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path: root/misc/makecall.pl
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#ver 0.03 (C)Cyr
use strict;
use warnings;
use diagnostics;
use IO::Socket;
use Convert::ASN1;

#use Data::Dumper;
use Carp;
use POSIX;
my $CSTAapdu;
my $socket;

sub decode_msg_header {
    my $bin = shift;
    my $len = unpack( 'n', $bin );
    return $len;
}

sub encode_msg_header {
    my $len = shift;
    die "Message larger than allowed!" unless ( $len <= 240 );
    my $bin = pack( 'n', $len );
    return $bin;
}

sub convert_to_hex {
    my $pdu = $_[0];
    my $hexdata = unpack( 'H*', $pdu );
    $hexdata =~ tr/a-z/A-Z/;
    $hexdata =~ s/(..)/$1 /g;
    $hexdata =~ s/ $//g;
    return $hexdata;
}

sub send_pdu {
    my $pdu    = $_[0];
    my $header = encode_msg_header( length($pdu) );
    $socket->write($header);
    $socket->write($pdu);

    #	my $hexdata = convert_to_hex($pdu);
    #	print("SENT:    [$hexdata]\n");
}

sub csta_connect {
    my %args = %{ $_[0] };
    open_csta_socket( $args{host}, $args{port} );

    # A-ASSOCIATE Request
    my $pdu =
"602380020780A10706052B0C00815ABE14281206072B0C00821D8148A007A0050303000800";
    $pdu = pack( 'H*', $pdu );
    send_pdu($pdu);

    # A-ASSOCIATE Result
    $pdu = receive_stuff();
    my $hexdata = convert_to_hex($pdu);
    if ( $hexdata =~ /A2 03 02 01 01/ ) {
        print "rejected-permanent\n";
        exit 0;
    }

    #SystemStatus Request
    $pdu = receive_stuff();
    my $out      = $CSTAapdu->decode($pdu);
    my $invokeID = $out->{svcRequest}->{invokeID};
    SystemStatusResult($invokeID);
}

sub open_csta_socket {
    my $host = shift;
    my $port = shift;
    $socket = new IO::Socket::INET(
        PeerAddr => $host,
        PeerPort => $port,
        Blocking => 1,
        Proto    => 'tcp'
    ) || die "Error creating socket: $!\n";
    $socket->autoflush(1);
    print("opened a connection to $host on port $port\n");
}

sub receive_stuff {
    my $header = '';
    my $pdu    = '';
    my $nbytes = $socket->sysread( $header, 2 );
    if ( $nbytes == 1 ) {    # фрагмент пакета
        my $header2;
        my $nbytes2 = $socket->sysread( $header2, 1 );
        $header = $header . $header2;
        $nbytes = 2;
    }
    croak "Didn't receive the specified amount of data (2 bytes)!\n" . chr(7)
      unless ( $nbytes == 2 );
    my $len = decode_msg_header($header);
    $nbytes = $socket->sysread( $pdu, $len );
    if ( $nbytes < $len ) {    # фрагмент пакета
        my $pdu2;
        my $nbytes2 = $socket->sysread( $pdu2, $len - $nbytes );
        $pdu    = $pdu . $pdu2;
        $nbytes = $nbytes + $nbytes2;
    }
    croak "Didn't receive the specified amount of data ($len bytes)!\n" . chr(7)
      unless ( $nbytes == $len );

    #	my $hexdata = convert_to_hex($pdu);
    #	print("RECEIVED:[$hexdata]\n");
    return $pdu;
}

sub SystemStatusResult {
    my $invokeID = shift;
    my $pdu      = $CSTAapdu->encode(
        {
            svcResult => {
                invokeID => $invokeID,
                result => { serviceID => 211, serviceResult => { noData => 1 } }
            }
        }
    );
    send_pdu($pdu);    # send SystemStatus Result
}

sub makeCall {
    my $dialingNumber = shift;
    my $pdu           = $CSTAapdu->encode(
        {
            svcRequest => {
                invokeID    => 9,
                serviceID   => 10,
                serviceArgs => {
                    callingDevice => {
                        deviceIdentifier => {
                            dialingNumber =>
                              $dialingNumber    # номер абонента
                        }
                    },
                    calledDirectoryNumber => {
                        deviceIdentifier => {
                            dialingNumber =>
                              178 # номер ICD автоинформатора
                        }
                    }
                }
            }
        }
    );
    send_pdu($pdu);
    $pdu = receive_stuff();

    #Convert::ASN1::asn_dump($pdu);
    my $out = $CSTAapdu->decode($pdu);

    #$Data::Dumper::Indent=1;
    #$Data::Dumper::Pair=' ';
    #$Data::Dumper::Quotekeys=0;
    #$Data::Dumper::Varname='CSTAapdu';
    #print Dumper($out);
    if ( defined $out->{svcResult}->{result}->{serviceResult}->{callingDevice} )
    {
        print $out->{svcResult}->{result}->{serviceResult}->{callingDevice}
          ->{both}->{deviceID}->{staticID}->{deviceIdentifier}->{dialingNumber},
          "\n";
    }
    elsif ( defined $out->{svcError}->{parameter} ) {

        #my $error_parameter = (keys %{$out->{svcError}->{parameter}})[0];
        #print $error_parameter,"\n";
        if ( defined $out->{svcError}->{parameter}->{operation} ) {
            my $OperationErrors = $out->{svcError}->{parameter}->{operation};
            if ( $OperationErrors == 12 ) {
                print $dialingNumber, " - invalidDeviceID\n";
            }
            elsif ( $OperationErrors == 6 ) {
                print $dialingNumber, " - invalidCalledDeviceID\n";
            }
            elsif ( $OperationErrors == 31 ) {
                print $dialingNumber, " - invalidParameterValue\n";
            }
            elsif ( $OperationErrors == 2 ) {
                print $dialingNumber, " - requestIncompatibleWithObject\n";
            }
            else {
                print "OperationErrors:", $OperationErrors, "\n";
            }
        }
        elsif ( defined $out->{svcError}->{parameter}->{stateIncompatibility} )
        {
            my $StateIncompatibilityErrors =
              $out->{svcError}->{parameter}->{stateIncompatibility};
            if ( $StateIncompatibilityErrors == 2 ) {
                print $dialingNumber, " - invalidObjectState\n";
            }
            else {
                print "StateIncompatibilityErrors:",
                  $StateIncompatibilityErrors;
            }
        }
        elsif (
            defined $out->{svcError}->{parameter}
            ->{systemResourceAvailability} )
        {
            my $SystemResourceAvailabilityErrors =
              $out->{svcError}->{parameter}->{systemResourceAvailability};
            if ( $SystemResourceAvailabilityErrors == 15 ) {
                print $dialingNumber, " - deviceOutOfService\n";
            }
            else {
                print "SystemResourceAvailabilityErrors:",
                  $SystemResourceAvailabilityErrors;
            }
        }
        else {
            print Dumper($out);
        }
    }
    else {
        print Dumper($out);
    }
}

# parse ASN.1 desciptions
my $asn = Convert::ASN1->new;

#$asn->configure(tagdefault=>'EXPLICIT');
$asn->prepare(<<ASN1) or die "prepare: ", $asn->error;
CSTAapdu ::= CHOICE {
    svcRequest      ROIVapdu,
    svcResult       RORSapdu,
	svcError        ROERapdu
--  svcReject       RORJapdu
}
ROIVapdu ::= [1] IMPLICIT SEQUENCE {
	invokeID	  INTEGER,
	serviceID	  INTEGER,
	serviceArgs	  ANY DEFINED BY serviceID
}
RORSapdu ::= [2] IMPLICIT SEQUENCE {
	invokeID	  INTEGER,
	result            SEQUENCE {
		serviceID	  INTEGER,
		serviceResult ANY DEFINED BY serviceID OPTIONAL
	}
}
ROERapdu ::= [3] IMPLICIT SEQUENCE {
	invokeID	 INTEGER,
	code		 INTEGER, -- local:1
	parameter 	 UniversalFailure
}
UniversalFailure ::= CHOICE
{	operation			 	 	[0] EXPLICIT OperationErrors,
	stateIncompatibility       	[2] EXPLICIT StateIncompatibilityErrors,
	systemResourceAvailability 	[3] EXPLICIT SystemResourceAvailabilityErrors,
	unspecified                	[7] UnspecifiedErrors
}
OperationErrors ::= ENUMERATED
{
	invalidDeviceID				(12),
	invalidCalledDeviceID		(6),
	invalidParameterValue		(31),
	requestIncompatibleWithObject (2)
}
StateIncompatibilityErrors ::= ENUMERATED
{
	invalidObjectState				(2)
}
SystemResourceAvailabilityErrors ::= ENUMERATED
{
	deviceOutOfService				(15)
}
UnspecifiedErrors ::= NULL

--makeCall		OPERATION ::=
--{	ARGUMENT	MakeCallArgument
--	RESULT	MakeCallResult
--	ERRORS	{universalFailure}
--	CODE	local: 10
--}

MakeCallArgument ::= SEQUENCE
{	callingDevice			DeviceID,
	calledDirectoryNumber	DeviceID
}
MakeCallResult ::= SEQUENCE
{	callingDevice		 ConnectionID}

ConnectionID ::= [APPLICATION 11] CHOICE
{
	deviceID	[1]	LocalDeviceID,
	both	SEQUENCE
	{	callID 	 [0] IMPLICIT CallID,
		deviceID [1] LocalDeviceID
	}
}

CallID ::= OCTET STRING

LocalDeviceID ::= CHOICE
{   staticID        DeviceID}

DeviceID ::= SEQUENCE
{	deviceIdentifier		CHOICE
	{	dialingNumber		[0] IMPLICIT	NumberDigits,
		deviceNumber		[1] IMPLICIT	DeviceNumber,
		other				[6] IMPLICIT	OtherPlan
	}
}
OtherPlan ::= OCTET STRING

NumberDigits ::= IA5String

DeviceNumber ::= INTEGER

systemStatus ::= CHOICE
{	ARGUMENT SystemStatusArg,
	RESULT 	 SystemStatusRes
--	ERRORS 	{universalFailure}
--	CODE	local: 211
}
SystemStatusArg ::= SEQUENCE
{	systemStatus	SystemStatus}

SystemStatusRes ::= CHOICE
{	noData	 NULL}

SystemStatus ::= ENUMERATED
{   normal               (2),
    messageLost          (3),
    overloadReached      (6)
}
ASN1
my %serviceArgs = (    #51=> 'EscapeArgument',
    10  => 'MakeCallArgument',
    211 => 'SystemStatusArg'
);
foreach ( keys %serviceArgs ) {
    $asn->registertype( 'serviceArgs', $_, $asn->find( $serviceArgs{$_} ) );
}
my %serviceResults = (    #51=> 'EscapeResult',
    10  => 'MakeCallResult',
    211 => 'SystemStatusRes'
);
foreach ( keys %serviceResults ) {
    $asn->registertype( 'serviceResult', $_,
        $asn->find( $serviceResults{$_} ) );
}
$CSTAapdu = $asn->find('CSTAapdu');
csta_connect( { 'host' => '192.168.0.66', 'port' => 33333 } );
print "makeCall:\n";
my @devices = ( 106, 111, 155, 156 );    # список номеров
my $i = 0;
for (@devices) {
    makeCall($_);
    if ( $i++ % 2 ) {    # 2 - количество каналов SVM
        sleep 3          # задержка на сообщение
    }
}