NetworkBuffer (void);
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private:
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NetworkBuffer (const NetworkBuffer ©);
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NetworkBuffer& operator= (const NetworkBuffer ©);
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void resize (size_t item_size);
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void trim (size_t prefix_size);
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public:
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void push_write (char *buf_ptr, size_t buf_size);
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void flush_write (void);
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template <typename PrefixType> void write_prefix (char *buf, PrefixType prefix);
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bool try_read (size_t item_size);
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bool peek_prefix (uint16_t &ref);
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bool peek_prefix (uint32_t &ref);
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template <typename PrefixType> PrefixType read_prefix (char *buf_ptr, size_t buf_max);
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};
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class NetworkTCPTransport {
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protected:
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NetworkSocket socket;
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NetworkBuffer in, out;
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CL_SlotContainer slots;
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public:
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NetworkTCPTransport (NetworkSocket socket);
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private:
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void on_read (void);
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void on_write (void);
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void on_disconnected (void);
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CL_Signal_v1<const NetworkPacket &> _sig_packet;
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CL_Signal_v0 _sig_disconnect;
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public:
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NetworkAddress getRemoteAddress (void) { return socket.get_dest_address(); }
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void write_packet (const NetworkPacket &packet);
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CL_Signal_v1<const NetworkPacket&>& sig_packet (void) { return _sig_packet; }
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CL_Signal_v0& sig_disconnect (void) { return _sig_disconnect; }
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};
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class NetworkTCPServer {
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private:
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NetworkSocket socket;
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CL_SlotContainer slots;
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public:
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NetworkTCPServer (const NetworkAddress &listen_addr);
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private:
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void on_accept (void);
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CL_Signal_v1<NetworkTCPTransport *> _sig_client;
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protected:
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virtual NetworkTCPTransport* buildTransport (CL_Socket &socket);
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public:
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CL_Signal_v1<NetworkTCPTransport *>& sig_client (void) { return _sig_client; }
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};
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class NetworkTCPClient : public NetworkTCPTransport {
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public:
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NetworkTCPClient (const NetworkAddress &connect_addr);
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};
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#endif /* NETWORK_TCP_HH */
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