WebSVN – HomeAutomation – Diff – /trunk/PcSoftware/scripts/canDaemon/canDaemon.pl/


#!/usr/bin/perl
 
# 
# for use with serial ports, install module with apt-get install libdevice-serialport-perl
# 
# 
# 
 
 
$hubport = 1200;
#$udpip = "193.11.254.22";
#$udpport = 1100;
 
 
require 5.002;
use IO::Socket;
use IO::Select;
use threads;
use Getopt::Long;
 
use POSIX qw(setsid);
 
$binaryname = "canDaemon.pl";
if ( @ARGV > 0 ) {
    GetOptions( "baudrate=i"    => \$baudarg,           #
            "server=s"  => \$serverarg,         #
            "port=i"    => \$portarg,           #
            "tcpport=i" => \$tcpportarg,        #
            "device=s"  => \$devicearg,         #
            "help"      => \$help,          #
            "xDaemon"   => \$daemon,            #
                        );
} else {
    $help = 1;
}
 
if ($help) {
    print "Usage ./$binaryname [options]\n";
    print "Options:\n";
    print "  -x                         Make canDaemon detach as a UNIX daemon\n";
    print "  -d <device> (udp or /dev/ttyXYZ)       Choose hardware for communication\n";
    print "  -b <baudrate>                  Baudrate, for serial devices\n";
    print "  -s <server>                    Server, for udp devices\n";
    print "  -p <port>                  Port, for udp devices\n";
    print "  -t <tcpport>                   Port, for tcp server (default 1200)\n";
    print "  -h                         Shows this usage\n";
    print "\n";
    print "example: ./$binaryname -d /dev/ttyUSB0 -b 38400\n";
    print "example: ./$binaryname -d udp -s 192.168.0.10 -p 1100\n";
 
    exit 0;
}
if ($serverarg) {
    $udpip = $serverarg;
}
#print $udpip;
if ($portarg) {
    $udpport = $portarg;
}
if ($tcpportarg) {
    $hubport = $tcpportarg;
}
 
if ($daemon) {
    chdir '/'                 or die "Can't chdir to /: $!";
    umask 0;
    open STDIN, '/dev/null'   or die "Can't read /dev/null: $!";
    open STDOUT, '>/dev/null' or die "Can't write to /dev/null: $!";
    #open STDERR, '>/dev/null' or die "Can't write to /dev/null: $!";
    defined(my $pid = fork)   or die "Can't fork: $!";
    exit if $pid;
    setsid                    or die "Can't start a new session: $!";
}
 
$C2SSTARTSTR = 253;
$C2SENDSTR = 250;
$C2PINGSTR = 251;
 
### create a tcp server ###
$linelength=1000;
&tcpServerInit;
$thr = threads->new(\&tcpServerThread);
$thr->detach;
 
### create a connection to hardware ###
if ($devicearg) {
    if ($devicearg =~ m/^udp$/) {
        ### if the hardware is an udp node ###
        &udpServerInit;
        $thr = threads->new(\&udpServerThread);
        $thr->detach;
    }
    ### else, the hardware is serial, check for device, this might not work in windows ###
#   elsif (-e $devicearg) {
    else {
        if (!$baudarg) {
            print "For a serial device you need to specifiy baudrate, now using default 19200\n";
            $baudarg = 19200;
        }
       
        eval 'use Device::SerialPort';      ### install module with aptitude install libdevice-serialport-perl
        if ($@) {
            eval 'use Win32::SerialPort';
            if ($@) {
                print "Could not find Device::SerialPort or Win32::SerialPort, I quit.\n";
                exit 0;
            } else {
                $usingWin32Serial = 1;
            }
        } else {
            $usingDeviceSerial = 1;
        }
       
        &serialConnInit;
        $thr = threads->new(\&serialConnThread);
        $thr->detach;      
    }
#   } else {
#       print "Argument $devicearg is not correct\n";
#       exit 0;
#   }
}
 
 
### loop here until user aborts with ctrl+c ###
while (1) { sleep 1; }
 
 
##################### Hardware connection to TCP HUB ############################
sub hardwareConnThread {
    ### Check for data from HUB ###
    while ( $newmsg = <$hwCremote> ) {
        ### Convert to can2serial format ### 
        &stringToc2s($newmsg, $retstring);
        if ($retstring) {
            #print length($retstring)."\n";
            #&c2sToString($retstring, $newretstring);
            #print "TO SEND: ".$newretstring."\n";
            #print $udpCsocket $retstring;
           
            ### Send data ###
            if (length($hardwareSendFunction) > 0) {
                &{$hardwareSendFunction}($retstring);
            }
           
        }
    }  
}
 
sub hardwareConnInit {
    print "Connecting hardware to tcpServer\n";
    $hwCremote = IO::Socket::INET->new(Proto    => "tcp", PeerAddr => "localhost", PeerPort => $hubport,)
                  or die "cannot connect to $hubport port at localhost";
}
 
##################### Serial Connection ############################
sub serialConnThread {
    $serialBuffer = "";
    while(1) {
        my ($count,$saw)=$serialPort->read(1); # will read _up to_ 1 chars
        if ($count > 0) {
            $serialBuffer.=$saw;
            serialConnProcessBuffer($serialBuffer);
        }
    }
}
 
sub serialConnProcessBuffer {
    my $input = $_[0];
    my $output = $input;
    my $newmsg;
    my $retstring;
       
    ### Cut all leading chars that is not a start-char ###
    for ($i = 0; $i < length($input); $i++) {
        if (ord(substr($input, $i, 1)) == $C2SSTARTSTR) {
            $input = substr($input, $i);
            $output = $input;
            #print "debug: cutting character\n";
            break;
        }
        if (ord(substr($input, $i, 1)) == $C2PINGSTR) {
            print "Got pong from hardware\n";
            $input = substr($input, $i+1);
            $output = $input;
        }
    }
    ### Check for possible complete packets ###
    for ($i = 0; $i < length($input)-16; $i++) {
        my $newmsg = substr($input, $i, 17);
        $retstring = "";
        &c2sToString($newmsg, $retstring);
        if (length($retstring)>0) {
            if ($hwCremote) {
                ### Send to tcp hub ###
                print $hwCremote $retstring . "\n";
            }
            #print $retstring."\n";
            $output = substr($input, $i+17);
            $i+=16;
        }
    }
   
    ### Store modified buffer ###
    $_[0] = $output;
}
 
sub serialConnInit {
    print "Connecting to hardware over serial port\n";
    $quiet=0;
    if ($usingDeviceSerial == 1) {
        $serialPort = new Device::SerialPort($devicearg, $quiet) || die "failed to open serial port, $devicearg is not valid?";
    } elsif ($usingWin32Serial == 1) {
        $serialPort = new Win32::SerialPort($devicearg, $quiet) || die "failed to open serial port, $devicearg is not valid?";
    }
    $serialPort->databits(8)            || die "failed setting databits";
    $serialPort->baudrate($baudarg)     || die "failed setting baudrate";
    $serialPort->parity("none")         || die "failed setting parity";
    $serialPort->stopbits(1)            || die "failed setting stopbits";
    $serialPort->handshake("none")      || die "failed setting handshake";
    $serialPort->write_settings         || die "no settings";
   
    $serialPort->read_char_time(0);     # don't wait for each character
    $serialPort->read_const_time(1000); # 1 second per unfulfilled "read" call
 
    print "Testing connection to hardware: ping (hardware should answer with a pong)\n";
    serialConnSend(chr($C2PINGSTR));
   
    ### create a connection between the hardware and the tcp-server ###
    &hardwareConnInit;
    $hardwareSendFunction = "serialConnSend";       ### set up callback for a 'send data' function
    $thr = threads->new(\&hardwareConnThread);
    $thr->detach;
}
 
sub serialConnSend {
    $cnt = $serialPort->write($_[0]);
}
 
##################### UDP Connection ############################
sub udpServerThread {
    $MAXLEN = 1024;
    my $newmsg;
    my $retstring;
    while ($udpSsocket->recv($newmsg, $MAXLEN)) {
        my($udpport, $ipaddr) = sockaddr_in($udpSsocket->peername);
        $peer_addr = inet_ntoa($ipaddr);
       
        ### check ipaddr to ip in commandlinearg ###
        if ($udpip == $peer_addr) {
            #check len of incomming data
            if (length($newmsg) > 16 && length($newmsg) < 20) {
                $retstring = "";
                &c2sToString($newmsg, $retstring);
                if (length($retstring) > 0 && $hwCremote) {
                    print $hwCremote $retstring . "\n";
                }
            }
        }
    }
   
}
 
sub udpServerInit {
    print "Starting udpServer\n";
    $udpSsocket = IO::Socket::INET->new(LocalPort => $udpport, Proto => 'udp')
        or die "socket: $@";
 
    $udpCsocket = IO::Socket::INET->new(PeerPort => $udpport, Proto => 'udp', PeerAddr => $udpip)
        or die "socket: $@";
   
    #här ska keep-alive/start-paket skickas till ipt enligt commandline-arg
 
    ### create a connection between the hardware and the tcp-server ###
    &hardwareConnInit;
    $hardwareSendFunction = "udpServerSend";        ### set up callback for a 'send data' function
    $thr = threads->new(\&hardwareConnThread);
    $thr->detach;
   
}
 
sub udpServerSend {
    print $udpCsocket $_[0];
}
 
##################### TCP HUB ############################
sub tcpServerThread {
    while(@ready = $tcpSselect->can_read) {
        for $tcpSsocket (@ready) {
            if($tcpSsocket == $tcpSlisten) {
                &tcpServerConn;
            } else {
                $tcpSsocket->recv($line,$linelength);
                if ($line eq "") {
                    &tcpServerClientDis;
                } else {
                    $line =~ s/\n.*//gm;    #remove newline and everything after it
                    $line =~ s/\r.*//gm;    #remove linefeed and everything after it
                    print "Got packet '".$line."' from client ".$tcpSsocket->fileno."\n";
                   
                    $rxerror = 0;
                    testPacket($line, 0, $rxerror);
                   
                    if ($rxerror == 0) {
                        #Add newline to each packet
                        $line .= "\n";
                                           
                        &tcpServerBroadcastExcept($line, $tcpSsocket);
                    }
                }
            }
        }
    }
}
 
#initiate the tcp server
sub tcpServerInit {
    $tcpSlisten = IO::Socket::INET->new(Proto => "tcp", LocalPort => $hubport, Listen => 1, Reuse => 1)
                or die $!;
 
    $tcpSselect = IO::Select->new($tcpSlisten);
    print "Starting tcpServer\n";
}
 
#a client connected
sub tcpServerConn {
    $new = $tcpSlisten->accept;
    $tcpSselect->add($new);
    print $new->fileno . ": connected\n";
}
 
#a client disconnected
sub tcpServerClientDis {
    print $tcpSsocket->fileno . ": disconnected\n";
    $tcpSselect->remove($tcpSsocket);
    $tcpSsocket->close;
}
 
#subroutine sends data to all connected clients except for one specified 
sub tcpServerBroadcastExcept {
    my $first = 0;
    my $data = $_[0];
    my $exception = $_[1];
    for $eachsocket ($tcpSselect->handles) {
        if ($eachsocket==$tcpSlisten) {     #dont send to self
            next;
        } elsif ($eachsocket==$exception) {     #dont send to the specified exception
            next;
        } else {
            if ($first==0) {
                $first = 1;
                print "Sending to client ".$eachsocket->fileno;
            } else {
                print ", ".$eachsocket->fileno;
            }
            $eachsocket->send($data) or do {
                &tcpServerClientDis;
            }
        }
    }
    if ($first==1) {
        print "\n";
    }
}
 
##################### General functions ############################
 
#this function should do a number of tests on $_[0] and print messages if packet is malformed and return 1 in $_[2]
#messages can be suppressed by having $_[1] as 1
sub testPacket {
    my $input = $_[0];
    my $messages = $_[1];
   
    #line should be parsed somewhat here, check PKT, AUT and so on
    $testErr = 0;
    if (length($input) < 16) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, not long enough\n";}
    }
    if ($testErr == 0 && substr($input, 0, 4) != "PKT ") {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, should start with PKT\n";}
    }
    #if (substr($line, 12, 1) != " " || substr($line, 14, 1) != " ") {
    #   $testErr = 1;
    #   print "Packet was malformed, spaces not in the correct place\n";
    #}
    @splitinput = split(/ +/, $input);
    $inputarrlen = @splitinput;
    if ($testErr == 0 && ($inputarrlen < 4 || $inputarrlen > 12)) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, to many or to few parts\n";}
    }
    if ($testErr == 0 && length($splitinput[1]) != 8) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, id part must be 8 digits (padded with zeros)\n";}
    }
    if ($testErr == 0 && length($splitinput[2]) != 1) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, ext part must be 1 digit\n";}
    }
    if ($testErr == 0 && length($splitinput[3]) != 1) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, rtr part must be 1 digit\n";}
    }
    for ($i = 4; $i < $inputarrlen; $i++) {
        if ($testErr == 0 && length($splitinput[$i]) != 2) {
            $testErr = 1;
            if ($messages!=1) {print "Packet was malformed, data parts must be 2 digits (padded with zero)\n";}
        }
    }
    $checkstrlen = length($input)-4;
    $checkstr = substr($input, 4, $checkstrlen);
    if ($testErr == 0 && $checkstr !~ m/^[0-9a-fA-F ]*$/) {
        $testErr = 1;
        if ($messages!=1) {print "Packet was malformed, not hex\n";}
    }
   
    $_[2] = $testErr;
}
 
#this function should parse $_[0] (can2serial-data) and save in $_[1] as string
sub c2sToString {
    my $input = $_[0];
    my $output = "";
    #if not correct input data, then dont save anything in $_[1]
    if (ord(substr($input, 0, 1))==$C2SSTARTSTR && ord(substr($input, 16, 1))==$C2SENDSTR) {
        #$output = "boundaries=ok ";
        $id = ord(substr($input, 1, 1)) + ord(substr($input, 2, 1))*256 + ord(substr($input, 3, 1))*256*256 + ord(substr($input, 4, 1))*256*256*256;
        $ext = ord(substr($input, 5, 1));
        $rtr = ord(substr($input, 6, 1));
        $dl = ord(substr($input, 7, 1));
        if ($ext < 2 && $rtr < 2 && $dl < 9) {
            $output .= sprintf "%08x ", $id;
            $output .= $ext . " " . $rtr;
            for ($i = 0; $i < $dl; $i++) {
                $data = ord(substr($input, 8+$i, 1));
                $output .= sprintf " %02x", $data;
            }
            $_[1] = "PKT ".$output;
        } else {
            #print "debug: incorrect ext, rtr or dl\n";
 
        }
    } else {
        #print "debug: incorrect boundaries\n";
 
    }
}
 
#this function should parse $_[0] (string) and save in $_[1] as can2serial-data
sub stringToc2s {
    my $input = $_[0];
    my $output = "";
    #if not correct input data, then dont save anything in $_[1]
    if (length($input) > 15) {
        #minor checks, the data from the tcp-server should be valid
        @splitinput = split(/ +/, $input);
        $inputarrlen = @splitinput;
        if (substr($input, 0, 4) == "PKT " && substr($input, 12, 1) == " " && substr($input, 14, 1) == " " && $inputarrlen > 3 && $inputarrlen < 13) {
            $id = hex($splitinput[1]);
            $ext = hex($splitinput[2]);
            $rtr = hex($splitinput[3]);
            @data = @splitinput[4..($inputarrlen-1)];
            $dl = @data;
           
            $output .= chr($C2SSTARTSTR);
            $output .= chr($id & 0xff);
            $output .= chr(($id>>8) & 0xff);
            $output .= chr(($id>>16) & 0xff);
            $output .= chr(($id>>24) & 0xff);
            $output .= chr($ext);
            $output .= chr($rtr);
            $output .= chr($dl);
            for ($i = 0; $i < 8; $i++) {
                if ($i < $dl) {
                    $output .= chr(hex($data[$i]));
                } else {
                    $output .= chr(" ");
                }
            }
            $output .= chr($C2SENDSTR);
            $_[1] = $output;
        }
    }
}
 

Rev 889	Rev 907
1	#!/usr/bin/perl	1	#!/usr/bin/perl
2		2
3	#	3	#
4	# for use with serial ports, install module with apt-get install libdevice-serialport-perl	4	# for use with serial ports, install module with apt-get install libdevice-serialport-perl
5	#	5	#
6	#	6	#
7	#	7	#
8		8
9		9
10	$hubport = 1200;	10	$hubport = 1200;
11	#$udpip = "193.11.254.22";	11	#$udpip = "193.11.254.22";
12	#$udpport = 1100;	12	#$udpport = 1100;
13		13
14		14
15	require 5.002;	15	require 5.002;
16	use IO::Socket;	16	use IO::Socket;
17	use IO::Select;	17	use IO::Select;
18	use threads;	18	use threads;
19	use Getopt::Long;	19	use Getopt::Long;
-		20
-		21	use POSIX qw(setsid);
20		22
21	$binaryname = "canDaemon.pl";	23	$binaryname = "canDaemon.pl";
22	if ( @ARGV > 0 ) {	24	if ( @ARGV > 0 ) {
23	GetOptions( "baudrate=i" => \$baudarg, #	25	GetOptions( "baudrate=i" => \$baudarg, #
24	"server=s" => \$serverarg, #	26	"server=s" => \$serverarg, #
25	"port=i" => \$portarg, #	27	"port=i" => \$portarg, #
26	"tcpport=i" => \$tcpportarg, #	28	"tcpport=i" => \$tcpportarg, #
27	"device=s" => \$devicearg, #	29	"device=s" => \$devicearg, #
28	"help" => \$help, #	30	"help" => \$help, #
-		31	"xDaemon" => \$daemon, #
29	);	32	);
30	} else {	33	} else {
31	$help = 1;	34	$help = 1;
32	}	35	}
33		36
34	if ($help) {	37	if ($help) {
35	print "Usage ./$binaryname [options]\n";	38	print "Usage ./$binaryname [options]\n";
36	print "Options:\n";	39	print "Options:\n";
-		40	print " -x Make canDaemon detach as a UNIX daemon\n";
37	print " -d <device> (udp or /dev/ttyXYZ) Choose hardware for communication\n";	41	print " -d <device> (udp or /dev/ttyXYZ) Choose hardware for communication\n";
38	print " -b <baudrate> Baudrate, for serial devices\n";	42	print " -b <baudrate> Baudrate, for serial devices\n";
39	print " -s <server> Server, for udp devices\n";	43	print " -s <server> Server, for udp devices\n";
40	print " -p <port> Port, for udp devices\n";	44	print " -p <port> Port, for udp devices\n";
41	print " -t <tcpport> Port, for tcp server (default 1200)\n";	45	print " -t <tcpport> Port, for tcp server (default 1200)\n";
42	print " -h ~~<help>~~ Shows this usage\n";	46	print " -h Shows this usage\n";
43	print "\n";	47	print "\n";
44	print "example: ./$binaryname -d /dev/ttyUSB0 -b 38400\n";	48	print "example: ./$binaryname -d /dev/ttyUSB0 -b 38400\n";
45	print "example: ./$binaryname -d udp -s 192.168.0.10 -p 1100\n";	49	print "example: ./$binaryname -d udp -s 192.168.0.10 -p 1100\n";
46		50
47	exit 0;	51	exit 0;
48	}	52	}
49	if ($serverarg) {	53	if ($serverarg) {
50	$udpip = $serverarg;	54	$udpip = $serverarg;
51	}	55	}
52	#print $udpip;	56	#print $udpip;
53	if ($portarg) {	57	if ($portarg) {
54	$udpport = $portarg;	58	$udpport = $portarg;
55	}	59	}
56	if ($tcpportarg) {	60	if ($tcpportarg) {
57	$hubport = $tcpportarg;	61	$hubport = $tcpportarg;
-		62	}
-		63
-		64	if ($daemon) {
-		65	chdir '/' or die "Can't chdir to /: $!";
-		66	umask 0;
-		67	open STDIN, '/dev/null' or die "Can't read /dev/null: $!";
-		68	open STDOUT, '>/dev/null' or die "Can't write to /dev/null: $!";
-		69	#open STDERR, '>/dev/null' or die "Can't write to /dev/null: $!";
-		70	defined(my $pid = fork) or die "Can't fork: $!";
-		71	exit if $pid;
-		72	setsid or die "Can't start a new session: $!";
58	}	73	}
59		74
60	$C2SSTARTSTR = 253;	75	$C2SSTARTSTR = 253;
61	$C2SENDSTR = 250;	76	$C2SENDSTR = 250;
62	$C2PINGSTR = 251;	77	$C2PINGSTR = 251;
63		78
64	### create a tcp server ###	79	### create a tcp server ###
65	$linelength=1000;	80	$linelength=1000;
66	&tcpServerInit;	81	&tcpServerInit;
67	$thr = threads->new(\&tcpServerThread);	82	$thr = threads->new(\&tcpServerThread);
68	$thr->detach;	83	$thr->detach;
69		84
70	### create a connection to hardware ###	85	### create a connection to hardware ###
71	if ($devicearg) {	86	if ($devicearg) {
72	if ($devicearg =~ m/^udp$/) {	87	if ($devicearg =~ m/^udp$/) {
73	### if the hardware is an udp node ###	88	### if the hardware is an udp node ###
74	&udpServerInit;	89	&udpServerInit;
75	$thr = threads->new(\&udpServerThread);	90	$thr = threads->new(\&udpServerThread);
76	$thr->detach;	91	$thr->detach;
77	}	92	}
78	### else, the hardware is serial, check for device, this might not work in windows ###	93	### else, the hardware is serial, check for device, this might not work in windows ###
79	# elsif (-e $devicearg) {	94	# elsif (-e $devicearg) {
80	else {	95	else {
81	if (!$baudarg) {	96	if (!$baudarg) {
82	print "For a serial device you need to specifiy baudrate, now using default 19200\n";	97	print "For a serial device you need to specifiy baudrate, now using default 19200\n";
83	$baudarg = 19200;	98	$baudarg = 19200;
84	}	99	}
85		100
86	eval 'use Device::SerialPort'; ### install module with aptitude install libdevice-serialport-perl	101	eval 'use Device::SerialPort'; ### install module with aptitude install libdevice-serialport-perl
87	if ($@) {	102	if ($@) {
88	eval 'use Win32::SerialPort';	103	eval 'use Win32::SerialPort';
89	if ($@) {	104	if ($@) {
90	print "Could not find Device::SerialPort or Win32::SerialPort, I quit.\n";	105	print "Could not find Device::SerialPort or Win32::SerialPort, I quit.\n";
91	exit 0;	106	exit 0;
92	} else {	107	} else {
93	$usingWin32Serial = 1;	108	$usingWin32Serial = 1;
94	}	109	}
95	} else {	110	} else {
96	$usingDeviceSerial = 1;	111	$usingDeviceSerial = 1;
97	}	112	}
98		113
99	&serialConnInit;	114	&serialConnInit;
100	$thr = threads->new(\&serialConnThread);	115	$thr = threads->new(\&serialConnThread);
101	$thr->detach;	116	$thr->detach;
102	}	117	}
103	# } else {	118	# } else {
104	# print "Argument $devicearg is not correct\n";	119	# print "Argument $devicearg is not correct\n";
105	# exit 0;	120	# exit 0;
106	# }	121	# }
107	}	122	}
-		123
108		124
109	### loop here until user aborts with ctrl+c ###	125	### loop here until user aborts with ctrl+c ###
110	while (1) { sleep 1; }	126	while (1) { sleep 1; }
111		127
112		128
113	##################### Hardware connection to TCP HUB ############################	129	##################### Hardware connection to TCP HUB ############################
114	sub hardwareConnThread {	130	sub hardwareConnThread {
115	### Check for data from HUB ###	131	### Check for data from HUB ###
116	while ( $newmsg = <$hwCremote> ) {	132	while ( $newmsg = <$hwCremote> ) {
117	### Convert to can2serial format ###	133	### Convert to can2serial format ###
118	&stringToc2s($newmsg, $retstring);	134	&stringToc2s($newmsg, $retstring);
119	if ($retstring) {	135	if ($retstring) {
120	#print length($retstring)."\n";	136	#print length($retstring)."\n";
121	#&c2sToString($retstring, $newretstring);	137	#&c2sToString($retstring, $newretstring);
122	#print "TO SEND: ".$newretstring."\n";	138	#print "TO SEND: ".$newretstring."\n";
123	#print $udpCsocket $retstring;	139	#print $udpCsocket $retstring;
124		140
125	### Send data ###	141	### Send data ###
126	if (length($hardwareSendFunction) > 0) {	142	if (length($hardwareSendFunction) > 0) {
127	&{$hardwareSendFunction}($retstring);	143	&{$hardwareSendFunction}($retstring);
128	}	144	}
129		145
130	}	146	}
131	}	147	}
132	}	148	}
133		149
134	sub hardwareConnInit {	150	sub hardwareConnInit {
135	print "Connecting hardware to tcpServer\n";	151	print "Connecting hardware to tcpServer\n";
136	$hwCremote = IO::Socket::INET->new(Proto => "tcp", PeerAddr => "localhost", PeerPort => $hubport,)	152	$hwCremote = IO::Socket::INET->new(Proto => "tcp", PeerAddr => "localhost", PeerPort => $hubport,)
137	or die "cannot connect to $hubport port at localhost";	153	or die "cannot connect to $hubport port at localhost";
138	}	154	}
139		155
140	##################### Serial Connection ############################	156	##################### Serial Connection ############################
141	sub serialConnThread {	157	sub serialConnThread {
142	$serialBuffer = "";	158	$serialBuffer = "";
143	while(1) {	159	while(1) {
144	my ($count,$saw)=$serialPort->read(1); # will read _up to_ 1 chars	160	my ($count,$saw)=$serialPort->read(1); # will read _up to_ 1 chars
145	if ($count > 0) {	161	if ($count > 0) {
146	$serialBuffer.=$saw;	162	$serialBuffer.=$saw;
147	serialConnProcessBuffer($serialBuffer);	163	serialConnProcessBuffer($serialBuffer);
148	}	164	}
149	}	165	}
150	}	166	}
151		167
152	sub serialConnProcessBuffer {	168	sub serialConnProcessBuffer {
153	my $input = $_[0];	169	my $input = $_[0];
154	my $output = $input;	170	my $output = $input;
155	my $newmsg;	171	my $newmsg;
156	my $retstring;	172	my $retstring;
157		173
158	### Cut all leading chars that is not a start-char ###	174	### Cut all leading chars that is not a start-char ###
159	for ($i = 0; $i < length($input); $i++) {	175	for ($i = 0; $i < length($input); $i++) {
160	if (ord(substr($input, $i, 1)) == $C2SSTARTSTR) {	176	if (ord(substr($input, $i, 1)) == $C2SSTARTSTR) {
161	$input = substr($input, $i);	177	$input = substr($input, $i);
162	$output = $input;	178	$output = $input;
163	#print "debug: cutting character\n";	179	#print "debug: cutting character\n";
164	break;	180	break;
165	}	181	}
166	if (ord(substr($input, $i, 1)) == $C2PINGSTR) {	182	if (ord(substr($input, $i, 1)) == $C2PINGSTR) {
167	print "Got pong from hardware\n";	183	print "Got pong from hardware\n";
168	$input = substr($input, $i+1);	184	$input = substr($input, $i+1);
169	$output = $input;	185	$output = $input;
170	}	186	}
171	}	187	}
172	### Check for possible complete packets ###	188	### Check for possible complete packets ###
173	for ($i = 0; $i < length($input)-16; $i++) {	189	for ($i = 0; $i < length($input)-16; $i++) {
174	my $newmsg = substr($input, $i, 17);	190	my $newmsg = substr($input, $i, 17);
175	$retstring = "";	191	$retstring = "";
176	&c2sToString($newmsg, $retstring);	192	&c2sToString($newmsg, $retstring);
177	if (length($retstring)>0) {	193	if (length($retstring)>0) {
178	if ($hwCremote) {	194	if ($hwCremote) {
179	### Send to tcp hub ###	195	### Send to tcp hub ###
180	print $hwCremote $retstring . "\n";	196	print $hwCremote $retstring . "\n";
181	}	197	}
182	#print $retstring."\n";	198	#print $retstring."\n";
183	$output = substr($input, $i+17);	199	$output = substr($input, $i+17);
184	$i+=16;	200	$i+=16;
185	}	201	}
186	}	202	}
187		203
188	### Store modified buffer ###	204	### Store modified buffer ###
189	$_[0] = $output;	205	$_[0] = $output;
190	}	206	}
191		207
192	sub serialConnInit {	208	sub serialConnInit {
193	print "Connecting to hardware over serial port\n";	209	print "Connecting to hardware over serial port\n";
194	$quiet=0;	210	$quiet=0;
195	if ($usingDeviceSerial == 1) {	211	if ($usingDeviceSerial == 1) {
196	$serialPort = new Device::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";	212	$serialPort = new Device::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";
197	} elsif ($usingWin32Serial == 1) {	213	} elsif ($usingWin32Serial == 1) {
198	$serialPort = new Win32::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";	214	$serialPort = new Win32::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";
199	}	215	}
200	$serialPort->databits(8) \|\| die "failed setting databits";	216	$serialPort->databits(8) \|\| die "failed setting databits";
201	$serialPort->baudrate($baudarg) \|\| die "failed setting baudrate";	217	$serialPort->baudrate($baudarg) \|\| die "failed setting baudrate";
202	$serialPort->parity("none") \|\| die "failed setting parity";	218	$serialPort->parity("none") \|\| die "failed setting parity";
203	$serialPort->stopbits(1) \|\| die "failed setting stopbits";	219	$serialPort->stopbits(1) \|\| die "failed setting stopbits";
204	$serialPort->handshake("none") \|\| die "failed setting handshake";	220	$serialPort->handshake("none") \|\| die "failed setting handshake";
205	$serialPort->write_settings \|\| die "no settings";	221	$serialPort->write_settings \|\| die "no settings";
206		222
207	$serialPort->read_char_time(0); # don't wait for each character	223	$serialPort->read_char_time(0); # don't wait for each character
208	$serialPort->read_const_time(1000); # 1 second per unfulfilled "read" call	224	$serialPort->read_const_time(1000); # 1 second per unfulfilled "read" call
209		225
210	print "Testing connection to hardware: ping (hardware should answer with a pong)\n";	226	print "Testing connection to hardware: ping (hardware should answer with a pong)\n";
211	serialConnSend(chr($C2PINGSTR));	227	serialConnSend(chr($C2PINGSTR));
212		228
213	### create a connection between the hardware and the tcp-server ###	229	### create a connection between the hardware and the tcp-server ###
214	&hardwareConnInit;	230	&hardwareConnInit;
215	$hardwareSendFunction = "serialConnSend"; ### set up callback for a 'send data' function	231	$hardwareSendFunction = "serialConnSend"; ### set up callback for a 'send data' function
216	$thr = threads->new(\&hardwareConnThread);	232	$thr = threads->new(\&hardwareConnThread);
217	$thr->detach;	233	$thr->detach;
218	}	234	}
219		235
220	sub serialConnSend {	236	sub serialConnSend {
221	$cnt = $serialPort->write($_[0]);	237	$cnt = $serialPort->write($_[0]);
222	}	238	}
223		239
224	##################### UDP Connection ############################	240	##################### UDP Connection ############################
225	sub udpServerThread {	241	sub udpServerThread {
226	$MAXLEN = 1024;	242	$MAXLEN = 1024;
227	my $newmsg;	243	my $newmsg;
228	my $retstring;	244	my $retstring;
229	while ($udpSsocket->recv($newmsg, $MAXLEN)) {	245	while ($udpSsocket->recv($newmsg, $MAXLEN)) {
230	my($udpport, $ipaddr) = sockaddr_in($udpSsocket->peername);	246	my($udpport, $ipaddr) = sockaddr_in($udpSsocket->peername);
231	$peer_addr = inet_ntoa($ipaddr);	247	$peer_addr = inet_ntoa($ipaddr);
232		248
233	### check ipaddr to ip in commandlinearg ###	249	### check ipaddr to ip in commandlinearg ###
234	if ($udpip == $peer_addr) {	250	if ($udpip == $peer_addr) {
235	#check len of incomming data	251	#check len of incomming data
236	if (length($newmsg) > 16 && length($newmsg) < 20) {	252	if (length($newmsg) > 16 && length($newmsg) < 20) {
237	$retstring = "";	253	$retstring = "";
238	&c2sToString($newmsg, $retstring);	254	&c2sToString($newmsg, $retstring);
239	if (length($retstring) > 0 && $hwCremote) {	255	if (length($retstring) > 0 && $hwCremote) {
240	print $hwCremote $retstring . "\n";	256	print $hwCremote $retstring . "\n";
241	}	257	}
242	}	258	}
243	}	259	}
244	}	260	}
245		261
246	}	262	}
247		263
248	sub udpServerInit {	264	sub udpServerInit {
249	print "Starting udpServer\n";	265	print "Starting udpServer\n";
250	$udpSsocket = IO::Socket::INET->new(LocalPort => $udpport, Proto => 'udp')	266	$udpSsocket = IO::Socket::INET->new(LocalPort => $udpport, Proto => 'udp')
251	or die "socket: $@";	267	or die "socket: $@";
252		268
253	$udpCsocket = IO::Socket::INET->new(PeerPort => $udpport, Proto => 'udp', PeerAddr => $udpip)	269	$udpCsocket = IO::Socket::INET->new(PeerPort => $udpport, Proto => 'udp', PeerAddr => $udpip)
254	or die "socket: $@";	270	or die "socket: $@";
255		271
256	#här ska keep-alive/start-paket skickas till ipt enligt commandline-arg	272	#här ska keep-alive/start-paket skickas till ipt enligt commandline-arg
257		273
258	### create a connection between the hardware and the tcp-server ###	274	### create a connection between the hardware and the tcp-server ###
259	&hardwareConnInit;	275	&hardwareConnInit;
260	$hardwareSendFunction = "udpServerSend"; ### set up callback for a 'send data' function	276	$hardwareSendFunction = "udpServerSend"; ### set up callback for a 'send data' function
261	$thr = threads->new(\&hardwareConnThread);	277	$thr = threads->new(\&hardwareConnThread);
262	$thr->detach;	278	$thr->detach;
263		279
264	}	280	}
265		281
266	sub udpServerSend {	282	sub udpServerSend {
267	print $udpCsocket $_[0];	283	print $udpCsocket $_[0];
268	}	284	}
269		285
270	##################### TCP HUB ############################	286	##################### TCP HUB ############################
271	sub tcpServerThread {	287	sub tcpServerThread {
272	while(@ready = $tcpSselect->can_read) {	288	while(@ready = $tcpSselect->can_read) {
273	for $tcpSsocket (@ready) {	289	for $tcpSsocket (@ready) {
274	if($tcpSsocket == $tcpSlisten) {	290	if($tcpSsocket == $tcpSlisten) {
275	&tcpServerConn;	291	&tcpServerConn;
276	} else {	292	} else {
277	$tcpSsocket->recv($line,$linelength);	293	$tcpSsocket->recv($line,$linelength);
278	if ($line eq "") {	294	if ($line eq "") {
279	&tcpServerClientDis;	295	&tcpServerClientDis;
280	} else {	296	} else {
281	$line =~ s/\n.*//gm; #remove newline and everything after it	297	$line =~ s/\n.*//gm; #remove newline and everything after it
282	$line =~ s/\r.*//gm; #remove linefeed and everything after it	298	$line =~ s/\r.*//gm; #remove linefeed and everything after it
283	print "Got packet '".$line."' from client ".$tcpSsocket->fileno."\n";	299	print "Got packet '".$line."' from client ".$tcpSsocket->fileno."\n";
284		300
285	$rxerror = 0;	301	$rxerror = 0;
286	testPacket($line, 0, $rxerror);	302	testPacket($line, 0, $rxerror);
287		303
288	if ($rxerror == 0) {	304	if ($rxerror == 0) {
289	#Add newline to each packet	305	#Add newline to each packet
290	$line .= "\n";	306	$line .= "\n";
291		307
292	&tcpServerBroadcastExcept($line, $tcpSsocket);	308	&tcpServerBroadcastExcept($line, $tcpSsocket);
293	}	309	}
294	}	310	}
295	}	311	}
296	}	312	}
297	}	313	}
298	}	314	}
299		315
300	#initiate the tcp server	316	#initiate the tcp server
301	sub tcpServerInit {	317	sub tcpServerInit {
302	$tcpSlisten = IO::Socket::INET->new(Proto => "tcp", LocalPort => $hubport, Listen => 1, Reuse => 1)	318	$tcpSlisten = IO::Socket::INET->new(Proto => "tcp", LocalPort => $hubport, Listen => 1, Reuse => 1)
303	or die $!;	319	or die $!;
304		320
305	$tcpSselect = IO::Select->new($tcpSlisten);	321	$tcpSselect = IO::Select->new($tcpSlisten);
306	print "Starting tcpServer\n";	322	print "Starting tcpServer\n";
307	}	323	}
308		324
309	#a client connected	325	#a client connected
310	sub tcpServerConn {	326	sub tcpServerConn {
311	$new = $tcpSlisten->accept;	327	$new = $tcpSlisten->accept;
312	$tcpSselect->add($new);	328	$tcpSselect->add($new);
313	print $new->fileno . ": connected\n";	329	print $new->fileno . ": connected\n";
314	}	330	}
315		331
316	#a client disconnected	332	#a client disconnected
317	sub tcpServerClientDis {	333	sub tcpServerClientDis {
318	print $tcpSsocket->fileno . ": disconnected\n";	334	print $tcpSsocket->fileno . ": disconnected\n";
319	$tcpSselect->remove($tcpSsocket);	335	$tcpSselect->remove($tcpSsocket);
320	$tcpSsocket->close;	336	$tcpSsocket->close;
321	}	337	}
322		338
323	#subroutine sends data to all connected clients except for one specified	339	#subroutine sends data to all connected clients except for one specified
324	sub tcpServerBroadcastExcept {	340	sub tcpServerBroadcastExcept {
325	my $first = 0;	341	my $first = 0;
326	my $data = $_[0];	342	my $data = $_[0];
327	my $exception = $_[1];	343	my $exception = $_[1];
328	for $eachsocket ($tcpSselect->handles) {	344	for $eachsocket ($tcpSselect->handles) {
329	if ($eachsocket==$tcpSlisten) { #dont send to self	345	if ($eachsocket==$tcpSlisten) { #dont send to self
330	next;	346	next;
331	} elsif ($eachsocket==$exception) { #dont send to the specified exception	347	} elsif ($eachsocket==$exception) { #dont send to the specified exception
332	next;	348	next;
333	} else {	349	} else {
334	if ($first==0) {	350	if ($first==0) {
335	$first = 1;	351	$first = 1;
336	print "Sending to client ".$eachsocket->fileno;	352	print "Sending to client ".$eachsocket->fileno;
337	} else {	353	} else {
338	print ", ".$eachsocket->fileno;	354	print ", ".$eachsocket->fileno;
339	}	355	}
340	$eachsocket->send($data) or do {	356	$eachsocket->send($data) or do {
341	&tcpServerClientDis;	357	&tcpServerClientDis;
342	}	358	}
343	}	359	}
344	}	360	}
345	if ($first==1) {	361	if ($first==1) {
346	print "\n";	362	print "\n";
347	}	363	}
348	}	364	}
349		365
350	##################### General functions ############################	366	##################### General functions ############################
351		367
352	#this function should do a number of tests on $_[0] and print messages if packet is malformed and return 1 in $_[2]	368	#this function should do a number of tests on $_[0] and print messages if packet is malformed and return 1 in $_[2]
353	#messages can be suppressed by having $_[1] as 1	369	#messages can be suppressed by having $_[1] as 1
354	sub testPacket {	370	sub testPacket {
355	my $input = $_[0];	371	my $input = $_[0];
356	my $messages = $_[1];	372	my $messages = $_[1];
357		373
358	#line should be parsed somewhat here, check PKT, AUT and so on	374	#line should be parsed somewhat here, check PKT, AUT and so on
359	$testErr = 0;	375	$testErr = 0;
360	if (length($input) < 16) {	376	if (length($input) < 16) {
361	$testErr = 1;	377	$testErr = 1;
362	if ($messages!=1) {print "Packet was malformed, not long enough\n";}	378	if ($messages!=1) {print "Packet was malformed, not long enough\n";}
363	}	379	}
364	if ($testErr == 0 && substr($input, 0, 4) != "PKT ") {	380	if ($testErr == 0 && substr($input, 0, 4) != "PKT ") {
365	$testErr = 1;	381	$testErr = 1;
366	if ($messages!=1) {print "Packet was malformed, should start with PKT\n";}	382	if ($messages!=1) {print "Packet was malformed, should start with PKT\n";}
367	}	383	}
368	#if (substr($line, 12, 1) != " " \|\| substr($line, 14, 1) != " ") {	384	#if (substr($line, 12, 1) != " " \|\| substr($line, 14, 1) != " ") {
369	# $testErr = 1;	385	# $testErr = 1;
370	# print "Packet was malformed, spaces not in the correct place\n";	386	# print "Packet was malformed, spaces not in the correct place\n";
371	#}	387	#}
372	@splitinput = split(/ +/, $input);	388	@splitinput = split(/ +/, $input);
373	$inputarrlen = @splitinput;	389	$inputarrlen = @splitinput;
374	if ($testErr == 0 && ($inputarrlen < 4 \|\| $inputarrlen > 12)) {	390	if ($testErr == 0 && ($inputarrlen < 4 \|\| $inputarrlen > 12)) {
375	$testErr = 1;	391	$testErr = 1;
376	if ($messages!=1) {print "Packet was malformed, to many or to few parts\n";}	392	if ($messages!=1) {print "Packet was malformed, to many or to few parts\n";}
377	}	393	}
378	if ($testErr == 0 && length($splitinput[1]) != 8) {	394	if ($testErr == 0 && length($splitinput[1]) != 8) {
379	$testErr = 1;	395	$testErr = 1;
380	if ($messages!=1) {print "Packet was malformed, id part must be 8 digits (padded with zeros)\n";}	396	if ($messages!=1) {print "Packet was malformed, id part must be 8 digits (padded with zeros)\n";}
381	}	397	}
382	if ($testErr == 0 && length($splitinput[2]) != 1) {	398	if ($testErr == 0 && length($splitinput[2]) != 1) {
383	$testErr = 1;	399	$testErr = 1;
384	if ($messages!=1) {print "Packet was malformed, ext part must be 1 digit\n";}	400	if ($messages!=1) {print "Packet was malformed, ext part must be 1 digit\n";}
385	}	401	}
386	if ($testErr == 0 && length($splitinput[3]) != 1) {	402	if ($testErr == 0 && length($splitinput[3]) != 1) {
387	$testErr = 1;	403	$testErr = 1;
388	if ($messages!=1) {print "Packet was malformed, rtr part must be 1 digit\n";}	404	if ($messages!=1) {print "Packet was malformed, rtr part must be 1 digit\n";}
389	}	405	}
390	for ($i = 4; $i < $inputarrlen; $i++) {	406	for ($i = 4; $i < $inputarrlen; $i++) {
391	if ($testErr == 0 && length($splitinput[$i]) != 2) {	407	if ($testErr == 0 && length($splitinput[$i]) != 2) {
392	$testErr = 1;	408	$testErr = 1;
393	if ($messages!=1) {print "Packet was malformed, data parts must be 2 digits (padded with zero)\n";}	409	if ($messages!=1) {print "Packet was malformed, data parts must be 2 digits (padded with zero)\n";}
394	}	410	}
395	}	411	}
396	$checkstrlen = length($input)-4;	412	$checkstrlen = length($input)-4;
397	$checkstr = substr($input, 4, $checkstrlen);	413	$checkstr = substr($input, 4, $checkstrlen);
398	if ($testErr == 0 && $checkstr !~ m/^[0-9a-fA-F ]*$/) {	414	if ($testErr == 0 && $checkstr !~ m/^[0-9a-fA-F ]*$/) {
399	$testErr = 1;	415	$testErr = 1;
400	if ($messages!=1) {print "Packet was malformed, not hex\n";}	416	if ($messages!=1) {print "Packet was malformed, not hex\n";}
401	}	417	}
402		418
403	$_[2] = $testErr;	419	$_[2] = $testErr;
404	}	420	}
405		421
406	#this function should parse $_[0] (can2serial-data) and save in $_[1] as string	422	#this function should parse $_[0] (can2serial-data) and save in $_[1] as string
407	sub c2sToString {	423	sub c2sToString {
408	my $input = $_[0];	424	my $input = $_[0];
409	my $output = "";	425	my $output = "";
410	#if not correct input data, then dont save anything in $_[1]	426	#if not correct input data, then dont save anything in $_[1]
411	if (ord(substr($input, 0, 1))==$C2SSTARTSTR && ord(substr($input, 16, 1))==$C2SENDSTR) {	427	if (ord(substr($input, 0, 1))==$C2SSTARTSTR && ord(substr($input, 16, 1))==$C2SENDSTR) {
412	#$output = "boundaries=ok ";	428	#$output = "boundaries=ok ";
413	$id = ord(substr($input, 1, 1)) + ord(substr($input, 2, 1))256 + ord(substr($input, 3, 1))256256 + ord(substr($input, 4, 1))256256256;	429	$id = ord(substr($input, 1, 1)) + ord(substr($input, 2, 1))256 + ord(substr($input, 3, 1))256256 + ord(substr($input, 4, 1))256256256;
414	$ext = ord(substr($input, 5, 1));	430	$ext = ord(substr($input, 5, 1));
415	$rtr = ord(substr($input, 6, 1));	431	$rtr = ord(substr($input, 6, 1));
416	$dl = ord(substr($input, 7, 1));	432	$dl = ord(substr($input, 7, 1));
417	if ($ext < 2 && $rtr < 2 && $dl < 9) {	433	if ($ext < 2 && $rtr < 2 && $dl < 9) {
418	$output .= sprintf "%08x ", $id;	434	$output .= sprintf "%08x ", $id;
419	$output .= $ext . " " . $rtr;	435	$output .= $ext . " " . $rtr;
420	for ($i = 0; $i < $dl; $i++) {	436	for ($i = 0; $i < $dl; $i++) {
421	$data = ord(substr($input, 8+$i, 1));	437	$data = ord(substr($input, 8+$i, 1));
422	$output .= sprintf " %02x", $data;	438	$output .= sprintf " %02x", $data;
423	}	439	}
424	$_[1] = "PKT ".$output;	440	$_[1] = "PKT ".$output;
425	} else {	441	} else {
426	#print "debug: incorrect ext, rtr or dl\n";	442	#print "debug: incorrect ext, rtr or dl\n";
427		443
428	}	444	}
429	} else {	445	} else {
430	#print "debug: incorrect boundaries\n";	446	#print "debug: incorrect boundaries\n";
431		447
432	}	448	}
433	}	449	}
434		450
435	#this function should parse $_[0] (string) and save in $_[1] as can2serial-data	451	#this function should parse $_[0] (string) and save in $_[1] as can2serial-data
436	sub stringToc2s {	452	sub stringToc2s {
437	my $input = $_[0];	453	my $input = $_[0];
438	my $output = "";	454	my $output = "";
439	#if not correct input data, then dont save anything in $_[1]	455	#if not correct input data, then dont save anything in $_[1]
440	if (length($input) > 15) {	456	if (length($input) > 15) {
441	#minor checks, the data from the tcp-server should be valid	457	#minor checks, the data from the tcp-server should be valid
442	@splitinput = split(/ +/, $input);	458	@splitinput = split(/ +/, $input);
443	$inputarrlen = @splitinput;	459	$inputarrlen = @splitinput;
444	if (substr($input, 0, 4) == "PKT " && substr($input, 12, 1) == " " && substr($input, 14, 1) == " " && $inputarrlen > 3 && $inputarrlen < 13) {	460	if (substr($input, 0, 4) == "PKT " && substr($input, 12, 1) == " " && substr($input, 14, 1) == " " && $inputarrlen > 3 && $inputarrlen < 13) {
445	$id = hex($splitinput[1]);	461	$id = hex($splitinput[1]);
446	$ext = hex($splitinput[2]);	462	$ext = hex($splitinput[2]);
447	$rtr = hex($splitinput[3]);	463	$rtr = hex($splitinput[3]);
448	@data = @splitinput[4..($inputarrlen-1)];	464	@data = @splitinput[4..($inputarrlen-1)];
449	$dl = @data;	465	$dl = @data;
450		466
451	$output .= chr($C2SSTARTSTR);	467	$output .= chr($C2SSTARTSTR);
452	$output .= chr($id & 0xff);	468	$output .= chr($id & 0xff);
453	$output .= chr(($id>>8) & 0xff);	469	$output .= chr(($id>>8) & 0xff);
454	$output .= chr(($id>>16) & 0xff);	470	$output .= chr(($id>>16) & 0xff);
455	$output .= chr(($id>>24) & 0xff);	471	$output .= chr(($id>>24) & 0xff);
456	$output .= chr($ext);	472	$output .= chr($ext);
457	$output .= chr($rtr);	473	$output .= chr($rtr);
458	$output .= chr($dl);	474	$output .= chr($dl);
459	for ($i = 0; $i < 8; $i++) {	475	for ($i = 0; $i < 8; $i++) {
460	if ($i < $dl) {	476	if ($i < $dl) {
461	$output .= chr(hex($data[$i]));	477	$output .= chr(hex($data[$i]));
462	} else {	478	} else {
463	$output .= chr(" ");	479	$output .= chr(" ");
464	}	480	}
465	}	481	}
466	$output .= chr($C2SENDSTR);	482	$output .= chr($C2SENDSTR);
467	$_[1] = $output;	483	$_[1] = $output;
468	}	484	}
469	}	485	}
470	}	486	}
471		487

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(root)/trunk/PcSoftware/scripts/canDaemon/canDaemon.pl/ – Rev 889 → 907