Name | Synopsis | Parameters | Description | Return Values | Attributes | See Also
cc [ flag… ] file… -ldat [ library… ] #include <dat/udat.h> DAT_RETURN dat_ep_query ( IN DAT_EP_HANDLE ep_handle, IN DAT_EP_PARAM_MASK ep_param_mask, OUT DAT_EP_PARAM *ep_param )
Handle for an instance of the Endpoint.
Mask for Endpoint parameters.
Pointer to a Consumer-allocated structure that the Provider fills with Endpoint parameters.
The dat_ep_query() function provides the Consumer parameters, including attributes and status, of the Endpoint. Consumers pass in a pointer to Consumer-allocated structures for Endpoint parameters that the Provider fills.
The ep_param_mask parameter allows Consumers to specify which parameters to query. The Provider returns values for ep_param_mask requested parameters. The Provider can return values for any other parameters.
Some of the parameters only have values for certain Endpoint states. Specifically, the values for remote_ia_address and remote_port_qual are valid only for Endpoints in the DAT_EP_STATE_PASSIVE_CONNECTION_PENDING, DAT_EP_STATE_ACTIVE_CONNECTION_PENDING, DAT_EP_STATE_TENTATIVE_CONNECTION_PENDING, DAT_EP_STATE_DISCONNECT_PENDING, DAT_EP_STATE_COMPLETION_PENDING, or DAT_EP_STATE_CONNECTED states. The values of local_port_qual is valid only for Endpoints in the DAT_EP_STATE_PASSIVE_CONNECTION_PENDING, DAT_EP_STATE_ACTIVE_CONNECTION_PENDING, DAT_EP_STATE_DISCONNECT_PENDING, DAT_EP_STATE_COMPLETION_PENDING, or DAT_EP_STATE_CONNECTED states, and might be valid for DAT_EP_STATE_UNCONNECTED, DAT_EP_STATE_RESERVED, DAT_EP_STATE_TENTATIVE_CONNECTION_PENDING, DAT_EP_STATE_PASSIVE_CONNECTION_PENDING, and DAT_EP_STATE_UNCONNECTED states.
The operation was successful.
The ep_handle parameter is invalid.
The ep_param_mask parameter is invalid.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Standard: uDAPL, 1.1, 1.2 |
MT-Level |
Unsafe |
Name | Synopsis | Parameters | Description | Return Values | Attributes | See Also