Add example remote command program.

This commit is contained in:
Jonathan Naylor 2019-01-07 13:23:11 +00:00
parent 42a48209d4
commit a3aaffd280
2 changed files with 109 additions and 0 deletions

73
RemoteCommand.cpp Normal file
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/*
* Copyright (C) 2019 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "RemoteCommand.h"
#include "UDPSocket.h"
#include <cstdio>
int main(int argc, char** argv)
{
if (argc < 3) {
::fprintf(stderr, "Usage: RemoteCommand <port> <command>\n");
return 1;
}
unsigned int port = (unsigned int)::atoi(argv[1]);
std::string command = std::string(argv[2]);
if (port == 0U) {
::fprintf(stderr, "RemoteCommand: invalid port number - %s\n", argv[1]);
return 1;
}
CRemoteCommand command(port);
return send(command);
}
CRemoteCommand::CRemoteCommand(unsigned int port) :
m_port(port)
{
}
CRemoteCommand::~CRemoteCommand()
{
}
int CRemoteCommand::send(const std::string& command)
{
CUDPSocket socket(0U);
bool ret = socket.open();
if (!ret)
return 1;
in_addr address = CUDPSocket::lookup("localhost");
ret = socket.write(command.c_str(), command.len(), address, m_port);
if (!ret) {
socket.close();
return 1;
}
socket.close();
return 0;
}

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RemoteCommand.h Normal file
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/*
* Copyright (C) 2019 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef RemoteCommand_H
#define RemoteCommand_H
#include <string>
class CRemoteCommand
{
public:
CRemoteCommand(unsigned int port);
~CRemoteCommand();
int send(const std::string& command);
private:
unsigned int m_port;
};
#endif