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<h1 class="topictitle1">Example: TI-RPC intermediate-level service API</h1>
<div><p>This code example illustrates an intermediate-level service API
that is used in developing TI-RPC services.</p>
<div class="section"><p>The dispatch function can be reused without any changes.
The only difference between the top and intermediate levels is the use of
the network selection APIs. This level also creates, binds, and registers
the service with the rpcbind daemon.</p>
<div class="note"><span class="notetitle">Note:</span> By using the code example, you
agree to the terms of the <a href="codedisclaimer.htm">Code license and disclaimer information</a>.</div>
<pre>#include &lt;stdio.h&gt;
#include &lt;netconfig.h&gt;
#include &lt;rpc/rpc.h&gt;
#include &lt;errno.h&gt;
#include "myapp.h"
int main(int argc, char *argv[]) {
struct netconfig *nconf; /* pointer to nettype data */
SVCXPRT *svc; /* pointer to service handle */
/* unregister any existing copy of this service */
/* (void)svc_unreg(program, version) */
svc_unreg(PROGNUM, VERSNUM);
/* (struct netconfig *)getnetconfigent(nettype) */
nconf = getnetconfigent(NETTYPE);
if (nconf == (struct netconfig *)NULL) {
fprintf(stderr, "Error calling getnetconfigent(%s)\n", NETTYPE);
fprintf(stderr, "errno: %d\n", errno);
return 1;
}
/* (SVCXPRT *)svc_tp_create(dispatch, prognum, versnum, netconf) */
svc = svc_tp_create(myapp_dispatch, PROGNUM, VERSNUM, nconf);
/* check for errors calling svc_tp_create() */
if (svc == (SVCXPRT *)NULL) {
/* print error messages and exit */
fprintf(stderr, "Error calling %s.\n", "svc_tp_create");
fprintf(stderr, "PROG: %lu\tVERS: %lu\tNET: %s\n",
PROGNUM, VERSNUM, NETTYPE);
fprintf(stderr, "errno: %d\n", errno);
return 1;
}
/* this should loop indefinitely waiting for client connections */
svc_run();
/* if we get here, svc_run() returned */
fprintf(stderr, "svc_run() returned. ERROR has occurred.\n");
fprintf(stderr, "errno: %d\n", errno);
/* clean up by unregistering. then, exit */
svc_unreg(PROGNUM, VERSNUM);
return 1;
} /* end of main() */</pre>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzahpservicecode.htm" title="Transport independent remote procedure call (TI-RPC) programming provides an effective method for developing distributed client-server based applications on i5/OS.">Examples: Develop service applications based on TI-RPC code</a></div>
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