X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspsocket.cpp;h=ea0534f24b704a575f5ba2316ac8efb408596e23;hb=bd6158e7b044f853be0b493c0ccbfc7a5c05082e;hp=2fb811508b7608810b8d835454e055fbca873acd;hpb=5a24ea2be476c47ba8d09292375b6a6835c44611;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspsocket.cpp b/src/inspsocket.cpp index 2fb811508..ea0534f24 100644 --- a/src/inspsocket.cpp +++ b/src/inspsocket.cpp @@ -11,18 +11,16 @@ * --------------------------------------------------- */ -/* $Core: libIRCDinspsocket */ +/* $Core */ #include "socket.h" #include "inspstring.h" #include "socketengine.h" #include "inspircd.h" -using irc::sockets::OpenTCPSocket; - bool BufferedSocket::Readable() { - return ((this->state != I_CONNECTING) && (this->WaitingForWriteEvent == false)); + return (this->state != I_CONNECTING); } BufferedSocket::BufferedSocket(InspIRCd* SI) @@ -30,9 +28,7 @@ BufferedSocket::BufferedSocket(InspIRCd* SI) this->Timeout = NULL; this->state = I_DISCONNECTED; this->fd = -1; - this->WaitingForWriteEvent = false; this->Instance = SI; - this->IsIOHooked = false; } BufferedSocket::BufferedSocket(InspIRCd* SI, int newfd, const char* ip) @@ -41,108 +37,64 @@ BufferedSocket::BufferedSocket(InspIRCd* SI, int newfd, const char* ip) 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); } -BufferedSocket::BufferedSocket(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; 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) - { - 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; - } - } + in6_addr n; + if (inet_pton(AF_INET6, host, &n) < 1) + ipvalid = false; } else - { - 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 + { + in_addr n; + if (inet_aton(host,&n) < 1) + ipvalid = false; + } + if (!ipvalid) + { + this->Instance->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); + timeout_val = maxtime; + if (!this->DoConnect()) { - in_addr n; - if (inet_aton(host,&n) < 1) - ipvalid = false; - } - if (!ipvalid) - { - this->Instance->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); - timeout_val = maxtime; - if (!this->DoConnect()) - { - this->OnError(I_ERR_CONNECT); - this->Close(); - this->fd = -1; - this->state = I_ERROR; - return; - } - } } } void BufferedSocket::WantWrite() { this->Instance->SE->WantWrite(this); - this->WaitingForWriteEvent = true; } void BufferedSocket::SetQueues(int nfd) @@ -359,12 +311,11 @@ void BufferedSocket::Close() int save = errno; if (this->fd > -1) { - if (this->IsIOHooked && Instance->Config->GetIOHook(this)) + if (this->GetIOHook()) { try { - if (this->state != I_LISTENING) - Instance->Config->GetIOHook(this)->OnRawSocketClose(this->fd); + this->GetIOHook()->OnRawSocketClose(this->fd); } catch (CoreException& modexcept) { @@ -392,14 +343,15 @@ const char* BufferedSocket::Read() return NULL; int n = 0; + char* ReadBuffer = Instance->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, Instance->Config->NetBufferSize, result2); } catch (CoreException& modexcept) { @@ -417,13 +369,19 @@ const char* BufferedSocket::Read() } else { - n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0); + n = recv(this->fd, ReadBuffer, Instance->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 { @@ -461,7 +419,7 @@ bool BufferedSocket::FlushWriteBuffer() errno = 0; if ((this->fd > -1) && (this->state == I_CONNECTED)) { - if (this->IsIOHooked) + if (this->GetIOHook()) { while (outbuffer.size() && (errno != EAGAIN)) { @@ -470,7 +428,7 @@ bool BufferedSocket::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) @@ -548,7 +506,7 @@ void SocketTimeout::Tick(time_t) 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. @@ -571,8 +529,6 @@ void SocketTimeout::Tick(time_t) bool BufferedSocket::Poll() { - int incoming = -1; - #ifndef WINDOWS if (!Instance->SE->BoundsCheckFd(this)) return false; @@ -597,12 +553,12 @@ bool BufferedSocket::Poll() #endif this->SetState(I_CONNECTED); - if (Instance->Config->GetIOHook(this)) + if (this->GetIOHook()) { Instance->Logs->Log("SOCKET",DEBUG,"Hook for raw connect"); try { - Instance->Config->GetIOHook(this)->OnRawSocketConnect(this->fd); + this->GetIOHook()->OnRawSocketConnect(this->fd); } catch (CoreException& modexcept) { @@ -611,53 +567,6 @@ bool BufferedSocket::Poll() } return this->OnConnected(); break; - case I_LISTENING: - { - /* 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* 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 = Instance->SE->Accept(this, 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 - { - // FIX: we were doing this for IPv6 connections as well, which was fucking recvip.. - // Add brackets to make this a bit clearer. -- w00t (Jan 15, 2008) - recvip = inet_ntoa(((sockaddr_in*)client)->sin_addr); - } - - Instance->SE->NonBlocking(incoming); - - 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->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } - - this->SetQueues(incoming); - - delete[] client; - return true; - } - break; case I_CONNECTED: /* Process the read event */ return this->OnDataReady(); @@ -678,17 +587,15 @@ BufferedSocketState BufferedSocket::GetState() return this->state; } -int BufferedSocket::GetFd() -{ - return this->fd; -} - bool BufferedSocket::OnConnected() { return true; } void BufferedSocket::OnError(BufferedSocketError) { return; } int BufferedSocket::OnDisconnect() { return 0; } -int BufferedSocket::OnIncomingConnection(int, char*) { return 0; } bool BufferedSocket::OnDataReady() { return true; } -bool BufferedSocket::OnWriteReady() { return true; } +bool BufferedSocket::OnWriteReady() +{ + // Default behaviour: just try write some. + return !this->FlushWriteBuffer(); +} void BufferedSocket::OnTimeout() { return; } void BufferedSocket::OnClose() { return; } @@ -737,16 +644,6 @@ void BufferedSocket::HandleEvent(EventType et, int errornum) } break; case EVENT_WRITE: - if (this->WaitingForWriteEvent) - { - this->WaitingForWriteEvent = false; - if (!this->OnWriteReady()) - { - if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) - this->Instance->SocketCull[this] = this; - return; - } - } if (this->state == I_CONNECTING) { /* This might look wrong as if we should be actually calling @@ -760,7 +657,7 @@ void BufferedSocket::HandleEvent(EventType et, int errornum) } else { - if (this->FlushWriteBuffer()) + if (!this->OnWriteReady()) { if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end()) this->Instance->SocketCull[this] = this;