#include <eim.h>
int eimListRegistryAliases(EimHandle * eim,
char * registryName,
unsigned int lengthOfListData,
EimList * listData,
EimRC * eimrc)
Service Program Name: QSYS/QSYEIMThe eimListRegistriesAliases() function returns a list of all the aliases defined for a particular registry.
The list returned contains only the information that the user has authority to access.
The EimList structure contains information about the returned data. The API will return as much data as space has been provided. The data returned is a linked list of EimRegistryAlias structures. firstEntry is used to get to the first EimRegistryAlias structure in the linked list.
EimList structure:
typedef struct EimList
{
unsigned int bytesReturned; /* Number of bytes actually returned
by the API */
unsigned int bytesAvailable; /* Number of bytes of available data
that could have been returned by
the API */
unsigned int entriesReturned; /* Number of entries actually
returned by the API */
unsigned int entriesAvailable; /* Number of entries available to be
returned by the API */
unsigned int firstEntry; /* Displacement to the first linked
list entry. This byte offset is
relative to the start of the
EimList structure. */
} EimList;
EimRegistryAlias structure:
typedef struct EimRegistryAlias
{
unsigned int nextEntry; /* Displacement to next entry. This
byte offset is relative to the
start of this structure */
EimListData type; /* Alias type */
EimListData value; /* Alias value */
} EimRegistryAlias;
EimListData structure:
typedef struct EimListData
{
unsigned int length; /* Length of data */
unsigned int disp; /* Displacement to data. This byte
offset is relative to the start of
the parent structure; that is, the
structure containing this
structure. */
} EimListData;
The return value from the API. Following each return value is the list of possible values for the messageCatalogMessageID field in the eimrc parameter for that value.
| EIMERR_ACCESS (1) | Insufficient access to EIM data. |
| EIMERR_NOREG (28) | EIM Registry not found or insufficient access to EIM data. |
| EIMERR_NOLOCK (26) | Unable to allocate internal system object. |
| EIMERR_DATA_CONVERSION (13) | Error occurred when converting data between code pages. |
| EIMERR_EIMLIST_SIZE (16) | Length of EimList is not valid. EimList must be at least 20 bytes in length. |
| EIMERR_HANDLE_INVAL (17) | EimHandle is not valid. |
| EIMERR_PARM_REQ (34) | Missing required parameter. Please check API documentation. |
| EIMERR_PTR_INVAL (35) | Pointer parameter is not valid. |
| EIMERR_SPACE (41) | Unexpected error accessing parameter. |
| EIMERR_NOMEM (27) | No memory available. Unable to allocate required space. |
| EIMERR_NOT_CONN (31) | Not connected to LDAP. Use eimConnect() API and try the request again. |
| EIMERR_LDAP_ERR (23) | Unexpected LDAP error. %s |
| EIMERR_UNKNOWN (44) | Unknown error or unknown system state. |
The following example lists all aliases for the specified registry.
Note: By using the code examples, you agree to the terms of the Code license and disclaimer information.
#include <eim.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
void printListResults(EimList * list);
void printListData(char * fieldName,
void * entry,
int offset);
int main(int argc, char *argv[])
{
int rc;
char eimerr[100];
EimRC * err;
EimHandle * handle;
/* Get eim handle from input arg. */
/* This handle is already connected to EIM. */
handle = (EimHandle *)argv[1];
/* Set up error structure. */
memset(eimerr,0x00,100);
err = (EimRC *)eimerr;
err->memoryProvidedByCaller = 100;
/* Get all aliases for the registry */
if (0 != (rc = eimListRegistryAliases(handle,
"MyRegistry",
1000,
list,
err)))
{
printf("List registry aliases error = %d", rc);
return -1;
}
/* Print the results */
printListResults(list);
return 0;
}
void printListResults(EimList * list)
{
int i;
EimRegistryAlias * entry;
printf("___________\n");
printf(" bytesReturned = %d\n", list->bytesReturned);
printf(" bytesAvailable = %d\n", list->bytesAvailable);
printf(" entriesReturned = %d\n", list->entriesReturned);
printf(" entriesAvailable = %d\n", list->entriesAvailable);
printf("\n");
entry = (EimRegistryAlias *)((char *)list + list->firstEntry);
for (i = 0; i < list->entriesReturned; i++)
{
/* Print out results */
printListData("Registry Alias Type",
entry,
offsetof(EimRegistryAlias, type));
printListData("Registry Alias Value",
entry,
offsetof(EimRegistryAlias, value));
/* advance to next entry */
entry = (EimRegistryAlias *)((char *)entry + entry->nextEntry);
}
printf("\n");
}
void printListData(char * fieldName,
void * entry,
int offset)
{
EimListData * listData;
char * data;
int dataLength;
printf(" %s = ",fieldName);
/* Address the EimListData object */
listData = (EimListData *)((char *)entry + offset);
/* Print out results */
data = (char *)entry + listData->disp;
dataLength = listData->length;
if (dataLength > 0)
printf("%.*s\n",dataLength, data);
else
printf("Not found.\n");
}
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