jsonrpc.h (2729B)
1 /*
2 * Copyright (c) 2016 Raphaël Monrouzeau <raphael.monrouzeau@gmail.com>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #if !defined(KORE_NO_HTTP)
18
19 #ifndef __H_JSONRPC_H
20 #define __H_JSONRPC_H
21
22 #if defined(__cplusplus)
23 extern "C" {
24 #endif
25
26 /* JSON RPC request handling log entry. */
27 struct jsonrpc_log
28 {
29 char *msg;
30 struct jsonrpc_log *next, *prev;
31 int lvl;
32 };
33
34 /* JSON RPC request. */
35 struct jsonrpc_request
36 {
37 struct jsonrpc_log log;
38 struct kore_buf buf;
39 struct http_request *http;
40 yajl_gen gen;
41 yajl_val json;
42 yajl_val id;
43 char *method;
44 yajl_val params;
45 unsigned int flags;
46 int log_levels;
47 };
48
49 #define YAJL_GEN_CONST_STRING(CTX, STR) \
50 yajl_gen_string((CTX), (unsigned char *)(STR), sizeof (STR) - 1)
51
52 #define YAJL_GEN_CONST_NUMBER(CTX, STR) \
53 yajl_gen_number((CTX), (unsigned char *)(STR), sizeof (STR) - 1)
54
55 #define YAJL_GEN_KO(OPERATION) \
56 ((OPERATION) != yajl_gen_status_ok)
57
58 enum jsonrpc_error_code
59 {
60 #define JSONRPC_PARSE_ERROR_MSG "Parse error"
61 JSONRPC_PARSE_ERROR = -32700,
62 #define JSONRPC_INVALID_REQUEST_MSG "Invalid Request"
63 JSONRPC_INVALID_REQUEST = -32600,
64 #define JSONRPC_METHOD_NOT_FOUND_MSG "Method not found"
65 JSONRPC_METHOD_NOT_FOUND = -32601,
66 #define JSONRPC_INVALID_PARAMS_MSG "Invalid params"
67 JSONRPC_INVALID_PARAMS = -32602,
68 #define JSONRPC_INTERNAL_ERROR_MSG "Internal error"
69 JSONRPC_INTERNAL_ERROR = -32603,
70 #define JSONRPC_SERVER_ERROR_MSG "Server error"
71 JSONRPC_SERVER_ERROR = -32000,
72 #define JSONRPC_LIMIT_REACHED_MSG "Limit reached"
73 JSONRPC_LIMIT_REACHED = -31997
74 };
75
76 void jsonrpc_log(struct jsonrpc_request *, int, const char *, ...)
77 __attribute__((format (printf, 3, 4)));
78 int jsonrpc_read_request(struct http_request *, struct jsonrpc_request *);
79 void jsonrpc_destroy_request(struct jsonrpc_request *);
80 int jsonrpc_error(struct jsonrpc_request *, int, const char *);
81 int jsonrpc_result(struct jsonrpc_request *,
82 int (*)(struct jsonrpc_request *, void *), void *);
83 #if defined(__cplusplus)
84 }
85 #endif
86 #endif /* !__H_JSONRPC_H */
87
88 #endif /* ! KORE_NO_HTTP */