* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * 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.
*
* ---------------------------------------------------
*/
+/* $Core */
+
#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;
+
+ bool ipvalid = true;
+#ifdef IPV6
+ if (strchr(host,':'))
+ {
+ in6_addr n;
+ if (inet_pton(AF_INET6, host, &n) < 1)
+ ipvalid = false;
+ }
+ else
+#endif
{
- if ((this->fd = OpenTCPSocket()) == ERROR)
+ in_addr n;
+ if (inet_aton(host,&n) < 1)
+ ipvalid = false;
+ }
+ if (!ipvalid)
+ {
+ 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->IP,host,MAXBUF);
+ if (!this->DoConnect(maxtime))
{
+ this->OnError(I_ERR_CONNECT);
+ this->Close();
this->fd = -1;
this->state = I_ERROR;
- this->OnError(I_ERR_SOCKET);
- this->Instance->Log(DEBUG,"OpenTCPSocket() error");
return;
}
+ }
+}
+
+void BufferedSocket::SetQueues()
+{
+ // attempt to increase socket sendq and recvq as high as its possible
+ int sendbuf = 32768;
+ int recvbuf = 32768;
+ 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 ¤t_ip, bool v6)
+{
+ /* The [2] is required because we may write a sockaddr_in6 here, and sockaddr_in6 is larger than sockaddr, where sockaddr_in4 is not. */
+ socklen_t size = sizeof(sockaddr_in);
+ sockaddr* s = new sockaddr[2];
+#ifdef IPV6
+ if (v6)
+ {
+ in6_addr n;
+ if (inet_pton(AF_INET6, current_ip.c_str(), &n) > 0)
+ {
+ memcpy(&((sockaddr_in6*)s)->sin6_addr, &n, sizeof(sockaddr_in6));
+ ((sockaddr_in6*)s)->sin6_port = 0;
+ ((sockaddr_in6*)s)->sin6_family = AF_INET6;
+ size = sizeof(sockaddr_in6);
+ }
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;
- }
- }
+ // Well, this is as good as it's gonna get.
+ errno = EADDRNOTAVAIL;
+ delete[] s;
+ return false;
+ }
}
else
+#endif
{
- strlcpy(this->host,ipaddr.c_str(),MAXBUF);
- this->port = aport;
-
- if (insp_aton(host,&addy) < 1)
+ in_addr n;
+ if (inet_aton(current_ip.c_str(), &n) > 0)
{
- this->Instance->Log(DEBUG,"You cannot pass hostnames to InspSocket, resolve them first with Resolver!");
- this->Close();
- this->fd = -1;
- this->state = I_ERROR;
- this->OnError(I_ERR_RESOLVE);
- return;
+ ((sockaddr_in*)s)->sin_addr = n;
+ ((sockaddr_in*)s)->sin_port = 0;
+ ((sockaddr_in*)s)->sin_family = AF_INET;
}
else
{
- this->Instance->Log(DEBUG,"No need to resolve %s",this->host);
- strlcpy(this->IP,host,MAXBUF);
- timeout_val = maxtime;
- this->DoConnect();
+ // Well, this is as good as it's gonna get.
+ errno = EADDRNOTAVAIL;
+ delete[] s;
+ return false;
}
}
-}
-void InspSocket::WantWrite()
-{
- this->Instance->SE->WantWrite(this);
- this->WaitingForWriteEvent = true;
-}
+ if (ServerInstance->SE->Bind(this->fd, s, size) < 0)
+ {
+ this->state = I_ERROR;
+ this->OnError(I_ERR_BIND);
+ delete[] s;
+ return false;
+ }
-void InspSocket::SetQueues(int nfd)
-{
- // 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));
+ delete[] s;
+ return true;
}
/* Most irc servers require you to specify the ip you want to bind to.
* 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);
+ bool v6 = false;
+#ifdef IPV6
+ /* Are we looking for a binding to fit an ipv6 host? */
+ if ((ip_to_bind.empty()) || (ip_to_bind.find(':') != std::string::npos))
+ v6 = true;
+#endif
- 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, v6);
+ }
- if (insp_aton(IP.c_str(),&n) > 0)
- {
- this->Instance->Log(DEBUG,"Found an IP to bind to: %s",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, v6))
+ return true;
+ }
+
+ // 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 BufferedSocket::DoConnect(unsigned long maxtime)
+{
+ /* The [2] is required because we may write a sockaddr_in6 here, and sockaddr_in6 is larger than sockaddr, where sockaddr_in4 is not. */
+ sockaddr* addr = new sockaddr[2];
+ socklen_t size = sizeof(sockaddr_in);
#ifdef IPV6
- s.sin6_addr = n;
- s.sin6_family = AF_FAMILY;
-#else
- s.sin_addr = n;
- s.sin_family = AF_FAMILY;
+ bool v6 = false;
+ if ((!*this->host) || strchr(this->host, ':'))
+ v6 = true;
+
+ if (v6)
+ {
+ this->fd = socket(AF_INET6, SOCK_STREAM, 0);
+ if ((this->fd > -1) && ((strstr(this->IP,"::ffff:") != (char*)&this->IP) && (strstr(this->IP,"::FFFF:") != (char*)&this->IP)))
+ {
+ if (!this->BindAddr(this->cbindip))
+ {
+ this->Close();
+ this->fd = -1;
+ delete[] addr;
+ return false;
+ }
+ }
+ }
+ else
#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());
- }
+ {
+ this->fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (this->fd > -1)
+ {
+ if (!this->BindAddr(this->cbindip))
+ {
+ this->Close();
+ this->fd = -1;
+ delete[] addr;
+ return false;
}
}
}
- this->Instance->Log(DEBUG,"Found no suitable IPs to bind, binding INADDR_ANY");
- return true;
-}
-bool InspSocket::DoConnect()
-{
- this->Instance->Log(DEBUG,"In DoConnect()");
- if ((this->fd = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+ if (this->fd == -1)
{
- this->Instance->Log(DEBUG,"Cant socket()");
this->state = I_ERROR;
this->OnError(I_ERR_SOCKET);
+ delete[] addr;
return false;
}
- if ((strstr(this->IP,"::ffff:") != (char*)&this->IP) && (strstr(this->IP,"::FFFF:") != (char*)&this->IP))
+#ifdef IPV6
+ if (v6)
{
- if (!this->BindAddr())
- return false;
+ in6_addr addy;
+ if (inet_pton(AF_INET6, this->host, &addy) > 0)
+ {
+ ((sockaddr_in6*)addr)->sin6_family = AF_INET6;
+ memcpy(&((sockaddr_in6*)addr)->sin6_addr, &addy, sizeof(addy));
+ ((sockaddr_in6*)addr)->sin6_port = htons(this->port);
+ size = sizeof(sockaddr_in6);
+ }
}
-
- 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);
+ else
#endif
+ {
+ in_addr addy;
+ if (inet_aton(this->host, &addy) > 0)
+ {
+ ((sockaddr_in*)addr)->sin_family = AF_INET;
+ ((sockaddr_in*)addr)->sin_addr = addy;
+ ((sockaddr_in*)addr)->sin_port = htons(this->port);
+ }
+ }
- int flags;
- flags = fcntl(this->fd, F_GETFL, 0);
- fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
+ ServerInstance->SE->NonBlocking(this->fd);
- if (connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
+ if (ServerInstance->SE->Connect(this, (sockaddr*)addr, size) == -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;
+ delete[] addr;
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;
+ delete[] addr;
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 (ModuleException& modexcept)
+ catch (CoreException& modexcept)
{
- Instance->Log(DEBUG,"Module exception cought: %s",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 (ModuleException& modexcept)
+ catch (CoreException& modexcept)
{
- Instance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
if (MOD_RESULT < 0)
{
}
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;
- }
+ /* 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 (ModuleException& modexcept)
+ catch (CoreException& modexcept)
{
- Instance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
return true;
}
}
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,
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;
}
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 (ModuleException& modexcept)
- {
- Instance->Log(DEBUG,"Module exception cought: %s",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 (ModuleException& modexcept)
- {
- Instance->Log(DEBUG,"Module exception cought: %s",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
{
- Instance->Log(DEBUG,"State=%d CONNECTED=%d", this->state, I_CONNECTED);
- 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;
+ }
}
}
projects / user / henk / code / inspircd.git / blobdiff