Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/src/spdk/lib/event/rpc.c b/src/spdk/lib/event/rpc.c
new file mode 100644
index 000000000..a42d5ebeb
--- /dev/null
+++ b/src/spdk/lib/event/rpc.c
@@ -0,0 +1,87 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   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/conf.h"
+#include "spdk/env.h"
+#include "spdk/thread.h"
+#include "spdk/log.h"
+#include "spdk/rpc.h"
+
+#include "spdk_internal/event.h"
+
+#define RPC_SELECT_INTERVAL	4000 /* 4ms */
+
+static struct spdk_poller *g_rpc_poller = NULL;
+
+static int
+rpc_subsystem_poll(void *arg)
+{
+	spdk_rpc_accept();
+	return SPDK_POLLER_BUSY;
+}
+
+void
+spdk_rpc_initialize(const char *listen_addr)
+{
+	int rc;
+
+	if (listen_addr == NULL) {
+		return;
+	}
+
+	if (!spdk_rpc_verify_methods()) {
+		spdk_app_stop(-EINVAL);
+		return;
+	}
+
+	/* Listen on the requested address */
+	rc = spdk_rpc_listen(listen_addr);
+	if (rc != 0) {
+		SPDK_ERRLOG("Unable to start RPC service at %s\n", listen_addr);
+		return;
+	}
+
+	spdk_rpc_set_state(SPDK_RPC_STARTUP);
+
+	/* Register a poller to periodically check for RPCs */
+	g_rpc_poller = SPDK_POLLER_REGISTER(rpc_subsystem_poll, NULL, RPC_SELECT_INTERVAL);
+}
+
+void
+spdk_rpc_finish(void)
+{
+	spdk_rpc_close();
+	spdk_poller_unregister(&g_rpc_poller);
+}