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Sample Programs
Connectionless Mode
*/
check_ctrl(DL_OK_ACK);
/* return the file descriptor for the stream to the caller */ return(fd);
}
/**************************************************************************
bind to a sap with a specified service mode and max_conind; returns the local DLSAP and its length
**************************************************************************/
void
bind(fd, sap, max_conind, service_mode, dlsap, dlsap_len)
int | fd; | /* file descriptor */ |
int | sap; | /* 802.2 SAP to bind on */ |
int | max_conind; | /* max # of connect indications to accept */ |
int | service_mode; | /* either DL_CODLS or DL_CLDLS */ |
u_char | *dlsap; | /* return DLSAP */ |
int | *dlsap_len; | /* return length of dlsap */ |
{ |
|
|
dl_bind_req_t dl_bind_ack_t u_char
*bind_req = (dl_bind_req_t *)ctrl_area; *bind_ack = (dl_bind_ack_t *)ctrl_area; *dlsap_addr;
/* fill in the BIND_REQ */
/* send the BIND_REQ and wait for the OK_ACK */ put_ctrl(fd, sizeof(dl_bind_req_t), 0); get_msg(fd);
check_ctrl(DL_BIND_ACK);
/* return the DLSAP to the caller */ *dlsap_len =
dlsap_addr = (u_char *)ctrl_area +
}
/************************************************************************** bind to a SNAP sap via the DL_PEER_BIND, or DL_HIERARCHICAL_BIND subsequent bind class; returns the local DLSAP and its length
**************************************************************************/
void
subs_bind(fd, snapsap, snapsap_len, subs_bind_class, dlsap, dlsap_len)
int fd;
u_char *snapsap;
int subs_bind_class; u_char *dlsap;
Appendix A | 161 |