| Author |
Message |
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| rsaccon |
 Posted: Fri Aug 11, 2006 9:15 pm |
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User
Joined: 09 Aug 2006
Posts: 144
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I realized that I still do not understand every bit of the functional
concepts used for the JSON RPC Handlers.
I want to access to the Arg (from the Yaws HTTP request) from within
my JSON RPC Handler. But how do I pass that Arg to tha handler ?
To make my question clear, let's take the code below (copy pasted form
the yaws website). I simply want to pass to "counter" the Argument
"A". How can I do that ?
regards
Roberto
<erl module=sample_mod>
out(A) ->
Peer = if
tuple(A#arg.clisock),
element(1, A#arg.clisock) == sslsocket ->
ssl:peername(A#arg.clisock);
true ->
inet:peername(A#arg.clisock)
end,
{ok,{IP,_}} = Peer,
A2=A#arg{state = [{ip, IP}]},
yaws_rpc:handler_session(A2, {sample_mod, counter}).
counter([{ip, IP}] = _State, {call, test1, Value} = _Request, Session) ->
io:format("Request = ~p~n", [_Request]),
IPStr = io_lib:format("Client ip is ~p~n" , [ IP ]),
OldSession = io_lib:format("Request is: ~p~nOld session value "
"is ~p~n", [ _Request, Session ]),
case Session of
undefined -> % create new session
NewSession = 0;
10 -> % reset session after reaching 10
NewSession = undefined;
N ->
NewSession = N + 1
end,
NewVal = io_lib:format("New session value is ~p ~n", [ NewSession ]),
Str = lists:flatten([IPStr,OldSession,NewVal]),
{true, 0, NewSession, {response, Str }}.
</erl>
--
Roberto Saccon
-------------------------------------------------------------------------
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| Gaspar |
| Posted: Sat Aug 12, 2006 9:09 am |
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Joined: 20 Jul 2006
Posts: 55
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Roberto Saccon wrote:
> I realized that I still do not understand every bit of the functional
> concepts used for the JSON RPC Handlers.
>
> I want to access to the Arg (from the Yaws HTTP request) from within
> my JSON RPC Handler. But how do I pass that Arg to tha handler ?
>
only Arg#arg.state is passed to handler, so if you vant to pass query
variables to handler -- then you should do somethingn like this:
Vars = yaws_api:query_parse(A),
A2=A#arg{state = [{ip, IP}, {query_vars, Vars}]},
so everything which you want pass to handler shoudl be processed
before yaws_rpc:handler_session call and put into #arg.state
--
Gaspar Chilingarov
System Administrator,
Network security consulting
t +37493 419763 (mob)
i 63174784
e nm@web.am
-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
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| rsaccon |
| Posted: Sat Aug 12, 2006 3:42 pm |
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User
Joined: 09 Aug 2006
Posts: 144
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Aaah, of course ! thanks yery much !
On 8/12/06, Gaspar Chilingarov <nm@web.am> wrote:
> Roberto Saccon wrote:
> > I realized that I still do not understand every bit of the functional
> > concepts used for the JSON RPC Handlers.
> >
> > I want to access to the Arg (from the Yaws HTTP request) from within
> > my JSON RPC Handler. But how do I pass that Arg to tha handler ?
> >
>
> only Arg#arg.state is passed to handler, so if you vant to pass query
> variables to handler -- then you should do somethingn like this:
>
> Vars = yaws_api:query_parse(A),
> A2=A#arg{state = [{ip, IP}, {query_vars, Vars}]},
>
> so everything which you want pass to handler shoudl be processed
> before yaws_rpc:handler_session call and put into #arg.state
>
>
>
>
>
> --
> Gaspar Chilingarov
>
> System Administrator,
> Network security consulting
>
> t +37493 419763 (mob)
> i 63174784
> e nm@web.am
>
--
Roberto Saccon
-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
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Erlyaws-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/erlyaws-list
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