rapi_strerror(3) Library Functions Manual rapi_strerror(3)NAME
rapi_strerror - Get a RAPI error message string
LIBRARY
RAPI Library (librsvp.so, librsvp.a)
SYNOPSIS
#include <rapi.h>
const char *rapi_strerror( int ErrorCode, int ErrorValue);
PARAMETERS
Specifies the RAPI error code that was returned by a failed call to a RAPI routine. Specifies the RAPI error value that was returned by a
failed call to a RAPI routine.
DESCRIPTION
The rapi_strerror() routine maps an error code and value to an error message string, and returns a pointer to that error message string.
RETURN VALUES
Upon successful completion, the rapi_strerror() routine returns a pointer to an error message string. If the arguments are out of bounds,
the routine returns NULL.
RELATED INFORMATION
Functions: rapi_dispatch(3), rapi_event_rtn_t(3), rapi_getfd(3), rapi_release(3), rapi_reserve(3), rapi_sender(3), rapi_session(3),
rapi_version(3).
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rapi_strerror(3)
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rapi_session(3) Library Functions Manual rapi_session(3)NAME
rapi_session - Create an Resource ReSerVation Protocol (RSVP) API session
LIBRARY
RAPI Library (librsvp.so, librsvp.a)
SYNOPSIS
#include <rapi.h>
rapi_sid_t rapi_session( rapi_addr_t *Dest, int Protid, unsigned int flags, rapi_event_return_t *Event_rtn, void
*Event_arg, int *errnop);
PARAMETERS
Points to a rapi_addr_t structure that contains the destination IP address (IPv4 or IPv6) and port number to which data is sent. The Dest
and Protid parameters together define an RSVP session. If the Protid specifies the UDP or TCP transport, the port corresponds to the
appropriate transport port number. See RSVP(7) for the format of the rapi_addr_t structure. Specifies the IP protocol identifier for the
session. If you do not set this parameter, the API defaults to the UDP protocol (value 17). Specifies one of the following flags: If this
flag is set, this indicates that IntServ formats are used on upcalls; otherwise, Simplified formats are used. See RSVP(7) for a descrip-
tion of RAPI objects and formats. Points to an upcall routine that is invoked to notify the application of RSVP errors and state change
events. Pending events cause the invocation of the upcall function. If no such upcall routine exists, set the parameter to NULL. See
rapi_event_rtn_t(3) for more information. Points to an argument to be passed to the upcall routine when it is invoked. This is an
optional parameter. Points to an integer into which a RSVP API (RAPI) error code is returned.
DESCRIPTION
The rapi_session() routine creates an RSVP API session.
If the call to rapi_session() succeeds, the application might receive upcalls of type RAPI_PATH_EVENT for the API session.
NOTES
An application can have multiple API sessions registered for the same RSVP session or different RSVP sessions at the same time. Each API
session can have only one sender associated with it. Therefore, in order to announce multiple senders for a given RSVP session, an appli-
cation must announce each sender in a separate API session.
If two API sessions for the same RSVP session are receiving data, they are assumed to have joined the same multicast group and will receive
the same data packets. At present, if two or more such sessions issue calls to the rapi_reserve() routine, their reservation parameters
must agree or unpredictable results occur; reservation parameter conflicts are not checked.
RETURN VALUES
Upon successful completion, the rapi_session() routine returns a non-zero session handle for use in subsequent calls related to this RSVP
API session.
Upon failure, it returns a session handle with a value of zero (RAPI_NULL_SID) and sets an integer variable pointed to by errnop to an RAPI
error code.
RELATED INFORMATION
Functions: rapi_dispatch(3), rapi_event_rtn_t(3), rapi_getfd(3), rapi_release(3), rapi_reserve(3), rapi_sender(3), rapi_strerror(3),
rapi_version(3).
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rapi_session(3)