1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef SPDK_JSONRPC_INTERNAL_H_ 35 #define SPDK_JSONRPC_INTERNAL_H_ 36 37 #include "spdk/stdinc.h" 38 39 #include "spdk/jsonrpc.h" 40 41 #include "spdk_internal/log.h" 42 43 #define SPDK_JSONRPC_RECV_BUF_SIZE (32 * 1024) 44 #define SPDK_JSONRPC_SEND_BUF_SIZE (32 * 1024) 45 #define SPDK_JSONRPC_MAX_CONNS 64 46 #define SPDK_JSONRPC_MAX_VALUES 1024 47 48 struct spdk_jsonrpc_request { 49 struct spdk_jsonrpc_server_conn *conn; 50 const struct spdk_json_val *id; 51 }; 52 53 struct spdk_jsonrpc_server_conn { 54 struct spdk_jsonrpc_server *server; 55 int sockfd; 56 struct spdk_json_val values[SPDK_JSONRPC_MAX_VALUES]; 57 size_t recv_len; 58 uint8_t recv_buf[SPDK_JSONRPC_RECV_BUF_SIZE]; 59 size_t send_len; 60 uint8_t send_buf[SPDK_JSONRPC_SEND_BUF_SIZE]; 61 struct spdk_json_write_ctx *json_writer; 62 bool batch; 63 }; 64 65 struct spdk_jsonrpc_server { 66 int sockfd; 67 spdk_jsonrpc_handle_request_fn handle_request; 68 struct spdk_jsonrpc_server_conn conns[SPDK_JSONRPC_MAX_CONNS]; 69 struct pollfd pollfds[SPDK_JSONRPC_MAX_CONNS + 1]; 70 int num_conns; 71 }; 72 73 /* jsonrpc_server_tcp */ 74 int spdk_jsonrpc_server_write_cb(void *cb_ctx, const void *data, size_t size); 75 void spdk_jsonrpc_server_handle_request(struct spdk_jsonrpc_request *request, 76 const struct spdk_json_val *method, 77 const struct spdk_json_val *params); 78 void spdk_jsonrpc_server_handle_error(struct spdk_jsonrpc_request *request, int error); 79 80 /* jsonrpc_server */ 81 int spdk_jsonrpc_parse_request(struct spdk_jsonrpc_server_conn *conn, void *json, size_t size); 82 83 #endif 84