mirror of
https://github.com/ShaYmez/P25Clients.git
synced 2024-11-25 05:38:39 -05:00
120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/*
|
|
* Copyright (C) 2009-2014,2016,2020 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 "P25Network.h"
|
|
#include "Utils.h"
|
|
#include "Log.h"
|
|
|
|
#include <cstdio>
|
|
#include <cassert>
|
|
#include <cstring>
|
|
|
|
CP25Network::CP25Network(unsigned short port, const std::string& callsign, bool debug) :
|
|
m_callsign(callsign),
|
|
m_socket(),
|
|
m_port(port),
|
|
m_debug(debug)
|
|
{
|
|
assert(port > 0U);
|
|
|
|
m_callsign.resize(10U, ' ');
|
|
}
|
|
|
|
CP25Network::~CP25Network()
|
|
{
|
|
}
|
|
|
|
bool CP25Network::open()
|
|
{
|
|
LogInfo("Opening P25 network connection");
|
|
|
|
unsigned int index = 0U;
|
|
|
|
bool ret1 = m_socket.open(index, PF_INET, "", m_port);
|
|
if (ret1)
|
|
index++;
|
|
|
|
bool ret2 = m_socket.open(index, PF_INET6, "", m_port);
|
|
|
|
// We're OK as long as we have either IPv4 or IPv6 or both.
|
|
return ret1 || ret2;
|
|
}
|
|
|
|
bool CP25Network::write(const unsigned char* data, unsigned int length, const sockaddr_storage& addr, unsigned int addrLen)
|
|
{
|
|
assert(data != NULL);
|
|
assert(length > 0U);
|
|
|
|
if (m_debug)
|
|
CUtils::dump(1U, "P25 Network Data Sent", data, length);
|
|
|
|
return m_socket.write(data, length, addr, addrLen);
|
|
}
|
|
|
|
bool CP25Network::poll(const sockaddr_storage& addr, unsigned int addrLen)
|
|
{
|
|
unsigned char data[15U];
|
|
|
|
data[0U] = 0xF0U;
|
|
|
|
for (unsigned int i = 0U; i < 10U; i++)
|
|
data[i + 1U] = m_callsign.at(i);
|
|
|
|
if (m_debug)
|
|
CUtils::dump(1U, "P25 Network Poll Sent", data, 11U);
|
|
|
|
return m_socket.write(data, 11U, addr, addrLen);
|
|
}
|
|
|
|
bool CP25Network::unlink(const sockaddr_storage& addr, unsigned int addrLen)
|
|
{
|
|
unsigned char data[15U];
|
|
|
|
data[0U] = 0xF1U;
|
|
|
|
for (unsigned int i = 0U; i < 10U; i++)
|
|
data[i + 1U] = m_callsign.at(i);
|
|
|
|
if (m_debug)
|
|
CUtils::dump(1U, "P25 Network Unlink Sent", data, 11U);
|
|
|
|
return m_socket.write(data, 11U, addr, addrLen);
|
|
}
|
|
|
|
unsigned int CP25Network::read(unsigned char* data, unsigned int length, sockaddr_storage& addr, unsigned int& addrLen)
|
|
{
|
|
assert(data != NULL);
|
|
assert(length > 0U);
|
|
|
|
int len = m_socket.read(data, length, addr, addrLen);
|
|
if (len <= 0)
|
|
return 0U;
|
|
|
|
if (m_debug)
|
|
CUtils::dump(1U, "P25 Network Data Received", data, len);
|
|
|
|
return len;
|
|
}
|
|
|
|
void CP25Network::close()
|
|
{
|
|
m_socket.close();
|
|
|
|
LogInfo("Closing P25 network connection");
|
|
}
|