diff options
Diffstat (limited to 'lib/common_test/src/ct_telnet.erl')
| -rw-r--r-- | lib/common_test/src/ct_telnet.erl | 128 |
1 files changed, 63 insertions, 65 deletions
diff --git a/lib/common_test/src/ct_telnet.erl b/lib/common_test/src/ct_telnet.erl index bc22a99741..c9dc2338cd 100644 --- a/lib/common_test/src/ct_telnet.erl +++ b/lib/common_test/src/ct_telnet.erl @@ -46,100 +46,80 @@ %% %% == Logging == %% -%% `ct_telnet' can be configured to uses the `error_logger' for logging telnet -%% traffic. A special purpose error handler is implemented in -%% `ct_conn_log_h'. To use this error handler, add the `cth_conn_log' -%% hook in your test suite, e.g: -%% +%% The default logging behaviour of `ct_telnet' is to print information +%% to the test case HTML log about performed operations and commands +%% and their corresponding results. What won't be printed to the HTML log +%% are text strings sent from the telnet server that are not explicitly +%% received by means of a `ct_telnet' function such as `expect/3'. +%% `ct_telnet' may however be configured to use a special purpose event handler, +%% implemented in `ct_conn_log_h', for logging <b>all</b> telnet traffic. +%% To use this handler, you need to install a Common Test hook named +%% `cth_conn_log'. Example (using the test suite info function): %% %% ``` %% suite() -> -%% [{ct_hooks, [{cth_conn_log, [{conn_mod(),hook_options()}]}]}]. -%%''' +%% [{ct_hooks, [{cth_conn_log, [{conn_mod(),hook_options()}]}]}]. +%% ''' %% %% `conn_mod()' is the name of the common_test module implementing %% the connection protocol, i.e. `ct_telnet'. %% -%% The hook option `log_type' specifies the type of logging: -%% -%% <dl> -%% <dt>`raw'</dt> -%% <dd>The sent and received telnet data is logged to a separate -%% text file as is, without any formatting. A link to the file is -%% added to the test case HTML log.</dd> +%% The `cth_conn_log' hook performs unformatted logging of telnet data to +%% a separate text file. All telnet communication is captured and printed, +%% including arbitrary data sent from the server. The link to this text file +%% can be found on the top of the test case HTML log. %% -%% <dt>`html (default)'</dt> -%% <dd>The sent and received telnet traffic is pretty printed -%% directly in the test case HTML log.</dd> -%% -%% <dt>`silent'</dt> -%% <dd>Telnet traffic is not logged.</dd> -%% </dl> -%% -%% By default, all telnet traffic is logged in one single log -%% file. However, it is possible to have different connections logged -%% in separate files. To do this, use the hook option `hosts' and -%% list the names of the servers/connections that will be used in the -%% suite. Note that the connections must be named for this to work +%% By default, data for all telnet connections is logged in one common +%% file (named `default'), which might get messy e.g. if multiple telnet +%% sessions are running in parallel. It is therefore possible to create a +%% separate log file for each connection. To configure this, use the hook +%% option `hosts' and list the names of the servers/connections that will be +%% used in the suite. Note that the connections must be named for this to work %% (see the `open' function below). %% -%% The `hosts' option has no effect if `log_type' is set to `html' or -%% `silent'. +%% The hook option named `log_type' may be used to change the `cth_conn_log' +%% behaviour. The default value of this option is `raw', which results in the +%% behaviour described above. If the value is set to `html', all telnet +%% communication is printed to the test case HTML log instead. %% -%% The hook options can also be specified in a configuration file with -%% the configuration variable `ct_conn_log': +%% All `cth_conn_log' hook options described above can also be specified in +%% a configuration file with the configuration variable `ct_conn_log'. Example: %% %% ``` -%% {ct_conn_log,[{conn_mod(),hook_options()}]}. -%% ''' -%% -%% For example: -%% -%% ``` -%% {ct_conn_log,[{ct_telnet,[{log_type,raw}, -%% {hosts,[key_or_name()]}]}]} +%% {ct_conn_log, [{ct_telnet,[{log_type,raw}, +%% {hosts,[key_or_name()]}]}]} %% ''' %% %% <b>Note</b> that hook options specified in a configuration file -%% will overwrite any hardcoded hook options in the test suite. +%% will overwrite any hardcoded hook options in the test suite! %% -%% === Logging example 1 === +%% === Logging example === %% -%% The following `ct_hooks' statement will cause raw printing of -%% telnet traffic to separate logs for the connections named -%% `server1' and `server2'. Any other connections will be logged -%% to default telnet log. +%% The following `ct_hooks' statement will cause printing of telnet traffic +%% to separate logs for the connections named `server1' and `server2'. +%% Traffic for any other connections will be logged in the default telnet log. %% %% ``` %% suite() -> -%% [{ct_hooks, [{cth_conn_log, [{ct_telnet,[{log_type,raw}}, -%% {hosts,[server1,server2]}]} -%% ]}]}]. +%% [{ct_hooks, +%% [{cth_conn_log, [{ct_telnet,[{hosts,[server1,server2]}]}]}]}]. %%''' %% -%% === Logging example 2 === -%% -%% The following configuration file will cause raw logging of all -%% telnet traffic into one single text file. +%% As previously explained, the above specification could also be provided +%% by means of an entry like this in a configuration file: %% %% ``` -%% {ct_conn_log,[{ct_telnet,[{log_type,raw}]}]}. +%% {ct_conn_log, [{ct_telnet,[{hosts,[server1,server2]}]}]}. %% ''' %% -%% The `ct_hooks' statement must look like this: +%% in which case the `ct_hooks' statement in the test suite may simply look +%% like this: %% %% ``` %% suite() -> -%% [{ct_hooks, [{cth_conn_log, []}]}]. +%% [{ct_hooks, [{cth_conn_log, []}]}]. %% ''' %% -%% The same `ct_hooks' statement without the configuration file would -%% cause HTML logging of all telnet connections into the test case -%% HTML log. -%% -%% <b>Note</b> that if the `cth_conn_log' hook is not added, telnet -%% traffic is still logged in the test case HTML log file (on the legacy -%% `ct_telnet' format). %% @end %% @type connection_type() = telnet | ts1 | ts2 @@ -205,6 +185,7 @@ open(Name) -> %%% Name = target_name() %%% ConnType = ct_telnet:connection_type() %%% Handle = ct_telnet:handle() +%%% Reason = term() %%% %%% @doc Open a telnet connection to the specified target host. open(Name,ConnType) -> @@ -234,6 +215,7 @@ open(KeyOrName,ConnType,TargetMod) -> %%% TargetMod = atom() %%% Extra = term() %%% Handle = handle() +%%% Reason = term() %%% %%% @doc Open a telnet connection to the specified target host. %%% @@ -295,7 +277,8 @@ open(KeyOrName,ConnType,TargetMod,Extra) -> %%%----------------------------------------------------------------- %%% @spec close(Connection) -> ok | {error,Reason} -%%% Connection = ct_telnet:connection() +%%% Connection = ct_telnet:connection() +%%% Reason = term() %%% %%% @doc Close the telnet connection and stop the process managing it. %%% @@ -330,6 +313,7 @@ cmd(Connection,Cmd) -> %%% Cmd = string() %%% Timeout = integer() %%% Data = [string()] +%%% Reason = term() %%% @doc Send a command via telnet and wait for prompt. cmd(Connection,Cmd,Timeout) -> case get_handle(Connection) of @@ -350,6 +334,7 @@ cmdf(Connection,CmdFormat,Args) -> %%% Args = list() %%% Timeout = integer() %%% Data = [string()] +%%% Reason = term() %%% @doc Send a telnet command and wait for prompt %%% (uses a format string and list of arguments to build the command). cmdf(Connection,CmdFormat,Args,Timeout) when is_list(Args) -> @@ -360,6 +345,7 @@ cmdf(Connection,CmdFormat,Args,Timeout) when is_list(Args) -> %%% @spec get_data(Connection) -> {ok,Data} | {error,Reason} %%% Connection = ct_telnet:connection() %%% Data = [string()] +%%% Reason = term() %%% @doc Get all data which has been received by the telnet client %%% since last command was sent. get_data(Connection) -> @@ -374,6 +360,7 @@ get_data(Connection) -> %%% @spec send(Connection,Cmd) -> ok | {error,Reason} %%% Connection = ct_telnet:connection() %%% Cmd = string() +%%% Reason = term() %%% @doc Send a telnet command and return immediately. %%% %%% <p>The resulting output from the command can be read with @@ -391,6 +378,7 @@ send(Connection,Cmd) -> %%% Connection = ct_telnet:connection() %%% CmdFormat = string() %%% Args = list() +%%% Reason = term() %%% @doc Send a telnet command and return immediately (uses a format %%% string and a list of arguments to build the command). sendf(Connection,CmdFormat,Args) when is_list(Args) -> @@ -765,8 +753,8 @@ check_if_prompt_was_reached(Data,_) when is_list(Data) -> check_if_prompt_was_reached(_,_) -> false. -%%% @hidden -%% Functions for logging ct_telnet reports and telnet data +%%%----------------------------------------------------------------- +%%% Functions for logging ct_telnet reports and telnet data heading(Action,undefined) -> io_lib:format("~w ~w",[?MODULE,Action]); @@ -776,6 +764,8 @@ heading(Action,Name) -> force_log(State,Action,String,Args) -> log(State,Action,String,Args,true). +%%%----------------------------------------------------------------- +%%% @hidden log(State,Action,String,Args) when is_record(State, state) -> log(State,Action,String,Args,false); log(Name,Action,String,Args) when is_atom(Name) -> @@ -783,6 +773,8 @@ log(Name,Action,String,Args) when is_atom(Name) -> log(TelnPid,Action,String,Args) when is_pid(TelnPid) -> log(#state{teln_pid=TelnPid},Action,String,Args,false). +%%%----------------------------------------------------------------- +%%% @hidden log(undefined,String,Args) -> log(#state{},undefined,String,Args,false); log(Name,String,Args) when is_atom(Name) -> @@ -790,6 +782,8 @@ log(Name,String,Args) when is_atom(Name) -> log(TelnPid,String,Args) when is_pid(TelnPid) -> log(#state{teln_pid=TelnPid},undefined,String,Args). +%%%----------------------------------------------------------------- +%%% @hidden log(#state{name=Name,teln_pid=TelnPid,host=Host,port=Port}, Action,String,Args,ForcePrint) -> Name1 = if Name == undefined -> get({ct_telnet_pid2name,TelnPid}); @@ -839,6 +833,8 @@ log(#state{name=Name,teln_pid=TelnPid,host=Host,port=Port}, end end. +%%%----------------------------------------------------------------- +%%% @hidden start_gen_log(Heading) -> %% check if output is suppressed case ct_util:is_silenced(telnet) of @@ -846,6 +842,8 @@ start_gen_log(Heading) -> false -> ct_gen_conn:start_log(Heading) end. +%%%----------------------------------------------------------------- +%%% @hidden end_gen_log() -> %% check if output is suppressed case ct_util:is_silenced(telnet) of |