1 | /** |
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2 | @file enet.h |
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3 | @brief ENet public header file |
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4 | */ |
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5 | #ifndef __ENET_ENET_H__ |
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6 | #define __ENET_ENET_H__ |
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7 | |
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8 | #ifdef __cplusplus |
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9 | extern "C" |
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10 | { |
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11 | #endif |
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12 | |
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13 | #include <stdlib.h> |
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14 | |
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15 | #ifdef WIN32 |
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16 | #include "enet/win32.h" |
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17 | #else |
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18 | #include "enet/unix.h" |
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19 | #endif |
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20 | |
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21 | #include "enet/types.h" |
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22 | #include "enet/protocol.h" |
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23 | #include "enet/list.h" |
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24 | #include "enet/callbacks.h" |
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25 | |
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26 | #define ENET_VERSION_MAJOR 1 |
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27 | #define ENET_VERSION_MINOR 3 |
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28 | #define ENET_VERSION_PATCH 0 |
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29 | #define ENET_VERSION_CREATE(major, minor, patch) (((major)<<16) | ((minor)<<8) | (patch)) |
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30 | #define ENET_VERSION ENET_VERSION_CREATE(ENET_VERSION_MAJOR, ENET_VERSION_MINOR, ENET_VERSION_PATCH) |
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31 | |
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32 | typedef enet_uint32 ENetVersion; |
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33 | |
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34 | typedef enum _ENetSocketType |
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35 | { |
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36 | ENET_SOCKET_TYPE_STREAM = 1, |
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37 | ENET_SOCKET_TYPE_DATAGRAM = 2 |
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38 | } ENetSocketType; |
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39 | |
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40 | typedef enum _ENetSocketWait |
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41 | { |
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42 | ENET_SOCKET_WAIT_NONE = 0, |
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43 | ENET_SOCKET_WAIT_SEND = (1 << 0), |
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44 | ENET_SOCKET_WAIT_RECEIVE = (1 << 1) |
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45 | } ENetSocketWait; |
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46 | |
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47 | typedef enum _ENetSocketOption |
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48 | { |
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49 | ENET_SOCKOPT_NONBLOCK = 1, |
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50 | ENET_SOCKOPT_BROADCAST = 2, |
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51 | ENET_SOCKOPT_RCVBUF = 3, |
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52 | ENET_SOCKOPT_SNDBUF = 4, |
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53 | ENET_SOCKOPT_REUSEADDR = 5 |
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54 | } ENetSocketOption; |
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55 | |
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56 | typedef struct _ENetHostAddress |
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57 | { |
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58 | enet_uint8 addr[16]; |
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59 | } ENetHostAddress; |
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60 | |
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61 | extern const ENetHostAddress ENET_HOST_ANY; /**< specifies the default server host */ |
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62 | extern const ENetHostAddress ENET_IPV4MAPPED_PREFIX; /**< specifies the IPv4-mapped IPv6 prefix */ |
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63 | extern const ENetHostAddress ENET_HOST_BROADCAST; /**< specifies a IPv4 subnet-wide broadcast */ |
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64 | #define ENET_IPV4MAPPED_PREFIX_LEN 12 /**< specifies the length of the IPv4-mapped IPv6 prefix */ |
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65 | #define ENET_PORT_ANY 0 /**< specifies that a port should be automatically chosen */ |
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66 | |
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67 | /** |
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68 | * Portable internet address structure. |
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69 | * |
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70 | * The host must be specified in network byte-order, and the port must be in host |
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71 | * byte-order. The constant ENET_HOST_ANY may be used to specify the default |
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72 | * server host. The constant ENET_HOST_BROADCAST may be used to specify the |
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73 | * broadcast address (255.255.255.255). This makes sense for enet_host_connect, |
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74 | * but not for enet_host_create. Once a server responds to a broadcast, the |
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75 | * address is updated from ENET_HOST_BROADCAST to the server's actual IP address. |
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76 | */ |
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77 | typedef struct _ENetAddress |
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78 | { |
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79 | ENetHostAddress host; |
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80 | #ifdef WIN32 |
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81 | u_long scopeID; |
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82 | #else |
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83 | uint32_t scopeID; |
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84 | #endif |
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85 | enet_uint16 port; |
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86 | } ENetAddress; |
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87 | |
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88 | /** |
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89 | * The address family type. |
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90 | */ |
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91 | typedef enum _ENetAddressFamily |
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92 | { |
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93 | ENET_NO_ADDRESS_FAMILY = 0, |
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94 | ENET_IPV4 = (1 << 0), |
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95 | ENET_IPV6 = (1 << 1) |
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96 | } ENetAddressFamily; |
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97 | |
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98 | /** |
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99 | * Packet flag bit constants. |
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100 | * |
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101 | * The host must be specified in network byte-order, and the port must be in |
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102 | * host byte-order. The constant ENET_HOST_ANY may be used to specify the |
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103 | * default server host. |
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104 | |
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105 | @sa ENetPacket |
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106 | */ |
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107 | typedef enum _ENetPacketFlag |
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108 | { |
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109 | /** packet must be received by the target peer and resend attempts should be |
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110 | * made until the packet is delivered */ |
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111 | ENET_PACKET_FLAG_RELIABLE = (1 << 0), |
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112 | /** packet will not be sequenced with other packets |
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113 | * not supported for reliable packets |
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114 | */ |
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115 | ENET_PACKET_FLAG_UNSEQUENCED = (1 << 1), |
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116 | /** packet will not allocate data, and user must supply it instead */ |
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117 | ENET_PACKET_FLAG_NO_ALLOCATE = (1 << 2) |
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118 | } ENetPacketFlag; |
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119 | |
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120 | struct _ENetPacket; |
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121 | typedef void (ENET_CALLBACK * ENetPacketFreeCallback) (struct _ENetPacket *); |
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122 | |
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123 | /** |
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124 | * ENet packet structure. |
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125 | * |
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126 | * An ENet data packet that may be sent to or received from a peer. The shown |
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127 | * fields should only be read and never modified. The data field contains the |
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128 | * allocated data for the packet. The dataLength fields specifies the length |
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129 | * of the allocated data. The flags field is either 0 (specifying no flags), |
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130 | * or a bitwise-or of any combination of the following flags: |
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131 | * |
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132 | * ENET_PACKET_FLAG_RELIABLE - packet must be received by the target peer |
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133 | * and resend attempts should be made until the packet is delivered |
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134 | * |
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135 | * ENET_PACKET_FLAG_UNSEQUENCED - packet will not be sequenced with other packets |
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136 | * (not supported for reliable packets) |
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137 | * |
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138 | * ENET_PACKET_FLAG_NO_ALLOCATE - packet will not allocate data, and user must supply it instead |
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139 | |
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140 | @sa ENetPacketFlag |
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141 | */ |
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142 | typedef struct _ENetPacket |
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143 | { |
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144 | size_t referenceCount; /**< internal use only */ |
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145 | enet_uint32 flags; /**< bitwise-or of ENetPacketFlag constants */ |
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146 | enet_uint8 * data; /**< allocated data for packet */ |
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147 | size_t dataLength; /**< length of data */ |
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148 | ENetPacketFreeCallback freeCallback; /**< function to be called when the packet is no longer in use */ |
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149 | } ENetPacket; |
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150 | |
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151 | typedef struct _ENetAcknowledgement |
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152 | { |
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153 | ENetListNode acknowledgementList; |
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154 | enet_uint32 sentTime; |
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155 | ENetProtocol command; |
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156 | } ENetAcknowledgement; |
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157 | |
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158 | typedef struct _ENetOutgoingCommand |
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159 | { |
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160 | ENetListNode outgoingCommandList; |
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161 | enet_uint16 reliableSequenceNumber; |
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162 | enet_uint16 unreliableSequenceNumber; |
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163 | enet_uint32 sentTime; |
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164 | enet_uint32 roundTripTimeout; |
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165 | enet_uint32 roundTripTimeoutLimit; |
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166 | enet_uint32 fragmentOffset; |
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167 | enet_uint16 fragmentLength; |
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168 | enet_uint16 sendAttempts; |
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169 | ENetProtocol command; |
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170 | ENetPacket * packet; |
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171 | } ENetOutgoingCommand; |
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172 | |
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173 | typedef struct _ENetIncomingCommand |
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174 | { |
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175 | ENetListNode incomingCommandList; |
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176 | enet_uint16 reliableSequenceNumber; |
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177 | enet_uint16 unreliableSequenceNumber; |
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178 | ENetProtocol command; |
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179 | enet_uint32 fragmentCount; |
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180 | enet_uint32 fragmentsRemaining; |
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181 | enet_uint32 * fragments; |
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182 | ENetPacket * packet; |
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183 | } ENetIncomingCommand; |
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184 | |
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185 | typedef enum _ENetPeerState |
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186 | { |
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187 | ENET_PEER_STATE_DISCONNECTED = 0, |
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188 | ENET_PEER_STATE_CONNECTING = 1, |
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189 | ENET_PEER_STATE_ACKNOWLEDGING_CONNECT = 2, |
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190 | ENET_PEER_STATE_CONNECTION_PENDING = 3, |
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191 | ENET_PEER_STATE_CONNECTION_SUCCEEDED = 4, |
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192 | ENET_PEER_STATE_CONNECTED = 5, |
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193 | ENET_PEER_STATE_DISCONNECT_LATER = 6, |
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194 | ENET_PEER_STATE_DISCONNECTING = 7, |
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195 | ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT = 8, |
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196 | ENET_PEER_STATE_ZOMBIE = 9 |
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197 | } ENetPeerState; |
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198 | |
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199 | #ifndef ENET_BUFFER_MAXIMUM |
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200 | #define ENET_BUFFER_MAXIMUM (1 + 2 * ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS) |
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201 | #endif |
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202 | |
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203 | enum |
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204 | { |
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205 | ENET_HOST_RECEIVE_BUFFER_SIZE = 256 * 1024, |
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206 | ENET_HOST_SEND_BUFFER_SIZE = 256 * 1024, |
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207 | ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL = 1000, |
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208 | ENET_HOST_DEFAULT_MTU = 1400, |
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209 | |
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210 | ENET_PEER_DEFAULT_ROUND_TRIP_TIME = 500, |
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211 | ENET_PEER_DEFAULT_PACKET_THROTTLE = 32, |
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212 | ENET_PEER_PACKET_THROTTLE_SCALE = 32, |
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213 | ENET_PEER_PACKET_THROTTLE_COUNTER = 7, |
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214 | ENET_PEER_PACKET_THROTTLE_ACCELERATION = 2, |
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215 | ENET_PEER_PACKET_THROTTLE_DECELERATION = 2, |
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216 | ENET_PEER_PACKET_THROTTLE_INTERVAL = 5000, |
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217 | ENET_PEER_PACKET_LOSS_SCALE = (1 << 16), |
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218 | ENET_PEER_PACKET_LOSS_INTERVAL = 10000, |
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219 | ENET_PEER_WINDOW_SIZE_SCALE = 64 * 1024, |
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220 | ENET_PEER_TIMEOUT_LIMIT = 32, |
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221 | ENET_PEER_TIMEOUT_MINIMUM = 5000, |
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222 | ENET_PEER_TIMEOUT_MAXIMUM = 30000, |
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223 | ENET_PEER_PING_INTERVAL = 500, |
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224 | ENET_PEER_UNSEQUENCED_WINDOWS = 64, |
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225 | ENET_PEER_UNSEQUENCED_WINDOW_SIZE = 1024, |
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226 | ENET_PEER_FREE_UNSEQUENCED_WINDOWS = 32, |
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227 | ENET_PEER_RELIABLE_WINDOWS = 16, |
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228 | ENET_PEER_RELIABLE_WINDOW_SIZE = 0x1000, |
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229 | ENET_PEER_FREE_RELIABLE_WINDOWS = 8 |
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230 | }; |
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231 | |
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232 | typedef struct _ENetChannel |
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233 | { |
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234 | enet_uint16 outgoingReliableSequenceNumber; |
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235 | enet_uint16 outgoingUnreliableSequenceNumber; |
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236 | enet_uint16 usedReliableWindows; |
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237 | enet_uint16 reliableWindows [ENET_PEER_RELIABLE_WINDOWS]; |
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238 | enet_uint16 incomingReliableSequenceNumber; |
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239 | ENetList incomingReliableCommands; |
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240 | ENetList incomingUnreliableCommands; |
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241 | } ENetChannel; |
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242 | |
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243 | /** |
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244 | * An ENet peer which data packets may be sent or received from. |
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245 | * |
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246 | * No fields should be modified unless otherwise specified. |
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247 | */ |
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248 | typedef struct _ENetPeer |
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249 | { |
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250 | ENetListNode dispatchList; |
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251 | struct _ENetHost * host; |
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252 | enet_uint16 outgoingPeerID; |
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253 | enet_uint16 incomingPeerID; |
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254 | enet_uint32 connectID; |
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255 | enet_uint8 outgoingSessionID; |
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256 | enet_uint8 incomingSessionID; |
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257 | ENetAddress address; /**< Internet address of the peer */ |
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258 | void * data; /**< Application private data, may be freely modified */ |
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259 | ENetPeerState state; |
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260 | ENetChannel * channels; |
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261 | size_t channelCount; /**< Number of channels allocated for communication with peer */ |
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262 | enet_uint32 incomingBandwidth; /**< Downstream bandwidth of the client in bytes/second */ |
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263 | enet_uint32 outgoingBandwidth; /**< Upstream bandwidth of the client in bytes/second */ |
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264 | enet_uint32 incomingBandwidthThrottleEpoch; |
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265 | enet_uint32 outgoingBandwidthThrottleEpoch; |
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266 | enet_uint32 incomingDataTotal; |
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267 | enet_uint32 outgoingDataTotal; |
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268 | enet_uint32 lastSendTime; |
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269 | enet_uint32 lastReceiveTime; |
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270 | enet_uint32 nextTimeout; |
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271 | enet_uint32 earliestTimeout; |
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272 | enet_uint32 packetLossEpoch; |
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273 | enet_uint32 packetsSent; |
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274 | enet_uint32 packetsLost; |
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275 | enet_uint32 packetLoss; /**< mean packet loss of reliable packets as a ratio with respect to the constant ENET_PEER_PACKET_LOSS_SCALE */ |
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276 | enet_uint32 packetLossVariance; |
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277 | enet_uint32 packetThrottle; |
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278 | enet_uint32 packetThrottleLimit; |
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279 | enet_uint32 packetThrottleCounter; |
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280 | enet_uint32 packetThrottleEpoch; |
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281 | enet_uint32 packetThrottleAcceleration; |
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282 | enet_uint32 packetThrottleDeceleration; |
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283 | enet_uint32 packetThrottleInterval; |
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284 | enet_uint32 lastRoundTripTime; |
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285 | enet_uint32 lowestRoundTripTime; |
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286 | enet_uint32 lastRoundTripTimeVariance; |
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287 | enet_uint32 highestRoundTripTimeVariance; |
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288 | enet_uint32 roundTripTime; /**< mean round trip time (RTT), in milliseconds, between sending a reliable packet and receiving its acknowledgement */ |
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289 | enet_uint32 roundTripTimeVariance; |
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290 | enet_uint32 mtu; |
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291 | enet_uint32 windowSize; |
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292 | enet_uint32 reliableDataInTransit; |
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293 | enet_uint16 outgoingReliableSequenceNumber; |
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294 | ENetList acknowledgements; |
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295 | ENetList sentReliableCommands; |
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296 | ENetList sentUnreliableCommands; |
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297 | ENetList outgoingReliableCommands; |
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298 | ENetList outgoingUnreliableCommands; |
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299 | ENetList dispatchedCommands; |
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300 | int needsDispatch; |
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301 | enet_uint16 incomingUnsequencedGroup; |
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302 | enet_uint16 outgoingUnsequencedGroup; |
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303 | enet_uint32 unsequencedWindow [ENET_PEER_UNSEQUENCED_WINDOW_SIZE / 32]; |
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304 | enet_uint32 eventData; |
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305 | } ENetPeer; |
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306 | |
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307 | /** An ENet packet compressor for compressing UDP packets before socket sends or receives. |
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308 | */ |
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309 | typedef struct _ENetCompressor |
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310 | { |
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311 | /** Context data for the compressor. Must be non-NULL. */ |
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312 | void * context; |
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313 | /** Compresses from inBuffers[0:inBufferCount-1], containing inLimit bytes, to outData, outputting at most outLimit bytes. Should return 0 on failure. */ |
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314 | size_t (ENET_CALLBACK * compress) (void * context, const ENetBuffer * inBuffers, size_t inBufferCount, size_t inLimit, enet_uint8 * outData, size_t outLimit); |
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315 | /** Decompresses from inData, containing inLimit bytes, to outData, outputting at most outLimit bytes. Should return 0 on failure. */ |
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316 | size_t (ENET_CALLBACK * decompress) (void * context, const enet_uint8 * inData, size_t inLimit, enet_uint8 * outData, size_t outLimit); |
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317 | /** Destroys the context when compression is disabled or the host is destroyed. May be NULL. */ |
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318 | void (ENET_CALLBACK * destroy) (void * context); |
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319 | } ENetCompressor; |
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320 | |
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321 | /** Callback that computes the checksum of the data held in buffers[0:bufferCount-1] */ |
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322 | typedef enet_uint32 (ENET_CALLBACK * ENetChecksumCallback) (const ENetBuffer * buffers, size_t bufferCount); |
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323 | |
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324 | /** An ENet host for communicating with peers. |
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325 | * |
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326 | * No fields should be modified unless otherwise stated. |
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327 | |
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328 | @sa enet_host_create() |
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329 | @sa enet_host_destroy() |
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330 | @sa enet_host_connect() |
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331 | @sa enet_host_service() |
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332 | @sa enet_host_flush() |
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333 | @sa enet_host_broadcast() |
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334 | @sa enet_host_compress() |
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335 | @sa enet_host_compress_with_range_coder() |
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336 | @sa enet_host_channel_limit() |
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337 | @sa enet_host_bandwidth_limit() |
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338 | @sa enet_host_bandwidth_throttle() |
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339 | */ |
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340 | typedef struct _ENetHost |
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341 | { |
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342 | ENetSocket socket4; |
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343 | ENetSocket socket6; |
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344 | ENetAddress address; /**< Internet address of the host */ |
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345 | enet_uint32 incomingBandwidth; /**< downstream bandwidth of the host */ |
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346 | enet_uint32 outgoingBandwidth; /**< upstream bandwidth of the host */ |
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347 | enet_uint32 bandwidthThrottleEpoch; |
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348 | enet_uint32 mtu; |
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349 | enet_uint32 randomSeed; |
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350 | int recalculateBandwidthLimits; |
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351 | ENetPeer * peers; /**< array of peers allocated for this host */ |
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352 | size_t peerCount; /**< number of peers allocated for this host */ |
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353 | size_t channelLimit; /**< maximum number of channels allowed for connected peers */ |
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354 | enet_uint32 serviceTime; |
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355 | ENetList dispatchQueue; |
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356 | int continueSending; |
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357 | size_t packetSize; |
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358 | enet_uint16 headerFlags; |
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359 | ENetProtocol commands [ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS]; |
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360 | size_t commandCount; |
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361 | ENetBuffer buffers [ENET_BUFFER_MAXIMUM]; |
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362 | size_t bufferCount; |
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363 | ENetChecksumCallback checksum; /**< callback the user can set to enable packet checksums for this host */ |
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364 | ENetCompressor compressor; |
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365 | enet_uint8 packetData [2][ENET_PROTOCOL_MAXIMUM_MTU]; |
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366 | ENetAddress receivedAddress; |
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367 | enet_uint8 * receivedData; |
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368 | size_t receivedDataLength; |
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369 | enet_uint32 totalSentData; /**< total data sent, user should reset to 0 as needed to prevent overflow */ |
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370 | enet_uint32 totalSentPackets; /**< total UDP packets sent, user should reset to 0 as needed to prevent overflow */ |
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371 | enet_uint32 totalReceivedData; /**< total data received, user should reset to 0 as needed to prevent overflow */ |
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372 | enet_uint32 totalReceivedPackets; /**< total UDP packets received, user should reset to 0 as needed to prevent overflow */ |
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373 | } ENetHost; |
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374 | |
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375 | /** |
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376 | * An ENet event type, as specified in @ref ENetEvent. |
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377 | */ |
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378 | typedef enum _ENetEventType |
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379 | { |
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380 | /** no event occurred within the specified time limit */ |
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381 | ENET_EVENT_TYPE_NONE = 0, |
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382 | |
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383 | /** a connection request initiated by enet_host_connect has completed. |
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384 | * The peer field contains the peer which successfully connected. |
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385 | */ |
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386 | ENET_EVENT_TYPE_CONNECT = 1, |
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387 | |
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388 | /** a peer has disconnected. This event is generated on a successful |
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389 | * completion of a disconnect initiated by enet_pper_disconnect, if |
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390 | * a peer has timed out, or if a connection request intialized by |
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391 | * enet_host_connect has timed out. The peer field contains the peer |
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392 | * which disconnected. The data field contains user supplied data |
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393 | * describing the disconnection, or 0, if none is available. |
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394 | */ |
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395 | ENET_EVENT_TYPE_DISCONNECT = 2, |
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396 | |
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397 | /** a packet has been received from a peer. The peer field specifies the |
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398 | * peer which sent the packet. The channelID field specifies the channel |
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399 | * number upon which the packet was received. The packet field contains |
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400 | * the packet that was received; this packet must be destroyed with |
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401 | * enet_packet_destroy after use. |
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402 | */ |
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403 | ENET_EVENT_TYPE_RECEIVE = 3 |
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404 | } ENetEventType; |
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405 | |
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406 | /** |
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407 | * An ENet event as returned by enet_host_service(). |
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408 | |
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409 | @sa enet_host_service |
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410 | */ |
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411 | typedef struct _ENetEvent |
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412 | { |
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413 | ENetEventType type; /**< type of the event */ |
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414 | ENetPeer * peer; /**< peer that generated a connect, disconnect or receive event */ |
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415 | enet_uint8 channelID; /**< channel on the peer that generated the event, if appropriate */ |
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416 | enet_uint32 data; /**< data associated with the event, if appropriate */ |
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417 | ENetPacket * packet; /**< packet associated with the event, if appropriate */ |
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418 | } ENetEvent; |
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419 | |
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420 | /** @defgroup global ENet global functions |
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421 | @{ |
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422 | */ |
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423 | |
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424 | /** |
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425 | Initializes ENet globally. Must be called prior to using any functions in |
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426 | ENet. |
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427 | @returns 0 on success, < 0 on failure |
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428 | */ |
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429 | ENET_API int enet_initialize (void); |
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430 | |
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431 | /** |
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432 | Initializes ENet globally and supplies user-overridden callbacks. Must be called prior to using any functions in ENet. Do not use enet_initialize() if you use this variant. Make sure the ENetCallbacks structure is zeroed out so that any additional callbacks added in future versions will be properly ignored. |
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433 | |
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434 | @param version the constant ENET_VERSION should be supplied so ENet knows which version of ENetCallbacks struct to use |
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435 | @param inits user-overriden callbacks where any NULL callbacks will use ENet's defaults |
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436 | @returns 0 on success, < 0 on failure |
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437 | */ |
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438 | ENET_API int enet_initialize_with_callbacks (ENetVersion version, const ENetCallbacks * inits); |
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439 | |
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440 | /** |
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441 | Shuts down ENet globally. Should be called when a program that has |
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442 | initialized ENet exits. |
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443 | */ |
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444 | ENET_API void enet_deinitialize (void); |
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445 | |
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446 | /** @} */ |
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447 | |
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448 | /** @defgroup private ENet private implementation functions */ |
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449 | |
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450 | /** |
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451 | Returns the wall-time in milliseconds. Its initial value is unspecified |
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452 | unless otherwise set. |
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453 | */ |
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454 | ENET_API enet_uint32 enet_time_get (void); |
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455 | /** |
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456 | Sets the current wall-time in milliseconds. |
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457 | */ |
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458 | ENET_API void enet_time_set (enet_uint32); |
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459 | |
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460 | /** @defgroup socket ENet socket functions |
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461 | @{ |
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462 | */ |
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463 | ENET_API ENetSocket enet_socket_create (ENetSocketType, ENetAddressFamily); |
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464 | ENET_API int enet_socket_bind (ENetSocket, const ENetAddress *, ENetAddressFamily); |
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465 | ENET_API int enet_socket_listen (ENetSocket, int); |
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466 | ENET_API ENetSocket enet_socket_accept (ENetSocket, ENetAddress *, ENetAddressFamily); |
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467 | ENET_API int enet_socket_connect (ENetSocket, const ENetAddress *, ENetAddressFamily); |
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468 | ENET_API int enet_socket_send (ENetSocket, const ENetAddress *, const ENetBuffer *, size_t, ENetAddressFamily); |
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469 | ENET_API int enet_socket_receive (ENetSocket, ENetAddress *, ENetBuffer *, size_t, ENetAddressFamily); |
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470 | ENET_API int enet_socket_wait (ENetSocket, ENetSocket, enet_uint32 *, enet_uint32); |
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471 | ENET_API int enet_socket_set_option (ENetSocket, ENetSocketOption, int); |
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472 | ENET_API void enet_socket_destroy (ENetSocket); |
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473 | ENET_API int enet_socketset_select (ENetSocket, ENetSocketSet *, ENetSocketSet *, enet_uint32); |
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474 | |
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475 | /** @} */ |
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476 | |
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477 | /** @defgroup Address ENet address functions |
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478 | @{ |
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479 | */ |
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480 | /** Attempts to resolve the host named by the parameter hostName and sets |
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481 | the host field in the address parameter if successful. |
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482 | @param address destination to store resolved address |
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483 | @param hostName host name to lookup |
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484 | @retval 0 on success |
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485 | @retval < 0 on failure |
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486 | @returns the address of the given hostName in address on success |
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487 | */ |
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488 | ENET_API int enet_address_set_host (ENetAddress * address, const char * hostName); |
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489 | |
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490 | /** Gives the printable form of the ip address specified in the address parameter. |
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491 | @param address address printed |
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492 | @param hostName destination for name, must not be NULL |
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493 | @param nameLength maximum length of hostName. |
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494 | @returns the null-terminated name of the host in hostName on success |
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495 | @retval 0 on success |
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496 | @retval < 0 on failure |
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497 | */ |
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498 | ENET_API int enet_address_get_host_ip (const ENetAddress * address, char * hostName, size_t nameLength); |
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499 | |
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500 | /** Attempts to do a reverse lookup of the host field in the address parameter. |
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501 | @param address address used for reverse lookup |
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502 | @param hostName destination for name, must not be NULL |
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503 | @param nameLength maximum length of hostName. |
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504 | @returns the null-terminated name of the host in hostName on success |
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505 | @retval 0 on success |
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506 | @retval < 0 on failure |
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507 | */ |
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508 | ENET_API int enet_address_get_host (const ENetAddress * address, char * hostName, size_t nameLength); |
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509 | |
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510 | /** Maps an IPv4 Address to an IPv6 address. |
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511 | @param address IPv4 address in network byte order |
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512 | @returns the IPv4-mapped IPv6 address in network byte order |
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513 | */ |
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514 | ENET_API ENetHostAddress enet_address_map4 (enet_uint32 address); |
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515 | |
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516 | /** Returns the Address family of an (IPv4-mapped) IPv6 address. |
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517 | @param address IPv6 address |
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518 | @returns address family |
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519 | */ |
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520 | ENET_API ENetAddressFamily enet_get_address_family (const ENetAddress * address); |
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521 | |
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522 | /** @} */ |
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523 | |
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524 | ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32); |
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525 | ENET_API void enet_packet_destroy (ENetPacket *); |
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526 | ENET_API int enet_packet_resize (ENetPacket *, size_t); |
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527 | extern enet_uint32 enet_crc32 (const ENetBuffer *, size_t); |
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528 | |
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529 | ENET_API ENetHost * enet_host_create (const ENetAddress *, size_t, size_t, enet_uint32, enet_uint32); |
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530 | ENET_API void enet_host_destroy (ENetHost *); |
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531 | ENET_API ENetPeer * enet_host_connect (ENetHost *, const ENetAddress *, size_t, enet_uint32); |
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532 | ENET_API int enet_host_check_events (ENetHost *, ENetEvent *); |
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533 | ENET_API int enet_host_service (ENetHost *, ENetEvent *, enet_uint32); |
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534 | ENET_API void enet_host_flush (ENetHost *); |
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535 | ENET_API void enet_host_broadcast (ENetHost *, enet_uint8, ENetPacket *); |
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536 | ENET_API void enet_host_compress (ENetHost *, const ENetCompressor *); |
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537 | ENET_API int enet_host_compress_with_range_coder (ENetHost * host); |
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538 | ENET_API void enet_host_channel_limit (ENetHost *, size_t); |
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539 | ENET_API void enet_host_bandwidth_limit (ENetHost *, enet_uint32, enet_uint32); |
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540 | extern void enet_host_bandwidth_throttle (ENetHost *); |
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541 | |
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542 | ENET_API int enet_peer_send (ENetPeer *, enet_uint8, ENetPacket *); |
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543 | ENET_API ENetPacket * enet_peer_receive (ENetPeer *, enet_uint8 * channelID); |
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544 | ENET_API void enet_peer_ping (ENetPeer *); |
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545 | ENET_API void enet_peer_reset (ENetPeer *); |
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546 | ENET_API void enet_peer_disconnect (ENetPeer *, enet_uint32); |
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547 | ENET_API void enet_peer_disconnect_now (ENetPeer *, enet_uint32); |
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548 | ENET_API void enet_peer_disconnect_later (ENetPeer *, enet_uint32); |
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549 | ENET_API void enet_peer_throttle_configure (ENetPeer *, enet_uint32, enet_uint32, enet_uint32); |
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550 | extern int enet_peer_throttle (ENetPeer *, enet_uint32); |
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551 | extern void enet_peer_reset_queues (ENetPeer *); |
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552 | extern void enet_peer_setup_outgoing_command (ENetPeer *, ENetOutgoingCommand *); |
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553 | extern ENetOutgoingCommand * enet_peer_queue_outgoing_command (ENetPeer *, const ENetProtocol *, ENetPacket *, enet_uint32, enet_uint16); |
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554 | extern ENetIncomingCommand * enet_peer_queue_incoming_command (ENetPeer *, const ENetProtocol *, ENetPacket *, enet_uint32); |
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555 | extern ENetAcknowledgement * enet_peer_queue_acknowledgement (ENetPeer *, const ENetProtocol *, enet_uint16); |
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556 | extern void enet_peer_dispatch_incoming_unreliable_commands (ENetPeer *, ENetChannel *); |
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557 | extern void enet_peer_dispatch_incoming_reliable_commands (ENetPeer *, ENetChannel *); |
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558 | |
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559 | ENET_API void * enet_range_coder_create (void); |
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560 | ENET_API void enet_range_coder_destroy (void *); |
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561 | ENET_API size_t enet_range_coder_compress (void *, const ENetBuffer *, size_t, size_t, enet_uint8 *, size_t); |
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562 | ENET_API size_t enet_range_coder_decompress (void *, const enet_uint8 *, size_t, enet_uint8 *, size_t); |
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563 | |
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564 | extern size_t enet_protocol_command_size (enet_uint8); |
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565 | |
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566 | #ifdef __cplusplus |
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567 | } |
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568 | #endif |
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569 | |
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570 | #endif /* __ENET_ENET_H__ */ |
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571 | |
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