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.\"
.IX Title "Net::SIP::Blocker 3pm"
.TH Net::SIP::Blocker 3pm "2021-03-01" "perl v5.32.1" "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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.SH "NAME"
Net::SIP::Blocker \- blocks SIP requests based on method name
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&  my $block = Net::SIP::Blocker\->new(
\&          block => { \*(AqSUBSCRIBE\*(Aq => 405, \*(Aq...\*(Aq => ... },
\&          dispatcher => $disp,
\&  );
\&
\&  my $chain = Net::SIP::ReceiveChain\->new(
\&          [ $block, ... ]
\&  );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Blocks incoming requests by method name and sends back custom
error message.
.SH "CONSTRUCTOR"
.IX Header "CONSTRUCTOR"
.IP "new ( \s-1BLOCK,DISPATCHER\s0 )" 4
.IX Item "new ( BLOCK,DISPATCHER )"
Returns a new blocking object to be used in the chain.
.Sp
\&\s-1BLOCK\s0 is a hash reference where the keys are the methods to be blocked and
their values are the reason why the method was blocked. The reason
is the three digit code, optionally followed by a text.
.Sp
\&\s-1DISPATCHER\s0 is a Net::SIP::Dispatcher object.
.SH "METHODS"
.IX Header "METHODS"
.IP "receive ( \s-1PACKET,LEG,FROM\s0 )" 4
.IX Item "receive ( PACKET,LEG,FROM )"
\&\s-1PACKET\s0 is the incoming packet,
\&\s-1LEG\s0 is the Net::SIP::Leg where the packet arrived and \s-1FROM\s0
is the \f(CW"ip:port"\fR of the sender.