Hi,
On Wed, Apr 15, 2015 at 12:46:32AM +0530, Amish Mittal wrote:
> i grep the code of strace 4.10 in and out for this project. This is
> what all i got for this project:
> we don't need to change the tprintf and tprints calls, we only need to
> slightly change their definition.
> My idea for this project:
> 1) crate one global char buffer in strace.c
> 2) if json flag is set then tprintf and tprints will not print write
> anything in current_tcp->outf , they will just write the whole string in
> our char buffer
> 3) one JsonFormatter which converts and writes our string in json format
>
> example :
> JsonFormatter(execve( current_tcp->outf ,"\"./a.out", ["./a.out"], [/* 80
> vars */]) = 0" , sizeOfBuffer)
>
> will write
> {
> "Function" : execve
> "Arguments" : ("./a.out", ["./a.out"], [/* 80 vars */])
> "Return" : 0
> }What you are essentially proposing is to parse strace output for the second time in hope that this traditional C-style human readable output would be regular enough to produce a reliable structured output. If this hypothesis was true, there would be no need to add this converter into strace itself. The problem is that traditional strace output is not 100% regular, and the idea as I understand it is to change strace to parse all syscalls, signals, etc. into a structured internal representation that would then be printed either in traditional C-style format or in a structured format. -- ldv
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