How can i use dynamic vars with the attribute value of eq? about tsung

[tisba]

As far as I can tell, the value is currently not substituted.

However it's a bit hard to fully understand your problem. Could you please surround your XML configuration using ``` (code blocks)? And I'd appreachiate it if you could format your XML a little bit to make it easier to read :)

[alicehanhy]

Ok,thank you.

<options>
 <option name="file_server" id="userdb" value="/usr/local/tsung6/hanhy/login/case1/enc.csv"></option> 
</options>

<sessions> 
<session probability="100" name="raw" type="ts_raw"> 
<setdynvars sourcetype="file" fileid="userdb" delimiter="," order="iter"> 
 <var name="userid"/> 
 <var name="username"/>
</setdynvars>
<transaction name="data">
 <request subst="true"> 
  <dyn_variable name="loginTag" re="&lt;success xmlns=&quot;urn:ietf:params:xml:ns:xmpp-sasl&quot;&gt;(.*)@im.ebnew.com/Tsung&lt;/success&gt;"/>
  <raw data="&lt;auth xmlns=&quot;urn:ietf:params:xml:ns:xmpp-sasl&quot; resource=&quot;Tsung&quot;&gt;%%_username%%&lt;/auth&gt;" ack="local"></raw> 
 </request> 
</transaction>
<thinktime value="4"/>
<transaction name="close">
 <if var="loginTag" eq="userid">
 <request> 
  <raw data="stopstopstop" ack="local"></raw> 
 </request> 
 </if> 
</transaction> 
</session> 
</sessions> 

[bltb]

I think the DSL does not (yet) support dynamic variable expansion in the control flow blocks such as if.

If you really need this now, you could try...

<setdynvars sourcetype="eval"
            code="fun({Pid,DynVars})->
                      {ok,Val1}=ts_dynvars:lookup(loginTag,DynVars),
                      {ok,Val2}=ts_dynvars:lookup(userid,DynVars),
                       Val1 =:= Val2 end.">
  <var name="is_expected_userid" />
</setdynvars>

<transaction name="close">
 <if var="is_expected_userid" eq="true">
 <request>
  <raw data="stopstopstop" ack="local"></raw>
 </request>
 </if>
</transaction>

[bltb]

Could we close this?
Or maybe tag this as an enhancement?
@alicehanhy, by the way, did the "workaround" work for you?

[alicehanhy]

Ok

[tisba]

IMO the value part of <if> should support substitution.

Adding this should be fairly simple. Code to take a look at is this:

tsung/src/tsung/ts_client.erl

Lines 646 to 656 in fbd11cb

	ctrl_struct_impl({if_start,Rel, VarName, Value, Target},DynVars) ->
	case ts_dynvars:lookup(VarName,DynVars) of
	{ok,VarValue} ->
	?DebugF("If found ~p; value is ~p~n",[VarName,VarValue]),
	?DebugF("Calling need_jump with args ~p ~p ~p~n",[Rel,Value,VarValue]),
	Jump = need_jump('if',rel(Rel,Value,VarValue)),
	jump_if(Jump,Target,DynVars);
	false ->
	ts_mon_cache:add({ count, 'error_if_undef'}),
	{next,DynVars}
	end;

Value needs to be processed via ts_search:subst. This way it may contain placeholders like foo-%%_userid%%.