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Annotation of 43BSD/contrib/xns/morexnslib/ch/CHenumalias.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: /* $Header: CHenumalias.c,v 2.0 85/11/21 07:22:29 jqj Exp $ */
        !             3: 
        !             4: /* contains:
        !             5:  * CH_EnumerateAliases
        !             6:  */
        !             7: 
        !             8: /* $Log:       CHenumalias.c,v $
        !             9:  * Revision 2.0  85/11/21  07:22:29  jqj
        !            10:  * 4.3BSD standard release
        !            11:  * 
        !            12:  * Revision 1.1  85/03/26  06:26:58  jqj
        !            13:  * Initial revision
        !            14:  * 
        !            15:  * Revision 1.1  85/03/26  06:26:58  jqj
        !            16:  * Initial revision
        !            17:  * 
        !            18:  */
        !            19: #include <sys/types.h>
        !            20: #include <netns/ns.h>
        !            21: #include "Clearinghouse2_defs.h"
        !            22: #include <xnscourier/CHEntries.h>
        !            23: #include <xnscourier/except.h>
        !            24: 
        !            25: /*
        !            26:  * This module contains the routine:
        !            27:  * int CH_EnumerateAliases(pattern,eachName)
        !            28:  *     ObjectNamePattern pattern;
        !            29:  *     NameProcedure eachName;
        !            30:  * where NameProcedure is a procedure of the form:
        !            31:  * int eachName(name)
        !            32:  *     Object name;
        !            33:  */
        !            34: #define MAXPACKS 5
        !            35: 
        !            36: static (*ProcEachName)();              /* use:  (*ProcEachName)(arg); */
        !            37: static Cardinal nullhash = 0;
        !            38: static Authenticator nullagent = {{0,{0,(Unspecified*) 0}},
        !            39:                                  {1,&nullhash}};
        !            40: static ObjectName currentname;
        !            41: extern struct ns_addr *LookupCHAddr();
        !            42: 
        !            43: static
        !            44: listObject(name)
        !            45:        ObjectName name;
        !            46: {
        !            47:        printf("%s:%s:%s\n", name.object, name.domain, name.organization);
        !            48: }
        !            49: 
        !            50: static
        !            51: GetObjectNames(conn)
        !            52:        CourierConnection *conn;
        !            53: {
        !            54:        int count, i;
        !            55:        Unspecified buffer[MAXWORDS*MAXPACKS], *bp, *bufend;
        !            56:        StreamOfObjectName obnames;
        !            57:        
        !            58:        bufend = buffer;
        !            59:        bp = buffer+((MAXWORDS-1)*MAXPACKS);    /* end of available space */
        !            60:        while (count = BDTread(conn, (char*)bufend, 
        !            61:                                MAXWORDS*sizeof(Unspecified))
        !            62:                ) {
        !            63:                bufend += count/sizeof(Unspecified);
        !            64:                if (bufend > bp) {
        !            65:                        fprintf(stderr,"BDT read too big to fit\n");
        !            66:                        BDTabort(conn);
        !            67:                        /* should clear out stuff here if we knew how much */
        !            68:                }
        !            69:        }
        !            70:        bp = buffer;
        !            71:        while (bp < bufend) {
        !            72:                bp += internalize_StreamOfObject(&obnames,bp);
        !            73:                if (0 == (int) obnames.designator) {
        !            74:                   for (i=0; i < obnames.nextSegment_case.segment.length; i++) {
        !            75:                        (*ProcEachName)(
        !            76:                                obnames.nextSegment_case.segment.sequence[i]);
        !            77:                   }
        !            78:                   free(obnames.nextSegment_case.segment.sequence);
        !            79:                } else {
        !            80:                   for (i = 0; i < obnames.lastSegment_case.length; i++) {
        !            81:                        (*ProcEachName)(
        !            82:                                obnames.lastSegment_case.sequence[i]);
        !            83:                   }
        !            84:                   free(obnames.lastSegment_case.sequence);
        !            85:                   return;
        !            86:                }
        !            87:        }
        !            88: }
        !            89: 
        !            90: CH_EnumerateAliases(pattern,eachName)
        !            91:        ObjectNamePattern pattern;
        !            92:        int (*eachName)();
        !            93: {
        !            94:        CourierConnection *conn;
        !            95:        extern CourierConnection *CH_GetFirstCH();
        !            96: 
        !            97:        if (eachName != NULL)
        !            98:                ProcEachName = eachName;
        !            99:        else
        !           100:                ProcEachName = listObject;
        !           101:        if (pattern.object == NULL ||
        !           102:            pattern.domain == NULL ||
        !           103:            pattern.organization == NULL)
        !           104:                return(1);
        !           105: 
        !           106:        if ((conn = CH_GetFirstCH()) == NULL) {
        !           107:                fprintf(stderr,"Can't open connection to local Clearinghouse\n");
        !           108:                return(1);
        !           109:        }
        !           110:        DURING {
        !           111:                ListAliases(conn, GetObjectNames, pattern,
        !           112:                                BulkData1_immediateSink, nullagent);
        !           113:        } HANDLER {
        !           114:                return(Exception.Code); /* some random error */
        !           115:                /* should handle WrongServer here */
        !           116:        } END_HANDLER;
        !           117:        CourierClose(conn);
        !           118:        return(0);
        !           119: }

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