98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
/* $NetBSD: isns_task.h,v 1.1.1.1 2011/01/16 01:22:50 agc Exp $ */
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/*-
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* Copyright (c) 2004,2009 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* isns_task.h
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*/
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#ifndef _ISNS_TASK_H_
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#define _ISNS_TASK_H_
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#include <sys/event.h>
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#define ISNS_TASK_DISCOVER_SERVER 0
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#define ISNS_TASK_RECONNECT_SERVER 1
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#define ISNS_TASK_SEND_PDU 2
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#define ISNS_TASK_INIT_SOCKET_IO 3
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#define ISNS_TASK_INIT_REFRESH 4
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#define ISNS_NUM_TASKS 5
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union isns_task_var_u {
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struct {
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struct isns_trans_s *trans_p;
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struct isns_pdu_s *pdu_p;
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} send_pdu;
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struct {
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struct addrinfo *ai_p;
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} reconnect_server;
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struct {
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isns_socket_t sd;
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struct addrinfo *ai_p;
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} init_socket_io;
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struct {
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struct isns_refresh_s *ref_p;
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} init_refresh;
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void *data_p;
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};
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struct isns_task_s {
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uint8_t task_type;
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struct isns_config_s *cfg_p;
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union isns_task_var_u var;
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int waitable;
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pthread_mutex_t wait_mutex;
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pthread_cond_t wait_condvar;
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int wait_ref_count;
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SIMPLEQ_ENTRY(isns_task_s) taskq_entry;
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};
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typedef void (isns_task_handler)(struct isns_task_s *);
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void isns_run_task(struct isns_task_s *);
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void isns_end_task(struct isns_task_s *);
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int isns_wait_task(struct isns_task_s *, const struct timespec *);
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struct isns_task_s *isns_new_task(struct isns_config_s *, uint8_t, int);
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void isns_free_task(struct isns_task_s *);
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void isns_taskq_insert_tail(struct isns_config_s *, struct isns_task_s *);
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void isns_taskq_insert_head(struct isns_config_s *, struct isns_task_s *);
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struct isns_task_s *isns_taskq_remove(struct isns_config_s *);
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struct isns_task_s *isns_taskq_remove_trans(struct isns_config_s *, uint16_t);
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#endif /* !_ISNS_TASK_H_ */
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