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SourceVuESP-IDF Framework and ExamplesESP-IDFhttpd_register_err_handler()

httpd_register_err_handler() function

Function for registering HTTP error handlers This function maps a handler function to any supported error code given by `httpd_err_code_t`. See prototype `httpd_err_handler_func_t` above for details.

Syntax

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Summary

Declaration

Definition

from esp_http_server.h:671

esp_err_t httpd_register_err_handler(httpd_handle_t handle, httpd_err_code_t error, httpd_err_handler_func_t handler_fn);

Implemented in httpd_txrx.c:529

Arguments

Argument

Description

handle

HTTP server handle

error

Error type

handler_fn

User implemented handler function (Pass NULL to unset any previously set handler)

Return value

- ESP_OK : handler registered successfully - ESP_ERR_INVALID_ARG : invalid error code or server handle

Examples

httpd_register_err_handler() is referenced by 2 libraries and example projects:

captive_portal sample

simple sample

References

from 0/2 examples

Code

Location

esp_err_t httpd_register_err_handler(httpd_handle_t handle,

httpd_txrx.c:529

esp_err_t httpd_register_err_handler(httpd_handle_t handle,

esp_http_server.h:671

Call Tree

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Data Use

from 0/2 examples

httpd_register_err_handler() reads 2 variables:

httpd_err_code_t::HTTPD_ERR_CODE_MAX

httpd_data::err_handler_fns

httpd_register_err_handler()

Class Tree

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Override Tree

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Implementations

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Instances

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Lifecycle

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