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dvmhost/src/sysview/network/PeerNetwork.cpp

324 lines
12 KiB

// SPDX-License-Identifier: PROPRIETARY
/*
* Digital Voice Modem - FNE System View
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright (C) 2024-2026 Bryan Biedenkapp, N2PLL
*
*/
#include "sysview/Defines.h"
#include "common/p25/dfsi/DFSIDefines.h"
#include "common/p25/dfsi/LC.h"
#include "common/json/json.h"
#include "common/zlib/zlib.h"
#include "common/Utils.h"
#include "network/PeerNetwork.h"
#include "SysViewMain.h"
using namespace network;
#include <cassert>
#include <fstream>
#include <streambuf>
// ---------------------------------------------------------------------------
// Constants
// ---------------------------------------------------------------------------
const uint32_t PEER_STATUS_EXPIRY = 10U; // 10 seconds
// ---------------------------------------------------------------------------
// Static Class Members
// ---------------------------------------------------------------------------
std::mutex PeerNetwork::s_peerStatusMutex;
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
/* Initializes a new instance of the PeerNetwork class. */
PeerNetwork::PeerNetwork(const std::string& address, uint16_t port, uint16_t localPort, uint32_t peerId, const std::string& password,
bool duplex, bool debug, bool allowActivityTransfer, bool allowDiagnosticTransfer, bool updateLookup, bool saveLookup) :
Network(address, port, localPort, peerId, password, duplex, debug, true, true, true, true, true, true, allowActivityTransfer, allowDiagnosticTransfer, updateLookup, saveLookup),
peerStatus(),
peerStatusTimers(),
m_peerReplica(false),
m_tgidPkt(true, "Peer Replication, TGID List"),
m_ridPkt(true, "Peer Replication, RID List")
{
assert(!address.empty());
assert(port > 0U);
assert(!password.empty());
// ignore the source peer ID for packets destined to SysView
m_promiscuousPeer = true;
}
// ---------------------------------------------------------------------------
// Protected Class Members
// ---------------------------------------------------------------------------
/* User overrideable handler that allows user code to process network packets not handled by this class. */
void PeerNetwork::userPacketHandler(uint32_t peerId, FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length, uint32_t streamId,
const frame::RTPFNEHeader& fneHeader, const frame::RTPHeader& rtpHeader)
{
switch (opcode.first) {
case NET_FUNC::TRANSFER:
{
switch (opcode.second) {
case NET_SUBFUNC::TRANSFER_SUBFUNC_ACTIVITY:
{
DECLARE_UINT8_ARRAY(rawPayload, length - 11U);
::memcpy(rawPayload, data + 11U, length - 11U);
std::string payload(rawPayload, rawPayload + (length - 11U));
bool currState = g_disableTimeDisplay;
g_disableTimeDisplay = true;
std::string identity = std::string();
auto it = std::find_if(g_peerIdentityNameMap.begin(), g_peerIdentityNameMap.end(), [&](PeerIdentityMapPair x) { return x.first == peerId; });
if (it != g_peerIdentityNameMap.end())
identity = g_peerIdentityNameMap[peerId];
::Log(9999U, {nullptr, nullptr, 0U, nullptr}, "%.9u (%8s) %s", peerId, identity.c_str(), payload.c_str());
g_disableTimeDisplay = currState;
}
break;
case NET_SUBFUNC::TRANSFER_SUBFUNC_STATUS:
{
DECLARE_UINT8_ARRAY(rawPayload, length - 11U);
::memcpy(rawPayload, data + 11U, length - 11U);
std::string payload(rawPayload, rawPayload + (length - 11U));
if (g_debug)
LogInfoEx(LOG_NET, "Peer Status, peerId = %u", peerId);
// parse JSON body
json::value v;
std::string err = json::parse(v, payload);
if (!err.empty()) {
break;
}
// ensure parsed JSON is an object
if (!v.is<json::object>()) {
break;
}
json::object obj = v.get<json::object>();
uint32_t actualPeerId = obj["peerId"].getDefault<uint32_t>(peerId);
std::lock_guard<std::mutex> lock(s_peerStatusMutex);
peerStatus[actualPeerId] = obj;
peerStatusTimers[actualPeerId].start(PEER_STATUS_EXPIRY);
}
break;
default:
break;
}
}
break;
case NET_FUNC::REPL:
{
switch (opcode.second) {
case NET_SUBFUNC::REPL_TALKGROUP_LIST:
{
uint32_t decompressedLen = 0U;
uint8_t* decompressed = nullptr;
if (m_tgidPkt.decode(data, &decompressed, &decompressedLen)) {
if (m_tidLookup == nullptr) {
LogError(LOG_NET, "Talkgroup ID lookups not available yet.");
m_tgidPkt.clear();
delete[] decompressed;
break;
}
// store to file
DECLARE_CHAR_ARRAY(str, decompressedLen + 1U);
::memcpy(str, decompressed, decompressedLen);
str[decompressedLen] = 0; // null termination
// randomize filename
std::ostringstream s;
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_int_distribution<uint32_t> dist(0x00U, 0xFFFFFFFFU);
s << "/tmp/talkgroup_rules.yml." << dist(mt);
std::string filename = s.str();
std::ofstream file(filename, std::ofstream::out);
if (file.fail()) {
LogError(LOG_NET, "Cannot open the talkgroup ID lookup file - %s", filename.c_str());
m_tgidPkt.clear();
delete[] decompressed;
break;
}
file << str;
file.close();
m_tidLookup->stop(true);
m_tidLookup->filename(filename);
m_tidLookup->reload();
// flag this peer as replica enabled
m_peerReplica = true;
// cleanup temporary file
::remove(filename.c_str());
m_tgidPkt.clear();
delete[] decompressed;
}
}
break;
case NET_SUBFUNC::REPL_RID_LIST:
{
uint32_t decompressedLen = 0U;
uint8_t* decompressed = nullptr;
if (m_ridPkt.decode(data, &decompressed, &decompressedLen)) {
if (m_ridLookup == nullptr) {
LogError(LOG_NET, "Radio ID lookups not available yet.");
m_ridPkt.clear();
delete[] decompressed;
break;
}
// store to file
DECLARE_CHAR_ARRAY(str, decompressedLen + 1U);
::memcpy(str, decompressed, decompressedLen);
str[decompressedLen] = 0; // null termination
// randomize filename
std::ostringstream s;
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_int_distribution<uint32_t> dist(0x00U, 0xFFFFFFFFU);
s << "/tmp/rid_acl.dat." << dist(mt);
std::string filename = s.str();
std::ofstream file(filename, std::ofstream::out);
if (file.fail()) {
LogError(LOG_NET, "Cannot open the radio ID lookup file - %s", filename.c_str());
m_ridPkt.clear();
delete[] decompressed;
break;
}
file << str;
file.close();
m_ridLookup->stop(true);
m_ridLookup->filename(filename);
m_ridLookup->reload();
// flag this peer as replica enabled
m_peerReplica = true;
// cleanup temporary file
::remove(filename.c_str());
m_ridPkt.clear();
delete[] decompressed;
}
}
break;
default:
break;
}
}
break;
default:
Utils::dump("Unknown opcode from the master", data, length);
break;
}
}
/* Writes configuration to the network. */
bool PeerNetwork::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_metadata->identity); // Identity
config["rxFrequency"].set<uint32_t>(m_metadata->rxFrequency); // Rx Frequency
config["txFrequency"].set<uint32_t>(m_metadata->txFrequency); // Tx Frequency
// system info
json::object sysInfo = json::object();
sysInfo["latitude"].set<float>(m_metadata->latitude); // Latitude
sysInfo["longitude"].set<float>(m_metadata->longitude); // Longitude
sysInfo["height"].set<int>(m_metadata->height); // Height
sysInfo["location"].set<std::string>(m_metadata->location); // Location
config["info"].set<json::object>(sysInfo);
// channel data
json::object channel = json::object();
channel["txPower"].set<uint32_t>(m_metadata->power); // Tx Power
channel["txOffsetMhz"].set<float>(m_metadata->txOffsetMhz); // Tx Offset (Mhz)
channel["chBandwidthKhz"].set<float>(m_metadata->chBandwidthKhz); // Ch. Bandwidth (khz)
channel["channelId"].set<uint8_t>(m_metadata->channelId); // Channel ID
channel["channelNo"].set<uint32_t>(m_metadata->channelNo); // Channel No
config["channel"].set<json::object>(channel);
// RCON
json::object rcon = json::object();
rcon["password"].set<std::string>(m_metadata->restApiPassword); // REST API Password
rcon["port"].set<uint16_t>(m_metadata->restApiPort); // REST API Port
config["rcon"].set<json::object>(rcon);
uint32_t peerClass = PEER_CONN_CLASS::PEER_CONN_CLASS_SYSVIEW;
config["peerClass"].set<uint32_t>(peerClass); // Peer Connection Class
config["masterPeerId"].set<uint32_t>(m_peerId); // Master Peer ID
bool convPeer = true;
config["conventionalPeer"].set<bool>(convPeer); // Conventional Peer Marker
/*
** bryanb: these are all deprecated -- they remain here for backwards compatibility with older master versions,
** but they are no longer used by the master and have no effect on R05A06 systems, and may be removed in a future release
** {
*/
bool external = true;
config["externalPeer"].set<bool>(external); // External Peer Marker
bool sysView = true;
config["sysView"].set<bool>(sysView); // SysView Peer Marker
/*
** }
*/
config["software"].set<std::string>(std::string(software)); // Software ID
json::value v = json::value(config);
std::string json = v.serialize();
DECLARE_CHAR_ARRAY(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, "PeerNetwork::writeConfig(), 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);
}

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