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authorAdam Kocoloski <adam@cloudant.com>2010-08-11 15:52:06 -0400
committerAdam Kocoloski <adam@cloudant.com>2010-08-11 17:39:38 -0400
commit498d5c85681ddfea577377b8e10051fb445ac0c2 (patch)
tree10c4d32773d703374d000f7dc0ae3988f6926366 /src/mochiweb/reloader.erl
parent7e67565d2241783b5f24a37400ddae83b00c7a81 (diff)
move mochiweb to rebar layout
Diffstat (limited to 'src/mochiweb/reloader.erl')
-rw-r--r--src/mochiweb/reloader.erl123
1 files changed, 0 insertions, 123 deletions
diff --git a/src/mochiweb/reloader.erl b/src/mochiweb/reloader.erl
deleted file mode 100644
index 6835f8f9..00000000
--- a/src/mochiweb/reloader.erl
+++ /dev/null
@@ -1,123 +0,0 @@
-%% @copyright 2007 Mochi Media, Inc.
-%% @author Matthew Dempsky <matthew@mochimedia.com>
-%%
-%% @doc Erlang module for automatically reloading modified modules
-%% during development.
-
--module(reloader).
--author("Matthew Dempsky <matthew@mochimedia.com>").
-
--include_lib("kernel/include/file.hrl").
-
--behaviour(gen_server).
--export([start/0, start_link/0]).
--export([stop/0]).
--export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
-
--record(state, {last, tref}).
-
-%% External API
-
-%% @spec start() -> ServerRet
-%% @doc Start the reloader.
-start() ->
- gen_server:start({local, ?MODULE}, ?MODULE, [], []).
-
-%% @spec start_link() -> ServerRet
-%% @doc Start the reloader.
-start_link() ->
- gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
-
-%% @spec stop() -> ok
-%% @doc Stop the reloader.
-stop() ->
- gen_server:call(?MODULE, stop).
-
-%% gen_server callbacks
-
-%% @spec init([]) -> {ok, State}
-%% @doc gen_server init, opens the server in an initial state.
-init([]) ->
- {ok, TRef} = timer:send_interval(timer:seconds(1), doit),
- {ok, #state{last = stamp(), tref = TRef}}.
-
-%% @spec handle_call(Args, From, State) -> tuple()
-%% @doc gen_server callback.
-handle_call(stop, _From, State) ->
- {stop, shutdown, stopped, State};
-handle_call(_Req, _From, State) ->
- {reply, {error, badrequest}, State}.
-
-%% @spec handle_cast(Cast, State) -> tuple()
-%% @doc gen_server callback.
-handle_cast(_Req, State) ->
- {noreply, State}.
-
-%% @spec handle_info(Info, State) -> tuple()
-%% @doc gen_server callback.
-handle_info(doit, State) ->
- Now = stamp(),
- doit(State#state.last, Now),
- {noreply, State#state{last = Now}};
-handle_info(_Info, State) ->
- {noreply, State}.
-
-%% @spec terminate(Reason, State) -> ok
-%% @doc gen_server termination callback.
-terminate(_Reason, State) ->
- {ok, cancel} = timer:cancel(State#state.tref),
- ok.
-
-
-%% @spec code_change(_OldVsn, State, _Extra) -> State
-%% @doc gen_server code_change callback (trivial).
-code_change(_Vsn, State, _Extra) ->
- {ok, State}.
-
-%% Internal API
-
-doit(From, To) ->
- [case file:read_file_info(Filename) of
- {ok, #file_info{mtime = Mtime}} when Mtime >= From, Mtime < To ->
- reload(Module);
- {ok, _} ->
- unmodified;
- {error, enoent} ->
- %% The Erlang compiler deletes existing .beam files if
- %% recompiling fails. Maybe it's worth spitting out a
- %% warning here, but I'd want to limit it to just once.
- gone;
- {error, Reason} ->
- io:format("Error reading ~s's file info: ~p~n",
- [Filename, Reason]),
- error
- end || {Module, Filename} <- code:all_loaded(), is_list(Filename)].
-
-reload(Module) ->
- io:format("Reloading ~p ...", [Module]),
- code:purge(Module),
- case code:load_file(Module) of
- {module, Module} ->
- io:format(" ok.~n"),
- case erlang:function_exported(Module, test, 0) of
- true ->
- io:format(" - Calling ~p:test() ...", [Module]),
- case catch Module:test() of
- ok ->
- io:format(" ok.~n"),
- reload;
- Reason ->
- io:format(" fail: ~p.~n", [Reason]),
- reload_but_test_failed
- end;
- false ->
- reload
- end;
- {error, Reason} ->
- io:format(" fail: ~p.~n", [Reason]),
- error
- end.
-
-
-stamp() ->
- erlang:localtime().