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/*
* Anope IRC Services
*
* Copyright (C) 2010-2017 Anope Team <team@anope.org>
*
* This file is part of Anope. Anope 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 see <http://www.gnu.org/licenses/>.
*/
#include "services.h"
#include "sockets.h"
#include "socketengine.h"
#ifndef _WIN32
#include <fcntl.h>
#endif
Pipe::Pipe() : Socket(-1), write_pipe(-1)
{
int fds[2];
if (pipe(fds))
throw CoreException("Could not create pipe: " + Anope::LastError());
int sflags = fcntl(fds[0], F_GETFL, 0);
fcntl(fds[0], F_SETFL, sflags | O_NONBLOCK);
sflags = fcntl(fds[1], F_GETFL, 0);
fcntl(fds[1], F_SETFL, sflags | O_NONBLOCK);
SocketEngine::Change(this, false, SF_READABLE);
SocketEngine::Change(this, false, SF_WRITABLE);
anope_close(this->sock);
this->io->Destroy();
SocketEngine::Sockets.erase(this->sock);
this->sock = fds[0];
this->write_pipe = fds[1];
SocketEngine::Sockets[this->sock] = this;
SocketEngine::Change(this, true, SF_READABLE);
}
Pipe::~Pipe()
{
if (this->write_pipe >= 0)
anope_close(this->write_pipe);
}
bool Pipe::ProcessRead()
{
char dummy[512];
while (read(this->GetFD(), dummy, sizeof(dummy)) == sizeof(dummy));
this->OnNotify();
return true;
}
void Pipe::Write(const char *data, size_t sz)
{
write(this->write_pipe, data, sz);
}
int Pipe::Read(char *data, size_t sz)
{
return read(this->GetFD(), data, sz);
}
bool Pipe::SetWriteBlocking(bool state)
{
int f = fcntl(this->write_pipe, F_GETFL, 0);
if (state)
return !fcntl(this->write_pipe, F_SETFL, f & ~O_NONBLOCK);
else
return !fcntl(this->write_pipe, F_SETFL, f | O_NONBLOCK);
}
void Pipe::Notify()
{
this->Write("", 1);
}
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