*DECK IPISPFI 
USETEXT TEXTIPL 
      PROC IPISPFI; 
*CALL COPYRITE          CDCNET - COPYRIGHT CONTROL DATA. 1992.
# TITLE IPISPFI - PROCESS FC/INIT SUPERVISORY MESSAGE.                 #
 
      BEGIN                            # IPISPFI                       #
# 
****  IPISPFI  PROCESS FC/INIT SUPERVISORY MESSAGE. 
* 
*     THIS PROCEDURE PROCESSES A FC/INIT SUPERVISORY MESSAGE. 
* 
*     PROC IPISPFI
* 
*     ENTRY    P<APSM> = PTR TO THE INPUT SUPERVISORY MESSAGE (*INBUF*).
* 
*     EXIT     P<APSM>    = PTR TO OUTPUT SUPERVISORY MESSAGE (*OUTBUF*). 
*              ISS$STATUS = SET TO *OK* IF ACN MATCH. 
*              ACN$STATTE = SET TO *OPEN*.
* 
*     METHOD   IF THE CONNECTION STATE IS NOT *CONNECTED* OR *CLOSING*, 
*              THEN, TREAT IT AS A NAM PROTOCOL ERROR.
* 
*              IF THE CONNECTION STATE IS *CONNECTED*, CHANGE THE ACN 
*              STATE TO ACTIVE AND SEND THE FC/INIT/N SUPERVISORY 
*              MESSAGE. 
* 
*              IF THE CONNECTION STATE IS *CLOSING*, THEN IGNORE THE
*              MESSAGE. 
* 
# 
 
# 
****  PROC IPISPFI - XREF LIST
# 
      XREF
        BEGIN 
        PROC IPIAIPA;    # ABORT THE IP APPLICATION                    #
        PROC IPIDOSM;    # DISPATCH OUTPUT SUPERVISORY MESSAGE         #
        END 
# 
**
# 
      CONTROL EJECT;
 
# 
****  START MAIN PROCEDURE
# 
      CURACN = FCACN [0]; 
 
# 
****  IF THE CONNECTION STATE IS NOT *CONNECTED* OR *CLOSING* THEN
*     TREAT AS A NAM PROTOCOL ERROR.
# 
      IF     (ACN$STATE [CURACN] NQ S"CONNECTED") 
         AND (ACN$STATE [CURACN] NQ S"CLOSING") 
      THEN
        BEGIN 
        IPIAIPA (NFCINIT$); 
        RETURN; 
        END 
# 
****  IF CONNECT STATE IS *CONNECTED*, SEND FC/INIT/N SUPERVISORY 
*     MESSAGE AND SET THE CONNECTION STATE TO *OPEN*.  IF APPLICATION 
*     INITIATED CONNECTION, UPDATE THE SOCKET STATUS ENTRY FOR IPINITH. 
# 
      IF ACN$STATE [CURACN] EQ S"CONNECTED" 
      THEN
        BEGIN 
        IF ISS$ACN [0] EQ CURACN
        THEN
          BEGIN                        # APPLICATION INIT CONNECTION   #
          ISS$STATUS [0] = SOCKSTAT"OK";
          END 
        ACN$STATE [CURACN] = S"OPEN";  # CONNECTION STATE NOW *OPEN*   #
        P<APSM>  = LOC (OUTBUF);       # BASE SUPERVISORY MESSAGE PTR  #
        SPMSG0[0] = 0;                 # CLEAR FIRST WORD              #
        FCACN [0] = CURACN;            # SET CONNECTION NUMBER         #
        IPIDOSM (FCINITN, LFCINTN);    # FORMAT AND SEND FC/INIT/N SM  #
        END 
 
      RETURN;                          # RETURN TO CALLER              #
 
      END                              # IPISPFI                       #
 
      TERM