8397285b50
In JSON RPC the ID is optional. Method is mandatory but user might want to produce the name later or by using spdk_json_write_named_string_fmt(). This patch also changes the argument order. Change-Id: Ifbd35b8c93e684d15731c4ba1d18bf68d1e8a068 Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com> Reviewed-on: https://review.gerrithub.io/429254 Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
119 lines
3.5 KiB
C
119 lines
3.5 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/event.h"
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#include "spdk/jsonrpc.h"
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#define RPC_MAX_METHODS 200
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static const char *g_rpcsock_addr = SPDK_DEFAULT_RPC_ADDR;
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static int g_addr_family = AF_UNIX;
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#define RPC_MAX_METHODS 200
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struct get_jsonrpc_methods_resp {
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char *method_names[RPC_MAX_METHODS];
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size_t method_num;
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};
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static int
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get_jsonrpc_method_json_parser(void *parser_ctx,
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const struct spdk_json_val *result)
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{
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struct get_jsonrpc_methods_resp *resp = parser_ctx;
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return spdk_json_decode_array(result, spdk_json_decode_string, resp->method_names,
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RPC_MAX_METHODS, &resp->method_num, sizeof(char *));
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}
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static int
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spdk_jsonrpc_client_check_rpc_method(struct spdk_jsonrpc_client *client, char *method_name)
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{
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int rc, i;
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struct get_jsonrpc_methods_resp resp = {};
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struct spdk_json_write_ctx *w;
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struct spdk_jsonrpc_client_request *request;
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request = spdk_jsonrpc_client_create_request();
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if (request == NULL) {
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return -ENOMEM;
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}
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w = spdk_jsonrpc_begin_request(request, 1, "get_rpc_methods");
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spdk_jsonrpc_end_request(request, w);
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spdk_jsonrpc_client_send_request(client, request);
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spdk_jsonrpc_client_free_request(request);
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rc = spdk_jsonrpc_client_recv_response(client, get_jsonrpc_method_json_parser, &resp);
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if (rc) {
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goto out;
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}
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for (i = 0; i < (int)resp.method_num; i++) {
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if (strcmp(method_name, resp.method_names[i]) == 0) {
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rc = 0;
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goto out;
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}
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}
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rc = -1;
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out:
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for (i = 0; i < (int)resp.method_num; i++) {
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SPDK_NOTICELOG("%s\n", resp.method_names[i]);
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free(resp.method_names[i]);
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}
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return rc;
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}
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int main(int argc, char **argv)
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{
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struct spdk_jsonrpc_client *client;
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int rc;
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char *method_name = "get_rpc_methods";
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client = spdk_jsonrpc_client_connect(g_rpcsock_addr, g_addr_family);
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if (!client) {
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return EXIT_FAILURE;
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}
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rc = spdk_jsonrpc_client_check_rpc_method(client, method_name);
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spdk_jsonrpc_client_close(client);
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return rc ? EXIT_FAILURE : 0;
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}
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