void KillClient ( unsigned int clientID ) //this is the nice disconnect
{
ClientMap::iterator iter = clients.find(clientID);
if (iter != clients.end())
{
enet_peer_disconnect_later(iter->second, 0);
clients.erase(iter);
}
}
void Network::DeInitialize(){
_mutex.lock();
if (IsServer())
enet_host_destroy(_host);
else
enet_peer_disconnect_later(_peer,0);
_isConnected = false;
_isServer = false;
StopThreads();
_mutex.unlock();
}
void Peer::disconnect()
{
//enet_peer_disconnect_now(peer, 0);
enet_peer_disconnect_later(peer, 0);
}
int enet_lua_api enet_lua_peer_disconnect_later(lua_State* L) {
ENetPeer** udata = luaL_checkudata(L, 1, "_enet.peer");
enet_peer_disconnect_later(*udata, 0);
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();
}
// called from ---NETPLAY--- thread
void NetPlayServer::ThreadFunc()
{
while (m_do_loop)
{
// update pings every so many seconds
if ((m_ping_timer.GetTimeElapsed() > 1000) || m_update_pings)
{
m_ping_key = Common::Timer::GetTimeMs();
sf::Packet spac;
spac << (MessageId)NP_MSG_PING;
spac << m_ping_key;
m_ping_timer.Start();
SendToClients(spac);
m_update_pings = false;
}
ENetEvent netEvent;
int net;
if (m_traversal_client)
m_traversal_client->HandleResends();
net = enet_host_service(m_server, &netEvent, 1000);
while (!m_async_queue.Empty())
{
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
SendToClients(m_async_queue.Front());
}
m_async_queue.Pop();
}
if (net > 0)
{
switch (netEvent.type)
{
case ENET_EVENT_TYPE_CONNECT:
{
ENetPeer* accept_peer = netEvent.peer;
unsigned int error;
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
error = OnConnect(accept_peer);
}
if (error)
{
sf::Packet spac;
spac << (MessageId)error;
// don't need to lock, this client isn't in the client map
Send(accept_peer, spac);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
enet_peer_disconnect_later(accept_peer, 0);
}
}
break;
case ENET_EVENT_TYPE_RECEIVE:
{
sf::Packet rpac;
rpac.append(netEvent.packet->data, netEvent.packet->dataLength);
auto it = m_players.find(*(PlayerId*)netEvent.peer->data);
Client& client = it->second;
if (OnData(rpac, client) != 0)
{
// if a bad packet is received, disconnect the client
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
OnDisconnect(client);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
}
enet_packet_destroy(netEvent.packet);
}
break;
case ENET_EVENT_TYPE_DISCONNECT:
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
if (!netEvent.peer->data)
break;
auto it = m_players.find(*(PlayerId*)netEvent.peer->data);
if (it != m_players.end())
{
Client& client = it->second;
OnDisconnect(client);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
}
}
break;
default:
break;
}
}
}
// close listening socket and client sockets
for (auto& player_entry : m_players)
{
delete (PlayerId*)player_entry.second.socket->data;
player_entry.second.socket->data = nullptr;
enet_peer_disconnect(player_entry.second.socket, 0);
}
}
