1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) 2020 Mellanox Technologies LTD. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Intel Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "spdk/sock.h" 34 35 #include "spdk/rpc.h" 36 #include "spdk/util.h" 37 #include "spdk/string.h" 38 39 #include "spdk_internal/log.h" 40 41 42 static const struct spdk_json_object_decoder rpc_sock_impl_get_opts_decoders[] = { 43 { "impl_name", 0, spdk_json_decode_string, false }, 44 }; 45 46 static void 47 rpc_sock_impl_get_options(struct spdk_jsonrpc_request *request, 48 const struct spdk_json_val *params) 49 { 50 char *impl_name = NULL; 51 struct spdk_sock_impl_opts sock_opts = {}; 52 struct spdk_json_write_ctx *w; 53 size_t len; 54 int rc; 55 56 if (spdk_json_decode_object(params, rpc_sock_impl_get_opts_decoders, 57 SPDK_COUNTOF(rpc_sock_impl_get_opts_decoders), &impl_name)) { 58 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 59 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 60 "Invalid parameters"); 61 return; 62 } 63 64 len = sizeof(sock_opts); 65 rc = spdk_sock_impl_get_opts(impl_name, &sock_opts, &len); 66 if (rc) { 67 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 68 "Invalid parameters"); 69 return; 70 } 71 72 w = spdk_jsonrpc_begin_result(request); 73 spdk_json_write_object_begin(w); 74 spdk_json_write_named_uint32(w, "recv_buf_size", sock_opts.recv_buf_size); 75 spdk_json_write_named_uint32(w, "send_buf_size", sock_opts.send_buf_size); 76 spdk_json_write_object_end(w); 77 spdk_jsonrpc_end_result(request, w); 78 free(impl_name); 79 } 80 SPDK_RPC_REGISTER("sock_impl_get_options", rpc_sock_impl_get_options, 81 SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) 82 83 struct spdk_rpc_sock_impl_set_opts { 84 char *impl_name; 85 struct spdk_sock_impl_opts sock_opts; 86 }; 87 88 static const struct spdk_json_object_decoder rpc_sock_impl_set_opts_decoders[] = { 89 { 90 "impl_name", offsetof(struct spdk_rpc_sock_impl_set_opts, impl_name), 91 spdk_json_decode_string, false 92 }, 93 { 94 "recv_buf_size", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.recv_buf_size), 95 spdk_json_decode_uint32, true 96 }, 97 { 98 "send_buf_size", offsetof(struct spdk_rpc_sock_impl_set_opts, sock_opts.send_buf_size), 99 spdk_json_decode_uint32, true 100 }, 101 }; 102 103 static void 104 rpc_sock_impl_set_options(struct spdk_jsonrpc_request *request, 105 const struct spdk_json_val *params) 106 { 107 struct spdk_rpc_sock_impl_set_opts opts = {}; 108 struct spdk_json_write_ctx *w; 109 size_t len; 110 int rc; 111 112 /* Get type */ 113 if (spdk_json_decode_object(params, rpc_sock_impl_set_opts_decoders, 114 SPDK_COUNTOF(rpc_sock_impl_set_opts_decoders), &opts)) { 115 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 116 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 117 "Invalid parameters"); 118 return; 119 } 120 121 /* Retrieve default opts for requested socket implementation */ 122 len = sizeof(opts.sock_opts); 123 rc = spdk_sock_impl_get_opts(opts.impl_name, &opts.sock_opts, &len); 124 if (rc) { 125 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 126 "Invalid parameters"); 127 return; 128 } 129 130 /* Decode opts */ 131 if (spdk_json_decode_object(params, rpc_sock_impl_set_opts_decoders, 132 SPDK_COUNTOF(rpc_sock_impl_set_opts_decoders), &opts)) { 133 SPDK_ERRLOG("spdk_json_decode_object() failed\n"); 134 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 135 "Invalid parameters"); 136 return; 137 } 138 139 rc = spdk_sock_impl_set_opts(opts.impl_name, &opts.sock_opts, sizeof(opts.sock_opts)); 140 if (rc != 0) { 141 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 142 "Invalid parameters"); 143 return; 144 } 145 146 w = spdk_jsonrpc_begin_result(request); 147 spdk_json_write_bool(w, true); 148 spdk_jsonrpc_end_result(request, w); 149 free(opts.impl_name); 150 } 151 SPDK_RPC_REGISTER("sock_impl_set_options", rpc_sock_impl_set_options, SPDK_RPC_STARTUP) 152