Building against shared libraries only implemented for Linux X11 so far. TODO: Document Godot's modifications of upstream enet.
198 lines
5.6 KiB
C++
198 lines
5.6 KiB
C++
/**
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@file protocol.h
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@brief ENet protocol
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*/
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#ifndef __ENET_PROTOCOL_H__
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#define __ENET_PROTOCOL_H__
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#include "enet/types.h"
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enum
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{
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ENET_PROTOCOL_MINIMUM_MTU = 576,
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ENET_PROTOCOL_MAXIMUM_MTU = 4096,
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ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS = 32,
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ENET_PROTOCOL_MINIMUM_WINDOW_SIZE = 4096,
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ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE = 65536,
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ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT = 1,
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ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT = 255,
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ENET_PROTOCOL_MAXIMUM_PEER_ID = 0xFFF,
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ENET_PROTOCOL_MAXIMUM_FRAGMENT_COUNT = 1024 * 1024
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};
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typedef enum _ENetProtocolCommand
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{
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ENET_PROTOCOL_COMMAND_NONE = 0,
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ENET_PROTOCOL_COMMAND_ACKNOWLEDGE = 1,
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ENET_PROTOCOL_COMMAND_CONNECT = 2,
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ENET_PROTOCOL_COMMAND_VERIFY_CONNECT = 3,
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ENET_PROTOCOL_COMMAND_DISCONNECT = 4,
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ENET_PROTOCOL_COMMAND_PING = 5,
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ENET_PROTOCOL_COMMAND_SEND_RELIABLE = 6,
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ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE = 7,
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ENET_PROTOCOL_COMMAND_SEND_FRAGMENT = 8,
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ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED = 9,
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ENET_PROTOCOL_COMMAND_BANDWIDTH_LIMIT = 10,
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ENET_PROTOCOL_COMMAND_THROTTLE_CONFIGURE = 11,
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ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE_FRAGMENT = 12,
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ENET_PROTOCOL_COMMAND_COUNT = 13,
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ENET_PROTOCOL_COMMAND_MASK = 0x0F
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} ENetProtocolCommand;
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typedef enum _ENetProtocolFlag
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{
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ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE = (1 << 7),
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ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED = (1 << 6),
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ENET_PROTOCOL_HEADER_FLAG_COMPRESSED = (1 << 14),
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ENET_PROTOCOL_HEADER_FLAG_SENT_TIME = (1 << 15),
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ENET_PROTOCOL_HEADER_FLAG_MASK = ENET_PROTOCOL_HEADER_FLAG_COMPRESSED | ENET_PROTOCOL_HEADER_FLAG_SENT_TIME,
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ENET_PROTOCOL_HEADER_SESSION_MASK = (3 << 12),
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ENET_PROTOCOL_HEADER_SESSION_SHIFT = 12
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} ENetProtocolFlag;
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#ifdef _MSC_VER
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#pragma pack(push, 1)
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#define ENET_PACKED
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#elif defined(__GNUC__) || defined(__clang__)
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#define ENET_PACKED __attribute__ ((packed))
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#else
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#define ENET_PACKED
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#endif
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typedef struct _ENetProtocolHeader
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{
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enet_uint16 peerID;
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enet_uint16 sentTime;
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} ENET_PACKED ENetProtocolHeader;
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typedef struct _ENetProtocolCommandHeader
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{
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enet_uint8 command;
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enet_uint8 channelID;
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enet_uint16 reliableSequenceNumber;
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} ENET_PACKED ENetProtocolCommandHeader;
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typedef struct _ENetProtocolAcknowledge
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{
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ENetProtocolCommandHeader header;
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enet_uint16 receivedReliableSequenceNumber;
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enet_uint16 receivedSentTime;
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} ENET_PACKED ENetProtocolAcknowledge;
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typedef struct _ENetProtocolConnect
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{
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ENetProtocolCommandHeader header;
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enet_uint16 outgoingPeerID;
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enet_uint8 incomingSessionID;
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enet_uint8 outgoingSessionID;
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enet_uint32 mtu;
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enet_uint32 windowSize;
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enet_uint32 channelCount;
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enet_uint32 incomingBandwidth;
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enet_uint32 outgoingBandwidth;
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enet_uint32 packetThrottleInterval;
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enet_uint32 packetThrottleAcceleration;
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enet_uint32 packetThrottleDeceleration;
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enet_uint32 connectID;
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enet_uint32 data;
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} ENET_PACKED ENetProtocolConnect;
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typedef struct _ENetProtocolVerifyConnect
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{
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ENetProtocolCommandHeader header;
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enet_uint16 outgoingPeerID;
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enet_uint8 incomingSessionID;
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enet_uint8 outgoingSessionID;
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enet_uint32 mtu;
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enet_uint32 windowSize;
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enet_uint32 channelCount;
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enet_uint32 incomingBandwidth;
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enet_uint32 outgoingBandwidth;
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enet_uint32 packetThrottleInterval;
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enet_uint32 packetThrottleAcceleration;
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enet_uint32 packetThrottleDeceleration;
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enet_uint32 connectID;
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} ENET_PACKED ENetProtocolVerifyConnect;
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typedef struct _ENetProtocolBandwidthLimit
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{
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ENetProtocolCommandHeader header;
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enet_uint32 incomingBandwidth;
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enet_uint32 outgoingBandwidth;
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} ENET_PACKED ENetProtocolBandwidthLimit;
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typedef struct _ENetProtocolThrottleConfigure
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{
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ENetProtocolCommandHeader header;
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enet_uint32 packetThrottleInterval;
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enet_uint32 packetThrottleAcceleration;
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enet_uint32 packetThrottleDeceleration;
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} ENET_PACKED ENetProtocolThrottleConfigure;
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typedef struct _ENetProtocolDisconnect
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{
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ENetProtocolCommandHeader header;
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enet_uint32 data;
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} ENET_PACKED ENetProtocolDisconnect;
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typedef struct _ENetProtocolPing
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{
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ENetProtocolCommandHeader header;
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} ENET_PACKED ENetProtocolPing;
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typedef struct _ENetProtocolSendReliable
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{
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ENetProtocolCommandHeader header;
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enet_uint16 dataLength;
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} ENET_PACKED ENetProtocolSendReliable;
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typedef struct _ENetProtocolSendUnreliable
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{
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ENetProtocolCommandHeader header;
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enet_uint16 unreliableSequenceNumber;
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enet_uint16 dataLength;
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} ENET_PACKED ENetProtocolSendUnreliable;
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typedef struct _ENetProtocolSendUnsequenced
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{
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ENetProtocolCommandHeader header;
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enet_uint16 unsequencedGroup;
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enet_uint16 dataLength;
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} ENET_PACKED ENetProtocolSendUnsequenced;
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typedef struct _ENetProtocolSendFragment
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{
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ENetProtocolCommandHeader header;
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enet_uint16 startSequenceNumber;
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enet_uint16 dataLength;
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enet_uint32 fragmentCount;
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enet_uint32 fragmentNumber;
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enet_uint32 totalLength;
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enet_uint32 fragmentOffset;
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} ENET_PACKED ENetProtocolSendFragment;
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typedef union _ENetProtocol
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{
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ENetProtocolCommandHeader header;
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ENetProtocolAcknowledge acknowledge;
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ENetProtocolConnect connect;
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ENetProtocolVerifyConnect verifyConnect;
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ENetProtocolDisconnect disconnect;
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ENetProtocolPing ping;
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ENetProtocolSendReliable sendReliable;
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ENetProtocolSendUnreliable sendUnreliable;
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ENetProtocolSendUnsequenced sendUnsequenced;
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ENetProtocolSendFragment sendFragment;
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ENetProtocolBandwidthLimit bandwidthLimit;
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ENetProtocolThrottleConfigure throttleConfigure;
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} ENET_PACKED ENetProtocol;
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif
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#endif /* __ENET_PROTOCOL_H__ */
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