2bdec64fbf
This will enable asynchronous request handling in a future patch, and it also removes the need for the RPC handlers to know about request id and the JSON-RPC rules about notification-only requests. Change-Id: I25aaa8e48bff8d5594ffcccecb61842b1e31ec3c Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-on: https://review.gerrithub.io/368225 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
111 lines
3.4 KiB
C
111 lines
3.4 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/rpc.h"
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#include "spdk/util.h"
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#include "spdk_internal/log.h"
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struct rpc_kill_instance {
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char *sig_name;
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};
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static void
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free_rpc_kill_instance(struct rpc_kill_instance *req)
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{
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free(req->sig_name);
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}
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static const struct spdk_json_object_decoder rpc_kill_instance_decoders[] = {
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{"sig_name", offsetof(struct rpc_kill_instance, sig_name), spdk_json_decode_string},
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};
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static void
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spdk_rpc_kill_instance(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *params)
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{
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static const struct {
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const char *signal_string;
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int32_t signal;
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} signals[] = {
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{"SIGINT", SIGINT},
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{"SIGTERM", SIGTERM},
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{"SIGQUIT", SIGQUIT},
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{"SIGHUP", SIGHUP},
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{"SIGKILL", SIGKILL},
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};
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size_t i, sig_count;
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int signal;
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struct rpc_kill_instance req = {};
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struct spdk_json_write_ctx *w;
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if (spdk_json_decode_object(params, rpc_kill_instance_decoders,
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SPDK_COUNTOF(rpc_kill_instance_decoders),
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&req)) {
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SPDK_TRACELOG(SPDK_TRACE_DEBUG, "spdk_json_decode_object failed\n");
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goto invalid;
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}
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sig_count = SPDK_COUNTOF(signals);
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signal = atoi(req.sig_name);
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for (i = 0 ; i < sig_count; i++) {
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if (strcmp(req.sig_name, signals[i].signal_string) == 0 ||
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signal == signals[i].signal) {
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break;
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}
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}
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if (i == sig_count) {
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goto invalid;
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}
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SPDK_TRACELOG(SPDK_TRACE_DEBUG, "sending signal %d\n", signals[i].signal);
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kill(getpid(), signals[i].signal);
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free_rpc_kill_instance(&req);
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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_bool(w, true);
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spdk_jsonrpc_end_result(request, w);
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return;
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invalid:
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
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free_rpc_kill_instance(&req);
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}
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SPDK_RPC_REGISTER("kill_instance", spdk_rpc_kill_instance)
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