1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef _SHARED_UTILS_H_
#define _SHARED_UTILS_H_
#include "bh_platform.h"
#ifdef __cplusplus
extern "C" {
#endif
#define FMT_ATTR_CONTAINER 99
#define FMT_APP_RAW_BINARY 98
/* the request structure */
typedef struct request {
// message id
uint32 mid;
// url of the request
char *url;
// action of the request, can be PUT/GET/POST/DELETE
int action;
// payload format, currently only support attr_container_t type
int fmt;
// payload of the request, currently only support attr_container_t type
void *payload;
// length in bytes of the payload
int payload_len;
// sender of the request
unsigned long sender;
} request_t;
/* the response structure */
typedef struct response {
// message id
uint32 mid;
// status of the response
int status;
// payload format
int fmt;
// payload of the response,
void *payload;
// length in bytes of the payload
int payload_len;
// receiver of the response
unsigned long reciever;
} response_t;
int
check_url_start(const char *url, int url_len, const char *leading_str);
bool
match_url(char *pattern, char *matched);
char *
find_key_value(char *buffer, int buffer_len, char *key, char *value,
int value_len, char delimiter);
request_t *
clone_request(request_t *request);
void
request_cleaner(request_t *request);
response_t *
clone_response(response_t *response);
void
response_cleaner(response_t *response);
/**
* @brief Set fields of response.
*
* @param response pointer of the response to be set
* @param status status of response
* @param fmt format of the response payload
* @param payload payload of the response
* @param payload_len length in bytes of the response payload
*
* @return pointer to the response
*
* @warning the response pointer MUST NOT be NULL
*/
response_t *
set_response(response_t *response, int status, int fmt, const char *payload,
int payload_len);
/**
* @brief Make a response for a request.
*
* @param request pointer of the request
* @param response pointer of the response to be made
*
* @return pointer to the response
*
* @warning the request and response pointers MUST NOT be NULL
*/
response_t *
make_response_for_request(request_t *request, response_t *response);
/**
* @brief Initialize a request.
*
* @param request pointer of the request to be initialized
* @param url url of the request
* @param action action of the request
* @param fmt format of the request payload
* @param payload payload of the request
* @param payload_len length in bytes of the request payload
*
* @return pointer to the request
*
* @warning the request pointer MUST NOT be NULL
*/
request_t *
init_request(request_t *request, char *url, int action, int fmt, void *payload,
int payload_len);
char *
pack_request(request_t *request, int *size);
request_t *
unpack_request(char *packet, int size, request_t *request);
char *
pack_response(response_t *response, int *size);
response_t *
unpack_response(char *packet, int size, response_t *response);
void
free_req_resp_packet(char *packet);
char *
wa_strdup(const char *str);
#ifdef __cplusplus
}
#endif
#endif /* end of _SHARED_UTILS_H_ */
|
