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/*
* Copyright (c) 2007, Technische Universitaet Berlin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the Technische Universitaet Berlin nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @author Philipp Huppertz <huppertz@tkn.tu-berlin.de>
*/
#ifndef SFCONTROL_H
#define SFCONTROL_H
#include "stdio.h"
#include "packetbuffer.h"
#include "tcpcomm.h"
#include "serialcomm.h"
#include "pthread.h"
#include <vector>
#include <string>
class SFControl
{
protected:
typedef struct
{
PacketBuffer* serial2tcp;
PacketBuffer* tcp2serial;
TCPComm* TcpServer;
SerialComm* SerialDevice;
int id;
}
sfServer_t;
/* needed to get informed about canceled threads */
sharedControlInfo_t sfControlInfo;
/* list of running / started sf-servers */
std::list<sfServer_t> servers;
/* max. allowed sf-servers */
static const unsigned int maxSFServers = 512;
/* pthread for thread cancel notification */
pthread_t cancelThread;
/* read fd set */
fd_set rfds;
/* write fd set */
fd_set wfds;
/* indicated that the control server is started */
bool controlServerStarted;
/* in daemon mode: do not read from stdin */
bool daemon;
/* tcp port the control server listens on */
int controlPort;
/* control server FD */
int serverFD;
/* control-client fd */
int clientFD;
/* string stream for multiplexing output (cout and control-client) */
std::ostringstream os;
friend void* checkCancelThread(void* ob);
/* needed for id generation */
int uniqueId;
public:
SFControl();
~SFControl();
/* gets corresponding help message to command */
std::string getHelpMessage(std::string msg = "");
/* parses command line arguments */
void parseArgs(int argc, char *argv[]);
/* parses input */
void parseInput(std::string arg);
/* main loop, waits for input */
void waitOnInput();
protected:
/* checks if child threads canceled themselves */
void checkThreadCancel();
/* starts the controling server */
void startControlServer();
/* send string to connected client.. */
bool sendToClient(std::string message);
/* receive string from connected client... */
bool readFromClient(std::string& message);
/* starts a sf-server */
void startServer(int port, std::string device, int baudrate);
/* stops a given sf-server. returns false if specified server not running */
bool stopServer(int& id, int& port, std::string& device);
/* prints out server info for specified server */
bool showServerInfo(std::ostream& pOs, int id, int port, std::string device);
/* lists all running servers */
void listServers(std::ostream& pOs);
/* send output to console and/or to connected control client */
void deliverOutput();
/* reports error to stderr */
int reportError(const char *msg, int result);
};
#endif
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