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.IX Title "LWP::Debug 3pm"
.TH LWP::Debug 3pm "2019-11-29" "perl v5.30.0" "User Contributed Perl Documentation"
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.SH "NAME"
LWP::Debug \- deprecated
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module has been deprecated.  Please see LWP::ConsoleLogger for your
debugging needs.
.PP
LWP::Debug is used to provide tracing facilities, but these are not used
by \s-1LWP\s0 any more.  The code in this module is kept around
(undocumented) so that 3rd party code that happens to use the old
interfaces continue to run.
.PP
One useful feature that LWP::Debug provided (in an imprecise and
troublesome way) was network traffic monitoring.  The following
section provides some hints about recommended replacements.
.SS "Network traffic monitoring"
.IX Subsection "Network traffic monitoring"
The best way to monitor the network traffic that \s-1LWP\s0 generates is to
use an external \s-1TCP\s0 monitoring program.  The
WireShark <http://www.wireshark.org/> program is highly recommended for this.
.PP
Another approach it to use a debugging \s-1HTTP\s0 proxy server and make
\&\s-1LWP\s0 direct all its traffic via this one.  Call \f(CW\*(C`$ua\->proxy\*(C'\fR to
set it up and then just use \s-1LWP\s0 as before.
.PP
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 \s-1LWP:\s0
.PP
.Vb 3
\&  use LWP::UserAgent;
\&  $ua = LWP::UserAgent\->new;
\&  $ua\->default_header(\*(AqAccept\-Encoding\*(Aq => scalar HTTP::Message::decodable());
\&
\&  $ua\->add_handler("request_send",  sub { shift\->dump; return });
\&  $ua\->add_handler("response_done", sub { shift\->dump; return });
\&
\&  $ua\->get("http://www.example.com");
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
LWP::ConsoleLogger, LWP::ConsoleLogger::Everywhere, LWP::UserAgent
