Chapter 2. API Reference
If the web server’s socket closes, it frees up the session context by calling free() on the sess_ctx member.
If you wish to use a custom function for freeing the session context, please specify that here.
bool ignore_sess_ctx_changes
Flag indicating if Session Context changes should be ignored
By default, if you change the sess_ctx in some URI handler, the http server will internally free the
earlier context (if non NULL), after the URI handler returns. If you want to manage the alloca-
tion/reallocation/freeing of sess_ctx yourself, set this flag to true, so that the server will not perform
any checks on it. The context will be cleared by the server (by calling free_ctx or free()) only if the
socket gets closed.
struct httpd_uri
Structure for URI handler.
Public Members
const char *uri
The URI to handle
httpd_method_t method
Method supported by the URI
esp_err_t (*handler)(httpd_req_t *r)
Handler to call for supported request method. This must return ESP_OK, or else the underlying socket
will be closed.
void *user_ctx
Pointer to user context data which will be available to handler
Macros
HTTPD_MAX_REQ_HDR_LEN
HTTPD_MAX_URI_LEN
HTTPD_SOCK_ERR_FAIL
HTTPD_SOCK_ERR_INVALID
HTTPD_SOCK_ERR_TIMEOUT
HTTPD_200
HTTP Response 200
HTTPD_204
HTTP Response 204
HTTPD_207
HTTP Response 207
HTTPD_400
HTTP Response 400
HTTPD_404
HTTP Response 404
HTTPD_408
HTTP Response 408
HTTPD_500
HTTP Response 500
HTTPD_TYPE_JSON
HTTP Content type JSON
HTTPD_TYPE_TEXT
HTTP Content type text/HTML
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