9c35e39c54
Make this generic and not directly dependent on the event framework. That way our libraries can register pollers without adding a dependency. Change-Id: I7ad7a7ddc131596ca1791a7b0f43dabfda050f5f Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/387690 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*-
|
|
* 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/event.h"
|
|
#include "spdk/io_channel.h"
|
|
#include "spdk/log.h"
|
|
#include "spdk/net.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 void
|
|
spdk_iscsi_portal_accept(void *arg)
|
|
{
|
|
struct spdk_iscsi_portal *portal = arg;
|
|
int rc, sock;
|
|
char buf[64];
|
|
|
|
if (portal->sock < 0) {
|
|
return;
|
|
}
|
|
|
|
while (1) {
|
|
rc = spdk_sock_accept(portal->sock);
|
|
if (rc >= 0) {
|
|
sock = rc;
|
|
rc = spdk_iscsi_conn_construct(portal, sock);
|
|
if (rc < 0) {
|
|
close(sock);
|
|
SPDK_ERRLOG("spdk_iscsi_connection_construct() failed\n");
|
|
break;
|
|
}
|
|
} else {
|
|
if (errno != EAGAIN && errno != EWOULDBLOCK) {
|
|
spdk_strerror_r(errno, buf, sizeof(buf));
|
|
SPDK_ERRLOG("accept error(%d): %s\n", errno, buf);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|