Not sure what you are doing with meetme but, i Always used AstDB() for this type of needs.
On 7/28/07, Lee Jenkins <[EMAIL PROTECTED]> wrote: > > Watkins, Bradley wrote: > > The contents of this e-mail are intended for the named addressee only. > It contains information that may be confidential. Unless you are the named > addressee or an authorized designee, you may not copy or use it, or disclose > it to anyone else. If you received it in error please notify us immediately > and then destroy it. > > > >> From: [EMAIL PROTECTED] > >> [mailto:[EMAIL PROTECTED] On Behalf Of > >> Julian Lyndon-Smith > >> Sent: Saturday, July 28, 2007 5:18 AM > >> To: asterisk-users@lists.digium.com > >> Subject: [asterisk-users] global variables and updates > >> > >> Sorry if this appears twice - I originally sent it nearly 18 > >> hours ago > >> and never saw it .. > >> > >> I have a need to have a unique integer number that can be used by a > >> dynamic meetme room (I am wanting to redirect a call into a meeting > >> room, and need a unique number to make sure I don't put two people > >> together !) > >> > >> I was going to use a global variable ${NEXTMEETME}, and add one every > >> time I redirect. > >> > >> Is the changing of a global variable atomic ? That is, if I > >> have two or > >> more channels being redirected at the same time, and they all execute > >> > >> exten => _X.,n,Set(NEXTMEETME=${MATH(${NEXTMEETME}+1,i)}) > >> exten => _X.,n,Set(MYMEETME=${NEXTMEETME}) > >> > >> if NEXTMEETME is initially 0, would channel A get MYMEETME as > >> 1, channel > >> B get 2 and channel C get 3, even if they execute the dialplan at the > >> same time ? > >> > > > > The changing of variables is not atomic as would hope, but there is a > > solution for you. Look the application MacroExclusive. Put your Set to > > increment the global variable inside of a macro and call it using this, > > and you will get the behavior you desire. One caveat, however, is that > > you will want as little logic as possible inside of this macro. > > MacroExclusive will block all other calls to this macro until the first > > one exits. But this is not an issue if all you are doing is a quick > > var++ and then leaving. > > > > That's a very nice feature. A quick Google search on the wiki didn't > turn up any topics. Does it queue subsequent calls or just block them > and then logic in the dialplan must be used against a return value? > > --- > Warm Regards, > > Lee > > > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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