ESP8266 part of the f105-motor-demo project (see f105-motor-demo_stm32)
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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* Martin d'Allens <martin.dallens@gmail.com> wrote this file. As long as you retain
* this notice you can do whatever you want with this stuff. If we meet some day,
* and you think this stuff is worth it, you can buy me a beer in return.
* ----------------------------------------------------------------------------
*/
#ifndef HTTPCLIENT_H
#define HTTPCLIENT_H
#include <esp8266.h>
#include <httpd.h>
#define HTTP_STATUS_GENERIC_ERROR -1 // In case of TCP or DNS error the callback is called with this status.
#define BUFFER_SIZE_MAX 5000 // Size of http responses that will cause an error.
#define HTTP_REQUEST_TIMEOUT_MS 10000
/* Define this if ssl is needed. Also link the ssl lib */
//#define USE_SECURE
/**
* "full_response" is a string containing all response headers and the response body.
* "response_body and "http_status" are extracted from "full_response" for convenience.
*
* A successful request corresponds to an HTTP status code of 200 (OK).
* More info at http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
*/
typedef void (* httpclient_cb)(char *response_body, int http_status, char *response_headers, int body_size);
/**
* @brief Download a web page from its URL.
*
* Try:
* http_get("http://wtfismyip.com/text", http_callback_example);
*/
bool http_get(const char * url, const char *headers, httpclient_cb user_callback);
/**
* @brief Post data to a web form.
*
* The data should be encoded as application/x-www-form-urlencoded.
*
* Try:
* http_post("http://httpbin.org/post", "first_word=hello&second_word=world", http_callback_example);
*/
bool http_post(const char *url, const char *post_data, const char *headers, httpclient_cb user_callback);
/** Like POST, but with the PUT method. */
bool http_put(const char *url, const char *body, const char *headers, httpclient_cb user_callback);
/**
* @brief Send a HTTP request
* @param url : protocol://host[:port][/path]
* @param method : get, post, ...
* @param body : request body. If GET & body != NULL, method changes to POST.
* @param headers : additional headers string. Must end with \r\n
* @param user_callback : callback for parsing the response
* @return success (in sending)
*/
bool http_request(const char *url, http_method method, const char *body, const char *headers, httpclient_cb user_callback);
/**
* Output on the UART.
*/
void http_callback_example(char *response_body, int http_status, char *response_headers, int body_size);
/**
* Show status code, and body on error. Error/warn log msg on error.
*/
void http_callback_showstatus(char *response_body, int code, char *response_headers, int body_size);
#endif