C++ TreeSocket::Close方法代码示例

void ModuleSpanningTree::OnUnloadModule(Module* mod)
{
	if (!Utils)
		return;
	ServerInstance->PI->SendMetaData(NULL, "modules", "-" + mod->ModuleSourceFile);

	// Close all connections which use an IO hook provided by this module
	const TreeServer::ChildServers& list = Utils->TreeRoot->GetChildren();
	for (TreeServer::ChildServers::const_iterator i = list.begin(); i != list.end(); ++i)
	{
		TreeSocket* sock = (*i)->GetSocket();
		if (sock && sock->GetIOHook() && sock->GetIOHook()->creator == mod)
		{
			sock->SendError("SSL module unloaded");
			sock->Close();
		}
	}

	for (SpanningTreeUtilities::TimeoutList::const_iterator i = Utils->timeoutlist.begin(); i != Utils->timeoutlist.end(); ++i)
	{
		TreeSocket* sock = i->first;
		if (sock->GetIOHook() && sock->GetIOHook()->creator == mod)
			sock->Close();
	}
}

ModResult ModuleSpanningTree::HandleSquit(const std::vector<std::string>& parameters, User* user)
{
	TreeServer* s = Utils->FindServerMask(parameters[0]);
	if (s)
	{
		if (s == Utils->TreeRoot)
		{
			user->WriteNotice("*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (" + parameters[0] + " matches local server name)");
			return MOD_RES_DENY;
		}

		TreeSocket* sock = s->GetSocket();

		if (sock)
		{
			ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0].c_str(),user->nick.c_str());
			sock->Squit(s,"Server quit by " + user->GetFullRealHost());
			ServerInstance->SE->DelFd(sock);
			sock->Close();
		}
		else
		{
			user->WriteNotice("*** SQUIT may not be used to remove remote servers. Please use RSQUIT instead.");
		}
	}
	else
	{
		 user->WriteNotice("*** SQUIT: The server \002" + parameters[0] + "\002 does not exist on the network.");
	}
	return MOD_RES_DENY;
}

int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
{
	TreeServer* s = Utils->FindServerMask(parameters[0]);
	if (s)
	{
		if (s == Utils->TreeRoot)
		{
			user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
			return 1;
		}
		TreeSocket* sock = s->GetSocket();
		if (sock)
		{
			ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
			sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
			ServerInstance->SE->DelFd(sock);
			sock->Close();
		}
		else
		{
			if (IS_LOCAL(user))
				user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
		}
	}
	else
	{
		 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
	}
	return 1;
}

CullResult SpanningTreeUtilities::cull()
{
	const TreeServer::ChildServers& children = TreeRoot->GetChildren();
	while (!children.empty())
	{
		TreeSocket* sock = children.front()->GetSocket();
		sock->Close();
	}

	for(std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = timeoutlist.begin(); i != timeoutlist.end(); ++i)
	{
		TreeSocket* s = i->first;
		s->Close();
	}
	TreeRoot->cull();

	return classbase::cull();
}

void ModuleSpanningTree::DoPingChecks(time_t curtime)
{
	/*
	 * Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
	 * This prevents lost REMOTECONNECT notices
	 */
	long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);

restart:
	for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
	{
		TreeServer *s = i->second;

		// Skip myself
		if (s->IsRoot())
			continue;

		// Do not ping servers that are not fully connected yet!
		// Servers which are connected to us have IsLocal() == true and if they're fully connected
		// then Socket->LinkState == CONNECTED. Servers that are linked to another server are always fully connected.
		if (s->IsLocal() && s->GetSocket()->GetLinkState() != CONNECTED)
			continue;

		// Now do PING checks on all servers
		// Only ping if this server needs one
		if (curtime >= s->NextPingTime())
		{
			// And if they answered the last
			if (s->AnsweredLastPing())
			{
				// They did, send a ping to them
				s->SetNextPingTime(curtime + Utils->PingFreq);
				s->GetSocket()->WriteLine(CmdBuilder("PING").push(s->GetID()));
				s->LastPingMsec = ts;
			}
			else
			{
				// They didn't answer the last ping, if they are locally connected, get rid of them.
				if (s->IsLocal())
				{
					TreeSocket* sock = s->GetSocket();
					sock->SendError("Ping timeout");
					sock->Close();
					goto restart;
				}
			}
		}

		// If warn on ping enabled and not warned and the difference is sufficient and they didn't answer the last ping...
		if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
		{
			/* The server hasnt responded, send a warning to opers */
			ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
			s->Warned = true;
		}
	}
}

void ModuleSpanningTree::OnUnloadModule(Module* mod)
{
	if (!Utils)
		return;
	ServerInstance->PI->SendMetaData("modules", "-" + mod->ModuleSourceFile);

	if (mod == this)
	{
		// We are being unloaded, inform modules about all servers splitting which cannot be done later when the servers are actually disconnected
		const server_hash& servers = Utils->serverlist;
		for (server_hash::const_iterator i = servers.begin(); i != servers.end(); ++i)
		{
			TreeServer* server = i->second;
			if (!server->IsRoot())
				FOREACH_MOD_CUSTOM(GetEventProvider(), ServerEventListener, OnServerSplit, (server));
		}
		return;
	}

	// Some other module is being unloaded. If it provides an IOHook we use, we must close that server connection now.

restart:
	// Close all connections which use an IO hook provided by this module
	const TreeServer::ChildServers& list = Utils->TreeRoot->GetChildren();
	for (TreeServer::ChildServers::const_iterator i = list.begin(); i != list.end(); ++i)
	{
		TreeSocket* sock = (*i)->GetSocket();
		if (sock->GetModHook(mod))
		{
			sock->SendError("SSL module unloaded");
			sock->Close();
			// XXX: The list we're iterating is modified by TreeServer::SQuit() which is called by Close()
			goto restart;
		}
	}

	for (SpanningTreeUtilities::TimeoutList::const_iterator i = Utils->timeoutlist.begin(); i != Utils->timeoutlist.end(); ++i)
	{
		TreeSocket* sock = i->first;
		if (sock->GetModHook(mod))
			sock->Close();
	}
}

CullResult SpanningTreeUtilities::cull()
{
	while (TreeRoot->ChildCount())
	{
		TreeServer* child_server = TreeRoot->GetChild(0);
		if (child_server)
		{
			TreeSocket* sock = child_server->GetSocket();
			sock->Close();
		}
	}

	for(std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = timeoutlist.begin(); i != timeoutlist.end(); ++i)
	{
		TreeSocket* s = i->first;
		s->Close();
	}
	TreeRoot->cull();

	return classbase::cull();
}

void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
{
	SpanningTreeUtilities::TimeoutList::iterator i = Utils->timeoutlist.begin();
	while (i != Utils->timeoutlist.end())
	{
		TreeSocket* s = i->first;
		std::pair<std::string, unsigned int> p = i->second;
		SpanningTreeUtilities::TimeoutList::iterator me = i;
		i++;
		if (s->GetLinkState() == DYING)
		{
			Utils->timeoutlist.erase(me);
			s->Close();
		}
		else if (curtime > s->age + p.second)
		{
			ServerInstance->SNO.WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %u seconds)",p.first.c_str(),p.second);
			Utils->timeoutlist.erase(me);
			s->Close();
		}
	}
}

void ModuleSpanningTree::DoPingChecks(time_t curtime)
{
	for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
	{
		TreeServer* serv = Utils->TreeRoot->GetChild(j);
		TreeSocket* sock = serv->GetSocket();
		if (sock)
		{
			if (curtime >= serv->NextPingTime())
			{
				if (serv->AnsweredLastPing())
				{
					sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
					serv->SetNextPingTime(curtime + 60);
					serv->LastPing = curtime;
					serv->Warned = false;
				}
				else
				{
					/* they didnt answer, boot them */
					sock->SendError("Ping timeout");
					sock->Squit(serv,"Ping timeout");
					ServerInstance->SE->DelFd(sock);
					sock->Close();
					return;
				}
			}
			else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (60 - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
			{
				/* The server hasnt responded, send a warning to opers */
				ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
				serv->Warned = true;
			}
		}
	}

	/* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
	 * This prevents lost REMOTECONNECT notices
	 */
	for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
		Utils->SetRemoteBursting(i->second, false);
}