Re: Strange error

[Frank Chu <frankchu_ns@yahoo.com>]

Ah, I found why: The "i" in the loop should be "$i". 
Sorry for the bother. :)

Frank
--- Frank Chu <frankchu_ns@yahoo.com> wrote:
> This code generated an error:
>   can't read "ftp(1)": no such element in array
>       while executing
>   "$ns at 1.0 "$ftp($i) start""
> 
> The code is:  (Note: MAX_TCP_PAIRS is 10)
> 
>  for {set i 1} {$i<=$MAX_TCP_PAIRS} {incr i 1} {
>   set tcpsource(i) [new Agent/TCP/Reno]
>   $ns attach-agent $tcpsourcenode(i) $tcpsource(i)
>   set tcpsink(i) [new Agent/TCPSink]
>   $ns attach-agent $tcpsinknode(i) $tcpsink(i)
>   $ns connect $tcpsource(i) $tcpsink(i)
>   set ftp(i) [new Application/FTP]
>   $ftp(i) attach-agent $tcpsource(i)
>   $ns at 1.0 "$ftp($i) start"  <-------- error
> appears
>   $ns at 61.0 "$ftp($i) stop"
>  }                           
> 
> very strange error ?
> 
>  Frank
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