77 changes: 35 additions & 42 deletions Externals/enet/packet.c
Expand Up @@ -98,53 +98,46 @@ enet_packet_resize (ENetPacket * packet, size_t dataLength)
return 0;
}

static int initializedCRC32 = 0;
static enet_uint32 crcTable [256];

static enet_uint32
reflect_crc (int val, int bits)
static const enet_uint32 crcTable [256] =
{
int result = 0, bit;

for (bit = 0; bit < bits; bit ++)
{
if(val & 1) result |= 1 << (bits - 1 - bit);
val >>= 1;
}

return result;
}

static void
initialize_crc32 (void)
{
int byte;

for (byte = 0; byte < 256; ++ byte)
{
enet_uint32 crc = reflect_crc (byte, 8) << 24;
int offset;
0, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x5005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0xBDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};

for(offset = 0; offset < 8; ++ offset)
{
if (crc & 0x80000000)
crc = (crc << 1) ^ 0x04c11db7;
else
crc <<= 1;
}

crcTable [byte] = reflect_crc (crc, 32);
}

initializedCRC32 = 1;
}

enet_uint32
enet_crc32 (const ENetBuffer * buffers, size_t bufferCount)
{
enet_uint32 crc = 0xFFFFFFFF;

if (! initializedCRC32) initialize_crc32 ();

while (bufferCount -- > 0)
{
Expand All @@ -153,7 +146,7 @@ enet_crc32 (const ENetBuffer * buffers, size_t bufferCount)

while (data < dataEnd)
{
crc = (crc >> 8) ^ crcTable [(crc & 0xFF) ^ *data++];
crc = (crc >> 8) ^ crcTable [(crc & 0xFF) ^ *data++];
}

++ buffers;
Expand Down
131 changes: 77 additions & 54 deletions Externals/enet/peer.c
Expand Up @@ -66,7 +66,7 @@ enet_peer_throttle (ENetPeer * peer, enet_uint32 rtt)
peer -> packetThrottle = peer -> packetThrottleLimit;
}
else
if (rtt < peer -> lastRoundTripTime)
if (rtt <= peer -> lastRoundTripTime)
{
peer -> packetThrottle += peer -> packetThrottleAcceleration;

Expand All @@ -90,6 +90,13 @@ enet_peer_throttle (ENetPeer * peer, enet_uint32 rtt)
}

/** Queues a packet to be sent.
On success, ENet will assume ownership of the packet, and so enet_packet_destroy
should not be called on it thereafter. On failure, the caller still must destroy
the packet on its own as ENet has not queued the packet. The caller can also
check the packet's referenceCount field after sending to check if ENet queued
the packet and thus incremented the referenceCount.
@param peer destination for the packet
@param channelID channel on which to send
@param packet packet to send
Expand All @@ -99,7 +106,7 @@ enet_peer_throttle (ENetPeer * peer, enet_uint32 rtt)
int
enet_peer_send (ENetPeer * peer, enet_uint8 channelID, ENetPacket * packet)
{
ENetChannel * channel = & peer -> channels [channelID];
ENetChannel * channel;
ENetProtocol command;
size_t fragmentLength;

Expand All @@ -108,6 +115,7 @@ enet_peer_send (ENetPeer * peer, enet_uint8 channelID, ENetPacket * packet)
packet -> dataLength > peer -> host -> maximumPacketSize)
return -1;

channel = & peer -> channels [channelID];
fragmentLength = peer -> mtu - sizeof (ENetProtocolHeader) - sizeof (ENetProtocolSendFragment);
if (peer -> host -> checksum != NULL)
fragmentLength -= sizeof(enet_uint32);
Expand Down Expand Up @@ -268,7 +276,7 @@ enet_peer_reset_outgoing_commands (ENetList * queue)
}

static void
enet_peer_remove_incoming_commands (ENetList * queue, ENetListIterator startCommand, ENetListIterator endCommand)
enet_peer_remove_incoming_commands (ENetList * queue, ENetListIterator startCommand, ENetListIterator endCommand, ENetIncomingCommand * excludeCommand)
{
ENetListIterator currentCommand;

Expand All @@ -278,6 +286,9 @@ enet_peer_remove_incoming_commands (ENetList * queue, ENetListIterator startComm

currentCommand = enet_list_next (currentCommand);

if (incomingCommand == excludeCommand)
continue;

enet_list_remove (& incomingCommand -> incomingCommandList);

if (incomingCommand -> packet != NULL)
Expand All @@ -298,28 +309,27 @@ enet_peer_remove_incoming_commands (ENetList * queue, ENetListIterator startComm
static void
enet_peer_reset_incoming_commands (ENetList * queue)
{
enet_peer_remove_incoming_commands(queue, enet_list_begin (queue), enet_list_end (queue));
enet_peer_remove_incoming_commands(queue, enet_list_begin (queue), enet_list_end (queue), NULL);
}

void
enet_peer_reset_queues (ENetPeer * peer)
{
ENetChannel * channel;

if (peer -> needsDispatch)
if (peer -> flags & ENET_PEER_FLAG_NEEDS_DISPATCH)
{
enet_list_remove (& peer -> dispatchList);

peer -> needsDispatch = 0;
peer -> flags &= ~ ENET_PEER_FLAG_NEEDS_DISPATCH;
}

while (! enet_list_empty (& peer -> acknowledgements))
enet_free (enet_list_remove (enet_list_begin (& peer -> acknowledgements)));

enet_peer_reset_outgoing_commands (& peer -> sentReliableCommands);
enet_peer_reset_outgoing_commands (& peer -> sentUnreliableCommands);
enet_peer_reset_outgoing_commands (& peer -> outgoingReliableCommands);
enet_peer_reset_outgoing_commands (& peer -> outgoingUnreliableCommands);
enet_peer_reset_outgoing_commands (& peer -> outgoingCommands);
enet_peer_reset_outgoing_commands (& peer -> outgoingSendReliableCommands);
enet_peer_reset_incoming_commands (& peer -> dispatchedCommands);

if (peer -> channels != NULL && peer -> channelCount > 0)
Expand Down Expand Up @@ -418,6 +428,7 @@ enet_peer_reset (ENetPeer * peer)
peer -> outgoingUnsequencedGroup = 0;
peer -> eventData = 0;
peer -> totalWaitingData = 0;
peer -> flags = 0;

memset (peer -> unsequencedWindow, 0, sizeof (peer -> unsequencedWindow));

Expand Down Expand Up @@ -560,6 +571,17 @@ enet_peer_disconnect (ENetPeer * peer, enet_uint32 data)
}
}

int
enet_peer_has_outgoing_commands (ENetPeer * peer)
{
if (enet_list_empty (& peer -> outgoingCommands) &&
enet_list_empty (& peer -> outgoingSendReliableCommands) &&
enet_list_empty (& peer -> sentReliableCommands))
return 0;

return 1;
}

/** Request a disconnection from a peer, but only after all queued outgoing packets are sent.
@param peer peer to request a disconnection
@param data data describing the disconnection
Expand All @@ -570,9 +592,7 @@ void
enet_peer_disconnect_later (ENetPeer * peer, enet_uint32 data)
{
if ((peer -> state == ENET_PEER_STATE_CONNECTED || peer -> state == ENET_PEER_STATE_DISCONNECT_LATER) &&
! (enet_list_empty (& peer -> outgoingReliableCommands) &&
enet_list_empty (& peer -> outgoingUnreliableCommands) &&
enet_list_empty (& peer -> sentReliableCommands)))
enet_peer_has_outgoing_commands (peer))
{
peer -> state = ENET_PEER_STATE_DISCONNECT_LATER;
peer -> eventData = data;
Expand Down Expand Up @@ -616,8 +636,6 @@ enet_peer_queue_acknowledgement (ENetPeer * peer, const ENetProtocol * command,
void
enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoingCommand)
{
ENetChannel * channel = & peer -> channels [outgoingCommand -> command.header.channelID];

peer -> outgoingDataTotal += enet_protocol_command_size (outgoingCommand -> command.header.command) + outgoingCommand -> fragmentLength;

if (outgoingCommand -> command.header.channelID == 0xFF)
Expand All @@ -628,36 +646,40 @@ enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoin
outgoingCommand -> unreliableSequenceNumber = 0;
}
else
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
{
++ channel -> outgoingReliableSequenceNumber;
channel -> outgoingUnreliableSequenceNumber = 0;
ENetChannel * channel = & peer -> channels [outgoingCommand -> command.header.channelID];

outgoingCommand -> reliableSequenceNumber = channel -> outgoingReliableSequenceNumber;
outgoingCommand -> unreliableSequenceNumber = 0;
}
else
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED)
{
++ peer -> outgoingUnsequencedGroup;
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
{
++ channel -> outgoingReliableSequenceNumber;
channel -> outgoingUnreliableSequenceNumber = 0;

outgoingCommand -> reliableSequenceNumber = 0;
outgoingCommand -> unreliableSequenceNumber = 0;
}
else
{
if (outgoingCommand -> fragmentOffset == 0)
++ channel -> outgoingUnreliableSequenceNumber;

outgoingCommand -> reliableSequenceNumber = channel -> outgoingReliableSequenceNumber;
outgoingCommand -> unreliableSequenceNumber = channel -> outgoingUnreliableSequenceNumber;
outgoingCommand -> reliableSequenceNumber = channel -> outgoingReliableSequenceNumber;
outgoingCommand -> unreliableSequenceNumber = 0;
}
else
if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED)
{
++ peer -> outgoingUnsequencedGroup;

outgoingCommand -> reliableSequenceNumber = 0;
outgoingCommand -> unreliableSequenceNumber = 0;
}
else
{
if (outgoingCommand -> fragmentOffset == 0)
++ channel -> outgoingUnreliableSequenceNumber;

outgoingCommand -> reliableSequenceNumber = channel -> outgoingReliableSequenceNumber;
outgoingCommand -> unreliableSequenceNumber = channel -> outgoingUnreliableSequenceNumber;
}
}

outgoingCommand -> sendAttempts = 0;
outgoingCommand -> sentTime = 0;
outgoingCommand -> roundTripTimeout = 0;
outgoingCommand -> roundTripTimeoutLimit = 0;
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)
{
Expand All @@ -668,15 +690,16 @@ enet_peer_setup_outgoing_command (ENetPeer * peer, ENetOutgoingCommand * outgoin
case ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED:
outgoingCommand -> command.sendUnsequenced.unsequencedGroup = ENET_HOST_TO_NET_16 (peer -> outgoingUnsequencedGroup);
break;

default:
break;
}

if (outgoingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE)
enet_list_insert (enet_list_end (& peer -> outgoingReliableCommands), outgoingCommand);
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 -> outgoingUnreliableCommands), outgoingCommand);
enet_list_insert (enet_list_end (& peer -> outgoingCommands), outgoingCommand);
}

ENetOutgoingCommand *
Expand All @@ -699,7 +722,7 @@ enet_peer_queue_outgoing_command (ENetPeer * peer, const ENetProtocol * command,
}

void
enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel * channel)
enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel * channel, ENetIncomingCommand * queuedCommand)
{
ENetListIterator droppedCommand, startCommand, currentCommand;

Expand All @@ -724,11 +747,11 @@ enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel *
{
enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

if (! peer -> needsDispatch)
if (! (peer -> flags & ENET_PEER_FLAG_NEEDS_DISPATCH))
{
enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

peer -> needsDispatch = 1;
peer -> flags |= ENET_PEER_FLAG_NEEDS_DISPATCH;
}

droppedCommand = currentCommand;
Expand All @@ -752,11 +775,11 @@ enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel *
{
enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

if (! peer -> needsDispatch)
if (! (peer -> flags & ENET_PEER_FLAG_NEEDS_DISPATCH))
{
enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

peer -> needsDispatch = 1;
peer -> flags |= ENET_PEER_FLAG_NEEDS_DISPATCH;
}
}
}
Expand All @@ -768,21 +791,21 @@ enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel *
{
enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

if (! peer -> needsDispatch)
if (! (peer -> flags & ENET_PEER_FLAG_NEEDS_DISPATCH))
{
enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

peer -> needsDispatch = 1;
peer -> flags |= ENET_PEER_FLAG_NEEDS_DISPATCH;
}

droppedCommand = currentCommand;
}

enet_peer_remove_incoming_commands (& channel -> incomingUnreliableCommands, enet_list_begin (& channel -> incomingUnreliableCommands), droppedCommand);
enet_peer_remove_incoming_commands (& channel -> incomingUnreliableCommands, enet_list_begin (& channel -> incomingUnreliableCommands), droppedCommand, queuedCommand);
}

void
enet_peer_dispatch_incoming_reliable_commands (ENetPeer * peer, ENetChannel * channel)
enet_peer_dispatch_incoming_reliable_commands (ENetPeer * peer, ENetChannel * channel, ENetIncomingCommand * queuedCommand)
{
ENetListIterator currentCommand;

Expand All @@ -809,15 +832,15 @@ enet_peer_dispatch_incoming_reliable_commands (ENetPeer * peer, ENetChannel * ch

enet_list_move (enet_list_end (& peer -> dispatchedCommands), enet_list_begin (& channel -> incomingReliableCommands), enet_list_previous (currentCommand));

if (! peer -> needsDispatch)
if (! (peer -> flags & ENET_PEER_FLAG_NEEDS_DISPATCH))
{
enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

peer -> needsDispatch = 1;
peer -> flags |= ENET_PEER_FLAG_NEEDS_DISPATCH;
}

if (! enet_list_empty (& channel -> incomingUnreliableCommands))
enet_peer_dispatch_incoming_unreliable_commands (peer, channel);
enet_peer_dispatch_incoming_unreliable_commands (peer, channel, queuedCommand);
}

ENetIncomingCommand *
Expand Down Expand Up @@ -975,11 +998,11 @@ enet_peer_queue_incoming_command (ENetPeer * peer, const ENetProtocol * command,
{
case ENET_PROTOCOL_COMMAND_SEND_FRAGMENT:
case ENET_PROTOCOL_COMMAND_SEND_RELIABLE:
enet_peer_dispatch_incoming_reliable_commands (peer, channel);
enet_peer_dispatch_incoming_reliable_commands (peer, channel, incomingCommand);
break;

default:
enet_peer_dispatch_incoming_unreliable_commands (peer, channel);
enet_peer_dispatch_incoming_unreliable_commands (peer, channel, incomingCommand);
break;
}

Expand Down
479 changes: 238 additions & 241 deletions Externals/enet/protocol.c

Large diffs are not rendered by default.

42 changes: 28 additions & 14 deletions Externals/enet/unix.c
Expand Up @@ -8,7 +8,6 @@
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include <unistd.h>
Expand Down Expand Up @@ -51,10 +50,10 @@
#endif

#ifdef HAS_POLL
#include <sys/poll.h>
#include <poll.h>
#endif

#ifndef HAS_SOCKLEN_T
#if !defined(HAS_SOCKLEN_T) && !defined(__socklen_t_defined)
typedef int socklen_t;
#endif

Expand Down Expand Up @@ -101,6 +100,19 @@ enet_time_set (enet_uint32 newTimeBase)
timeBase = timeVal.tv_sec * 1000 + timeVal.tv_usec / 1000 - newTimeBase;
}

int
enet_address_set_host_ip (ENetAddress * address, const char * name)
{
#ifdef HAS_INET_PTON
if (! inet_pton (AF_INET, name, & address -> host))
#else
if (! inet_aton (name, (struct in_addr *) & address -> host))
#endif
return -1;

return 0;
}

int
enet_address_set_host (ENetAddress * address, const char * name)
{
Expand Down Expand Up @@ -136,7 +148,7 @@ enet_address_set_host (ENetAddress * address, const char * name)
char buffer [2048];
int errnum;

#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__GNU__)
gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
#else
hostEntry = gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & errnum);
Expand All @@ -153,14 +165,7 @@ enet_address_set_host (ENetAddress * address, const char * name)
}
#endif

#ifdef HAS_INET_PTON
if (! inet_pton (AF_INET, name, & address -> host))
#else
if (! inet_aton (name, (struct in_addr *) & address -> host))
#endif
return -1;

return 0;
return enet_address_set_host_ip (address, name);
}

int
Expand Down Expand Up @@ -204,7 +209,7 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng
return 0;
}
if (err != EAI_NONAME)
return 0;
return -1;
#else
struct in_addr in;
struct hostent * hostEntry = NULL;
Expand All @@ -215,7 +220,7 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng

in.s_addr = address -> host;

#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__GNU__)
gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
#else
hostEntry = gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & errnum);
Expand Down Expand Up @@ -343,6 +348,10 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
result = setsockopt (socket, IPPROTO_TCP, TCP_NODELAY, (char *) & value, sizeof (int));
break;

case ENET_SOCKOPT_TTL:
result = setsockopt (socket, IPPROTO_IP, IP_TTL, (char *) & value, sizeof (int));
break;

default:
break;
}
Expand All @@ -361,6 +370,11 @@ enet_socket_get_option (ENetSocket socket, ENetSocketOption option, int * value)
result = getsockopt (socket, SOL_SOCKET, SO_ERROR, value, & len);
break;

case ENET_SOCKOPT_TTL:
len = sizeof (int);
result = getsockopt (socket, IPPROTO_IP, IP_TTL, (char *) value, & len);
break;

default:
break;
}
Expand Down
48 changes: 39 additions & 9 deletions Externals/enet/win32.c
Expand Up @@ -8,6 +8,7 @@
#include "enet/enet.h"
#include <windows.h>
#include <mmsystem.h>
#include <ws2ipdef.h>

static enet_uint32 timeBase = 0;

Expand Down Expand Up @@ -59,6 +60,32 @@ enet_time_set (enet_uint32 newTimeBase)
timeBase = (enet_uint32) timeGetTime () - newTimeBase;
}

int
enet_address_set_host_ip (ENetAddress * address, const char * name)
{
enet_uint8 vals [4] = { 0, 0, 0, 0 };
int i;

for (i = 0; i < 4; ++ i)
{
const char * next = name + 1;
if (* name != '0')
{
long val = strtol (name, (char **) & next, 10);
if (val < 0 || val > 255 || next == name || next - name > 3)
return -1;
vals [i] = (enet_uint8) val;
}

if (* next != (i < 3 ? '.' : '\0'))
return -1;
name = next + 1;
}

memcpy (& address -> host, vals, sizeof (enet_uint32));
return 0;
}

int
enet_address_set_host (ENetAddress * address, const char * name)
{
Expand All @@ -67,13 +94,7 @@ enet_address_set_host (ENetAddress * address, const char * name)
hostEntry = gethostbyname (name);
if (hostEntry == NULL ||
hostEntry -> h_addrtype != AF_INET)
{
unsigned long host = inet_addr (name);
if (host == INADDR_NONE)
return -1;
address -> host = host;
return 0;
}
return enet_address_set_host_ip (address, name);

address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];

Expand Down Expand Up @@ -211,6 +232,10 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
result = setsockopt (socket, IPPROTO_TCP, TCP_NODELAY, (char *) & value, sizeof (int));
break;

case ENET_SOCKOPT_TTL:
result = setsockopt (socket, IPPROTO_IP, IP_TTL, (char *) & value, sizeof (int));
break;

default:
break;
}
Expand All @@ -228,6 +253,11 @@ enet_socket_get_option (ENetSocket socket, ENetSocketOption option, int * value)
result = getsockopt (socket, SOL_SOCKET, SO_ERROR, (char *) value, & len);
break;

case ENET_SOCKOPT_TTL:
len = sizeof(int);
result = getsockopt (socket, IPPROTO_IP, IP_TTL, (char *) value, & len);
break;

default:
break;
}
Expand Down Expand Up @@ -296,7 +326,7 @@ enet_socket_send (ENetSocket socket,
size_t bufferCount)
{
struct sockaddr_in sin;
DWORD sentLength;
DWORD sentLength = 0;

if (address != NULL)
{
Expand Down Expand Up @@ -334,7 +364,7 @@ enet_socket_receive (ENetSocket socket,
{
INT sinLength = sizeof (struct sockaddr_in);
DWORD flags = 0,
recvLength;
recvLength = 0;
struct sockaddr_in sin;

if (WSARecvFrom (socket,
Expand Down
1 change: 1 addition & 0 deletions Source/Core/Common/TraversalClient.cpp
Expand Up @@ -333,6 +333,7 @@ bool EnsureTraversalClient(const std::string& server, u16 server_port, u16 liste
g_MainNetHost.reset();
return false;
}
host->mtu = std::min(host->mtu, NetPlay::MAX_ENET_MTU);
g_MainNetHost.reset(host);
g_TraversalClient.reset(new TraversalClient(g_MainNetHost.get(), server, server_port));
}
Expand Down
2 changes: 2 additions & 0 deletions Source/Core/Core/NetPlayClient.cpp
Expand Up @@ -144,6 +144,8 @@ NetPlayClient::NetPlayClient(const std::string& address, const u16 port, NetPlay
return;
}

m_client->mtu = std::min(m_client->mtu, NetPlay::MAX_ENET_MTU);

ENetAddress addr;
enet_address_set_host(&addr, address.c_str());
addr.port = port;
Expand Down
1 change: 1 addition & 0 deletions Source/Core/Core/NetPlayProto.h
Expand Up @@ -220,6 +220,7 @@ enum class SyncCodeID : u8

constexpr u32 MAX_NAME_LENGTH = 30;
constexpr size_t CHUNKED_DATA_UNIT_SIZE = 16384;
constexpr u32 MAX_ENET_MTU = 1392; // see https://github.com/lsalzman/enet/issues/132

enum : u8
{
Expand Down
3 changes: 3 additions & 0 deletions Source/Core/Core/NetPlayServer.cpp
Expand Up @@ -151,7 +151,10 @@ NetPlayServer::NetPlayServer(const u16 port, const bool forward_port, NetPlayUI*
serverAddr.port = port;
m_server = enet_host_create(&serverAddr, 10, CHANNEL_COUNT, 0, 0);
if (m_server != nullptr)
{
m_server->mtu = std::min(m_server->mtu, NetPlay::MAX_ENET_MTU);
m_server->intercept = ENetUtil::InterceptCallback;
}

SetupIndex();
}
Expand Down