C++ TreeSocket::GetFd方法代码示例

void ServernameResolver::OnLookupComplete(const DNS::Query *r)
{
	const DNS::ResourceRecord &ans_record = r->answers[0];

	/* Initiate the connection, now that we have an IP to use.
	 * Passing a hostname directly to BufferedSocket causes it to
	 * just bail and set its FD to -1.
	 */
	TreeServer* CheckDupe = Utils->FindServer(MyLink->Name.c_str());
	if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
	{
		TreeSocket* newsocket = new TreeSocket(Utils, MyLink, myautoconnect, ans_record.rdata);
		if (newsocket->GetFd() > -1)
		{
			/* We're all OK */
		}
		else
		{
			/* Something barfed, show the opers */
			ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
				MyLink->Name.c_str(), newsocket->getError().c_str());
			ServerInstance->GlobalCulls.AddItem(newsocket);
		}
	}
}

void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
{
	bool ipvalid = true;

	if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name)))
	{
		ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
		return;
	}

	DNS::QueryType start_type = DNS::QUERY_AAAA;
	if (strchr(x->IPAddr.c_str(),':'))
	{
		in6_addr n;
		if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
			ipvalid = false;
	}
	else
	{
		in_addr n;
		if (inet_aton(x->IPAddr.c_str(),&n) < 1)
			ipvalid = false;
	}

	/* Do we already have an IP? If so, no need to resolve it. */
	if (ipvalid)
	{
		/* Gave a hook, but it wasnt one we know */
		TreeSocket* newsocket = new TreeSocket(x, y, x->IPAddr);
		if (newsocket->GetFd() > -1)
		{
			/* Handled automatically on success */
		}
		else
		{
			ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
				x->Name.c_str(), newsocket->getError().c_str());
			ServerInstance->GlobalCulls.AddItem(newsocket);
		}
	}
	else if (!DNS)
	{
		ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Hostname given and m_dns.so is not loaded, unable to resolve.", x->Name.c_str());
	}
	else
	{
		ServernameResolver* snr = new ServernameResolver(*DNS, x->IPAddr, x, start_type, y);
		try
		{
			DNS->Process(snr);
		}
		catch (DNS::Exception& e)
		{
			delete snr;
			ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
			ConnectServer(y, false);
		}
	}
}

void ModuleSpanningTree::ConnectServer(Link* x)
{
	bool ipvalid = true;
	QueryType start_type = DNS_QUERY_A;
#ifdef IPV6
	start_type = DNS_QUERY_AAAA;
	if (strchr(x->IPAddr.c_str(),':'))
	{
		in6_addr n;
		if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
			ipvalid = false;
	}
	else
#endif
	{
		in_addr n;
		if (inet_aton(x->IPAddr.c_str(),&n) < 1)
			ipvalid = false;
	}

	/* Do we already have an IP? If so, no need to resolve it. */
	if (ipvalid)
	{
		/* Gave a hook, but it wasnt one we know */
		if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
			return;
		TreeSocket* newsocket = new TreeSocket(Utils, ServerInstance, x->IPAddr,x->Port,false,x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]);
		if (newsocket->GetFd() > -1)
		{
			/* Handled automatically on success */
		}
		else
		{
			ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
			delete newsocket;
			Utils->DoFailOver(x);
		}
	}
	else
	{
		try
		{
			bool cached;
			ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
			ServerInstance->AddResolver(snr, cached);
		}
		catch (ModuleException& e)
		{
			ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
			Utils->DoFailOver(x);
		}
	}
}

void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
{
	bool ipvalid = true;

	if (InspIRCd::Match(ServerInstance->Config->ServerName, x->Name, ascii_case_insensitive_map))
	{
		ServerInstance->SNO.WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
		return;
	}

#ifndef _WIN32
	if (x->IPAddr.find('/') != std::string::npos)
	{
		struct stat sb;
		if (stat(x->IPAddr.c_str(), &sb) == -1 || !S_ISSOCK(sb.st_mode))
			ipvalid = false;
	}
#endif
	if (x->IPAddr.find(':') != std::string::npos)
	{
		in6_addr n;
		if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
			ipvalid = false;
	}
	else
	{
		in_addr n;
		if (inet_pton(AF_INET, x->IPAddr.c_str(),&n) < 1)
			ipvalid = false;
	}

	/* Do we already have an IP? If so, no need to resolve it. */
	if (ipvalid)
	{
		// Create a TreeServer object that will start connecting immediately in the background
		TreeSocket* newsocket = new TreeSocket(x, y, x->IPAddr);
		if (newsocket->GetFd() > -1)
		{
			/* Handled automatically on success */
		}
		else
		{
			ServerInstance->SNO.WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
				x->Name.c_str(), newsocket->getError().c_str());
			ServerInstance->GlobalCulls.AddItem(newsocket);
		}
	}
	else if (!DNS)
	{
		ServerInstance->SNO.WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Hostname given and core_dns is not loaded, unable to resolve.", x->Name.c_str());
	}
	else
	{
		// Guess start_type from bindip aftype
		DNS::QueryType start_type = DNS::QUERY_AAAA;
		irc::sockets::sockaddrs bind;
		if ((!x->Bind.empty()) && (irc::sockets::aptosa(x->Bind, 0, bind)))
		{
			if (bind.family() == AF_INET)
				start_type = DNS::QUERY_A;
		}

		ServernameResolver* snr = new ServernameResolver(*DNS, x->IPAddr, x, start_type, y);
		try
		{
			DNS->Process(snr);
		}
		catch (DNS::Exception& e)
		{
			delete snr;
			ServerInstance->SNO.WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason().c_str());
			ConnectServer(y, false);
		}
	}
}