Jonathan Naylor
4 years ago
parent
6f20d96f7b
commit
fd06781f93
@ -0,0 +1,254 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2009-2014,2016,2017,2018,2020 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 "YSFDefines.h"
|
||||||
|
#include "YCSNetwork.h"
|
||||||
|
#include "Utils.h"
|
||||||
|
#include "Log.h"
|
||||||
|
|
||||||
|
#include <cstdio>
|
||||||
|
#include <cassert>
|
||||||
|
#include <cstring>
|
||||||
|
|
||||||
|
const unsigned int BUFFER_LENGTH = 200U;
|
||||||
|
|
||||||
|
CYCSNetwork::CYCSNetwork(unsigned int localPort, const std::string& name, const sockaddr_storage& addr, unsigned int addrLen, const std::string& callsign, unsigned int rxFrequency, unsigned int txFrequency, const std::string& locator, const std::string& description, unsigned int id, unsigned int dgId, bool debug) :
|
||||||
|
m_socket(localPort),
|
||||||
|
m_debug(debug),
|
||||||
|
m_addr(addr),
|
||||||
|
m_addrLen(addrLen),
|
||||||
|
m_poll(NULL),
|
||||||
|
m_options(NULL),
|
||||||
|
m_info(NULL),
|
||||||
|
m_unlink(NULL),
|
||||||
|
m_buffer(1000U, "YCS Network Buffer"),
|
||||||
|
m_pollTimer(1000U, 5U),
|
||||||
|
m_name(name),
|
||||||
|
m_state(DS_NOTOPEN),
|
||||||
|
m_dgId(dgId)
|
||||||
|
{
|
||||||
|
m_poll = new unsigned char[14U];
|
||||||
|
::memcpy(m_poll + 0U, "YSFP", 4U);
|
||||||
|
|
||||||
|
m_unlink = new unsigned char[14U];
|
||||||
|
::memcpy(m_unlink + 0U, "YSFU", 4U);
|
||||||
|
|
||||||
|
m_options = new unsigned char[50U];
|
||||||
|
::memcpy(m_options + 0U, "YSFO", 4U);
|
||||||
|
|
||||||
|
m_info = new unsigned char[80U];
|
||||||
|
::memcpy(m_info + 0U, "YSFI", 4U);
|
||||||
|
|
||||||
|
std::string node = callsign;
|
||||||
|
node.resize(YSF_CALLSIGN_LENGTH, ' ');
|
||||||
|
|
||||||
|
for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) {
|
||||||
|
m_poll[i + 4U] = node.at(i);
|
||||||
|
m_unlink[i + 4U] = node.at(i);
|
||||||
|
m_options[i + 4U] = node.at(i);
|
||||||
|
m_info[i + 4U] = node.at(i);
|
||||||
|
}
|
||||||
|
|
||||||
|
char text[101U];
|
||||||
|
::sprintf(text, "%u ", dgId);
|
||||||
|
|
||||||
|
for (unsigned int i = 0U; i < (50U - 4U - YSF_CALLSIGN_LENGTH); i++)
|
||||||
|
m_options[i + 4U + YSF_CALLSIGN_LENGTH] = text[i];
|
||||||
|
|
||||||
|
std::string desc = description;
|
||||||
|
desc.resize(20U, ' ');
|
||||||
|
|
||||||
|
sprintf(text, "%9u%9u%.6s%sMMDVM %07u ", rxFrequency, txFrequency, locator.c_str(), desc.c_str(), id);
|
||||||
|
for (unsigned int i = 0U; i < (80U - 4U - YSF_CALLSIGN_LENGTH); i++)
|
||||||
|
m_info[i + 4U + YSF_CALLSIGN_LENGTH] = text[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
CYCSNetwork::~CYCSNetwork()
|
||||||
|
{
|
||||||
|
delete[] m_poll;
|
||||||
|
delete[] m_unlink;
|
||||||
|
delete[] m_options;
|
||||||
|
delete[] m_info;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string CYCSNetwork::getDesc(unsigned int dgId)
|
||||||
|
{
|
||||||
|
return "YCS: " + m_name;
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned int CYCSNetwork::getDGId()
|
||||||
|
{
|
||||||
|
return m_dgId;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CYCSNetwork::open()
|
||||||
|
{
|
||||||
|
if (m_addrLen == 0U) {
|
||||||
|
LogError("Unable to resolve the address of the YCS network");
|
||||||
|
m_state = DS_NOTOPEN;
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
LogMessage("Opening YCS network connection");
|
||||||
|
|
||||||
|
bool ret = m_socket.open(m_addr);
|
||||||
|
if (!ret) {
|
||||||
|
m_state = DS_NOTOPEN;
|
||||||
|
return false;
|
||||||
|
} else {
|
||||||
|
m_state = DS_NOTLINKED;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
DGID_STATUS CYCSNetwork::getStatus()
|
||||||
|
{
|
||||||
|
return m_state;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::write(unsigned int dgid, const unsigned char* data)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
if (m_state != DS_LINKED)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Sent", data, 155U);
|
||||||
|
|
||||||
|
m_socket.write(data, 155U, m_addr, m_addrLen);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::link()
|
||||||
|
{
|
||||||
|
if (m_state != DS_NOTLINKED)
|
||||||
|
return;
|
||||||
|
|
||||||
|
m_state = DS_LINKING;
|
||||||
|
|
||||||
|
writePoll();
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::writePoll()
|
||||||
|
{
|
||||||
|
if (m_state != DS_LINKING && m_state != DS_LINKED)
|
||||||
|
return;
|
||||||
|
|
||||||
|
m_pollTimer.start();
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Sent", m_poll, 14U);
|
||||||
|
|
||||||
|
m_socket.write(m_poll, 14U, m_addr, m_addrLen);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::unlink()
|
||||||
|
{
|
||||||
|
if (m_state != DS_LINKED)
|
||||||
|
return;
|
||||||
|
|
||||||
|
m_pollTimer.stop();
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Sent", m_unlink, 14U);
|
||||||
|
|
||||||
|
m_socket.write(m_unlink, 14U, m_addr, m_addrLen);
|
||||||
|
|
||||||
|
LogMessage("Unlinked from %s", m_name.c_str());
|
||||||
|
|
||||||
|
m_state = DS_NOTLINKED;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::clock(unsigned int ms)
|
||||||
|
{
|
||||||
|
if (m_state == DS_NOTOPEN)
|
||||||
|
return;
|
||||||
|
|
||||||
|
m_pollTimer.clock(ms);
|
||||||
|
if (m_pollTimer.isRunning() && m_pollTimer.hasExpired())
|
||||||
|
writePoll();
|
||||||
|
|
||||||
|
unsigned char buffer[BUFFER_LENGTH];
|
||||||
|
sockaddr_storage addr;
|
||||||
|
unsigned int addrLen;
|
||||||
|
int length = m_socket.read(buffer, BUFFER_LENGTH, addr, addrLen);
|
||||||
|
if (length <= 0)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (m_addrLen == 0U)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (!CUDPSocket::match(addr, m_addr))
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Received", buffer, length);
|
||||||
|
|
||||||
|
// Throw away any options messages
|
||||||
|
if (::memcmp(buffer, "YSFO", 4U) == 0)
|
||||||
|
return;
|
||||||
|
|
||||||
|
// Throw away any info messages
|
||||||
|
if (::memcmp(buffer, "YSFI", 4U) == 0)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (::memcmp(buffer, "YSFP", 4U) == 0 && m_state == DS_LINKING) {
|
||||||
|
LogMessage("Linked to %s", m_name.c_str());
|
||||||
|
|
||||||
|
m_state = DS_LINKED;
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Sent", m_options, 50U);
|
||||||
|
|
||||||
|
m_socket.write(m_options, 50U, m_addr, m_addrLen);
|
||||||
|
|
||||||
|
if (m_debug)
|
||||||
|
CUtils::dump(1U, "YCS Network Data Sent", m_info, 80U);
|
||||||
|
|
||||||
|
m_socket.write(m_info, 80U, m_addr, m_addrLen);
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned char len = length;
|
||||||
|
m_buffer.addData(&len, 1U);
|
||||||
|
|
||||||
|
m_buffer.addData(buffer, length);
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned int CYCSNetwork::read(unsigned int dgid, unsigned char* data)
|
||||||
|
{
|
||||||
|
assert(data != NULL);
|
||||||
|
|
||||||
|
if (m_buffer.isEmpty())
|
||||||
|
return 0U;
|
||||||
|
|
||||||
|
unsigned char len = 0U;
|
||||||
|
m_buffer.getData(&len, 1U);
|
||||||
|
|
||||||
|
m_buffer.getData(data, len);
|
||||||
|
|
||||||
|
return len;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CYCSNetwork::close()
|
||||||
|
{
|
||||||
|
m_socket.close();
|
||||||
|
|
||||||
|
LogMessage("Closing YCS network connection");
|
||||||
|
|
||||||
|
m_state = DS_NOTOPEN;
|
||||||
|
}
|
||||||
@ -0,0 +1,74 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2009-2014,2016,2017,2018,2020 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef YCSNetwork_H
|
||||||
|
#define YCSNetwork_H
|
||||||
|
|
||||||
|
#include "DGIdNetwork.h"
|
||||||
|
#include "YSFDefines.h"
|
||||||
|
#include "UDPSocket.h"
|
||||||
|
#include "RingBuffer.h"
|
||||||
|
#include "Timer.h"
|
||||||
|
|
||||||
|
#include <cstdint>
|
||||||
|
#include <string>
|
||||||
|
|
||||||
|
class CYCSNetwork : public CDGIdNetwork {
|
||||||
|
public:
|
||||||
|
CYCSNetwork(unsigned int localPort, const std::string& name, const sockaddr_storage& addr, unsigned int addrLen, const std::string& callsign, unsigned int rxFrequency, unsigned int txFrequency, const std::string& locator, const std::string& description, unsigned int id, unsigned int dgId, bool debug);
|
||||||
|
virtual ~CYCSNetwork();
|
||||||
|
|
||||||
|
virtual std::string getDesc(unsigned int dgId);
|
||||||
|
|
||||||
|
virtual unsigned int getDGId();
|
||||||
|
|
||||||
|
virtual bool open();
|
||||||
|
|
||||||
|
virtual DGID_STATUS getStatus();
|
||||||
|
|
||||||
|
virtual void link();
|
||||||
|
|
||||||
|
virtual void write(unsigned int dgId, const unsigned char* data);
|
||||||
|
|
||||||
|
virtual unsigned int read(unsigned int dgId, unsigned char* data);
|
||||||
|
|
||||||
|
virtual void clock(unsigned int ms);
|
||||||
|
|
||||||
|
virtual void unlink();
|
||||||
|
|
||||||
|
virtual void close();
|
||||||
|
|
||||||
|
private:
|
||||||
|
CUDPSocket m_socket;
|
||||||
|
bool m_debug;
|
||||||
|
sockaddr_storage m_addr;
|
||||||
|
unsigned int m_addrLen;
|
||||||
|
unsigned char* m_poll;
|
||||||
|
unsigned char* m_options;
|
||||||
|
unsigned char* m_info;
|
||||||
|
unsigned char* m_unlink;
|
||||||
|
CRingBuffer<unsigned char> m_buffer;
|
||||||
|
CTimer m_pollTimer;
|
||||||
|
std::string m_name;
|
||||||
|
DGID_STATUS m_state;
|
||||||
|
unsigned int m_dgId;
|
||||||
|
|
||||||
|
void writePoll();
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in new issue