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-rw-r--r--lib/ssh/test/ssh_connection_SUITE.erl352
1 files changed, 270 insertions, 82 deletions
diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl
index 6e90faf0e8..bcf3b01824 100644
--- a/lib/ssh/test/ssh_connection_SUITE.erl
+++ b/lib/ssh/test/ssh_connection_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2015. All Rights Reserved.
+%% 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.
@@ -23,6 +23,7 @@
-include_lib("common_test/include/ct.hrl").
-include_lib("ssh/src/ssh_connect.hrl").
+-include("ssh_test_lib.hrl").
-compile(export_all).
@@ -37,15 +38,20 @@
%% [{ct_hooks,[ts_install_cth]}].
suite() ->
- [{timetrap,{minutes,2}}].
+ [{timetrap,{seconds,40}}].
all() ->
[
{group, openssh},
+ small_interrupted_send,
interrupted_send,
start_shell,
start_shell_exec,
start_shell_exec_fun,
+ start_shell_sock_exec_fun,
+ start_shell_sock_daemon_exec,
+ connect_sock_not_tcp,
+ daemon_sock_not_tcp,
gracefull_invalid_version,
gracefull_invalid_start,
gracefull_invalid_long_start,
@@ -55,10 +61,11 @@ all() ->
max_channels_option
].
groups() ->
- [{openssh, [], payload() ++ ptty()}].
+ [{openssh, [], payload() ++ ptty() ++ sock()}].
payload() ->
[simple_exec,
+ simple_exec_sock,
small_cat,
big_cat,
send_after_exit].
@@ -68,9 +75,14 @@ ptty() ->
ptty_alloc,
ptty_alloc_pixel].
+sock() ->
+ [connect_sock_not_passive,
+ daemon_sock_not_passive
+ ].
+
%%--------------------------------------------------------------------
init_per_suite(Config) ->
- Config.
+ ?CHECK_CRYPTO(Config).
end_per_suite(Config) ->
Config.
@@ -110,6 +122,18 @@ simple_exec() ->
simple_exec(Config) when is_list(Config) ->
ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true},
{user_interaction, false}]),
+ do_simple_exec(ConnectionRef).
+
+
+simple_exec_sock(_Config) ->
+ {ok, Sock} = gen_tcp:connect("localhost", ?SSH_DEFAULT_PORT, [{active,false}]),
+ {ok, ConnectionRef} = ssh:connect(Sock, [{silently_accept_hosts, true},
+ {user_interaction, false}]),
+ do_simple_exec(ConnectionRef).
+
+
+
+do_simple_exec(ConnectionRef) ->
{ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
success = ssh_connection:exec(ConnectionRef, ChannelId0,
"echo testing", infinity),
@@ -142,6 +166,30 @@ simple_exec(Config) when is_list(Config) ->
end.
%%--------------------------------------------------------------------
+connect_sock_not_tcp(_Config) ->
+ {ok,Sock} = gen_udp:open(0, []),
+ {error, not_tcp_socket} = ssh:connect(Sock, []),
+ gen_udp:close(Sock).
+
+%%--------------------------------------------------------------------
+daemon_sock_not_tcp(_Config) ->
+ {ok,Sock} = gen_udp:open(0, []),
+ {error, not_tcp_socket} = ssh:daemon(Sock),
+ gen_udp:close(Sock).
+
+%%--------------------------------------------------------------------
+connect_sock_not_passive(_Config) ->
+ {ok,Sock} = gen_tcp:connect("localhost", ?SSH_DEFAULT_PORT, []),
+ {error, not_passive_mode} = ssh:connect(Sock, []),
+ gen_tcp:close(Sock).
+
+%%--------------------------------------------------------------------
+daemon_sock_not_passive(_Config) ->
+ {ok,Sock} = gen_tcp:connect("localhost", ?SSH_DEFAULT_PORT, []),
+ {error, not_passive_mode} = ssh:daemon(Sock),
+ gen_tcp:close(Sock).
+
+%%--------------------------------------------------------------------
small_cat() ->
[{doc, "Use 'cat' to echo small data block back to us."}].
@@ -314,58 +362,106 @@ ptty_alloc_pixel(Config) when is_list(Config) ->
ssh:close(ConnectionRef).
%%--------------------------------------------------------------------
-
-interrupted_send() ->
- [{doc, "Use a subsystem that echos n char and then sends eof to cause a channel exit partway through a large send."}].
-
-interrupted_send(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+small_interrupted_send(Config) ->
+ K = 1024,
+ M = K*K,
+ do_interrupted_send(Config, 10*M, 4*K).
+interrupted_send(Config) ->
+ M = 1024*1024,
+ do_interrupted_send(Config, 10*M, 4*M).
+
+do_interrupted_send(Config, SendSize, EchoSize) ->
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
+ EchoSS_spec = {ssh_echo_server, [EchoSize,[{dbg,true}]]},
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
- {subsystems, [{"echo_n", {ssh_echo_server, [4000000]}}]}]),
-
+ {subsystems, [{"echo_n",EchoSS_spec}]}]),
+
+ ct:log("connect", []),
ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
{user, "foo"},
{password, "morot"},
{user_interaction, false},
{user_dir, UserDir}]),
-
- {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
-
- success = ssh_connection:subsystem(ConnectionRef, ChannelId, "echo_n", infinity),
-
- %% build 10MB binary
- Data = << <<X:32>> || X <- lists:seq(1,2500000)>>,
-
- %% expect remote end to send us 4MB back
- <<ExpectedData:4000000/binary, _/binary>> = Data,
-
- %% pre-adjust receive window so the other end doesn't block
- ssh_connection:adjust_window(ConnectionRef, ChannelId, size(ExpectedData) + 1),
-
- case ssh_connection:send(ConnectionRef, ChannelId, Data, 10000) of
- {error, closed} ->
- ok;
- Msg ->
- ct:fail({expected,{error,closed}, got, Msg})
- end,
- receive_data(ExpectedData, ConnectionRef, ChannelId),
- ssh:close(ConnectionRef),
- ssh:stop_daemon(Pid).
+ ct:log("connected", []),
+
+ %% build big binary
+ Data = << <<X:32>> || X <- lists:seq(1,SendSize div 4)>>,
+
+ %% expect remote end to send us EchoSize back
+ <<ExpectedData:EchoSize/binary, _/binary>> = Data,
+
+ %% Spawn listener. Otherwise we could get a deadlock due to filled buffers
+ Parent = self(),
+ ResultPid = spawn(
+ fun() ->
+ ct:log("open channel",[]),
+ {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
+ ct:log("start subsystem", []),
+ case ssh_connection:subsystem(ConnectionRef, ChannelId, "echo_n", infinity) of
+ success ->
+ Parent ! {self(), channelId, ChannelId},
+
+ Result =
+ try collect_data(ConnectionRef, ChannelId)
+ of
+ ExpectedData ->
+ ok;
+ _ ->
+ {fail,"unexpected result"}
+ catch
+ Class:Exception ->
+ {fail, io_lib:format("Exception ~p:~p",[Class,Exception])}
+ end,
+ Parent ! {self(), Result};
+ Other ->
+ Parent ! {self(), channelId, error, Other}
+ end
+ end),
+
+ receive
+ {ResultPid, channelId, ChannelId} ->
+ %% pre-adjust receive window so the other end doesn't block
+ ct:log("adjust window", []),
+ ssh_connection:adjust_window(ConnectionRef, ChannelId, size(ExpectedData) + 1),
+
+ ct:log("going to send ~p bytes", [size(Data)]),
+ case ssh_connection:send(ConnectionRef, ChannelId, Data, 30000) of
+ {error, closed} ->
+ ct:log("{error,closed} - That's what we expect :)", []),
+ ok;
+ Msg ->
+ ct:log("Got ~p - that's bad, very bad indeed",[Msg]),
+ ct:fail({expected,{error,closed}, got, Msg})
+ end,
+ ct:log("going to check the result (if it is available)", []),
+ receive
+ {ResultPid, Result} ->
+ ct:log("Got result: ~p", [Result]),
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ Result
+ end;
+
+ {ResultPid, channelId, error, Other} ->
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ {fail, io_lib:format("ssh_connection:subsystem: ~p",[Other])}
+ end.
%%--------------------------------------------------------------------
start_shell() ->
[{doc, "Start a shell"}].
start_shell(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
@@ -394,10 +490,10 @@ start_shell_exec() ->
[{doc, "start shell to exec command"}].
start_shell_exec(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
@@ -428,10 +524,10 @@ start_shell_exec_fun() ->
[{doc, "start shell to exec command"}].
start_shell_exec_fun(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
@@ -459,12 +555,85 @@ start_shell_exec_fun(Config) when is_list(Config) ->
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+start_shell_sock_exec_fun() ->
+ [{doc, "start shell on tcp-socket to exec command"}].
+
+start_shell_sock_exec_fun(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = proplists:get_value(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {exec, fun ssh_exec/1}]),
+
+ {ok, Sock} = gen_tcp:connect(Host, Port, [{active,false}]),
+ {ok,ConnectionRef} = ssh:connect(Sock, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}]),
+
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+ success = ssh_connection:exec(ConnectionRef, ChannelId0,
+ "testing", infinity),
+
+ receive
+ {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"testing\r\n">>}} ->
+ ok
+ after 5000 ->
+ ct:fail("Exec Timeout")
+ end,
+
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid).
+
+%%--------------------------------------------------------------------
+start_shell_sock_daemon_exec(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = proplists:get_value(data_dir, Config),
+
+ {ok,Sl} = gen_tcp:listen(0, [{active,false}]),
+ {ok,{_IP,Port}} = inet:sockname(Sl), % _IP is likely to be {0,0,0,0}. Win don't like...
+
+ spawn_link(fun() ->
+ {ok,Ss} = gen_tcp:connect("localhost", Port, [{active,false}]),
+ {ok, _Pid} = ssh:daemon(Ss, [{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {exec, fun ssh_exec/1}])
+ end),
+ {ok,Sc} = gen_tcp:accept(Sl),
+ {ok,ConnectionRef} = ssh:connect(Sc, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}]),
+
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+
+ success = ssh_connection:exec(ConnectionRef, ChannelId0,
+ "testing", infinity),
+
+ receive
+ {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"testing\r\n">>}} ->
+ ok
+ after 5000 ->
+ ct:fail("Exec Timeout")
+ end,
+
+ ssh:close(ConnectionRef).
+
+%%--------------------------------------------------------------------
gracefull_invalid_version(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
@@ -484,10 +653,10 @@ gracefull_invalid_version(Config) when is_list(Config) ->
end.
gracefull_invalid_start(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"}]),
@@ -506,10 +675,10 @@ gracefull_invalid_start(Config) when is_list(Config) ->
end.
gracefull_invalid_long_start(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"}]),
@@ -529,10 +698,10 @@ gracefull_invalid_long_start(Config) when is_list(Config) ->
gracefull_invalid_long_start_no_nl(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"}]),
@@ -554,10 +723,10 @@ stop_listener() ->
[{doc, "start ssh daemon, setup connections, stop listener, restart listner"}].
stop_listener(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid0, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
@@ -613,10 +782,10 @@ stop_listener(Config) when is_list(Config) ->
end.
start_subsystem_on_closed_channel(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
@@ -642,10 +811,10 @@ max_channels_option() ->
[{doc, "Test max_channels option"}].
max_channels_option(Config) when is_list(Config) ->
- PrivDir = ?config(priv_dir, Config),
+ PrivDir = proplists:get_value(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),
+ SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
{password, "morot"},
@@ -659,15 +828,21 @@ max_channels_option(Config) when is_list(Config) ->
{user_interaction, true},
{user_dir, UserDir}]),
+ %% Allocate a number of ChannelId:s to play with. (This operation is not
+ %% counted by the max_channel option).
{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),
+ {ok, ChannelId6} = ssh_connection:session_channel(ConnectionRef, infinity),
+ {ok, _ChannelId7} = ssh_connection:session_channel(ConnectionRef, infinity),
- %%%---- shell
+ %% Now start to open the channels (this is counted my max_channels) to check that
+ %% it gives a failure at right place
+
+ %%%---- Channel 1(3): shell
ok = ssh_connection:shell(ConnectionRef,ChannelId0),
receive
{ssh_cm,ConnectionRef, {data, ChannelId0, 0, <<"Eshell",_/binary>>}} ->
@@ -676,10 +851,10 @@ max_channels_option(Config) when is_list(Config) ->
ct:fail("CLI Timeout")
end,
- %%%---- subsystem "echo_n"
+ %%%---- Channel 2(3): subsystem "echo_n"
success = ssh_connection:subsystem(ConnectionRef, ChannelId1, "echo_n", infinity),
- %%%---- exec #1
+ %%%---- Channel 3(3): exec. This closes itself.
success = ssh_connection:exec(ConnectionRef, ChannelId2, "testing1.\n", infinity),
receive
{ssh_cm, ConnectionRef, {data, ChannelId2, 0, <<"testing1",_/binary>>}} ->
@@ -688,13 +863,13 @@ max_channels_option(Config) when is_list(Config) ->
ct:fail("Exec #1 Timeout")
end,
- %%%---- ptty
- success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId3, []),
+ %%%---- Channel 3(3): subsystem "echo_n" (Note that ChannelId2 should be closed now)
+ ?wait_match(success, ssh_connection:subsystem(ConnectionRef, ChannelId3, "echo_n", infinity)),
- %%%---- exec #2
+ %%%---- Channel 4(3) !: exec This should fail
failure = ssh_connection:exec(ConnectionRef, ChannelId4, "testing2.\n", infinity),
- %%%---- close the shell
+ %%%---- close the shell (Frees one channel)
ok = ssh_connection:send(ConnectionRef, ChannelId0, "exit().\n", 5000),
%%%---- wait for the subsystem to terminate
@@ -707,14 +882,11 @@ max_channels_option(Config) when is_list(Config) ->
ct:fail("exit Timeout",[])
end,
- %%%---- 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,
+ %%---- Try that we can open one channel instead of the closed one
+ ?wait_match(success, ssh_connection:subsystem(ConnectionRef, ChannelId5, "echo_n", infinity)),
+
+ %%---- But not a fourth one...
+ failure = ssh_connection:subsystem(ConnectionRef, ChannelId6, "echo_n", infinity),
ssh:close(ConnectionRef),
ssh:stop_daemon(Pid).
@@ -737,20 +909,36 @@ big_cat_rx(ConnectionRef, ChannelId, Acc) ->
timeout
end.
-receive_data(ExpectedData, ConnectionRef, ChannelId) ->
- ExpectedData = collect_data(ConnectionRef, ChannelId).
-
collect_data(ConnectionRef, ChannelId) ->
- collect_data(ConnectionRef, ChannelId, []).
+ ct:log("Listener ~p running! ConnectionRef=~p, ChannelId=~p",[self(),ConnectionRef,ChannelId]),
+ collect_data(ConnectionRef, ChannelId, [], 0).
-collect_data(ConnectionRef, ChannelId, Acc) ->
+collect_data(ConnectionRef, ChannelId, Acc, Sum) ->
+ TO = 5000,
receive
- {ssh_cm, ConnectionRef, {data, ChannelId, 0, Data}} ->
- collect_data(ConnectionRef, ChannelId, [Data | Acc]);
+ {ssh_cm, ConnectionRef, {data, ChannelId, 0, Data}} when is_binary(Data) ->
+ ct:log("collect_data: received ~p bytes. total ~p bytes",[size(Data),Sum+size(Data)]),
+ collect_data(ConnectionRef, ChannelId, [Data | Acc], Sum+size(Data));
{ssh_cm, ConnectionRef, {eof, ChannelId}} ->
- iolist_to_binary(lists:reverse(Acc))
- after 5000 ->
- timeout
+ try
+ iolist_to_binary(lists:reverse(Acc))
+ of
+ Bin ->
+ ct:log("collect_data: received eof.~nGot in total ~p bytes",[size(Bin)]),
+ Bin
+ catch
+ C:E ->
+ ct:log("collect_data: received eof.~nAcc is strange...~nException=~p:~p~nAcc=~p",
+ [C,E,Acc]),
+ {error,{C,E}}
+ end;
+ Msg ->
+ ct:log("collect_data: ***** unexpected message *****~n~p",[Msg]),
+ collect_data(ConnectionRef, ChannelId, Acc, Sum)
+
+ after TO ->
+ ct:log("collect_data: ----- Nothing received for ~p seconds -----~n",[]),
+ collect_data(ConnectionRef, ChannelId, Acc, Sum)
end.
%%%-------------------------------------------------------------------