Tizen Native API  6.5

It manages HTTP request.

Required Header

#include <http.h>

Overview

It manages HTTP request message.

  • Set/Get URI, method
  • Make body for POST/PUT Method It supports other request options according to the HTTP protocol.

Related Features

This API is related with the following features:

  • http://tizen.org/feature/network.internet
    It is recommended to design feature related codes in your application for reliability.
    You can check if a device supports the related features for this API by using System Information, thereby controlling the procedure of your application.
    To ensure your application is only running on the device with specific features, please define the features in your manifest file using the manifest editor in the SDK.
    More details on featuring your application can be found from Feature Element.

Functions

int http_transaction_request_set_method (http_transaction_h http_transaction, http_method_e method)
 Sets an HTTP method of the request header.
int http_transaction_request_get_method (http_transaction_h http_transaction, http_method_e *method)
 Gets the HTTP method from request header.
int http_transaction_request_set_version (http_transaction_h http_transaction, http_version_e version)
 Sets an HTTP version of the request header.
int http_transaction_request_get_version (http_transaction_h http_transaction, http_version_e *version)
 Gets the HTTP version from request header.
int http_transaction_request_set_uri (http_transaction_h http_transaction, const char *host_uri)
 Sets a URI of the request header.
int http_transaction_request_get_uri (http_transaction_h http_transaction, char **host_uri)
 Gets the URI.
int http_transaction_request_set_accept_encoding (http_transaction_h http_transaction, const char *encoding)
 Sets the Accept-Encoding header field of HTTP Request.
int http_transaction_request_get_accept_encoding (http_transaction_h http_transaction, char **encoding)
 Gets the Accept-Encoding header field of HTTP Request.
int http_transaction_request_set_cookie (http_transaction_h http_transaction, const char *cookie)
 Sets a cookie in the HTTP request.
int http_transaction_request_get_cookie (http_transaction_h http_transaction, char **cookie)
 Gets a cookie in the HTTP request.
int http_transaction_request_write_body (http_transaction_h http_transaction, const char *body)
 Writes the request message body.
int http_transaction_request_set_upload_file (http_transaction_h http_transaction, const char *file_path)
 Sets the file path for uploading a file.

Function Documentation

int http_transaction_request_get_accept_encoding ( http_transaction_h  http_transaction,
char **  encoding 
)

Gets the Accept-Encoding header field of HTTP Request.

Since :
3.0
Remarks:
The encoding should be freed using free().
Parameters:
[in]http_transactionThe HTTP transaction handle
[out]encodingThe encoding algorithms
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_get_cookie ( http_transaction_h  http_transaction,
char **  cookie 
)

Gets a cookie in the HTTP request.

Since :
3.0
Remarks:
The cookie should be freed using free().
Parameters:
[in]http_transactionThe HTTP transaction handle
[out]cookieThe cookie
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_get_method ( http_transaction_h  http_transaction,
http_method_e method 
)

Gets the HTTP method from request header.

Since :
3.0
Parameters:
[in]http_transactionThe HTTP transaction handle
[out]methodThe HTTP method
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_get_uri ( http_transaction_h  http_transaction,
char **  host_uri 
)

Gets the URI.

Since :
3.0
Remarks:
The host_uri should be freed using free().
Parameters:
[in]http_transactionThe HTTP transaction handle
[out]host_uriThe host URI
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_get_version ( http_transaction_h  http_transaction,
http_version_e version 
)

Gets the HTTP version from request header.

Gets the HTTP version.

Since :
3.0
Parameters:
[in]http_transactionThe HTTP transaction handle
[out]versionThe HTTP version
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_set_accept_encoding ( http_transaction_h  http_transaction,
const char *  encoding 
)

Sets the Accept-Encoding header field of HTTP Request.

The Accept-Encoding header enables automatic decompression of HTTP downloads.

Since :
3.0
Remarks:
If empty string is set, an Accept-Encoding header contains all supported built-in compressions.
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]encodingThe encoding algorithms (e.g. gzip, deflate)
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_set_cookie ( http_transaction_h  http_transaction,
const char *  cookie 
)

Sets a cookie in the HTTP request.

Since :
3.0
Remarks:
The format of string should be NME=CONTENTS (e.g. "name1=hello; name2=tizen;")
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]cookieThe cookie
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported

Sets an HTTP method of the request header.

Sets an HTTP method such as GET, POST, PUT and etc.

Since :
3.0
Remarks:
The default method is GET.
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]methodThe HTTP method
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_set_upload_file ( http_transaction_h  http_transaction,
const char *  file_path 
)

Sets the file path for uploading a file.

Since :
3.0
Remarks:
It is used with HTTP_METHOD_PUT.
http://tizen.org/privilege/mediastorage is needed if input or output path are relevant to media storage.
http://tizen.org/privilege/externalstorage is needed if input or output path are relevant to external storage.
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]file_pathThe path for file
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
HTTP_ERROR_PERMISSION_DENIEDPermission denied
int http_transaction_request_set_uri ( http_transaction_h  http_transaction,
const char *  host_uri 
)

Sets a URI of the request header.

Sets a URI of the request header.

Since :
3.0
Remarks:
It should be used before http_transaction_submit().
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]host_uriThe URI to use in the request
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported

Sets an HTTP version of the request header.

Since :
3.0
Remarks:
The default version is HTTP 1.1.
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]versionThe HTTP version
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported
int http_transaction_request_write_body ( http_transaction_h  http_transaction,
const char *  body 
)

Writes the request message body.

This function writes the request message body in the internal queue.
The written queue for request body is uploaded after invoking http_transaction_submit().

Since :
3.0
Parameters:
[in]http_transactionThe HTTP transaction handle
[in]bodyThe message body data
Returns:
0 on success, otherwise negative error value
Return values:
HTTP_ERROR_NONESuccessful
HTTP_ERROR_INVALID_PARAMETERInvalid parameter
HTTP_ERROR_INVALID_OPERATIONInvalid operation
HTTP_ERROR_NOT_SUPPORTEDNot Supported