396 lines
10 KiB
HTML
396 lines
10 KiB
HTML
|
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||
|
|
<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
|
||
|
|
<title>clnt_call()--Call a Remote Procedure Associated with the Client</title>
|
||
|
|
<!-- Begin Header Records ========================================== -->
|
||
|
|
<!-- All rights reserved. Licensed Materials Property of IBM -->
|
||
|
|
<!-- US Government Users Restricted Rights -->
|
||
|
|
<!-- Use, duplication or disclosure restricted by -->
|
||
|
|
<!-- GSA ADP Schedule Contract with IBM Corp. -->
|
||
|
|
<!-- Change History: -->
|
||
|
|
<!-- YYMMDD USERID Change description -->
|
||
|
|
<!-- RPCMST SCRIPT A converted by B2H R4.1 (346) (CMS) by PMHALL at -->
|
||
|
|
<!-- RCHVMW2 on 7 Oct 1998 at 23:43:14 -->
|
||
|
|
<!-- Edited by Kersten Feb 02 -->
|
||
|
|
<!-- End Header Records -->
|
||
|
|
<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<!--Java sync-link-->
|
||
|
|
<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<h2>clnt_call()--Call a Remote Procedure Associated with the Client</h2>
|
||
|
|
|
||
|
|
<div class="box" style="width: 60%;">
|
||
|
|
<br>
|
||
|
|
Syntax<br>
|
||
|
|
<!-- iddvc RMBR -->
|
||
|
|
<br>
|
||
|
|
<pre>
|
||
|
|
#include <rpc/rpc.h>
|
||
|
|
|
||
|
|
enum clnt_stat clnt_call(CLIENT *<em>clnt</em>,
|
||
|
|
const u_long <em>procnum</em>,
|
||
|
|
const xdrproc_t <em>inproc</em>,
|
||
|
|
const caddr_t <em>in</em>,
|
||
|
|
const xdrproc_t <em>outproc</em>,
|
||
|
|
caddr_t <em>out</em>,
|
||
|
|
const struct timeval <em>tout</em>);
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
Service Program Name: QZNFTRPC<br>
|
||
|
|
<!-- iddvc RMBR -->
|
||
|
|
<br>
|
||
|
|
Default Public Authority: *USE<br>
|
||
|
|
<!-- iddvc RMBR -->
|
||
|
|
<br>
|
||
|
|
Threadsafe: No<br>
|
||
|
|
<!-- iddvc RMBR -->
|
||
|
|
<br>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<p>The <strong>clnt_call()</strong> API calls the remote procedure that is
|
||
|
|
associated with the client handle pointed to by the <em>clnt</em>
|
||
|
|
parameter.</p>
|
||
|
|
|
||
|
|
<p>The caller of the <strong>clnt_call()</strong> API must pass a valid client
|
||
|
|
handle obtained from a successful call to the <strong>clnt_create()</strong>
|
||
|
|
API.</p>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Parameters</h3>
|
||
|
|
|
||
|
|
<dl>
|
||
|
|
<dt><strong>clnt</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>A pointer to the client handle structure that results from calling a client
|
||
|
|
creation function that uses a Remote Procedure Call (RPC) such as the
|
||
|
|
<strong>clnt_create()</strong> API.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>procnum</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>The procedure on the host machine.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>inproc</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>The name of the XDR procedure that encodes the procedure parameters.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>in</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>The address of the procedure arguments.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>outproc</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>The name of the XDR procedure that decodes the procedure results.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>out</strong> (Output) </dt>
|
||
|
|
|
||
|
|
<dd>The address where results are placed.<br>
|
||
|
|
<br>
|
||
|
|
</dd>
|
||
|
|
|
||
|
|
<dt><strong>tout</strong> (Input) </dt>
|
||
|
|
|
||
|
|
<dd>The time allowed for the server to respond.</dd>
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Authorities</h3>
|
||
|
|
|
||
|
|
<p>None</p>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Return Value</h3>
|
||
|
|
|
||
|
|
<table cellpadding="5">
|
||
|
|
<!-- cols="15 85" -->
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>RPC_SUCCESS (0)</em></td>
|
||
|
|
<td align="left" valign="top">Successful</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>Non-zero value</em></td>
|
||
|
|
<td align="left" valign="top"><strong>clnt_call()</strong> was not
|
||
|
|
successful.</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Error Conditions</h3>
|
||
|
|
|
||
|
|
<p>Upon failure, <strong>clnt_call()</strong> sets a private field in the
|
||
|
|
client handle. This field has a type 'struct rpc_err', and can be accessed by
|
||
|
|
the <strong>clnt_geterr()</strong> function.</p>
|
||
|
|
|
||
|
|
<p>The <em>re_status</em> field can be set to one of the following values:</p>
|
||
|
|
|
||
|
|
<table cellpadding="5">
|
||
|
|
<!-- cols="30 70" -->
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_AUTHERROR]</em></td>
|
||
|
|
<td align="left" valign="top">Authentication error. Server's response did not
|
||
|
|
pass authentication validation.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_CANTDECODERES]</em></td>
|
||
|
|
<td align="left" valign="top">The <em>outproc</em> XDR function has
|
||
|
|
failed.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_CANTENCODEARGS]</em></td>
|
||
|
|
<td align="left" valign="top">The <em>inproc</em> XDR function has failed.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_CANTRECV]</em></td>
|
||
|
|
<td align="left" valign="top">Failure in receiving result. RPC is unable to
|
||
|
|
receive server's response. The <em>re_errno</em> field is set to the value
|
||
|
|
returned from the failed call.
|
||
|
|
|
||
|
|
<table cellpadding="5">
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EBADF]</em></td>
|
||
|
|
<td align="left" valign="top">Bad file descriptor. This value is set when the
|
||
|
|
<em>client</em> parameter is not valid or the file descriptor associated with
|
||
|
|
it is already closed or damaged.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EIO]</em></td>
|
||
|
|
<td align="left" valign="top">Input/output error. This value is set as a result
|
||
|
|
of network transport failure. It indicates that RPC cannot handle an error that
|
||
|
|
occurred in the lower transport levels.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[ENOMEM]</em></td>
|
||
|
|
<td align="left" valign="top">Out of memory.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EOPNOTSUPP]</em></td>
|
||
|
|
<td align="left" valign="top">Operation is not supported. This value is set
|
||
|
|
when <em>client</em> is not valid or the file descriptor associated with it has
|
||
|
|
a limited capabilities.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EUNKNOWN]</em></td>
|
||
|
|
<td align="left" valign="top">Unknown system state.</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_CANTSEND]</em></td>
|
||
|
|
<td align="left" valign="top">Failure in sending call. RPC is unable to send a
|
||
|
|
request. The <em>re_errno</em> field is set to the value returned from the
|
||
|
|
failed call.
|
||
|
|
|
||
|
|
<table cellpadding="5">
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EBADF]</em></td>
|
||
|
|
<td align="left" valign="top">Bad file descriptor. This value is set when the
|
||
|
|
<em>client</em> parameter is not valid or the file descriptor associated with
|
||
|
|
it is already closed or damaged.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EIO]</em></td>
|
||
|
|
<td align="left" valign="top">Input/output error. This value is set as a result
|
||
|
|
of network transport failure. It indicates that RPC cannot handle an error that
|
||
|
|
occurred in the lower transport levels.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[ENOMEM]</em></td>
|
||
|
|
<td align="left" valign="top">Out of memory.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EOPNOTSUPP]</em></td>
|
||
|
|
<td align="left" valign="top">Operation is not supported. This value is set
|
||
|
|
when <em>client</em> is not valid or the file descriptor associated with it has
|
||
|
|
a limited capabilities.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[EUNKNOWN]</em></td>
|
||
|
|
<td align="left" valign="top">Unknown system state.</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_FAILED]</em></td>
|
||
|
|
<td align="left" valign="top">The <em>tout</em> parameter is not set
|
||
|
|
properly.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_INTR]</em></td>
|
||
|
|
<td align="left" valign="top">Interrupted RPC call. An exception has occurred
|
||
|
|
in the RPC API. The <em>re_errno</em> field is set to EUNKNOWN.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_TIMEDOUT]</em></td>
|
||
|
|
<td align="left" valign="top">RPC call is timed out. The client cannot receive
|
||
|
|
a response in the specified timeout period.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_PROGVERSMISNATCH]</em></td>
|
||
|
|
<td align="left" valign="top">There are no registered versions for the
|
||
|
|
program.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_PROGNOTREGISTERED]</em></td>
|
||
|
|
<td align="left" valign="top">The program is not registered with the
|
||
|
|
server.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top"><em>[RPC_PROGUNAVAIL]</em></td>
|
||
|
|
<td align="left" valign="top">The program is not registered with the
|
||
|
|
server.</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Error Messages</h3>
|
||
|
|
|
||
|
|
<table width="100%" cellpadding="5">
|
||
|
|
<tr>
|
||
|
|
<th align="left" valign="top">Message ID</th>
|
||
|
|
<th align="left" valign="top">Error Message Text</th>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td width="15%" valign="top">CPIA1B1 I</td>
|
||
|
|
<td width="85%" valign="top">A problem was encountered in the RPC client.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top">CPIA1B2 I</td>
|
||
|
|
<td align="left" valign="top">TI-RPC encountered a problem in the transport
|
||
|
|
protocol.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top">CPE3418 E</td>
|
||
|
|
<td align="left" valign="top">Possible APAR condition or hardware failure.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top">CPF3CF2 E</td>
|
||
|
|
<td align="left" valign="top">Error(s) occurred during running of &1
|
||
|
|
API.</td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
<td align="left" valign="top">CPF9872 E</td>
|
||
|
|
<td align="left" valign="top">Program or service program &1 in library
|
||
|
|
&2 ended. Reason code &3.</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Related Information</h3>
|
||
|
|
|
||
|
|
<ul>
|
||
|
|
<li><a href="rpc_call.htm">rpc_call()--Call a Remote Procedure on the Specified
|
||
|
|
System</a></li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>Example</h3>
|
||
|
|
|
||
|
|
<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
|
||
|
|
for information pertaining to code examples.</p>
|
||
|
|
|
||
|
|
<p>The following example shows how <strong>clnt_call()</strong> is used:</p>
|
||
|
|
|
||
|
|
<pre>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <rpc/rpc.h>
|
||
|
|
#include <sys/time.h>
|
||
|
|
|
||
|
|
main()
|
||
|
|
{
|
||
|
|
u_long procnum;
|
||
|
|
CLIENT *clnt;
|
||
|
|
enum clnt_stat cs;
|
||
|
|
struct rpc_err client_error;
|
||
|
|
struct timeval total_timeout;
|
||
|
|
int intsend, intrecv;
|
||
|
|
|
||
|
|
...
|
||
|
|
|
||
|
|
/* Call the remote procedure that is associated with client */
|
||
|
|
cs = <strong>clnt_call</strong>(clnt, procnum, xdr_int,
|
||
|
|
(caddr_t)&intsend, xdr_int,
|
||
|
|
(caddr_t)&intrecv, total_timeout);
|
||
|
|
|
||
|
|
if (cs != RPC_SUCCESS){
|
||
|
|
clnt_geterr(client,&client_error);
|
||
|
|
...
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<br>
|
||
|
|
<hr>
|
||
|
|
API introduced: V4R2
|
||
|
|
|
||
|
|
<hr>
|
||
|
|
<table cellpadding="2" cellspacing="2" align="center">
|
||
|
|
<tr align="center">
|
||
|
|
<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
|
||
|
|
"rpc1.htm">Remote Procedure Call (RPC) APIs</a> | <a href="aplist.htm">APIs by
|
||
|
|
category</a></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
|