X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fnet%2Fcommunicator.h;h=62521ee8926346fed24dabccc9a7af3189efff39;hb=6df110603b3a1248f52741e9d68d0bd032171b60;hp=8530db128d26c5d168d99fb0af34e7c874484ffc;hpb=50e9f9ea7f7385a2c5931fca2b8fb1103078e67c;p=libs%2Fnet.git

diff --git a/source/net/communicator.h b/source/net/communicator.h
index 8530db1..62521ee 100644
--- a/source/net/communicator.h
+++ b/source/net/communicator.h
@@ -1,17 +1,24 @@
 #ifndef MSP_NET_COMMUNICATOR_H_
 #define MSP_NET_COMMUNICATOR_H_
 
+#include <sigc++/signal.h>
 #include "protocol.h"
-#include "streamsocket.h"
 
 namespace Msp {
 namespace Net {
 
+class StreamSocket;
+
 class sequence_error: public std::logic_error
 {
 public:
 	sequence_error(const std::string &w): std::logic_error(w) { }
-	virtual ~sequence_error() throw() { }
+};
+
+class incompatible_protocol: public std::runtime_error
+{
+public:
+	incompatible_protocol(const std::string &w): std::runtime_error(w) { }
 };
 
 
@@ -19,13 +26,14 @@ class Communicator
 {
 public:
 	sigc::signal<void> signal_handshake_done;
+	sigc::signal<void, const std::exception &> signal_error;
 
 private:
 	StreamSocket &socket;
 	const Protocol &protocol;
 	ReceiverBase &receiver;
 	int handshake_status;
-	unsigned buf_size;
+	std::size_t buf_size;
 	char *in_buf;
 	char *in_begin;
 	char *in_end;
@@ -40,22 +48,22 @@ public:
 	bool is_handshake_done() const { return handshake_status==2; }
 
 	template<typename P>
-	void send(const P &pkt)
-	{
-		if(!good)
-			throw sequence_error("connection aborted");
-		if(handshake_status!=2)
-			throw sequence_error("handshaking not done");
-		unsigned size = protocol.assemble(pkt, out_buf, buf_size);
-		socket.write(out_buf, size);
-	}
+	void send(const P &);
 
 private:
+	void send_data(std::size_t);
+
 	void data_available();
 	bool receive_packet(const Protocol &, ReceiverBase &);
 	void send_handshake();
 };
 
+template<typename P>
+void Communicator::send(const P &pkt)
+{
+	send_data(protocol.serialize(pkt, out_buf, buf_size));
+}
+
 } // namespace Net
 } // namespace Msp