HTTP WebSocket Classes basic_dynabuf_body basic_fields basic_parser fields header header_parser message message_parser request request_header response response_header streambuf_body string_body rfc7230 ext_list opt_token_list param_list token_list Functions async_read async_read_some async_write chunk_encode chunk_encode_final swap is_keep_alive is_upgrade operator<< prepare read read_some reason_string write Type Traits is_Body is_Reader is_Writer has_reader has_writer Constants connection error Concepts Body Field FieldSequence Reader Writer Classes close_reason ping_data stream reason_string teardown_tag Functions async_teardown teardown Options auto_fragment decorate keep_alive message_type permessage_deflate ping_callback read_buffer_size read_message_max write_buffer_size Constants close_code error opcode Core ZLib Classes async_completion basic_flat_streambuf basic_streambuf buffers_adapter consuming_buffers dynabuf_readstream errc error_category error_code error_condition flat_streambuf handler_alloc handler_ptr static_streambuf static_streambuf_n static_string streambuf system_error Functions bind_handler buffer_cat prepare_buffer prepare_buffers system_category to_string write Type Traits is_AsyncReadStream is_AsyncWriteStream is_AsyncStream is_BufferSequence is_CompletionHandler is_ConstBufferSequence is_DynamicBuffer is_MutableBufferSequence is_SyncReadStream is_SyncStream is_SyncWriteStream Concepts AsyncStream BufferSequence DynamicBuffer Stream SyncStream Classes deflate_stream inflate_stream z_params Functions deflate_upper_bound Constants error Flush Strategy Diagnostic doc_debug nested_doc_debug