Re: DO question.
Re: DO question.
- Subject: Re: DO question.
- From: warren marco <email@hidden>
- Date: Mon, 1 Apr 2002 12:36:39 -0700
On Monday, April 1, 2002, at 11:31 AM, Jonathan Wight wrote:
>
Hello,
>
>
I have a daemon that is vending an object (of class CDaemon) via DO. The
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daemon's client process is getting a proxy to that object just fine. The
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client then sends a message to the CDaemon proxy that looks a bit like
>
this:
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>
- (CSomeObject *)getSomeObject;
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>
The object returned is actually a member variable of CDaemon. However
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when I
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send messages to the returned CSomeObject object the messages never get
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to
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the Daemon process.
>
>
So can DO shared objects return other shared objects?
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>
Jon.
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This is strange. Try defining your selector as
- (byref CSomeObject *)getSomeObject;
I'm under the impression that by default it should be byref, if a DO
modifier is not stated, where the server should send the object as a
proxy back to the client. I decided to test your your problem out. I got
a NSMutableArray member from my server by byref and then added a object
to it(@"HELLO"). Then without byref requested it and displayed its
contents.
2002-04-01 12:29:20.759 CLIENT[407] ("HELLO")
It worked perfectly. Then I tried it without the byref modifier to get
the NSMutableArray. I got the following....
2002-04-01 12:32:25.410 CLIENT[465] ()
Solution: add byref
- (byref CSomeObject *)getSomeObject;
I guess I was wrong in assuming byref by default.It must be bycopy.
Isn't it byref by default for selector arguments then??
Hope this helps. Now if someone can can explain to me the
NSSocketPortNameServer and whether I'm either stupid or if it just plain
doesnt work, and why my client crashes when the server gets shutdown
over sockets....
cheers,
Warren Marco
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| References: | |
| | >DO question. (From: Jonathan Wight <email@hidden>) |