Chapter 15. Distribution Routines
Table 15.1. Distribution Routines
| Function | Description |
|---|---|
| distribution_plugin_entry_point() | Allows for backend distribution. |
15.1. distribution_plugin_entry_point()
Backend distribution is the capability to span the LDAP subtree contents under a specified DIT node into multiple backends in the same server and/or database links to other servers. Under such a configuration, this function is responsible for deciding where the database or database link under the DIT node will be applied. This function will be called for every operation reaching a DIT node, including subtree search operations that are started above the node.
This function should return the index of the backend in the mtn_be_names table that is used to resolve the current operation. For search operations, SLAPI_BE_ALL_BACKENDS can be returned to specify that backends must be searched. The use of SLAPI_BE_ALL_BACKENDS for non-search operations is not supported and may give random results.
#include "slapi-plugin.h" int distribution_plugin_entry_point (Slapi_PBlock *pb, Slapi_DN *target_dn, char **mtn_be_names, int be_count, Slapi_DN * node_dn);
This function takes the following parameters:
| pb | Pointer to the parameter block of the operation. |
| target_dn | Pointer to the target DN of the operation. |
| mtn_be_names | Pointer to the list of names of backends declared for this node. |
| be_count | The number of backends declared under a specified DIT node. |
| node_dn | DN of the node where the distribution function is set. |
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