X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspsocket.cpp;h=a46dffec8323f8f63272643c244d361ba72932c8;hb=71f7e47bcd7b72d7999daa9f061c8850b5a6521b;hp=3eddb6f6235c87b95f424734705bcb2852e57cfc;hpb=ac3af8b61e9601d9585510d99891e993eb3a2722;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspsocket.cpp b/src/inspsocket.cpp index 3eddb6f62..a46dffec8 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. @@ -11,146 +11,151 @@ * --------------------------------------------------- */ +/* $Core */ + #include "socket.h" -#include "configreader.h" #include "inspstring.h" #include "socketengine.h" #include "inspircd.h" -using irc::sockets::OpenTCPSocket; - -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, const std::string &connectbindip) +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; this->Timeout = NULL; - if (listening) + + strlcpy(this->host,ipaddr.c_str(),MAXBUF); + this->port = aport; + + bool ipvalid = true; +#ifdef IPV6 + if (strchr(host,':')) { - if ((this->fd = OpenTCPSocket(host)) == ERROR) + in6_addr n; + if (inet_pton(AF_INET6, host, &n) < 1) + ipvalid = false; + } + else +#endif + { + 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); return; } - else - { - if (!SI->BindSocket(this->fd,aport,(char*)ipaddr.c_str())) - { - this->Close(); - this->fd = -1; - this->state = I_ERROR; - this->OnError(I_ERR_BIND); - this->ClosePending = true; - return; - } - else - { - this->state = I_LISTENING; - this->port = aport; - if (this->fd > -1) - { - if (!this->Instance->SE->AddFd(this)) - { - this->Close(); - this->state = I_ERROR; - this->OnError(I_ERR_NOMOREFDS); - } - } - return; - } - } } - else +} + +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))) { - strlcpy(this->host,ipaddr.c_str(),MAXBUF); - this->port = aport; + //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 ipvalid = true; +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 (strchr(host,':')) + if (v6) + { + in6_addr n; + if (inet_pton(AF_INET6, current_ip.c_str(), &n) > 0) { - in6_addr n; - if (inet_pton(AF_INET6, host, &n) < 1) - ipvalid = false; + 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 -#endif { - in_addr n; - if (inet_aton(host,&n) < 1) - ipvalid = false; + // Well, this is as good as it's gonna get. + errno = EADDRNOTAVAIL; + delete[] s; + return false; } - if (!ipvalid) + } + else +#endif + { + in_addr n; + if (inet_aton(current_ip.c_str(), &n) > 0) { - this->Instance->Log(DEBUG,"BUG: Hostname passed to InspSocket, rather than an IP address!"); - this->OnError(I_ERR_CONNECT); - this->Close(); - this->fd = -1; - this->state = I_ERROR; - return; + ((sockaddr_in*)s)->sin_addr = n; + ((sockaddr_in*)s)->sin_port = 0; + ((sockaddr_in*)s)->sin_family = AF_INET; } else { - strlcpy(this->IP,host,MAXBUF); - timeout_val = maxtime; - if (!this->DoConnect()) - { - this->OnError(I_ERR_CONNECT); - this->Close(); - this->fd = -1; - this->state = I_ERROR; - return; - } + // 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; - if(setsockopt(nfd,SOL_SOCKET,SO_SNDBUF,(const char *)&sendbuf,sizeof(sendbuf)) || setsockopt(nfd,SOL_SOCKET,SO_RCVBUF,(const char *)&recvbuf,sizeof(sendbuf))) - this->Instance->Log(DEFAULT, "Could not increase SO_SNDBUF/SO_RCVBUF for socket %u", GetFd()); + delete[] s; + return true; } /* Most irc servers require you to specify the ip you want to bind to. @@ -161,81 +166,58 @@ 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(const std::string &ip) +bool BufferedSocket::BindAddr(const std::string &ip_to_bind) { - ConfigReader Conf(this->Instance); - socklen_t size = sizeof(sockaddr_in); -#ifdef IPV6 + ConfigReader Conf(this->ServerInstance); bool v6 = false; - /* Are we looking for a binding to fit an ipv6 host? */ - if ((ip.empty()) || (ip.find(':') != std::string::npos)) - v6 = true; + + // Case one: If they provided an IP, try bind it + if (!ip_to_bind.empty()) + { +#ifdef IPV6 + // Check whether or not they are binding to an IPv6 IP.. + if (ip_to_bind.find(':') != std::string::npos) + v6 = true; #endif - int j = 0; - while (j < Conf.Enumerate("bind") || (!ip.empty())) + // And if it fails, don't do anything. + return this->DoBindMagic(ip_to_bind, v6); + } + + for (int j = 0; j < Conf.Enumerate("bind"); j++) { - std::string IP = ip.empty() ? Conf.ReadValue("bind","address",j) : ip; - if (!ip.empty() || Conf.ReadValue("bind","type",j) == "servers") - { - if (!ip.empty() || ((IP != "*") && (IP != "127.0.0.1") && (!IP.empty()) && (IP != "::1"))) - { - sockaddr* s = new sockaddr[2]; + // We only want to try bind to a server ip. + if (Conf.ReadValue("bind","type",j) != "servers") + continue; + + // set current IP to the tag + std::string current_ip = Conf.ReadValue("bind","address",j); + #ifdef IPV6 - if (v6) - { - in6_addr n; - if (inet_pton(AF_INET6, IP.c_str(), &n) > 0) - { - memcpy(&((sockaddr_in6*)s)->sin6_addr, &n, sizeof(n)); - ((sockaddr_in6*)s)->sin6_port = 0; - ((sockaddr_in6*)s)->sin6_family = AF_INET6; - size = sizeof(sockaddr_in6); - } - else - { - delete[] s; - j++; - continue; - } - } - else + // Check whether this is for an ipv6 address + if (current_ip.find(':') != std::string::npos) + v6 = true; + else + v6 = false; #endif - { - in_addr n; - if (inet_aton(IP.c_str(), &n) > 0) - { - ((sockaddr_in*)s)->sin_addr = n; - ((sockaddr_in*)s)->sin_port = 0; - ((sockaddr_in*)s)->sin_family = AF_INET; - } - else - { - delete[] s; - j++; - continue; - } - } - if (bind(this->fd, s, size) < 0) - { - this->state = I_ERROR; - this->OnError(I_ERR_BIND); - this->fd = -1; - delete[] s; - return false; - } + // Make sure IP is nothing local + if (current_ip == "*" || current_ip == "127.0.0.1" || current_ip.empty() || current_ip == "::1") + continue; - delete[] s; - return true; - } - } - j++; + // 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 InspSocket::DoConnect() +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 @@ -250,6 +232,8 @@ bool InspSocket::DoConnect() { if (!this->BindAddr(this->cbindip)) { + this->Close(); + this->fd = -1; delete[] addr; return false; } @@ -263,6 +247,8 @@ bool InspSocket::DoConnect() { if (!this->BindAddr(this->cbindip)) { + this->Close(); + this->fd = -1; delete[] addr; return false; } @@ -300,48 +286,44 @@ bool InspSocket::DoConnect() ((sockaddr_in*)addr)->sin_port = htons(this->port); } } -#ifndef WIN32 - int flags = fcntl(this->fd, F_GETFL, 0); - fcntl(this->fd, F_SETFL, flags | O_NONBLOCK); -#else - unsigned long flags = 0; - ioctlsocket(this->fd, FIONBIO, &flags); -#endif - if (connect(this->fd, (sockaddr*)addr, size) == -1) + + ServerInstance->SE->NonBlocking(this->fd); + + if (ServerInstance->SE->Connect(this, (sockaddr*)addr, size) == -1) { if (errno != EINPROGRESS) { 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); } -#ifdef WIN32 - /* Set nonblocking mode after the connect() call */ - flags = 0; - ioctlsocket(this->fd, FIONBIO, &flags); -#endif + 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(); } + + 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 @@ -350,56 +332,51 @@ void InspSocket::Close() 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()); } } - shutdown(this->fd,2); - if (close(this->fd) != -1) + ServerInstance->SE->Shutdown(this, 2); + if (ServerInstance->SE->Close(this) != -1) this->OnClose(); - if (Instance->SocketCull.find(this) == Instance->SocketCull.end()) - Instance->SocketCull[this] = this; + 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 (Instance->SE->BoundsCheckFd(this)) - return NULL; -#ifdef WINDOWS - if ((fd < 0) || (m_internalFd > MAX_DESCRIPTORS)) -#else - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) -#endif + 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) { @@ -413,13 +390,19 @@ 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 { @@ -431,29 +414,33 @@ char* InspSocket::Read() } } -void InspSocket::MarkAsClosed() -{ -} - -// 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)) { @@ -462,12 +449,12 @@ bool InspSocket::FlushWriteBuffer() /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to * implement their own buffering mechanisms */ - Instance->Config->GetIOHook(this)->OnRawSocketWrite(this->fd, outbuffer[0].c_str(), outbuffer[0].length()); + 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; } } @@ -480,11 +467,8 @@ bool InspSocket::FlushWriteBuffer() while (outbuffer.size() && (errno != EAGAIN)) { /* Send a line */ -#ifndef WIN32 - int result = write(this->fd,outbuffer[0].c_str(),outbuffer[0].length()); -#else - int result = send(this->fd,outbuffer[0].c_str(),outbuffer[0].length(), 0); -#endif + int result = ServerInstance->SE->Send(this, outbuffer[0].c_str(), outbuffer[0].length(), 0); + if (result > 0) { if ((unsigned int)result >= outbuffer[0].length()) @@ -508,11 +492,17 @@ 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->OnError(I_ERR_WRITE); this->state = I_ERROR; - this->Instance->SE->DelFd(this); + this->ServerInstance->SE->DelFd(this); this->Close(); return true; } @@ -522,26 +512,27 @@ 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) return; if (this->sock->state == I_CONNECTING) { - // 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; /* NOTE: We must set this AFTER DelFd, as we added * this socket whilst writeable. This means that we @@ -556,202 +547,123 @@ void SocketTimeout::Tick(time_t now) this->sock->Timeout = NULL; } -bool InspSocket::Poll() +bool BufferedSocket::InternalMarkConnected() { -#ifdef WINDOWS - if(Instance->SE->GetRef(this->fd) != this) - return false; - int incoming = -1; -#else - if (this->Instance->SE->GetRef(this->fd) != this) - return false; - - int incoming = -1; + /* Our socket was in write-state, so delete it and re-add it + * in read-state. + */ + this->SetState(I_CONNECTED); - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) - return false; -#endif - switch (this->state) + if (this->GetIOHook()) { - case I_CONNECTING: - /* Our socket was in write-state, so delete it and re-add it - * in read-state. - */ -#ifndef WINDOWS - if (this->fd > -1) - { - this->Instance->SE->DelFd(this); - this->SetState(I_CONNECTED); - if (!this->Instance->SE->AddFd(this)) - return false; - } -#else - this->SetState(I_CONNECTED); -#endif - Instance->Log(DEBUG,"Inspsocket I_CONNECTING state"); - if (Instance->Config->GetIOHook(this)) - { - Instance->Log(DEBUG,"Hook for raw connect"); - 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: + ServerInstance->Logs->Log("SOCKET",DEBUG,"Hook for raw connect"); + try { - sockaddr* client = new sockaddr[2]; - length = sizeof (sockaddr_in); - std::string recvip; -#ifdef IPV6 - if ((!*this->host) || strchr(this->host, ':')) - length = sizeof(sockaddr_in6); -#endif - incoming = _accept (this->fd, client, &length); -#ifdef IPV6 - if ((!*this->host) || strchr(this->host, ':')) - { - char buf[1024]; - recvip = inet_ntop(AF_INET6, &((sockaddr_in6*)client)->sin6_addr, buf, sizeof(buf)); - } - else -#endif - recvip = inet_ntoa(((sockaddr_in*)client)->sin_addr); - this->OnIncomingConnection(incoming, (char*)recvip.c_str()); - - if (this->IsIOHooked) - { - try - { - Instance->Config->GetIOHook(this)->OnRawSocketAccept(incoming, recvip.c_str(), this->port); - } - catch (CoreException& modexcept) - { - Instance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } - - this->SetQueues(incoming); - - delete[] client; - return true; + this->GetIOHook()->OnRawSocketConnect(this->fd); + } + catch (CoreException& modexcept) + { + ServerInstance->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); + return false; } - break; - case I_CONNECTED: - /* Process the read event */ - return this->OnDataReady(); - break; - default: - break; } - return true; + return this->OnConnected(); } -void InspSocket::SetState(InspSocketState s) +void BufferedSocket::SetState(BufferedSocketState s) { 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) { - Instance->Timers->DelTimer(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: + { switch (errornum) { case ETIMEDOUT: this->OnError(I_ERR_TIMEOUT); - break; + break; case ECONNREFUSED: case 0: this->OnError(this->state == I_CONNECTING ? I_ERR_CONNECT : I_ERR_WRITE); - break; + break; case EADDRINUSE: this->OnError(I_ERR_BIND); - break; + break; case EPIPE: case EIO: this->OnError(I_ERR_WRITE); - break; + break; } - if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) - this->Instance->SocketCull[this] = this; + + 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()) { - if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) - this->Instance->SocketCull[this] = 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()) { - if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) - this->Instance->SocketCull[this] = 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()) { - if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) - this->Instance->SocketCull[this] = this; + if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end()) + this->ServerInstance->SocketCull[this] = this; return; } } - break; + break; + } } }