text: /*-
   *   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_internal/log.h"
  
  struct rpc_trace_flag {
  	char *flag;
  };
  
  static void
  free_rpc_trace_flag(struct rpc_trace_flag *p)
  {
  	free(p->flag);
  }
  
  static const struct spdk_json_object_decoder rpc_trace_flag_decoders[] = {
  	{"flag", offsetof(struct rpc_trace_flag, flag), spdk_json_decode_string},
  };
  
  static void
  spdk_rpc_set_trace_flag(struct spdk_jsonrpc_server_conn *conn,
  			const struct spdk_json_val *params,
  			const struct spdk_json_val *id)
  {
  	struct rpc_trace_flag req = {};
  	struct spdk_json_write_ctx *w;
  
  	if (spdk_json_decode_object(params, rpc_trace_flag_decoders,
  				    sizeof(rpc_trace_flag_decoders) / sizeof(*rpc_trace_flag_decoders), &req)) {
  		SPDK_TRACELOG(SPDK_TRACE_DEBUG, "spdk_json_decode_object failed\n");
  		goto invalid;
  	}
  
  	if (req.flag == 0) {
  		SPDK_TRACELOG(SPDK_TRACE_DEBUG, "flag was 0\n");
  		goto invalid;
  	}
  
  	spdk_log_set_trace_flag(req.flag);
  	free_rpc_trace_flag(&req);
  
  	if (id == NULL) {
  		return;
  	}
  
  	w = spdk_jsonrpc_begin_result(conn, id);
  	spdk_json_write_bool(w, true);
  	spdk_jsonrpc_end_result(conn, w);
  	return;
  
  invalid:
  	spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
  	free_rpc_trace_flag(&req);
  }
  SPDK_RPC_REGISTER("set_trace_flag", spdk_rpc_set_trace_flag)
  
  static void
  spdk_rpc_clear_trace_flag(struct spdk_jsonrpc_server_conn *conn,
  			  const struct spdk_json_val *params,
  			  const struct spdk_json_val *id)
  {
  	struct rpc_trace_flag req = {};
  	struct spdk_json_write_ctx *w;
  
  	if (spdk_json_decode_object(params, rpc_trace_flag_decoders,
  				    sizeof(rpc_trace_flag_decoders) / sizeof(*rpc_trace_flag_decoders), &req)) {
  		SPDK_TRACELOG(SPDK_TRACE_DEBUG, "spdk_json_decode_object failed\n");
  		goto invalid;
  	}
  
  	if (req.flag == 0) {
  		SPDK_TRACELOG(SPDK_TRACE_DEBUG, "flag was 0\n");
  		goto invalid;
  	}
  
  	spdk_log_clear_trace_flag(req.flag);
  	free_rpc_trace_flag(&req);
  
  	if (id == NULL) {
  		return;
  	}
  
  	w = spdk_jsonrpc_begin_result(conn, id);
  	spdk_json_write_bool(w, true);
  	spdk_jsonrpc_end_result(conn, w);
  	return;
  
  invalid:
  	spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
  	free_rpc_trace_flag(&req);
  }
  SPDK_RPC_REGISTER("clear_trace_flag", spdk_rpc_clear_trace_flag)
  
  static void
  spdk_rpc_get_trace_flags(struct spdk_jsonrpc_server_conn *conn,
  			 const struct spdk_json_val *params,
  			 const struct spdk_json_val *id)
  {
  	struct spdk_json_write_ctx *w;
  	struct spdk_trace_flag *flag;
  
  	if (params != NULL) {
  		spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
  						 "get_trace_flags requires no parameters");
  		return;
  	}
  
  	if (id == NULL) {
  		return;
  	}
  
  	flag = spdk_log_get_first_trace_flag();
  	w = spdk_jsonrpc_begin_result(conn, id);
  	spdk_json_write_object_begin(w);
  	while (flag) {
  		spdk_json_write_name(w, flag->name);
  		spdk_json_write_bool(w, flag->enabled);
  		flag = spdk_log_get_next_trace_flag(flag);
  	}
  	spdk_json_write_object_end(w);
  	spdk_jsonrpc_end_result(conn, w);
  }
  SPDK_RPC_REGISTER("get_trace_flags", spdk_rpc_get_trace_flags)
  