[ENet] Update to upstream master.
(cherry picked from commit 6aedce488b)
This commit is contained in:
Fabio Alessandrelli
Rémi Verschelde
parent
f701e73572
commit
56ce1d809d
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@ -73,7 +73,7 @@ commits.
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## enet
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- Upstream: http://enet.bespin.org
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- Version: 1.3.17 (e0e7045b7e056b454b5093cb34df49dc4cee0bee, 2020)
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- Version: git (ea4607a90dbfbcf4da2669ea998585253d8e70b1, 2023)
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- License: MIT
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Files extracted from upstream source:
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@ -68,7 +68,8 @@ typedef enum _ENetSocketOption
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ENET_SOCKOPT_RCVTIMEO = 6,
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ENET_SOCKOPT_SNDTIMEO = 7,
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ENET_SOCKOPT_ERROR = 8,
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ENET_SOCKOPT_NODELAY = 9
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ENET_SOCKOPT_NODELAY = 9,
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ENET_SOCKOPT_TTL = 10
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} ENetSocketOption;
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typedef enum _ENetSocketShutdown
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@ -179,7 +180,7 @@ typedef struct _ENetOutgoingCommand
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enet_uint16 unreliableSequenceNumber;
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enet_uint32 sentTime;
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enet_uint32 roundTripTimeout;
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enet_uint32 roundTripTimeoutLimit;
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enet_uint32 queueTime;
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enet_uint32 fragmentOffset;
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enet_uint16 fragmentLength;
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enet_uint16 sendAttempts;
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@ -222,7 +223,7 @@ enum
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ENET_HOST_RECEIVE_BUFFER_SIZE = 256 * 1024,
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ENET_HOST_SEND_BUFFER_SIZE = 256 * 1024,
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ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL = 1000,
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ENET_HOST_DEFAULT_MTU = 1400,
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ENET_HOST_DEFAULT_MTU = 1392,
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ENET_HOST_DEFAULT_MAXIMUM_PACKET_SIZE = 32 * 1024 * 1024,
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ENET_HOST_DEFAULT_MAXIMUM_WAITING_DATA = 32 * 1024 * 1024,
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@ -262,7 +263,8 @@ typedef struct _ENetChannel
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typedef enum _ENetPeerFlag
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{
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ENET_PEER_FLAG_NEEDS_DISPATCH = (1 << 0)
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ENET_PEER_FLAG_NEEDS_DISPATCH = (1 << 0),
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ENET_PEER_FLAG_CONTINUE_SENDING = (1 << 1)
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} ENetPeerFlag;
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/**
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@ -322,7 +324,7 @@ typedef struct _ENetPeer
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enet_uint16 outgoingReliableSequenceNumber;
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ENetList acknowledgements;
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ENetList sentReliableCommands;
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ENetList sentUnreliableCommands;
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ENetList outgoingSendReliableCommands;
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ENetList outgoingCommands;
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ENetList dispatchedCommands;
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enet_uint16 flags;
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@ -385,7 +387,7 @@ typedef struct _ENetHost
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size_t channelLimit; /**< maximum number of channels allowed for connected peers */
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enet_uint32 serviceTime;
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ENetList dispatchQueue;
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int continueSending;
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enet_uint32 totalQueued;
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size_t packetSize;
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enet_uint16 headerFlags;
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ENetProtocol commands [ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS];
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@ -585,6 +587,7 @@ ENET_API void enet_host_channel_limit (ENetHost *, size_t);
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ENET_API void enet_host_bandwidth_limit (ENetHost *, enet_uint32, enet_uint32);
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extern void enet_host_bandwidth_throttle (ENetHost *);
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extern enet_uint32 enet_host_random_seed (void);
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extern enet_uint32 enet_host_random (ENetHost *);
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ENET_API int enet_peer_send (ENetPeer *, enet_uint8, ENetPacket *);
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ENET_API ENetPacket * enet_peer_receive (ENetPeer *, enet_uint8 * channelID);
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@ -598,6 +601,7 @@ ENET_API void enet_peer_disconnect_later (ENetPeer *, enet_uint32
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ENET_API void enet_peer_throttle_configure (ENetPeer *, enet_uint32, enet_uint32, enet_uint32);
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extern int enet_peer_throttle (ENetPeer *, enet_uint32);
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extern void enet_peer_reset_queues (ENetPeer *);
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extern int enet_peer_has_outgoing_commands (ENetPeer *);
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extern void enet_peer_setup_outgoing_command (ENetPeer *, ENetOutgoingCommand *);
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extern ENetOutgoingCommand * enet_peer_queue_outgoing_command (ENetPeer *, const ENetProtocol *, ENetPacket *, enet_uint32, enet_uint16);
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extern ENetIncomingCommand * enet_peer_queue_incoming_command (ENetPeer *, const ENetProtocol *, const void *, size_t, enet_uint32, enet_uint32);
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@ -96,6 +96,7 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
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host -> totalSentPackets = 0;
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host -> totalReceivedData = 0;
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host -> totalReceivedPackets = 0;
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host -> totalQueued = 0;
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host -> connectedPeers = 0;
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host -> bandwidthLimitedPeers = 0;
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@ -123,8 +124,8 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
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enet_list_clear (& currentPeer -> acknowledgements);
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enet_list_clear (& currentPeer -> sentReliableCommands);
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enet_list_clear (& currentPeer -> sentUnreliableCommands);
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enet_list_clear (& currentPeer -> outgoingCommands);
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enet_list_clear (& currentPeer -> outgoingSendReliableCommands);
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enet_list_clear (& currentPeer -> dispatchedCommands);
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enet_peer_reset (currentPeer);
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@ -160,6 +161,16 @@ enet_host_destroy (ENetHost * host)
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enet_free (host);
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}
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enet_uint32
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enet_host_random (ENetHost * host)
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{
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/* Mulberry32 by Tommy Ettinger */
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enet_uint32 n = (host -> randomSeed += 0x6D2B79F5U);
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n = (n ^ (n >> 15)) * (n | 1U);
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n ^= n + (n ^ (n >> 7)) * (n | 61U);
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return n ^ (n >> 14);
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}
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/** Initiates a connection to a foreign host.
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@param host host seeking the connection
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@param address destination for the connection
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@ -199,7 +210,8 @@ enet_host_connect (ENetHost * host, const ENetAddress * address, size_t channelC
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currentPeer -> channelCount = channelCount;
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currentPeer -> state = ENET_PEER_STATE_CONNECTING;
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currentPeer -> address = * address;
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currentPeer -> connectID = ++ host -> randomSeed;
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currentPeer -> connectID = enet_host_random (host);
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currentPeer -> mtu = host -> mtu;
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if (host -> outgoingBandwidth == 0)
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currentPeer -> windowSize = ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE;
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@ -98,54 +98,47 @@ enet_packet_resize (ENetPacket * packet, size_t dataLength)
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return 0;
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}
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static int initializedCRC32 = 0;
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static enet_uint32 crcTable [256];
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static enet_uint32
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reflect_crc (int val, int bits)
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static const enet_uint32 crcTable [256] =
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{
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int result = 0, bit;
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for (bit = 0; bit < bits; bit ++)
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{
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if(val & 1) result |= 1 << (bits - 1 - bit);
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val >>= 1;
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}
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return result;
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}
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static void
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initialize_crc32 (void)
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{
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int byte;
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for (byte = 0; byte < 256; ++ byte)
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{
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enet_uint32 crc = reflect_crc (byte, 8) << 24;
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int offset;
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for(offset = 0; offset < 8; ++ offset)
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{
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if (crc & 0x80000000)
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crc = (crc << 1) ^ 0x04c11db7;
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else
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crc <<= 1;
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}
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crcTable [byte] = reflect_crc (crc, 32);
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}
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initializedCRC32 = 1;
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}
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0, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
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0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
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0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
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0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
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0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
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0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
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0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
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0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
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0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
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0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
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0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
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0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
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0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
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0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
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0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
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0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
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0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
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0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
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0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
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0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
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0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
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0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
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0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
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0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
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0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x5005713,
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0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0xBDBDF21,
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0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
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0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
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0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
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0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
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0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
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0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
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};
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enet_uint32
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enet_crc32 (const ENetBuffer * buffers, size_t bufferCount)
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{
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enet_uint32 crc = 0xFFFFFFFF;
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if (! initializedCRC32) initialize_crc32 ();
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while (bufferCount -- > 0)
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{
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const enet_uint8 * data = (const enet_uint8 *) buffers -> data,
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@ -90,6 +90,13 @@ enet_peer_throttle (ENetPeer * peer, enet_uint32 rtt)
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}
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/** Queues a packet to be sent.
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On success, ENet will assume ownership of the packet, and so enet_packet_destroy
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should not be called on it thereafter. On failure, the caller still must destroy
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the packet on its own as ENet has not queued the packet. The caller can also
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check the packet's referenceCount field after sending to check if ENet queued
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the packet and thus incremented the referenceCount.
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@param peer destination for the packet
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@param channelID channel on which to send
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@param packet packet to send
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@ -99,7 +106,7 @@ enet_peer_throttle (ENetPeer * peer, enet_uint32 rtt)
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int
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enet_peer_send (ENetPeer * peer, enet_uint8 channelID, ENetPacket * packet)
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{
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ENetChannel * channel = & peer -> channels [channelID];
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ENetChannel * channel;
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ENetProtocol command;
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size_t fragmentLength;
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@ -108,6 +115,7 @@ enet_peer_send (ENetPeer * peer, enet_uint8 channelID, ENetPacket * packet)
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packet -> dataLength > peer -> host -> maximumPacketSize)
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return -1;
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channel = & peer -> channels [channelID];
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fragmentLength = peer -> mtu - sizeof (ENetProtocolHeader) - sizeof (ENetProtocolSendFragment);
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if (peer -> host -> checksum != NULL)
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fragmentLength -= sizeof(enet_uint32);
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@ -320,8 +328,8 @@ enet_peer_reset_queues (ENetPeer * peer)
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enet_free (enet_list_remove (enet_list_begin (& peer -> acknowledgements)));
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enet_peer_reset_outgoing_commands (& peer -> sentReliableCommands);
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enet_peer_reset_outgoing_commands (& peer -> sentUnreliableCommands);
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enet_peer_reset_outgoing_commands (& peer -> outgoingCommands);
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enet_peer_reset_outgoing_commands (& peer -> outgoingSendReliableCommands);
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enet_peer_reset_incoming_commands (& peer -> dispatchedCommands);
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if (peer -> channels != NULL && peer -> channelCount > 0)
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@ -563,6 +571,17 @@ enet_peer_disconnect (ENetPeer * peer, enet_uint32 data)
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}
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}
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int
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enet_peer_has_outgoing_commands (ENetPeer * peer)
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{
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if (enet_list_empty (& peer -> outgoingCommands) &&
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enet_list_empty (& peer -> outgoingSendReliableCommands) &&
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enet_list_empty (& peer -> sentReliableCommands))
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return 0;
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return 1;
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}
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/** Request a disconnection from a peer, but only after all queued outgoing packets are sent.
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@param peer peer to request a disconnection
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@param data data describing the disconnection
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@ -573,8 +592,7 @@ void
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enet_peer_disconnect_later (ENetPeer * peer, enet_uint32 data)
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{
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if ((peer -> state == ENET_PEER_STATE_CONNECTED || peer -> state == ENET_PEER_STATE_DISCONNECT_LATER) &&
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! (enet_list_empty (& peer -> outgoingCommands) &&
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enet_list_empty (& peer -> sentReliableCommands)))
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enet_peer_has_outgoing_commands (peer))
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{
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peer -> state = ENET_PEER_STATE_DISCONNECT_LATER;
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peer -> eventData = data;
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@ -618,8 +636,6 @@ enet_peer_queue_acknowledgement (ENetPeer * peer, const ENetProtocol * command,
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void
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enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoingCommand)
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{
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ENetChannel * channel = & peer -> channels [outgoingCommand -> command.header.channelID];
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peer -> outgoingDataTotal += enet_protocol_command_size (outgoingCommand -> command.header.command) + outgoingCommand -> fragmentLength;
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if (outgoingCommand -> command.header.channelID == 0xFF)
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@ -630,6 +646,9 @@ enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoin
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outgoingCommand -> unreliableSequenceNumber = 0;
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}
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else
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{
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ENetChannel * channel = & peer -> channels [outgoingCommand -> command.header.channelID];
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if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
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{
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++ channel -> outgoingReliableSequenceNumber;
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@ -654,12 +673,13 @@ enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoin
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outgoingCommand -> reliableSequenceNumber = channel -> outgoingReliableSequenceNumber;
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outgoingCommand -> unreliableSequenceNumber = channel -> outgoingUnreliableSequenceNumber;
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}
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}
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outgoingCommand -> sendAttempts = 0;
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outgoingCommand -> sentTime = 0;
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outgoingCommand -> roundTripTimeout = 0;
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outgoingCommand -> roundTripTimeoutLimit = 0;
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outgoingCommand -> command.header.reliableSequenceNumber = ENET_HOST_TO_NET_16 (outgoingCommand -> reliableSequenceNumber);
|
||||
outgoingCommand -> queueTime = ++ peer -> host -> totalQueued;
|
||||
|
||||
switch (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_MASK)
|
||||
{
|
||||
|
|
@ -675,6 +695,10 @@ enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoin
|
|||
break;
|
||||
}
|
||||
|
||||
if ((outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE) != 0 &&
|
||||
outgoingCommand -> packet != NULL)
|
||||
enet_list_insert (enet_list_end (& peer -> outgoingSendReliableCommands), outgoingCommand);
|
||||
else
|
||||
enet_list_insert (enet_list_end (& peer -> outgoingCommands), outgoingCommand);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@
|
|||
#include "enet/time.h"
|
||||
#include "enet/enet.h"
|
||||
|
||||
static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
|
||||
static const size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
|
||||
{
|
||||
0,
|
||||
sizeof (ENetProtocolAcknowledge),
|
||||
|
|
@ -159,16 +159,16 @@ enet_protocol_notify_disconnect (ENetHost * host, ENetPeer * peer, ENetEvent * e
|
|||
}
|
||||
|
||||
static void
|
||||
enet_protocol_remove_sent_unreliable_commands (ENetPeer * peer)
|
||||
enet_protocol_remove_sent_unreliable_commands (ENetPeer * peer, ENetList * sentUnreliableCommands)
|
||||
{
|
||||
ENetOutgoingCommand * outgoingCommand;
|
||||
|
||||
if (enet_list_empty (& peer -> sentUnreliableCommands))
|
||||
if (enet_list_empty (sentUnreliableCommands))
|
||||
return;
|
||||
|
||||
do
|
||||
{
|
||||
outgoingCommand = (ENetOutgoingCommand *) enet_list_front (& peer -> sentUnreliableCommands);
|
||||
outgoingCommand = (ENetOutgoingCommand *) enet_list_front (sentUnreliableCommands);
|
||||
|
||||
enet_list_remove (& outgoingCommand -> outgoingCommandList);
|
||||
|
||||
|
|
@ -185,14 +185,38 @@ enet_protocol_remove_sent_unreliable_commands (ENetPeer * peer)
|
|||
}
|
||||
|
||||
enet_free (outgoingCommand);
|
||||
} while (! enet_list_empty (& peer -> sentUnreliableCommands));
|
||||
} while (! enet_list_empty (sentUnreliableCommands));
|
||||
|
||||
if (peer -> state == ENET_PEER_STATE_DISCONNECT_LATER &&
|
||||
enet_list_empty (& peer -> outgoingCommands) &&
|
||||
enet_list_empty (& peer -> sentReliableCommands))
|
||||
! enet_peer_has_outgoing_commands (peer))
|
||||
enet_peer_disconnect (peer, peer -> eventData);
|
||||
}
|
||||
|
||||
static ENetOutgoingCommand *
|
||||
enet_protocol_find_sent_reliable_command (ENetList * list, enet_uint16 reliableSequenceNumber, enet_uint8 channelID)
|
||||
{
|
||||
ENetListIterator currentCommand;
|
||||
|
||||
for (currentCommand = enet_list_begin (list);
|
||||
currentCommand != enet_list_end (list);
|
||||
currentCommand = enet_list_next (currentCommand))
|
||||
{
|
||||
ENetOutgoingCommand * outgoingCommand = (ENetOutgoingCommand *) currentCommand;
|
||||
|
||||
if (! (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE))
|
||||
continue;
|
||||
|
||||
if (outgoingCommand -> sendAttempts < 1)
|
||||
break;
|
||||
|
||||
if (outgoingCommand -> reliableSequenceNumber == reliableSequenceNumber &&
|
||||
outgoingCommand -> command.header.channelID == channelID)
|
||||
return outgoingCommand;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static ENetProtocolCommand
|
||||
enet_protocol_remove_sent_reliable_command (ENetPeer * peer, enet_uint16 reliableSequenceNumber, enet_uint8 channelID)
|
||||
{
|
||||
|
|
@ -214,24 +238,9 @@ enet_protocol_remove_sent_reliable_command (ENetPeer * peer, enet_uint16 reliabl
|
|||
|
||||
if (currentCommand == enet_list_end (& peer -> sentReliableCommands))
|
||||
{
|
||||
for (currentCommand = enet_list_begin (& peer -> outgoingCommands);
|
||||
currentCommand != enet_list_end (& peer -> outgoingCommands);
|
||||
currentCommand = enet_list_next (currentCommand))
|
||||
{
|
||||
outgoingCommand = (ENetOutgoingCommand *) currentCommand;
|
||||
|
||||
if (! (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE))
|
||||
continue;
|
||||
|
||||
if (outgoingCommand -> sendAttempts < 1) return ENET_PROTOCOL_COMMAND_NONE;
|
||||
|
||||
if (outgoingCommand -> reliableSequenceNumber == reliableSequenceNumber &&
|
||||
outgoingCommand -> command.header.channelID == channelID)
|
||||
break;
|
||||
}
|
||||
|
||||
if (currentCommand == enet_list_end (& peer -> outgoingCommands))
|
||||
return ENET_PROTOCOL_COMMAND_NONE;
|
||||
outgoingCommand = enet_protocol_find_sent_reliable_command (& peer -> outgoingCommands, reliableSequenceNumber, channelID);
|
||||
if (outgoingCommand == NULL)
|
||||
outgoingCommand = enet_protocol_find_sent_reliable_command (& peer -> outgoingSendReliableCommands, reliableSequenceNumber, channelID);
|
||||
|
||||
wasSent = 0;
|
||||
}
|
||||
|
|
@ -331,6 +340,7 @@ enet_protocol_handle_connect (ENetHost * host, ENetProtocolHeader * header, ENet
|
|||
peer -> state = ENET_PEER_STATE_ACKNOWLEDGING_CONNECT;
|
||||
peer -> connectID = command -> connect.connectID;
|
||||
peer -> address = host -> receivedAddress;
|
||||
peer -> mtu = host -> mtu;
|
||||
peer -> outgoingPeerID = ENET_NET_TO_HOST_16 (command -> connect.outgoingPeerID);
|
||||
peer -> incomingBandwidth = ENET_NET_TO_HOST_32 (command -> connect.incomingBandwidth);
|
||||
peer -> outgoingBandwidth = ENET_NET_TO_HOST_32 (command -> connect.outgoingBandwidth);
|
||||
|
|
@ -375,6 +385,7 @@ enet_protocol_handle_connect (ENetHost * host, ENetProtocolHeader * header, ENet
|
|||
if (mtu > ENET_PROTOCOL_MAXIMUM_MTU)
|
||||
mtu = ENET_PROTOCOL_MAXIMUM_MTU;
|
||||
|
||||
if (mtu < peer -> mtu)
|
||||
peer -> mtu = mtu;
|
||||
|
||||
if (host -> outgoingBandwidth == 0 &&
|
||||
|
|
@ -542,7 +553,8 @@ enet_protocol_handle_send_fragment (ENetHost * host, ENetPeer * peer, const ENet
|
|||
|
||||
fragmentLength = ENET_NET_TO_HOST_16 (command -> sendFragment.dataLength);
|
||||
* currentData += fragmentLength;
|
||||
if (fragmentLength > host -> maximumPacketSize ||
|
||||
if (fragmentLength <= 0 ||
|
||||
fragmentLength > host -> maximumPacketSize ||
|
||||
* currentData < host -> receivedData ||
|
||||
* currentData > & host -> receivedData [host -> receivedDataLength])
|
||||
return -1;
|
||||
|
|
@ -566,6 +578,7 @@ enet_protocol_handle_send_fragment (ENetHost * host, ENetPeer * peer, const ENet
|
|||
if (fragmentCount > ENET_PROTOCOL_MAXIMUM_FRAGMENT_COUNT ||
|
||||
fragmentNumber >= fragmentCount ||
|
||||
totalLength > host -> maximumPacketSize ||
|
||||
totalLength < fragmentCount ||
|
||||
fragmentOffset >= totalLength ||
|
||||
fragmentLength > totalLength - fragmentOffset)
|
||||
return -1;
|
||||
|
|
@ -921,8 +934,7 @@ enet_protocol_handle_acknowledge (ENetHost * host, ENetEvent * event, ENetPeer *
|
|||
break;
|
||||
|
||||
case ENET_PEER_STATE_DISCONNECT_LATER:
|
||||
if (enet_list_empty (& peer -> outgoingCommands) &&
|
||||
enet_list_empty (& peer -> sentReliableCommands))
|
||||
if (! enet_peer_has_outgoing_commands (peer))
|
||||
enet_peer_disconnect (peer, peer -> eventData);
|
||||
break;
|
||||
|
||||
|
|
@ -1230,6 +1242,9 @@ enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event)
|
|||
& buffer,
|
||||
1);
|
||||
|
||||
if (receivedLength == -2)
|
||||
continue;
|
||||
|
||||
if (receivedLength < 0)
|
||||
return -1;
|
||||
|
||||
|
|
@ -1293,7 +1308,7 @@ enet_protocol_send_acknowledgements (ENetHost * host, ENetPeer * peer)
|
|||
buffer >= & host -> buffers [sizeof (host -> buffers) / sizeof (ENetBuffer)] ||
|
||||
peer -> mtu - host -> packetSize < sizeof (ENetProtocolAcknowledge))
|
||||
{
|
||||
host -> continueSending = 1;
|
||||
peer -> flags |= ENET_PEER_FLAG_CONTINUE_SENDING;
|
||||
|
||||
break;
|
||||
}
|
||||
|
|
@ -1333,10 +1348,11 @@ static int
|
|||
enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * event)
|
||||
{
|
||||
ENetOutgoingCommand * outgoingCommand;
|
||||
ENetListIterator currentCommand, insertPosition;
|
||||
ENetListIterator currentCommand, insertPosition, insertSendReliablePosition;
|
||||
|
||||
currentCommand = enet_list_begin (& peer -> sentReliableCommands);
|
||||
insertPosition = enet_list_begin (& peer -> outgoingCommands);
|
||||
insertSendReliablePosition = enet_list_begin (& peer -> outgoingSendReliableCommands);
|
||||
|
||||
while (currentCommand != enet_list_end (& peer -> sentReliableCommands))
|
||||
{
|
||||
|
|
@ -1353,7 +1369,7 @@ enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * even
|
|||
|
||||
if (peer -> earliestTimeout != 0 &&
|
||||
(ENET_TIME_DIFFERENCE (host -> serviceTime, peer -> earliestTimeout) >= peer -> timeoutMaximum ||
|
||||
(outgoingCommand -> roundTripTimeout >= outgoingCommand -> roundTripTimeoutLimit &&
|
||||
((1 << (outgoingCommand -> sendAttempts - 1)) >= peer -> timeoutLimit &&
|
||||
ENET_TIME_DIFFERENCE (host -> serviceTime, peer -> earliestTimeout) >= peer -> timeoutMinimum)))
|
||||
{
|
||||
enet_protocol_notify_disconnect (host, peer, event);
|
||||
|
|
@ -1361,13 +1377,17 @@ enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * even
|
|||
return 1;
|
||||
}
|
||||
|
||||
if (outgoingCommand -> packet != NULL)
|
||||
peer -> reliableDataInTransit -= outgoingCommand -> fragmentLength;
|
||||
|
||||
++ peer -> packetsLost;
|
||||
|
||||
outgoingCommand -> roundTripTimeout *= 2;
|
||||
|
||||
if (outgoingCommand -> packet != NULL)
|
||||
{
|
||||
peer -> reliableDataInTransit -= outgoingCommand -> fragmentLength;
|
||||
|
||||
enet_list_insert (insertSendReliablePosition, enet_list_remove (& outgoingCommand -> outgoingCommandList));
|
||||
}
|
||||
else
|
||||
enet_list_insert (insertPosition, enet_list_remove (& outgoingCommand -> outgoingCommandList));
|
||||
|
||||
if (currentCommand == enet_list_begin (& peer -> sentReliableCommands) &&
|
||||
|
|
@ -1383,56 +1403,71 @@ enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * even
|
|||
}
|
||||
|
||||
static int
|
||||
enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer)
|
||||
enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer, ENetList * sentUnreliableCommands)
|
||||
{
|
||||
ENetProtocol * command = & host -> commands [host -> commandCount];
|
||||
ENetBuffer * buffer = & host -> buffers [host -> bufferCount];
|
||||
ENetOutgoingCommand * outgoingCommand;
|
||||
ENetListIterator currentCommand;
|
||||
ENetChannel *channel;
|
||||
enet_uint16 reliableWindow;
|
||||
ENetListIterator currentCommand, currentSendReliableCommand;
|
||||
ENetChannel *channel = NULL;
|
||||
enet_uint16 reliableWindow = 0;
|
||||
size_t commandSize;
|
||||
int windowExceeded = 0, windowWrap = 0, canPing = 1;
|
||||
int windowWrap = 0, canPing = 1;
|
||||
|
||||
currentCommand = enet_list_begin (& peer -> outgoingCommands);
|
||||
currentSendReliableCommand = enet_list_begin (& peer -> outgoingSendReliableCommands);
|
||||
|
||||
while (currentCommand != enet_list_end (& peer -> outgoingCommands))
|
||||
for (;;)
|
||||
{
|
||||
if (currentCommand != enet_list_end (& peer -> outgoingCommands))
|
||||
{
|
||||
outgoingCommand = (ENetOutgoingCommand *) currentCommand;
|
||||
|
||||
if (currentSendReliableCommand != enet_list_end (& peer -> outgoingSendReliableCommands) &&
|
||||
ENET_TIME_LESS (((ENetOutgoingCommand *) currentSendReliableCommand) -> queueTime, outgoingCommand -> queueTime))
|
||||
goto useSendReliableCommand;
|
||||
|
||||
currentCommand = enet_list_next (currentCommand);
|
||||
}
|
||||
else
|
||||
if (currentSendReliableCommand != enet_list_end (& peer -> outgoingSendReliableCommands))
|
||||
{
|
||||
useSendReliableCommand:
|
||||
outgoingCommand = (ENetOutgoingCommand *) currentSendReliableCommand;
|
||||
currentSendReliableCommand = enet_list_next (currentSendReliableCommand);
|
||||
}
|
||||
else
|
||||
break;
|
||||
|
||||
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
|
||||
{
|
||||
channel = outgoingCommand -> command.header.channelID < peer -> channelCount ? & peer -> channels [outgoingCommand -> command.header.channelID] : NULL;
|
||||
reliableWindow = outgoingCommand -> reliableSequenceNumber / ENET_PEER_RELIABLE_WINDOW_SIZE;
|
||||
if (channel != NULL)
|
||||
{
|
||||
if (! windowWrap &&
|
||||
outgoingCommand -> sendAttempts < 1 &&
|
||||
if (windowWrap)
|
||||
continue;
|
||||
else
|
||||
if (outgoingCommand -> sendAttempts < 1 &&
|
||||
! (outgoingCommand -> reliableSequenceNumber % ENET_PEER_RELIABLE_WINDOW_SIZE) &&
|
||||
(channel -> reliableWindows [(reliableWindow + ENET_PEER_RELIABLE_WINDOWS - 1) % ENET_PEER_RELIABLE_WINDOWS] >= ENET_PEER_RELIABLE_WINDOW_SIZE ||
|
||||
channel -> usedReliableWindows & ((((1 << (ENET_PEER_FREE_RELIABLE_WINDOWS + 2)) - 1) << reliableWindow) |
|
||||
(((1 << (ENET_PEER_FREE_RELIABLE_WINDOWS + 2)) - 1) >> (ENET_PEER_RELIABLE_WINDOWS - reliableWindow)))))
|
||||
windowWrap = 1;
|
||||
if (windowWrap)
|
||||
{
|
||||
currentCommand = enet_list_next (currentCommand);
|
||||
windowWrap = 1;
|
||||
currentSendReliableCommand = enet_list_end (& peer -> outgoingSendReliableCommands);
|
||||
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
if (outgoingCommand -> packet != NULL)
|
||||
{
|
||||
if (! windowExceeded)
|
||||
{
|
||||
enet_uint32 windowSize = (peer -> packetThrottle * peer -> windowSize) / ENET_PEER_PACKET_THROTTLE_SCALE;
|
||||
|
||||
if (peer -> reliableDataInTransit + outgoingCommand -> fragmentLength > ENET_MAX (windowSize, peer -> mtu))
|
||||
windowExceeded = 1;
|
||||
}
|
||||
if (windowExceeded)
|
||||
{
|
||||
currentCommand = enet_list_next (currentCommand);
|
||||
currentSendReliableCommand = enet_list_end (& peer -> outgoingSendReliableCommands);
|
||||
|
||||
continue;
|
||||
}
|
||||
|
|
@ -1448,13 +1483,11 @@ enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer)
|
|||
(outgoingCommand -> packet != NULL &&
|
||||
(enet_uint16) (peer -> mtu - host -> packetSize) < (enet_uint16) (commandSize + outgoingCommand -> fragmentLength)))
|
||||
{
|
||||
host -> continueSending = 1;
|
||||
peer -> flags |= ENET_PEER_FLAG_CONTINUE_SENDING;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
currentCommand = enet_list_next (currentCommand);
|
||||
|
||||
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
|
||||
{
|
||||
if (channel != NULL && outgoingCommand -> sendAttempts < 1)
|
||||
|
|
@ -1466,10 +1499,7 @@ enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer)
|
|||
++ outgoingCommand -> sendAttempts;
|
||||
|
||||
if (outgoingCommand -> roundTripTimeout == 0)
|
||||
{
|
||||
outgoingCommand -> roundTripTimeout = peer -> roundTripTime + 4 * peer -> roundTripTimeVariance;
|
||||
outgoingCommand -> roundTripTimeoutLimit = peer -> timeoutLimit * outgoingCommand -> roundTripTimeout;
|
||||
}
|
||||
|
||||
if (enet_list_empty (& peer -> sentReliableCommands))
|
||||
peer -> nextTimeout = host -> serviceTime + outgoingCommand -> roundTripTimeout;
|
||||
|
|
@ -1522,7 +1552,7 @@ enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer)
|
|||
enet_list_remove (& outgoingCommand -> outgoingCommandList);
|
||||
|
||||
if (outgoingCommand -> packet != NULL)
|
||||
enet_list_insert (enet_list_end (& peer -> sentUnreliableCommands), outgoingCommand);
|
||||
enet_list_insert (enet_list_end (sentUnreliableCommands), outgoingCommand);
|
||||
}
|
||||
|
||||
buffer -> data = command;
|
||||
|
|
@ -1555,9 +1585,8 @@ enet_protocol_check_outgoing_commands (ENetHost * host, ENetPeer * peer)
|
|||
host -> bufferCount = buffer - host -> buffers;
|
||||
|
||||
if (peer -> state == ENET_PEER_STATE_DISCONNECT_LATER &&
|
||||
enet_list_empty (& peer -> outgoingCommands) &&
|
||||
enet_list_empty (& peer -> sentReliableCommands) &&
|
||||
enet_list_empty (& peer -> sentUnreliableCommands))
|
||||
! enet_peer_has_outgoing_commands (peer) &&
|
||||
enet_list_empty (sentUnreliableCommands))
|
||||
enet_peer_disconnect (peer, peer -> eventData);
|
||||
|
||||
return canPing;
|
||||
|
|
@ -1568,22 +1597,24 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
|
|||
{
|
||||
enet_uint8 headerData [sizeof (ENetProtocolHeader) + sizeof (enet_uint32)];
|
||||
ENetProtocolHeader * header = (ENetProtocolHeader *) headerData;
|
||||
ENetPeer * currentPeer;
|
||||
int sentLength;
|
||||
int sentLength = 0;
|
||||
size_t shouldCompress = 0;
|
||||
ENetList sentUnreliableCommands;
|
||||
|
||||
host -> continueSending = 1;
|
||||
enet_list_clear (& sentUnreliableCommands);
|
||||
|
||||
while (host -> continueSending)
|
||||
for (host -> continueSending = 0,
|
||||
currentPeer = host -> peers;
|
||||
for (int sendPass = 0, continueSending = 0; sendPass <= continueSending; ++ sendPass)
|
||||
for (ENetPeer * currentPeer = host -> peers;
|
||||
currentPeer < & host -> peers [host -> peerCount];
|
||||
++ currentPeer)
|
||||
{
|
||||
if (currentPeer -> state == ENET_PEER_STATE_DISCONNECTED ||
|
||||
currentPeer -> state == ENET_PEER_STATE_ZOMBIE)
|
||||
currentPeer -> state == ENET_PEER_STATE_ZOMBIE ||
|
||||
(sendPass > 0 && ! (currentPeer -> flags & ENET_PEER_FLAG_CONTINUE_SENDING)))
|
||||
continue;
|
||||
|
||||
currentPeer -> flags &= ~ ENET_PEER_FLAG_CONTINUE_SENDING;
|
||||
|
||||
host -> headerFlags = 0;
|
||||
host -> commandCount = 0;
|
||||
host -> bufferCount = 1;
|
||||
|
|
@ -1600,21 +1631,22 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
|
|||
if (event != NULL && event -> type != ENET_EVENT_TYPE_NONE)
|
||||
return 1;
|
||||
else
|
||||
continue;
|
||||
goto nextPeer;
|
||||
}
|
||||
|
||||
if ((enet_list_empty (& currentPeer -> outgoingCommands) ||
|
||||
enet_protocol_check_outgoing_commands (host, currentPeer)) &&
|
||||
if (((enet_list_empty (& currentPeer -> outgoingCommands) &&
|
||||
enet_list_empty (& currentPeer -> outgoingSendReliableCommands)) ||
|
||||
enet_protocol_check_outgoing_commands (host, currentPeer, & sentUnreliableCommands)) &&
|
||||
enet_list_empty (& currentPeer -> sentReliableCommands) &&
|
||||
ENET_TIME_DIFFERENCE (host -> serviceTime, currentPeer -> lastReceiveTime) >= currentPeer -> pingInterval &&
|
||||
currentPeer -> mtu - host -> packetSize >= sizeof (ENetProtocolPing))
|
||||
{
|
||||
enet_peer_ping (currentPeer);
|
||||
enet_protocol_check_outgoing_commands (host, currentPeer);
|
||||
enet_protocol_check_outgoing_commands (host, currentPeer, & sentUnreliableCommands);
|
||||
}
|
||||
|
||||
if (host -> commandCount == 0)
|
||||
continue;
|
||||
goto nextPeer;
|
||||
|
||||
if (currentPeer -> packetLossEpoch == 0)
|
||||
currentPeer -> packetLossEpoch = host -> serviceTime;
|
||||
|
|
@ -1625,7 +1657,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
|
|||
enet_uint32 packetLoss = currentPeer -> packetsLost * ENET_PEER_PACKET_LOSS_SCALE / currentPeer -> packetsSent;
|
||||
|
||||
#ifdef ENET_DEBUG
|
||||
printf ("peer %u: %f%%+-%f%% packet loss, %u+-%u ms round trip time, %f%% throttle, %u outgoing, %u/%u incoming\n", currentPeer -> incomingPeerID, currentPeer -> packetLoss / (float) ENET_PEER_PACKET_LOSS_SCALE, currentPeer -> packetLossVariance / (float) ENET_PEER_PACKET_LOSS_SCALE, currentPeer -> roundTripTime, currentPeer -> roundTripTimeVariance, currentPeer -> packetThrottle / (float) ENET_PEER_PACKET_THROTTLE_SCALE, enet_list_size (& currentPeer -> outgoingCommands), currentPeer -> channels != NULL ? enet_list_size (& currentPeer -> channels -> incomingReliableCommands) : 0, currentPeer -> channels != NULL ? enet_list_size (& currentPeer -> channels -> incomingUnreliableCommands) : 0);
|
||||
printf ("peer %u: %f%%+-%f%% packet loss, %u+-%u ms round trip time, %f%% throttle, %u outgoing, %u/%u incoming\n", currentPeer -> incomingPeerID, currentPeer -> packetLoss / (float) ENET_PEER_PACKET_LOSS_SCALE, currentPeer -> packetLossVariance / (float) ENET_PEER_PACKET_LOSS_SCALE, currentPeer -> roundTripTime, currentPeer -> roundTripTimeVariance, currentPeer -> packetThrottle / (float) ENET_PEER_PACKET_THROTTLE_SCALE, enet_list_size (& currentPeer -> outgoingCommands) + enet_list_size (& currentPeer -> outgoingSendReliableCommands), currentPeer -> channels != NULL ? enet_list_size (& currentPeer -> channels -> incomingReliableCommands) : 0, currentPeer -> channels != NULL ? enet_list_size (& currentPeer -> channels -> incomingUnreliableCommands) : 0);
|
||||
#endif
|
||||
|
||||
currentPeer -> packetLossVariance = (currentPeer -> packetLossVariance * 3 + ENET_DIFFERENCE (packetLoss, currentPeer -> packetLoss)) / 4;
|
||||
|
|
@ -1687,13 +1719,17 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
|
|||
|
||||
sentLength = enet_socket_send (host -> socket, & currentPeer -> address, host -> buffers, host -> bufferCount);
|
||||
|
||||
enet_protocol_remove_sent_unreliable_commands (currentPeer);
|
||||
enet_protocol_remove_sent_unreliable_commands (currentPeer, & sentUnreliableCommands);
|
||||
|
||||
if (sentLength < 0)
|
||||
return -1;
|
||||
|
||||
host -> totalSentData += sentLength;
|
||||
host -> totalSentPackets ++;
|
||||
|
||||
nextPeer:
|
||||
if (currentPeer -> flags & ENET_PEER_FLAG_CONTINUE_SENDING)
|
||||
continueSending = sendPass + 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in New Issue