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 2008 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 <pthread.h> 37 #include <sip.h> 38 #include <sys/types.h> 39 40 #include "sip_msg.h" 41 #include "sip_miscdefs.h" 42 43 /* Various transaction timers */ 44 typedef enum sip_timer_type_s { 45 SIP_XACTION_TIMER_A = 0, 46 SIP_XACTION_TIMER_B, 47 SIP_XACTION_TIMER_D, 48 SIP_XACTION_TIMER_E, 49 SIP_XACTION_TIMER_F, 50 SIP_XACTION_TIMER_G, 51 SIP_XACTION_TIMER_H, 52 SIP_XACTION_TIMER_I, 53 SIP_XACTION_TIMER_J, 54 SIP_XACTION_TIMER_K 55 } sip_xaction_timer_type_t; 56 57 58 /* Increment transaction reference count */ 59 #define SIP_XACTION_REFCNT_INCR(trans) \ 60 (trans)->sip_xaction_ref_cnt++; 61 62 /* Decrement transaction reference count */ 63 #define SIP_XACTION_REFCNT_DECR(trans) { \ 64 (void) pthread_mutex_lock(&((trans)->sip_xaction_mutex)); \ 65 assert((trans)->sip_xaction_ref_cnt > 0); \ 66 (trans)->sip_xaction_ref_cnt--; \ 67 if ((trans)->sip_xaction_ref_cnt == 0 && \ 68 SIP_IS_XACTION_TERMINATED((trans)->sip_xaction_state)) { \ 69 (void) pthread_mutex_unlock(&((trans)->sip_xaction_mutex));\ 70 sip_xaction_delete(trans); \ 71 } else { \ 72 (void) pthread_mutex_unlock(&((trans)->sip_xaction_mutex));\ 73 } \ 74 } 75 76 /* True if transaction is in the terminated state */ 77 #define SIP_IS_XACTION_TERMINATED(trans_state) \ 78 ((trans_state) == SIP_CLNT_INV_TERMINATED || \ 79 (trans_state) == SIP_CLNT_NONINV_TERMINATED || \ 80 (trans_state) == SIP_SRV_INV_TERMINATED || \ 81 (trans_state) == SIP_SRV_NONINV_TERMINATED) 82 83 /* Transaction structure */ 84 typedef struct sip_xaction { 85 char *sip_xaction_branch_id; /* Transaction id */ 86 uint16_t sip_xaction_hash_digest[8]; 87 _sip_msg_t *sip_xaction_orig_msg; /* orig request msg. */ 88 _sip_msg_t *sip_xaction_last_msg; /* last msg sent */ 89 sip_conn_object_t sip_xaction_conn_obj; 90 int sip_xaction_state; /* Transaction State */ 91 sip_method_t sip_xaction_method; 92 uint32_t sip_xaction_ref_cnt; 93 pthread_mutex_t sip_xaction_mutex; 94 sip_timer_t sip_xaction_TA; 95 sip_timer_t sip_xaction_TB; 96 sip_timer_t sip_xaction_TD; 97 sip_timer_t sip_xaction_TE; 98 sip_timer_t sip_xaction_TF; 99 sip_timer_t sip_xaction_TG; 100 sip_timer_t sip_xaction_TH; 101 sip_timer_t sip_xaction_TI; 102 sip_timer_t sip_xaction_TJ; 103 sip_timer_t sip_xaction_TK; 104 void *sip_xaction_ctxt; /* currently unused */ 105 int sip_xaction_msgcnt; 106 sip_log_t sip_xaction_log[SIP_SRV_NONINV_TERMINATED + 1]; 107 } sip_xaction_t; 108 109 extern void sip_xaction_init(int (*ulp_trans_err)(sip_transaction_t, 110 int, void *), void (*ulp_state_cb) 111 (sip_transaction_t, sip_msg_t, int, int)); 112 extern int sip_xaction_output(sip_conn_object_t, sip_xaction_t *, 113 _sip_msg_t *); 114 extern int sip_xaction_input(sip_conn_object_t, sip_xaction_t *, 115 _sip_msg_t **); 116 extern sip_xaction_t *sip_xaction_get(sip_conn_object_t, sip_msg_t, 117 boolean_t, int, int *); 118 extern void sip_xaction_delete(sip_xaction_t *); 119 extern char *sip_get_xaction_state(int); 120 extern int (*sip_xaction_ulp_trans_err)(sip_transaction_t, int, 121 void *); 122 extern void (*sip_xaction_ulp_state_cb)(sip_transaction_t, 123 sip_msg_t, int, int); 124 extern void sip_del_conn_obj_cache(sip_conn_object_t, void *); 125 extern int sip_add_conn_obj_cache(sip_conn_object_t, void *); 126 extern void sip_xaction_terminate(sip_xaction_t *, _sip_msg_t *, 127 int); 128 #ifdef __cplusplus 129 } 130 #endif 131 132 #endif /* _SIP_XACTION_H */ 133