| %% |
| %% Licensed to the Apache Software Foundation (ASF) under one |
| %% or more contributor license agreements. See the NOTICE file |
| %% distributed with this work for additional information |
| %% regarding copyright ownership. The ASF licenses this file |
| %% to you under the Apache License, Version 2.0 (the |
| %% "License"); you may not use this file except in compliance |
| %% with the License. You may obtain a copy of the License at |
| %% |
| %% http://www.apache.org/licenses/LICENSE-2.0 |
| %% |
| %% Unless required by applicable law or agreed to in writing, |
| %% software distributed under the License is distributed on an |
| %% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| %% KIND, either express or implied. See the License for the |
| %% specific language governing permissions and limitations |
| %% under the License. |
| %% |
| |
| -module(thrift_base64_transport). |
| |
| -behaviour(thrift_transport). |
| |
| %% API |
| -export([new/1, new_transport_factory/1]). |
| |
| %% thrift_transport callbacks |
| -export([write/2, read/2, flush/1, close/1]). |
| |
| %% State |
| -record(b64_transport, {wrapped}). |
| -type state() :: #b64_transport{}. |
| -include("thrift_transport_behaviour.hrl"). |
| |
| new(Wrapped) -> |
| State = #b64_transport{wrapped = Wrapped}, |
| thrift_transport:new(?MODULE, State). |
| |
| |
| write(This = #b64_transport{wrapped = Wrapped}, Data) -> |
| {NewWrapped, Result} = thrift_transport:write(Wrapped, base64:encode(iolist_to_binary(Data))), |
| {This#b64_transport{wrapped = NewWrapped}, Result}. |
| |
| |
| %% base64 doesn't support reading quite yet since it would involve |
| %% nasty buffering and such |
| read(This = #b64_transport{}, _Data) -> |
| {This, {error, no_reads_allowed}}. |
| |
| |
| flush(This = #b64_transport{wrapped = Wrapped0}) -> |
| {Wrapped1, ok} = thrift_transport:write(Wrapped0, <<"\n">>), |
| {Wrapped2, ok} = thrift_transport:flush(Wrapped1), |
| {This#b64_transport{wrapped = Wrapped2}, ok}. |
| |
| |
| close(This0) -> |
| {This1 = #b64_transport{wrapped = Wrapped}, ok} = flush(This0), |
| {NewWrapped, ok} = thrift_transport:close(Wrapped), |
| {This1#b64_transport{wrapped = NewWrapped}, ok}. |
| |
| |
| %%%% FACTORY GENERATION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| new_transport_factory(WrapFactory) -> |
| F = fun() -> |
| {ok, Wrapped} = WrapFactory(), |
| new(Wrapped) |
| end, |
| {ok, F}. |