Function libnghttp2_sys::nghttp2_session_mem_recv

pub unsafe extern "C" fn nghttp2_session_mem_recv(
    session: *mut nghttp2_session,
    in_: *const u8,
    inlen: usize
) -> isize

@function

Processes data |in| as an input from the remote endpoint. The |inlen| indicates the number of bytes in the |in|.

This function behaves like nghttp2_session_recv() except that it does not use :type:nghttp2_recv_callback to receive data; the |in| is the only data for the invocation of this function. If all bytes are processed, this function returns. The other callbacks are called in the same way as they are in nghttp2_session_recv().

In the current implementation, this function always tries to processes all input data unless either an error occurs or :enum:NGHTTP2_ERR_PAUSE is returned from :type:nghttp2_on_header_callback or :type:nghttp2_on_data_chunk_recv_callback. If :enum:NGHTTP2_ERR_PAUSE is used, the return value includes the number of bytes which was used to produce the data or frame for the callback.

This function returns the number of processed bytes, or one of the following negative error codes:

:enum:NGHTTP2_ERR_NOMEM Out of memory. :enum:NGHTTP2_ERR_CALLBACK_FAILURE The callback function failed. :enum:NGHTTP2_ERR_BAD_CLIENT_MAGIC Invalid client magic was detected. This error only returns when |session| was configured as server and nghttp2_option_set_no_recv_client_magic() is not used with nonzero value. :enum:NGHTTP2_ERR_FLOODED Flooding was detected in this HTTP/2 session, and it must be closed. This is most likely caused by misbehaviour of peer.