wasm-micro-runtime/core/iwasm/lib/native-interface/shared_utils.h
Josh Triplett b0b0789dca Relicense to Apache-2.0 with the LLVM-exception (#137)
With agreement from contributors.
2019-11-12 07:45:21 +08:00

157 lines
3.3 KiB
C

/*
* 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);
#if WASM_ENABLE_GUI != 0
#include "wgl_shared_utils.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* end of _SHARED_UTILS_H_ */