You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
491 lines
11 KiB
491 lines
11 KiB
/* -*- C++ -*-
|
|
* Copyright (C) 2003,2005 Thiago Macieira <thiago.macieira@kdemail.net>
|
|
*
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <tqsocketnotifier.h>
|
|
#include <tqtimer.h>
|
|
#include <tqmutex.h>
|
|
|
|
#include "ksocketaddress.h"
|
|
#include "kresolver.h"
|
|
#include "ksocketbase.h"
|
|
#include "ksocketdevice.h"
|
|
#include "kclientsocketbase.h"
|
|
|
|
using namespace KNetwork;
|
|
|
|
class KNetwork::KClientSocketBasePrivate
|
|
{
|
|
public:
|
|
int state;
|
|
|
|
KResolver localResolver, peerResolver;
|
|
KResolverResults localResults, peerResults;
|
|
|
|
bool enableRead : 1, enableWrite : 1;
|
|
};
|
|
|
|
KClientSocketBase::KClientSocketBase(TQObject *parent, const char *name) :
|
|
#ifdef USE_QT4
|
|
#else // USE_QT4
|
|
TQObject(parent, name),
|
|
#endif // USE_QT4
|
|
d(new KClientSocketBasePrivate)
|
|
{
|
|
#ifdef USE_QT4
|
|
setParent(parent);
|
|
setObjectName(name);
|
|
#endif // USE_QT4
|
|
d->state = Idle;
|
|
d->enableRead = true;
|
|
d->enableWrite = false;
|
|
}
|
|
|
|
KClientSocketBase::~KClientSocketBase()
|
|
{
|
|
close();
|
|
delete d;
|
|
}
|
|
|
|
KClientSocketBase::SocketState KClientSocketBase::state() const
|
|
{
|
|
return static_cast<SocketState>(d->state);
|
|
}
|
|
|
|
void KClientSocketBase::setState(SocketState state)
|
|
{
|
|
d->state = state;
|
|
stateChanging(state);
|
|
}
|
|
|
|
bool KClientSocketBase::setSocketOptions(int opts)
|
|
{
|
|
TQMutexLocker locker(mutex());
|
|
KSocketBase::setSocketOptions(opts); // call parent
|
|
|
|
// don't create the device unnecessarily
|
|
if (hasDevice())
|
|
{
|
|
bool result = socketDevice()->setSocketOptions(opts); // and set the implementation
|
|
copyError();
|
|
return result;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
KResolver& KClientSocketBase::peerResolver() const
|
|
{
|
|
return d->peerResolver;
|
|
}
|
|
|
|
const KResolverResults& KClientSocketBase::peerResults() const
|
|
{
|
|
return d->peerResults;
|
|
}
|
|
|
|
KResolver& KClientSocketBase::localResolver() const
|
|
{
|
|
return d->localResolver;
|
|
}
|
|
|
|
const KResolverResults& KClientSocketBase::localResults() const
|
|
{
|
|
return d->localResults;
|
|
}
|
|
|
|
void KClientSocketBase::setResolutionEnabled(bool enable)
|
|
{
|
|
if (enable)
|
|
{
|
|
d->localResolver.setFlags(d->localResolver.flags() & ~KResolver::NoResolve);
|
|
d->peerResolver.setFlags(d->peerResolver.flags() & ~KResolver::NoResolve);
|
|
}
|
|
else
|
|
{
|
|
d->localResolver.setFlags(d->localResolver.flags() | KResolver::NoResolve);
|
|
d->peerResolver.setFlags(d->peerResolver.flags() | KResolver::NoResolve);
|
|
}
|
|
}
|
|
|
|
void KClientSocketBase::setFamily(int families)
|
|
{
|
|
d->localResolver.setFamily(families);
|
|
d->peerResolver.setFamily(families);
|
|
}
|
|
|
|
bool KClientSocketBase::lookup()
|
|
{
|
|
if (state() == HostLookup && !blocking())
|
|
return true; // already doing lookup
|
|
|
|
if (state() > HostLookup)
|
|
return true; // results are already available
|
|
|
|
if (state() < HostLookup)
|
|
{
|
|
if (d->localResolver.serviceName().isNull() &&
|
|
!d->localResolver.nodeName().isNull())
|
|
d->localResolver.setServiceName(TQString::tqfromLatin1(""));
|
|
|
|
// don't restart the lookups if they had succeeded and
|
|
// the input values weren't changed
|
|
TQObject::connect(&d->peerResolver, TQT_SIGNAL(finished(KResolverResults)),
|
|
this, TQT_SLOT(lookupFinishedSlot()));
|
|
TQObject::connect(&d->localResolver, TQT_SIGNAL(finished(KResolverResults)),
|
|
this, TQT_SLOT(lookupFinishedSlot()));
|
|
|
|
if (d->localResolver.status() <= 0)
|
|
d->localResolver.start();
|
|
if (d->peerResolver.status() <= 0)
|
|
d->peerResolver.start();
|
|
|
|
setState(HostLookup);
|
|
emit stateChanged(HostLookup);
|
|
|
|
if (!d->localResolver.isRunning() && !d->peerResolver.isRunning())
|
|
{
|
|
// if nothing is running, then the lookup results are still valid
|
|
// pretend we had done lookup
|
|
if (blocking())
|
|
lookupFinishedSlot();
|
|
else
|
|
TQTimer::singleShot(0, this, TQT_SLOT(lookupFinishedSlot()));
|
|
}
|
|
else
|
|
{
|
|
d->localResults = d->peerResults = KResolverResults();
|
|
}
|
|
}
|
|
|
|
if (blocking())
|
|
{
|
|
// we're in blocking mode operation
|
|
// wait for the results
|
|
|
|
localResolver().wait();
|
|
peerResolver().wait();
|
|
|
|
// lookupFinishedSlot has been called
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool KClientSocketBase::bind(const KResolverEntry& address)
|
|
{
|
|
if (state() == HostLookup || state() > Connecting)
|
|
return false;
|
|
|
|
if (socketDevice()->bind(address))
|
|
{
|
|
resetError();
|
|
|
|
// don't set the state or emit signals if we are in a higher state
|
|
if (state() < Bound)
|
|
{
|
|
setState(Bound);
|
|
emit stateChanged(Bound);
|
|
emit bound(address);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool KClientSocketBase::connect(const KResolverEntry& address)
|
|
{
|
|
if (state() == Connected)
|
|
return true; // to be compliant with the other classes
|
|
if (state() == HostLookup || state() > Connecting)
|
|
return false;
|
|
|
|
bool ok = socketDevice()->connect(address);
|
|
copyError();
|
|
|
|
if (ok)
|
|
{
|
|
SocketState newstate;
|
|
if (error() == InProgress)
|
|
newstate = Connecting;
|
|
else
|
|
newstate = Connected;
|
|
|
|
if (state() < newstate)
|
|
{
|
|
setState(newstate);
|
|
emit stateChanged(newstate);
|
|
if (error() == NoError)
|
|
{
|
|
setFlags(IO_Sequential | IO_Raw | IO_ReadWrite | IO_Open | IO_Async);
|
|
emit connected(address);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool KClientSocketBase::disconnect()
|
|
{
|
|
if (state() != Connected)
|
|
return false;
|
|
|
|
bool ok = socketDevice()->disconnect();
|
|
copyError();
|
|
|
|
if (ok)
|
|
{
|
|
setState(Unconnected);
|
|
emit stateChanged(Unconnected);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void KClientSocketBase::close()
|
|
{
|
|
if (state() == Idle)
|
|
return; // nothing to do
|
|
|
|
if (state() == HostLookup)
|
|
{
|
|
d->peerResolver.cancel(false);
|
|
d->localResolver.cancel(false);
|
|
}
|
|
|
|
d->localResults = d->peerResults = KResolverResults();
|
|
|
|
socketDevice()->close();
|
|
setState(Idle);
|
|
emit stateChanged(Idle);
|
|
emit closed();
|
|
}
|
|
|
|
// This function is unlike all the others because it is const
|
|
#ifdef USE_QT3
|
|
TQ_LONG KClientSocketBase::bytesAvailable() const
|
|
#endif
|
|
#ifdef USE_QT4
|
|
qint64 KClientSocketBase::bytesAvailable() const
|
|
#endif
|
|
{
|
|
return socketDevice()->bytesAvailable();
|
|
}
|
|
|
|
// All the functions below look really alike
|
|
// Should I use a macro to define them?
|
|
|
|
TQ_LONG KClientSocketBase::waitForMore(int msecs, bool *timeout)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->waitForMore(msecs, timeout);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQT_TQIO_LONG KClientSocketBase::tqreadBlock(char *data, TQT_TQIO_ULONG maxlen)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->tqreadBlock(data, maxlen);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQT_TQIO_LONG KClientSocketBase::tqreadBlock(char *data, TQT_TQIO_ULONG maxlen, KSocketAddress& from)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->tqreadBlock(data, maxlen, from);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQ_LONG KClientSocketBase::peekBlock(char *data, TQ_ULONG maxlen)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->peekBlock(data, maxlen);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQ_LONG KClientSocketBase::peekBlock(char *data, TQ_ULONG maxlen, KSocketAddress& from)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->peekBlock(data, maxlen, from);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQT_TQIO_LONG KClientSocketBase::tqwriteBlock(const char *data, TQT_TQIO_ULONG len)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->tqwriteBlock(data, len);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
TQT_TQIO_LONG KClientSocketBase::tqwriteBlock(const char *data, TQT_TQIO_ULONG len, const KSocketAddress& to)
|
|
{
|
|
resetError();
|
|
TQ_LONG retval = socketDevice()->tqwriteBlock(data, len, to);
|
|
if (retval == -1)
|
|
{
|
|
copyError();
|
|
emit gotError(error());
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
KSocketAddress KClientSocketBase::localAddress() const
|
|
{
|
|
return socketDevice()->localAddress();
|
|
}
|
|
|
|
KSocketAddress KClientSocketBase::peerAddress() const
|
|
{
|
|
return socketDevice()->peerAddress();
|
|
}
|
|
|
|
bool KClientSocketBase::emitsReadyRead() const
|
|
{
|
|
return d->enableRead;
|
|
}
|
|
|
|
void KClientSocketBase::enableRead(bool enable)
|
|
{
|
|
TQMutexLocker locker(mutex());
|
|
|
|
d->enableRead = enable;
|
|
TQSocketNotifier *n = socketDevice()->readNotifier();
|
|
if (n)
|
|
n->setEnabled(enable);
|
|
}
|
|
|
|
bool KClientSocketBase::emitsReadyWrite() const
|
|
{
|
|
return d->enableWrite;
|
|
}
|
|
|
|
void KClientSocketBase::enableWrite(bool enable)
|
|
{
|
|
TQMutexLocker locker(mutex());
|
|
|
|
d->enableWrite = enable;
|
|
TQSocketNotifier *n = socketDevice()->writeNotifier();
|
|
if (n)
|
|
n->setEnabled(enable);
|
|
}
|
|
|
|
void KClientSocketBase::slotReadActivity()
|
|
{
|
|
if (d->enableRead)
|
|
emit readyRead();
|
|
}
|
|
|
|
void KClientSocketBase::slotWriteActivity()
|
|
{
|
|
if (d->enableWrite)
|
|
emit readyWrite();
|
|
}
|
|
|
|
void KClientSocketBase::lookupFinishedSlot()
|
|
{
|
|
if (d->peerResolver.isRunning() || d->localResolver.isRunning() || state() != HostLookup)
|
|
return;
|
|
|
|
TQObject::disconnect(&d->peerResolver, 0L, this, TQT_SLOT(lookupFinishedSlot()));
|
|
TQObject::disconnect(&d->localResolver, 0L, this, TQT_SLOT(lookupFinishedSlot()));
|
|
if (d->peerResolver.status() < 0 || d->localResolver.status() < 0)
|
|
{
|
|
setState(Idle); // backtrack
|
|
setError(IO_LookupError, LookupFailure);
|
|
emit stateChanged(Idle);
|
|
emit gotError(LookupFailure);
|
|
return;
|
|
}
|
|
|
|
d->localResults = d->localResolver.results();
|
|
d->peerResults = d->peerResolver.results();
|
|
setState(HostFound);
|
|
emit stateChanged(HostFound);
|
|
emit hostFound();
|
|
}
|
|
|
|
void KClientSocketBase::stateChanging(SocketState newState)
|
|
{
|
|
if (newState == Connected && socketDevice())
|
|
{
|
|
TQSocketNotifier *n = socketDevice()->readNotifier();
|
|
if (n)
|
|
{
|
|
n->setEnabled(d->enableRead);
|
|
TQObject::connect(n, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotReadActivity()));
|
|
}
|
|
else
|
|
return;
|
|
|
|
n = socketDevice()->writeNotifier();
|
|
if (n)
|
|
{
|
|
n->setEnabled(d->enableWrite);
|
|
TQObject::connect(n, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotWriteActivity()));
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
}
|
|
|
|
void KClientSocketBase::copyError()
|
|
{
|
|
setError(socketDevice()->status(), socketDevice()->error());
|
|
}
|
|
|
|
#include "kclientsocketbase.moc"
|