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dcop_deadlock_test.cpp
1 /*****************************************************************
2 
3 Copyright (c) 2004 Waldo Bastian <bastian@kde.org>
4 
5 Permission is hereby granted, free of charge, to any person obtaining a copy
6 of this software and associated documentation files (the "Software"), to deal
7 in the Software without restriction, including without limitation the rights
8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 copies of the Software, and to permit persons to whom the Software is
10 furnished to do so, subject to the following conditions:
11 
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
14 
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 
22 ******************************************************************
23 */
24 
25 #include <dcop_deadlock_test.h>
26 #include <dcopref.h>
27 #include <tqtimer.h>
28 #include <sys/time.h>
29 #include <sys/types.h>
30 #include <unistd.h>
31 #include <stdlib.h>
32 
33 MyDCOPObject::MyDCOPObject(const TQCString &name, const TQCString &remoteName)
34 : TQObject(0, name), DCOPObject(name), m_remoteName(remoteName)
35 {
36  connect(&m_timer, TQ_SIGNAL(timeout()), this, TQ_SLOT(slotTimeout()));
37 }
38 
39 bool MyDCOPObject::process(const TQCString &fun, const TQByteArray &data,
40 TQCString& replyType, TQByteArray &replyData)
41 {
42  if (fun == "function(TQCString)") {
43  TQDataStream args( data, IO_ReadOnly );
44  args >> m_remoteName;
45 
46  struct timeval tv;
47  gettimeofday(&tv, 0);
48 tqWarning("%s: function('%s') %d:%06d", name(), m_remoteName.data(), tv.tv_sec % 100, tv.tv_usec);
49 
50  replyType = "TQString";
51  TQDataStream reply( replyData, IO_WriteOnly );
52  reply << TQString("Hey");
53  m_timer.start(1000, true);
54  return true;
55  }
56  return DCOPObject::process(fun, data, replyType, replyData);
57 }
58 
59 void MyDCOPObject::slotTimeout()
60 {
61  struct timeval tv;
62  gettimeofday(&tv, 0);
63 tqWarning("%s: slotTimeout() %d:%06d", name(), tv.tv_sec % 100, tv.tv_usec);
64 
65  m_timer.start(1000, true);
66  TQString result;
67  DCOPRef(m_remoteName, m_remoteName).call("function", TQCString(name())).get(result);
68  gettimeofday(&tv, 0);
69 tqWarning("%s: Got result '%s' %d:%06d", name(), result.latin1(), tv.tv_sec % 100, tv.tv_usec);
70 }
71 
72 int main(int argc, char **argv)
73 {
74  TQCString myName = TDEApplication::dcopClient()->registerAs("testdcop", false);
75  TDEApplication app(argc, argv, "testdcop");
76 
77  tqWarning("%d:I am '%s'", getpid(), app.dcopClient()->appId().data());
78 
79  if (myName == "testdcop")
80  {
81  system("./dcop_deadlock_test testdcop&");
82  }
83 
84  TQCString remoteApp;
85  if (argc == 2)
86  {
87  remoteApp = argv[1];
88  }
89  MyDCOPObject myObject(app.dcopClient()->appId(), remoteApp);
90 
91  if (!remoteApp.isEmpty())
92  myObject.slotTimeout();
93  app.exec();
94 }
95 
96 #include "dcop_deadlock_test.moc"
DCOPClient::registerAs
TQCString registerAs(const TQCString &appId, bool addPID=true)
Registers at the DCOP server.
Definition: dcopclient.cpp:983
DCOPObject
Provides an interface for receiving DCOP messages.
Definition: dcopobject.h:68
DCOPObject::process
virtual bool process(const TQCString &fun, const TQByteArray &data, TQCString &replyType, TQByteArray &replyData)
Dispatches a message.
Definition: dcopobject.cpp:166
DCOPRef
A DCOPRef(erence) encapsulates a remote DCOP object as a triple <app,obj,type> where type is optional...
Definition: dcopref.h:279
DCOPRef::call
DCOPReply call(const TQCString &fun)
Calls the function fun on the object referenced by this reference.
Definition: dcopref.h:417
DCOPReply::get
bool get(T &t, const char *tname)
Retrieves the value from the type T.
Definition: dcopref.h:70
TDEApplication
TDEApplication::dcopClient
static DCOPClient * dcopClient()
TDEStdAccel::name
TQString name(StdAccel id)

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