X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/a9d033a0a6748c192d30c9c65ebcc8b1a96cd43b..31a4d1fea320e59487fa28bbb406ee50d4e7ec76:/Server/src/server.cpp?ds=inline

diff --git a/Server/src/server.cpp b/Server/src/server.cpp
index bb66fe5..5e7197a 100644
--- a/Server/src/server.cpp
+++ b/Server/src/server.cpp
@@ -26,13 +26,14 @@
 //
 
 #include "plaqui/server/server.h"
+#include "plaqui/server/string.h"
 #include "plaqui/server/connection.h"
 #include "plaqui/server/controlserver.h"
 #include <sigc++/class_slot.h>
-// FIXME - sacar sstream (a menos que se necesite)
+#include <glibmm/timer.h>
 #include <sstream>
+#include <exception>
 #ifdef DEBUG
-#	include "plaqui/server/string.h"
 #	include <iostream>
 #endif // DEBUG
 
@@ -44,55 +45,59 @@ namespace Server {
 
 Server::~Server(void) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": destructor." << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": destructor." << endl;
 #endif // DEBUG
-	// Termino plantas.
-	Glib::Mutex::Lock lock(plants_mutex);
-	for (PlantList::iterator i = plants.end(); i != plants.end(); i++) {
-		i->second->finish(true);
+	// Mando a terminar todas las plantas.
+	plants_mutex.lock();
+	for (PlantList::iterator i = plants.begin(); i != plants.end(); i++) {
+		i->second->finish();
+	}
+	PlantList::size_type count = plants.size();
+	plants_mutex.unlock();
+	// Espero que terminen realmente.
+	while (count) {
+		Glib::usleep(10000); // 10 milisegundos
+		plants_mutex.lock();
+		count = plants.size();
+		plants_mutex.unlock();
 	}
 }
 
-Server::Server(const string& plant_filename, const Connection::Port& port):
-		TCPServer(port) {
+Server::Server(const string& plant_filename, const Connection::Port& port)
+		throw(sockerr): TCPServer(port) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": port = " << port << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": port = " << port << endl;
 #endif // DEBUG
-	// FIXME
+	// FIXME - hacer que se puedan cargar mas plantas bien.
 	Glib::Mutex::Lock lock(plants_mutex);
 	plants["default"] = new Plant(plant_filename);
-	plants["default"]->signal_finished().connect(
-			SigC::bind<const char*>(
-				SigC::slot_class(*this, &Server::on_plant_finished),
-				"default"));
+	plants["default"]->signal_finished().connect(SigC::bind(
+			SigC::slot_class(*this, &Server::on_plant_finished),
+			"default"));
 	plants["default"]->run();
 }
 
-Connection* Server::new_connection(
-		const sockbuf::sockdesc& sd) {
+Connection* Server::new_connection(const sockbuf::sockdesc& sd) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": new_connection(sd = " << sd.sock << ")"
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": new_connection(sd = " << sd.sock << ")"
 		<< endl;
 #endif // DEBUG
 	ControlServer* connection = new ControlServer(sd);
 	// TODO verificar si el new se hace bien? no creo.
-	connection->signal_command_received().connect(
-			SigC::bind<ControlServer*>(
-				SigC::slot_class(*this, &Server::on_control_command_received),
-				connection));
+	connection->signal_command_received().connect(SigC::bind(
+			SigC::slot_class(*this, &Server::on_control_command_received),
+			connection));
 	// TODO: 
 	return connection;
 }
 
-void Server::on_plant_updated(const Plant* plant) {
-#ifdef DEBUG
-	cerr << __FILE__ << ": on_plant_updated(plant = " << plant << ")." << endl;
-#endif // DEBUG
-}
-
 void Server::on_plant_finished(const char* plant) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": on_plant_finished(plant_name = " << plant << endl;
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": on_plant_finished(plant_name = " << plant << endl;
 #endif // DEBUG
 	Glib::Mutex::Lock lock(plants_mutex);
 	plants.erase(plant);
@@ -102,23 +107,30 @@ void Server::on_plant_finished(const char* plant) {
 void Server::on_control_command_received(const Command& command,
 		ControlServer* controlserver) {
 #ifdef DEBUG
-	cerr << __FILE__ <<  ": on_control_command_received(target = "
+	cerr << __FILE__ << "(" << __LINE__ << ")"
+		<<  ": on_control_command_received(target = "
 		<< command.get_target() << ", command = " << command.get_command()
 		<< ", args = [" << String::join(command.get_args(), ", ") << "])"
 		<< endl;
 #endif // DEBUG
-	HTTPResponse* response;
-	//bool stop_controlserver = false;
+	Response* response;
 	if (command.get_target() == "server") {
-		if (command.get_command() == "status") {
-			response = cmd_server_status();
+		if (command.get_command() == "info") {
+			response = cmd_server_info();
 		} else if (command.get_command() == "stop") {
+			response = new Response(Response::OK,
+					"El server se cerrará en instantes");
+			// XXX - Sin mandar la respuesta enseguida podría ser que el server
+			// cierre la conexión antes de mandar la respuesta.
+			//response->headers["Content-Type"] = "text/xml; charset=iso-8859-1";
+			//controlserver->send(*response);
+			//delete response;
 			finish();
-			response = new HTTPResponse(HTTPMessage::OK,
-					"El server se apagará en instantes...");
+			//return;
 		} else {
-			response = new HTTPResponse(HTTPMessage::NOT_FOUND,
-					"Invalid command for 'server' taget!");
+			response = new Response(Response::INVALID_COMMAND,
+					command.get_command() + " es un comando inválido para "
+					+ "el destino 'server'");
 		}
 	} else if (command.get_target() == "connection") {
 		if (command.get_command() == "list") {
@@ -126,8 +138,9 @@ void Server::on_control_command_received(const Command& command,
 		} else if (command.get_command() == "stop") {
 			response = cmd_connection_stop(command);
 		} else {
-			response = new HTTPResponse(HTTPMessage::NOT_FOUND,
-					"Invalid command for 'connection' taget!");
+			response = new Response(Response::INVALID_COMMAND,
+					command.get_command() + " es un comando inválido para "
+					+ "el destino 'connection'");
 		}
 	} else if (command.get_target() == "transmission") {
 		if (command.get_command() == "list") {
@@ -137,25 +150,35 @@ void Server::on_control_command_received(const Command& command,
 		} else if (command.get_command() == "stop") {
 			response = cmd_transmission_stop(command);
 		} else {
-			response = new HTTPResponse(HTTPMessage::NOT_FOUND,
-					"Invalid command for 'transmission' taget!");
+			response = new Response(Response::INVALID_COMMAND,
+					command.get_command() + " es un comando inválido para "
+					+ "el destino 'transmission'");
 		}
 	} else if (command.get_target() == "plant") {
 		if (command.get_command() == "list") {
 			response = cmd_plant_list();
 		} else if (command.get_command() == "get") {
 			response = cmd_plant_get(command);
+		} else if (command.get_command() == "set") {
+			response = cmd_plant_set(command);
+		} else if (command.get_command() == "set_frequency") {
+			response = cmd_plant_set_frequency(command);
+		} else if (command.get_command() == "start") {
+			response = cmd_plant_start(command);
 		} else if (command.get_command() == "stop") {
 			response = cmd_plant_stop(command);
+		} else if (command.get_command() == "remove") {
+			response = cmd_plant_remove(command);
 		} else {
-			response = new HTTPResponse(HTTPMessage::NOT_FOUND,
-					"Invalid command for 'plant' taget!");
+			response = new Response(Response::INVALID_COMMAND,
+					command.get_command() + " es un comando inválido para "
+					+ "el destino 'plant'");
 		}
 	} else {
-		response = new HTTPResponse(HTTPMessage::NOT_FOUND, "Invalid taget!");
+		response = new Response(Response::INVALID_TARGET, command.get_target()
+				+ " es un destino inválido");
 	}
 	// FIXME
-	response->headers["Content-Type"] = "text/html; charset=iso-8859-1";
 	//response->headers["Connection"] = "close";
 	controlserver->send(*response);
 	delete response;
@@ -166,239 +189,263 @@ void Server::on_control_command_received(const Command& command,
 	//}
 }
 
-HTTPResponse* Server::cmd_server_status(void) const {
+Response* Server::cmd_server_info(void) const {
 	// FIXME
-	stringstream response_xml;
-	response_xml << "<html>" << endl;
-	response_xml << "    <head>" << endl;
-	response_xml << "        <title>PlaQui v0.8</title>" << endl;
-	response_xml << "    </head>" << endl;
-	response_xml << "    <body>" << endl;
-	response_xml << "        <h1>PlaQui</h1>" << endl;
-	response_xml << "        <p>versión 0.8</p>" << endl;
-/*	response_xml << "        <h2>Comando</h2>" << endl;
-	response_xml << "        <ul>" << endl;
-	response_xml << "           <li><b>Target:</b> " << command.get_target() << endl;
-	response_xml << "           <li><b>Command:</b> " << command.get_command() << endl;
-	response_xml << "           <li><b>Argumentos:</b>" << endl;
-	response_xml << "               <ol>" << endl;
-	for (Command::Arguments::const_iterator i = command.get_args().begin();
-			i != command.get_args().end(); i++) {
-		response_xml << "                   <li>" << *i << "</li>" << endl;
-	}
-	response_xml << "               </ol>" << endl;
-	response_xml << "        </ul>" << endl;*/
-	response_xml << "        <h2>Desarrollado por</h2>" << endl;
-	response_xml << "        <ul>" << endl;
-	response_xml << "            <li>Nicolás Dimov.</li>" << endl;
-	response_xml << "            <li>Leandro Lucarella.</li>" << endl;
-	response_xml << "            <li>Ricardo Markiewicz.</li>" << endl;
-	response_xml << "        </ul>" << endl;
-	response_xml << "        <address>" << endl;
-	response_xml << "             Copyleft 2003 - bajo los " << endl;
-	response_xml << "             términos de la licencia GPL" << endl;
-	response_xml << "        </address>" << endl;
-	response_xml << "    </body>" << endl;
-	response_xml << "</html>" << endl;
-	return new HTTPResponse(HTTPMessage::OK, response_xml.str());
+	stringstream xml;
+	xml << "<serverstatus>" << endl;
+	xml << "\t<version>" VERSION "</version>" << endl;
+	xml << "\t<authors>" << endl;
+	xml << "\t\t<author>Nicolás Dimov</author>" << endl;
+	xml << "\t\t<author>Leandro Lucarella</author>" << endl;
+	xml << "\t\t<author>Ricardo Markiewicz</author>" << endl;
+	xml << "\t</authors>" << endl;
+	xml << "</serverstatus>" << endl;
+	return new Response(xml.str());
 }
 
-HTTPResponse* Server::cmd_connection_list(void) {
+Response* Server::cmd_connection_list(void) {
 	// FIXME
 	TCPServer::ConnectionInfoList cil = get_connected();
-	stringstream response_xml;
-	response_xml << "<html>" << endl;
-	response_xml << "    <head>" << endl;
-	response_xml << "        <title>PlaQui v0.8</title>" << endl;
-	response_xml << "    </head>" << endl;
-	response_xml << "    <body>" << endl;
-	response_xml << "        <h1>PlaQui</h1>" << endl;
-	response_xml << "        <p>versión 0.8</p>" << endl;
-	response_xml << "        <h2>Lista de conexiones:</h2>" << endl;
-	response_xml << "        <ul>" << endl;
+	stringstream xml;
+	xml << "<list type=\"connection\">" << endl;
 	for (TCPServer::ConnectionInfoList::const_iterator i = cil.begin();
 			i != cil.end(); i++) {
-		response_xml << "       <li>" << i->host
-			<< ":" << i->port << " [<a href=\"/connection/stop/"
-			<< i->host << "/" << i->port << "\">deconectar</a>]</li>"
-			<< endl;
+		xml << "\t<row>" << endl;
+		xml << "\t\t<host>" << i->host << "</host>" << endl;
+		xml << "\t\t<port>" << i->port << "</port>" << endl;
+		xml << "\t</row>" << endl;
 	}
-	response_xml << "        </ul>" << endl;
-	response_xml << "        <address>" << endl;
-	response_xml << "             Copyleft 2003 - bajo los " << endl;
-	response_xml << "             términos de la licencia GPL" << endl;
-	response_xml << "        </address>" << endl;
-	response_xml << "    </body>" << endl;
-	response_xml << "</html>" << endl;
-	return new HTTPResponse(HTTPMessage::OK, response_xml.str());
+	xml << "</list>" << endl;
+	return new Response(xml.str());
 }
 
-HTTPResponse* Server::cmd_connection_stop(const Command& command) {
+Response* Server::cmd_connection_stop(const Command& command) {
 	const Command::Arguments& args = command.get_args();
 	Connection::Port port;
 	if (args.size() < 2) {
-		return new HTTPResponse(HTTPMessage::CONFLICT,
-				"Faltan argumentos.");
-	} else if (disconnect(args[0], String(args[1]).to(port))) {
-		return new HTTPResponse(HTTPMessage::OK,
-				string("La conexión a ") + args[0] + ":" + args[1]
-				+ " se cerrará en instantes...");
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'stop' del destino 'connection'");
+	} else if (disconnect(args[0], to(args[1], port))) {
+		return new Response(Response::OK, string("La conexión a ") + args[0]
+				+ ":" + args[1] + " se cerrará en instantes");
 	} else {
-		return new HTTPResponse(HTTPMessage::NOT_FOUND,
-				string("No existe una conexión a ") + args[0]
-				+ ":" + args[1]);
+		return new Response(Response::CONNECTION_NOT_FOUND,
+				string("No existe una conexión a ") + args[0] + ":" + args[1]);
 	}
 }
 
-HTTPResponse* Server::cmd_transmission_list(void) {
+Response* Server::cmd_transmission_list(void) {
 	// FIXME
-	stringstream response_xml;
-	response_xml << "<html>" << endl;
-	response_xml << "    <head>" << endl;
-	response_xml << "        <title>PlaQui v0.8</title>" << endl;
-	response_xml << "    </head>" << endl;
-	response_xml << "    <body>" << endl;
-	response_xml << "        <h1>PlaQui</h1>" << endl;
-	response_xml << "        <p>versión 0.8</p>" << endl;
-	response_xml << "        <h2>Lista de transmisiones:</h2>" << endl;
-	response_xml << "        <ul>" << endl;
+	stringstream xml;
+	xml << "<list type=\"transmission\">" << endl;
 /*TODO	plants_mutex.lock();
 	for (PlantList::const_iterator i = plants.begin();
 			i != plants.end(); i++) {
 		trans
-		response_xml << "       <li>" << (*i)->get_host() << ":"
+		xml << "       <li>" << (*i)->get_host() << ":"
 			<< (*i)->get_port() << " [<a href=\"/transmission/stop/"
 			<< (*i)->get_host() << "/" << (*i)->get_port()
 			<< "\">desconectar</a>]</li>" << endl;
 	}
 	transmissions_mutex.unlock();*/
-	response_xml << "        </ul>" << endl;
-	response_xml << "        <address>" << endl;
-	response_xml << "             Copyleft 2003 - bajo los " << endl;
-	response_xml << "             términos de la licencia GPL" << endl;
-	response_xml << "        </address>" << endl;
-	response_xml << "    </body>" << endl;
-	response_xml << "</html>" << endl;
-	return new HTTPResponse(HTTPMessage::OK, response_xml.str());
+	xml << "</list>" << endl;
+	return new Response(xml.str());
 }
 
-HTTPResponse* Server::cmd_transmission_start(const Command& command) {
+Response* Server::cmd_transmission_start(const Command& command) {
 	const Command::Arguments& args = command.get_args();
 	if (args.size() < 3) {
-		return new HTTPResponse(HTTPMessage::CONFLICT,
-				"Faltan argumentos.");
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'start' del destino 'transmission'");
 	} else {
 		string plant = args[0];
 		string host = args[1];
-		Connection::Port port = String(args[2]).to(port);
+		Connection::Port port = to(args[2], port);
 		Glib::Mutex::Lock lock(plants_mutex);
 		PlantList::iterator p = plants.find(plant);
 		if (p == plants.end()) {
-			return new HTTPResponse(HTTPMessage::NOT_FOUND,
-					string("No existe la planta '") + plant + "'.");
-		// TODO - agregar chequeo de que la transmision a ese host:port no
-		//        exista para otra planta?
+			return new Response(Response::PLANT_NOT_FOUND,
+					string("No existe la planta '") + plant + "'");
+		// FIXME - agregar chequeo de que la transmision a ese host:port no exista.
+		//         que use respuesta ALLREADY_EXISTS
 		} else if (plants[plant]->transmission_start(host, port)) {
-			return new HTTPResponse(HTTPMessage::OK,
+			return new Response(Response::OK,
 					string("Se empieza a transmitir la planta '") + plant
-					+ "' a " + host + ":" + String().from(port) + ".");
+					+ "' a " + host + ":" + String().from(port));
 		} else {
-			return new HTTPResponse(HTTPMessage::INTERNAL_SERVER_ERROR,
+			return new Response(Response::ERROR_STARTING_TRANSMISSION,
 					string("Error al crear la transmisión a de la planta '")
-					+ plant + "' a " + host + ":" + args[2] + ".");
+					+ plant + "' a " + host + ":" + args[2]);
 		}
 	}
 }
 
-HTTPResponse* Server::cmd_transmission_stop(const Command& command) {
+Response* Server::cmd_transmission_stop(const Command& command) {
 	const Command::Arguments& args = command.get_args();
 	if (args.size() < 2) {
-		return new HTTPResponse(HTTPMessage::CONFLICT,
-				"Faltan argumentos.");
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'stop' del destino 'transmission'");
 	} else {
 		const string& host = args[0];
-		Connection::Port port = String(args[1]).to(port);
+		Connection::Port port = to(args[1], port);
 		for (PlantList::iterator i = plants.begin(); i != plants.end(); i++) {
 			// TODO - agregar chequeo para saber si existe una conexion (para
 			// tirar error de que no hay conexion o de que no se pudo
 			// desconectar.
 			if (i->second->transmission_stop(host, port)) {
-				return new HTTPResponse(HTTPMessage::OK,
-						string("Se finaliza la transmisión de la planta '")
-						+ i->first + "' a " + host + ":" + args[1] + ".");
+				return new Response(Response::OK,
+						string("La transmisión de la planta '") + i->first
+							+ "' a " + host + ":" + args[1]
+							+ " se cerrará en instantes");
 			}
 		}
-		return new HTTPResponse(HTTPMessage::NOT_FOUND,
-				string("No se puede finalizar la transmisión a ")
-				+ host + ":" + args[1] + ".");
+		return new Response(Response::TRANSMISSION_NOT_FOUND,
+				string("No existe una transmisión a ") + host + ":" + args[1]);
 	}
 }
 
-HTTPResponse* Server::cmd_plant_list(void) {
-	// FIXME
-	stringstream response_xml;
-	response_xml << "<html>" << endl;
-	response_xml << "    <head>" << endl;
-	response_xml << "        <title>PlaQui v0.8</title>" << endl;
-	response_xml << "    </head>" << endl;
-	response_xml << "    <body>" << endl;
-	response_xml << "        <h1>PlaQui</h1>" << endl;
-	response_xml << "        <p>versión 0.8</p>" << endl;
-	response_xml << "        <h2>Lista de plantas:</h2>" << endl;
-	response_xml << "        <ul>" << endl;
+Response* Server::cmd_plant_list(void) {
+	// FIXME hacer con ResponseList
+	stringstream xml;
+	xml << "<list type=\"plant\">" << endl;
 	plants_mutex.lock();
 	for (PlantList::const_iterator i = plants.begin();
 			i != plants.end(); i++) {
-		response_xml << "       <li>" << i->first
-			<< " [<a href=\"/plant/stop/" << i->first << "\">parar</a>]</li>"
-			<< endl;
+		xml << "\t<row>" << endl;
+		xml << "\t\t<name>" << i->first << "</name>" << endl;
+		xml << "\t</row>" << endl;
 	}
 	plants_mutex.unlock();
-	response_xml << "        </ul>" << endl;
-	response_xml << "        <address>" << endl;
-	response_xml << "             Copyleft 2003 - bajo los " << endl;
-	response_xml << "             términos de la licencia GPL" << endl;
-	response_xml << "        </address>" << endl;
-	response_xml << "    </body>" << endl;
-	response_xml << "</html>" << endl;
-	return new HTTPResponse(HTTPMessage::OK, response_xml.str());
+	xml << "</list>" << endl;
+	return new Response(xml.str());
 }
 
-HTTPResponse* Server::cmd_plant_get(const Command& command) {
+Response* Server::cmd_plant_get(const Command& command) {
 	if (!command.get_args().size()) {
-		return new HTTPResponse(HTTPMessage::CONFLICT,
-				"Faltan argumentos.");
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'get' del destino 'plant'");
 	}
 	Glib::Mutex::Lock lock(plants_mutex);
-	string name = command.get_args()[0];
-	if (plants.find(name) == plants.end()) {
-		return new HTTPResponse(HTTPMessage::NOT_FOUND,
-				string("No existe la planta ") + name);
+	string plant = command.get_args()[0];
+	if (plants.find(plant) == plants.end()) {
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + plant + "'");
 	}
-	string xml = plants[name]->get_xml();
+	// TODO try/catch?
+	string xml = plants[plant]->get_xml();
 	if (xml.length()) {
-		return new HTTPResponse(HTTPMessage::OK, xml);
+		return new Response(xml);
 	} else {
-		return new HTTPResponse(HTTPMessage::INTERNAL_SERVER_ERROR,
-				("No se pudo obtener el XML de la planta ") + name);
+		return new Response(Response::ERROR_GETING_PLANT_XML,
+				("No se pudo obtener el XML de la planta '") + plant + "'");
+	}
+}
+
+Response* Server::cmd_plant_set(const Command& command) {
+	const Command::Arguments& args = command.get_args();
+	if (args.size() < 4) {
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'set' del destino 'plant'");
+	}
+	string plant = args[0];
+	string element = args[1];
+	string input = args[2];
+	if (input != "open") {
+		return new Response(Response::ELEMENT_INPUT_NOT_FOUND,
+				string("El elemento '") + element + "' de la planta '" + plant
+				+ "' no tiene una entrada '" + input + "'");
+	}
+	string value = args[3];
+	Glib::Mutex::Lock lock(plants_mutex);
+	PlantList::iterator p = plants.find(plant);
+	if (p == plants.end()) {
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + plant + "'");
+	}
+	bool open = true;
+	if ((value == "false") || (value == "0") || (value == "off")
+			|| (value == "no")) {
+		open = false;
+	}
+	if (!plants[plant]->set_open(element, open)) {
+		return new Response(Response::ERROR_CHANGING_ELEMENT_INPUT,
+				string("No se pudo cambiar la entrada '") + input
+				+ "' del elemento '" + element + "' de la planta '"
+				+ plant + "'");
+	}
+	return new Response(Response::OK,
+			string("Se cambió la entrada '") + input + "' del elemento '"
+			+ element + "' de la planta '" + plant + "' a '" + value + "'");
+}
+
+Response* Server::cmd_plant_set_frequency(const Command& command) {
+	if (command.get_args().size() < 2) {
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'set_frequency' del destino 'plant'");
+	}
+	Glib::Mutex::Lock lock(plants_mutex);
+	const string name = command.get_args()[0];
+	if (plants.find(name) == plants.end()) {
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + name + "'");
+	}
+	unsigned hz;
+	to(command.get_args()[1], hz);
+	/* TODO poner cantidad real que tomó: hz = */plants[name]->set_frequency(hz);
+	String shz;
+	shz.from(hz);
+	return new Response(Response::OK,
+			string("Se cambió la frecuencia de refresco de la planta '") + name
+			+ "' a '" + shz + "' veces por segundo");
+}
+
+Response* Server::cmd_plant_start(const Command& command) {
+	if (!command.get_args().size()) {
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'start' del destino 'plant'");
+	}
+	Glib::Mutex::Lock lock(plants_mutex);
+	const string name = command.get_args()[0];
+	if (plants.find(name) == plants.end()) {
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + name + "'");
+	}
+	plants[name]->set_paused(false);
+	return new Response(Response::OK,
+			string("La planta '") + name + "' fue reanudada");
+}
+
+Response* Server::cmd_plant_stop(const Command& command) {
+	if (!command.get_args().size()) {
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'stop' del destino 'plant'");
+	}
+	Glib::Mutex::Lock lock(plants_mutex);
+	const string name = command.get_args()[0];
+	if (plants.find(name) == plants.end()) {
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + name + "'");
 	}
+	plants[name]->set_paused(true);
+	return new Response(Response::OK,
+			string("La planta '") + name + "' fue pausada");
 }
 
-HTTPResponse* Server::cmd_plant_stop(const Command& command) {
+Response* Server::cmd_plant_remove(const Command& command) {
 	if (!command.get_args().size()) {
-		return new HTTPResponse(HTTPMessage::CONFLICT,
-				"Faltan argumentos.");
+		return new Response(Response::ARGUMENT_MISSING, "Faltan argumentos "
+				" para el comando 'remove' del destino 'plant'");
 	}
 	Glib::Mutex::Lock lock(plants_mutex);
 	const string name = command.get_args()[0];
 	if (plants.find(name) == plants.end()) {
-		return new HTTPResponse(HTTPMessage::NOT_FOUND,
-				string("No existe la planta ") + name);
+		return new Response(Response::PLANT_NOT_FOUND,
+				string("No existe la planta '") + name + "'");
 	}
-	// TODO Ver si al frenar la planta se destruye (no deberia!!!)
 	plants[name]->finish();
-	return new HTTPResponse(HTTPMessage::OK,
-			string("La planta '") + name + "' se cerrará en instantes...");
+	return new Response(Response::OK,
+			string("La planta '") + name + "' fue será removida del servidor "
+			"en instantes");
 }
 
 } // namespace Server