X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/6bffb655ac989fe4f115763270f84175bf24e4bb..dea314b92324ad67455bb039e2078652ab0e5824:/Server/src/tcpserver.cpp

diff --git a/Server/src/tcpserver.cpp b/Server/src/tcpserver.cpp
index 0f97fe5..04fd8ba 100644
--- a/Server/src/tcpserver.cpp
+++ b/Server/src/tcpserver.cpp
@@ -27,6 +27,7 @@
 
 #include "plaqui/server/tcpserver.h"
 #include <sigc++/class_slot.h>
+#include <glibmm/timer.h>
 #ifdef DEBUG
 #	include <iostream>
 #endif // DEBUG
@@ -39,35 +40,77 @@ namespace Server {
 
 TCPServer::~TCPServer(void) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": destructor." << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": destructor." << endl;
 #endif // DEBUG
+	// Mando a terminar todas las conexiones.
+	connections_mutex.lock();
+	for (ConnectionList::iterator con = connections.begin();
+			con != connections.end(); con++) {
+		(*con)->finish();
+	}
+	ConnectionList::size_type count = connections.size();
+	connections_mutex.unlock();
+	// Espero que terminen realmente.
+	while (count) {
+		Glib::usleep(10000); // 10 milisegundos
+		connections_mutex.lock();
+		count = connections.size();
+		connections_mutex.unlock();
+	}
 }
 
-TCPServer::TCPServer(int port):	socket(sockbuf::sock_stream) {
+TCPServer::TCPServer(const Connection::Port& port) throw(sockerr):
+		socket(sockbuf::sock_stream) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": port = " << port << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": port = " << port << endl;
 #endif // DEBUG
+	socket.reuseaddr(true);
 	socket.bind(port);
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": escuchando en " << socket.localhost()
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": escuchando en " << socket.localhost()
 		<< ":" << socket.localport() << "." << endl;
 #endif // DEBUG
 	socket.listen(MAX_PENDING_CONNECTIONS);
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": [despues de listen()] escuchando en "
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": [despues de listen()] escuchando en "
 		<< socket.localhost() << ":" << socket.localport() << "." << endl;
 #endif // DEBUG
 }
 
+void TCPServer::finish(void) {
+#ifdef DEBUG
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": finish(void);" << endl;
+#endif // DEBUG
+	Runnable::finish();
+	// Creo una conexión suicida para que el accept() del server retorne
+	// el control y el server pueda terminar realmente.
+	try {
+		sockinetbuf suicida(sockbuf::sock_stream);
+		suicida.connect(socket.localhost(), socket.localport());
+	} catch (const sockerr& e) {
+		// FIXME mejorar codigos de error.
+		signal_error().emit(100000 + e.serrno(), string("No se pudo crear "
+					"conexión 'suicida' para terminar el servidor: ")
+					+ e.errstr());
+	}
+}
+
 void TCPServer::on_connection_finished(Connection* connection) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": on_connection_finished(connection = "
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": on_connection_finished(connection = "
 		<< connection << ")" << endl;
 #endif // DEBUG
 	Glib::Mutex::Lock lock(connections_mutex);
 	connections.remove(connection);
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": lista de conexiones" << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": lista de conexiones" << endl;
 	for (ConnectionList::const_iterator i = connections.begin();
 			i != connections.end(); i++) {
 		cerr << "\t " << *i << endl;
@@ -75,54 +118,84 @@ void TCPServer::on_connection_finished(Connection* connection) {
 #endif // DEBUG
 }
 
-/// \todo TODO: ver tema de timeout o como salir de un accept().
-void TCPServer::real_run(void) {
+void TCPServer::real_run(void) throw() {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": real_run()" << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": real_run()" << endl;
 #endif // DEBUG
 	Connection* connection;
-	while (!stop) {
+	while (!stop()) {
 		// Forma grasa de salir del accept: crear conexion que salga al toque.
-		connection = new_connection(socket.accept());
+		try {
+			connection = new_connection(socket.accept());
+		} catch (const sockerr& e) { // No se si el accept() puede fallar.
+			signal_error().emit(e.serrno(),
+					string("Error creando conexión nueva: ") + e.errstr());
+			continue; // Supongo que puede seguir aceptando conexiones.
+		}
+		if (!stop()) {
+			// Solo avisamos si la conexión que viene no es para matarnos.
+			_connection_opened(connection->get_host(), connection->get_port());
+		}
 #ifdef DEBUG
-		cerr << __FILE__ <<  ": real_run(): connection = " << connection
+		cerr << __FILE__ << "(" << __LINE__ << ")"
+			<<  ": real_run(): connection = " << connection
 			<< endl;
 #endif // DEBUG
 		Glib::Mutex::Lock lock(connections_mutex);
-		// XXX connections_mutex.lock();
 		connections.push_back(connection);
 #ifdef DEBUG
-		cerr << __FILE__ <<  ": real_run(): lista de conexiones" << endl;
+		cerr << __FILE__ << "(" << __LINE__ << ")"
+			<<  ": real_run(): lista de conexiones" << endl;
 		for (ConnectionList::const_iterator i = connections.begin();
 				i != connections.end(); i++) {
 			cerr << "\t " << *i << endl;
 		}
 #endif // DEBUG
-		// XXX connections_mutex.unlock(); // Si pongo el mutex antes del run(),
-		//                                    muere.
 		// Conecto la señal para cuando termina una conexión, borrarla.
-		connection->signal_finished().connect(
-				SigC::bind<Connection*>(
-					SigC::slot_class(*this,
-						&TCPServer::on_connection_finished),
-					connection));
+		connection->signal_finished().connect(SigC::bind(
+				SigC::slot_class(*this,	&TCPServer::on_connection_finished),
+				connection));
 		connection->run();
 	}
 }
 
+bool TCPServer::disconnect(const std::string& host, const Connection::Port& port) {
+#ifdef DEBUG
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": disconnect(host = " << host
+		<< ", port = " << port << ")" << endl;
+#endif // DEBUG
+	Glib::Mutex::Lock lock(connections_mutex);
+	for (ConnectionList::iterator con = connections.begin();
+			con != connections.end(); con++) {
+		if (((*con)->get_host() == host) && ((*con)->get_port() == port)) {
+			(*con)->finish();
+			return true;
+		}
+	}
+	return false;
+}
+
+/// \todo TODO Hay que reemplazarlo por una lista generica.
 TCPServer::ConnectionInfoList TCPServer::get_connected(void) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": get_connected()" << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": get_connected()" << endl;
 #endif // DEBUG
-	TCPServer::ConnectionInfoList con;
+	TCPServer::ConnectionInfoList cl;
 	Glib::Mutex::Lock lock(connections_mutex);
-	for (ConnectionList::const_iterator i = connections.begin();
-			i != connections.end(); i++) {
+	for (ConnectionList::const_iterator con = connections.begin();
+			con != connections.end(); con++) {
 		TCPServer::ConnectionInfo ci =
-			{ (*i)->get_peerhost(), (*i)->get_peerport() };
-		con.push_back(ci);
+			{ (*con)->get_host(), (*con)->get_port() };
+		cl.push_back(ci);
 	}
-	return con;
+	return cl;
+}
+
+TCPServer::SignalConnectionOpened& TCPServer::signal_connection_opened(void) {
+	return _connection_opened;
 }
 
 } // namespace Server