numam-spdk/lib/notify/notify_rpc.c
Seth Howell ef6108a7eb lib: move notify_rpc under lib/notify
This is part of a larger series aimed at simplifying/flattening the
directory structure of the SPDK lib directory. The ultimate goal of this
series is to properly create dynamic linker dependencies between all
spdk shared objects.

Change-Id: I6beb7103404ae2c24a3d25dd93a1061680c7176c
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/465209
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-08-19 06:10:30 +00:00

125 lines
4.2 KiB
C

/*-
* 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/rpc.h"
#include "spdk/string.h"
#include "spdk/notify.h"
#include "spdk/env.h"
#include "spdk/util.h"
#include "spdk_internal/log.h"
static int
get_notification_types_cb(const struct spdk_notify_type *type, void *ctx)
{
spdk_json_write_string((struct spdk_json_write_ctx *)ctx, spdk_notify_type_get_name(type));
return 0;
}
static void
spdk_rpc_get_notification_types(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_json_write_ctx *w;
if (params != NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"No parameters required");
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_array_begin(w);
spdk_notify_foreach_type(get_notification_types_cb, w);
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("get_notification_types", spdk_rpc_get_notification_types, SPDK_RPC_RUNTIME)
struct rpc_get_notifications {
uint64_t id;
uint64_t max;
struct spdk_json_write_ctx *w;
};
static const struct spdk_json_object_decoder rpc_get_notifications_decoders[] = {
{"id", offsetof(struct rpc_get_notifications, id), spdk_json_decode_uint64, true},
{"max", offsetof(struct rpc_get_notifications, max), spdk_json_decode_uint64, true},
};
static int
get_notifications_cb(uint64_t id, const struct spdk_notify_event *ev, void *ctx)
{
struct rpc_get_notifications *req = ctx;
spdk_json_write_object_begin(req->w);
spdk_json_write_named_string(req->w, "type", ev->type);
spdk_json_write_named_string(req->w, "ctx", ev->ctx);
spdk_json_write_named_uint64(req->w, "id", id);
spdk_json_write_object_end(req->w);
return 0;
}
static void
spdk_rpc_get_notifications(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_get_notifications req = {0, UINT64_MAX};
if (params &&
spdk_json_decode_object(params, rpc_get_notifications_decoders,
SPDK_COUNTOF(rpc_get_notifications_decoders), &req)) {
SPDK_DEBUGLOG(SPDK_NOTIFY_RPC, "spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
spdk_strerror(EINVAL));
return;
}
req.w = spdk_jsonrpc_begin_result(request);
spdk_json_write_array_begin(req.w);
spdk_notify_foreach_event(req.id, req.max, get_notifications_cb, &req);
spdk_json_write_array_end(req.w);
spdk_jsonrpc_end_result(request, req.w);
}
SPDK_RPC_REGISTER("get_notifications", spdk_rpc_get_notifications, SPDK_RPC_RUNTIME)
SPDK_LOG_REGISTER_COMPONENT("notify_rpc", SPDK_NOTIFY_RPC)