9f62796127
I'm not sure whether this should go into lib/init or to lib/rpc directly, but I've chosen lib/init for now. This is to support applications that want to run the SPDK JSON RPC server, but aren't using the SPDK application framework. Signed-off-by: Ben Walker <benjamin.walker@intel.com> Change-Id: I79ca39aa0ca6e1a3a6905b0bf73e6cc99b086e55 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6644 Reviewed-by: Tom Nabarro <tom.nabarro@outlook.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Mellanox Build Bot
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include "spdk/env.h"
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#include "spdk/init.h"
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#include "spdk/thread.h"
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#include "spdk/log.h"
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#include "spdk/rpc.h"
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#define RPC_SELECT_INTERVAL 4000 /* 4ms */
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static struct spdk_poller *g_rpc_poller = NULL;
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static int
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rpc_subsystem_poll(void *arg)
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{
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spdk_rpc_accept();
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return SPDK_POLLER_BUSY;
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}
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int
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spdk_rpc_initialize(const char *listen_addr)
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{
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int rc;
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if (listen_addr == NULL) {
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/* Not treated as an error */
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return 0;
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}
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if (!spdk_rpc_verify_methods()) {
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return -EINVAL;
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}
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/* Listen on the requested address */
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rc = spdk_rpc_listen(listen_addr);
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if (rc != 0) {
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SPDK_ERRLOG("Unable to start RPC service at %s\n", listen_addr);
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/* TODO: Eventually, treat this as an error. But it historically has not
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* been and many tests rely on this gracefully failing. */
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return 0;
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}
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spdk_rpc_set_state(SPDK_RPC_STARTUP);
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/* Register a poller to periodically check for RPCs */
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g_rpc_poller = SPDK_POLLER_REGISTER(rpc_subsystem_poll, NULL, RPC_SELECT_INTERVAL);
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return 0;
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}
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void
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spdk_rpc_finish(void)
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{
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spdk_rpc_close();
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spdk_poller_unregister(&g_rpc_poller);
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}
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