00001
00005 #ifndef __ENET_PROTOCOL_H__
00006 #define __ENET_PROTOCOL_H__
00007
00008 #include "enet/types.h"
00009
00010 enum
00011 {
00012 ENET_PROTOCOL_MINIMUM_MTU = 576,
00013 ENET_PROTOCOL_MAXIMUM_MTU = 4096,
00014 ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS = 32,
00015 ENET_PROTOCOL_MINIMUM_WINDOW_SIZE = 4096,
00016 ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE = 32768,
00017 ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT = 1,
00018 ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT = 255,
00019 ENET_PROTOCOL_MAXIMUM_PEER_ID = 0xFFF
00020 };
00021
00022 typedef enum _ENetProtocolCommand
00023 {
00024 ENET_PROTOCOL_COMMAND_NONE = 0,
00025 ENET_PROTOCOL_COMMAND_ACKNOWLEDGE = 1,
00026 ENET_PROTOCOL_COMMAND_CONNECT = 2,
00027 ENET_PROTOCOL_COMMAND_VERIFY_CONNECT = 3,
00028 ENET_PROTOCOL_COMMAND_DISCONNECT = 4,
00029 ENET_PROTOCOL_COMMAND_PING = 5,
00030 ENET_PROTOCOL_COMMAND_SEND_RELIABLE = 6,
00031 ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE = 7,
00032 ENET_PROTOCOL_COMMAND_SEND_FRAGMENT = 8,
00033 ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED = 9,
00034 ENET_PROTOCOL_COMMAND_BANDWIDTH_LIMIT = 10,
00035 ENET_PROTOCOL_COMMAND_THROTTLE_CONFIGURE = 11,
00036 ENET_PROTOCOL_COMMAND_COUNT = 12,
00037
00038 ENET_PROTOCOL_COMMAND_MASK = 0x0F
00039 } ENetProtocolCommand;
00040
00041 typedef enum _ENetProtocolFlag
00042 {
00043 ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE = (1 << 7),
00044 ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED = (1 << 6),
00045
00046 ENET_PROTOCOL_HEADER_FLAG_COMPRESSED = (1 << 14),
00047 ENET_PROTOCOL_HEADER_FLAG_SENT_TIME = (1 << 15),
00048 ENET_PROTOCOL_HEADER_FLAG_MASK = ENET_PROTOCOL_HEADER_FLAG_COMPRESSED | ENET_PROTOCOL_HEADER_FLAG_SENT_TIME,
00049
00050 ENET_PROTOCOL_HEADER_SESSION_MASK = (3 << 12),
00051 ENET_PROTOCOL_HEADER_SESSION_SHIFT = 12
00052 } ENetProtocolFlag;
00053
00054 #ifdef _MSC_VER_
00055 #pragma pack(push, 1)
00056 #define ENET_PACKED
00057 #elif defined(__GNUC__)
00058 #define ENET_PACKED __attribute__ ((packed))
00059 #else
00060 #define ENET_PACKED
00061 #endif
00062
00063 typedef struct _ENetProtocolHeader
00064 {
00065 enet_uint16 peerID;
00066 enet_uint16 sentTime;
00067 } ENET_PACKED ENetProtocolHeader;
00068
00069 typedef struct _ENetProtocolCommandHeader
00070 {
00071 enet_uint8 command;
00072 enet_uint8 channelID;
00073 enet_uint16 reliableSequenceNumber;
00074 } ENET_PACKED ENetProtocolCommandHeader;
00075
00076 typedef struct _ENetProtocolAcknowledge
00077 {
00078 ENetProtocolCommandHeader header;
00079 enet_uint16 receivedReliableSequenceNumber;
00080 enet_uint16 receivedSentTime;
00081 } ENET_PACKED ENetProtocolAcknowledge;
00082
00083 typedef struct _ENetProtocolConnect
00084 {
00085 ENetProtocolCommandHeader header;
00086 enet_uint16 outgoingPeerID;
00087 enet_uint8 incomingSessionID;
00088 enet_uint8 outgoingSessionID;
00089 enet_uint32 mtu;
00090 enet_uint32 windowSize;
00091 enet_uint32 channelCount;
00092 enet_uint32 incomingBandwidth;
00093 enet_uint32 outgoingBandwidth;
00094 enet_uint32 packetThrottleInterval;
00095 enet_uint32 packetThrottleAcceleration;
00096 enet_uint32 packetThrottleDeceleration;
00097 enet_uint32 connectID;
00098 enet_uint32 data;
00099 } ENET_PACKED ENetProtocolConnect;
00100
00101 typedef struct _ENetProtocolVerifyConnect
00102 {
00103 ENetProtocolCommandHeader header;
00104 enet_uint16 outgoingPeerID;
00105 enet_uint8 incomingSessionID;
00106 enet_uint8 outgoingSessionID;
00107 enet_uint32 mtu;
00108 enet_uint32 windowSize;
00109 enet_uint32 channelCount;
00110 enet_uint32 incomingBandwidth;
00111 enet_uint32 outgoingBandwidth;
00112 enet_uint32 packetThrottleInterval;
00113 enet_uint32 packetThrottleAcceleration;
00114 enet_uint32 packetThrottleDeceleration;
00115 enet_uint32 connectID;
00116 } ENET_PACKED ENetProtocolVerifyConnect;
00117
00118 typedef struct _ENetProtocolBandwidthLimit
00119 {
00120 ENetProtocolCommandHeader header;
00121 enet_uint32 incomingBandwidth;
00122 enet_uint32 outgoingBandwidth;
00123 } ENET_PACKED ENetProtocolBandwidthLimit;
00124
00125 typedef struct _ENetProtocolThrottleConfigure
00126 {
00127 ENetProtocolCommandHeader header;
00128 enet_uint32 packetThrottleInterval;
00129 enet_uint32 packetThrottleAcceleration;
00130 enet_uint32 packetThrottleDeceleration;
00131 } ENET_PACKED ENetProtocolThrottleConfigure;
00132
00133 typedef struct _ENetProtocolDisconnect
00134 {
00135 ENetProtocolCommandHeader header;
00136 enet_uint32 data;
00137 } ENET_PACKED ENetProtocolDisconnect;
00138
00139 typedef struct _ENetProtocolPing
00140 {
00141 ENetProtocolCommandHeader header;
00142 } ENET_PACKED ENetProtocolPing;
00143
00144 typedef struct _ENetProtocolSendReliable
00145 {
00146 ENetProtocolCommandHeader header;
00147 enet_uint16 dataLength;
00148 } ENET_PACKED ENetProtocolSendReliable;
00149
00150 typedef struct _ENetProtocolSendUnreliable
00151 {
00152 ENetProtocolCommandHeader header;
00153 enet_uint16 unreliableSequenceNumber;
00154 enet_uint16 dataLength;
00155 } ENET_PACKED ENetProtocolSendUnreliable;
00156
00157 typedef struct _ENetProtocolSendUnsequenced
00158 {
00159 ENetProtocolCommandHeader header;
00160 enet_uint16 unsequencedGroup;
00161 enet_uint16 dataLength;
00162 } ENET_PACKED ENetProtocolSendUnsequenced;
00163
00164 typedef struct _ENetProtocolSendFragment
00165 {
00166 ENetProtocolCommandHeader header;
00167 enet_uint16 startSequenceNumber;
00168 enet_uint16 dataLength;
00169 enet_uint32 fragmentCount;
00170 enet_uint32 fragmentNumber;
00171 enet_uint32 totalLength;
00172 enet_uint32 fragmentOffset;
00173 } ENET_PACKED ENetProtocolSendFragment;
00174
00175 typedef union _ENetProtocol
00176 {
00177 ENetProtocolCommandHeader header;
00178 ENetProtocolAcknowledge acknowledge;
00179 ENetProtocolConnect connect;
00180 ENetProtocolVerifyConnect verifyConnect;
00181 ENetProtocolDisconnect disconnect;
00182 ENetProtocolPing ping;
00183 ENetProtocolSendReliable sendReliable;
00184 ENetProtocolSendUnreliable sendUnreliable;
00185 ENetProtocolSendUnsequenced sendUnsequenced;
00186 ENetProtocolSendFragment sendFragment;
00187 ENetProtocolBandwidthLimit bandwidthLimit;
00188 ENetProtocolThrottleConfigure throttleConfigure;
00189 } ENET_PACKED ENetProtocol;
00190
00191 #ifdef _MSC_VER_
00192 #pragma pack(pop)
00193 #endif
00194
00195 #endif
00196