X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspsocket.cpp;h=964582062db41f2e4daec79154c81c177d645cdb;hb=e2af2347fc035d702e45f12e772223a8d578410d;hp=fc0f7537ad239bb4c2aec3781b96ad4ac7154664;hpb=3af9d9b0605a503ed16a8b8314587451979103d7;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspsocket.cpp b/src/inspsocket.cpp index fc0f7537a..964582062 100644 --- a/src/inspsocket.cpp +++ b/src/inspsocket.cpp @@ -2,645 +2,410 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * 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. * * --------------------------------------------------- */ +#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() -{ - return ((this->state != I_CONNECTING) && (this->WaitingForWriteEvent == false)); -} -InspSocket::InspSocket(InspIRCd* SI) +BufferedSocket::BufferedSocket() { - this->state = I_DISCONNECTED; - this->fd = -1; - this->WaitingForWriteEvent = false; - this->Instance = SI; - this->IsIOHooked = false; + Timeout = NULL; + state = I_ERROR; } -InspSocket::InspSocket(InspIRCd* SI, int newfd, const char* ip) +BufferedSocket::BufferedSocket(int newfd) { + Timeout = NULL; this->fd = newfd; this->state = I_CONNECTED; - strlcpy(this->IP,ip,MAXBUF); - this->WaitingForWriteEvent = false; - this->Instance = SI; - this->IsIOHooked = false; - if (this->fd > -1) - this->Instance->SE->AddFd(this); + if (fd > -1) + ServerInstance->SE->AddFd(this); } -InspSocket::InspSocket(InspIRCd* SI, const std::string &ipaddr, int aport, bool listening, unsigned long maxtime) +void BufferedSocket::DoConnect(const std::string &ipaddr, int aport, unsigned long maxtime, const std::string &connectbindip) { - this->fd = -1; - this->Instance = SI; - strlcpy(host,ipaddr.c_str(),MAXBUF); - this->WaitingForWriteEvent = false; - this->IsIOHooked = false; - if (listening) + BufferedSocketError err = BeginConnect(ipaddr, aport, maxtime, connectbindip); + if (err != I_ERR_NONE) { - 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; - } - } + state = I_ERROR; + SetError(strerror(errno)); + OnError(err); } - else +} + +BufferedSocketError BufferedSocket::BeginConnect(const std::string &ipaddr, int aport, unsigned long maxtime, const std::string &connectbindip) +{ + irc::sockets::sockaddrs addr, bind; + if (!irc::sockets::aptosa(ipaddr.c_str(), aport, &addr)) { - strlcpy(this->host,ipaddr.c_str(),MAXBUF); - this->port = aport; + ServerInstance->Logs->Log("SOCKET", DEBUG, "BUG: Hostname passed to BufferedSocket, rather than an IP address!"); + return I_ERR_CONNECT; + } - if (insp_aton(host,&addy) < 1) - { - 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; - } - else + bind.sa.sa_family = 0; + if (!connectbindip.empty()) + { + if (!irc::sockets::aptosa(connectbindip.c_str(), 0, &bind)) { - this->Instance->Log(DEBUG,"No need to resolve %s",this->host); - strlcpy(this->IP,host,MAXBUF); - timeout_val = maxtime; - this->DoConnect(); + return I_ERR_BIND; } } -} -void InspSocket::WantWrite() -{ - this->Instance->SE->WantWrite(this); - this->WaitingForWriteEvent = true; + return BeginConnect(addr, bind, maxtime); } -void InspSocket::SetQueues(int nfd) +static void IncreaseOSBuffers(int fd) { // 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)); + setsockopt(fd,SOL_SOCKET,SO_SNDBUF,(const char *)&sendbuf,sizeof(sendbuf)); + setsockopt(fd,SOL_SOCKET,SO_RCVBUF,(const char *)&recvbuf,sizeof(recvbuf)); + // on failure, 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. } -/* Most irc servers require you to specify the ip you want to bind to. - * If you dont specify an IP, they rather dumbly bind to the first IP - * of the box (e.g. INADDR_ANY). In InspIRCd, we scan thought the IP - * addresses we've bound server ports to, and we try and bind our outbound - * connections to the first usable non-loopback and non-any IP we find. - * This is easier to configure when you have a lot of links and a lot - * of servers to configure. - */ -bool InspSocket::BindAddr() +BufferedSocketError BufferedSocket::BeginConnect(const irc::sockets::sockaddrs& dest, const irc::sockets::sockaddrs& bind, unsigned long timeout) { - insp_inaddr n; - ConfigReader Conf(this->Instance); - - this->Instance->Log(DEBUG,"In InspSocket::BindAddr()"); - for (int j =0; j < Conf.Enumerate("bind"); j++) - { - 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; + if (fd < 0) + fd = socket(dest.sa.sa_family, SOCK_STREAM, 0); - 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()); - } - } - } - } - this->Instance->Log(DEBUG,"Found no suitable IPs to bind, binding INADDR_ANY"); - return true; -} + if (fd < 0) + return I_ERR_SOCKET; -bool InspSocket::DoConnect() -{ - this->Instance->Log(DEBUG,"In DoConnect()"); - if ((this->fd = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1) + if (bind.sa.sa_family != 0) { - this->Instance->Log(DEBUG,"Cant socket()"); - this->state = I_ERROR; - this->OnError(I_ERR_SOCKET); - return false; + if (ServerInstance->SE->Bind(fd, &bind.sa, sa_size(bind)) < 0) + return I_ERR_BIND; } - if ((strstr(this->IP,"::ffff:") != (char*)&this->IP) && (strstr(this->IP,"::FFFF:") != (char*)&this->IP)) - { - if (!this->BindAddr()) - return false; - } + ServerInstance->SE->NonBlocking(fd); - 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) + if (ServerInstance->SE->Connect(this, &dest.sa, sa_size(dest)) == -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); + return I_ERR_CONNECT; } + this->state = I_CONNECTING; - if (this->fd > -1) - { - if (!this->Instance->SE->AddFd(this)) - { - this->OnError(I_ERR_NOMOREFDS); - this->Close(); - this->state = I_ERROR; - return false; - } - this->SetQueues(this->fd); - } - this->Instance->Log(DEBUG,"Returning true from InspSocket::DoConnect"); - return true; -} + if (!ServerInstance->SE->AddFd(this, true)) + return I_ERR_NOMOREFDS; -void InspSocket::Close() + this->Timeout = new SocketTimeout(this->GetFd(), this, timeout, ServerInstance->Time()); + ServerInstance->Timers->AddTimer(this->Timeout); + + IncreaseOSBuffers(fd); + + ServerInstance->Logs->Log("SOCKET", DEBUG,"BufferedSocket::DoConnect success"); + return I_ERR_NONE; +} + +void StreamSocket::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 (IOHook) { try { - Instance->Config->GetIOHook(this)->OnRawSocketClose(this->fd); + IOHook->OnStreamSocketClose(this); } - 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); + ServerInstance->SE->DelFd(this); + ServerInstance->SE->Close(this); + fd = -1; } + errno = save; } -std::string InspSocket::GetIP() +void StreamSocket::cull() { - return this->IP; + Close(); } -char* InspSocket::Read() +bool StreamSocket::GetNextLine(std::string& line, char delim) { - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) - return NULL; - - int n = 0; + std::string::size_type i = recvq.find(delim); + if (i == std::string::npos) + return false; + line = recvq.substr(0, i - 1); + // TODO is this the most efficient way to split? + recvq = recvq.substr(i + 1); + return true; +} - if (this->IsIOHooked) +void StreamSocket::DoRead() +{ + if (IOHook) { - int result2 = 0; - int MOD_RESULT = 0; + int rv = -1; try { - MOD_RESULT = Instance->Config->GetIOHook(this)->OnRawSocketRead(this->fd,this->ibuf,sizeof(this->ibuf),result2); - } - catch (ModuleException& modexcept) - { - Instance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); - } - if (MOD_RESULT < 0) - { - n = -1; - errno = EAGAIN; + rv = IOHook->OnStreamSocketRead(this, recvq); } - else + catch (CoreException& modexcept) { - n = result2; + ServerInstance->Logs->Log("SOCKET", DEFAULT, "%s threw an exception: %s", + modexcept.GetSource(), modexcept.GetReason()); + return; } + if (rv > 0) + OnDataReady(); + if (rv < 0) + SetError("Read Error"); // will not overwrite a better error message } else { - n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0); - } - - if ((n > 0) && (n <= (int)sizeof(this->ibuf))) - { - ibuf[n] = 0; - return ibuf; - } - else - { - int err = errno; - if (err == EAGAIN) + char* ReadBuffer = ServerInstance->GetReadBuffer(); + int n = recv(fd, ReadBuffer, ServerInstance->Config->NetBufferSize, 0); + if (n > 0) + { + recvq.append(ReadBuffer, n); + OnDataReady(); + } + else if (n == 0) { - return ""; + error = "Connection closed"; } - else + else if (errno != EAGAIN && errno != EINTR) { - 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; + error = strerror(errno); } } } -void InspSocket::MarkAsClosed() +void StreamSocket::DoWrite() { - 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) -{ - /* Try and append the data to the back of the queue, and send it on its way - */ - outbuffer.push_back(data); - this->Instance->SE->WantWrite(this); - return (!this->FlushWriteBuffer()); -} + if (sendq.empty()) + return; -bool InspSocket::FlushWriteBuffer() -{ - errno = 0; - if ((this->fd > -1) && (this->state == I_CONNECTED)) + if (IOHook) { - if (this->IsIOHooked) + int rv = -1; + try { - while (outbuffer.size() && (errno != EAGAIN)) + while (!sendq.empty()) { - try + std::string& front = sendq.front(); + int itemlen = front.length(); + rv = IOHook->OnStreamSocketWrite(this, front); + if (rv > 0) { - 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; - } + // consumed the entire string, and is ready for more + sendq_len -= itemlen; + sendq.pop_front(); } - catch (ModuleException& modexcept) + else if (rv == 0) { - Instance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); - return true; + // socket has blocked. Stop trying to send data. + // IOHook has requested unblock notification from the socketengine + + // Since it is possible that a partial write took place, adjust sendq_len + sendq_len = sendq_len - itemlen + front.length(); + return; + } + else + { + SetError("Write Error"); // will not overwrite a better error message + return; } } } - else + catch (CoreException& modexcept) + { + ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", + modexcept.GetSource(), modexcept.GetReason()); + } + } + else + { + // Prepare a writev() call to write all buffers efficiently + int bufcount = sendq.size(); + + // cap the number of buffers at IOV_MAX + if (bufcount > IOV_MAX) + bufcount = IOV_MAX; + + iovec* iovecs = new iovec[bufcount]; + for(int i=0; i < bufcount; i++) + { + iovecs[i].iov_base = const_cast(sendq[i].data()); + iovecs[i].iov_len = sendq[i].length(); + } + int rv = writev(fd, iovecs, bufcount); + delete[] iovecs; + if (rv == (int)sendq_len) { - /* If we have multiple lines, try to send them all, - * not just the first one -- Brain - */ - while (outbuffer.size() && (errno != EAGAIN)) + // it's our lucky day, everything got written out. Fast cleanup. + sendq_len = 0; + sendq.clear(); + } + else if (rv > 0) + { + // Partial write. Clean out strings from the sendq + sendq_len -= rv; + while (rv > 0 && !sendq.empty()) { - /* Send a line */ - int result = write(this->fd,outbuffer[0].c_str(),outbuffer[0].length()); - if (result > 0) + std::string& front = sendq.front(); + if (front.length() < (size_t)rv) { - if ((unsigned int)result == outbuffer[0].length()) - { - /* The whole block was written (usually a line) - * Pop the block off the front of the queue, - * dont set errno, because we are clear of errors - * and want to try and write the next block too. - */ - outbuffer.pop_front(); - } - else - { - std::string temp = outbuffer[0].substr(result); - outbuffer[0] = temp; - /* We didnt get the whole line out. arses. - * Try again next time, i guess. Set errno, - * because we shouldnt be writing any more now, - * until the socketengine says its safe to do so. - */ - errno = EAGAIN; - } + // this string got fully written out + rv -= front.length(); + sendq.pop_front(); } - else if ((result == -1) && (errno != EAGAIN)) + else { - 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; + // stopped in the middle of this string + front = front.substr(rv); + rv = 0; } } } + else if (rv == 0) + { + error = "Connection closed"; + } + else if (errno != EAGAIN && errno != EINTR) + { + error = strerror(errno); + } + if (sendq_len && error.empty()) + ServerInstance->SE->WantWrite(this); } +} - if ((errno == EAGAIN) && (fd > -1)) +void StreamSocket::WriteData(const std::string &data) +{ + bool newWrite = sendq.empty() && !data.empty(); + + /* Append the data to the back of the queue ready for writing */ + sendq.push_back(data); + sendq_len += data.length(); + + if (newWrite) { - this->Instance->SE->WantWrite(this); + // TODO perhaps we should try writing first, before asking SE about writes? + // DoWrite(); + 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; - } -} - -bool InspSocket::Poll() -{ - if (this->Instance->SE->GetRef(this->fd) != this) - return false; - - int incoming = -1; - - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) - return false; - - switch (this->state) - { - 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 (this->IsIOHooked) - { - 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->GlobalCulls.AddItem(sock); } - return true; -} -void InspSocket::SetState(InspSocketState s) -{ - this->Instance->Log(DEBUG,"Socket state change"); - this->state = s; + this->sock->Timeout = NULL; } -InspSocketState InspSocket::GetState() -{ - return this->state; -} +void BufferedSocket::OnConnected() { } +void BufferedSocket::OnTimeout() { return; } -int InspSocket::GetFd() +void BufferedSocket::DoWrite() { - return this->fd; + if (state == I_CONNECTING) + { + state = I_CONNECTED; + this->OnConnected(); + if (GetIOHook()) + GetIOHook()->OnStreamSocketConnect(this); + } + this->StreamSocket::DoWrite(); } -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 StreamSocket::HandleEvent(EventType et, int errornum) { + BufferedSocketError errcode = I_ERR_OTHER; switch (et) { case EVENT_ERROR: - this->Instance->SE->DelFd(this); - this->Close(); - delete this; - return; - break; - case EVENT_READ: - if (!this->Poll()) + { + SetError(strerror(errornum)); + switch (errornum) { - this->Instance->SE->DelFd(this); - this->Close(); - delete this; - return; + case ETIMEDOUT: + errcode = I_ERR_TIMEOUT; + break; + case ECONNREFUSED: + case 0: + errcode = I_ERR_CONNECT; + break; + case EADDRINUSE: + errcode = I_ERR_BIND; + break; + case EPIPE: + case EIO: + errcode = I_ERR_WRITE; + break; } - break; + break; + } + case EVENT_READ: + { + DoRead(); + break; + } case EVENT_WRITE: - if (this->WaitingForWriteEvent) - { - this->WaitingForWriteEvent = false; - if (!this->OnWriteReady()) - { - this->Instance->SE->DelFd(this); - this->Close(); - delete 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()) - { - this->Instance->SE->DelFd(this); - this->Close(); - delete this; - return; - } - } - break; + { + DoWrite(); + break; + } + } + if (!error.empty()) + { + ServerInstance->Logs->Log("SOCKET", DEBUG, "Error on FD %d - '%s'", fd, error.c_str()); + OnError(errcode); + ServerInstance->GlobalCulls.AddItem(this); } }