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95 lines
2.7 KiB
95 lines
2.7 KiB
/*
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Copyright (C) 1999 Stefan Westerfeld
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stefan@space.twc.de
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Permission is also granted to link this program with the Qt
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library, treating Qt like a library that normally accompanies the
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operating system kernel, whether or not that is in fact the case.
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*/
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#include "hello.h"
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#include "dynamicrequest.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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using namespace std;
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using namespace Arts;
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/*
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* Hellodynamic illustrates the usage of the DynamicRequest class to perform
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* dynamic requests. There are two things you can try
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*
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* hellodynamic
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*
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* which will use a local implementation of a hello object, and
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*
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* hellodynamic <mcop reference>
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*
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* which will use a remote implementation of a hello object.
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*/
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int main(int argc, char **argv)
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{
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Dispatcher dispatcher;
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Hello h;
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// Check if we should connect to a remote server:
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if(argc == 2)
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{
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h = Reference(argv[1]);
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if(h.isNull())
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{
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fprintf(stderr,"can't connect to the object\n");
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exit(1);
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}
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}
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// find out logname
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const char *who = getenv("LOGNAME");
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if(!who) who = "stefan";
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printf("calling h.hello(\"%s\")\n", who);
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// the dynamic equivalent to h.hello(who)
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DynamicRequest hellorequest(h);
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if(!hellorequest.method("hello").param(who).invoke())
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cout << "dynamic invocation to h.hello(...) failed" << endl;
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/*
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Note: you could reuse hellorequest here, and indeed, if you
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call the _same_ method over and over again, you'll get quite
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some speed gain as the signature is only looked up once.
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*/
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// set a value (no error checking here, I am lazy ;)
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DynamicRequest(h).method("_set_myValue").param(42).invoke();
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// get a value via "normal" interface
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printf("h.myValue() is %ld (after setting it to 42)\n", h.myValue());
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// call h.concat("MCOP ","rules.") dynamically
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string s;
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DynamicRequest(h).method("concat").param("MCOP ").param("rules.").invoke(s);
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cout << "Conclusion of this test: " << s << endl;
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return 0;
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}
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