1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Implements SLPGetRefreshInterval. This call is an AttrRqst with 31 * the special service type service:directory-agent.sun, sent 32 * only to slpd via loopback, so it mimics the course of a normal 33 * SLPFindAttrs call but reroutes the message to slpd. 34 */ 35 36 #include <stdlib.h> 37 #include <unistd.h> 38 #include <syslog.h> 39 #include <netdb.h> 40 #include <slp-internal.h> 41 42 static SLPBoolean refresh_interval_cb(SLPHandle, const char *, 43 SLPError, void *); 44 45 unsigned short SLPGetRefreshInterval() { 46 slp_handle_impl_t *hp; /* SLP handle for this request */ 47 SLPError err; /* any SLPError */ 48 char *reply = NULL; /* reply from slpd */ 49 void *collator = NULL; /* attr collation handle */ 50 int mr = 0; /* max results placeholder */ 51 unsigned short max = 0; /* max interval result cookie */ 52 char *msg = NULL; /* attrrqst msg */ 53 char hostname[MAXHOSTNAMELEN]; /* name of this host */ 54 55 if ((err = SLPOpen("en", SLP_FALSE, (void **)&hp)) != SLP_OK) { 56 slp_err(LOG_INFO, 0, "SLPGetRefreshInterval", 57 "Could not get SLPHandle: %s", slp_strerror(err)); 58 return (0); 59 } 60 61 /* tag this as an internal call */ 62 hp->internal_call = SLP_TRUE; 63 64 /* scope is name of this host */ 65 (void) gethostname(hostname, MAXHOSTNAMELEN); 66 67 if (slp_packAttrRqst_single(SLP_SUN_DA_TYPE, 68 hostname, 69 "min-refresh-interval", 70 &msg, "en") != SLP_OK) { 71 goto done; 72 } 73 74 if (slp_send2slpd(msg, &reply) != SLP_OK) { 75 goto done; 76 } 77 78 (void) slp_UnpackAttrReply(hp, reply, refresh_interval_cb, 79 &max, &collator, &mr); 80 81 /* clean up by invoking last call */ 82 (void) slp_UnpackAttrReply(hp, NULL, refresh_interval_cb, 83 &max, &collator, &mr); 84 85 done: 86 if (msg) free(msg); 87 if (reply) free(reply); 88 89 SLPClose(hp); 90 91 return (max); 92 } 93 94 /*ARGSUSED*/ 95 static SLPBoolean refresh_interval_cb(SLPHandle h, const char *attrs, 96 SLPError err, void *cookie) { 97 char *p, *next; 98 unsigned short *max = (unsigned short *)cookie; 99 100 if (err != SLP_OK) { 101 return (SLP_TRUE); 102 } 103 104 p = strchr(attrs, '='); 105 if (!p) { 106 *max = 0; 107 } 108 109 /* walk through all intervals, looking for the greatest */ 110 for (p++; p; p = next) { 111 unsigned short anint; 112 113 next = strchr(p, ','); 114 if (next) { 115 *next++ = 0; 116 } 117 118 anint = (unsigned short)atoi(p); 119 if (anint > *max) { 120 *max = anint; 121 } 122 } 123 124 return (SLP_TRUE); 125 } 126