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 = 0x7FFF
00020 };
00021
00022 typedef enum
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
00042 {
00043 ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE = (1 << 7),
00044 ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED = (1 << 6),
00045
00046 ENET_PROTOCOL_HEADER_FLAG_SENT_TIME = (1 << 15),
00047 ENET_PROTOCOL_HEADER_FLAG_MASK = 0x8000
00048 } ENetProtocolFlag;
00049
00050 typedef struct
00051 {
00052 enet_uint32 checksum;
00053 enet_uint16 peerID;
00054 enet_uint16 sentTime;
00055 } ENetProtocolHeader;
00056
00057 typedef struct
00058 {
00059 enet_uint8 command;
00060 enet_uint8 channelID;
00061 enet_uint16 reliableSequenceNumber;
00062 } ENetProtocolCommandHeader;
00063
00064 typedef struct
00065 {
00066 ENetProtocolCommandHeader header;
00067 enet_uint16 receivedReliableSequenceNumber;
00068 enet_uint16 receivedSentTime;
00069 } ENetProtocolAcknowledge;
00070
00071 typedef struct
00072 {
00073 ENetProtocolCommandHeader header;
00074 enet_uint16 outgoingPeerID;
00075 enet_uint16 mtu;
00076 enet_uint32 windowSize;
00077 enet_uint32 channelCount;
00078 enet_uint32 incomingBandwidth;
00079 enet_uint32 outgoingBandwidth;
00080 enet_uint32 packetThrottleInterval;
00081 enet_uint32 packetThrottleAcceleration;
00082 enet_uint32 packetThrottleDeceleration;
00083 enet_uint32 sessionID;
00084 } ENetProtocolConnect;
00085
00086 typedef struct
00087 {
00088 ENetProtocolCommandHeader header;
00089 enet_uint16 outgoingPeerID;
00090 enet_uint16 mtu;
00091 enet_uint32 windowSize;
00092 enet_uint32 channelCount;
00093 enet_uint32 incomingBandwidth;
00094 enet_uint32 outgoingBandwidth;
00095 enet_uint32 packetThrottleInterval;
00096 enet_uint32 packetThrottleAcceleration;
00097 enet_uint32 packetThrottleDeceleration;
00098 } ENetProtocolVerifyConnect;
00099
00100 typedef struct
00101 {
00102 ENetProtocolCommandHeader header;
00103 enet_uint32 incomingBandwidth;
00104 enet_uint32 outgoingBandwidth;
00105 } ENetProtocolBandwidthLimit;
00106
00107 typedef struct
00108 {
00109 ENetProtocolCommandHeader header;
00110 enet_uint32 packetThrottleInterval;
00111 enet_uint32 packetThrottleAcceleration;
00112 enet_uint32 packetThrottleDeceleration;
00113 } ENetProtocolThrottleConfigure;
00114
00115 typedef struct
00116 {
00117 ENetProtocolCommandHeader header;
00118 enet_uint32 data;
00119 } ENetProtocolDisconnect;
00120
00121 typedef struct
00122 {
00123 ENetProtocolCommandHeader header;
00124 } ENetProtocolPing;
00125
00126 typedef struct
00127 {
00128 ENetProtocolCommandHeader header;
00129 enet_uint16 dataLength;
00130 } ENetProtocolSendReliable;
00131
00132 typedef struct
00133 {
00134 ENetProtocolCommandHeader header;
00135 enet_uint16 unreliableSequenceNumber;
00136 enet_uint16 dataLength;
00137 } ENetProtocolSendUnreliable;
00138
00139 typedef struct
00140 {
00141 ENetProtocolCommandHeader header;
00142 enet_uint16 unsequencedGroup;
00143 enet_uint16 dataLength;
00144 } ENetProtocolSendUnsequenced;
00145
00146 typedef struct
00147 {
00148 ENetProtocolCommandHeader header;
00149 enet_uint16 startSequenceNumber;
00150 enet_uint16 dataLength;
00151 enet_uint32 fragmentCount;
00152 enet_uint32 fragmentNumber;
00153 enet_uint32 totalLength;
00154 enet_uint32 fragmentOffset;
00155 } ENetProtocolSendFragment;
00156
00157 typedef union
00158 {
00159 ENetProtocolCommandHeader header;
00160 ENetProtocolAcknowledge acknowledge;
00161 ENetProtocolConnect connect;
00162 ENetProtocolVerifyConnect verifyConnect;
00163 ENetProtocolDisconnect disconnect;
00164 ENetProtocolPing ping;
00165 ENetProtocolSendReliable sendReliable;
00166 ENetProtocolSendUnreliable sendUnreliable;
00167 ENetProtocolSendUnsequenced sendUnsequenced;
00168 ENetProtocolSendFragment sendFragment;
00169 ENetProtocolBandwidthLimit bandwidthLimit;
00170 ENetProtocolThrottleConfigure throttleConfigure;
00171 } ENetProtocol;
00172
00173 #endif
00174
