105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* Martin d'Allens <martin.dallens@gmail.com> wrote this file. As long as you retain
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* this notice you can do whatever you want with this stuff. If we meet some day,
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* and you think this stuff is worth it, you can buy me a beer in return.
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* ----------------------------------------------------------------------------
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*/
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#ifndef __HTTPCLIENT_H__
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#define __HTTPCLIENT_H__
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static const char log_prefix[] = "HTTP client: ";
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#if defined(DEVELOP_VERSION)
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#define HTTPCLIENT_DEBUG_ON
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#endif
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#if defined(HTTPCLIENT_DEBUG_ON)
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#define HTTPCLIENT_DEBUG(format, ...) dbg_printf("%s"format"\n", log_prefix, ##__VA_ARGS__)
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#else
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#define HTTPCLIENT_DEBUG(...)
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#endif
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#if defined(NODE_ERROR)
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#define HTTPCLIENT_ERR(format, ...) NODE_ERR("%s"format"\n", log_prefix, ##__VA_ARGS__)
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#else
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#define HTTPCLIENT_ERR(...)
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#endif
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#if defined(USES_SDK_BEFORE_V140)
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#define espconn_send espconn_sent
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#define espconn_secure_send espconn_secure_sent
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#endif
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/*
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* In case of TCP or DNS error the callback is called with this status.
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*/
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#define HTTP_STATUS_GENERIC_ERROR (-1)
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/*
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* Size of http responses that will cause an error.
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*/
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#define BUFFER_SIZE_MAX (0x2000)
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/*
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* Timeout of http request.
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*/
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#define HTTP_REQUEST_TIMEOUT_MS (60000)
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/*
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* "full_response" is a string containing all response headers and the response body.
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* "response_body and "http_status" are extracted from "full_response" for convenience.
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*
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* A successful request corresponds to an HTTP status code of 200 (OK).
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* More info at http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
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*/
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typedef void (* http_callback_t)(char * response_body, int http_status, char ** full_response_p, int body_size);
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/*
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* Call this function to skip URL parsing if the arguments are already in separate variables.
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*/
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void ICACHE_FLASH_ATTR http_raw_request(const char * hostname, int port, bool secure, const char * method, const char * path, const char * headers, const char * post_data, http_callback_t callback_handle, int redirect_follow_count);
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/*
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* Request data from URL use custom method.
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* The data should be encoded as any format.
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* Try:
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* http_request("http://httpbin.org/post", "OPTIONS", "Content-type: text/plain", "Hello world", http_callback_example, 0);
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*/
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void ICACHE_FLASH_ATTR http_request(const char * url, const char * method, const char * headers, const char * post_data, http_callback_t callback_handle, int redirect_follow_count);
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/*
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* Post data to a web form.
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* The data should be encoded as any format.
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* Try:
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* http_post("http://httpbin.org/post", "Content-type: application/json", "{\"hello\": \"world\"}", http_callback_example);
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*/
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void ICACHE_FLASH_ATTR http_post(const char * url, const char * headers, const char * post_data, http_callback_t callback_handle);
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/*
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* Download a web page from its URL.
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* Try:
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* http_get("http://wtfismyip.com/text", NULL, http_callback_example);
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*/
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void ICACHE_FLASH_ATTR http_get(const char * url, const char * headers, http_callback_t callback_handle);
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/*
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* Delete a web page from its URL.
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* Try:
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* http_delete("http://wtfismyip.com/text", NULL, http_callback_example);
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*/
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void ICACHE_FLASH_ATTR http_delete(const char * url, const char * headers, const char * post_data, http_callback_t callback_handle);
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/*
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* Update data to a web form.
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* The data should be encoded as any format.
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* Try:
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* http_put("http://httpbin.org/post", "Content-type: application/json", "{\"hello\": \"world\"}", http_callback_example);
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*/
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void ICACHE_FLASH_ATTR http_put(const char * url, const char * headers, const char * post_data, http_callback_t callback_handle);
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/*
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* Output on the UART.
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*/
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void http_callback_example(char * response, int http_status, char * full_response);
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#endif // __HTTPCLIENT_H__
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