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-rw-r--r--src/enet/protocol.h196
1 files changed, 196 insertions, 0 deletions
diff --git a/src/enet/protocol.h b/src/enet/protocol.h
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+++ b/src/enet/protocol.h
@@ -0,0 +1,196 @@
+/**
+ @file protocol.h
+ @brief ENet protocol
+*/
+#ifndef __ENET_PROTOCOL_H__
+#define __ENET_PROTOCOL_H__
+
+#include "enet/types.h"
+
+enum
+{
+ ENET_PROTOCOL_MINIMUM_MTU = 576,
+ ENET_PROTOCOL_MAXIMUM_MTU = 4096,
+ ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS = 32,
+ ENET_PROTOCOL_MINIMUM_WINDOW_SIZE = 4096,
+ ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE = 32768,
+ ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT = 1,
+ ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT = 255,
+ ENET_PROTOCOL_MAXIMUM_PEER_ID = 0xFFF
+};
+
+typedef enum _ENetProtocolCommand
+{
+ ENET_PROTOCOL_COMMAND_NONE = 0,
+ ENET_PROTOCOL_COMMAND_ACKNOWLEDGE = 1,
+ ENET_PROTOCOL_COMMAND_CONNECT = 2,
+ ENET_PROTOCOL_COMMAND_VERIFY_CONNECT = 3,
+ ENET_PROTOCOL_COMMAND_DISCONNECT = 4,
+ ENET_PROTOCOL_COMMAND_PING = 5,
+ ENET_PROTOCOL_COMMAND_SEND_RELIABLE = 6,
+ ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE = 7,
+ ENET_PROTOCOL_COMMAND_SEND_FRAGMENT = 8,
+ ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED = 9,
+ ENET_PROTOCOL_COMMAND_BANDWIDTH_LIMIT = 10,
+ ENET_PROTOCOL_COMMAND_THROTTLE_CONFIGURE = 11,
+ ENET_PROTOCOL_COMMAND_COUNT = 12,
+
+ ENET_PROTOCOL_COMMAND_MASK = 0x0F
+} ENetProtocolCommand;
+
+typedef enum _ENetProtocolFlag
+{
+ ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE = (1 << 7),
+ ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED = (1 << 6),
+
+ ENET_PROTOCOL_HEADER_FLAG_COMPRESSED = (1 << 14),
+ ENET_PROTOCOL_HEADER_FLAG_SENT_TIME = (1 << 15),
+ ENET_PROTOCOL_HEADER_FLAG_MASK = ENET_PROTOCOL_HEADER_FLAG_COMPRESSED | ENET_PROTOCOL_HEADER_FLAG_SENT_TIME,
+
+ ENET_PROTOCOL_HEADER_SESSION_MASK = (3 << 12),
+ ENET_PROTOCOL_HEADER_SESSION_SHIFT = 12
+} ENetProtocolFlag;
+
+#ifdef _MSC_VER_
+#pragma pack(push, 1)
+#define ENET_PACKED
+#elif defined(__GNUC__)
+#define ENET_PACKED __attribute__ ((packed))
+#else
+#define ENET_PACKED
+#endif
+
+typedef struct _ENetProtocolHeader
+{
+ enet_uint16 peerID;
+ enet_uint16 sentTime;
+} ENET_PACKED ENetProtocolHeader;
+
+typedef struct _ENetProtocolCommandHeader
+{
+ enet_uint8 command;
+ enet_uint8 channelID;
+ enet_uint16 reliableSequenceNumber;
+} ENET_PACKED ENetProtocolCommandHeader;
+
+typedef struct _ENetProtocolAcknowledge
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 receivedReliableSequenceNumber;
+ enet_uint16 receivedSentTime;
+} ENET_PACKED ENetProtocolAcknowledge;
+
+typedef struct _ENetProtocolConnect
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 outgoingPeerID;
+ enet_uint8 incomingSessionID;
+ enet_uint8 outgoingSessionID;
+ enet_uint32 mtu;
+ enet_uint32 windowSize;
+ enet_uint32 channelCount;
+ enet_uint32 incomingBandwidth;
+ enet_uint32 outgoingBandwidth;
+ enet_uint32 packetThrottleInterval;
+ enet_uint32 packetThrottleAcceleration;
+ enet_uint32 packetThrottleDeceleration;
+ enet_uint32 connectID;
+ enet_uint32 data;
+} ENET_PACKED ENetProtocolConnect;
+
+typedef struct _ENetProtocolVerifyConnect
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 outgoingPeerID;
+ enet_uint8 incomingSessionID;
+ enet_uint8 outgoingSessionID;
+ enet_uint32 mtu;
+ enet_uint32 windowSize;
+ enet_uint32 channelCount;
+ enet_uint32 incomingBandwidth;
+ enet_uint32 outgoingBandwidth;
+ enet_uint32 packetThrottleInterval;
+ enet_uint32 packetThrottleAcceleration;
+ enet_uint32 packetThrottleDeceleration;
+ enet_uint32 connectID;
+} ENET_PACKED ENetProtocolVerifyConnect;
+
+typedef struct _ENetProtocolBandwidthLimit
+{
+ ENetProtocolCommandHeader header;
+ enet_uint32 incomingBandwidth;
+ enet_uint32 outgoingBandwidth;
+} ENET_PACKED ENetProtocolBandwidthLimit;
+
+typedef struct _ENetProtocolThrottleConfigure
+{
+ ENetProtocolCommandHeader header;
+ enet_uint32 packetThrottleInterval;
+ enet_uint32 packetThrottleAcceleration;
+ enet_uint32 packetThrottleDeceleration;
+} ENET_PACKED ENetProtocolThrottleConfigure;
+
+typedef struct _ENetProtocolDisconnect
+{
+ ENetProtocolCommandHeader header;
+ enet_uint32 data;
+} ENET_PACKED ENetProtocolDisconnect;
+
+typedef struct _ENetProtocolPing
+{
+ ENetProtocolCommandHeader header;
+} ENET_PACKED ENetProtocolPing;
+
+typedef struct _ENetProtocolSendReliable
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 dataLength;
+} ENET_PACKED ENetProtocolSendReliable;
+
+typedef struct _ENetProtocolSendUnreliable
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 unreliableSequenceNumber;
+ enet_uint16 dataLength;
+} ENET_PACKED ENetProtocolSendUnreliable;
+
+typedef struct _ENetProtocolSendUnsequenced
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 unsequencedGroup;
+ enet_uint16 dataLength;
+} ENET_PACKED ENetProtocolSendUnsequenced;
+
+typedef struct _ENetProtocolSendFragment
+{
+ ENetProtocolCommandHeader header;
+ enet_uint16 startSequenceNumber;
+ enet_uint16 dataLength;
+ enet_uint32 fragmentCount;
+ enet_uint32 fragmentNumber;
+ enet_uint32 totalLength;
+ enet_uint32 fragmentOffset;
+} ENET_PACKED ENetProtocolSendFragment;
+
+typedef union _ENetProtocol
+{
+ ENetProtocolCommandHeader header;
+ ENetProtocolAcknowledge acknowledge;
+ ENetProtocolConnect connect;
+ ENetProtocolVerifyConnect verifyConnect;
+ ENetProtocolDisconnect disconnect;
+ ENetProtocolPing ping;
+ ENetProtocolSendReliable sendReliable;
+ ENetProtocolSendUnreliable sendUnreliable;
+ ENetProtocolSendUnsequenced sendUnsequenced;
+ ENetProtocolSendFragment sendFragment;
+ ENetProtocolBandwidthLimit bandwidthLimit;
+ ENetProtocolThrottleConfigure throttleConfigure;
+} ENET_PACKED ENetProtocol;
+
+#ifdef _MSC_VER_
+#pragma pack(pop)
+#endif
+
+#endif /* __ENET_PROTOCOL_H__ */
+