aboutsummaryrefslogtreecommitdiffstats
path: root/lib/ssh/src/sshc_sup.erl
blob: 9aab9d57e940bd9c3039fac54a7a7870728f7162 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2016. All Rights Reserved.
%%
%% Licensed 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.
%%
%% %CopyrightEnd%
%%

%%
%%----------------------------------------------------------------------
%% Purpose: The ssh client subsystem supervisor 
%%----------------------------------------------------------------------

-module(sshc_sup).

-behaviour(supervisor).

-export([start_link/0, start_child/1, stop_child/1]).

%% Supervisor callback
-export([init/1]).

%%%=========================================================================
%%%  API
%%%=========================================================================
start_link() ->
    supervisor:start_link({local, ?MODULE}, ?MODULE, []).

start_child(Args) ->
    supervisor:start_child(?MODULE, Args).

stop_child(Client) ->
    spawn(fun() -> 
		  ClientSup = whereis(?MODULE),
		  supervisor:terminate_child(ClientSup, Client)
	  end),
    ok.

%%%=========================================================================
%%%  Supervisor callback
%%%=========================================================================
init(_) ->
    RestartStrategy = simple_one_for_one,
    MaxR = 0,
    MaxT = 3600,
    {ok, {{RestartStrategy, MaxR, MaxT}, [child_spec()]}}.

%%%=========================================================================
%%%  Internal functions
%%%=========================================================================
child_spec() ->
    Name = undefined, % As simple_one_for_one is used.
    StartFunc = {ssh_connection_handler, start_link, []},
    Restart = temporary,
    Shutdown = 4000,
    Modules = [ssh_connection_handler],
    Type = worker,
    {Name, StartFunc, Restart, Shutdown, Type, Modules}.