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-rw-r--r--lib/common_test/test/ct_telnet_SUITE.erl34
-rw-r--r--lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl33
-rw-r--r--lib/common_test/test/telnet_server.erl85
3 files changed, 109 insertions, 43 deletions
diff --git a/lib/common_test/test/ct_telnet_SUITE.erl b/lib/common_test/test/ct_telnet_SUITE.erl
index 8163009409..f5cff76fd1 100644
--- a/lib/common_test/test/ct_telnet_SUITE.erl
+++ b/lib/common_test/test/ct_telnet_SUITE.erl
@@ -72,21 +72,32 @@ init_per_suite(Config) ->
end_per_suite(Config) ->
ct_test_support:end_per_suite(Config).
-init_per_testcase(TestCase, Config) when TestCase=/=unix_telnet->
+init_per_testcase(TestCase, Config) when TestCase /= unix_telnet ->
ct:pal("Testcase ~p starting!", [TestCase]),
TS = telnet_server:start([{port,?erl_telnet_server_port},
{users,[{?erl_telnet_server_user,
?erl_telnet_server_pwd}]}]),
ct_test_support:init_per_testcase(TestCase, [{telnet_server,TS}|Config]);
init_per_testcase(TestCase, Config) ->
- ct:pal("Testcase ~p starting!", [TestCase]),
- ct_test_support:init_per_testcase(TestCase, Config).
-
+ ct:pal("Testcase ~p starting. Checking connection to telnet server...",
+ [TestCase]),
+ ct:require(testconn, {unix,[telnet]}),
+ case {os:type(),ct_telnet:open(testconn)} of
+ {_,{ok,Handle}} ->
+ ok = ct_telnet:close(Handle),
+ ct:pal("Connection ok, starting tests!", []),
+ ct_test_support:init_per_testcase(TestCase, Config);
+ {{unix,_},{error,Reason}} ->
+ ct:fail("No connection to telnet server! Reason: ~tp", [Reason]);
+ {_,{error,Reason}} ->
+ {skip,{no_access_to_telnet_server,Reason}}
+ end.
+
+end_per_testcase(TestCase, Config) when TestCase /= unix_telnet ->
+ ct:pal("Stopping the telnet_server now!", []),
+ telnet_server:stop(?config(telnet_server,Config)),
+ ct_test_support:end_per_testcase(TestCase, Config);
end_per_testcase(TestCase, Config) ->
- case ?config(telnet_server,Config) of
- undefined -> ok;
- TS -> telnet_server:stop(TS)
- end,
ct_test_support:end_per_testcase(TestCase, Config).
@@ -181,7 +192,12 @@ telnet_config(_, LogType) ->
{port, ?erl_telnet_server_port},
{username,?erl_telnet_server_user},
{password,?erl_telnet_server_pwd},
- {keep_alive,true}]} |
+ {keep_alive,true}]},
+ {telnet_settings, [{connect_timeout,10000},
+ {command_timeout,10000},
+ {reconnection_attempts,0},
+ {reconnection_interval,0},
+ {keep_alive,true}]} |
if LogType == legacy ->
[{ct_conn_log,[]}];
true ->
diff --git a/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl b/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl
index 0277dc2a44..394d64c2ed 100644
--- a/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl
+++ b/lib/common_test/test/ct_telnet_SUITE_data/ct_telnet_own_server_SUITE.erl
@@ -29,7 +29,8 @@ all() ->
ignore_prompt_repeat,
ignore_prompt_sequence,
ignore_prompt_timeout,
- server_speaks].
+ server_speaks,
+ server_disconnects].
groups() ->
[].
@@ -190,18 +191,36 @@ no_prompt_check_timeout(_) ->
ok = ct_telnet:close(Handle),
ok.
-%% Let the server say things, to make sure it gets printed correctly
-%% in the general IO log
+%% The server says things. Manually check that it gets printed correctly
+%% in the general IO log.
server_speaks(_) ->
{ok, Handle} = ct_telnet:open(telnet_server_conn1),
- ok = ct_telnet:send(Handle, "echo This is the first message"),
- ok = ct_telnet:send(Handle, "echo This is the second message"),
+ ok = ct_telnet:send(Handle, "echo_no_prompt This is the first message\r\n"),
+ ok = ct_telnet:send(Handle, "echo_no_prompt This is the second message\r\n"),
%% let ct_telnet_client get an idle timeout
timer:sleep(15000),
- ok = ct_telnet:send(Handle, "echo This is the third message"),
+ ok = ct_telnet:send(Handle, "echo_no_prompt This is the third message\r\n"),
{ok,_} = ct_telnet:expect(Handle, ["the"], [no_prompt_check]),
{error,timeout} = ct_telnet:expect(Handle, ["the"], [no_prompt_check,
{timeout,1000}]),
- ok = ct_telnet:send(Handle, "echo This is the fourth message"),
+ ok = ct_telnet:send(Handle, "echo_no_prompt This is the fourth message\r\n"),
+ %% give the server time to respond
+ timer:sleep(2000),
+ %% closing the connection should print last message in log
ok = ct_telnet:close(Handle),
ok.
+
+%% Let the server close the connection. Make sure buffered data gets printed
+%% to the general IO log.
+server_disconnects(_) ->
+ {ok, Handle} = ct_telnet:open(telnet_server_conn1),
+ ok = ct_telnet:send(Handle, "disconnect_after 1500"),
+ %% wait until the get_data operation (triggered by send/2) times out
+ %% before sending the msg
+ timer:sleep(500),
+ ok = ct_telnet:send(Handle, "echo_no_prompt This is the message\r\n"),
+ %% when the server closes the connection, the last message should be
+ %% printed in the log
+ timer:sleep(3000),
+ _ = ct_telnet:close(Handle),
+ ok.
diff --git a/lib/common_test/test/telnet_server.erl b/lib/common_test/test/telnet_server.erl
index eb90f18320..3b0c3cbcb5 100644
--- a/lib/common_test/test/telnet_server.erl
+++ b/lib/common_test/test/telnet_server.erl
@@ -51,32 +51,51 @@ stop(Pid) ->
init(Opts) ->
Port = proplists:get_value(port,Opts),
Users = proplists:get_value(users,Opts,[]),
- {ok, LSock} = gen_tcp:listen(Port, [list, {packet, 0},
- {active, true}]),
+ {ok, LSock} = listen(5, Port, [list, {packet, 0},
+ {active, true},
+ {reuseaddr,true}]),
State = #state{listen=LSock,users=Users},
accept(State),
- ok = gen_tcp:close(LSock).
+ ok = gen_tcp:close(LSock),
+ dbg("telnet_server closed the listen socket ~p\n", [LSock]),
+ timer:sleep(1000),
+ ok.
+
+listen(0, _Port, _Opts) ->
+ {error,eaddrinuse};
+listen(Retries, Port, Opts) ->
+ case gen_tcp:listen(Port, Opts) of
+ {error,eaddrinuse} ->
+ dbg("Listen port not released, trying again..."),
+ timer:sleep(5000),
+ listen(Retries-1, Port, Opts);
+ Ok = {ok,_LSock} ->
+ Ok;
+ Error ->
+ exit(Error)
+ end.
accept(#state{listen=LSock}=State) ->
Server = self(),
Acceptor = spawn_link(fun() -> do_accept(LSock,Server) end),
receive
{Acceptor,Sock} when is_port(Sock) ->
+ dbg("Connected to client on socket ~p\n", [Sock]),
case init_client(State#state{client=Sock}) of
stopped ->
- io:format("[telnet_server] telnet_server stopped\n"),
+ dbg("telnet_server stopped\n"),
ok;
R ->
- io:format("[telnet_server] connection to client "
- "closed with reason ~p~n",[R]),
+ dbg("Connection to client "
+ "closed with reason ~p~n",[R]),
accept(State)
end;
{Acceptor,closed} ->
- io:format("[telnet_server] listen socket closed unexpectedly, "
- "terminating telnet_server\n"),
+ dbg("Listen socket closed unexpectedly, "
+ "terminating telnet_server\n"),
ok;
stop ->
- io:format("[telnet_server] telnet_server stopped\n"),
+ dbg("telnet_server stopped\n"),
ok
end.
@@ -109,7 +128,9 @@ loop(State, N) ->
{tcp,_,Data} ->
try handle_data(Data,State) of
{ok,State1} ->
- loop(State1, N)
+ loop(State1, N);
+ closed ->
+ closed
catch
throw:Error ->
Error
@@ -118,16 +139,13 @@ loop(State, N) ->
closed;
{tcp_error,_,Error} ->
{error,tcp,Error};
+ disconnect ->
+ Sock = State#state.client,
+ dbg("Server closing connection on socket ~p~n", [Sock]),
+ ok = gen_tcp:close(Sock),
+ closed;
stop ->
stopped
- after
- 500 ->
- Report = lists:flatten(
- io_lib:format("The CT Telnet Server says: "
- "Iteration no ~w\r\n", [N])),
- dbg("Server sending: ~s~n", [Report]),
- gen_tcp:send(State#state.client, Report),
- loop(State, N+1)
end.
handle_data([?IAC|Cmd],State) ->
@@ -138,10 +156,16 @@ handle_data(Data,State) ->
case get_line(Data,[]) of
{Line,Rest} ->
WholeLine = lists:flatten(lists:reverse(State#state.buffer,Line)),
- {ok,State1} = do_handle_data(WholeLine,State),
- case Rest of
- [] -> {ok,State1};
- _ -> handle_data(Rest,State1)
+ case do_handle_data(WholeLine,State) of
+ {ok,State1} ->
+ case Rest of
+ [] -> {ok,State1};
+ _ -> handle_data(Rest,State1)
+ end;
+ {close,State1} ->
+ dbg("Server closing connection~n",[]),
+ gen_tcp:close(State1#state.client),
+ closed
end;
false ->
{ok,State#state{buffer=[Data|State#state.buffer]}}
@@ -171,22 +195,29 @@ do_handle_data(Data,#state{authorized=false}=State) ->
check_user(Data,State);
do_handle_data(Data,#state{authorized={user,_}}=State) ->
check_pwd(Data,State);
-do_handle_data("echo "++ Data,State) ->
+do_handle_data("echo " ++ Data,State) ->
send(Data++"\r\n> ",State),
{ok,State};
-do_handle_data("echo_no_prompt "++ Data,State) ->
+do_handle_data("echo_no_prompt " ++ Data,State) ->
send(Data,State),
{ok,State};
-do_handle_data("echo_ml "++ Data,State) ->
+do_handle_data("echo_ml " ++ Data,State) ->
Lines = string:tokens(Data," "),
ReturnData = string:join(Lines,"\n"),
send(ReturnData++"\r\n> ",State),
{ok,State};
-do_handle_data("echo_ml_no_prompt "++ Data,State) ->
+do_handle_data("echo_ml_no_prompt " ++ Data,State) ->
Lines = string:tokens(Data," "),
ReturnData = string:join(Lines,"\n"),
send(ReturnData,State),
{ok,State};
+do_handle_data("disconnect_after " ++WaitStr,State) ->
+ Wait = list_to_integer(string:strip(WaitStr,right,$\n)),
+ dbg("Server will close connection in ~w ms...", [Wait]),
+ erlang:send_after(Wait,self(),disconnect),
+ {ok,State};
+do_handle_data("disconnect" ++_,State) ->
+ {close,State};
do_handle_data([],State) ->
send("> ",State),
{ok,State};
@@ -234,4 +265,4 @@ get_line([],_) ->
dbg(_F) ->
dbg(_F,[]).
dbg(_F,_A) ->
- io:format("[telnet_server] "++_F,_A).
+ io:format("[telnet_server] " ++ _F,_A).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 05:27:32 +0000