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/*-
* BSD LICENSE
*
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk/env.h"
#include "spdk/thread.h"
#include "spdk/log.h"
#include "spdk/sock.h"
#include "spdk/string.h"
#include "iscsi/acceptor.h"
#include "iscsi/conn.h"
#include "iscsi/portal_grp.h"
#define ACCEPT_TIMEOUT_US 1000 /* 1ms */
static int
spdk_iscsi_portal_accept(void *arg)
{
struct spdk_iscsi_portal *portal = arg;
struct spdk_sock *sock;
int rc;
int count = 0;
if (portal->sock == NULL) {
return -1;
}
while (1) {
sock = spdk_sock_accept(portal->sock);
if (sock != NULL) {
rc = spdk_iscsi_conn_construct(portal, sock);
if (rc < 0) {
spdk_sock_close(&sock);
SPDK_ERRLOG("spdk_iscsi_connection_construct() failed\n");
break;
}
count++;
} else {
if (errno != EAGAIN && errno != EWOULDBLOCK) {
SPDK_ERRLOG("accept error(%d): %s\n", errno, spdk_strerror(errno));
}
break;
}
}
return count;
}
void
spdk_iscsi_acceptor_start(struct spdk_iscsi_portal *p)
{
p->acceptor_poller = spdk_poller_register(spdk_iscsi_portal_accept, p, ACCEPT_TIMEOUT_US);
}
void
spdk_iscsi_acceptor_stop(struct spdk_iscsi_portal *p)
{
spdk_poller_unregister(&p->acceptor_poller);
}
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