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/jsonrpc.h" 38 39 #include <assert.h> 40 #include <errno.h> 41 #include <poll.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #include <netdb.h> 47 #include <netinet/in.h> 48 #include <netinet/tcp.h> 49 50 #include "spdk/log.h" 51 52 #define SPDK_JSONRPC_RECV_BUF_SIZE (32 * 1024) 53 #define SPDK_JSONRPC_SEND_BUF_SIZE (32 * 1024) 54 #define SPDK_JSONRPC_MAX_CONNS 64 55 #define SPDK_JSONRPC_MAX_VALUES 1024 56 57 struct spdk_jsonrpc_server_conn { 58 struct spdk_jsonrpc_server *server; 59 int sockfd; 60 struct spdk_json_val values[SPDK_JSONRPC_MAX_VALUES]; 61 size_t recv_len; 62 uint8_t recv_buf[SPDK_JSONRPC_RECV_BUF_SIZE]; 63 size_t send_len; 64 uint8_t send_buf[SPDK_JSONRPC_SEND_BUF_SIZE]; 65 struct spdk_json_write_ctx *json_writer; 66 bool batch; 67 }; 68 69 struct spdk_jsonrpc_server { 70 int sockfd; 71 spdk_jsonrpc_handle_request_fn handle_request; 72 struct spdk_jsonrpc_server_conn conns[SPDK_JSONRPC_MAX_CONNS]; 73 struct pollfd pollfds[SPDK_JSONRPC_MAX_CONNS + 1]; 74 int num_conns; 75 }; 76 77 /* jsonrpc_server_tcp */ 78 int spdk_jsonrpc_server_write_cb(void *cb_ctx, const void *data, size_t size); 79 void spdk_jsonrpc_server_handle_request(struct spdk_jsonrpc_server_conn *conn, 80 const struct spdk_json_val *method, 81 const struct spdk_json_val *params, 82 const struct spdk_json_val *id); 83 void spdk_jsonrpc_server_handle_error(struct spdk_jsonrpc_server_conn *conn, int error, 84 const struct spdk_json_val *method, 85 const struct spdk_json_val *params, 86 const struct spdk_json_val *id); 87 88 /* jsonrpc_server */ 89 int spdk_jsonrpc_parse_request(struct spdk_jsonrpc_server_conn *conn, void *json, size_t size); 90 91 #endif 92