diff options
Diffstat (limited to 'lib/common_test/src/ct_telnet.erl')
-rw-r--r-- | lib/common_test/src/ct_telnet.erl | 147 |
1 files changed, 111 insertions, 36 deletions
diff --git a/lib/common_test/src/ct_telnet.erl b/lib/common_test/src/ct_telnet.erl index c9dc2338cd..babe73e575 100644 --- a/lib/common_test/src/ct_telnet.erl +++ b/lib/common_test/src/ct_telnet.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2013. All Rights Reserved. +%% Copyright Ericsson AB 2003-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -141,7 +141,8 @@ -export([open/1, open/2, open/3, open/4, close/1]). -export([cmd/2, cmd/3, cmdf/3, cmdf/4, get_data/1, - send/2, sendf/3, expect/2, expect/3]). + send/2, send/3, sendf/3, sendf/4, + expect/2, expect/3]). %% Callbacks -export([init/3,handle_msg/2,reconnect/2,terminate/2]). @@ -304,42 +305,74 @@ close(Connection) -> %%% Test suite interface %%%----------------------------------------------------------------- %%% @spec cmd(Connection,Cmd) -> {ok,Data} | {error,Reason} -%%% @equiv cmd(Connection,Cmd,DefaultTimeout) +%%% @equiv cmd(Connection,Cmd,[]) cmd(Connection,Cmd) -> - cmd(Connection,Cmd,default). + cmd(Connection,Cmd,[]). %%%----------------------------------------------------------------- -%%% @spec cmd(Connection,Cmd,Timeout) -> {ok,Data} | {error,Reason} +%%% @spec cmd(Connection,Cmd,Opts) -> {ok,Data} | {error,Reason} %%% Connection = ct_telnet:connection() %%% Cmd = string() -%%% Timeout = integer() +%%% Opts = [Opt] +%%% Opt = {timeout,timeout()} | {newline,boolean()} %%% Data = [string()] %%% Reason = term() %%% @doc Send a command via telnet and wait for prompt. -cmd(Connection,Cmd,Timeout) -> - case get_handle(Connection) of - {ok,Pid} -> - call(Pid,{cmd,Cmd,Timeout}); +%%% +%%% This function will by default add a newline to the end of the +%%% given command. If this is not desired, the option +%%% `{newline,false}' can be used. This is necessary, for example, +%%% when sending telnet command sequences (prefixed with the +%%% Interprete As Command, IAC, character). +%%% +%%% The option `timeout' specifies how long the client shall wait for +%%% prompt. If the time expires, the function returns +%%% `{error,timeout}'. See the module description for information +%%% about the default value for the command timeout. +cmd(Connection,Cmd,Opts) when is_list(Opts) -> + case check_cmd_opts(Opts) of + ok -> + case get_handle(Connection) of + {ok,Pid} -> + call(Pid,{cmd,Cmd,Opts}); + Error -> + Error + end; Error -> Error - end. + end; +cmd(Connection,Cmd,Timeout) when is_integer(Timeout); Timeout==default -> + %% This clause is kept for backwards compatibility only + cmd(Connection,Cmd,[{timeout,Timeout}]). + +check_cmd_opts([{timeout,Timeout}|Opts]) when is_integer(Timeout); + Timeout==default -> + check_cmd_opts(Opts); +check_cmd_opts([]) -> + ok; +check_cmd_opts(Opts) -> + check_send_opts(Opts). + %%%----------------------------------------------------------------- %%% @spec cmdf(Connection,CmdFormat,Args) -> {ok,Data} | {error,Reason} -%%% @equiv cmdf(Connection,CmdFormat,Args,DefaultTimeout) +%%% @equiv cmdf(Connection,CmdFormat,Args,[]) cmdf(Connection,CmdFormat,Args) -> - cmdf(Connection,CmdFormat,Args,default). + cmdf(Connection,CmdFormat,Args,[]). %%%----------------------------------------------------------------- -%%% @spec cmdf(Connection,CmdFormat,Args,Timeout) -> {ok,Data} | {error,Reason} +%%% @spec cmdf(Connection,CmdFormat,Args,Opts) -> {ok,Data} | {error,Reason} %%% Connection = ct_telnet:connection() %%% CmdFormat = string() %%% Args = list() -%%% Timeout = integer() +%%% Opts = [Opt] +%%% Opt = {timeout,timeout()} | {newline,boolean()} %%% 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) -> +%%% +%%% See {@link cmd/3} further description. +cmdf(Connection,CmdFormat,Args,Opts) when is_list(Args) -> Cmd = lists:flatten(io_lib:format(CmdFormat,Args)), - cmd(Connection,Cmd,Timeout). + cmd(Connection,Cmd,Opts). %%%----------------------------------------------------------------- %%% @spec get_data(Connection) -> {ok,Data} | {error,Reason} @@ -358,32 +391,67 @@ get_data(Connection) -> %%%----------------------------------------------------------------- %%% @spec send(Connection,Cmd) -> ok | {error,Reason} +%%% @equiv send(Connection,Cmd,[]) +send(Connection,Cmd) -> + send(Connection,Cmd,[]). + +%%%----------------------------------------------------------------- +%%% @spec send(Connection,Cmd,Opts) -> ok | {error,Reason} %%% Connection = ct_telnet:connection() %%% Cmd = string() +%%% Opts = [Opt] +%%% Opt = {newline,boolean()} %%% Reason = term() %%% @doc Send a telnet command and return immediately. %%% +%%% This function will by default add a newline to the end of the +%%% given command. If this is not desired, the option +%%% `{newline,false}' can be used. This is necessary, for example, +%%% when sending telnet command sequences (prefixed with the +%%% Interprete As Command, IAC, character). +%%% %%% <p>The resulting output from the command can be read with %%% <code>get_data/1</code> or <code>expect/2/3</code>.</p> -send(Connection,Cmd) -> - case get_handle(Connection) of - {ok,Pid} -> - call(Pid,{send,Cmd}); +send(Connection,Cmd,Opts) -> + case check_send_opts(Opts) of + ok -> + case get_handle(Connection) of + {ok,Pid} -> + call(Pid,{send,Cmd,Opts}); + Error -> + Error + end; Error -> Error end. +check_send_opts([{newline,Bool}|Opts]) when is_boolean(Bool) -> + check_send_opts(Opts); +check_send_opts([Invalid|_]) -> + {error,{invalid_option,Invalid}}; +check_send_opts([]) -> + ok. + + %%%----------------------------------------------------------------- %%% @spec sendf(Connection,CmdFormat,Args) -> ok | {error,Reason} +%%% @equiv sendf(Connection,CmdFormat,Args,[]) +sendf(Connection,CmdFormat,Args) when is_list(Args) -> + sendf(Connection,CmdFormat,Args,[]). + +%%%----------------------------------------------------------------- +%%% @spec sendf(Connection,CmdFormat,Args,Opts) -> ok | {error,Reason} %%% Connection = ct_telnet:connection() %%% CmdFormat = string() %%% Args = list() +%%% Opts = [Opt] +%%% Opt = {newline,boolean()} %%% 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) -> +sendf(Connection,CmdFormat,Args,Opts) when is_list(Args) -> Cmd = lists:flatten(io_lib:format(CmdFormat,Args)), - send(Connection,Cmd). + send(Connection,Cmd,Opts). %%%----------------------------------------------------------------- %%% @spec expect(Connection,Patterns) -> term() @@ -559,7 +627,7 @@ set_telnet_defaults([],S) -> S. %% @hidden -handle_msg({cmd,Cmd,Timeout},State) -> +handle_msg({cmd,Cmd,Opts},State) -> start_gen_log(heading(cmd,State#state.name)), log(State,cmd,"Cmd: ~p",[Cmd]), @@ -584,11 +652,14 @@ handle_msg({cmd,Cmd,Timeout},State) -> {ip,true} -> ok end, - TO = if Timeout == default -> State#state.com_to; - true -> Timeout + TO = case proplists:get_value(timeout,Opts,default) of + default -> State#state.com_to; + Timeout -> Timeout end, + Newline = proplists:get_value(newline,Opts,true), {Return,NewBuffer,Prompt} = - case teln_cmd(State#state.teln_pid, Cmd, State#state.prx, TO) of + case teln_cmd(State#state.teln_pid, Cmd, State#state.prx, + Newline, TO) of {ok,Data,_PromptType,Rest} -> log(State,recv,"Return: ~p",[{ok,Data}]), {{ok,Data},Rest,true}; @@ -597,16 +668,19 @@ handle_msg({cmd,Cmd,Timeout},State) -> {State#state.name, State#state.type}, State#state.teln_pid, - {cmd,Cmd,TO}}}, + {cmd,Cmd,Opts}}}, log(State,recv,"Return: ~p",[Error]), {Retry,[],false} end, end_gen_log(), {Return,State#state{buffer=NewBuffer,prompt=Prompt}}; -handle_msg({send,Cmd},State) -> +handle_msg({send,Cmd,Opts},State) -> + start_gen_log(heading(send,State#state.name)), log(State,send,"Sending: ~p",[Cmd]), + debug_cont_gen_log("Throwing Buffer:",[]), debug_log_lines(State#state.buffer), + case {State#state.type,State#state.prompt} of {ts,_} -> silent_teln_expect(State#state.name, @@ -625,7 +699,9 @@ handle_msg({send,Cmd},State) -> {ip,true} -> ok end, - ct_telnet_client:send_data(State#state.teln_pid,Cmd), + Newline = proplists:get_value(newline,Opts,true), + ct_telnet_client:send_data(State#state.teln_pid,Cmd,Newline), + end_gen_log(), {ok,State#state{buffer=[],prompt=false}}; handle_msg(get_data,State) -> start_gen_log(heading(get_data,State#state.name)), @@ -864,19 +940,18 @@ format_data(_How,{String,Args}) -> %%%================================================================= %%% Abstraction layer on top of ct_telnet_client.erl -teln_cmd(Pid,Cmd,Prx,Timeout) -> - ct_telnet_client:send_data(Pid,Cmd), +teln_cmd(Pid,Cmd,Prx,Newline,Timeout) -> + ct_telnet_client:send_data(Pid,Cmd,Newline), teln_receive_until_prompt(Pid,Prx,Timeout). teln_get_all_data(Pid,Prx,Data,Acc,LastLine) -> - case check_for_prompt(Prx,lists:reverse(LastLine) ++ Data) of + case check_for_prompt(Prx,LastLine++Data) of {prompt,Lines,_PromptType,Rest} -> teln_get_all_data(Pid,Prx,Rest,[Lines|Acc],[]); {noprompt,Lines,LastLine1} -> case ct_telnet_client:get_data(Pid) of {ok,[]} -> - {ok,lists:reverse(lists:append([Lines|Acc])), - lists:reverse(LastLine1)}; + {ok,lists:reverse(lists:append([Lines|Acc])),LastLine1}; {ok,Data1} -> teln_get_all_data(Pid,Prx,Data1,[Lines|Acc],LastLine1) end @@ -1334,7 +1409,7 @@ teln_receive_until_prompt(Pid,Prx,Timeout) -> teln_receive_until_prompt(Pid,Prx,Acc,LastLine) -> {ok,Data} = ct_telnet_client:get_data(Pid), - case check_for_prompt(Prx,LastLine ++ Data) of + case check_for_prompt(Prx,LastLine++Data) of {prompt,Lines,PromptType,Rest} -> Return = lists:reverse(lists:append([Lines|Acc])), {ok,Return,PromptType,Rest}; |