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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SIP_XACTION_H 28 #define _SIP_XACTION_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 /* Various transaction timers */ 41 typedef enum sip_timer_type_s { 42 SIP_XACTION_TIMER_A = 0, 43 SIP_XACTION_TIMER_B, 44 SIP_XACTION_TIMER_D, 45 SIP_XACTION_TIMER_E, 46 SIP_XACTION_TIMER_F, 47 SIP_XACTION_TIMER_G, 48 SIP_XACTION_TIMER_H, 49 SIP_XACTION_TIMER_I, 50 SIP_XACTION_TIMER_J, 51 SIP_XACTION_TIMER_K 52 } sip_xaction_timer_type_t; 53 54 55 /* Increment transaction reference count */ 56 #define SIP_XACTION_REFCNT_INCR(trans) \ 57 (trans)->sip_xaction_ref_cnt++; 58 59 /* Decrement transaction reference count */ 60 #define SIP_XACTION_REFCNT_DECR(trans) { \ 61 (void) pthread_mutex_lock(&((trans)->sip_xaction_mutex)); \ 62 assert((trans)->sip_xaction_ref_cnt > 0); \ 63 (trans)->sip_xaction_ref_cnt--; \ 64 if ((trans)->sip_xaction_ref_cnt == 0 && \ 65 SIP_IS_XACTION_TERMINATED((trans)->sip_xaction_state)) { \ 66 (void) pthread_mutex_unlock(&((trans)->sip_xaction_mutex));\ 67 sip_xaction_delete(trans); \ 68 } else { \ 69 (void) pthread_mutex_unlock(&((trans)->sip_xaction_mutex));\ 70 } \ 71 } 72 73 /* True if transaction is in the terminated state */ 74 #define SIP_IS_XACTION_TERMINATED(trans_state) \ 75 ((trans_state) == SIP_CLNT_INV_TERMINATED || \ 76 (trans_state) == SIP_CLNT_NONINV_TERMINATED || \ 77 (trans_state) == SIP_SRV_INV_TERMINATED || \ 78 (trans_state) == SIP_SRV_NONINV_TERMINATED) 79 80 /* Transaction structure */ 81 typedef struct sip_xaction { 82 char *sip_xaction_branch_id; /* Transaction id */ 83 uint16_t sip_xaction_hash_digest[8]; 84 _sip_msg_t *sip_xaction_orig_msg; /* orig request msg. */ 85 _sip_msg_t *sip_xaction_last_msg; /* last msg sent */ 86 sip_conn_object_t sip_xaction_conn_obj; 87 int sip_xaction_state; /* Transaction State */ 88 sip_method_t sip_xaction_method; 89 uint32_t sip_xaction_ref_cnt; 90 pthread_mutex_t sip_xaction_mutex; 91 sip_timer_t sip_xaction_TA; 92 sip_timer_t sip_xaction_TB; 93 sip_timer_t sip_xaction_TD; 94 sip_timer_t sip_xaction_TE; 95 sip_timer_t sip_xaction_TF; 96 sip_timer_t sip_xaction_TG; 97 sip_timer_t sip_xaction_TH; 98 sip_timer_t sip_xaction_TI; 99 sip_timer_t sip_xaction_TJ; 100 sip_timer_t sip_xaction_TK; 101 void *sip_xaction_ctxt; /* currently unused */ 102 } sip_xaction_t; 103 104 extern void sip_xaction_init(int (*ulp_trans_err)(sip_transaction_t, 105 int, void *), void (*ulp_state_cb) 106 (sip_transaction_t, sip_msg_t, int, int)); 107 extern int sip_xaction_output(sip_conn_object_t, sip_xaction_t *, 108 _sip_msg_t *); 109 extern int sip_xaction_input(sip_conn_object_t, sip_xaction_t *, 110 _sip_msg_t **); 111 extern sip_xaction_t *sip_xaction_get(sip_conn_object_t, sip_msg_t, 112 boolean_t, int, int *); 113 extern void sip_xaction_delete(sip_xaction_t *); 114 extern char *sip_get_xaction_state(int); 115 extern int (*sip_xaction_ulp_trans_err)(sip_transaction_t, int, 116 void *); 117 extern void (*sip_xaction_ulp_state_cb)(sip_transaction_t, 118 sip_msg_t, int, int); 119 extern void sip_del_conn_obj_cache(sip_conn_object_t, void *); 120 extern int sip_add_conn_obj_cache(sip_conn_object_t, void *); 121 extern void sip_xaction_terminate(sip_xaction_t *, _sip_msg_t *, 122 int); 123 #ifdef __cplusplus 124 } 125 #endif 126 127 #endif /* _SIP_XACTION_H */ 128