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.\" ========================================================================
.\"
.IX Title "Log::Dispatch::Message::Passing 3pm"
.TH Log::Dispatch::Message::Passing 3pm "2022-06-30" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Log::Dispatch::Message::Passing \- log events to Message::Passing
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
In your application code:
.PP
.Vb 4
\&  use Log::Dispatch;
\&  use Log::Dispatch::Message::Passing;
\&  use Message::Passing::Filter::Encoder::JSON;
\&  use Message::Passing::Output::ZeroMQ;
\&
\&  my $log = Log::Dispatch\->new;
\&
\&  $log\->add(Log::Dispatch::Message::Passing\->new(
\&        name      => \*(Aqmyapp_aggregate_log\*(Aq,
\&        min_level => \*(Aqdebug\*(Aq,
\&        output    => Message::Passing::Filter::Encoder::JSON\->new(
\&            output_to => Message::Passing::Output::ZeroMQ\->new(
\&                connect => \*(Aqtcp://192.168.0.1:5558\*(Aq,
\&            ),
\&        ),
\&  ));
\&
\&  $log\->warn($_) for qw/ foo bar baz /;
.Ve
.PP
On your central log server:
.PP
.Vb 2
\&  message\-pass \-\-input ZeroMQ \-\-input_options \*(Aq{"socket_bind":"tcp://*:5558"}\*(Aq \e
\&    \-\-output File \-\-output_options \*(Aq{"filename":"myapp_aggregate.log"}\*(Aq
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This provides a Log::Dispatch log output system that sends logged events to
Message::Passing.
.PP
This allows you to use any of the Message::Passing outputs or filters
to process log events and send them across the network, and you can use
the toolkit to trivially construct a log aggregator.
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS """new"""
.el .SS "\f(CWnew\fP"
.IX Subsection "new"
.Vb 1
\& my $table_log = Log::Dispatch::Message::Passing\->new(\e%arg);
.Ve
.PP
This method constructs a new Log::Dispatch::Message::Passing output object.
.PP
Required arguments are:
.PP
.Vb 1
\&  output \- a L<Message::Passing> L<Output|Message::Passing::Role::Output> class.
.Ve
.SS "log_message"
.IX Subsection "log_message"
This is the method which performs the actual logging, as detailed by
Log::Dispatch::Output.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "Message::Passing" 4
.IX Item "Message::Passing"
The logging framework itself, allowing you to very simply build log
aggregation and processing servers.
.IP "Message::Passing::Output::ZeroMQ" 4
.IX Item "Message::Passing::Output::ZeroMQ"
The recommended network protocol for aggregating or transporting messages
across the network.
.Sp
Note that whilst this transport is recommended, it is \fB\s-1NOT\s0\fR required by
this module, so you need to require (and depend on) Message::Passing::ZeroMQ
separately.
.IP "example/ directory" 4
.IX Item "example/ directory"
Instantly runnable \s-1SYNOPSIS\s0 \- plug into your application for easy log
aggregation.
.SH "AUTHOR"
.IX Header "AUTHOR"
Tomas Doran (t0m) \f(CW\*(C`<bobtfish@bobtfish.net>\*(C'\fR
.SH "SPONSORSHIP"
.IX Header "SPONSORSHIP"
This module exists due to the wonderful people at Suretec Systems Ltd.
<http://www.suretecsystems.com/> who sponsored it's development for its
VoIP division called SureVoIP <http://www.surevoip.co.uk/> for use with
the SureVoIP \s-1API\s0 \- 
<http://www.surevoip.co.uk/support/wiki/api_documentation>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright Suretec Systems Ltd. 2012.
.SH "LICENSE"
.IX Header "LICENSE"
\&\s-1GNU\s0 Affero General Public License, Version 3
.PP
If you feel this is too restrictive to be able to use this software,
please talk to us as we'd be willing to consider re-licensing under
less restrictive terms.