1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdio.h> 30*0Sstevel@tonic-gate #include <stdlib.h> 31*0Sstevel@tonic-gate #include <thread.h> 32*0Sstevel@tonic-gate #include <synch.h> 33*0Sstevel@tonic-gate #include <syslog.h> 34*0Sstevel@tonic-gate #include <arpa/inet.h> 35*0Sstevel@tonic-gate #include <slp-internal.h> 36*0Sstevel@tonic-gate #include <slp_net_utils.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate SLPError SLPOpen(const char *pcLang, SLPBoolean isAsync, SLPHandle *phSLP) { 39*0Sstevel@tonic-gate slp_handle_impl_t *hp; 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate if (!pcLang || !phSLP) { 42*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 43*0Sstevel@tonic-gate } 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* allocate the handle */ 46*0Sstevel@tonic-gate if (!(hp = malloc(sizeof (*hp)))) { 47*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "SLPOpen", "out of memory"); 48*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 49*0Sstevel@tonic-gate } 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* initialize outcall synchronization */ 52*0Sstevel@tonic-gate hp->pending_outcall = SLP_FALSE; 53*0Sstevel@tonic-gate (void) mutex_init(&(hp->outcall_lock), NULL, NULL); 54*0Sstevel@tonic-gate (void) cond_init(&(hp->outcall_cv), NULL, NULL); 55*0Sstevel@tonic-gate hp->close_on_end = SLP_FALSE; 56*0Sstevel@tonic-gate hp->consumer_tid = 0; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* locale property overrides argument */ 59*0Sstevel@tonic-gate if (!(hp->locale = SLPGetProperty(SLP_CONFIG_LOCALE))) { 60*0Sstevel@tonic-gate hp->locale = pcLang; 61*0Sstevel@tonic-gate } 62*0Sstevel@tonic-gate /* Make sure the language string is under our ownership */ 63*0Sstevel@tonic-gate if (!(hp->locale = strdup(hp->locale))) { 64*0Sstevel@tonic-gate free(hp); 65*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "SLPOpen", "out of memory"); 66*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 67*0Sstevel@tonic-gate } 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate hp->cancel = 0; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* Asynchronous operation? */ 72*0Sstevel@tonic-gate if (isAsync) 73*0Sstevel@tonic-gate hp->async = SLP_TRUE; 74*0Sstevel@tonic-gate else 75*0Sstevel@tonic-gate hp->async = SLP_FALSE; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate /* TCP vars -- these are NULL until actually needed */ 78*0Sstevel@tonic-gate hp->tcp_lock = NULL; 79*0Sstevel@tonic-gate hp->tcp_wait = NULL; 80*0Sstevel@tonic-gate hp->tcp_ref_cnt = 0; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* Consumer / Producer pipe */ 83*0Sstevel@tonic-gate hp->q = NULL; 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate /* Interface info, loaded on demand */ 86*0Sstevel@tonic-gate hp->ifinfo = NULL; 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* force multicast, false by default */ 89*0Sstevel@tonic-gate hp->force_multicast = SLP_FALSE; 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* internal call, false by default */ 92*0Sstevel@tonic-gate hp->internal_call = SLP_FALSE; 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate *phSLP = hp; 95*0Sstevel@tonic-gate return (SLP_OK); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate void slp_cleanup_handle(slp_handle_impl_t *hp) { 99*0Sstevel@tonic-gate /* free the handle */ 100*0Sstevel@tonic-gate if (hp->tcp_lock) free(hp->tcp_lock); 101*0Sstevel@tonic-gate if (hp->tcp_wait) free(hp->tcp_wait); 102*0Sstevel@tonic-gate if (hp->ifinfo) { 103*0Sstevel@tonic-gate slp_free_ifinfo(hp->ifinfo); 104*0Sstevel@tonic-gate free(hp->ifinfo); 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate free((void *) hp->locale); 107*0Sstevel@tonic-gate free(hp); 108*0Sstevel@tonic-gate } 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate void SLPClose(SLPHandle hSLP) { 111*0Sstevel@tonic-gate slp_handle_impl_t *hp = (slp_handle_impl_t *)hSLP; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate if (!hSLP) { 114*0Sstevel@tonic-gate return; 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* 118*0Sstevel@tonic-gate * If an outcall is pending on this handle: 119*0Sstevel@tonic-gate * If we are being called from a callback resulting 120*0Sstevel@tonic-gate * from the outcall associated with this handle or 121*0Sstevel@tonic-gate * if close_on_end has already been set: 122*0Sstevel@tonic-gate * just set close on end and return -- the cleanup 123*0Sstevel@tonic-gate * will be done when the outcall is finished. 124*0Sstevel@tonic-gate * else 125*0Sstevel@tonic-gate * wait on the outcall cv for the outcall to complete 126*0Sstevel@tonic-gate * Proceed with cleanup 127*0Sstevel@tonic-gate */ 128*0Sstevel@tonic-gate (void) mutex_lock(&(hp->outcall_lock)); 129*0Sstevel@tonic-gate if (hp->pending_outcall) { 130*0Sstevel@tonic-gate /* end the consumer thread */ 131*0Sstevel@tonic-gate /* this will also kill the producer thread and close net */ 132*0Sstevel@tonic-gate hp->cancel = 1; 133*0Sstevel@tonic-gate if (hp->q) { 134*0Sstevel@tonic-gate if (slp_enqueue_at_head(hp->q, NULL) != SLP_OK) { 135*0Sstevel@tonic-gate goto cleanup; 136*0Sstevel@tonic-gate } 137*0Sstevel@tonic-gate } 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate if (thr_self() == hp->consumer_tid || hp->close_on_end) { 140*0Sstevel@tonic-gate /* SLPClose called from callback */ 141*0Sstevel@tonic-gate hp->close_on_end = SLP_TRUE; 142*0Sstevel@tonic-gate (void) mutex_unlock(&(hp->outcall_lock)); 143*0Sstevel@tonic-gate return; 144*0Sstevel@tonic-gate } 145*0Sstevel@tonic-gate /* else not called from callback; wait for outcall to end */ 146*0Sstevel@tonic-gate while (hp->pending_outcall) { 147*0Sstevel@tonic-gate (void) cond_wait(&(hp->outcall_cv), &(hp->outcall_lock)); 148*0Sstevel@tonic-gate } 149*0Sstevel@tonic-gate } 150*0Sstevel@tonic-gate (void) mutex_unlock(&(hp->outcall_lock)); 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate cleanup: 153*0Sstevel@tonic-gate slp_cleanup_handle(hp); 154*0Sstevel@tonic-gate } 155