ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/eimcreatehandle.htm

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<title>eimCreateHandle()--Create an EIM Handle</title>
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<h2>eimCreateHandle()--Create an EIM
Handle</h2>
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<br>
&nbsp;&nbsp;Syntax
<pre>
#include &lt;eim.h&gt;
int eimCreateHandle(EimHandle * <em>eim</em>,
char * <em>ldapURL</em>,
EimRC * <em>eimrc</em>)
</pre>
&nbsp;&nbsp;Service Program Name: QSYS/QSYEIM<br>
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&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Threadsafe: Yes<br>
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<p>The <strong>eimCreateHandle()</strong> function is used to allocate
an EimHandle structure, which is used to identify the EIM connection
and to maintain per-connection information. The EimHandle structure
should be passed on subsequent calls to other EIM operations.</p>
<br>
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<h3>Authorities and Locks</h3>
<p>If a NULL is not passed for the ldapURL parameter,
then the caller of the API must have *SECADM special authority.</p>
<br>
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<h3>Parameters</h3>
<dl>
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<!-- eim -->
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<dt><strong>eim</strong>&nbsp;&nbsp;(Output)</dt>
<dd>
The pointer to an EIM handle to be returned. This handle is used as input
for other EIM APIs. The handle is temporary; you can use it only in the job
that created it.
<br><br></dd>
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<!-- ldapURL -->
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<dt><strong>ldapURL</strong>&nbsp;&nbsp;(Input)</dt>
<dd>A uniform resource locator (URL) that contains the EIM host information.
A NULL parameter indicates that the <samp>ldapURL</samp> information
set by the eimSetConfiguration() API should be used.
This URL has the following format:
<pre>
ldap://host:port/dn
or
ldaps://host:port/dn
</pre>
<p>where:</p>
<ul>
<li><samp>host:port</samp> is the name of the host on which the EIM domain
controller is running with an optional port number.</li>
<li><samp>dn</samp> is the distinguished name of the domain to work with.</li>
<li><samp>ldaps</samp> indicates that this host/port combination uses SSL and
TLS.</li>
</ul>
<p>Examples:</p>
<ul>
<li>ldap://systemx:389/ibm-eimDomainName=myEimDomain,o=myCompany,c=us</li>
<li>ldaps://systemy:636/ibm-eimDomainName=thisEimDomain</li>
</ul>
<br></dd>
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<!-- eimrc -->
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<dt><strong>eimrc</strong>&nbsp;&nbsp;(Input/Output)</dt>
<dd>
The structure in which to return error code information. If the return value
is not 0, eimrc is set with additional information. This parameter may be NULL.
For the format of the structure, see <a href="eimrc.htm">EimRC--EIM Return Code
Parameter</a>.
<br><br></dd>
</dl>
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<h3>Return Value</h3>
<p>The return value from the API. Following each return value is the list of
possible values for the
<samp>messageCatalogMessageID</samp> field in the <em>eimrc</em> parameter
for that value.</p>
<dl>
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<dt><strong>0</strong></dt>
<dd>Request was successful.<br>
<br>
</dd>
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<dt><strong>EACCES</strong></dt>
<dd>Access denied.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_AUTH_ERR (7)</em></td>
<td align="left" valign="top">Insufficient authority for the operation.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>EBADDATA </strong></dt>
<dd>eimrc is not valid.<br>
<br>
</dd>
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<dt><strong>EBUSY </strong></dt>
<dd>Unable to allocate internal system object.<br>
<br>
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<tr>
<td align="left" valign="top"><em>EIMERR_NOLOCK (26)</em></td>
<td align="left" valign="top">Unable to allocate internal system object.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>ECONVERT </strong></dt>
<dd>Data conversion error.<br>
<br>
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<tr>
<td align="left" valign="top"><em>EIMERR_DATA_CONVERSION (13)</em></td>
<td align="left" valign="top">Error occurred when converting data between code pages.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>EINVAL </strong></dt>
<dd>Input parameter was not valid.<br>
<br>
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<tr>
<td align="left" valign="top"><em>EIMERR_PARM_REQ (34)</em></td>
<td align="left" valign="top">Missing required parameter. Please check API documentation.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_PTR_INVAL (35)</em></td>
<td align="left" valign="top">Pointer parameter is not valid.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_URL_NODN (45)</em></td>
<td align="left" valign="top">URL has no dn (required).</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_URL_NODOMAIN (46)</em></td>
<td align="left" valign="top">URL has no domain (required).</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_URL_NOHOST (47)</em></td>
<td align="left" valign="top">URL does not have a host.</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_URL_NOTLDAP (49)</em></td>
<td align="left" valign="top">URL does not begin with ldap.</td>
</tr>
<tr>
<td align="left" valign="top"><em> EIMERR_INVALID_DN (66)</em></td>
<td align="left" valign="top">Distinguished Name (DN) is not valid.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>ENOMEM </strong></dt>
<dd>Unable to allocate required space.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_NOMEM (27)</em></td>
<td align="left" valign="top">No memory available. Unable to allocate required space.</td>
</tr>
</table>
<br>
</dd>
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<dt><strong>ENOSYS </strong></dt>
<dd>EIM is not configured.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_NOTCONFIG (30)</em></td>
<td align="left" valign="top">EIM environment is not configured. Run
eimSetConfiguration() API and try the request again.</td>
</tr>
</table>
<br>
</dd>
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<!-- EUNKNOWN -->
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<dt><strong>EUNKNOWN </strong></dt>
<dd>Unexpected exception.<br>
<br>
<table cellpadding="5">
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<tr>
<td align="left" valign="top"><em>EIMERR_LDAP_ERR (23)</em></td>
<td align="left" valign="top">Unexpected LDAP error. %s</td>
</tr>
<tr>
<td align="left" valign="top"><em>EIMERR_UNKNOWN (44)</em></td>
<td align="left" valign="top">Unknown error or unknown system state.</td>
</tr>
</table>
</dd>
</dl>
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<h3>Related Information</h3>
<ul>
<li><a href="eimdestroyhandle.htm">eimDestroyHandle()</a>--Destroy an EIM
Handle<br>
<br>
</li>
<li><a href="eimgetattribute.htm">eimGetAttribute()</a>--Get EIM Attributes<br>
<br>
</li>
<li><a href="eimsetattribute.htm">eimSetAttribute()</a>--Set EIM Attributes<br>
<br>
</li>
<li><a href="eimconnecttomaster.htm">eimConnectToMaster()</a>--Connect to EIM
Master Domain<br>
<br>
</li>
<li><a href="eimconnect.htm">eimConnect()</a>--Connect to EIM
Domain<br>
<br>
</li>
</ul>
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<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 creates an EIM handle.</p>
<pre>
#include &lt;eim.h&gt;
#include &lt;stdio.h&gt;
int main(int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC * err;
EimHandle handle;
EimHandle handle2;
char * ldapURL = "ldap://eimsystem:389/ibm-eimDomainName=myEimDomain,o=mycompany,c=us";
<em>/* Set up error structure. */</em>
memset(eimerr,0x00,100);
err = (EimRC *)eimerr;
err->memoryProvidedByCaller = 100;
<em>/* Create a new eim handle. Use the eim configuration URL */</em>
if (0 != (rc = eimCreateHandle(&amp;handle,
NULL,
err)))
printf("Create handle error = %d", rc);
<em>/* Create a new eim handle. Use the specified URL */</em>
if (0 != (rc = eimCreateHandle(&amp;handle2,
ldapURL,
err)))
printf("Create handle error = %d", rc);
return 0;
}
</pre>
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API introduced: V5R2
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