X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/7e74b790d290cd7d776349503bb361c47933c01f..1855f998e5c0e51e2c1958724ac84cc13a87d84c:/Server/src/plant.cpp

diff --git a/Server/src/plant.cpp b/Server/src/plant.cpp
index b01f1a5..1187c51 100644
--- a/Server/src/plant.cpp
+++ b/Server/src/plant.cpp
@@ -27,7 +27,7 @@
 
 #include "plaqui/server/plant.h"
 #include <glibmm/timer.h>
-#include <sigc++/slot.h>
+#include <sigc++/class_slot.h>
 #include <fstream>
 #ifdef DEBUG
 #	include <iostream>
@@ -44,15 +44,25 @@ Plant::~Plant(void) {
 	cerr << __FILE__ << "(" << __LINE__ << ")"
 		<< ": destructor." << endl;
 #endif // DEBUG
-	// Termino transmisiones.
-	Glib::Mutex::Lock lock(transmissions_mutex);
-	for (TransmitterList::iterator trans = transmissions.end();
+	// Mando a terminar todas las transmisiones.
+	transmissions_mutex.lock();
+	for (TransmitterList::iterator trans = transmissions.begin();
 			trans != transmissions.end(); trans++) {
-		(*trans)->finish(true);
+		(*trans)->finish();
+	}
+	TransmitterList::size_type count = transmissions.size();
+	transmissions_mutex.unlock();
+	// Espero que terminen realmente.
+	while (count) {
+		Glib::usleep(10000); // 10 milisegundos
+		transmissions_mutex.lock();
+		count = transmissions.size();
+		transmissions_mutex.unlock();
 	}
 }
 
-Plant::Plant(const string& filename): simulator(filename), filename(filename) {
+Plant::Plant(const string& filename): simulator(filename), filename(filename),
+		wait_time(DEFAULT_WAIT_TIME), paused(true) {
 #ifdef DEBUG
 	cerr << __FILE__ << "(" << __LINE__ << ")"
 		<< ": constructor. filename = " << filename << endl;
@@ -71,22 +81,31 @@ Plant::Plant(const string& filename): simulator(filename), filename(filename) {
 */	
 }
 
-void Plant::real_run(void) {
+void Plant::real_run(void) throw() {
 #ifdef DEBUG
 	cerr << __FILE__ << "(" << __LINE__ << ")"
 		<< ": real_run." << endl;
 #endif // DEBUG
-	while (!stop) {
-		simulator_mutex.lock();
-		simulator.simulate();
-		simulator_mutex.unlock();
-		transmissions_mutex.lock();
-		for (TransmitterList::iterator i = transmissions.begin();
-				i != transmissions.end(); i++) {
-			(*i)->send(simulator.get_state_as_xml());
+	unsigned wait;
+	while (!stop()) {
+		if (paused) { // Si está pausada, espera un tiempo sin simular.
+			Glib::usleep(DEFAULT_WAIT_TIME);
+		} else { // Si está andando, simula y manda estado.
+			simulator_mutex.lock();
+			simulator.simulate();
+			string plantstatus = simulator.get_state_as_xml();
+			simulator_mutex.unlock();
+			transmissions_mutex.lock();
+			for (TransmitterList::iterator i = transmissions.begin();
+					i != transmissions.end(); i++) {
+				(*i)->send(plantstatus);
+			}
+			transmissions_mutex.unlock();
+			wait_time_mutex.lock();
+			wait = wait_time;
+			wait_time_mutex.unlock();
+			Glib::usleep(wait);
 		}
-		transmissions_mutex.unlock();
-		Glib::usleep(1000000);
 	}
 }
 
@@ -129,6 +148,9 @@ bool Plant::transmission_start(string& host, Connection::Port& port) {
 //		return false;
 	}
 	transmissions.push_back(trans);
+	trans->signal_finished().connect(SigC::bind(
+				SigC::slot_class(*this, &Plant::on_transmission_finished),
+				trans));
 	trans->run();
 	host = trans->get_host();
 	port = trans->get_port();
@@ -138,9 +160,9 @@ bool Plant::transmission_start(string& host, Connection::Port& port) {
 bool Plant::transmission_stop(const string& host,
 		const Connection::Port& port) {
 #ifdef DEBUG
-		cerr << __FILE__ << "(" << __LINE__ << ")"
-			<< ": transmission_stop(host = " << host <<
-			", port = " << port << ")." << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<< ": transmission_stop(host = " << host <<
+		", port = " << port << ")." << endl;
 #endif // DEBUG
 	Glib::Mutex::Lock lock(transmissions_mutex);
 	for (TransmitterList::iterator i = transmissions.begin();
@@ -153,6 +175,24 @@ bool Plant::transmission_stop(const string& host,
 	return false; // No la encontró.
 }
 
+void Plant::on_transmission_finished(Transmitter* transmission) {
+#ifdef DEBUG
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": on_transmission_finished(transmission = "
+		<< transmission << ")" << endl;
+#endif // DEBUG
+	Glib::Mutex::Lock lock(transmissions_mutex);
+	transmissions.remove(transmission);
+#ifdef DEBUG
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": lista de conexiones" << endl;
+	for (TransmitterList::const_iterator i = transmissions.begin();
+			i != transmissions.end(); i++) {
+		cerr << "\t " << *i << endl;
+	}
+#endif // DEBUG
+}
+
 bool Plant::set_open(const std::string& element, bool open) {
 #ifdef DEBUG
 		cerr << __FILE__ << "(" << __LINE__ << ")"
@@ -170,10 +210,23 @@ const string Plant::get_xml(void) const {
 #endif // DEBUG
 	ostringstream oss;
 	ifstream ifs(filename.c_str());
+	// XXX Saco la línea de definición de XML (<?xml ?>), ver si esta hecho muy
+	// feo.
+	ifs.ignore(50, '\n'); // Ignora 50 caracteres o hasta un enter.
 	ifs >> oss.rdbuf();
 	return oss.str();
 }
 
+void Plant::set_frequency(unsigned hz) {
+	Glib::Mutex::Lock lock(wait_time_mutex);
+	wait_time = hz ? (1000000u/hz) : DEFAULT_WAIT_TIME;
+}
+
+void Plant::set_paused(bool paused_) {
+	Glib::Mutex::Lock lock(paused_mutex);
+	paused = paused_;
+}
+
 /*
 bool Plant::transmission_exists(const string& host,
 		const Connection::Port& port) {