lib/erl/src/thrift_transport.erl

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-module(thrift_transport).

-export([behaviour_info/1]).

-export([new/2,
         write/2,
         read/2,
         flush/1,
         close/1
        ]).

behaviour_info(callbacks) ->
    [{read, 2},
     {write, 2},
     {flush, 1},
     {close, 1}
    ].

-record(transport, {module, data}).

new(Module, Data) when is_atom(Module) ->
    {ok, #transport{module = Module,
                    data = Data}}.

-spec write(#transport{}, iolist() | binary()) -> ok | {error, _Reason}.
write(Transport, Data) ->
    Module = Transport#transport.module,
    Module:write(Transport#transport.data, Data).

-spec read(#transport{}, non_neg_integer()) -> {ok, binary()} | {error, _Reason}.
read(Transport, Len) when is_integer(Len) ->
    Module = Transport#transport.module,
    Module:read(Transport#transport.data, Len).

-spec flush(#transport{}) -> ok | {error, _Reason}.
flush(#transport{module = Module, data = Data}) ->
    Module:flush(Data).

-spec close(#transport{}) -> ok | {error, _Reason}.
close(#transport{module = Module, data = Data}) ->
    Module:close(Data).