diff options
Diffstat (limited to 'src/spdk/lib/notify/notify_rpc.c')
| -rw-r--r-- | src/spdk/lib/notify/notify_rpc.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/spdk/lib/notify/notify_rpc.c b/src/spdk/lib/notify/notify_rpc.c new file mode 100644 index 000000000..fc40502c2 --- /dev/null +++ b/src/spdk/lib/notify/notify_rpc.c @@ -0,0 +1,126 @@ +/*- + * 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 +notify_get_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 +rpc_notify_get_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(notify_get_types_cb, w); + spdk_json_write_array_end(w); + + spdk_jsonrpc_end_result(request, w); +} +SPDK_RPC_REGISTER("notify_get_types", rpc_notify_get_types, SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(notify_get_types, get_notification_types) + +struct rpc_notify_get_notifications { + uint64_t id; + uint64_t max; + + struct spdk_json_write_ctx *w; +}; + +static const struct spdk_json_object_decoder rpc_notify_get_notifications_decoders[] = { + {"id", offsetof(struct rpc_notify_get_notifications, id), spdk_json_decode_uint64, true}, + {"max", offsetof(struct rpc_notify_get_notifications, max), spdk_json_decode_uint64, true}, +}; + + +static int +notify_get_notifications_cb(uint64_t id, const struct spdk_notify_event *ev, void *ctx) +{ + struct rpc_notify_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 +rpc_notify_get_notifications(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_notify_get_notifications req = {0, UINT64_MAX}; + + if (params && + spdk_json_decode_object(params, rpc_notify_get_notifications_decoders, + SPDK_COUNTOF(rpc_notify_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, notify_get_notifications_cb, &req); + spdk_json_write_array_end(req.w); + + spdk_jsonrpc_end_result(request, req.w); +} +SPDK_RPC_REGISTER("notify_get_notifications", rpc_notify_get_notifications, SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(notify_get_notifications, get_notifications) + +SPDK_LOG_REGISTER_COMPONENT("notify_rpc", SPDK_NOTIFY_RPC) |