int main (int argc, char ** argv)
{
startGameTimer = -1;
if (board == NULL) {
board = new TileBoard();
}
lastHexbankUpdate = enet_time_get();
lastCooldownUpdate = enet_time_get();
lastLocationUpdate = enet_time_get();
server.Initialize(); // Should only be called once at most
server.RegisterHandlers(&HandleConnect, &HandleDisconnect, &HandlePacket, &TimedEvent); // registers the event handlers
server.SetupServer(4000); // Can be called multiple times with different ports... say if you wanted to host multiple games with a single server
server.RunDedicated(); // Run it as a standalone dedicated server (Note: Does not return!)
}
/** Sends any queued packets on the host specified to its designated peers.
@param host host to flush
@remarks this function need only be used in circumstances where one wishes to send queued packets earlier than in a call to enet_host_service().
@ingroup host
*/
void
enet_host_flush (ENetHost * host)
{
timeCurrent = enet_time_get ();
enet_protocol_send_outgoing_commands (host, NULL, 0);
}
void TimedEvent() {
int curTime = enet_time_get();
// if game has not started
if (!board->isStarted()) {
// check to see if more than one player and if all players are ready.
if (board->getPlayerCount() > 1 && board->getReadyPlayers().size() == board->getPlayerCount()) {
if (startGameTimer == -1) {
// start game timer
startGameTimer = curTime;
printf("Game will start in 1 seconds.\n");
}
// check to see if 10 seconds have elapsed and start game.
else if (curTime - startGameTimer >= 1000) {
if (board->startBoard()) {
printf ("GAME HAS STARTED.\n");
Broadcast ("SG\0");
} else
printf ("Error starting game.\n");
}
} else {
if (startGameTimer!=-1)
printf("Start game timer reset.\n");
// reset timer if players not all ready.
startGameTimer = -1;
}
}
// if game has started and not ended
else if (!board->isEnded()) {
// check for a winner
if (board->isWinner()) {
board->endBoard();
printf ("Game ended. Winner is Player %d.\n",board->getWinner()->getId());
Broadcast ("W");
}
else {
if (curTime - lastHexbankUpdate > 5000)
{
board->incHexBank(); // increment player hexbanks every 5 secs
lastHexbankUpdate = curTime;
printf ("Hexbanks incremented.\n");
Broadcast ("TH");
}
if (curTime - lastCooldownUpdate > 125)
{
board->minusCooldown(); // run every tic.
lastCooldownUpdate = curTime;
Broadcast ("TC");
}
if (curTime - lastLocationUpdate > 125)
{
char packet[256];
if (board->updateCharacterLocation(packet)) {
Broadcast(packet);
}
}
}
}
}
u32 CNetServerSession::GetLastReceivedTime() const
{
if (!m_Peer)
return 0;
return enet_time_get() - m_Peer->lastReceiveTime;
}
static void GetRandomishBytes(u8* buf, size_t size)
{
// We don't need high quality random numbers (which might not be available),
// just non-repeating numbers!
srand(enet_time_get());
for (size_t i = 0; i < size; i++)
buf[i] = rand() & 0xff;
}
int currtime()
{
#ifdef SERVER
return enet_time_get();
#else /* CLIENT */
return SDL_GetTicks() - clockrealbase;
#endif
}
void TraversalClient::ResendPacket(OutgoingTraversalPacketInfo* info)
{
info->sendTime = enet_time_get();
info->tries++;
ENetBuffer buf;
buf.data = &info->packet;
buf.dataLength = sizeof(info->packet);
if (enet_socket_send(m_NetHost->socket, &m_ServerAddress, &buf, 1) == -1)
OnFailure(SocketSendError);
}
void TraversalClient::HandlePing()
{
enet_uint32 now = enet_time_get();
if (m_State == Connected && now - m_PingTime >= 500)
{
TraversalPacket ping = {};
ping.type = TraversalPacketPing;
ping.ping.hostId = m_HostId;
SendTraversalPacket(ping);
m_PingTime = now;
}
}
void TraversalClient::HandleResends()
{
enet_uint32 now = enet_time_get();
for (auto& tpi : m_OutgoingTraversalPackets)
{
if (now - tpi.sendTime >= (u32)(300 * tpi.tries))
{
if (tpi.tries >= 5)
{
OnFailure(ResendTimeout);
m_OutgoingTraversalPackets.clear();
break;
}
else
{
ResendPacket(&tpi);
}
}
}
HandlePing();
}
void
enet_host_bandwidth_throttle (ENetHost * host)
{
enet_uint32 timeCurrent = enet_time_get (),
elapsedTime = timeCurrent - host -> bandwidthThrottleEpoch,
peersTotal = 0,
dataTotal = 0,
peersRemaining,
bandwidth,
throttle = 0,
bandwidthLimit = 0;
int needsAdjustment;
ENetPeer * peer;
ENetProtocol command;
if (elapsedTime < ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL)
return;
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
if (peer -> state != ENET_PEER_STATE_CONNECTED)
continue;
++ peersTotal;
dataTotal += peer -> outgoingDataTotal;
}
if (peersTotal == 0)
return;
peersRemaining = peersTotal;
needsAdjustment = 1;
if (host -> outgoingBandwidth == 0)
bandwidth = ~0;
else
bandwidth = (host -> outgoingBandwidth * elapsedTime) / 1000;
while (peersRemaining > 0 && needsAdjustment != 0)
{
needsAdjustment = 0;
if (dataTotal < bandwidth)
throttle = ENET_PEER_PACKET_THROTTLE_SCALE;
else
throttle = (bandwidth * ENET_PEER_PACKET_THROTTLE_SCALE) / dataTotal;
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
enet_uint32 peerBandwidth;
if (peer -> state != ENET_PEER_STATE_CONNECTED ||
peer -> incomingBandwidth == 0 ||
peer -> outgoingBandwidthThrottleEpoch == timeCurrent)
continue;
peerBandwidth = (peer -> incomingBandwidth * elapsedTime) / 1000;
if ((throttle * peer -> outgoingDataTotal) / ENET_PEER_PACKET_THROTTLE_SCALE <= peerBandwidth)
continue;
peer -> packetThrottleLimit = (peerBandwidth *
ENET_PEER_PACKET_THROTTLE_SCALE) / peer -> outgoingDataTotal;
if (peer -> packetThrottleLimit == 0)
peer -> packetThrottleLimit = 1;
if (peer -> packetThrottle > peer -> packetThrottleLimit)
peer -> packetThrottle = peer -> packetThrottleLimit;
peer -> outgoingBandwidthThrottleEpoch = timeCurrent;
needsAdjustment = 1;
-- peersRemaining;
bandwidth -= peerBandwidth;
dataTotal -= peerBandwidth;
}
}
if (peersRemaining > 0)
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
if (peer -> state != ENET_PEER_STATE_CONNECTED ||
peer -> outgoingBandwidthThrottleEpoch == timeCurrent)
continue;
peer -> packetThrottleLimit = throttle;
if (peer -> packetThrottle > peer -> packetThrottleLimit)
peer -> packetThrottle = peer -> packetThrottleLimit;
}
if (host -> recalculateBandwidthLimits)
{
host -> recalculateBandwidthLimits = 0;
peersRemaining = peersTotal;
bandwidth = host -> incomingBandwidth;
needsAdjustment = 1;
if (bandwidth == 0)
bandwidthLimit = 0;
else
while (peersRemaining > 0 && needsAdjustment != 0)
{
needsAdjustment = 0;
bandwidthLimit = bandwidth / peersRemaining;
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
if (peer -> state != ENET_PEER_STATE_CONNECTED ||
peer -> incomingBandwidthThrottleEpoch == timeCurrent)
continue;
if (peer -> outgoingBandwidth > 0 &&
bandwidthLimit > peer -> outgoingBandwidth)
continue;
peer -> incomingBandwidthThrottleEpoch = timeCurrent;
needsAdjustment = 1;
-- peersRemaining;
bandwidth -= peer -> outgoingBandwidth;
}
}
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
if (peer -> state != ENET_PEER_STATE_CONNECTED)
continue;
command.header.command = ENET_PROTOCOL_COMMAND_BANDWIDTH_LIMIT;
command.header.channelID = 0xFF;
command.header.flags = 0;
command.header.commandLength = sizeof (ENetProtocolBandwidthLimit);
command.bandwidthLimit.outgoingBandwidth = ENET_HOST_TO_NET_32 (host -> outgoingBandwidth);
if (peer -> incomingBandwidthThrottleEpoch == timeCurrent)
command.bandwidthLimit.incomingBandwidth = ENET_HOST_TO_NET_32 (peer -> outgoingBandwidth);
else
command.bandwidthLimit.incomingBandwidth = ENET_HOST_TO_NET_32 (bandwidthLimit);
enet_peer_queue_outgoing_command (peer, & command, NULL, 0, 0);
}
}
host -> bandwidthThrottleEpoch = timeCurrent;
for (peer = host -> peers;
peer < & host -> peers [host -> peerCount];
++ peer)
{
peer -> incomingDataTotal = 0;
peer -> outgoingDataTotal = 0;
}
}
/** Waits for events on the host specified and shuttles packets between
the host and its peers.
@param host host to service
@param event an event structure where event details will be placed if one occurs
@param timeout number of milliseconds that ENet should wait for events
@retval > 1 if an event occurred within the specified time limit
@retval 0 if no event occurred
@retval < 1 on failure
@remarks enet_host_service should be called fairly regularly for adequate performance
@ingroup host
*/
int
enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
{
enet_uint32 waitCondition;
event -> type = ENET_EVENT_TYPE_NONE;
event -> peer = NULL;
event -> packet = NULL;
switch (enet_protocol_dispatch_incoming_commands (host, event))
{
case 1:
return 1;
case -1:
perror ("Error dispatching incoming packets");
return -1;
default:
break;
}
timeCurrent = enet_time_get ();
timeout += timeCurrent;
do
{
if (ENET_TIME_DIFFERENCE (timeCurrent, host -> bandwidthThrottleEpoch) >= ENET_HOST_BANDWIDTH_THROTTLE_INTERVAL)
enet_host_bandwidth_throttle (host);
switch (enet_protocol_send_outgoing_commands (host, event, 1))
{
case 1:
return 1;
case -1:
perror ("Error sending outgoing packets");
return -1;
default:
break;
}
switch (enet_protocol_receive_incoming_commands (host, event))
{
case 1:
return 1;
case -1:
perror ("Error receiving incoming packets");
return -1;
default:
break;
}
switch (enet_protocol_send_outgoing_commands (host, event, 1))
{
case 1:
return 1;
case -1:
perror ("Error sending outgoing packets");
return -1;
default:
break;
}
switch (enet_protocol_dispatch_incoming_commands (host, event))
{
case 1:
return 1;
case -1:
perror ("Error dispatching incoming packets");
return -1;
default:
break;
}
timeCurrent = enet_time_get ();
if (ENET_TIME_GREATER_EQUAL (timeCurrent, timeout))
return 0;
waitCondition = ENET_SOCKET_WAIT_RECEIVE;
if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, timeCurrent)) != 0)
return -1;
timeCurrent = enet_time_get ();
} while (waitCondition == ENET_SOCKET_WAIT_RECEIVE);
return 0;
}
void Tunneld::promiseChannelCleanup(ToxTunChannel *chan)
{
qDebug()<<chan<<sender();
QObject *snderobj = (QObject*)sender();
QTimer *repeat_timer = NULL;
qDebug()<<snderobj->objectName()<<snderobj->metaObject()->className();
if (chan == NULL) {
repeat_timer = (QTimer*)snderobj;
assert(repeat_timer != NULL);
int conid = repeat_timer->property("conid").toInt();
if (!m_conid_chans.contains(conid)) {
qDebug()<<"maybe too late repeat check self sock close timer event";
repeat_timer->deleteLater();
return;
}
chan = m_conid_chans[conid];
assert(chan != NULL);
} else {
// snderobj is ENetPoll or QTcpSocket
}
QTcpSocket *sock = chan->m_sock;
ENetPeer *enpeer = chan->m_enpeer;
//////////
QHash<QString, bool> promise_results;
promise_results["sock_closed"] = chan->sock_closed;
// promise_results["enet_closed"] = chan->enet_closed;
promise_results["peer_sock_closed"] = chan->peer_sock_closed;
bool promise_result = true;
for (auto it = promise_results.begin(); it != promise_results.end(); it ++) {
QString key = it.key();
bool val = it.value();
promise_result = promise_result && val;
}
if (true) {
// 检测对方最近的回包情况
if (!promise_result && repeat_timer == NULL
&& promise_results["peer_sock_closed"] && !promise_results["sock_closed"]) {
qDebug()<<"here";
if (chan->last_recv_peer_pkt_time == QDateTime()) {
qDebug()<<"maybe can close socket right now, because recv nothing forever";
}
QTimer *t = new QTimer();
t->setInterval(500);
t->setSingleShot(true);
t->setProperty("conid", QVariant(chan->m_conid));
// // QObject::connect(t, &QTimer::timeout, this, &Tunneld::promiseChannelCleanup, Qt::QueuedConnection);
QObject::connect(t, SIGNAL(timeout()), this, SLOT(promiseChannelCleanup()), Qt::QueuedConnection);
qDebug()<<"start repeat check sock close timer:";
t->start();
}
if (!promise_result && repeat_timer != NULL
&& promise_results["peer_sock_closed"] && !promise_results["sock_closed"]) {
//
QDateTime now_time = QDateTime::currentDateTime();
uint32_t last_recv_to_now_time = chan->last_recv_peer_pkt_time.msecsTo(now_time);
qDebug()<<"here:"<<last_recv_to_now_time<<enpeer->lastReceiveTime;
if (last_recv_to_now_time > 7000) {
qDebug()<<"last recv to now, force close self socket:"<<last_recv_to_now_time
<<enpeer->incomingPeerID<<enpeer->outgoingPeerID;
// 不能直接关闭，要在当前函数执行完后，即下一次事件的时候开始执行。
QTimer::singleShot(1, sock, &QTcpSocket::close);
// QTimer *t = new QTimer();
// t->setSingleShot(true);
// QObject::connect(t, &QTimer::timeout, sock, &QTcpSocket::close, Qt::QueuedConnection);
// t->start(1);
repeat_timer->deleteLater();
} else {
repeat_timer->start();
}
}
}
if (!promise_result) {
qDebug()<<"promise nooooot satisfied:"<<promise_results<<chan->m_conid;
return;
}
chan->promise_close_time = QDateTime::currentDateTime();
qDebug()<<"promise satisfied."<<chan->m_conid;
///// do cleanup
bool force_closed = chan->force_closed;
// enpeer->toxchan = NULL; // cleanup
peerRemoveChan(enpeer, chan);
this->m_sock_chans.remove(sock);
// this->m_enpeer_chans.remove(enpeer);
this->m_conid_chans.remove(chan->m_conid);
delete chan;
sock->disconnect();
sock->deleteLater();
if (repeat_timer != NULL) repeat_timer->deleteLater();
qDebug()<<"curr chan size:"<<this->m_sock_chans.count()<<this->m_conid_chans.count();
if (force_closed) {
return;
}
// 延时关闭enet_peer
QTimer *t = new QTimer();
auto later_close_timeout = [enpeer, t]() {
qDebug()<<enpeer<<enpeer->state;
if (enpeer->state != ENET_PEER_STATE_CONNECTED) {
qDebug()<<"warning, peer currently not connected:"<<enpeer->incomingPeerID;
}
if (! (enet_list_empty (& enpeer -> outgoingReliableCommands) &&
enet_list_empty (& enpeer -> outgoingUnreliableCommands) &&
enet_list_empty (& enpeer -> sentReliableCommands))) {
qDebug()<<"warning, maybe has unsent packet:"<<enpeer->incomingPeerID;
}
qDebug()<<"last recv time:"<<enpeer->incomingPeerID
<<enetx_time_diff(enpeer->lastReceiveTime, enet_time_get());
qDebug()<<"restore peer timeout, ping interval";
enet_peer_timeout(enpeer, ENET_PEER_TIMEOUT_LIMIT*2,
ENET_PEER_TIMEOUT_MINIMUM*2, ENET_PEER_TIMEOUT_MAXIMUM*2);
enet_peer_ping_interval(enpeer, ENET_PEER_PING_INTERVAL*2);
// enet_peer_disconnect_now(enpeer, qrand());
enet_peer_disconnect_later(enpeer, qrand());
t->deleteLater();
};
qDebug()<<"last recv time:"<<enpeer->incomingPeerID
<<enetx_time_diff(enpeer->lastReceiveTime, enet_time_get());
// QTimer::singleShot(5678, later_close_timeout);
t->setInterval(5678);
t->setSingleShot(true);
QObject::connect(t, &QTimer::timeout, later_close_timeout);
t->start();
}
