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356 lines
14 KiB
356 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/**
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* Digital Voice Modem - Converged FNE Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Converged FNE Software
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* @license GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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*
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* Copyright (C) 2023-2024 Bryan Biedenkapp, N2PLL
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*
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*/
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#if !defined(__FNE_NETWORK_H__)
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#define __FNE_NETWORK_H__
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#include "fne/Defines.h"
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#include "common/network/BaseNetwork.h"
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#include "common/network/json/json.h"
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#include "common/lookups/AffiliationLookup.h"
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#include "common/lookups/RadioIdLookup.h"
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#include "common/lookups/TalkgroupRulesLookup.h"
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#include "fne/network/influxdb/InfluxDB.h"
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#include "host/network/Network.h"
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#include <string>
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#include <cstdint>
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#include <unordered_map>
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#include <mutex>
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#include <pthread.h>
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// ---------------------------------------------------------------------------
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// Class Prototypes
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// ---------------------------------------------------------------------------
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class HOST_SW_API HostFNE;
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class HOST_SW_API RESTAPI;
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namespace network { namespace fne { class HOST_SW_API TagDMRData; } }
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namespace network { namespace fne { class HOST_SW_API TagP25Data; } }
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namespace network { namespace fne { class HOST_SW_API TagNXDNData; } }
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namespace network
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{
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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enum DVM_STATE {
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STATE_IDLE = 0U,
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// DMR
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STATE_DMR = 1U,
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// Project 25
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STATE_P25 = 2U,
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// NXDN
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STATE_NXDN = 3U,
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};
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#define INFLUXDB_ERRSTR_DISABLED_SRC_RID "disabled source RID"
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#define INFLUXDB_ERRSTR_DISABLED_DST_RID "disabled destination RID"
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#define INFLUXDB_ERRSTR_INV_TALKGROUP "illegal/invalid talkgroup"
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#define INFLUXDB_ERRSTR_DISABLED_TALKGROUP "disabled talkgroup"
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#define INFLUXDB_ERRSTR_INV_SLOT "invalid slot for talkgroup"
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// ---------------------------------------------------------------------------
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// Class Prototypes
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// ---------------------------------------------------------------------------
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class HOST_SW_API DiagNetwork;
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class HOST_SW_API FNENetwork;
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents an peer connection to the FNE.
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// ---------------------------------------------------------------------------
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class HOST_SW_API FNEPeerConnection {
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public:
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auto operator=(FNEPeerConnection&) -> FNEPeerConnection& = delete;
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auto operator=(FNEPeerConnection&&) -> FNEPeerConnection& = delete;
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FNEPeerConnection(FNEPeerConnection&) = delete;
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/// <summary>Initializes a new instance of the FNEPeerConnection class.</summary>
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FNEPeerConnection() :
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m_id(0U),
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m_currStreamId(0U),
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m_socketStorage(),
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m_sockStorageLen(0U),
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m_address(),
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m_port(),
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m_salt(0U),
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m_connected(false),
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m_connectionState(NET_STAT_INVALID),
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m_pingsReceived(0U),
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m_lastPing(0U),
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m_lastACLUpdate(0U),
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m_isExternalPeer(false),
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m_config(),
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m_pktLastSeq(0U),
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m_pktNextSeq(1U)
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{
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/* stub */
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}
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/// <summary>Initializes a new instance of the FNEPeerConnection class.</summary>
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/// <param name="id">Unique ID of this modem on the network.</param>
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/// <param name="socketStorage"></param>
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/// <param name="sockStorageLen"></param>
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FNEPeerConnection(uint32_t id, sockaddr_storage& socketStorage, uint32_t sockStorageLen) :
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m_id(id),
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m_currStreamId(0U),
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m_socketStorage(socketStorage),
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m_sockStorageLen(sockStorageLen),
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m_address(udp::Socket::address(socketStorage)),
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m_port(udp::Socket::port(socketStorage)),
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m_salt(0U),
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m_connected(false),
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m_connectionState(NET_STAT_INVALID),
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m_pingsReceived(0U),
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m_lastPing(0U),
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m_lastACLUpdate(0U),
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m_isExternalPeer(false),
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m_config(),
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m_pktLastSeq(0U),
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m_pktNextSeq(1U)
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{
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assert(id > 0U);
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assert(sockStorageLen > 0U);
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assert(!m_address.empty());
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assert(m_port > 0U);
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}
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public:
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/// <summary>Peer ID.</summary>
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__PROPERTY_PLAIN(uint32_t, id);
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/// <summary>Current Stream ID.</summary>
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__PROPERTY_PLAIN(uint32_t, currStreamId);
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/// <summary>Unix socket storage containing the connected address.</summary>
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__PROPERTY_PLAIN(sockaddr_storage, socketStorage);
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/// <summary>Length of the sockaddr_storage structure.</summary>
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__PROPERTY_PLAIN(uint32_t, sockStorageLen);
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/// <summary>IP address peer connected with.</<summary>
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__PROPERTY_PLAIN(std::string, address);
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/// <summary>Port number peer connected with.</summary>
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__PROPERTY_PLAIN(uint16_t, port);
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/// <summary>Salt value used for peer authentication.</summary>
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__PROPERTY_PLAIN(uint32_t, salt);
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/// <summary>Flag indicating whether or not the peer is connected.</summary>
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__PROPERTY_PLAIN(bool, connected);
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/// <summary>Connection state.</summary>
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__PROPERTY_PLAIN(NET_CONN_STATUS, connectionState);
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/// <summary>Number of pings received.</summary>
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__PROPERTY_PLAIN(uint32_t, pingsReceived);
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/// <summary>Last ping received.</summary>
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__PROPERTY_PLAIN(uint64_t, lastPing);
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/// <summary>Last ACL update sent.</summary>
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__PROPERTY_PLAIN(uint64_t, lastACLUpdate);
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/// <summary>Flag indicating this connection is from an external peer.</summary>
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__PROPERTY_PLAIN(bool, isExternalPeer);
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/// <summary>JSON objecting containing peer configuration information.</summary>
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__PROPERTY_PLAIN(json::object, config);
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/// <summary>Last received RTP sequence.</summary>
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__PROPERTY_PLAIN(uint16_t, pktLastSeq);
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/// <summary>Calculated next RTP sequence.</summary>
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__PROPERTY_PLAIN(uint16_t, pktNextSeq);
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};
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// ---------------------------------------------------------------------------
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// Structure Declaration
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// Represents the data required for a peer ACL update request thread.
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// ---------------------------------------------------------------------------
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struct ACLUpdateRequest {
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FNENetwork* network;
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uint32_t peerId;
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pthread_t thread;
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};
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// ---------------------------------------------------------------------------
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// Structure Declaration
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// Represents the data required for a network packet handler thread.
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// ---------------------------------------------------------------------------
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struct NetPacketRequest {
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FNENetwork* network;
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uint32_t peerId;
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sockaddr_storage address;
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uint32_t addrLen;
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frame::RTPHeader rtpHeader;
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frame::RTPFNEHeader fneHeader;
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int length = 0U;
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uint8_t *buffer;
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pthread_t thread;
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};
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Implements the core FNE networking logic.
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// ---------------------------------------------------------------------------
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class HOST_SW_API FNENetwork : public BaseNetwork {
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public:
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/// <summary>Initializes a new instance of the FNENetwork class.</summary>
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FNENetwork(HostFNE* host, const std::string& address, uint16_t port, uint32_t peerId, const std::string& password,
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bool debug, bool verbose, bool reportPeerPing, bool dmr, bool p25, bool nxdn, uint32_t parrotDelay, bool parrotGrantDemand,
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bool allowActivityTransfer, bool allowDiagnosticTransfer, uint32_t pingTime, uint32_t updateLookupTime);
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/// <summary>Finalizes a instance of the FNENetwork class.</summary>
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~FNENetwork() override;
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/// <summary>Helper to set configuration options.</summary>
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void setOptions(yaml::Node& conf, bool printOptions);
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/// <summary>Gets the current status of the network.</summary>
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NET_CONN_STATUS getStatus() { return m_status; }
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/// <summary>Gets the instance of the DMR traffic handler.</summary>
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fne::TagDMRData* dmrTrafficHandler() const { return m_tagDMR; }
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/// <summary>Gets the instance of the P25 traffic handler.</summary>
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fne::TagP25Data* p25TrafficHandler() const { return m_tagP25; }
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/// <summary>Gets the instance of the NXDN traffic handler.</summary>
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fne::TagNXDNData* nxdnTrafficHandler() const { return m_tagNXDN; }
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/// <summary>Sets the instances of the Radio ID and Talkgroup Rules lookup tables.</summary>
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void setLookups(lookups::RadioIdLookup* ridLookup, lookups::TalkgroupRulesLookup* tidLookup);
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/// <summary>Sets endpoint preshared encryption key.</summary>
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void setPresharedKey(const uint8_t* presharedKey);
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/// <summary>Process a data frames from the network.</summary>
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void processNetwork();
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/// <summary>Updates the timer by the passed number of milliseconds.</summary>
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void clock(uint32_t ms) override;
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/// <summary>Opens connection to the network.</summary>
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bool open() override;
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/// <summary>Closes connection to the network.</summary>
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void close() override;
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private:
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friend class DiagNetwork;
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friend class fne::TagDMRData;
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fne::TagDMRData* m_tagDMR;
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friend class fne::TagP25Data;
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fne::TagP25Data* m_tagP25;
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friend class fne::TagNXDNData;
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fne::TagNXDNData* m_tagNXDN;
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friend class ::RESTAPI;
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HostFNE* m_host;
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std::string m_address;
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uint16_t m_port;
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std::string m_password;
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bool m_dmrEnabled;
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bool m_p25Enabled;
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bool m_nxdnEnabled;
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uint32_t m_parrotDelay;
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Timer m_parrotDelayTimer;
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bool m_parrotGrantDemand;
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lookups::RadioIdLookup* m_ridLookup;
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lookups::TalkgroupRulesLookup* m_tidLookup;
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NET_CONN_STATUS m_status;
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static std::mutex m_peerMutex;
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typedef std::pair<const uint32_t, network::FNEPeerConnection*> PeerMapPair;
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std::unordered_map<uint32_t, FNEPeerConnection*> m_peers;
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typedef std::pair<const uint32_t, lookups::AffiliationLookup*> PeerAffiliationMapPair;
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std::unordered_map<uint32_t, lookups::AffiliationLookup*> m_peerAffiliations;
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Timer m_maintainenceTimer;
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uint32_t m_updateLookupTime;
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uint32_t m_softConnLimit;
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bool m_callInProgress;
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bool m_disallowAdjStsBcast;
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bool m_disallowExtAdjStsBcast;
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bool m_enableInfluxDB;
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std::string m_influxServerAddress;
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uint16_t m_influxServerPort;
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std::string m_influxServerToken;
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std::string m_influxOrg;
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std::string m_influxBucket;
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bool m_influxLogRawData;
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influxdb::ServerInfo m_influxServer;
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bool m_reportPeerPing;
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bool m_verbose;
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/// <summary>Entry point to process a given network packet.</summary>
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static void* threadedNetworkRx(void* arg);
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/// <summary>Helper to erase the peer from the peers affiliations list.</summary>
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bool erasePeerAffiliations(uint32_t peerId);
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/// <summary>Helper to erase the peer from the peers list.</summary>
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bool erasePeer(uint32_t peerId);
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/// <summary>Helper to complete setting up a repeater login request.</summary>
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void setupRepeaterLogin(uint32_t peerId, FNEPeerConnection* connection);
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/// <summary>Helper to send the ACL lists to the specified peer in a separate thread.</summary>
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void peerACLUpdate(uint32_t peerId);
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/// <summary>Entry point to send the ACL lists to the specified peer in a separate thread.</summary>
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static void* threadedACLUpdate(void* arg);
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/// <summary>Helper to send the list of whitelisted RIDs to the specified peer.</summary>
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void writeWhitelistRIDs(uint32_t peerId);
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/// <summary>Helper to send the list of blacklisted RIDs to the specified peer.</summary>
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void writeBlacklistRIDs(uint32_t peerId);
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/// <summary>Helper to send the list of active TGIDs to the specified peer.</summary>
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void writeTGIDs(uint32_t peerId);
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/// <summary>Helper to send the list of deactivated TGIDs to the specified peer.</summary>
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void writeDeactiveTGIDs(uint32_t peerId);
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/// <summary>Helper to send a data message to the specified peer.</summary>
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bool writePeer(uint32_t peerId, FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length,
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uint16_t pktSeq, uint32_t streamId, bool queueOnly = false, bool directWrite = false) const;
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/// <summary>Helper to send a data message to the specified peer.</summary>
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bool writePeer(uint32_t peerId, FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length,
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uint32_t streamId, bool queueOnly = false, bool incPktSeq = false, bool directWrite = false) const;
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/// <summary>Helper to send a command message to the specified peer.</summary>
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bool writePeerCommand(uint32_t peerId, FrameQueue::OpcodePair opcode, const uint8_t* data = nullptr, uint32_t length = 0U,
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bool incPktSeq = false) const;
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/// <summary>Helper to send a ACK response to the specified peer.</summary>
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bool writePeerACK(uint32_t peerId, const uint8_t* data = nullptr, uint32_t length = 0U);
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/// <summary>Helper to send a NAK response to the specified peer.</summary>
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bool writePeerNAK(uint32_t peerId, const char* tag, NET_CONN_NAK_REASON reason = NET_CONN_NAK_GENERAL_FAILURE);
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/// <summary>Helper to send a NAK response to the specified peer.</summary>
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bool writePeerNAK(uint32_t peerId, const char* tag, NET_CONN_NAK_REASON reason, sockaddr_storage& addr, uint32_t addrLen);
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};
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} // namespace network
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#endif // __FNE_NETWORK_H__
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