-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2006-2007 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
#include "socket.h"
#include "inspstring.h"
#ifndef DISABLE_WRITEV
#include <sys/uio.h>
+#endif
+
#ifndef IOV_MAX
#define IOV_MAX 1024
#endif
-#endif
BufferedSocket::BufferedSocket()
{
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, aport, &addr))
+ if (!irc::sockets::aptosa(ipaddr, aport, addr))
{
ServerInstance->Logs->Log("SOCKET", DEBUG, "BUG: Hostname passed to BufferedSocket, rather than an IP address!");
return I_ERR_CONNECT;
bind.sa.sa_family = 0;
if (!connectbindip.empty())
{
- if (!irc::sockets::aptosa(connectbindip, 0, &bind))
+ if (!irc::sockets::aptosa(connectbindip, 0, bind))
{
return I_ERR_BIND;
}
if (bind.sa.sa_family != 0)
{
- if (ServerInstance->SE->Bind(fd, &bind.sa, sa_size(bind)) < 0)
+ if (ServerInstance->SE->Bind(fd, bind) < 0)
return I_ERR_BIND;
}
this->state = I_CONNECTING;
- if (!ServerInstance->SE->AddFd(this, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE))
+ if (!ServerInstance->SE->AddFd(this, FD_WANT_NO_READ | FD_WANT_SINGLE_WRITE | FD_WRITE_WILL_BLOCK))
return I_ERR_NOMOREFDS;
this->Timeout = new SocketTimeout(this->GetFd(), this, timeout, ServerInstance->Time());
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)
{
+ // final chance, dump as much of the sendq as we can
+ DoWrite();
if (IOHook)
{
try
ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s",
modexcept.GetSource(), modexcept.GetReason());
}
+ IOHook = NULL;
}
ServerInstance->SE->Shutdown(this, 2);
ServerInstance->SE->DelFd(this);
ServerInstance->SE->Close(this);
fd = -1;
}
- errno = save;
}
-bool StreamSocket::cull()
+CullResult StreamSocket::cull()
{
Close();
- return true;
+ return EventHandler::cull();
}
bool StreamSocket::GetNextLine(std::string& line, char delim)
std::string::size_type i = recvq.find(delim);
if (i == std::string::npos)
return false;
- line = recvq.substr(0, i - 1);
+ line = recvq.substr(0, i);
// TODO is this the most efficient way to split?
recvq = recvq.substr(i + 1);
return true;
}
}
+/* Don't try to prepare huge blobs of data to send to a blocked socket */
+static const int MYIOV_MAX = IOV_MAX < 128 ? IOV_MAX : 128;
+
void StreamSocket::DoWrite()
{
if (sendq.empty())
int rv = -1;
try
{
- while (!sendq.empty())
+ while (error.empty() && !sendq.empty())
{
if (sendq.size() > 1 && sendq[0].length() < 1024)
{
return;
// start out optimistic - we won't need to write any more
int eventChange = FD_WANT_EDGE_WRITE;
- while (sendq_len && eventChange == FD_WANT_EDGE_WRITE)
+ while (error.empty() && sendq_len && eventChange == FD_WANT_EDGE_WRITE)
{
// 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)
+
+ // cap the number of buffers at MYIOV_MAX
+ if (bufcount > MYIOV_MAX)
{
- bufcount = IOV_MAX;
+ bufcount = MYIOV_MAX;
}
int rv_max = 0;
else if (errno == EINTR)
{
// restart interrupted syscall
+ errno = 0;
}
else
{
// connection.
this->sock->OnTimeout();
this->sock->OnError(I_ERR_TIMEOUT);
-
- /* 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;
ServerInstance->GlobalCulls.AddItem(sock);
if (!error.empty())
return;
BufferedSocketError errcode = I_ERR_OTHER;
- switch (et)
- {
- case EVENT_ERROR:
+ try {
+ switch (et)
{
- if (errornum == 0)
- SetError("Connection closed");
- else
- SetError(strerror(errornum));
- switch (errornum)
+ case EVENT_ERROR:
+ {
+ if (errornum == 0)
+ SetError("Connection closed");
+ else
+ SetError(strerror(errornum));
+ switch (errornum)
+ {
+ 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;
+ }
+ case EVENT_READ:
{
- 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;
+ DoRead();
+ break;
+ }
+ case EVENT_WRITE:
+ {
+ DoWrite();
+ break;
}
- break;
- }
- case EVENT_READ:
- {
- DoRead();
- break;
- }
- case EVENT_WRITE:
- {
- DoWrite();
- break;
}
}
+ catch (CoreException& ex)
+ {
+ ServerInstance->Logs->Log("SOCKET", DEFAULT, "Caught exception in socket processing on FD %d - '%s'",
+ fd, ex.GetReason());
+ SetError(ex.GetReason());
+ }
if (!error.empty())
{
ServerInstance->Logs->Log("SOCKET", DEBUG, "Error on FD %d - '%s'", fd, error.c_str());
OnError(errcode);
- ServerInstance->GlobalCulls.AddItem(this);
}
}
projects / user / henk / code / inspircd.git / blobdiff