DLPI Primitives
Connection-mode Service Primitives
DL_TOKEN_REQ
Requests that a connection response token be assigned to the stream and returned to the DLS user. This token can be supplied in the DL_CONNECT_RES primitive to indicate the stream on which a connection will be established.
Format
The message consists of one M_PROTO message block containing the structure shown below.
typedef struct { |
|
ulong | dl_primitive; |
} dl_token_req_t; |
|
Parameters |
|
dl_primitive |
|
DL_TOKEN_REQ
State
The message is valid in any state in which a local acknowledgement is not pending, as described in Appendix B, Allowable Sequence of DLPI Primitives, of the DLPI 2.0 specification.
New State
The resulting state is unchanged.
Response
The DLS provider responds to the information request with a DL_TOKEN_ACK.
DL_TOKEN_ACK
This message is sent in response to DL_TOKEN_REQ; it conveys the connection response token assigned to the stream.
Format
The message consists of one M_PROTO message block containing the structure shown below.
typedef struct { |
|
ulong | dl_primitive; |
ulong | dl_token; |
} dl_token_ack_t; |
|
Chapter 2 | 117 |