2cccea55ed
Two new RPC calls get_notification_types and get_notifications added. Change-Id: Ia5288d83cc5e9f18ef1622d3f15b9fe3bbf640ed Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com> Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/436530 Reviewed-by: Vitaliy Mysak <vitaliy.mysak@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
132 lines
4.2 KiB
C
132 lines
4.2 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/rpc.h"
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#include "spdk/string.h"
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#include "spdk/notify.h"
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#include "spdk/env.h"
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#include "spdk/util.h"
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#include "spdk_internal/log.h"
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static int
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get_notification_types_cb(const struct spdk_notify_type *type, void *ctx)
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{
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spdk_json_write_string((struct spdk_json_write_ctx *)ctx, spdk_notify_type_get_name(type));
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return 0;
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}
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static void
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spdk_rpc_get_notification_types(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *params)
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{
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struct spdk_json_write_ctx *w;
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if (params != NULL) {
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
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"No parameters required");
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return;
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}
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w = spdk_jsonrpc_begin_result(request);
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if (w == NULL) {
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return;
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}
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spdk_json_write_array_begin(w);
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spdk_notify_get_types(get_notification_types_cb, w);
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spdk_json_write_array_end(w);
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spdk_jsonrpc_end_result(request, w);
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}
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SPDK_RPC_REGISTER("get_notification_types", spdk_rpc_get_notification_types, SPDK_RPC_RUNTIME)
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struct rpc_get_notifications {
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uint64_t id;
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uint64_t max;
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struct spdk_json_write_ctx *w;
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};
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static const struct spdk_json_object_decoder rpc_get_notifications_decoders[] = {
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{"id", offsetof(struct rpc_get_notifications, id), spdk_json_decode_uint64, true},
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{"max", offsetof(struct rpc_get_notifications, max), spdk_json_decode_uint64, true},
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};
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static int
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get_notifications_cb(uint64_t id, const struct spdk_notify_event *ev, void *ctx)
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{
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struct rpc_get_notifications *req = ctx;
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spdk_json_write_object_begin(req->w);
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spdk_json_write_named_string(req->w, "type", ev->type);
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spdk_json_write_named_string(req->w, "ctx", ev->ctx);
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spdk_json_write_named_uint64(req->w, "id", id);
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spdk_json_write_object_end(req->w);
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return 0;
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}
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static void
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spdk_rpc_get_notifications(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *params)
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{
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struct rpc_get_notifications req = {0, UINT64_MAX};
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if (params &&
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spdk_json_decode_object(params, rpc_get_notifications_decoders,
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SPDK_COUNTOF(rpc_get_notifications_decoders), &req)) {
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SPDK_DEBUGLOG(SPDK_NOTIFY_RPC, "spdk_json_decode_object failed\n");
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
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spdk_strerror(EINVAL));
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return;
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}
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req.w = spdk_jsonrpc_begin_result(request);
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if (req.w == NULL) {
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return;
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}
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spdk_json_write_array_begin(req.w);
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spdk_notify_get_events(req.id, req.max, get_notifications_cb, &req);
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spdk_json_write_array_end(req.w);
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spdk_jsonrpc_end_result(request, req.w);
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}
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SPDK_RPC_REGISTER("get_notifications", spdk_rpc_get_notifications, SPDK_RPC_RUNTIME)
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SPDK_LOG_REGISTER_COMPONENT("notify_rpc", SPDK_NOTIFY_RPC)
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