X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/b92547a5de3a3fb4f14a2bea4a4e776b8da3cb5c..abe01db4642ea70f5d925ddcfccc6c7bf9ff8fe9:/Server/src/receiver.cpp

diff --git a/Server/src/receiver.cpp b/Server/src/receiver.cpp
index 2a8e9bf..9133f85 100644
--- a/Server/src/receiver.cpp
+++ b/Server/src/receiver.cpp
@@ -26,6 +26,7 @@
 //
 
 #include "plaqui/server/receiver.h"
+#include <sstream>
 #ifdef DEBUG
 #	include <iostream>
 #endif // DEBUG
@@ -36,36 +37,71 @@ namespace PlaQui {
 
 namespace Server {
 
+const string Receiver::FRAME_BEGIN("<plantstatus");
+
+const string Receiver::FRAME_END("</plantstatus>");
+
 Receiver::~Receiver(void) {
 #ifdef DEBUG
-	cerr << __FILE__ << ": destructor." << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<< ": destructor." << endl;
 #endif // DEBUG
 }
 
-Receiver::Receiver(int port, string host):
-		ServerConnection(sockbuf::sock_dgram) {
+Receiver::Receiver(const Connection::Port& port, const string& host)
+	    throw(sockerr): Connection(sockbuf::sock_dgram, host, port) {
 #ifdef DEBUG
-	cerr << __FILE__ << ": port = " << port
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<< ": port = " << port
 		<< " | host = " << host << endl;
 #endif // DEBUG
-	// FIXME - deberia ir en run().
-	socket->bind(port);
+	socket->bind(host.c_str(), port);
 }
 
-void Receiver::real_run(void) {
+// XXX EL XML DEBE EMPEZAR Y FINALIZAR EN UNA LINEA SEPARADA.
+void Receiver::real_run(void) throw() {
 #ifdef DEBUG
-	cerr << __FILE__ << ": real_run." << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<< ": real_run." << endl;
 #endif // DEBUG
-	// FIXME - debería tirar una excepción?
-	if (!socket->is_open()) {
-		cerr << "No se pudo conectar a " << socket->peerhost() <<
-			":" << socket->peerport() << "." << endl;
-	} else {
-		cerr << "Conectado a " << socket->peerhost() <<
-			":" << socket->peerport() << "." << endl;
+	char buf[BUFSIZ];
+	bool in_frame = false;
+	stringstream ss;
+	while (!stop()) {
+		try {
+			if (!socket.getline(buf, BUFSIZ)) {
+				return; // Se terminó la transmision.
+			}
+		} catch (const sockerr& e) {
+			signal_error().emit(e.serrno(), e.errstr());
+			return;
+		}
+		string sbuf = buf;
+		if (in_frame) {
+			string::size_type pos = sbuf.find(FRAME_END);
+			if (pos == string::npos) { // No encuentra el fin
+				ss << sbuf << endl;
+			} else { // Encuentra el fin.
+				// Agrego al mensaje actual hasta el final </plantstatus>.
+				ss << sbuf.substr(0, pos + FRAME_END.length());
+				frame_received(ss.str());
+				ss.str("");
+				in_frame = false;
+			}
+		} else { // No esta en un frame.
+			string::size_type pos = sbuf.find(FRAME_BEGIN);
+			if (pos != string::npos) { // Encuentra el inicio
+				ss << sbuf.substr(pos) << endl;
+				in_frame = true;
+			}
+		}
 	}
 }
 
+Receiver::SignalFrameReceived& Receiver::signal_frame_received(void) {
+	return frame_received;
+}
+
 } // namespace Server
 
 } // namespace PlaQui