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diff --git a/apps/egara/src/egara_imap.erl b/apps/egara/src/egara_imap.erl
index 063e05c..5c40a96 100644
--- a/apps/egara/src/egara_imap.erl
+++ b/apps/egara/src/egara_imap.erl
@@ -1,198 +1,198 @@
%% Copyright 2014 Kolab Systems AG (http://www.kolabsys.com)
%%
%% Aaron Seigo (Kolab Systems) <seigo a kolabsys.com>
%%
%% This program is free software: you can redistribute it and/or modify
%% it under the terms of the GNU General Public License as published by
%% the Free Software Foundation, either version 3 of the License, or
%% (at your option) any later version.
%%
%% This program is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU General Public License for more details.
%%
%% You should have received a copy of the GNU General Public License
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
-module(egara_imap).
-behaviour(gen_fsm).
%% API
--export([start_link/0, connect/1, disconnect/1, get_folder_annotations/4]).
+-export([start_link/1, connect/1, disconnect/1, get_folder_annotations/4]).
%% gen_fsm callbacks
-export([disconnected/2, authenticate/2, authenticating/2, idle/2, wait_response/2]).
-export([init/1, handle_event/3, handle_sync_event/4, handle_info/3, terminate/3, code_change/4]).
%% state record definition
-record(state, { host, port, tls, user, pass, authed = false, socket = none,
command_serial = 1, command_queue = queue:new(), current_command = none,
shared_prefix = none, hierarchy_delim = "/" }).
-record(command, { tag, message, from = none, response_token = none }).
%% public API
-start_link() -> gen_fsm:start_link(?MODULE, [], []).
+start_link(_Args) -> gen_fsm:start_link(?MODULE, [], []).
connect(PID) -> gen_fsm:send_event(PID, connect).
disconnect(PID) -> gen_fsm:send_all_state_event(PID, disconnect).
get_folder_annotations(PID, From, ResponseToken, Folder) when is_list(Folder) ->
get_folder_annotations(PID, From, ResponseToken, list_to_binary(Folder));
get_folder_annotations(PID, From, ResponseToken, Folder) when is_binary(Folder) ->
gen_fsm:send_all_state_event(PID, { ready_command, egara_imap_command_annotation:new(Folder), From, ResponseToken }).
%% gen_server API
init(_Args) ->
Config = application:get_env(egara, imap, []),
AdminConnConfig = proplists:get_value(admin_connection, Config, []),
State = #state {
host = proplists:get_value(host, AdminConnConfig, ""),
port = proplists:get_value(port, AdminConnConfig, 993),
tls = proplists:get_value(tls, AdminConnConfig, true),
user = list_to_binary(proplists:get_value(user, AdminConnConfig, "cyrus-admin")),
pass = list_to_binary(proplists:get_value(pass, AdminConnConfig, ""))
},
gen_fsm:send_all_state_event(self(), { ready_command, egara_imap_command_namespace:new(), self(), get_shared_prefix }),
{ ok, disconnected, State }.
disconnected(connect, #state{ host = Host, port = Port, tls = TLS, socket = none } = State) ->
%%lager:info("~p: Connecting to ~p:~p", [connect, Host, Port]),
{ok, Socket} = create_socket(Host, Port, TLS),
{ next_state, authenticate, State#state { socket = Socket } };
disconnected(connect, State) ->
lager:warning("Already connected to IMAP server!"),
{ next_state, authenticate, State };
disconnected(Command, State) when is_record(Command, command) ->
{ next_state, disconnected, enque_command(Command, State) }.
authenticate({ data, _Data }, #state{ user = User, pass = Pass, authed = false } = State) ->
Message = <<"LOGIN ", User/binary, " ", Pass/binary>>,
Command = #command{ message = Message },
send_command(Command, State),
{ next_state, authenticating, State#state{ authed = in_process } };
authenticate(Command, State) when is_record(Command, command) ->
{ next_state, authenticate, enque_command(Command, State) }.
authenticating({ data, Data }, #state{ authed = in_process } = State) ->
Token = <<" OK ">>, %TODO would be nice to have the tag there
case binary:match(Data, Token) of
nomatch ->
lager:warning("Log in to IMAP server failed: ~p", [Data]),
close_socket(State),
{ next_state, idle, State#state{ socket = none, authed = false } };
_ ->
%%lager:info("Logged in to IMAP server successfully"),
gen_fsm:send_event(self(), process_command_queue),
{ next_state, idle, State#state{ authed = true } }
end;
authenticating(Command, State) when is_record(Command, command) ->
{ next_state, authenticating, enque_command(Command, State) }.
idle(process_command_queue, #state{ command_queue = Queue } = State) ->
case queue:out(Queue) of
{ { value, Command }, ModifiedQueue } when is_record(Command, command) ->
%%lager:info("Clearing queue of ~p", [Command]),
NewState = send_command(Command, State),
{ next_state, wait_response, NewState#state{ command_queue = ModifiedQueue } };
{ empty, ModifiedQueue } ->
{ next_state, idle, State#state{ command_queue = ModifiedQueue } }
end;
idle({ data, Data }, State) ->
lager:info("Idling, server sent: ~p", [Data]),
{ next_state, idle, State };
idle(Command, State) when is_record(Command, command) ->
lager:info("Idling"),
NewState = send_command(Command, State),
{ next_state, wait_response, NewState };
idle(_Event, State) ->
{ next_state, idle, State }.
wait_response({ data, Data }, State) ->
%%lager:info("Waiting for a response, server sent: ~p", [Data]),
%%TODO: this case statement is going to quickly get ugly with all the message possibilities
%% find an elegant way to use the egara_imap_command_* modules for this
Response =
case Data of
<<"* NAMESPACE ", _/binary>> ->
egara_imap_command_namespace:parse(Data);
<<"* ANNOTATION ", _/binary>> ->
egara_imap_command_annotation:parse(Data);
_ -> none
end,
notify_of_response(Response, State),
gen_fsm:send_event(self(), process_command_queue),
{ next_state, idle, State }.
handle_event(disconnect, _StateName, State) ->
close_socket(State),
{ next_state, disconnected, reset_state(State) };
handle_event({ ready_command, Message, From, ResponseToken }, StateName, State) ->
Command = #command{ message = Message, from = From, response_token = ResponseToken },
?MODULE:StateName(Command, State);
handle_event(_Event, StateName, State) -> { next_state, StateName, State}.
handle_sync_event(_Event, _From, StateName, State) -> { next_state, StateName, State}.
handle_info({ ssl, Socket, Bin }, StateName, #state{ socket = Socket } = State) ->
% Flow control: enable forwarding of next TCP message
%lager:info("Received from server: ~p", [Bin]),
ssl:setopts(Socket, [{ active, once }]),
?MODULE:StateName({ data, Bin }, State);
handle_info({ tcp, Socket, Bin }, StateName, #state{ socket = Socket } = State) ->
% Flow control: enable forwarding of next TCP message
lager:info("Got us ~p", [Bin]),
inet:setopts(Socket, [{ active, once }]),
?MODULE:StateName({ data, Bin }, State);
handle_info({tcp_closed, Socket}, _StateName, #state{ socket = Socket, host = Host } = State) ->
lager:info("~p Client ~p disconnected.\n", [self(), Host]),
{ stop, normal, State };
handle_info({ get_shared_prefix, { SharedPrefix, Delim } }, StateName, State) ->
%%lager:info("Prefixes .... ~p ~p", [SharedPrefix, Delim]),
{ next_state, StateName, State#state{ shared_prefix = SharedPrefix, hierarchy_delim = Delim } };
handle_info(_Info, StateName, State) ->
{ next_state, StateName, State }.
terminate(_Reason, _Statename, State) -> close_socket(State), ok.
code_change(_OldVsn, Statename, State, _Extra) -> { ok, Statename, State }.
%% private API
notify_of_response(none, _State) -> ok;
notify_of_response(_Response, #state{ current_command = #command { from = none } }) -> ok;
notify_of_response(Response, #state{ current_command = #command { from = From, response_token = none } }) -> From ! Response;
notify_of_response(Response, #state{ current_command = #command { from = From, response_token = Token } }) -> From ! { Token, Response };
notify_of_response(_, _) -> ok.
tag_field_width(Serial) when Serial < 10000 -> 4;
tag_field_width(Serial) -> tag_field_width(Serial / 10000, 5).
tag_field_width(Serial, Count) when Serial < 10 -> Count;
tag_field_width(Serial, Count) -> tag_field_width(Serial / 10, Count + 1).
create_socket(Host, Port, true) -> ssl:connect(Host, Port, [binary, {active, once}], 1000);
create_socket(Host, Port, _) -> gen_tcp:connect(Host, Port, [binary, {active, once}], 1000).
close_socket(#state{ socket = none }) -> ok;
close_socket(#state{ socket = Socket, tls = true }) -> ssl:close(Socket);
close_socket(#state{ socket = Socket }) -> gen_tcp:close(Socket).
reset_state(State) -> State#state{ socket = none, authed = false, command_serial = 1 }.
send_command(Command, #state{ socket = none } = State) ->
lager:warning("Not connected, dropping command on floor: ~s", [Command]),
State;
send_command(Command, #state{ tls = true} = State) ->
send_command(fun ssl:send/2, Command, State);
send_command(Command, State) ->
send_command(fun gen_tcp:send/2, Command, State).
send_command(Fun, #command{ message = Message } = Command, #state{ command_serial = Serial, socket = Socket } = State) ->
Tag = list_to_binary(io_lib:format("EG~*..0B", [tag_field_width(Serial), Serial])),
Data = <<Tag/binary, " ", Message/binary, "\n">>,
%%lager:info("Sending command via ~p: ~s", [Fun, Data]),
Fun(Socket, Data),
State#state{ command_serial = Serial + 1, current_command = Command#command{ tag = Tag } }.
enque_command(Command, State) ->
%%lager:info("Enqueuing command ~p", [Command]),
State#state { command_queue = queue:in(Command, State#state.command_queue) }.
diff --git a/apps/egara/src/egara_sup.erl b/apps/egara/src/egara_sup.erl
index 6717916..222f404 100644
--- a/apps/egara/src/egara_sup.erl
+++ b/apps/egara/src/egara_sup.erl
@@ -1,61 +1,62 @@
%% Copyright 2014 Kolab Systems AG (http://www.kolabsys.com)
%%
%% Aaron Seigo (Kolab Systems) <seigo a kolabsys.com>
%%
%% This program is free software: you can redistribute it and/or modify
%% it under the terms of the GNU General Public License as published by
%% the Free Software Foundation, either version 3 of the License, or
%% (at your option) any later version.
%%
%% This program is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU General Public License for more details.
%%
%% You should have received a copy of the GNU General Public License
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
-module(egara_sup).
-behaviour(supervisor).
%% API
-export([start_link/0]).
%% Supervisor callbacks
-export([init/1]).
%% Helper macro for declaring children of supervisor
-define(CHILD(Module, Type), { Module, { Module, start_link, []}, permanent, 5000, Type, [Module] }).
%% ===================================================================
%% API functions
%% ===================================================================
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
%% ===================================================================
%% Supervisor callbacks
%% ===================================================================
init([]) ->
lager:info(" Creating resource pools ..."),
WorkerSize = application:get_env(egara, worker_pool_size, erlang:system_info(schedulers_online) * 2),
Pools = [
{ egara_notification_workers, egara_worker, [ { size, WorkerSize }, { max_overflow, 0 }], [ ] },
{ egara_storage_pool, egara_storage, [ { size, WorkerSize }, { max_overflow, 0 }], [ ] },
- { egara_ldap_pool, egara_ldap, [ { size, WorkerSize }, { max_overflow, 0 }], [ ] }
+ { egara_ldap_pool, egara_ldap, [ { size, WorkerSize }, { max_overflow, 0 }], [ ] },
+ { egara_imap_pool, egara_imap, [ { size, WorkerSize }, { max_overflow, 0 }], [ ] }
],
PoolSpecs = lists:map(fun({Name, Module, PoolConfig, WorkerArgs}) ->
PoolArgs = [{ name, { local, Name } }, { worker_module, Module }],
poolboy:child_spec(Name, PoolArgs ++ PoolConfig, WorkerArgs)
end, Pools),
%lager:info("Pools: ~p", [PoolSpecs]),
Children = [
?CHILD(egara_riak_config, worker),
?CHILD(egara_notifications_receiver, worker),
?CHILD(egara_notifications_processor, worker)
],
{ok, { {one_for_one, 5, 10}, PoolSpecs ++ Children} }.

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