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esp_http_client_example.c: Add note regarding use of URL and configuration parameters.

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Demonstrate use of query parameter.

Closes: https://github.com/espressif/esp-idf/issues/5174
This commit is contained in:
Shubham Kulkarni 2020-05-18 16:29:00 +05:30
parent 514596cb81
commit 7a561cb1fa
1 changed files with 10 additions and 1 deletions
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11
examples/protocols/esp_http_client/main/esp_http_client_example.c
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@ -111,8 +111,17 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
static void http_rest_with_url(void) static void http_rest_with_url(void)
{ {
char local_response_buffer[MAX_HTTP_OUTPUT_BUFFER] = {0}; char local_response_buffer[MAX_HTTP_OUTPUT_BUFFER] = {0};
/**
* NOTE: All the configuration parameters for http_client must be spefied either in URL or as host and path parameters.
* If host and path parameters are not set, query parameter will be ignored. In such cases,
* query parameter should be specified in URL.
*
* If URL as well as host and path parameters are specified, values of host and path will be considered.
*/
esp_http_client_config_t config = { esp_http_client_config_t config = {
.url = "http://httpbin.org/get", .host = "httpbin.org",
.path = "/get",
.query = "esp",
.event_handler = _http_event_handler, .event_handler = _http_event_handler,
.user_data = local_response_buffer, // Pass address of local buffer to get response .user_data = local_response_buffer, // Pass address of local buffer to get response
}; };