X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/751302dd67ffdeb0dfe72c4d2a7a2d58303cf5f3..3e56bc8be121c3896356f94709f127c97956228d:/Server/src/tcpserver.cpp

diff --git a/Server/src/tcpserver.cpp b/Server/src/tcpserver.cpp
index a9ce030..04fd8ba 100644
--- a/Server/src/tcpserver.cpp
+++ b/Server/src/tcpserver.cpp
@@ -27,83 +27,178 @@
 
 #include "plaqui/server/tcpserver.h"
 #include <sigc++/class_slot.h>
+#include <glibmm/timer.h>
 #ifdef DEBUG
 #	include <iostream>
 #endif // DEBUG
 
-const unsigned PlaQui::Server::TCPServer::MAX_PENDING_CONNECTIONS = 5;
+using namespace std;
 
-PlaQui::Server::TCPServer::~TCPServer(void) {
+namespace PlaQui {
+
+namespace Server {
+
+TCPServer::~TCPServer(void) {
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": destructor." << std::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();
+	}
 }
 
-PlaQui::Server::TCPServer::TCPServer(int port):
+TCPServer::TCPServer(const Connection::Port& port) throw(sockerr):
 		socket(sockbuf::sock_stream) {
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": port = " << port << std::endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": port = " << port << endl;
 #endif // DEBUG
+	socket.reuseaddr(true);
 	socket.bind(port);
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": escuchando en " << socket.localhost()
-		<< ":" << socket.localport() << "." << std::endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": escuchando en " << socket.localhost()
+		<< ":" << socket.localport() << "." << endl;
 #endif // DEBUG
 	socket.listen(MAX_PENDING_CONNECTIONS);
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": [despues de listen()] escuchando en "
-		<< socket.localhost() << ":" << socket.localport() << "." << std::endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": [despues de listen()] escuchando en "
+		<< socket.localhost() << ":" << socket.localport() << "." << endl;
 #endif // DEBUG
 }
 
-void PlaQui::Server::TCPServer::on_connection_finished(
-		Connection* connection) {
+void TCPServer::finish(void) {
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": on_connection_finished(connection = "
-		<< connection << ")" << std::endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": finish(void);" << endl;
 #endif // DEBUG
-	mutex.lock();
+	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__ << "(" << __LINE__ << ")"
+		<<  ": on_connection_finished(connection = "
+		<< connection << ")" << endl;
+#endif // DEBUG
+	Glib::Mutex::Lock lock(connections_mutex);
 	connections.remove(connection);
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": lista de conexiones" << std::endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": lista de conexiones" << endl;
 	for (ConnectionList::const_iterator i = connections.begin();
 			i != connections.end(); i++) {
-		std::cerr << "\t " << *i << std::endl;
+		cerr << "\t " << *i << endl;
 	}
 #endif // DEBUG
-	mutex.unlock();
 }
 
-/// \todo TODO: ver tema de timeout o como salir de un accept().
-void PlaQui::Server::TCPServer::real_run(void) {
+void TCPServer::real_run(void) throw() {
 #ifdef DEBUG
-	std::cerr << __FILE__ <<  ": real_run()" << std::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
-		std::cerr << __FILE__ <<  ": real_run(): connection = " << connection
-			<< std::endl;
+		cerr << __FILE__ << "(" << __LINE__ << ")"
+			<<  ": real_run(): connection = " << connection
+			<< endl;
 #endif // DEBUG
-		mutex.lock();
+		Glib::Mutex::Lock lock(connections_mutex);
 		connections.push_back(connection);
 #ifdef DEBUG
-		std::cerr << __FILE__ <<  ": real_run(): lista de conexiones" << std::endl;
+		cerr << __FILE__ << "(" << __LINE__ << ")"
+			<<  ": real_run(): lista de conexiones" << endl;
 		for (ConnectionList::const_iterator i = connections.begin();
 				i != connections.end(); i++) {
-			std::cerr << "\t " << *i << std::endl;
+			cerr << "\t " << *i << endl;
 		}
 #endif // DEBUG
-		mutex.unlock();
 		// 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__ << "(" << __LINE__ << ")"
+		<<  ": get_connected()" << endl;
+#endif // DEBUG
+	TCPServer::ConnectionInfoList cl;
+	Glib::Mutex::Lock lock(connections_mutex);
+	for (ConnectionList::const_iterator con = connections.begin();
+			con != connections.end(); con++) {
+		TCPServer::ConnectionInfo ci =
+			{ (*con)->get_host(), (*con)->get_port() };
+		cl.push_back(ci);
+	}
+	return cl;
+}
+
+TCPServer::SignalConnectionOpened& TCPServer::signal_connection_opened(void) {
+	return _connection_opened;
+}
+
+} // namespace Server
+
+} // namespace PlaQui
+