/** Request a disconnection from a peer.
@param peer peer to request a disconnection
@param data data describing the disconnection
@remarks An ENET_EVENT_DISCONNECT event will be generated by enet_host_service()
once the disconnection is complete.
*/
void
enet_peer_disconnect (ENetPeer * peer, enet_uint32 data)
{
ENetProtocol command;
if (peer -> state == ENET_PEER_STATE_DISCONNECTING ||
peer -> state == ENET_PEER_STATE_DISCONNECTED ||
peer -> state == ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT ||
peer -> state == ENET_PEER_STATE_ZOMBIE)
return;
enet_peer_reset_queues (peer);
command.header.command = ENET_PROTOCOL_COMMAND_DISCONNECT;
command.header.channelID = 0xFF;
command.disconnect.data = ENET_HOST_TO_NET_32 (data);
if (peer -> state == ENET_PEER_STATE_CONNECTED || peer -> state == ENET_PEER_STATE_DISCONNECT_LATER)
command.header.command |= ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE;
else
command.header.command |= ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED;
enet_peer_queue_outgoing_command (peer, & command, NULL, 0, 0);
if (peer -> state == ENET_PEER_STATE_CONNECTED || peer -> state == ENET_PEER_STATE_DISCONNECT_LATER)
{
enet_peer_on_disconnect (peer);
peer -> state = ENET_PEER_STATE_DISCONNECTING;
}
else
{
enet_host_flush (peer -> host);
enet_peer_reset (peer);
}
}
/** Force an immediate disconnection from a peer.
@param peer peer to disconnect
@param data data describing the disconnection
@remarks No ENET_EVENT_DISCONNECT event will be generated. The foreign peer is not
guarenteed to receive the disconnect notification, and is reset immediately upon
return from this function.
*/
void
enet_peer_disconnect_now (ENetPeer * peer, enet_uint32 data)
{
ENetProtocol command;
if (peer -> state == ENET_PEER_STATE_DISCONNECTED)
return;
if (peer -> state != ENET_PEER_STATE_ZOMBIE &&
peer -> state != ENET_PEER_STATE_DISCONNECTING)
{
enet_peer_reset_queues (peer);
command.header.command = ENET_PROTOCOL_COMMAND_DISCONNECT | ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED;
command.header.channelID = 0xFF;
command.disconnect.data = ENET_HOST_TO_NET_32 (data);
enet_peer_queue_outgoing_command (peer, & command, NULL, 0, 0);
enet_host_flush (peer -> host);
}
enet_peer_reset (peer);
}
/** Forcefully disconnects a peer.
@param peer peer to forcefully disconnect
@remarks The foreign host represented by the peer is not notified of the disconnection and will timeout
on its connection to the local host.
*/
void
enet_peer_reset (ENetPeer * peer)
{
if (peer -> ownSocket != ENET_SOCKET_NULL)
{
enet_socket_destroy (peer -> ownSocket);
peer -> ownSocket = ENET_SOCKET_NULL;
}
size_t i;
ENetHost * host = peer -> host;
for (i = 0; i < host -> peerCount - host -> idlePeers; ++ i)
if (host -> busyPeersList [i] == peer -> incomingPeerID)
{
host -> idlePeersList [host -> idlePeers ++] = peer -> incomingPeerID;
host -> busyPeersList [i] = host -> busyPeersList [host -> peerCount - host -> idlePeers];
break;
}
if (peer -> host -> connectingPeerTimeout && peer -> connectingPeers)
{
enet_free(peer -> connectingPeers);
peer -> connectingPeers = NULL;
peer -> host -> connectsWindow -= ENET_PROTOCOL_TOTAL_SESSIONS * (peer -> connectingPeersTimeMask + 1);
}
enet_peer_on_disconnect (peer);
peer -> outgoingPeerID = ENET_PROTOCOL_MAXIMUM_PEER_ID;
peer -> connectID = 0;
peer -> state = ENET_PEER_STATE_DISCONNECTED;
peer -> incomingBandwidth = 0;
peer -> outgoingBandwidth = 0;
peer -> incomingBandwidthThrottleEpoch = 0;
peer -> outgoingBandwidthThrottleEpoch = 0;
peer -> incomingDataTotal = 0;
peer -> outgoingDataTotal = 0;
peer -> lastSendTime = 0;
peer -> lastReceiveTime = 0;
peer -> nextTimeout = 0;
peer -> earliestTimeout = 0;
peer -> packetLossEpoch = 0;
peer -> packetsSent = 0;
peer -> packetsLost = 0;
peer -> packetLoss = 0;
peer -> packetLossVariance = 0;
peer -> packetThrottle = ENET_PEER_DEFAULT_PACKET_THROTTLE;
peer -> packetThrottleLimit = ENET_PEER_PACKET_THROTTLE_SCALE;
peer -> packetThrottleCounter = 0;
peer -> packetThrottleEpoch = 0;
peer -> packetThrottleAcceleration = ENET_PEER_PACKET_THROTTLE_ACCELERATION;
peer -> packetThrottleDeceleration = ENET_PEER_PACKET_THROTTLE_DECELERATION;
peer -> packetThrottleInterval = ENET_PEER_PACKET_THROTTLE_INTERVAL;
peer -> pingInterval = ENET_PEER_PING_INTERVAL;
peer -> timeoutLimit = ENET_PEER_TIMEOUT_LIMIT;
peer -> timeoutMinimum = ENET_PEER_TIMEOUT_MINIMUM;
peer -> timeoutMaximum = ENET_PEER_TIMEOUT_MAXIMUM;
peer -> lastRoundTripTime = ENET_PEER_DEFAULT_ROUND_TRIP_TIME;
peer -> lowestRoundTripTime = ENET_PEER_DEFAULT_ROUND_TRIP_TIME;
peer -> lastRoundTripTimeVariance = 0;
peer -> highestRoundTripTimeVariance = 0;
peer -> roundTripTime = ENET_PEER_DEFAULT_ROUND_TRIP_TIME;
peer -> roundTripTimeVariance = 0;
peer -> mtu = peer -> host -> mtu;
peer -> reliableDataInTransit = 0;
peer -> outgoingReliableSequenceNumber = 0;
peer -> windowSize = ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE;
peer -> incomingUnsequencedGroup = 0;
peer -> outgoingUnsequencedGroup = 0;
peer -> eventData = 0;
peer -> totalWaitingData = 0;
memset (& peer -> localAddress, 0, sizeof (ENetAddress));
memset (peer -> unsequencedWindow, 0, sizeof (peer -> unsequencedWindow));
enet_peer_reset_queues (peer);
}
