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+ /*
+
+ Copyright (C) 1999 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This program 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; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ Permission is also granted to link this program with the Qt
+ library, treating Qt like a library that normally accompanies the
+ operating system kernel, whether or not that is in fact the case.
+
+ */
+
+#include "hello.h"
+#include "dynamicrequest.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <iostream>
+
+using namespace std;
+using namespace Arts;
+
+/*
+ * Hellodynamic illustrates the usage of the DynamicRequest class to perform
+ * dynamic requests. There are two things you can try
+ *
+ * hellodynamic
+ *
+ * which will use a local implementation of a hello object, and
+ *
+ * hellodynamic <mcop reference>
+ *
+ * which will use a remote implementation of a hello object.
+ */
+int main(int argc, char **argv)
+{
+ Dispatcher dispatcher;
+ Hello h;
+
+ // Check if we should connect to a remote server:
+ if(argc == 2)
+ {
+ h = Reference(argv[1]);
+ if(h.isNull())
+ {
+ fprintf(stderr,"can't connect to the object\n");
+ exit(1);
+ }
+ }
+
+ // find out logname
+ const char *who = getenv("LOGNAME");
+ if(!who) who = "stefan";
+
+ printf("calling h.hello(\"%s\")\n", who);
+
+ // the dynamic equivalent to h.hello(who)
+ DynamicRequest hellorequest(h);
+
+ if(!hellorequest.method("hello").param(who).invoke())
+ cout << "dynamic invocation to h.hello(...) failed" << endl;
+
+ /*
+ Note: you could reuse hellorequest here, and indeed, if you
+ call the _same_ method over and over again, you'll get quite
+ some speed gain as the signature is only looked up once.
+ */
+
+ // set a value (no error checking here, I am lazy ;)
+ DynamicRequest(h).method("_set_myValue").param(42).invoke();
+
+ // get a value via "normal" interface
+ printf("h.myValue() is %ld (after setting it to 42)\n", h.myValue());
+
+ // call h.concat("MCOP ","rules.") dynamically
+ string s;
+ DynamicRequest(h).method("concat").param("MCOP ").param("rules.").invoke(s);
+ cout << "Conclusion of this test: " << s << endl;
+
+ return 0;
+}