static void encode_data_header_and_consume_window(h2o_http2_conn_t *conn, h2o_http2_stream_t *stream, uint8_t *header, size_t length, int eos)
{
assert(header != NULL);
h2o_http2_encode_frame_header(header, length, H2O_HTTP2_FRAME_TYPE_DATA, eos ? H2O_HTTP2_FRAME_FLAG_END_STREAM : 0, stream->stream_id);
h2o_http2_window_consume_window(&conn->_write.window, length);
h2o_http2_window_consume_window(&stream->output_window, length);
}
static void commit_data_header(h2o_http2_conn_t *conn, h2o_http2_stream_t *stream, h2o_buffer_t **outbuf, size_t length,
h2o_send_state_t send_state)
{
assert(outbuf != NULL);
/* send a DATA frame if there's data or the END_STREAM flag to send */
if (length || send_state == H2O_SEND_STATE_FINAL) {
h2o_http2_encode_frame_header((void *)((*outbuf)->bytes + (*outbuf)->size), length, H2O_HTTP2_FRAME_TYPE_DATA,
send_state == H2O_SEND_STATE_FINAL ? H2O_HTTP2_FRAME_FLAG_END_STREAM : 0, stream->stream_id);
h2o_http2_window_consume_window(&conn->_write.window, length);
h2o_http2_window_consume_window(&stream->output_window, length);
(*outbuf)->size += length + H2O_HTTP2_FRAME_HEADER_SIZE;
}
/* send a RST_STREAM if there's an error */
if (send_state == H2O_SEND_STATE_ERROR) {
h2o_http2_encode_rst_stream_frame(outbuf, stream->stream_id, -H2O_HTTP2_ERROR_PROTOCOL);
}
}
static uint8_t *allocate_frame(h2o_buffer_t **buf, size_t length, uint8_t type, uint8_t flags, int32_t stream_id)
{
h2o_iovec_t alloced = h2o_buffer_reserve(buf, H2O_HTTP2_FRAME_HEADER_SIZE + length);
(*buf)->size += H2O_HTTP2_FRAME_HEADER_SIZE + length;
return h2o_http2_encode_frame_header((uint8_t*)alloced.base, length, type, flags, stream_id);
}
