/**

* @functypedef

*

* Callback function invoked when a invalid header name/value pair is

* Callback function invoked when an invalid header name/value pair is

* received for the |frame|.

*

* The parameter and behaviour are similar to

* :type:`nghttp2_on_header_callback`. The difference is that this

* callback is only invoked when a invalid header name/value pair is

* received which is treated as stream error if this callback is not

* set. Only invalid regular header field are passed to this

* callback. In other words, invalid pseudo header field is not

* passed to this callback. Also header fields which includes upper

* cased latter are also treated as error without passing them to this

* callback.

* callback is only invoked when an invalid header name/value pair is

* received which is treated as stream error if this callback returns

* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` and

* :type:`nghttp2_on_invalid_header_callback2` is not set. Only

* invalid regular header field are passed to this callback. In other

* words, invalid pseudo header field is not passed to this callback.

* Also header fields which includes upper cased latter are also

* treated as error without passing them to this callback.

*

* This callback is only considered if HTTP messaging validation is

* turned on (which is on by default, see

/**

* @functypedef

*

* Callback function invoked when a invalid header name/value pair is

* Callback function invoked when an invalid header name/value pair is

* received for the |frame|.

*

* The parameter and behaviour are similar to

* :type:`nghttp2_on_header_callback2`. The difference is that this

* callback is only invoked when a invalid header name/value pair is

* received which is silently ignored if this callback is not set.

* Only invalid regular header field are passed to this callback. In

* other words, invalid pseudo header field is not passed to this

* callback. Also header fields which includes upper cased latter are

* also treated as error without passing them to this callback.

* callback is only invoked when an invalid header name/value pair is

* received which is silently ignored if neither this callback nor

* :type:`nghttp2_on_invalid_header_callback` is set. Only invalid

* regular header field are passed to this callback. In other words,

* invalid pseudo header field is not passed to this callback. Also

* header fields which includes upper cased latter are also treated as

* error without passing them to this callback.

*

* This callback is only considered if HTTP messaging validation is

* turned on (which is on by default, see

int lib_error_code, const char *msg,

size_t len, void *user_data);

/**

* @functypedef

*

* Callback function invoked when unpredictable data of |destlen|

* bytes are needed. The implementation must write unpredictable data

* of |destlen| bytes into the buffer pointed by |dest|.

*/

typedef void (*nghttp2_rand_callback)(uint8_t *dest, size_t destlen);

struct nghttp2_session_callbacks;

/**

/**

* @function

*

* Sets callback function invoked when a invalid header name/value

* Sets callback function invoked when an invalid header name/value

* pair is received. If both

* `nghttp2_session_callbacks_set_on_invalid_header_callback()` and

* `nghttp2_session_callbacks_set_on_invalid_header_callback2()` are

/**

* @function

*

* Sets callback function invoked when a invalid header name/value

* Sets callback function invoked when an invalid header name/value

* pair is received.

*/

NGHTTP2_EXTERN void nghttp2_session_callbacks_set_on_invalid_header_callback2(

NGHTTP2_EXTERN void nghttp2_session_callbacks_set_error_callback2(

nghttp2_session_callbacks *cbs, nghttp2_error_callback2 error_callback2);

/**

* @function

*

* Sets callback function invoked when unpredictable data is needed.

* Although this callback is optional due to the backward

* compatibility, it is recommended to specify it to harden the

* runtime behavior against suspicious activities of a remote

* endpoint.

*/

NGHTTP2_EXTERN void nghttp2_session_callbacks_set_rand_callback(

nghttp2_session_callbacks *cbs, nghttp2_rand_callback rand_callback);

/**

* @functypedef

*

NGHTTP2_EXTERN void nghttp2_option_set_max_continuations(nghttp2_option *option,

size_t val);

/**

* @function

*

* This function sets the rate limit for the "glitches", the

* suspicious activities from a remote endpoint. It is a token-bucket

* based rate limiter. |burst| specifies the number of tokens that is

* initially available. The maximum number of tokens is capped to

* this value. |rate| specifies the number of tokens that are

* regenerated per second. When a suspicious activity is detected,

* some amount of tokens are consumed. If there is no token

* available, GOAWAY is sent to tear down the connection. |burst| and

* |rate| default to 1000 and 33 respectively.

*/

NGHTTP2_EXTERN void nghttp2_option_set_glitch_rate_limit(nghttp2_option *option,

uint64_t burst,

uint64_t rate);

/**

* @function

*