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authoreihrul <eihrul>2007-09-01 02:42:31 +0000
committereihrul <eihrul>2007-09-01 02:42:31 +0000
commit506095210430f4581ff5027f70d395530686b85b (patch)
treef9a73aa70657afacf3406214f553538673713fc6 /protocol.c
parent57bb5e87bcc41400b49ec645ce8eb4b00f2c2c34 (diff)
downloadenet-506095210430f4581ff5027f70d395530686b85b.tar.gz
enet-506095210430f4581ff5027f70d395530686b85b.zip
*** empty log message ***
Diffstat (limited to 'protocol.c')
-rw-r--r--protocol.c83
1 files changed, 51 insertions, 32 deletions
diff --git a/protocol.c b/protocol.c
index b8930c2..03c9d3a 100644
--- a/protocol.c
+++ b/protocol.c
@@ -9,8 +9,6 @@
#include "enet/time.h"
#include "enet/enet.h"
-static enet_uint32 timeCurrent;
-
static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
{
0,
@@ -605,17 +603,17 @@ enet_protocol_handle_acknowledge (ENetHost * host, ENetEvent * event, ENetPeer *
ENetProtocolCommand commandNumber;
receivedSentTime = ENET_NET_TO_HOST_16 (command -> acknowledge.receivedSentTime);
- receivedSentTime |= timeCurrent & 0xFFFF0000;
- if ((receivedSentTime & 0x8000) > (timeCurrent & 0x8000))
+ receivedSentTime |= host -> serviceTime & 0xFFFF0000;
+ if ((receivedSentTime & 0x8000) > (host -> serviceTime & 0x8000))
receivedSentTime -= 0x10000;
- if (ENET_TIME_LESS (timeCurrent, receivedSentTime))
+ if (ENET_TIME_LESS (host -> serviceTime, receivedSentTime))
return 0;
- peer -> lastReceiveTime = timeCurrent;
+ peer -> lastReceiveTime = host -> serviceTime;
peer -> earliestTimeout = 0;
- roundTripTime = ENET_TIME_DIFFERENCE (timeCurrent, receivedSentTime);
+ roundTripTime = ENET_TIME_DIFFERENCE (host -> serviceTime, receivedSentTime);
enet_peer_throttle (peer, roundTripTime);
@@ -639,13 +637,13 @@ enet_protocol_handle_acknowledge (ENetHost * host, ENetEvent * event, ENetPeer *
peer -> highestRoundTripTimeVariance = peer -> roundTripTimeVariance;
if (peer -> packetThrottleEpoch == 0 ||
- ENET_TIME_DIFFERENCE(timeCurrent, peer -> packetThrottleEpoch) >= peer -> packetThrottleInterval)
+ ENET_TIME_DIFFERENCE (host -> serviceTime, peer -> packetThrottleEpoch) >= peer -> packetThrottleInterval)
{
peer -> lastRoundTripTime = peer -> lowestRoundTripTime;
peer -> lastRoundTripTimeVariance = peer -> highestRoundTripTimeVariance;
peer -> lowestRoundTripTime = peer -> roundTripTime;
peer -> highestRoundTripTimeVariance = peer -> roundTripTimeVariance;
- peer -> packetThrottleEpoch = timeCurrent;
+ peer -> packetThrottleEpoch = host -> serviceTime;
}
receivedReliableSequenceNumber = ENET_NET_TO_HOST_16 (command -> acknowledge.receivedReliableSequenceNumber);
@@ -1102,17 +1100,17 @@ enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * even
currentCommand = enet_list_next (currentCommand);
- if (ENET_TIME_DIFFERENCE (timeCurrent, outgoingCommand -> sentTime) < outgoingCommand -> roundTripTimeout)
+ if (ENET_TIME_DIFFERENCE (host -> serviceTime, outgoingCommand -> sentTime) < outgoingCommand -> roundTripTimeout)
continue;
- if(peer -> earliestTimeout == 0 ||
- ENET_TIME_LESS(outgoingCommand -> sentTime, peer -> earliestTimeout))
- peer -> earliestTimeout = outgoingCommand -> sentTime;
+ if (peer -> earliestTimeout == 0 ||
+ ENET_TIME_LESS (outgoingCommand -> sentTime, peer -> earliestTimeout))
+ peer -> earliestTimeout = outgoingCommand -> sentTime;
if (peer -> earliestTimeout != 0 &&
- (ENET_TIME_DIFFERENCE(timeCurrent, peer -> earliestTimeout) >= ENET_PEER_TIMEOUT_MAXIMUM ||
+ (ENET_TIME_DIFFERENCE (host -> serviceTime, peer -> earliestTimeout) >= ENET_PEER_TIMEOUT_MAXIMUM ||
(outgoingCommand -> roundTripTimeout >= outgoingCommand -> roundTripTimeoutLimit &&
- ENET_TIME_DIFFERENCE(timeCurrent, peer -> earliestTimeout) >= ENET_PEER_TIMEOUT_MINIMUM)))
+ ENET_TIME_DIFFERENCE (host -> serviceTime, peer -> earliestTimeout) >= ENET_PEER_TIMEOUT_MINIMUM)))
{
enet_protocol_notify_disconnect (host, peer, event);
@@ -1189,12 +1187,12 @@ enet_protocol_send_reliable_outgoing_commands (ENetHost * host, ENetPeer * peer)
}
if (enet_list_empty (& peer -> sentReliableCommands))
- peer -> nextTimeout = timeCurrent + outgoingCommand -> roundTripTimeout;
+ peer -> nextTimeout = host -> serviceTime + outgoingCommand -> roundTripTimeout;
enet_list_insert (enet_list_end (& peer -> sentReliableCommands),
enet_list_remove (& outgoingCommand -> outgoingCommandList));
- outgoingCommand -> sentTime = timeCurrent;
+ outgoingCommand -> sentTime = host -> serviceTime;
buffer -> data = command;
buffer -> dataLength = commandSize;
@@ -1255,7 +1253,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
if (checkForTimeouts != 0 &&
! enet_list_empty (& currentPeer -> sentReliableCommands) &&
- ENET_TIME_GREATER_EQUAL (timeCurrent, currentPeer -> nextTimeout) &&
+ ENET_TIME_GREATER_EQUAL (host -> serviceTime, currentPeer -> nextTimeout) &&
enet_protocol_check_timeouts (host, currentPeer, event) == 1)
return 1;
@@ -1263,7 +1261,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
enet_protocol_send_reliable_outgoing_commands (host, currentPeer);
else
if (enet_list_empty (& currentPeer -> sentReliableCommands) &&
- ENET_TIME_DIFFERENCE (timeCurrent, currentPeer -> lastReceiveTime) >= ENET_PEER_PING_INTERVAL &&
+ ENET_TIME_DIFFERENCE (host -> serviceTime, currentPeer -> lastReceiveTime) >= ENET_PEER_PING_INTERVAL &&
currentPeer -> mtu - host -> packetSize >= sizeof (ENetProtocolPing))
{
enet_peer_ping (currentPeer);
@@ -1277,9 +1275,9 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
continue;
if (currentPeer -> packetLossEpoch == 0)
- currentPeer -> packetLossEpoch = timeCurrent;
+ currentPeer -> packetLossEpoch = host -> serviceTime;
else
- if (ENET_TIME_DIFFERENCE (timeCurrent, currentPeer -> packetLossEpoch) >= ENET_PEER_PACKET_LOSS_INTERVAL &&
+ if (ENET_TIME_DIFFERENCE (host -> serviceTime, currentPeer -> packetLossEpoch) >= ENET_PEER_PACKET_LOSS_INTERVAL &&
currentPeer -> packetsSent > 0)
{
enet_uint32 packetLoss = currentPeer -> packetsLost * ENET_PEER_PACKET_LOSS_SCALE / currentPeer -> packetsSent;
@@ -1306,7 +1304,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
currentPeer -> packetLossVariance += (currentPeer -> packetLoss - packetLoss) / 4;
}
- currentPeer -> packetLossEpoch = timeCurrent;
+ currentPeer -> packetLossEpoch = host -> serviceTime;
currentPeer -> packetsSent = 0;
currentPeer -> packetsLost = 0;
}
@@ -1317,7 +1315,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
host -> buffers -> data = & header;
if (host -> headerFlags & ENET_PROTOCOL_HEADER_FLAG_SENT_TIME)
{
- header.sentTime = ENET_HOST_TO_NET_16 (timeCurrent & 0xFFFF);
+ header.sentTime = ENET_HOST_TO_NET_16 (host -> serviceTime & 0xFFFF);
host -> buffers -> dataLength = sizeof (ENetProtocolHeader);
}
@@ -1328,7 +1326,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
header.checksum = enet_crc32 (host -> buffers, host -> bufferCount);
#endif
- currentPeer -> lastSendTime = timeCurrent;
+ currentPeer -> lastSendTime = host -> serviceTime;
sentLength = enet_socket_send (host -> socket, & currentPeer -> address, host -> buffers, host -> bufferCount);
@@ -1350,11 +1348,32 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
void
enet_host_flush (ENetHost * host)
{
- timeCurrent = enet_time_get ();
+ host -> serviceTime = enet_time_get ();
enet_protocol_send_outgoing_commands (host, NULL, 0);
}
+/** Checks for any queued events on the host and dispatches one if available.
+
+ @param host host to check for events
+ @param event an event structure where event details will be placed if available
+ @retval > 0 if an event was dispatched
+ @retval 0 if no events are available
+ @retval < 0 on failure
+ @ingroup host
+*/
+int
+enet_host_check_events (ENetHost * host, ENetEvent * event)
+{
+ if (event == NULL) return -1;
+
+ event -> type = ENET_EVENT_TYPE_NONE;
+ event -> peer = NULL;
+ event -> packet = NULL;
+
+ return enet_protocol_dispatch_incoming_commands (host, event);
+}
+
/** Waits for events on the host specified and shuttles packets between
the host and its peers.
@@ -1394,13 +1413,13 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
}
}
- timeCurrent = enet_time_get ();
+ host -> serviceTime = enet_time_get ();
- timeout += timeCurrent;
+ timeout += host -> serviceTime;
do
{
- if (ENET_TIME_DIFFERENCE (timeCurrent, host -> bandwidthThrottleEpoch) >= ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL)
+ if (ENET_TIME_DIFFERENCE (host -> serviceTime, host -> bandwidthThrottleEpoch) >= ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL)
enet_host_bandwidth_throttle (host);
switch (enet_protocol_send_outgoing_commands (host, event, 1))
@@ -1462,17 +1481,17 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
}
}
- timeCurrent = enet_time_get ();
+ host -> serviceTime = enet_time_get ();
- if (ENET_TIME_GREATER_EQUAL (timeCurrent, timeout))
+ if (ENET_TIME_GREATER_EQUAL (host -> serviceTime, timeout))
return 0;
waitCondition = ENET_SOCKET_WAIT_RECEIVE;
- if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, timeCurrent)) != 0)
+ if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
return -1;
- timeCurrent = enet_time_get ();
+ host -> serviceTime = enet_time_get ();
} while (waitCondition == ENET_SOCKET_WAIT_RECEIVE);
return 0;