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-rw-r--r--src/spdk/lib/iscsi/acceptor.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/spdk/lib/iscsi/acceptor.c b/src/spdk/lib/iscsi/acceptor.c
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--- /dev/null
+++ b/src/spdk/lib/iscsi/acceptor.c
@@ -0,0 +1,91 @@
+/*-
+ * 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);
+}