freeDiameter: libfreeDiameter/sessions.c annotate

annotate libfreeDiameter/sessions.c @ 4:883311bf7df3

Simplified a few strings

author	Sebastien Decugis <sdecugis@nict.go.jp>
date	Wed, 02 Sep 2009 18:28:27 +0900
parents	ef303f1078ab
children	c2d2729e3603

rev	line source
3 ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	1 /*********************************************************************************************************
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	2 * Software License Agreement (BSD License) *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	4 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	5 * Copyright (c) 2009, WIDE Project and NICT *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	6 * All rights reserved. *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	7 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	9 * permitted provided that the following conditions are met: *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	10 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	11 * * Redistributions of source code must retain the above *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	12 * copyright notice, this list of conditions and the *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	13 * following disclaimer. *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	14 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	15 * * Redistributions in binary form must reproduce the above *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	16 * copyright notice, this list of conditions and the *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	17 * following disclaimer in the documentation and/or other *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	18 * materials provided with the distribution. *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	19 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	20 * * Neither the name of the WIDE Project or NICT nor the *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	21 * names of its contributors may be used to endorse or *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	22 * promote products derived from this software without *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	23 * specific prior written permission of WIDE Project and *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	24 * NICT. *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	25 * *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	34 *********************************************************************************************************/
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	35
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	36 /* Sessions module.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	37 *
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	38 * Basic functionalities to help implementing User sessions state machines from RFC3588.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	39 */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	40
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	41 #include "libfD.h"
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	42
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	43 /********************* Parameters ********************/
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	44
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	45 /* Size of the hash table containing the session objects (pow of 2. ex: 6 => 2^6 = 64). must be between 0 and 31. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	46 #ifndef SESS_HASH_SIZE
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	47 #define SESS_HASH_SIZE 6
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	48 #endif /* SESS_HASH_SIZE */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	49
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	50 /* Default lifetime of a session, in seconds. (31 days = 2678400 seconds) */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	51 #ifndef SESS_DEFAULT_LIFETIME
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	52 #define SESS_DEFAULT_LIFETIME 2678400
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	53 #endif /* SESS_DEFAULT_LIFETIME */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	54
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	55 /******************** /Parameters ********************/
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	56
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	57 /* Eyescatchers definitions */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	58 #define SH_EYEC 0x53554AD1
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	59 #define SD_EYEC 0x5355D474
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	60 #define SI_EYEC 0x53551D
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	61
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	62 /* Macro to check an object is valid */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	63 #define VALIDATE_SH( _obj ) ( ((_obj) != NULL) && ( ((struct session_handler *)(_obj))->eyec == SH_EYEC) )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	64 #define VALIDATE_SI( _obj ) ( ((_obj) != NULL) && ( ((struct session *)(_obj))->eyec == SI_EYEC) )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	65
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	66
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	67 /* Handlers registered by users of the session module */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	68 struct session_handler {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	69 int eyec; /* An eye catcher also used to ensure the object is valid, must be SH_EYEC */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	70 int id; /* A unique integer to identify this handler */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	71 void (cleanup)(char , session_state ); / The cleanup function to be called for cleaning a state */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	72 };
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	73
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	74 static int hdl_id = 0; /* A global counter to initialize the id field */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	75 static pthread_mutex_t hdl_lock = PTHREAD_MUTEX_INITIALIZER; /* lock to protect hdl_id; we could use atomic operations otherwise (less portable) */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	76
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	77
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	78 /* Data structures linked from the sessions, containing the applications states */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	79 struct state {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	80 int eyec; /* Must be SD_EYEC */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	81 session_state state; / The state registered by the application, never NULL (or the whole object is deleted) */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	82 struct fd_list chain; /* Chaining in the list of session's states ordered by hdl->id */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	83 union {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	84 struct session_handler hdl; / The handler for which this state was registered */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	85 char sid; / For deleted state, the sid of the session it belong to */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	86 };
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	87 };
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	88
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	89 /* Session object, one for each value of Session-Id AVP */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	90 struct session {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	91 int eyec; /* Eyecatcher, SI_EYEC */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	92
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	93 char * sid; /* The \0-terminated Session-Id */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	94 uint32_t hash; /* computed hash of sid */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	95 struct fd_list chain_h;/* chaining in the hash table of sessions. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	96
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	97 struct timespec timeout;/* Timeout date for the session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	98 struct fd_list expire; /* List of expiring sessions, ordered by timeouts. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	99
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	100 pthread_mutex_t stlock; /* A lock to protect the list of states associated with this session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	101 struct fd_list states; /* Sentinel for the list of states of this session. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	102 };
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	103
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	104 /* Sessions hash table, to allow fast sid to session retrieval */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	105 static struct {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	106 struct fd_list sentinel; /* sentinel element for this sublist */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	107 pthread_mutex_t lock; /* the mutex for this sublist */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	108 } sess_hash [ 1 << SESS_HASH_SIZE ] ;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	109 #define H_MASK( __hash ) ((__hash) & (( 1 << SESS_HASH_SIZE ) - 1))
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	110 #define H_LIST( _hash ) (&(sess_hash[H_MASK(_hash)].sentinel))
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	111 #define H_LOCK( _hash ) (&(sess_hash[H_MASK(_hash)].lock ))
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	112
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	113 /* The following are used to generate sid values that are eternaly unique */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	114 static uint32_t sid_h; /* initialized to the current time in fd_sess_init */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	115 static uint32_t sid_l; /* incremented each time a session id is created -- could use atomic operation probably */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	116 static pthread_mutex_t sid_lock = PTHREAD_MUTEX_INITIALIZER;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	117
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	118 /* Expiring sessions management */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	119 static struct fd_list exp_sentinel; /* list of sessions ordered by their timeout date */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	120 static pthread_mutex_t exp_lock = PTHREAD_MUTEX_INITIALIZER; /* lock protecting the list. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	121 static pthread_cond_t exp_cond = PTHREAD_COND_INITIALIZER; /* condvar used by the expiry mecahinsm. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	122 static pthread_t exp_thr; /* The expiry thread that handles cleanup of expired sessions */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	123
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	124 /* Hierarchy of the locks, to avoid deadlocks:
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	125 * hash lock > state lock > expiry lock
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	126 * i.e. state lock can be taken while holding the hash lock, but not while holding the expiry lock.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	127 * As well, the hash lock cannot be taken while holding a state lock.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	128 */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	129
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	130 /********************************************************************************************************/
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	131
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	132 /* Initialize a session object. It is not linked now. sid must be already alloc'ed. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	133 static struct session * new_session(char * sid, size_t sidlen)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	134 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	135 struct session * sess;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	136
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	137 TRACE_ENTRY("%p %d", sid, sidlen);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	138 CHECK_PARAMS_DO( sid && sidlen, return NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	139
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	140 CHECK_MALLOC_DO( sess = malloc(sizeof(struct session)), return NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	141 memset(sess, 0, sizeof(struct session));
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	142
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	143 sess->eyec = SI_EYEC;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	144
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	145 sess->sid = sid;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	146 sess->hash = fd_hash(sid, sidlen);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	147 fd_list_init(&sess->chain_h, sess);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	148
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	149 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &sess->timeout), return NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	150 sess->timeout.tv_sec += SESS_DEFAULT_LIFETIME;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	151 fd_list_init(&sess->expire, sess);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	152
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	153 CHECK_POSIX_DO( pthread_mutex_init(&sess->stlock, NULL), return NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	154 fd_list_init(&sess->states, sess);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	155
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	156 return sess;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	157 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	158
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	159
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	160
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	161
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	162 /* The expiry thread */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	163 static void * exp_fct(void * arg)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	164 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	165 fd_log_threadname ( "Session/expire" );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	166 TRACE_ENTRY( "" );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	167
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	168 CHECK_POSIX_DO( pthread_mutex_lock(&exp_lock), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	169 pthread_cleanup_push( fd_cleanup_mutex, &exp_lock );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	170
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	171 do {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	172 struct timespec now;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	173 struct session * first;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	174
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	175 /* Check if there are expiring sessions available */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	176 if (FD_IS_LIST_EMPTY(&exp_sentinel)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	177 /* Just wait for a change or cancelation */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	178 CHECK_POSIX_DO( pthread_cond_wait( &exp_cond, &exp_lock ), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	179 /* Restart the loop on wakeup */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	180 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	181 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	182
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	183 /* Get the pointer to the session that expires first */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	184 first = (struct session *)(exp_sentinel.next->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	185 ASSERT( VALIDATE_SI(first) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	186
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	187 /* Get the current time */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	188 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &now), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	189
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	190 /* If first session is not expired, we just wait until it happens */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	191 if ( TS_IS_INFERIOR( &now, &first->timeout ) ) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	192
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	193 CHECK_POSIX_DO2( pthread_cond_timedwait( &exp_cond, &exp_lock, &first->timeout ),
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	194 ETIMEDOUT, /* ETIMEDOUT is a normal error, continue */,
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	195 /* on other error, */ goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	196
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	197 /* on wakeup, loop */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	198 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	199 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	200
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	201 /* Now, the first session in the list is expired; destroy it */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	202 CHECK_POSIX_DO( pthread_mutex_unlock(&exp_lock), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	203 CHECK_FCT_DO( fd_sess_destroy( &first ), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	204 CHECK_POSIX_DO( pthread_mutex_lock(&exp_lock), goto error );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	205
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	206 } while (1);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	207
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	208 pthread_cleanup_pop( 1 );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	209 error:
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	210 TRACE_DEBUG(INFO, "An error occurred in session module! Expiry thread is terminating...");
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	211 ASSERT(0);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	212 return NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	213 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	214
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	215
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	216
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	217 /********************************************************************************************************/
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	218
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	219 /* Initialize the session module */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	220 int fd_sess_init(void)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	221 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	222 int i;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	223
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	224 TRACE_ENTRY( "" );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	225
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	226 /* Initialize the global counters */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	227 sid_h = (uint32_t) time(NULL);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	228 sid_l = 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	229
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	230 /* Initialize the hash table */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	231 for (i = 0; i < sizeof(sess_hash) / sizeof(sess_hash[0]); i++) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	232 fd_list_init( &sess_hash[i].sentinel, NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	233 CHECK_POSIX( pthread_mutex_init(&sess_hash[i].lock, NULL) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	234 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	235
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	236 /* Initialize expiry management */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	237 fd_list_init( &exp_sentinel, NULL );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	238 CHECK_POSIX( pthread_create(&exp_thr, NULL, exp_fct, NULL) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	239
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	240 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	241 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	242
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	243 /* Create a new handler */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	244 int fd_sess_handler_create_int ( struct session_handler ** handler, void (cleanup)(char sid, session_state * state) )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	245 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	246 struct session_handler *new;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	247
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	248 TRACE_ENTRY("%p %p", handler, cleanup);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	249
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	250 CHECK_PARAMS( handler && cleanup );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	251
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	252 CHECK_MALLOC( new = malloc(sizeof(struct session_handler)) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	253 memset(new, 0, sizeof(struct session_handler));
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	254
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	255 CHECK_POSIX( pthread_mutex_lock(&hdl_lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	256 new->id = ++hdl_id;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	257 CHECK_POSIX( pthread_mutex_unlock(&hdl_lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	258
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	259 new->eyec = SH_EYEC;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	260 new->cleanup = cleanup;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	261
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	262 *handler = new;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	263 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	264 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	265
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	266 /* Destroy a handler, and all states attached to this handler. This operation is very slow but we don't care since it's rarely used.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	267 * Note that it's better to call this function after all sessions have been deleted... */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	268 int fd_sess_handler_destroy ( struct session_handler ** handler )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	269 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	270 struct session_handler * del;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	271 struct fd_list deleted_states; /* Save the list of states to be cleaned up. We do it after finding them to avoid deadlocks. the "o" field becomes a copy of the sid. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	272 int i;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	273
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	274 TRACE_ENTRY("%p", handler);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	275 CHECK_PARAMS( handler && VALIDATE_SH(*handler) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	276
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	277 del = *handler;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	278 *handler = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	279 fd_list_init(&deleted_states, NULL);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	280
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	281 del->eyec = 0xdead; /* The handler is not valid anymore for any other operation */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	282
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	283 /* Now find all sessions with data registered for this handler, and move this data to the deleted_states list. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	284 for (i = 0; i < sizeof(sess_hash) / sizeof(sess_hash[0]); i++) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	285 struct fd_list * li_si;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	286 CHECK_POSIX( pthread_mutex_lock(&sess_hash[i].lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	287
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	288 for (li_si = sess_hash[i].sentinel.next; li_si != &sess_hash[i].sentinel; li_si = li_si->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	289 struct fd_list * li_st;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	290 struct session * sess = (struct session *)(li_si->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	291 CHECK_POSIX( pthread_mutex_lock(&sess->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	292 for (li_st = sess->states.next; li_st != &sess->states; li_st = li_st->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	293 struct state * st = (struct state *)(li_st->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	294 char * sid_cpy;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	295 /* The list is ordered */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	296 if (st->hdl->id < del->id)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	297 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	298 if (st->hdl->id > del->id)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	299 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	300 /* This state belongs to the handler we are deleting, move the item to the deleted_states list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	301 fd_list_unlink(&st->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	302 CHECK_MALLOC( st->sid = strdup(sess->sid) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	303 fd_list_insert_before(&deleted_states, &st->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	304 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	305 CHECK_POSIX( pthread_mutex_unlock(&sess->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	306 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	307 CHECK_POSIX( pthread_mutex_unlock(&sess_hash[i].lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	308 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	309
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	310 /* Now, delete all states after calling their cleanup handler */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	311 while (!FD_IS_LIST_EMPTY(&deleted_states)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	312 struct state * st = (struct state *)(deleted_states.next->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	313 TRACE_DEBUG(FULL, "Calling cleanup handler for session '%s' and data %p", st->sid, st->state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	314 (*del->cleanup)(st->sid, st->state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	315 free(st->sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	316 fd_list_unlink(&st->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	317 free(st);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	318 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	319
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	320 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	321 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	322
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	323
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	324
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	325 /* Create a new session object with the default timeout value, and link it */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	326 int fd_sess_new ( struct session ** session, char * diamId, char * opt, size_t optlen )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	327 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	328 char * sid = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	329 size_t sidlen;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	330 uint32_t hash;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	331 struct session * sess;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	332 struct fd_list * li;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	333 int found = 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	334
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	335 TRACE_ENTRY("%p %p %p %d", session, diamId, opt, optlen);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	336 CHECK_PARAMS( session && (diamId \|\| opt) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	337
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	338 /* Ok, first create the identifier for the string */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	339 if (diamId == NULL) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	340 /* opt is the full string */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	341 if (optlen) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	342 CHECK_MALLOC( sid = malloc(optlen + 1) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	343 strncpy(sid, opt, optlen);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	344 sid[optlen] = '\0';
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	345 sidlen = optlen;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	346 } else {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	347 CHECK_MALLOC( sid = strdup(opt) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	348 sidlen = strlen(sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	349 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	350 } else {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	351 /* "<diamId>;<high32>;<low32>[;opt]" */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	352 sidlen = strlen(diamId);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	353 sidlen += 22; /* max size of ';<high32>;<low32>' */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	354 if (opt)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	355 sidlen += 1 + (optlen ?: strlen(opt)) ;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	356 sidlen++; /* space for the final \0 also */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	357 CHECK_MALLOC( sid = malloc(sidlen) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	358 CHECK_POSIX( pthread_mutex_lock(&sid_lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	359 if ( ++sid_l == 0 ) /* overflow */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	360 ++sid_h;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	361
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	362 if (opt) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	363 if (optlen)
4 883311bf7df3 Simplified a few strings Sebastien Decugis <sdecugis@nict.go.jp> parents: 3 diff changeset	364 sidlen = snprintf(sid, sidlen, "%s;%u;%u;%.*s", diamId, sid_h, sid_l, optlen, opt);
3 ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	365 else
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	366 sidlen = snprintf(sid, sidlen, "%s;%u;%u;%s", diamId, sid_h, sid_l, opt);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	367 } else {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	368 sidlen = snprintf(sid, sidlen, "%s;%u;%u", diamId, sid_h, sid_l);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	369 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	370
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	371 CHECK_POSIX( pthread_mutex_unlock(&sid_lock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	372 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	373
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	374 /* Initialize the session object now, to spend less time inside locked section later.
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	375 * Cons: we malloc then free if there is already a session with same SID; we could malloc later to avoid this. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	376 CHECK_MALLOC( sess = new_session(sid, sidlen) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	377
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	378 /* Now find the place to add this object in the hash table. */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	379 CHECK_POSIX( pthread_mutex_lock( H_LOCK(sess->hash) ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	380 for (li = H_LIST(sess->hash)->next; li != H_LIST(sess->hash); li = li->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	381 int cmp;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	382 struct session * s = (struct session *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	383
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	384 /* The list is ordered by hash and sid (in case of collisions) */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	385 if (s->hash < sess->hash)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	386 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	387 if (s->hash > sess->hash)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	388 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	389
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	390 cmp = strcasecmp(s->sid, sess->sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	391 if (cmp < 0)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	392 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	393 if (cmp > 0)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	394 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	395
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	396 /* A session with the same sid was already in the hash table */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	397 found = 1;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	398 *session = s;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	399 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	400 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	401
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	402 /* If the session did not exist, we can add it into the hash table */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	403 if (!found) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	404 fd_list_insert_before(li, &sess->chain_h);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	405
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	406 /* We must also insert in the expiry list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	407 CHECK_POSIX( pthread_mutex_lock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	408
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	409 /* Find the position in that list. We take it in reverse order */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	410 for (li = exp_sentinel.prev; li != &exp_sentinel; li = li->prev) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	411 struct session * s = (struct session *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	412
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	413 if (TS_IS_INFERIOR( &s->timeout, &sess->timeout ) )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	414 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	415
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	416 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	417 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	418 fd_list_insert_after( li, &sess->expire );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	419
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	420 /* We added a new expiring element, we must signal */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	421 CHECK_POSIX( pthread_cond_signal(&exp_cond) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	422
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	423 /* We're done */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	424 CHECK_POSIX( pthread_mutex_unlock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	425 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	426
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	427 CHECK_POSIX( pthread_mutex_unlock( H_LOCK(sess->hash) ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	428
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	429 /* If a session already existed, we must destroy the new element */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	430 if (found) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	431 CHECK_FCT( fd_sess_destroy( &sess ) ); /* we could avoid locking this time for optimization */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	432 return EALREADY;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	433 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	434
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	435 *session = sess;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	436 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	437 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	438
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	439 /* Find or create a session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	440 int fd_sess_fromsid ( char * sid, size_t len, struct session ** session, int * new)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	441 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	442 int ret;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	443
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	444 TRACE_ENTRY("%p %d %p %p", sid, len, session, new);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	445 CHECK_PARAMS( sid && session );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	446
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	447 /* All the work is done in sess_new */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	448 ret = fd_sess_new ( session, NULL, sid, len );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	449 switch (ret) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	450 case 0:
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	451 case EALREADY:
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	452 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	453
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	454 default:
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	455 CHECK_FCT(ret);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	456 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	457
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	458 if (new)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	459 *new = ret ? 0 : 1;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	460
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	461 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	462 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	463
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	464 /* Get the sid of a session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	465 int fd_sess_getsid ( struct session * session, char ** sid )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	466 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	467 TRACE_ENTRY("%p %p", session, sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	468
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	469 CHECK_PARAMS( VALIDATE_SI(session) && sid );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	470
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	471 *sid = session->sid;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	472
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	473 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	474 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	475
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	476 /* Change the timeout value of a session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	477 int fd_sess_settimeout( struct session * session, const struct timespec * timeout )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	478 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	479 struct fd_list * li;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	480
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	481 TRACE_ENTRY("%p %p", session, timeout);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	482 CHECK_PARAMS( VALIDATE_SI(session) && timeout );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	483
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	484 /* Lock -- do we need to lock the hash table as well? I don't think so... */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	485 CHECK_POSIX( pthread_mutex_lock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	486
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	487 /* Update the timeout */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	488 fd_list_unlink(&session->expire);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	489 memcpy(&session->timeout, timeout, sizeof(struct timespec));
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	490
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	491 /* Find the new position in expire list. We take it in normal order */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	492 for (li = exp_sentinel.next; li != &exp_sentinel; li = li->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	493 struct session * s = (struct session *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	494
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	495 if (TS_IS_INFERIOR( &s->timeout, &session->timeout ) )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	496 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	497
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	498 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	499 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	500 fd_list_insert_before( li, &session->expire );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	501
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	502 /* We added a new expiring element, we must signal */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	503 CHECK_POSIX( pthread_cond_signal(&exp_cond) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	504
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	505 /* We're done */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	506 CHECK_POSIX( pthread_mutex_unlock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	507
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	508 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	509 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	510
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	511 /* Destroy a session immediatly */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	512 int fd_sess_destroy ( struct session ** session )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	513 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	514 struct session * sess;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	515
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	516 TRACE_ENTRY("%p", session);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	517 CHECK_PARAMS( session && VALIDATE_SI(*session) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	518
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	519 sess = *session;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	520 *session = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	521
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	522 /* Unlink and invalidate */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	523 CHECK_FCT( pthread_mutex_lock( H_LOCK(sess->hash) ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	524 CHECK_FCT( pthread_mutex_lock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	525 fd_list_unlink( &sess->chain_h );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	526 fd_list_unlink( &sess->expire ); /* no need to signal the condition here */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	527 sess->eyec = 0xdead;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	528 CHECK_FCT( pthread_mutex_unlock( &exp_lock ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	529 CHECK_FCT( pthread_mutex_unlock( H_LOCK(sess->hash) ) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	530
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	531 /* Now destroy all states associated -- we don't take the lock since nobody can access this session anymore (in theory) */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	532 while (!FD_IS_LIST_EMPTY(&sess->states)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	533 struct state * st = (struct state *)(sess->states.next->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	534 fd_list_unlink(&st->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	535 TRACE_DEBUG(FULL, "Calling handler %p cleanup for state registered with session '%s'", st->hdl, sess->sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	536 (*st->hdl->cleanup)(sess->sid, st->state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	537 free(st);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	538 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	539
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	540 /* Finally, destroy the session itself */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	541 free(sess->sid);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	542 free(sess);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	543
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	544 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	545 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	546
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	547
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	548
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	549 /* Save a state information with a session */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	550 int fd_sess_state_store ( struct session_handler * handler, struct session * session, session_state ** state )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	551 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	552 struct state *new;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	553 struct fd_list * li;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	554 int already = 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	555
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	556 TRACE_ENTRY("%p %p %p", handler, session, state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	557 CHECK_PARAMS( handler && VALIDATE_SH(handler) && session && VALIDATE_SI(session) && state );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	558
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	559 /* Lock the session state list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	560 CHECK_POSIX( pthread_mutex_lock(&session->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	561
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	562 /* Create the new state object */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	563 CHECK_MALLOC(new = malloc(sizeof(struct state)) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	564 memset(new, 0, sizeof(struct state));
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	565
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	566 new->eyec = SD_EYEC;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	567 new->state= *state;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	568 fd_list_init(&new->chain, new);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	569 new->hdl = handler;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	570
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	571 /* find place for this state in the list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	572 for (li = session->states.next; li != &session->states; li = li->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	573 struct state * st = (struct state *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	574 /* The list is ordered by handler's id */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	575 if (st->hdl->id < handler->id)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	576 continue;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	577
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	578 if (st->hdl->id == handler->id) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	579 TRACE_DEBUG(INFO, "A state was already stored for session '%s' and handler '%p', at location %p", session->sid, st->hdl, st->state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	580 already = 1;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	581 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	582
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	583 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	584 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	585
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	586 if (!already) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	587 fd_list_insert_before(li, &new->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	588 *state = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	589 } else {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	590 free(new);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	591 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	592
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	593 CHECK_POSIX( pthread_mutex_unlock(&session->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	594
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	595 return already ? EALREADY : 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	596 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	597
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	598 /* Get the data back */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	599 int fd_sess_state_retrieve ( struct session_handler * handler, struct session * session, session_state ** state )
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	600 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	601 struct fd_list * li;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	602 struct state * st = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	603
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	604 TRACE_ENTRY("%p %p %p", handler, session, state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	605 CHECK_PARAMS( handler && VALIDATE_SH(handler) && session && VALIDATE_SI(session) && state );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	606
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	607 *state = NULL;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	608
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	609 /* Lock the session state list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	610 CHECK_POSIX( pthread_mutex_lock(&session->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	611
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	612 /* find the state in the list */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	613 for (li = session->states.next; li != &session->states; li = li->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	614 st = (struct state *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	615
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	616 /* The list is ordered by handler's id */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	617 if (st->hdl->id > handler->id)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	618 break;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	619 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	620
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	621 /* If we found the state */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	622 if (st && (st->hdl == handler)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	623 fd_list_unlink(&st->chain);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	624 *state = st->state;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	625 free(st);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	626 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	627
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	628 CHECK_POSIX( pthread_mutex_unlock(&session->stlock) );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	629
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	630 return 0;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	631 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	632
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	633
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	634
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	635 /* Dump functions */
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	636 void fd_sess_dump(int level, struct session * session)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	637 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	638 struct fd_list * li;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	639 if (!TRACE_BOOL(level))
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	640 return;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	641
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	642 fd_log_debug("Session @%p:\n", session);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	643 if (!VALIDATE_SI(session)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	644 fd_log_debug(" Invalid session object\n");
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	645 return;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	646 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	647
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	648 fd_log_debug(" sid '%s', hash %x\n", session->sid, session->hash);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	649 fd_log_debug(" timeout %d.%09d\n", session->timeout.tv_sec, session->timeout.tv_nsec);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	650
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	651 CHECK_POSIX_DO( pthread_mutex_lock(&session->stlock), /* ignore */ );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	652 for (li = session->states.next; li != &session->states; li = li->next) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	653 struct state * st = (struct state *)(li->o);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	654 fd_log_debug(" handler %d registered data %p\n", st->hdl->id, st->state);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	655 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	656 CHECK_POSIX_DO( pthread_mutex_unlock(&session->stlock), /* ignore */ );
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	657 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	658
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	659 void fd_sess_dump_hdl(int level, struct session_handler * handler)
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	660 {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	661 if (!TRACE_BOOL(level))
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	662 return;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	663
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	664 fd_log_debug("Handler @%p:\n", handler);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	665 if (!VALIDATE_SH(handler)) {
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	666 fd_log_debug(" Invalid session handler object\n");
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	667 return;
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	668 }
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	669
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	670 fd_log_debug(" id %d, cleanup %p\n", handler->id, handler->cleanup);
ef303f1078ab Progress; added session module; testsess to be completed Sebastien Decugis <sdecugis@nict.go.jp> parents: diff changeset	671 }

Mercurial > hg > freeDiameter

annotate libfreeDiameter/sessions.c @ 4:883311bf7df3