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CentOS 7.0 - man page for lwp::debug (centos section 3)

LWP::Debug(3)		       User Contributed Perl Documentation		    LWP::Debug(3)

       LWP::Debug - deprecated

       LWP::Debug used to provide tracing facilities, but these are not used by LWP any more.
       The code in this module is kept around (undocumented) so that 3rd party code that happen
       to use the old interfaces continue to run.

       One useful feature that LWP::Debug provided (in an imprecise and troublesome way) was
       network traffic monitoring.  The following section provide some hints about recommened

   Network traffic monitoring
       The best way to monitor the network traffic that LWP generates is to use an external TCP
       monitoring program.  The Wireshark program (<http://www.wireshark.org/>) is higly
       recommended for this.

       Another approach it to use a debugging HTTP proxy server and make LWP direct all its
       traffic via this one.  Call "$ua->proxy" to set it up and then just use LWP as before.

       For less precise monitoring needs just setting up a few simple handlers might do.  The
       following example sets up handlers to dump the request and response objects that pass
       through LWP:

	 use LWP::UserAgent;
	 $ua = LWP::UserAgent->new;
	 $ua->default_header('Accept-Encoding' => scalar HTTP::Message::decodable());

	 $ua->add_handler("request_send",  sub { shift->dump; return });
	 $ua->add_handler("response_done", sub { shift->dump; return });



perl v5.16.3				    2012-01-14				    LWP::Debug(3)

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