diff options
Diffstat (limited to 'src/spdk/lib/event/rpc/app_rpc.c')
-rw-r--r-- | src/spdk/lib/event/rpc/app_rpc.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/spdk/lib/event/rpc/app_rpc.c b/src/spdk/lib/event/rpc/app_rpc.c new file mode 100644 index 00000000..95cb0d2a --- /dev/null +++ b/src/spdk/lib/event/rpc/app_rpc.c @@ -0,0 +1,155 @@ +/*- + * 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/stdinc.h" + +#include "spdk/event.h" +#include "spdk/rpc.h" +#include "spdk/util.h" + +#include "spdk_internal/log.h" + +struct rpc_kill_instance { + char *sig_name; +}; + +static void +free_rpc_kill_instance(struct rpc_kill_instance *req) +{ + free(req->sig_name); +} + +static const struct spdk_json_object_decoder rpc_kill_instance_decoders[] = { + {"sig_name", offsetof(struct rpc_kill_instance, sig_name), spdk_json_decode_string}, +}; + +static void +spdk_rpc_kill_instance(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + static const struct { + const char *signal_string; + int32_t signal; + } signals[] = { + {"SIGINT", SIGINT}, + {"SIGTERM", SIGTERM}, + {"SIGQUIT", SIGQUIT}, + {"SIGHUP", SIGHUP}, + {"SIGKILL", SIGKILL}, + }; + size_t i, sig_count; + int signal; + struct rpc_kill_instance req = {}; + struct spdk_json_write_ctx *w; + + if (spdk_json_decode_object(params, rpc_kill_instance_decoders, + SPDK_COUNTOF(rpc_kill_instance_decoders), + &req)) { + SPDK_DEBUGLOG(SPDK_LOG_REACTOR, "spdk_json_decode_object failed\n"); + goto invalid; + } + + sig_count = SPDK_COUNTOF(signals); + signal = atoi(req.sig_name); + for (i = 0 ; i < sig_count; i++) { + if (strcmp(req.sig_name, signals[i].signal_string) == 0 || + signal == signals[i].signal) { + break; + } + } + + if (i == sig_count) { + goto invalid; + } + + SPDK_DEBUGLOG(SPDK_LOG_REACTOR, "sending signal %d\n", signals[i].signal); + free_rpc_kill_instance(&req); + kill(getpid(), signals[i].signal); + + w = spdk_jsonrpc_begin_result(request); + if (w == NULL) { + return; + } + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + free_rpc_kill_instance(&req); +} +SPDK_RPC_REGISTER("kill_instance", spdk_rpc_kill_instance, SPDK_RPC_RUNTIME) + + +struct rpc_context_switch_monitor { + bool enabled; +}; + +static const struct spdk_json_object_decoder rpc_context_switch_monitor_decoders[] = { + {"enabled", offsetof(struct rpc_context_switch_monitor, enabled), spdk_json_decode_bool}, +}; + +static void +spdk_rpc_context_switch_monitor(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_context_switch_monitor req = {}; + struct spdk_json_write_ctx *w; + + if (params != NULL) { + if (spdk_json_decode_object(params, rpc_context_switch_monitor_decoders, + SPDK_COUNTOF(rpc_context_switch_monitor_decoders), + &req)) { + SPDK_DEBUGLOG(SPDK_LOG_REACTOR, "spdk_json_decode_object failed\n"); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + return; + } + + spdk_reactor_enable_context_switch_monitor(req.enabled); + } + + w = spdk_jsonrpc_begin_result(request); + if (w == NULL) { + return; + } + + spdk_json_write_object_begin(w); + + spdk_json_write_name(w, "enabled"); + spdk_json_write_bool(w, spdk_reactor_context_switch_monitor_enabled()); + + spdk_json_write_object_end(w); + spdk_jsonrpc_end_result(request, w); +} + +SPDK_RPC_REGISTER("context_switch_monitor", spdk_rpc_context_switch_monitor, SPDK_RPC_RUNTIME) |