* ---------------------------------------------------
*/
-/* $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));
this->fd = -1;
this->WaitingForWriteEvent = false;
this->Instance = SI;
- this->IsIOHooked = false;
}
BufferedSocket::BufferedSocket(InspIRCd* SI, int newfd, const char* ip)
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->Log(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;
- }
- }
}
}
}
j++;
}
- Instance->Log(DEBUG,"nothing in the config to bind()!");
+ Instance->Logs->Log("SOCKET", DEBUG,"nothing in the config to bind()!");
return true;
}
this->SetQueues(this->fd);
}
- Instance->Log(DEBUG,"BufferedSocket::DoConnect success");
+ Instance->Logs->Log("SOCKET", DEBUG,"BufferedSocket::DoConnect success");
return true;
}
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());
+ Instance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
}
Instance->SE->Shutdown(this, 2);
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)
{
- Instance->Log(DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ Instance->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, 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
{
}
}
-void BufferedSocket::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 BufferedSocket::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);
+
+ /* Mark ourselves as wanting write */
this->Instance->SE->WantWrite(this);
- return (!this->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))
{
/* 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());
+ Instance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
return true;
}
}
void SocketTimeout::Tick(time_t)
{
- ServerInstance->Log(DEBUG,"SocketTimeout::Tick");
+ 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.
bool BufferedSocket::Poll()
{
- int incoming = -1;
-
#ifndef WINDOWS
if (!Instance->SE->BoundsCheckFd(this))
return false;
#endif
this->SetState(I_CONNECTED);
- if (Instance->Config->GetIOHook(this))
+ if (this->GetIOHook())
{
- Instance->Log(DEBUG,"Hook for raw connect");
+ 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)
{
- Instance->Log(DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ Instance->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
}
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->Log(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();
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; }
void BufferedSocket::OnTimeout() { return; }