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what is RFC?types of RFCs?please any one can give me the
interfaces in sap abap with example?

Question Posted / saifur rahaman

Answer Posted / saifur rahaman

RFC is an SAP interface protocol based on CPI-C. It is used
to simplify the programming of communication processes
between systems. RFCs enable you to call and execute
predefined functions in a remote system - or in the same
system. They manage the communication process, parameter
transfer, and error handling.


How to Check for the RFC destinations and connections on a
client from abap.

Parameters
EXPORTING
RFCDESTINATION System to be tested
IMPORTING
MSGV1 RFC message
MSGV2 RFC message
RFC_SUBRC RFC return code

Example
REPORT ZEXAMPLE.
DATA: RFCDESTINATION LIKE RSCAT-RFCDEST,
V_MSGV1 LIKE SY-MSGV1,
V_MSGV2 LIKE SY-MSGV2,
V_SUBRC LIKE SYST-SUBRC.
CALL FUNCTION 'CAT_CHECK_RFC_DESTINATION'
EXPORTING
RFCDESTINATION = RFCDESTINATION
IMPORTING
MSGV1 = V_MSGV1
MSGV2 = V_MSGV2
RFC_SUBRC = V_SUBRC.
IF V_SUBRC NE 0.
WRITE:/ 'ERROR:', V_MSGV1, V_MSGV2.
ELSE.
SET PARAMETER ID 'RFC' FIELD RFCDESTINATION.
WRITE:/ 'CONNECTION TO', RFCDESTINATION, 'IS WORKING'.
ENDIF.
See Also
CAT_PING, TH_SERVER_LIST

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