Sun Cluster Data Services Developer's Guide for Solaris OS

Accessing Network Address Information

The DSDL provides convenience functions to return network address information for resources and resource groups. For example, the scds_get_netaddr_list() retrieves the network address resources that are used by a resource, enabling a fault monitor to probe the application.

The DSDL also provides a set of functions for TCP-based monitoring. Typically, these functions establish a simple socket connect to a service, read and write data to the service, and disconnect from the service. The result of the probe can be sent to the DSDL scds_fm_action() function to determine the action to take.

See xfnts_validate Method for an example of TCP-based fault monitoring.