Commit 3f81bcaf authored by Ben Walker's avatar Ben Walker Committed by Jim Harris
Browse files

iscsi: Move acceptor into portal_grp



It's 3 functions that are only called from this compilation
unit.

Change-Id: I033ced4c19ee2a33b9537c347532ea5706d02d6a
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454493


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 31736dc2
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+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

CFLAGS += -I$(SPDK_ROOT_DIR)/lib
C_SRCS = acceptor.c conn.c \
C_SRCS = conn.c \
	 init_grp.c iscsi.c md5.c param.c portal_grp.c \
	 tgt_node.c iscsi_subsystem.c \
	 iscsi_rpc.c task.c

lib/iscsi/acceptor.c

deleted100644 → 0
+0 −91
Original line number Diff line number Diff line
/*-
 *   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
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(iscsi_portal_accept, p, ACCEPT_TIMEOUT_US);
}

void
spdk_iscsi_acceptor_stop(struct spdk_iscsi_portal *p)
{
	spdk_poller_unregister(&p->acceptor_poller);
}

lib/iscsi/acceptor.h

deleted100644 → 0
+0 −43
Original line number Diff line number Diff line
/*-
 *   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.
 */

#ifndef SPDK_ACCEPTOR_H_
#define SPDK_ACCEPTOR_H_

struct spdk_iscsi_portal;

void spdk_iscsi_acceptor_start(struct spdk_iscsi_portal *p);
void spdk_iscsi_acceptor_stop(struct spdk_iscsi_portal *p);

#endif /* SPDK_ACCEPTOR_H_ */
+0 −1
Original line number Diff line number Diff line
@@ -53,7 +53,6 @@
#include "spdk/scsi.h"
#include "spdk/bdev.h"
#include "iscsi/portal_grp.h"
#include "iscsi/acceptor.h"

#include "spdk_internal/log.h"

+48 −3
Original line number Diff line number Diff line
@@ -44,9 +44,54 @@
#include "iscsi/iscsi.h"
#include "iscsi/conn.h"
#include "iscsi/portal_grp.h"
#include "iscsi/acceptor.h"

#define PORTNUMSTRLEN 32
#define ACCEPT_TIMEOUT_US 1000 /* 1ms */

static int
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;
}

static void
iscsi_acceptor_start(struct spdk_iscsi_portal *p)
{
	p->acceptor_poller = spdk_poller_register(iscsi_portal_accept, p, ACCEPT_TIMEOUT_US);
}

static void
iscsi_acceptor_stop(struct spdk_iscsi_portal *p)
{
	spdk_poller_unregister(&p->acceptor_poller);
}

static struct spdk_iscsi_portal *
iscsi_portal_find_by_addr(const char *host, const char *port)
@@ -200,7 +245,7 @@ iscsi_portal_open(struct spdk_iscsi_portal *p)
	 * the requests will be queued by the nonzero backlog of the socket
	 * or resend by TCP.
	 */
	spdk_iscsi_acceptor_start(p);
	iscsi_acceptor_start(p);

	return 0;
}
@@ -211,7 +256,7 @@ iscsi_portal_close(struct spdk_iscsi_portal *p)
	if (p->sock) {
		SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "close portal (%s, %s)\n",
			      p->host, p->port);
		spdk_iscsi_acceptor_stop(p);
		iscsi_acceptor_stop(p);
		spdk_sock_close(&p->sock);
	}
}
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