I've got several issues with AGI/FastAGI

1. When an AGI script sends a command to Asterisk via stdin, why does Asterisk 
block and not return a result until the command is complete? Specifically, the 
dial command. If I send a Dial command to Asterisk, I don't get a return result 
until AFTER the call is HUNG UP. Not when it's ringing, not when the call is 
connected, but when it's DISCONNECTED. Why is that? How are you supposed to use 
commands like CHANNEL STATUS if you have to wait until the call is hung up, to 
check it's status?

2. Why do AGI scripts stay in memory until a call is complete? Is there any way 
to have the script terminate when a call is connected? With this scenario, you 
have a script for every single call in place, and that's really bad from a 
system resource perspective.

3. Seems that no scripting language is up to the task of FastAGI. Perl's 
threads aren't thread-safe with DBI and Python's aren't completely thread safe 
either. Don't know about Ruby, and I ain't no C programmer. What have people 
implemented? I also don't like the threading approach, because if something 
goes wrong with the script/server, you lose the ability to place ANY calls.

Doug
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