b961d9cc12
Change-Id: I6a142feeaad3117bd3c75e7c5cb7231a1cfa78ae Signed-off-by: Ben Walker <benjamin.walker@intel.com>
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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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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*
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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include "spdk/env.h"
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#include "spdk/event.h"
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#include "spdk/log.h"
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#include "spdk/net.h"
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#include "iscsi/acceptor.h"
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#include "iscsi/conn.h"
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#include "iscsi/portal_grp.h"
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#define ACCEPT_TIMEOUT_US 1000 /* 1ms */
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static struct spdk_poller *g_acceptor_poller;
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static void
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spdk_iscsi_portal_accept(struct spdk_iscsi_portal *portal)
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{
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int rc, sock;
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if (portal->sock < 0) {
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return;
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}
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while (1) {
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rc = spdk_sock_accept(portal->sock);
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if (rc >= 0) {
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sock = rc;
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rc = spdk_iscsi_conn_construct(portal, sock);
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if (rc < 0) {
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close(sock);
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SPDK_ERRLOG("spdk_iscsi_connection_construct() failed\n");
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break;
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}
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} else {
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if (errno != EAGAIN && errno != EWOULDBLOCK) {
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SPDK_ERRLOG("accept error(%d): %s\n", errno, strerror(errno));
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}
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break;
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}
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}
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}
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static void
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spdk_acceptor(void *arg)
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{
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struct spdk_iscsi_globals *iscsi = arg;
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struct spdk_iscsi_portal_grp *portal_group;
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struct spdk_iscsi_portal *portal;
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TAILQ_FOREACH(portal_group, &iscsi->pg_head, tailq) {
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TAILQ_FOREACH(portal, &portal_group->head, tailq) {
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spdk_iscsi_portal_accept(portal);
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}
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}
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}
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void
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spdk_iscsi_acceptor_start(void)
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{
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spdk_poller_register(&g_acceptor_poller, spdk_acceptor, &g_spdk_iscsi, spdk_env_get_current_core(),
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ACCEPT_TIMEOUT_US);
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}
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void
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spdk_iscsi_acceptor_stop(void)
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{
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spdk_poller_unregister(&g_acceptor_poller, NULL);
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}
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