dcop_deadlock_test.cpp
/*****************************************************************
Copyright (c) 2004 Waldo Bastian <bastian@kde.org>
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
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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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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******************************************************************
*/
#include <dcop_deadlock_test.h>
#include <dcopref.h>
#include <qtimer.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
MyDCOPObject::MyDCOPObject(const QCString &name, const QCString &remoteName)
: QObject(0, name), DCOPObject(name), m_remoteName(remoteName)
{
connect(&m_timer, SIGNAL(timeout()), this, SLOT(slotTimeout()));
}
bool MyDCOPObject::process(const QCString &fun, const QByteArray &data,
QCString& replyType, QByteArray &replyData)
{
if (fun == "function(QCString)") {
QDataStream args( data, IO_ReadOnly );
args >> m_remoteName;
struct timeval tv;
gettimeofday(&tv, 0);
qWarning("%s: function('%s') %d:%06d", name(), m_remoteName.data(), tv.tv_sec % 100, tv.tv_usec);
replyType = "QString";
QDataStream reply( replyData, IO_WriteOnly );
reply << QString("Hey");
m_timer.start(1000, true);
return true;
}
return DCOPObject::process(fun, data, replyType, replyData);
}
void MyDCOPObject::slotTimeout()
{
struct timeval tv;
gettimeofday(&tv, 0);
qWarning("%s: slotTimeout() %d:%06d", name(), tv.tv_sec % 100, tv.tv_usec);
m_timer.start(1000, true);
QString result;
DCOPRef(m_remoteName, m_remoteName).call("function", QCString(name())).get(result);
gettimeofday(&tv, 0);
qWarning("%s: Got result '%s' %d:%06d", name(), result.latin1(), tv.tv_sec % 100, tv.tv_usec);
}
int main(int argc, char **argv)
{
QCString myName = KApplication::dcopClient()->registerAs("testdcop", false);
KApplication app(argc, argv, "testdcop");
qWarning("%d:I am '%s'", getpid(), app.dcopClient()->appId().data());
if (myName == "testdcop")
{
system("./dcop_deadlock_test testdcop&");
}
QCString remoteApp;
if (argc == 2)
{
remoteApp = argv[1];
}
MyDCOPObject myObject(app.dcopClient()->appId(), remoteApp);
if (!remoteApp.isEmpty())
myObject.slotTimeout();
app.exec();
}
#include "dcop_deadlock_test.moc"
DCOPRef::call
DCOPReply call(const QCString &fun)
Calls the function fun on the object referenced by this reference.
Definition: dcopref.h:417
KApplication
DCOPRef
A DCOPRef(erence) encapsulates a remote DCOP object as a triple <app,obj,type> where type is optional...
Definition: dcopref.h:278
DCOPClient::registerAs
QCString registerAs(const QCString &appId, bool addPID=true)
Registers at the DCOP server.
Definition: dcopclient.cpp:942
DCOPReply::get
bool get(T &t, const char *tname)
Retrieves the value from the type T.
Definition: dcopref.h:70
KApplication::dcopClient
static DCOPClient * dcopClient()
DCOPObject
Provides an interface for receiving DCOP messages.
Definition: dcopobject.h:67
DCOPObject::process
virtual bool process(const QCString &fun, const QByteArray &data, QCString &replyType, QByteArray &replyData)
Dispatches a message.
Definition: dcopobject.cpp:166

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