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authorHans Nilsson <[email protected]>2015-10-06 21:18:23 +0200
committerHans Nilsson <[email protected]>2015-10-08 18:57:05 +0200
commit84df3d4d0278e21a36a453bfee94799f0df67c2a (patch)
treecb039b3147502dab3085d3021f60e9e6378598b0 /lib/ssh/test
parenta2c538dee3013bb6285027d9ae45b7f055e8e8eb (diff)
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ssh: Option max_channels added.
It actually counts the number of subsystem alive. Allocating a channel does not consume any resources (except some cpu cycles), but the subsystem start spawns processes.
Diffstat (limited to 'lib/ssh/test')
-rw-r--r--lib/ssh/test/ssh_connection_SUITE.erl75
1 files changed, 74 insertions, 1 deletions
diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl
index fbcf06290a..37bba07440 100644
--- a/lib/ssh/test/ssh_connection_SUITE.erl
+++ b/lib/ssh/test/ssh_connection_SUITE.erl
@@ -48,7 +48,8 @@ all() ->
gracefull_invalid_long_start,
gracefull_invalid_long_start_no_nl,
stop_listener,
- start_subsystem_on_closed_channel
+ start_subsystem_on_closed_channel,
+ max_channels_option
].
groups() ->
[{openssh, [], payload() ++ ptty()}].
@@ -606,6 +607,78 @@ start_subsystem_on_closed_channel(Config) ->
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+max_channels_option() ->
+ [{doc, "Test max_channels option"}].
+
+max_channels_option(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {max_channels, 3},
+ {subsystems, [{"echo_n", {ssh_echo_server, [4000000]}}]}
+ ]),
+
+ ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}]),
+
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, ChannelId1} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, ChannelId2} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, ChannelId3} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, ChannelId4} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, ChannelId5} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, _ChannelId6} = ssh_connection:session_channel(ConnectionRef, infinity),
+
+ %%%---- shell
+ ok = ssh_connection:shell(ConnectionRef,ChannelId0),
+ receive
+ {ssh_cm,ConnectionRef, {data, ChannelId0, 0, <<"Eshell",_/binary>>}} ->
+ ok
+ after 5000 ->
+ ct:fail("CLI Timeout")
+ end,
+
+ %%%---- subsystem "echo_n"
+ success = ssh_connection:subsystem(ConnectionRef, ChannelId1, "echo_n", infinity),
+
+ %%%---- exec #1
+ success = ssh_connection:exec(ConnectionRef, ChannelId2, "testing1.\n", infinity),
+ receive
+ {ssh_cm, ConnectionRef, {data, ChannelId2, 0, <<"testing1",_/binary>>}} ->
+ ok
+ after 5000 ->
+ ct:fail("Exec #1 Timeout")
+ end,
+
+ %%%---- ptty
+ success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId3, []),
+
+ %%%---- exec #2
+ failure = ssh_connection:exec(ConnectionRef, ChannelId4, "testing2.\n", infinity),
+
+ %%%---- close the shell
+ ok = ssh_connection:send(ConnectionRef, ChannelId0, "exit().\n", 5000),
+
+ %%%---- exec #3
+ success = ssh_connection:exec(ConnectionRef, ChannelId5, "testing3.\n", infinity),
+ receive
+ {ssh_cm, ConnectionRef, {data, ChannelId5, 0, <<"testing3",_/binary>>}} ->
+ ok
+ after 5000 ->
+ ct:fail("Exec #3 Timeout")
+ end,
+
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid).
+
+%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
big_cat_rx(ConnectionRef, ChannelId) ->