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dvmhost/src/dfsi/network/DfsiPeerNetwork.cpp

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Digital Voice Modem - DFSI V.24/UDP Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright (C) 2024 Patrick McDonnell, W3AXL
* Copyright (C) 2024 Bryan Biedenkapp, N2PLL
*
*/
#include "dfsi/Defines.h"
#include "common/network/json/json.h"
#include "common/p25/dfsi/DFSIDefines.h"
#include "common/p25/dfsi/LC.h"
#include "common/Utils.h"
#include "network/DfsiPeerNetwork.h"
using namespace network;
#include <cassert>
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
/* Initializes a new instance of the PeerNetwork class. */
DfsiPeerNetwork::DfsiPeerNetwork(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) :
Network(address, port, localPort, peerId, password, duplex, debug, dmr, p25, nxdn, slot1, slot2, allowActivityTransfer, allowDiagnosticTransfer, updateLookup, saveLookup)
{
assert(!address.empty());
assert(port > 0U);
assert(!password.empty());
}
/* Writes P25 LDU1 frame data to the network. */
bool DfsiPeerNetwork::writeP25LDU1(const p25::lc::LC& control, const p25::data::LowSpeedData& lsd, const uint8_t* data, P25DEF::FrameType::E frameType)
{
if (m_status != NET_STAT_RUNNING && m_status != NET_STAT_MST_RUNNING)
return false;
bool resetSeq = false;
if (m_p25StreamId == 0U) {
resetSeq = true;
m_p25StreamId = createStreamId();
}
uint32_t messageLength = 0U;
UInt8Array message = createP25_LDU1Message_Raw(messageLength, control, lsd, data, frameType);
if (message == nullptr) {
return false;
}
return writeMaster({ NET_FUNC::PROTOCOL, NET_SUBFUNC::PROTOCOL_SUBFUNC_P25 }, message.get(), messageLength, pktSeq(resetSeq), m_p25StreamId);
}
/* Writes P25 LDU2 frame data to the network. */
bool DfsiPeerNetwork::writeP25LDU2(const p25::lc::LC& control, const p25::data::LowSpeedData& lsd, const uint8_t* data)
{
if (m_status != NET_STAT_RUNNING && m_status != NET_STAT_MST_RUNNING)
return false;
bool resetSeq = false;
if (m_p25StreamId == 0U) {
resetSeq = true;
m_p25StreamId = createStreamId();
}
uint32_t messageLength = 0U;
UInt8Array message = createP25_LDU2Message_Raw(messageLength, control, lsd, data);
if (message == nullptr) {
return false;
}
return writeMaster({ NET_FUNC::PROTOCOL, NET_SUBFUNC::PROTOCOL_SUBFUNC_P25 }, message.get(), messageLength, pktSeq(resetSeq), m_p25StreamId);
}
// ---------------------------------------------------------------------------
// Protected Class Members
// ---------------------------------------------------------------------------
/* Writes configuration to the network. */
bool DfsiPeerNetwork::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["software"].set<std::string>(std::string(software)); // Software ID
json::value v = json::value(config);
std::string json = v.serialize();
char buffer[json.length() + 8U];
::memcpy(buffer + 0U, TAG_REPEATER_CONFIG, 4U);
::sprintf(buffer + 8U, "%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, pktSeq(), m_loginStreamId);
}
// ---------------------------------------------------------------------------
// Private Class Members
// ---------------------------------------------------------------------------
/* Creates an P25 LDU1 frame message. */
UInt8Array DfsiPeerNetwork::createP25_LDU1Message_Raw(uint32_t& length, const p25::lc::LC& control, const p25::data::LowSpeedData& lsd,
const uint8_t* data, P25DEF::FrameType::E frameType)
{
using namespace p25::dfsi::defines;
using namespace p25::defines;
assert(data != nullptr);
p25::dfsi::LC dfsiLC = p25::dfsi::LC(control, lsd);
uint8_t* buffer = new uint8_t[P25_LDU1_PACKET_LENGTH + PACKET_PAD];
::memset(buffer, 0x00U, P25_LDU1_PACKET_LENGTH + PACKET_PAD);
// construct P25 message header
createP25_MessageHdr(buffer, DUID::LDU1, control, lsd, frameType);
// pack DFSI data
uint32_t count = MSG_HDR_SIZE;
uint8_t imbe[RAW_IMBE_LENGTH_BYTES];
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE1);
::memcpy(imbe, data + 10U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 24U, imbe);
count += DFSI_LDU1_VOICE1_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE2);
::memcpy(imbe, data + 26U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 46U, imbe);
count += DFSI_LDU1_VOICE2_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE3);
::memcpy(imbe, data + 55U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 60U, imbe);
count += DFSI_LDU1_VOICE3_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE4);
::memcpy(imbe, data + 80U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 77U, imbe);
count += DFSI_LDU1_VOICE4_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE5);
::memcpy(imbe, data + 105U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 94U, imbe);
count += DFSI_LDU1_VOICE5_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE6);
::memcpy(imbe, data + 130U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 111U, imbe);
count += DFSI_LDU1_VOICE6_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE7);
::memcpy(imbe, data + 155U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 128U, imbe);
count += DFSI_LDU1_VOICE7_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE8);
::memcpy(imbe, data + 180U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 145U, imbe);
count += DFSI_LDU1_VOICE8_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU1_VOICE9);
::memcpy(imbe, data + 204U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU1(buffer + 162U, imbe);
count += DFSI_LDU1_VOICE9_FRAME_LENGTH_BYTES;
buffer[23U] = count;
if (m_debug)
Utils::dump(1U, "Network Message, P25 LDU1", buffer, (P25_LDU1_PACKET_LENGTH + PACKET_PAD));
length = (P25_LDU1_PACKET_LENGTH + PACKET_PAD);
return UInt8Array(buffer);
}
/* Creates an P25 LDU2 frame message. */
UInt8Array DfsiPeerNetwork::createP25_LDU2Message_Raw(uint32_t& length, const p25::lc::LC& control, const p25::data::LowSpeedData& lsd,
const uint8_t* data)
{
using namespace p25::dfsi::defines;
using namespace p25::defines;
assert(data != nullptr);
p25::dfsi::LC dfsiLC = p25::dfsi::LC(control, lsd);
uint8_t* buffer = new uint8_t[P25_LDU2_PACKET_LENGTH + PACKET_PAD];
::memset(buffer, 0x00U, P25_LDU2_PACKET_LENGTH + PACKET_PAD);
// construct P25 message header
createP25_MessageHdr(buffer, DUID::LDU2, control, lsd, FrameType::DATA_UNIT);
// pack DFSI data
uint32_t count = MSG_HDR_SIZE;
uint8_t imbe[RAW_IMBE_LENGTH_BYTES];
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE10);
::memcpy(imbe, data + 10U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 24U, imbe);
count += DFSI_LDU2_VOICE10_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE11);
::memcpy(imbe, data + 26U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 46U, imbe);
count += DFSI_LDU2_VOICE11_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE12);
::memcpy(imbe, data + 55U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 60U, imbe);
count += DFSI_LDU2_VOICE12_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE13);
::memcpy(imbe, data + 80U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 77U, imbe);
count += DFSI_LDU2_VOICE13_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE14);
::memcpy(imbe, data + 105U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 94U, imbe);
count += DFSI_LDU2_VOICE14_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE15);
::memcpy(imbe, data + 130U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 111U, imbe);
count += DFSI_LDU2_VOICE15_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE16);
::memcpy(imbe, data + 155U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 128U, imbe);
count += DFSI_LDU2_VOICE16_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE17);
::memcpy(imbe, data + 180U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 145U, imbe);
count += DFSI_LDU2_VOICE17_FRAME_LENGTH_BYTES;
dfsiLC.setFrameType(DFSIFrameType::LDU2_VOICE18);
::memcpy(imbe, data + 204U, RAW_IMBE_LENGTH_BYTES);
dfsiLC.encodeLDU2(buffer + 162U, imbe);
count += DFSI_LDU2_VOICE18_FRAME_LENGTH_BYTES;
buffer[23U] = count;
if (m_debug)
Utils::dump(1U, "Network Message, P25 LDU2", buffer, (P25_LDU2_PACKET_LENGTH + PACKET_PAD));
length = (P25_LDU2_PACKET_LENGTH + PACKET_PAD);
return UInt8Array(buffer);
}

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