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562 lines
12 KiB
562 lines
12 KiB
/*
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* Copyright (C) 2011,2013 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string.h>
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#include <cassert>
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#include "Utils.h"
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#include "RemoteControlRemoteControlHandler.h"
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#include "DStarDefines.h"
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const unsigned int BUFFER_LENGTH = 2000U;
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const unsigned int MAX_RETRIES = 3U;
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CRemoteControlRemoteControlHandler::CRemoteControlRemoteControlHandler(const std::string& address, unsigned int port) :
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m_socket("", 0U),
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m_address(),
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m_port(port),
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m_loggedIn(false),
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m_retryCount(0U),
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m_type(RCT_NONE),
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m_inBuffer(NULL),
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m_inLength(0U),
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m_outBuffer(NULL),
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m_outLength(0U)
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{
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assert(!address.empty());
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assert(port > 0U);
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m_address = CUDPReaderWriter::lookup(address);
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m_inBuffer = new unsigned char[BUFFER_LENGTH];
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m_outBuffer = new unsigned char[BUFFER_LENGTH];
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}
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CRemoteControlRemoteControlHandler::~CRemoteControlRemoteControlHandler()
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{
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delete[] m_inBuffer;
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delete[] m_outBuffer;
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}
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bool CRemoteControlRemoteControlHandler::open()
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{
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return m_socket.open();
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}
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RC_TYPE CRemoteControlRemoteControlHandler::readType()
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{
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m_type = RCT_NONE;
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in_addr address;
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unsigned int port;
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int length = m_socket.read(m_inBuffer, BUFFER_LENGTH, address, port);
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if (length <= 0)
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return m_type;
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m_inLength = length;
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if (::memcmp(m_inBuffer, "ACK", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_ACK;
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return m_type;
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} else if (::memcmp(m_inBuffer, "NAK", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_NAK;
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return m_type;
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} else if (::memcmp(m_inBuffer, "RND", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_RANDOM;
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return m_type;
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} else if (::memcmp(m_inBuffer, "CAL", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_CALLSIGNS;
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return m_type;
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} else if (::memcmp(m_inBuffer, "RPT", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_REPEATER;
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return m_type;
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} else if (::memcmp(m_inBuffer, "SNT", 3U) == 0) {
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m_retryCount = 0U;
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m_type = RCT_STARNET;
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return m_type;
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}
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return m_type;
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}
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std::string CRemoteControlRemoteControlHandler::readNAK()
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{
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if (m_type != RCT_NAK)
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return "";
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std::string text((char*)(m_inBuffer + 3U));
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return text;
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}
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unsigned int CRemoteControlRemoteControlHandler::readRandom()
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{
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if (m_type != RCT_RANDOM)
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return 0U;
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uint32_t random;
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::memcpy(&random, m_inBuffer + 3U, sizeof(uint32_t));
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return CUtils::swap_endian_be(random);
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}
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CRemoteControlCallsignData* CRemoteControlRemoteControlHandler::readCallsigns()
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{
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if (m_type != RCT_CALLSIGNS)
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return NULL;
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CRemoteControlCallsignData* data = new CRemoteControlCallsignData;
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unsigned char* p = m_inBuffer + 3U;
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unsigned int pos = 3U;
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while (pos < m_inLength) {
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unsigned char type = *p;
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pos += 1U;
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p += 1U;
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std::string callsign((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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switch (type) {
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case 'R':
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data->addRepeater(callsign);
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break;
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case 'S':
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data->addStarNet(callsign);
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break;
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default: // ????
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break;
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}
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}
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return data;
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}
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CRemoteControlRepeaterData* CRemoteControlRemoteControlHandler::readRepeater()
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{
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if (m_type != RCT_REPEATER)
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return NULL;
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unsigned char* p = m_inBuffer + 3U;
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unsigned int pos = 3U;
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std::string callsign((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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int32_t reconnect;
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::memcpy(&reconnect, p, sizeof(int32_t));
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pos += sizeof(int32_t);
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p += sizeof(int32_t);
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std::string reflector((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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CRemoteControlRepeaterData* data = new CRemoteControlRepeaterData(callsign, CUtils::swap_endian_be(reconnect), reflector);
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while (pos < m_inLength) {
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std::string callsign((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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int32_t protocol;
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::memcpy(&protocol, p, sizeof(int32_t));
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pos += sizeof(int32_t);
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p += sizeof(int32_t);
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int32_t linked;
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::memcpy(&linked, p, sizeof(int32_t));
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pos += sizeof(int32_t);
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p += sizeof(int32_t);
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int32_t direction;
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::memcpy(&direction, p, sizeof(int32_t));
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pos += sizeof(int32_t);
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p += sizeof(int32_t);
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int32_t dongle;
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::memcpy(&dongle, p, sizeof(int32_t));
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pos += sizeof(int32_t);
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p += sizeof(int32_t);
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data->addLink(callsign, CUtils::swap_endian_be(protocol), CUtils::swap_endian_be(linked), CUtils::swap_endian_be(direction), CUtils::swap_endian_be(dongle));
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}
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return data;
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}
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CRemoteControlStarNetGroup* CRemoteControlRemoteControlHandler::readStarNetGroup()
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{
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if (m_type != RCT_STARNET)
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return NULL;
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unsigned char* p = m_inBuffer + 3U;
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unsigned int pos = 3U;
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std::string callsign((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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std::string logoff((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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uint32_t timer;
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::memcpy(&timer, p, sizeof(uint32_t));
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pos += sizeof(uint32_t);
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p += sizeof(uint32_t);
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uint32_t timeout;
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::memcpy(&timeout, p, sizeof(uint32_t));
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pos += sizeof(uint32_t);
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p += sizeof(uint32_t);
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CRemoteControlStarNetGroup* group = new CRemoteControlStarNetGroup(callsign, logoff, CUtils::swap_endian_be(timer), CUtils::swap_endian_be(timeout));
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while (pos < m_inLength) {
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std::string callsign((char*)p, LONG_CALLSIGN_LENGTH);
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pos += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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::memcpy(&timer, p, sizeof(uint32_t));
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pos += sizeof(uint32_t);
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p += sizeof(uint32_t);
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::memcpy(&timeout, p, sizeof(uint32_t));
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pos += sizeof(uint32_t);
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p += sizeof(uint32_t);
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group->addUser(callsign, CUtils::swap_endian_be(timer), CUtils::swap_endian_be(timeout));
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}
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return group;
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}
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bool CRemoteControlRemoteControlHandler::login()
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{
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if (m_loggedIn)
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return false;
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if (m_address.s_addr == INADDR_NONE)
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return false;
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::memcpy(m_outBuffer, "LIN", 3U);
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m_outLength = 3U;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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void CRemoteControlRemoteControlHandler::setLoggedIn(bool set)
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{
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m_loggedIn = set;
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}
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bool CRemoteControlRemoteControlHandler::getCallsigns()
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{
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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::memcpy(m_outBuffer, "GCS", 3U);
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m_outLength = 3U;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::sendHash(const unsigned char* hash, unsigned int length)
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{
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assert(hash != NULL);
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assert(length > 0U);
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if (m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "SHA", 3U);
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m_outLength += 3U;
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p += 3U;
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::memcpy(p, hash, length);
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m_outLength += length;
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p += length;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::getRepeater(const std::string& callsign)
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{
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assert(!callsign.empty());
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "GRP", 3U);
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m_outLength += 3U;
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p += 3U;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < callsign.length(); i++)
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p[i] = callsign.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::getStarNet(const std::string& callsign)
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{
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assert(!callsign.empty());
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "GSN", 3U);
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m_outLength += 3U;
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p += 3U;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < callsign.length(); i++)
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p[i] = callsign.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::link(const std::string& callsign, RECONNECT reconnect, const std::string& reflector)
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{
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assert(!callsign.empty());
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "LNK", 3U);
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m_outLength += 3U;
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p += 3U;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < callsign.length(); i++)
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p[i] = callsign.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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int32_t temp1 = int32_t(reconnect);
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int32_t temp2 = CUtils::swap_endian_be(temp1);
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::memcpy(p, &temp2, sizeof(int32_t));
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m_outLength += sizeof(int32_t);
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p += sizeof(int32_t);
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < reflector.length(); i++)
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p[i] = reflector.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::unlink(const std::string& callsign, PROTOCOL protocol, const std::string& reflector)
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{
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assert(!callsign.empty());
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "UNL", 3U);
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m_outLength += 3U;
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p += 3U;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < callsign.length(); i++)
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p[i] = callsign.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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int32_t temp1 = int32_t(protocol);
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int32_t temp2 = CUtils::swap_endian_be(temp1);
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::memcpy(p, &temp2, sizeof(int32_t));
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m_outLength += sizeof(int32_t);
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p += sizeof(int32_t);
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < reflector.length(); i++)
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p[i] = reflector.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::logoff(const std::string& callsign, const std::string& user)
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{
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assert(!callsign.empty());
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assert(!user.empty());
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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unsigned char* p = m_outBuffer;
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m_outLength = 0U;
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::memcpy(p, "LGO", 3U);
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m_outLength += 3U;
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p += 3U;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < callsign.length(); i++)
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p[i] = callsign.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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::memset(p, ' ', LONG_CALLSIGN_LENGTH);
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for (unsigned int i = 0U; i < user.length(); i++)
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p[i] = user.at(i);
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m_outLength += LONG_CALLSIGN_LENGTH;
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p += LONG_CALLSIGN_LENGTH;
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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} else {
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m_retryCount = 1U;
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return true;
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}
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}
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bool CRemoteControlRemoteControlHandler::logout()
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{
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if (!m_loggedIn || m_retryCount > 0U)
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return false;
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::memcpy(m_outBuffer, "LOG", 3U);
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m_outLength = 3U;
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for (unsigned int i = 0U; i < 5U; i++) {
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bool ret = m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
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if (!ret) {
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m_retryCount = 0U;
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return false;
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}
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}
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m_retryCount = 1U;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CRemoteControlRemoteControlHandler::retry()
|
|
{
|
|
if (m_retryCount > 0U) {
|
|
m_retryCount++;
|
|
if (m_retryCount >= MAX_RETRIES) {
|
|
m_retryCount = 0U;
|
|
return false;
|
|
}
|
|
|
|
m_socket.write(m_outBuffer, m_outLength, m_address, m_port);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void CRemoteControlRemoteControlHandler::close()
|
|
{
|
|
m_socket.close();
|
|
}
|