On 11/12/00 3:11 PM, andu wrote:
>> Yes, I've been using the AppleEvent handle on Mac for CGI some time ago. But
>> the major concern here is the complexity of the CGI. Suppose I have a chunk
>> of code that would takes a long time to execute (10 seconds?), the second
>> query from the AppleEvent will have to wait.
>> In most case this is ok if I plan carefully, but when I start deploying
>> complex solution this way, I have to always ensure:
>> - each query has to be short
>> - push complex processing to other application, if I use MetaCard (the CGI
>> in this case), the CGI will still hog.
>> - slice long processing with "send xxx to yyy in 1 second with zzzz", making
>> codes become more complex.
>>
>> Even with all the above, I still get unreasonable performance on extremely
>> busy situation (10 to 20 cgi hit a second?)
>>
>> Well I must say this has something to do with AppleEvent and the way CGI has
>> been implemented on the Mac. The same limitation are effecting ALL CGIs on
>> the Mac as well, not only MetaCard.
>
> Most inefficient, I agree. Not sure I understand your comment bellow but
> MCHTTPd *is* the way to go (in theory) in terms of efficiency in this case.
> Unfortunately I didn't have enough motivation to develop it beyond the demo
> state.
Socket in MetaCard is rather powerful. But I haven't been able to test it
out entirely yet, even after a few months putting it on the production
server for handling browser file upload, I am still not sure how reliable
this can be (I have taken it down after WebSTAR has a workaround for file
upload to work consistently)
While MetaCard is extremely easy for most of us, but socket could be too
"low down" in most cases. It is not as simple as "put url" single line
scripting, you'll most likely end up writing massive functions and "with
message" kind of calling to complete a socket implementation (more complex
on dealing files with with "open file" commands). I would think thread
supports on MetaCard for these face-less implementations would be nice - at
least from my point of view ;-)
Imagine:
on something_coming_from_socket theSocket
create process "myProcess" with script of btn "scriptTemplate"
send theSocket to process "myProcess"
end something_coming_from_socket
That would be good!
Yes, this is rather demanding - Scott might needs to revamp the entire
MetaCard engine for this, but I always bound into situation where thread may
offer easier way out.
Regards,
LiangTyan Fui
> But talking about web servers I recently experimented with Xitami and I highly
> recommend it as an alternative to Apache at least when it comes to
> configuration.
> Related to this discussion, it has no problem calling MC cgi scripts.
>
>>
>> While the cmc.exe and Unix based MetaCard have advantage to handle queries
>> simultaneously, but overhead on loading the CGI and initialising the
>> solution might be high. And concept of implementing these CGI is very
>> different on the Mac CGI (and MCHttpd too).
>>
>> Regards,
>> LiangTyan Fui
>>
>
> Regards, Andu
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