X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspsocket.cpp;h=0350858e7ce693ad391825570d3237fe0c466f42;hb=0ed3ef9dee2cb8f4b0c37da218a2fd1eee8c31f6;hp=68e2c8f96aea8060ae25df558d4bbdda0a6f281e;hpb=dbe93e44775c4a274d329e152babd8330dadcbf8;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/inspsocket.cpp b/src/inspsocket.cpp
index 68e2c8f96..0350858e7 100644
--- a/src/inspsocket.cpp
+++ b/src/inspsocket.cpp
@@ -2,8 +2,8 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
@@ -11,125 +11,99 @@
  * ---------------------------------------------------
  */
 
+#include "inspircd.h"
 #include "socket.h"
-#include "configreader.h"
 #include "inspstring.h"
 #include "socketengine.h"
-#include "inspircd.h"
-
-using irc::sockets::OpenTCPSocket;
-using irc::sockets::insp_inaddr;
-using irc::sockets::insp_sockaddr;
 
-bool InspSocket::Readable()
+bool BufferedSocket::Readable()
 {
-	return ((this->state != I_CONNECTING) && (this->WaitingForWriteEvent == false));
+	return (this->state != I_CONNECTING);
 }
 
-InspSocket::InspSocket(InspIRCd* SI)
+BufferedSocket::BufferedSocket(InspIRCd* SI)
 {
+	this->Timeout = NULL;
 	this->state = I_DISCONNECTED;
 	this->fd = -1;
-	this->WaitingForWriteEvent = false;
-	this->Instance = SI;
-	this->IsIOHooked = false;
+	this->ServerInstance = SI;
 }
 
-InspSocket::InspSocket(InspIRCd* SI, int newfd, const char* ip)
+BufferedSocket::BufferedSocket(InspIRCd* SI, int newfd, const char* ip)
 {
+	this->Timeout = NULL;
 	this->fd = newfd;
 	this->state = I_CONNECTED;
 	strlcpy(this->IP,ip,MAXBUF);
-	this->WaitingForWriteEvent = false;
-	this->Instance = SI;
-	this->IsIOHooked = false;
+	this->ServerInstance = SI;
 	if (this->fd > -1)
-		this->Instance->SE->AddFd(this);
+		this->ServerInstance->SE->AddFd(this);
 }
 
-InspSocket::InspSocket(InspIRCd* SI, const std::string &ipaddr, int aport, bool listening, unsigned long maxtime)
+BufferedSocket::BufferedSocket(InspIRCd* SI, const std::string &ipaddr, int aport, unsigned long maxtime, const std::string &connectbindip)
 {
+	this->cbindip = connectbindip;
 	this->fd = -1;
-	this->Instance = SI;
+	this->ServerInstance = SI;
 	strlcpy(host,ipaddr.c_str(),MAXBUF);
-	this->WaitingForWriteEvent = false;
-	this->IsIOHooked = false;
-	if (listening)
+	this->Timeout = NULL;
+
+	strlcpy(this->host,ipaddr.c_str(),MAXBUF);
+	this->port = aport;
+
+	irc::sockets::sockaddrs testaddr;
+	if (!irc::sockets::aptosa(host, aport, &testaddr))
 	{
-		if ((this->fd = OpenTCPSocket()) == ERROR)
-		{
-			this->fd = -1;
-			this->state = I_ERROR;
-			this->OnError(I_ERR_SOCKET);
-			this->Instance->Log(DEBUG,"OpenTCPSocket() error");
-			return;
-		}
-		else
-		{
-			if (!SI->BindSocket(this->fd,this->client,this->server,aport,(char*)ipaddr.c_str()))
-			{
-				this->Instance->Log(DEBUG,"BindSocket() error %s",strerror(errno));
-				this->Close();
-				this->fd = -1;
-				this->state = I_ERROR;
-				this->OnError(I_ERR_BIND);
-				this->ClosePending = true;
-				return;
-			}
-			else
-			{
-				this->state = I_LISTENING;
-				if (this->fd > -1)
-				{
-					if (!this->Instance->SE->AddFd(this))
-					{
-						this->Close();
-						this->state = I_ERROR;
-						this->OnError(I_ERR_NOMOREFDS);
-					}
-				}
-				this->Instance->Log(DEBUG,"New socket now in I_LISTENING state");
-				return;
-			}
-		}			
+		this->ServerInstance->Logs->Log("SOCKET", DEBUG,"BUG: Hostname passed to BufferedSocket, rather than an IP address!");
+		this->OnError(I_ERR_CONNECT);
+		this->Close();
+		this->fd = -1;
+		this->state = I_ERROR;
+		return;
 	}
 	else
 	{
-		strlcpy(this->host,ipaddr.c_str(),MAXBUF);
-		this->port = aport;
-
-		if (insp_aton(host,&addy) < 1)
+		strlcpy(this->IP,host,MAXBUF);
+		if (!this->DoConnect(maxtime))
 		{
-			this->Instance->Log(DEBUG,"You cannot pass hostnames to InspSocket, resolve them first with Resolver!");
+			this->OnError(I_ERR_CONNECT);
 			this->Close();
 			this->fd = -1;
 			this->state = I_ERROR;
-			this->OnError(I_ERR_RESOLVE);
 			return;
 		}
-		else
-		{
-			this->Instance->Log(DEBUG,"No need to resolve %s",this->host);
-			strlcpy(this->IP,host,MAXBUF);
-			timeout_val = maxtime;
-			this->DoConnect();
-		}
 	}
 }
 
-void InspSocket::WantWrite()
-{
-	this->Instance->SE->WantWrite(this);
-	this->WaitingForWriteEvent = true;
-}
-
-void InspSocket::SetQueues(int nfd)
+void BufferedSocket::SetQueues()
 {
 	// attempt to increase socket sendq and recvq as high as its possible
 	int sendbuf = 32768;
 	int recvbuf = 32768;
-	setsockopt(nfd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf));
-	setsockopt(nfd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf));
+	if(setsockopt(this->fd,SOL_SOCKET,SO_SNDBUF,(const char *)&sendbuf,sizeof(sendbuf)) || setsockopt(this->fd,SOL_SOCKET,SO_RCVBUF,(const char *)&recvbuf,sizeof(sendbuf)))
+	{
+		//this->ServerInstance->Log(DEFAULT, "Could not increase SO_SNDBUF/SO_RCVBUF for socket %u", GetFd());
+		; // do nothing. I'm a little sick of people trying to interpret this message as a result of why their incorrect setups don't work.
+	}
+}
+
+bool BufferedSocket::DoBindMagic(const std::string &current_ip)
+{
+	irc::sockets::sockaddrs s;
+	if (!irc::sockets::aptosa(current_ip.c_str(), 0, &s))
+	{
+		errno = EADDRNOTAVAIL;
+		return false;
+	}
+
+	if (ServerInstance->SE->Bind(this->fd, &s.sa, sa_size(s)) < 0)
+	{
+		this->state = I_ERROR;
+		this->OnError(I_ERR_BIND);
+		return false;
+	}
+
+	return true;
 }
 
 /* Most irc servers require you to specify the ip you want to bind to.
@@ -140,162 +114,150 @@ void InspSocket::SetQueues(int nfd)
  * This is easier to configure when you have a lot of links and a lot
  * of servers to configure.
  */
-bool InspSocket::BindAddr()
+bool BufferedSocket::BindAddr(const std::string &ip_to_bind)
 {
-	insp_inaddr n;
-	ConfigReader Conf(this->Instance);
+	ConfigReader Conf(this->ServerInstance);
 
-	this->Instance->Log(DEBUG,"In InspSocket::BindAddr()");
-	for (int j =0; j < Conf.Enumerate("bind"); j++)
+	// Case one: If they provided an IP, try bind it
+	if (!ip_to_bind.empty())
 	{
-		std::string Type = Conf.ReadValue("bind","type",j);
-		std::string IP = Conf.ReadValue("bind","address",j);
-		if (Type == "servers")
-		{
-			if ((IP != "*") && (IP != "127.0.0.1") && (IP != ""))
-			{
-				insp_sockaddr s;
+		// And if it fails, don't do anything.
+		return this->DoBindMagic(ip_to_bind);
+	}
 
-				if (insp_aton(IP.c_str(),&n) > 0)
-				{
-					this->Instance->Log(DEBUG,"Found an IP to bind to: %s",IP.c_str());
-#ifdef IPV6
-					s.sin6_addr = n;
-					s.sin6_family = AF_FAMILY;
-#else
-					s.sin_addr = n;
-					s.sin_family = AF_FAMILY;
-#endif
-					if (bind(this->fd,(struct sockaddr*)&s,sizeof(s)) < 0)
-					{
-						this->Instance->Log(DEBUG,"Cant bind()");
-						this->state = I_ERROR;
-						this->OnError(I_ERR_BIND);
-						this->fd = -1;
-						return false;
-					}
-					this->Instance->Log(DEBUG,"bind() reports outbound fd bound to ip %s",IP.c_str());
-					return true;
-				}
-				else
-				{
-					this->Instance->Log(DEBUG,"Address '%s' was not an IP address",IP.c_str());
-				}
-			}
-		}
+	for (int j = 0; j < Conf.Enumerate("bind"); j++)
+	{
+		// We only want to try bind to a server ip.
+		if (Conf.ReadValue("bind","type",j) != "servers")
+			continue;
+
+		// set current IP to the <bind> tag
+		std::string current_ip = Conf.ReadValue("bind","address",j);
+
+		// Make sure IP is nothing local
+		if (current_ip == "*" || current_ip == "127.0.0.1" || current_ip.empty() || current_ip == "::1")
+			continue;
+
+		// Try bind, don't fail if it doesn't bind though.
+		if (this->DoBindMagic(current_ip))
+			return true;
 	}
-	this->Instance->Log(DEBUG,"Found no suitable IPs to bind, binding INADDR_ANY");
+
+	// NOTE: You may wonder WTF we are returning *true* here, but that is because there were no custom binds setup, and so we have nothing to do
+	// (remember, outgoing connections without binding are perfectly ok).
+	ServerInstance->Logs->Log("SOCKET", DEBUG,"nothing in the config to bind()!");
 	return true;
 }
 
-bool InspSocket::DoConnect()
+bool BufferedSocket::DoConnect(unsigned long maxtime)
 {
-	this->Instance->Log(DEBUG,"In DoConnect()");
-	if ((this->fd = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+	irc::sockets::sockaddrs addr;
+	irc::sockets::aptosa(this->host, this->port, &addr);
+
+	this->fd = socket(addr.sa.sa_family, SOCK_STREAM, 0);
+
+	if (this->fd == -1)
 	{
-		this->Instance->Log(DEBUG,"Cant socket()");
 		this->state = I_ERROR;
 		this->OnError(I_ERR_SOCKET);
 		return false;
 	}
 
-	if ((strstr(this->IP,"::ffff:") != (char*)&this->IP) && (strstr(this->IP,"::FFFF:") != (char*)&this->IP))
+	if (!this->BindAddr(this->cbindip))
 	{
-		if (!this->BindAddr())
-			return false;
+		this->Close();
+		this->fd = -1;
+		return false;
 	}
 
-	this->Instance->Log(DEBUG,"Part 2 DoConnect() %s",this->IP);
-	insp_aton(this->IP,&addy);
-#ifdef IPV6
-	addr.sin6_family = AF_FAMILY;
-	memcpy(&addr.sin6_addr, &addy, sizeof(insp_inaddr));
-	addr.sin6_port = htons(this->port);
-#else
-	addr.sin_family = AF_FAMILY;
-	addr.sin_addr = addy;
-	addr.sin_port = htons(this->port);
-#endif
-
-	int flags;
-	flags = fcntl(this->fd, F_GETFL, 0);
-	fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
-
-	if (connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
+	ServerInstance->SE->NonBlocking(this->fd);
+
+	if (ServerInstance->SE->Connect(this, &addr.sa, sa_size(addr)) == -1)
 	{
 		if (errno != EINPROGRESS)
 		{
-			this->Instance->Log(DEBUG,"Error connect() %d: %s",this->fd,strerror(errno));
 			this->OnError(I_ERR_CONNECT);
 			this->Close();
 			this->state = I_ERROR;
 			return false;
 		}
 
-		this->Timeout = new SocketTimeout(this->GetFd(), this->Instance, this, timeout_val, this->Instance->Time());
-		this->Instance->Timers->AddTimer(this->Timeout);
+		this->Timeout = new SocketTimeout(this->GetFd(), this->ServerInstance, this, maxtime, this->ServerInstance->Time());
+		this->ServerInstance->Timers->AddTimer(this->Timeout);
 	}
+
 	this->state = I_CONNECTING;
 	if (this->fd > -1)
 	{
-		if (!this->Instance->SE->AddFd(this))
+		if (!this->ServerInstance->SE->AddFd(this))
 		{
 			this->OnError(I_ERR_NOMOREFDS);
 			this->Close();
 			this->state = I_ERROR;
 			return false;
 		}
-		this->SetQueues(this->fd);
+		this->SetQueues();
 	}
-	this->Instance->Log(DEBUG,"Returning true from InspSocket::DoConnect");
+
+	ServerInstance->Logs->Log("SOCKET", DEBUG,"BufferedSocket::DoConnect success");
 	return true;
 }
 
 
-void InspSocket::Close()
+void BufferedSocket::Close()
 {
+	/* Save this, so we dont lose it,
+	 * otherise on failure, error messages
+	 * might be inaccurate.
+	 */
+	int save = errno;
 	if (this->fd > -1)
 	{
-                if (this->IsIOHooked && Instance->Config->GetIOHook(this))
+		if (this->GetIOHook())
 		{
 			try
 			{
-				Instance->Config->GetIOHook(this)->OnRawSocketClose(this->fd);
+				this->GetIOHook()->OnRawSocketClose(this->fd);
 			}
 			catch (CoreException& modexcept)
 			{
-				Instance->Log(DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+				ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
 			}
 		}
-		this->OnClose();
-		shutdown(this->fd,2);
-		close(this->fd);
+		ServerInstance->SE->Shutdown(this, 2);
+		if (ServerInstance->SE->Close(this) != -1)
+			this->OnClose();
+
+		if (ServerInstance->SocketCull.find(this) == ServerInstance->SocketCull.end())
+			ServerInstance->SocketCull[this] = this;
 	}
+	errno = save;
 }
 
-std::string InspSocket::GetIP()
+std::string BufferedSocket::GetIP()
 {
 	return this->IP;
 }
 
-char* InspSocket::Read()
+const char* BufferedSocket::Read()
 {
-	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+	if (!ServerInstance->SE->BoundsCheckFd(this))
 		return NULL;
 
 	int n = 0;
+	char* ReadBuffer = ServerInstance->GetReadBuffer();
 
-	if (this->IsIOHooked)
+	if (this->GetIOHook())
 	{
 		int result2 = 0;
 		int MOD_RESULT = 0;
 		try
 		{
-			MOD_RESULT = Instance->Config->GetIOHook(this)->OnRawSocketRead(this->fd,this->ibuf,sizeof(this->ibuf),result2);
+			MOD_RESULT = this->GetIOHook()->OnRawSocketRead(this->fd, ReadBuffer, ServerInstance->Config->NetBufferSize, result2);
 		}
 		catch (CoreException& modexcept)
 		{
-			Instance->Log(DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+			ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
 		}
 		if (MOD_RESULT < 0)
 		{
@@ -309,97 +271,71 @@ char* InspSocket::Read()
 	}
 	else
 	{
-		n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
+		n = recv(this->fd, ReadBuffer, ServerInstance->Config->NetBufferSize, 0);
 	}
 
-	if ((n > 0) && (n <= (int)sizeof(this->ibuf)))
+	/*
+	 * This used to do some silly bounds checking instead of just passing bufsize - 1 to recv.
+	 * Not only does that make absolutely no sense, but it could potentially result in a read buffer's worth
+	 * of data being thrown into the bit bucket for no good reason, which is just *stupid*.. do things correctly now.
+	 * --w00t (july 2, 2008)
+	 */
+	if (n > 0)
 	{
-		ibuf[n] = 0;
-		return ibuf;
+		ReadBuffer[n] = 0;
+		return ReadBuffer;
 	}
 	else
 	{
 		int err = errno;
 		if (err == EAGAIN)
-		{
 			return "";
-		}
 		else
-		{
-			if (!n)
-				this->Instance->Log(DEBUG,"EOF or error on socket: EOF");
-			else
-				this->Instance->Log(DEBUG,"EOF or error on socket: %s",strerror(err));
 			return NULL;
-		}
 	}
 }
 
-void InspSocket::MarkAsClosed()
-{
-	this->Instance->Log(DEBUG,"Marked as closed");
-}
-
-// There are two possible outcomes to this function.
-// It will either write all of the data, or an undefined amount.
-// If an undefined amount is written the connection has failed
-// and should be aborted.
-int InspSocket::Write(const std::string &data)
+/*
+ * This function formerly tried to flush write buffer each call.
+ * While admirable in attempting to get the data out to wherever
+ * it is going, on a full socket, it's just going to syscall write() and
+ * EAGAIN constantly, instead of waiting in the SE to know if it can write
+ * which will chew a bit of CPU.
+ *
+ * So, now this function returns void (take note) and just adds to the sendq.
+ *
+ * It'll get written at a determinate point when the socketengine tells us it can write.
+ *		-- w00t (april 1, 2008)
+ */
+void BufferedSocket::Write(const std::string &data)
 {
-	/* Try and append the data to the back of the queue, and send it on its way
-	 */
+	/* Append the data to the back of the queue ready for writing */
 	outbuffer.push_back(data);
-	this->Instance->SE->WantWrite(this);
-	return (!this->FlushWriteBuffer());
+
+	/* Mark ourselves as wanting write */
+	this->ServerInstance->SE->WantWrite(this);
 }
 
-bool InspSocket::FlushWriteBuffer()
+bool BufferedSocket::FlushWriteBuffer()
 {
 	errno = 0;
 	if ((this->fd > -1) && (this->state == I_CONNECTED))
 	{
-		if (this->IsIOHooked)
+		if (this->GetIOHook())
 		{
 			while (outbuffer.size() && (errno != EAGAIN))
 			{
 				try
 				{
-					int result = Instance->Config->GetIOHook(this)->OnRawSocketWrite(this->fd, outbuffer[0].c_str(), outbuffer[0].length());
-					if (result > 0)
-					{
-						if ((unsigned int)result == outbuffer[0].length())
-						{
-							outbuffer.pop_front();
-						}
-						else
-						{
-							std::string temp = outbuffer[0].substr(result);
-							outbuffer[0] = temp;
-							errno = EAGAIN;
-						}
-					}
-					else if ((result == -1) && (errno != EAGAIN))
-					{
-						this->Instance->Log(DEBUG,"Write error on socket: %s",strerror(errno));
-						this->OnError(I_ERR_WRITE);
-						this->state = I_ERROR;
-						this->Instance->SE->DelFd(this);
-						this->Close();
-						return true;
-					}
-					else if (result == 0)
-					{
-						this->Instance->Log(DEBUG,"Write error on socket: EOF");
-						this->OnError(I_ERR_WRITE);
-						this->state = I_ERROR;
-						this->Instance->SE->DelFd(this);
-						this->Close();
-						return true;
-					}
+					/* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to
+					 * implement their own buffering mechanisms
+					 */
+					this->GetIOHook()->OnRawSocketWrite(this->fd, outbuffer[0].c_str(), outbuffer[0].length());
+					outbuffer.pop_front();
 				}
 				catch (CoreException& modexcept)
 				{
-					Instance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+					ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
 					return true;
 				}
 			}
@@ -412,10 +348,11 @@ bool InspSocket::FlushWriteBuffer()
 			while (outbuffer.size() && (errno != EAGAIN))
 			{
 				/* Send a line */
-				int result = write(this->fd,outbuffer[0].c_str(),outbuffer[0].length());
+				int result = ServerInstance->SE->Send(this, outbuffer[0].c_str(), outbuffer[0].length(), 0);
+
 				if (result > 0)
 				{
-					if ((unsigned int)result == outbuffer[0].length())
+					if ((unsigned int)result >= outbuffer[0].length())
 					{
 						/* The whole block was written (usually a line)
 						 * Pop the block off the front of the queue,
@@ -436,12 +373,17 @@ bool InspSocket::FlushWriteBuffer()
 						errno = EAGAIN;
 					}
 				}
+				else if (result == 0)
+				{
+					this->ServerInstance->SE->DelFd(this);
+					this->Close();
+					return true;
+				}
 				else if ((result == -1) && (errno != EAGAIN))
 				{
-					this->Instance->Log(DEBUG,"Write error on socket: %s",strerror(errno));
 					this->OnError(I_ERR_WRITE);
 					this->state = I_ERROR;
-					this->Instance->SE->DelFd(this);
+					this->ServerInstance->SE->DelFd(this);
 					this->Close();
 					return true;
 				}
@@ -451,201 +393,158 @@ bool InspSocket::FlushWriteBuffer()
 
 	if ((errno == EAGAIN) && (fd > -1))
 	{
-		this->Instance->SE->WantWrite(this);
+		this->ServerInstance->SE->WantWrite(this);
 	}
 
 	return (fd < 0);
 }
 
-void SocketTimeout::Tick(time_t now)
+void SocketTimeout::Tick(time_t)
 {
+	ServerInstance->Logs->Log("SOCKET", DEBUG,"SocketTimeout::Tick");
+
 	if (ServerInstance->SE->GetRef(this->sfd) != this->sock)
-	{
-		ServerInstance->Log(DEBUG,"Our socket has been deleted before the timeout was reached.");
 		return;
-	}
 
 	if (this->sock->state == I_CONNECTING)
 	{
-		ServerInstance->Log(DEBUG,"Timed out, current=%lu",now);
-		// for non-listening sockets, the timeout can occur
+		// for connecting sockets, the timeout can occur
 		// which causes termination of the connection after
 		// the given number of seconds without a successful
 		// connection.
 		this->sock->OnTimeout();
 		this->sock->OnError(I_ERR_TIMEOUT);
-		this->sock->timeout = true;
-		ServerInstance->SE->DelFd(this->sock);
+
 		/* NOTE: We must set this AFTER DelFd, as we added
 		 * this socket whilst writeable. This means that we
 		 * must DELETE the socket whilst writeable too!
 		 */
 		this->sock->state = I_ERROR;
-		this->sock->Close();
-		delete this->sock;
-		return;
+
+		if (ServerInstance->SocketCull.find(this->sock) == ServerInstance->SocketCull.end())
+			ServerInstance->SocketCull[this->sock] = this->sock;
 	}
+
+	this->sock->Timeout = NULL;
 }
 
-bool InspSocket::Poll()
+bool BufferedSocket::InternalMarkConnected()
 {
-	if (this->Instance->SE->GetRef(this->fd) != this)
-		return false;
-
-	int incoming = -1;
-
-	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
-		return false;
+	/* Our socket was in write-state, so delete it and re-add it
+	 * in read-state.
+	 */
+	this->SetState(I_CONNECTED);
 
-	switch (this->state)
+	if (this->GetIOHook())
 	{
-		case I_CONNECTING:
-			this->Instance->Log(DEBUG,"State = I_CONNECTING");
-			/* Our socket was in write-state, so delete it and re-add it
-			 * in read-state.
-			 */
-			if (this->fd > -1)
-			{
-				this->Instance->SE->DelFd(this);
-				this->SetState(I_CONNECTED);
-				if (!this->Instance->SE->AddFd(this))
-					return false;
-			}
-			if (Instance->Config->GetIOHook(this))
-			{
-				try
-				{
-					Instance->Config->GetIOHook(this)->OnRawSocketConnect(this->fd);
-				}
-				catch (CoreException& modexcept)
-				{
-					Instance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
-				}
-			}
-			return this->OnConnected();
-		break;
-		case I_LISTENING:
-			length = sizeof (client);
-			incoming = accept (this->fd, (sockaddr*)&client,&length);
-
-#ifdef IPV6
-			this->OnIncomingConnection(incoming, (char*)insp_ntoa(client.sin6_addr));
-#else
-			this->OnIncomingConnection(incoming, (char*)insp_ntoa(client.sin_addr));
-#endif
-
-			if (this->IsIOHooked)
-			{
-				try
-				{
-#ifdef IPV6
-					Instance->Config->GetIOHook(this)->OnRawSocketAccept(incoming, insp_ntoa(client.sin6_addr), this->port);
-#else
-					Instance->Config->GetIOHook(this)->OnRawSocketAccept(incoming, insp_ntoa(client.sin_addr), this->port);
-#endif
-				}
-				catch (CoreException& modexcept)
-				{
-					Instance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
-				}
-			}
-
-			this->SetQueues(incoming);
-			return true;
-		break;
-		case I_CONNECTED:
-			/* Process the read event */
-			return this->OnDataReady();
-		break;
-		default:
-		break;
+		ServerInstance->Logs->Log("SOCKET",DEBUG,"Hook for raw connect");
+		try
+		{
+			this->GetIOHook()->OnRawSocketConnect(this->fd);
+		}
+		catch (CoreException& modexcept)
+		{
+			ServerInstance->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+			return false;
+		}
 	}
-	return true;
+	return this->OnConnected();
 }
 
-void InspSocket::SetState(InspSocketState s)
+void BufferedSocket::SetState(BufferedSocketState s)
 {
-	this->Instance->Log(DEBUG,"Socket state change");
 	this->state = s;
 }
 
-InspSocketState InspSocket::GetState()
+BufferedSocketState BufferedSocket::GetState()
 {
 	return this->state;
 }
 
-int InspSocket::GetFd()
+bool BufferedSocket::OnConnected() { return true; }
+void BufferedSocket::OnError(BufferedSocketError) { return; }
+int BufferedSocket::OnDisconnect() { return 0; }
+bool BufferedSocket::OnDataReady() { return true; }
+bool BufferedSocket::OnWriteReady()
 {
-	return this->fd;
+	// Default behaviour: just try write some.
+	return !this->FlushWriteBuffer();
 }
+void BufferedSocket::OnTimeout() { return; }
+void BufferedSocket::OnClose() { return; }
 
-bool InspSocket::OnConnected() { return true; }
-void InspSocket::OnError(InspSocketError e) { return; }
-int InspSocket::OnDisconnect() { return 0; }
-int InspSocket::OnIncomingConnection(int newfd, char* ip) { return 0; }
-bool InspSocket::OnDataReady() { return true; }
-bool InspSocket::OnWriteReady() { return true; }
-void InspSocket::OnTimeout() { return; }
-void InspSocket::OnClose() { return; }
-
-InspSocket::~InspSocket()
+BufferedSocket::~BufferedSocket()
 {
 	this->Close();
+	if (Timeout)
+	{
+		ServerInstance->Timers->DelTimer(Timeout);
+		Timeout = NULL;
+	}
 }
 
-void InspSocket::HandleEvent(EventType et, int errornum)
+void BufferedSocket::HandleEvent(EventType et, int errornum)
 {
 	switch (et)
 	{
 		case EVENT_ERROR:
-			this->Instance->SE->DelFd(this);
-			this->Close();
-			delete this;
+		{
+			switch (errornum)
+			{
+				case ETIMEDOUT:
+					this->OnError(I_ERR_TIMEOUT);
+					break;
+				case ECONNREFUSED:
+				case 0:
+					this->OnError(this->state == I_CONNECTING ? I_ERR_CONNECT : I_ERR_WRITE);
+					break;
+				case EADDRINUSE:
+					this->OnError(I_ERR_BIND);
+					break;
+				case EPIPE:
+				case EIO:
+					this->OnError(I_ERR_WRITE);
+					break;
+			}
+
+			if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+				this->ServerInstance->SocketCull[this] = this;
 			return;
-		break;
+			break;
+		}
 		case EVENT_READ:
-			if (!this->Poll())
+		{
+			if (!this->OnDataReady())
 			{
-				this->Instance->SE->DelFd(this);
-				this->Close();
-				delete this;
+				if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+					this->ServerInstance->SocketCull[this] = this;
 				return;
 			}
-		break;
+			break;
+		}
 		case EVENT_WRITE:
-			if (this->WaitingForWriteEvent)
+		{
+			if (this->state == I_CONNECTING)
 			{
-				this->WaitingForWriteEvent = false;
-				if (!this->OnWriteReady())
+				if (!this->InternalMarkConnected())
 				{
-					this->Instance->SE->DelFd(this);
-					this->Close();
-					delete this;
+					if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+						this->ServerInstance->SocketCull[this] = this;
 					return;
 				}
-			}
-			if (this->state == I_CONNECTING)
-			{
-				/* This might look wrong as if we should be actually calling
-				 * with EVENT_WRITE, but trust me it is correct. There are some
-				 * writeability-state things in the read code, because of how
-				 * InspSocket used to work regarding write buffering in previous
-				 * versions of InspIRCd. - Brain
-				 */
-				this->HandleEvent(EVENT_READ);
 				return;
 			}
 			else
 			{
-				if (this->FlushWriteBuffer())
+				if (!this->OnWriteReady())
 				{
-					this->Instance->SE->DelFd(this);
-					this->Close();
-					delete this;
+					if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+						this->ServerInstance->SocketCull[this] = this;
 					return;
 				}
 			}
-		break;
+			break;
+		}
 	}
 }