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authorPeter Andersson <peppe@erlang.org>2016-04-27 15:58:52 +0200
committerPeter Andersson <peppe@erlang.org>2016-04-28 15:04:29 +0200
commitd3143f2ff33cd957ea90f59344f42d3b066f3c0c (patch)
tree010a9402b44ecae7dce2bd591d521494a709f6b4 /lib/common_test/src/ct_telnet.erl
parent523e048754f5086a6cc4fd9a250e1b495fc5b9b8 (diff)
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Make the nodelay setting configurable and false per default
Diffstat (limited to 'lib/common_test/src/ct_telnet.erl')
-rw-r--r--lib/common_test/src/ct_telnet.erl46
1 files changed, 36 insertions, 10 deletions
diff --git a/lib/common_test/src/ct_telnet.erl b/lib/common_test/src/ct_telnet.erl
index 4d3fd2d094..cdc08fd9d4 100644
--- a/lib/common_test/src/ct_telnet.erl
+++ b/lib/common_test/src/ct_telnet.erl
@@ -42,7 +42,8 @@
%% {reconnection_interval,Millisec},
%% {keep_alive,Bool},
%% {poll_limit,N},
-%% {poll_interval,Millisec}]}.</pre>
+%% {poll_interval,Millisec},
+%% {tcp_nodelay,Bool]}.</pre>
%% <p><code>Millisec = integer(), N = integer()</code></p>
%% <p>Enter the <code>telnet_settings</code> term in a configuration
%% file included in the test and ct_telnet will retrieve the information
@@ -182,7 +183,8 @@
conn_to=?DEFAULT_TIMEOUT,
com_to=?DEFAULT_TIMEOUT,
reconns=?RECONNS,
- reconn_int=?RECONN_TIMEOUT}).
+ reconn_int=?RECONN_TIMEOUT,
+ tcp_nodelay=false}).
%%%-----------------------------------------------------------------
%%% @spec open(Name) -> {ok,Handle} | {error,Reason}
@@ -602,8 +604,18 @@ init(Name,{Ip,Port,Type},{TargetMod,KeepAlive,Extra}) ->
Settings ->
set_telnet_defaults(Settings,#state{})
end,
- case catch TargetMod:connect(Name,Ip,Port,S0#state.conn_to,
- KeepAlive,Extra) of
+ %% Handle old user versions of TargetMod
+ code:ensure_loaded(TargetMod),
+ try
+ case erlang:function_exported(TargetMod,connect,7) of
+ true ->
+ TargetMod:connect(Name,Ip,Port,S0#state.conn_to,
+ KeepAlive,S0#state.tcp_nodelay,Extra);
+ false ->
+ TargetMod:connect(Name,Ip,Port,S0#state.conn_to,
+ KeepAlive,Extra)
+ end
+ of
{ok,TelnPid} ->
put({ct_telnet_pid2name,TelnPid},Name),
S1 = S0#state{host=Ip,
@@ -625,15 +637,18 @@ init(Name,{Ip,Port,Type},{TargetMod,KeepAlive,Extra}) ->
"Connection timeout: ~p\n"
"Keep alive: ~w\n"
"Poll limit: ~w\n"
- "Poll interval: ~w",
+ "Poll interval: ~w\n"
+ "TCP nodelay: ~w",
[Ip,Port,S1#state.com_to,S1#state.reconns,
S1#state.reconn_int,S1#state.conn_to,KeepAlive,
- S1#state.poll_limit,S1#state.poll_interval]),
+ S1#state.poll_limit,S1#state.poll_interval,
+ S1#state.tcp_nodelay]),
{ok,TelnPid,S1};
- {'EXIT',Reason} ->
- {error,Reason};
Error ->
Error
+ catch
+ _:Reason ->
+ {error,Reason}
end.
type(telnet) -> ip;
@@ -653,6 +668,8 @@ set_telnet_defaults([{poll_limit,PL}|Ss],S) ->
set_telnet_defaults(Ss,S#state{poll_limit=PL});
set_telnet_defaults([{poll_interval,PI}|Ss],S) ->
set_telnet_defaults(Ss,S#state{poll_interval=PI});
+set_telnet_defaults([{tcp_nodelay,NoDelay}|Ss],S) ->
+ set_telnet_defaults(Ss,S#state{tcp_nodelay=NoDelay});
set_telnet_defaults([Unknown|Ss],S) ->
force_log(S,error,
"Bad element in telnet_settings: ~p",[Unknown]),
@@ -794,8 +811,17 @@ reconnect(Ip,Port,N,State=#state{name=Name,
keep_alive=KeepAlive,
extra=Extra,
conn_to=ConnTo,
- reconn_int=ReconnInt}) ->
- case TargetMod:connect(Name,Ip,Port,ConnTo,KeepAlive,Extra) of
+ reconn_int=ReconnInt,
+ tcp_nodelay=NoDelay}) ->
+ %% Handle old user versions of TargetMod
+ ConnResult =
+ case erlang:function_exported(TargetMod,connect,7) of
+ true ->
+ TargetMod:connect(Name,Ip,Port,ConnTo,KeepAlive,NoDelay,Extra);
+ false ->
+ TargetMod:connect(Name,Ip,Port,ConnTo,KeepAlive,Extra)
+ end,
+ case ConnResult of
{ok,NewPid} ->
put({ct_telnet_pid2name,NewPid},Name),
{ok, NewPid, State#state{teln_pid=NewPid}};