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dvmhost/src/host/network/Network.cpp

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// SPDX-License-Identifier: GPL-2.0-only
/**
* Digital Voice Modem - Modem Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Modem Host Software
* @derivedfrom MMDVMHost (https://github.com/g4klx/MMDVMHost)
* @license GPLv2 License (https://opensource.org/licenses/GPL-2.0)
*
* Copyright (C) 2015,2016,2017 Jonathan Naylor, G4KLX
* Copyright (C) 2017-2024 Bryan Biedenkapp, N2PLL
*
*/
#include "Defines.h"
#include "common/edac/SHA256.h"
#include "common/network/RTPHeader.h"
#include "common/network/RTPFNEHeader.h"
#include "common/network/json/json.h"
#include "common/Log.h"
#include "common/Utils.h"
#include "network/Network.h"
using namespace network;
#include <cstdio>
#include <cassert>
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the Network class.
/// </summary>
/// <param name="address">Network Hostname/IP address to connect to.</param>
/// <param name="port">Network port number.</param>
/// <param name="localPort"></param>
/// <param name="peerId">Unique ID on the network.</param>
/// <param name="password">Network authentication password.</param>
/// <param name="duplex">Flag indicating full-duplex operation.</param>
/// <param name="debug">Flag indicating whether network debug is enabled.</param>
/// <param name="dmr">Flag indicating whether DMR is enabled.</param>
/// <param name="p25">Flag indicating whether P25 is enabled.</param>
/// <param name="nxdn">Flag indicating whether NXDN is enabled.</param>
/// <param name="slot1">Flag indicating whether DMR slot 1 is enabled for network traffic.</param>
/// <param name="slot2">Flag indicating whether DMR slot 2 is enabled for network traffic.</param>
/// <param name="allowActivityTransfer">Flag indicating that the system activity logs will be sent to the network.</param>
/// <param name="allowDiagnosticTransfer">Flag indicating that the system diagnostic logs will be sent to the network.</param>
/// <param name="updateLookup">Flag indicating that the system will accept radio ID and talkgroup ID lookups from the network.</param>
Network::Network(const std::string& address, uint16_t port, uint16_t localPort, uint32_t peerId, const std::string& password,
bool duplex, bool debug, bool dmr, bool p25, bool nxdn, bool slot1, bool slot2, bool allowActivityTransfer, bool allowDiagnosticTransfer, bool updateLookup, bool saveLookup) :
BaseNetwork(peerId, duplex, debug, slot1, slot2, allowActivityTransfer, allowDiagnosticTransfer, localPort),
m_pktLastSeq(0U),
m_address(address),
m_port(port),
m_password(password),
m_enabled(false),
m_dmrEnabled(dmr),
m_p25Enabled(p25),
m_nxdnEnabled(nxdn),
m_updateLookup(updateLookup),
m_saveLookup(saveLookup),
m_ridLookup(nullptr),
m_tidLookup(nullptr),
m_salt(nullptr),
m_retryTimer(1000U, 10U),
m_timeoutTimer(1000U, 60U),
m_pktSeq(0U),
m_loginStreamId(0U),
m_identity(),
m_rxFrequency(0U),
m_txFrequency(0U),
m_txOffsetMhz(0.0F),
m_chBandwidthKhz(0.0F),
m_channelId(0U),
m_channelNo(0U),
m_power(0U),
m_latitude(0.0F),
m_longitude(0.0F),
m_height(0),
m_location(),
m_restApiPassword(),
m_restApiPort(0),
m_conventional(false),
m_remotePeerId(0U)
{
assert(!address.empty());
assert(port > 0U);
assert(!password.empty());
m_salt = new uint8_t[sizeof(uint32_t)];
m_rxDMRStreamId = new uint32_t[2U];
m_rxDMRStreamId[0U] = 0U;
m_rxDMRStreamId[1U] = 0U;
m_rxP25StreamId = 0U;
m_rxNXDNStreamId = 0U;
}
/// <summary>
/// Finalizes a instance of the Network class.
/// </summary>
Network::~Network()
{
delete[] m_salt;
delete[] m_rxDMRStreamId;
}
/// <summary>
/// Resets the DMR ring buffer for the given slot.
/// </summary>
/// <param name="slotNo">DMR slot ring buffer to reset.</param>
void Network::resetDMR(uint32_t slotNo)
{
assert(slotNo == 1U || slotNo == 2U);
BaseNetwork::resetDMR(slotNo);
if (slotNo == 1U) {
m_rxDMRStreamId[0U] = 0U;
}
else {
m_rxDMRStreamId[1U] = 0U;
}
}
/// <summary>
/// Resets the P25 ring buffer.
/// </summary>
void Network::resetP25()
{
BaseNetwork::resetP25();
m_rxP25StreamId = 0U;
}
/// <summary>
/// Resets the NXDN ring buffer.
/// </summary>
void Network::resetNXDN()
{
BaseNetwork::resetNXDN();
m_rxNXDNStreamId = 0U;
}
/// <summary>
/// Sets the instances of the Radio ID and Talkgroup ID lookup tables.
/// </summary>
/// <param name="ridLookup">Radio ID Lookup Table Instance</param>
/// <param name="tidLookup">Talkgroup Rules Lookup Table Instance</param>
void Network::setLookups(lookups::RadioIdLookup* ridLookup, lookups::TalkgroupRulesLookup* tidLookup)
{
m_ridLookup = ridLookup;
m_tidLookup = tidLookup;
}
/// <summary>
/// Sets metadata configuration settings from the modem.
/// </summary>
/// <param name="identity"></param>
/// <param name="rxFrequency"></param>
/// <param name="txFrequency"></param>
/// <param name="txOffsetMhz"></param>
/// <param name="chBandwidthKhz"></param>
/// <param name="channelId"></param>
/// <param name="channelNo"></param>
/// <param name="power"></param>
/// <param name="latitude"></param>
/// <param name="longitude"></param>
/// <param name="height"></param>
/// <param name="location"></param>
void Network::setMetadata(const std::string& identity, uint32_t rxFrequency, uint32_t txFrequency, float txOffsetMhz, float chBandwidthKhz,
uint8_t channelId, uint32_t channelNo, uint32_t power, float latitude, float longitude, int height, const std::string& location)
{
m_identity = identity;
m_rxFrequency = rxFrequency;
m_txFrequency = txFrequency;
m_txOffsetMhz = txOffsetMhz;
m_chBandwidthKhz = chBandwidthKhz;
m_channelId = channelId;
m_channelNo = channelNo;
m_power = power;
m_latitude = latitude;
m_longitude = longitude;
m_height = height;
m_location = location;
}
/// <summary>
/// Sets REST API configuration settings from the modem.
/// </summary>
/// <param name="password"></param>
/// <param name="port"></param>
void Network::setRESTAPIData(const std::string& password, uint16_t port)
{
m_restApiPassword = password;
m_restApiPort = port;
}
/// <summary>
/// Sets endpoint preshared encryption key.
/// </summary>
void Network::setPresharedKey(const uint8_t* presharedKey)
{
m_socket->setPresharedKey(presharedKey);
}
/// <summary>
/// Updates the timer by the passed number of milliseconds.
/// </summary>
/// <param name="ms"></param>
void Network::clock(uint32_t ms)
{
if (m_status == NET_STAT_WAITING_CONNECT) {
m_retryTimer.clock(ms);
if (m_retryTimer.isRunning() && m_retryTimer.hasExpired()) {
if (m_enabled) {
bool ret = m_socket->open(m_addr.ss_family);
if (ret) {
ret = writeLogin();
if (!ret) {
m_retryTimer.start();
return;
}
m_status = NET_STAT_WAITING_LOGIN;
m_timeoutTimer.start();
}
}
m_retryTimer.start();
}
return;
}
// if we aren't enabled -- bail
if (!m_enabled) {
return;
}
// roll the RTP timestamp if no call is in progress
if ((m_status == NET_STAT_RUNNING) &&
(m_rxDMRStreamId[0U] == 0U && m_rxDMRStreamId[1U] == 0U) &&
m_rxP25StreamId == 0U && m_rxNXDNStreamId == 0U) {
frame::RTPHeader::resetStartTime();
}
sockaddr_storage address;
uint32_t addrLen;
frame::RTPHeader rtpHeader;
frame::RTPFNEHeader fneHeader;
int length = 0U;
// read message
UInt8Array buffer = m_frameQueue->read(length, address, addrLen, &rtpHeader, &fneHeader);
if (length > 0) {
if (!udp::Socket::match(m_addr, address)) {
LogError(LOG_NET, "Packet received from an invalid source");
return;
}
if (m_debug) {
LogDebug(LOG_NET, "RTP, peerId = %u, seq = %u, streamId = %u, func = %02X, subFunc = %02X", fneHeader.getPeerId(), rtpHeader.getSequence(),
fneHeader.getStreamId(), fneHeader.getFunction(), fneHeader.getSubFunction());
}
// ensure the RTP synchronization source ID matches the FNE peer ID
if (m_remotePeerId != 0U && rtpHeader.getSSRC() != m_remotePeerId) {
LogWarning(LOG_NET, "RTP header and traffic session do not agree on remote peer ID? %u != %u", rtpHeader.getSSRC(), m_remotePeerId);
// should this be a fatal error?
}
// is this RTP packet destined for us?
uint32_t peerId = fneHeader.getPeerId();
if (m_peerId != peerId) {
LogError(LOG_NET, "Packet received was not destined for us? peerId = %u", peerId);
return;
}
// peer connections should never encounter no stream ID
uint32_t streamId = fneHeader.getStreamId();
if (streamId == 0U) {
LogWarning(LOG_NET, "BUGBUG: strange RTP packet with no stream ID?");
}
m_pktSeq = rtpHeader.getSequence();
if (m_pktSeq == RTP_END_OF_CALL_SEQ) {
m_pktSeq = 0U;
m_pktLastSeq = 0U;
}
// process incoming message frame opcodes
switch (fneHeader.getFunction()) {
case NET_FUNC_PROTOCOL:
{
if (fneHeader.getSubFunction() == NET_PROTOCOL_SUBFUNC_DMR) { // Encapsulated DMR data frame
if (m_enabled && m_dmrEnabled) {
uint32_t slotNo = (buffer[15U] & 0x80U) == 0x80U ? 2U : 1U;
if (m_rxDMRStreamId[slotNo] == 0U) {
m_rxDMRStreamId[slotNo] = streamId;
m_pktLastSeq = m_pktSeq;
}
else {
if (m_rxDMRStreamId[slotNo] == streamId) {
if (m_pktSeq != 0U && m_pktLastSeq != 0U) {
if (m_pktSeq >= 1U && ((m_pktSeq != m_pktLastSeq + 1) && (m_pktSeq - 1 != m_pktLastSeq + 1))) {
LogWarning(LOG_NET, "DMR Stream %u out-of-sequence; %u != %u", streamId, m_pktSeq, m_pktLastSeq + 1);
}
}
m_pktLastSeq = m_pktSeq;
}
}
if (m_debug)
Utils::dump(1U, "Network Received, DMR", buffer.get(), length);
uint8_t len = length;
m_rxDMRData.addData(&len, 1U);
m_rxDMRData.addData(buffer.get(), len);
}
}
else if (fneHeader.getSubFunction() == NET_PROTOCOL_SUBFUNC_P25) { // Encapsulated P25 data frame
if (m_enabled && m_p25Enabled) {
if (m_rxP25StreamId == 0U) {
m_rxP25StreamId = streamId;
m_pktLastSeq = m_pktSeq;
}
else {
if (m_rxP25StreamId == streamId) {
if (m_pktSeq != 0U && m_pktLastSeq != 0U) {
if (m_pktSeq >= 1U && ((m_pktSeq != m_pktLastSeq + 1) && (m_pktSeq - 1 != m_pktLastSeq + 1))) {
LogWarning(LOG_NET, "P25 Stream %u out-of-sequence; %u != %u", streamId, m_pktSeq, m_pktLastSeq + 1);
}
}
m_pktLastSeq = m_pktSeq;
}
}
if (m_debug)
Utils::dump(1U, "Network Received, P25", buffer.get(), length);
uint8_t len = length;
m_rxP25Data.addData(&len, 1U);
m_rxP25Data.addData(buffer.get(), len);
}
}
else if (fneHeader.getSubFunction() == NET_PROTOCOL_SUBFUNC_NXDN) { // Encapsulated NXDN data frame
if (m_enabled && m_nxdnEnabled) {
if (m_rxNXDNStreamId == 0U) {
m_rxNXDNStreamId = streamId;
m_pktLastSeq = m_pktSeq;
}
else {
if (m_rxNXDNStreamId == streamId) {
if (m_pktSeq != 0U && m_pktLastSeq != 0U) {
if (m_pktSeq >= 1U && ((m_pktSeq != m_pktLastSeq + 1) && (m_pktSeq - 1 != m_pktLastSeq + 1))) {
LogWarning(LOG_NET, "NXDN Stream %u out-of-sequence; %u != %u", streamId, m_pktSeq, m_pktLastSeq + 1);
}
}
m_pktLastSeq = m_pktSeq;
}
}
if (m_debug)
Utils::dump(1U, "Network Received, NXDN", buffer.get(), length);
uint8_t len = length;
m_rxNXDNData.addData(&len, 1U);
m_rxNXDNData.addData(buffer.get(), len);
}
}
else {
Utils::dump("unknown protocol opcode from the master", buffer.get(), length);
}
}
break;
case NET_FUNC_MASTER:
{
if (fneHeader.getSubFunction() == NET_MASTER_SUBFUNC_WL_RID) { // Radio ID Whitelist
if (m_enabled && m_updateLookup) {
if (m_debug)
Utils::dump(1U, "Network Received, WL RID", buffer.get(), length);
if (m_ridLookup != nullptr) {
// update RID lists
uint32_t len = __GET_UINT32(buffer, 6U);
uint32_t offs = 11U;
for (uint32_t i = 0; i < len; i++) {
uint32_t id = __GET_UINT16(buffer, offs);
m_ridLookup->toggleEntry(id, true);
offs += 4U;
}
LogMessage(LOG_NET, "Network Announced %u whitelisted RIDs", len);
// save to file if enabled and we got RIDs
if (m_saveLookup && len > 0) {
m_ridLookup->commit();
}
}
}
}
else if (fneHeader.getSubFunction() == NET_MASTER_SUBFUNC_BL_RID) { // Radio ID Blacklist
if (m_enabled && m_updateLookup) {
if (m_debug)
Utils::dump(1U, "Network Received, BL RID", buffer.get(), length);
if (m_ridLookup != nullptr) {
// update RID lists
uint32_t len = __GET_UINT32(buffer, 6U);
uint32_t offs = 11U;
for (uint32_t i = 0; i < len; i++) {
uint32_t id = __GET_UINT16(buffer, offs);
m_ridLookup->toggleEntry(id, false);
offs += 4U;
}
LogMessage(LOG_NET, "Network Announced %u blacklisted RIDs", len);
// save to file if enabled and we got RIDs
if (m_saveLookup && len > 0) {
m_ridLookup->commit();
}
}
}
}
else if (fneHeader.getSubFunction() == NET_MASTER_SUBFUNC_ACTIVE_TGS) { // Talkgroup Active IDs
if (m_enabled && m_updateLookup) {
if (m_debug)
Utils::dump(1U, "Network Received, ACTIVE TGS", buffer.get(), length);
if (m_tidLookup != nullptr) {
// update TGID lists
uint32_t len = __GET_UINT32(buffer, 6U);
uint32_t offs = 11U;
for (uint32_t i = 0; i < len; i++) {
uint32_t id = __GET_UINT16(buffer, offs);
uint8_t slot = (buffer[offs + 3U]) & 0x03U;
bool nonPreferred = (buffer[offs + 3U] & 0x80U) == 0x80U;
lookups::TalkgroupRuleGroupVoice tid = m_tidLookup->find(id, slot);
// if the TG is marked as non-preferred, and the TGID exists in the local entries
// erase the local and overwrite with the FNE data
if (nonPreferred) {
if (!tid.isInvalid()) {
m_tidLookup->eraseEntry(id, slot);
tid = m_tidLookup->find(id, slot);
}
}
if (tid.isInvalid()) {
if (!tid.config().active()) {
m_tidLookup->eraseEntry(id, slot);
}
LogMessage(LOG_NET, "Activated%s TG %u TS %u in TGID table", (nonPreferred) ? " non-preferred" : "", id, slot);
m_tidLookup->addEntry(id, slot, true, nonPreferred);
}
offs += 5U;
}
LogMessage(LOG_NET, "Activated %u TGs; loaded %u entries into lookup table", len, m_tidLookup->groupVoice().size());
// save if saving from network is enabled
if (m_saveLookup && len > 0) {
m_tidLookup->commit();
}
}
}
}
else if (fneHeader.getSubFunction() == NET_MASTER_SUBFUNC_DEACTIVE_TGS) { // Talkgroup Deactivated IDs
if (m_enabled && m_updateLookup) {
if (m_debug)
Utils::dump(1U, "Network Received, DEACTIVE TGS", buffer.get(), length);
if (m_tidLookup != nullptr) {
// update TGID lists
uint32_t len = __GET_UINT32(buffer, 6U);
uint32_t offs = 11U;
for (uint32_t i = 0; i < len; i++) {
uint32_t id = __GET_UINT16(buffer, offs);
uint8_t slot = (buffer[offs + 3U]);
lookups::TalkgroupRuleGroupVoice tid = m_tidLookup->find(id, slot);
if (!tid.isInvalid()) {
LogMessage(LOG_NET, "Deactivated TG %u TS %u in TGID table", id, slot);
m_tidLookup->eraseEntry(id, slot);
}
offs += 5U;
}
LogMessage(LOG_NET, "Deactivated %u TGs; loaded %u entries into lookup table", len, m_tidLookup->groupVoice().size());
// save if saving from network is enabled
if (m_saveLookup && len > 0) {
m_tidLookup->commit();
}
}
}
}
else {
Utils::dump("unknown master control opcode from the master", buffer.get(), length);
}
}
break;
case NET_FUNC_NAK: // Master Negative Ack
{
// DVM 3.6 adds support to respond with a NAK reason, as such we just check if the NAK response is greater
// then 10 bytes and process the reason value
uint16_t reason = 0U;
if (length > 10) {
reason = __GET_UINT16B(buffer, 10U);
switch (reason) {
case NET_CONN_NAK_MODE_NOT_ENABLED:
LogWarning(LOG_NET, "PEER %u master NAK; digital mode not enabled on FNE, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_ILLEGAL_PACKET:
LogWarning(LOG_NET, "PEER %u master NAK; illegal/unknown packet, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_FNE_UNAUTHORIZED:
LogWarning(LOG_NET, "PEER %u master NAK; unauthorized, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_BAD_CONN_STATE:
LogWarning(LOG_NET, "PEER %u master NAK; bad connection state, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_INVALID_CONFIG_DATA:
LogWarning(LOG_NET, "PEER %u master NAK; invalid configuration data, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_FNE_MAX_CONN:
LogWarning(LOG_NET, "PEER %u master NAK; FNE has reached maximum permitted connections, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_PEER_RESET:
LogWarning(LOG_NET, "PEER %u master NAK; FNE demanded connection reset, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_PEER_ACL:
LogWarning(LOG_NET, "PEER %u master NAK; ACL rejection, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
case NET_CONN_NAK_GENERAL_FAILURE:
default:
LogWarning(LOG_NET, "PEER %u master NAK; general failure, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
break;
}
}
if (m_status == NET_STAT_RUNNING || (reason == NET_CONN_NAK_FNE_MAX_CONN)) {
LogWarning(LOG_NET, "PEER %u master NAK; attemping to relogin, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
m_status = NET_STAT_WAITING_LOGIN;
m_timeoutTimer.start();
m_retryTimer.start();
}
else {
LogError(LOG_NET, "PEER %u master NAK; network reconnect, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
close();
open();
return;
}
}
break;
case NET_FUNC_ACK: // Repeater Ack
{
switch (m_status) {
case NET_STAT_WAITING_LOGIN:
LogDebug(LOG_NET, "PEER %u RPTL ACK, performing login exchange, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
::memcpy(m_salt, buffer.get() + 6U, sizeof(uint32_t));
writeAuthorisation();
m_status = NET_STAT_WAITING_AUTHORISATION;
m_timeoutTimer.start();
m_retryTimer.start();
break;
case NET_STAT_WAITING_AUTHORISATION:
LogDebug(LOG_NET, "PEER %u RPTK ACK, performing configuration exchange, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
writeConfig();
m_status = NET_STAT_WAITING_CONFIG;
m_timeoutTimer.start();
m_retryTimer.start();
break;
case NET_STAT_WAITING_CONFIG:
LogMessage(LOG_NET, "PEER %u RPTC ACK, logged into the master successfully, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
m_loginStreamId = 0U;
m_remotePeerId = rtpHeader.getSSRC();
pktSeq(true);
m_status = NET_STAT_RUNNING;
m_timeoutTimer.start();
m_retryTimer.start();
if (length > 6) {
m_useAlternatePortForDiagnostics = (buffer[6U] & 0x80U) == 0x80U;
if (m_useAlternatePortForDiagnostics) {
LogMessage(LOG_NET, "PEER %u RPTC ACK, master commanded alternate port for diagnostics and activity logging, remotePeerId = %u", m_peerId, rtpHeader.getSSRC());
}
}
break;
default:
break;
}
}
break;
case NET_FUNC_MST_CLOSING: // Master Shutdown
{
LogError(LOG_NET, "PEER %u master is closing down, remotePeerId = %u", m_peerId, m_remotePeerId);
close();
open();
}
break;
case NET_FUNC_PONG: // Master Ping Response
m_timeoutTimer.start();
break;
default:
Utils::dump("unknown opcode from the master", buffer.get(), length);
}
}
m_retryTimer.clock(ms);
if (m_retryTimer.isRunning() && m_retryTimer.hasExpired()) {
switch (m_status) {
case NET_STAT_WAITING_LOGIN:
LogError(LOG_NET, "PEER %u, retrying master login, remotePeerId = %u", m_peerId, m_remotePeerId);
writeLogin();
break;
case NET_STAT_WAITING_AUTHORISATION:
writeAuthorisation();
break;
case NET_STAT_WAITING_CONFIG:
writeConfig();
break;
case NET_STAT_RUNNING:
writePing();
break;
default:
break;
}
m_retryTimer.start();
}
m_timeoutTimer.clock(ms);
if (m_timeoutTimer.isRunning() && m_timeoutTimer.hasExpired()) {
LogError(LOG_NET, "PEER %u connection to the master has timed out, retrying connection, remotePeerId = %u", m_peerId, m_remotePeerId);
close();
open();
}
}
/// <summary>
/// Opens connection to the network.
/// </summary>
/// <returns></returns>
bool Network::open()
{
if (!m_enabled)
return false;
if (m_debug)
LogMessage(LOG_NET, "PEER %u opening network", m_peerId);
if (udp::Socket::lookup(m_address, m_port, m_addr, m_addrLen) != 0) {
LogMessage(LOG_NET, "Could not lookup the address of the master");
return false;
}
m_status = NET_STAT_WAITING_CONNECT;
m_timeoutTimer.start();
m_retryTimer.start();
return true;
}
/// <summary>
/// Closes connection to the network.
/// </summary>
void Network::close()
{
if (m_debug)
LogMessage(LOG_NET, "PEER %u closing Network", m_peerId);
if (m_status == NET_STAT_RUNNING) {
uint8_t buffer[1U];
::memset(buffer, 0x00U, 1U);
writeMaster({ NET_FUNC_RPT_CLOSING, NET_SUBFUNC_NOP }, buffer, 1U, pktSeq(true), createStreamId());
}
m_socket->close();
m_retryTimer.stop();
m_timeoutTimer.stop();
m_status = NET_STAT_WAITING_CONNECT;
}
/// <summary>
/// Sets flag enabling network communication.
/// </summary>
/// <param name="enabled"></param>
void Network::enable(bool enabled)
{
m_enabled = enabled;
}
// ---------------------------------------------------------------------------
// Protected Class Members
// ---------------------------------------------------------------------------
/// <summary>
/// Writes login request to the network.
/// </summary>
/// <returns></returns>
bool Network::writeLogin()
{
if (!m_enabled) {
return false;
}
uint8_t buffer[8U];
::memcpy(buffer + 0U, TAG_REPEATER_LOGIN, 4U);
__SET_UINT32(m_peerId, buffer, 4U); // Peer ID
if (m_debug)
Utils::dump(1U, "Network Message, Login", buffer, 8U);
m_loginStreamId = createStreamId();
m_remotePeerId = 0U;
return writeMaster({ NET_FUNC_RPTL, NET_SUBFUNC_NOP }, buffer, 8U, pktSeq(true), m_loginStreamId);
}
/// <summary>
/// Writes network authentication challenge.
/// </summary>
/// <returns></returns>
bool Network::writeAuthorisation()
{
if (m_loginStreamId == 0U) {
LogWarning(LOG_NET, "BUGBUG: tried to write network authorisation with no stream ID?");
return false;
}
size_t size = m_password.size();
uint8_t* in = new uint8_t[size + sizeof(uint32_t)];
::memcpy(in, m_salt, sizeof(uint32_t));
for (size_t i = 0U; i < size; i++)
in[i + sizeof(uint32_t)] = m_password.at(i);
uint8_t out[40U];
::memcpy(out + 0U, TAG_REPEATER_AUTH, 4U);
__SET_UINT32(m_peerId, out, 4U); // Peer ID
edac::SHA256 sha256;
sha256.buffer(in, (uint32_t)(size + sizeof(uint32_t)), out + 8U);
delete[] in;
if (m_debug)
Utils::dump(1U, "Network Message, Authorisation", out, 40U);
return writeMaster({ NET_FUNC_RPTK, NET_SUBFUNC_NOP }, out, 40U, pktSeq(), m_loginStreamId);
}
/// <summary>
/// Writes modem configuration to the network.
/// </summary>
/// <returns></returns>
bool Network::writeConfig()
{
if (m_loginStreamId == 0U) {
LogWarning(LOG_NET, "BUGBUG: tried to write network authorisation with no stream ID?");
return false;
}
const char* software = __NETVER__;
json::object config = json::object();
// identity and frequency
config["identity"].set<std::string>(m_identity); // Identity
config["rxFrequency"].set<uint32_t>(m_rxFrequency); // Rx Frequency
config["txFrequency"].set<uint32_t>(m_txFrequency); // Tx Frequency
// system info
json::object sysInfo = json::object();
sysInfo["latitude"].set<float>(m_latitude); // Latitude
sysInfo["longitude"].set<float>(m_longitude); // Longitude
sysInfo["height"].set<int>(m_height); // Height
sysInfo["location"].set<std::string>(m_location); // Location
config["info"].set<json::object>(sysInfo);
// channel data
json::object channel = json::object();
channel["txPower"].set<uint32_t>(m_power); // Tx Power
channel["txOffsetMhz"].set<float>(m_txOffsetMhz); // Tx Offset (Mhz)
channel["chBandwidthKhz"].set<float>(m_chBandwidthKhz); // Ch. Bandwidth (khz)
channel["channelId"].set<uint8_t>(m_channelId); // Channel ID
channel["channelNo"].set<uint32_t>(m_channelNo); // Channel No
config["channel"].set<json::object>(channel);
// RCON
json::object rcon = json::object();
rcon["password"].set<std::string>(m_restApiPassword); // REST API Password
rcon["port"].set<uint16_t>(m_restApiPort); // REST API Port
config["rcon"].set<json::object>(rcon);
config["conventionalPeer"].set<bool>(m_conventional); // Conventional Peer Marker
config["software"].set<std::string>(std::string(software)); // Software ID
json::value v = json::value(config);
std::string json = v.serialize();
char buffer[json.length() + 9U];
::memcpy(buffer + 0U, TAG_REPEATER_CONFIG, 4U);
::snprintf(buffer + 8U, json.length() + 1U, "%s", json.c_str());
if (m_debug) {
Utils::dump(1U, "Network Message, Configuration", (uint8_t*)buffer, json.length() + 8U);
}
return writeMaster({ NET_FUNC_RPTC, NET_SUBFUNC_NOP }, (uint8_t*)buffer, json.length() + 8U, RTP_END_OF_CALL_SEQ, m_loginStreamId);
}
/// <summary>
/// Writes a network stay-alive ping.
/// </summary>
bool Network::writePing()
{
uint8_t buffer[1U];
::memset(buffer, 0x00U, 1U);
if (m_debug)
Utils::dump(1U, "Network Message, Ping", buffer, 11U);
return writeMaster({ NET_FUNC_PING, NET_SUBFUNC_NOP }, buffer, 1U, RTP_END_OF_CALL_SEQ, createStreamId());
}
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