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


#!/usr/bin/perl
 
 
$hubport = 1200;
#$udpip = "193.11.254.22";
#$udpport = 1100;
 
 
require 5.002;
use IO::Socket;
use IO::Select;
use threads;
use Getopt::Long;
 
$binaryname = "canDaemon.pl";
if ( @ARGV > 0 ) {
    GetOptions( "baudrate=i"    => \$baudarg,   #
            "server=s"  => \$serverarg,         #
            "port=i"    => \$portarg,           #
            "tcpport=i" => \$tcpportarg,        #
            "device=s"  => \$devicearg,         #
            "help"      => \$help,              #
                        );
}
if ($help) {
    print "Usage ./$binaryname [options]\n";
    print "Options:\n";
    print "  -d <device> (udp or /dev/ttyXYZ)       Choose hardware for communication\n";
    print "  -b <baudrate>              Baudrate, for serial devices\n";
    print "  -s <server>                    Server, for udp devices\n";
    print "  -p <port>                  Port, for udp devices\n";
    print "  -t <tcpport>                   Port, for tcp server (default 1200)\n";
    print "  -h <help>                  Shows this usage\n";
    print "\n";
    print "example: ./$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;
}
 
$C2SSTARTSTR = 253;
$C2SENDSTR = 250;
 
### 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, $i);
            break;
        }
    }
    ### Check for possible complete packets ###
    for ($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
 
    ### 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;
        }
    }
}
 
#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 633	Rev 650
1	#!/usr/bin/perl	1	#!/usr/bin/perl
2		2
3		3
4	$hubport = 1200;	4	$hubport = 1200;
5	#$udpip = "193.11.254.22";	5	#$udpip = "193.11.254.22";
6	#$udpport = 1100;	6	#$udpport = 1100;
7		7
8		8
9	require 5.002;	9	require 5.002;
10	use IO::Socket;	10	use IO::Socket;
11	use IO::Select;	11	use IO::Select;
12	use threads;	12	use threads;
13	use Getopt::Long;	13	use Getopt::Long;
14		14
15	$binaryname = "canDaemon.pl";	15	$binaryname = "canDaemon.pl";
16	if ( @ARGV > 0 ) {	16	if ( @ARGV > 0 ) {
17	GetOptions( "baudrate=i" => \$baudarg, #	17	GetOptions( "baudrate=i" => \$baudarg, #
18	"server=s" => \$serverarg, #	18	"server=s" => \$serverarg, #
19	"port=i" => \$portarg, #	19	"port=i" => \$portarg, #
20	"tcpport=i" => \$tcpportarg, #	20	"tcpport=i" => \$tcpportarg, #
21	"device=s" => \$devicearg, #	21	"device=s" => \$devicearg, #
22	"help" => \$help, #	22	"help" => \$help, #
23	);	23	);
24	}	24	}
25	if ($help) {	25	if ($help) {
26	print "Usage ./$binaryname [options]\n";	26	print "Usage ./$binaryname [options]\n";
27	print "Options:\n";	27	print "Options:\n";
28	print " -d <device> (udp or /dev/ttyXYZ) Choose hardware for communication\n";	28	print " -d <device> (udp or /dev/ttyXYZ) Choose hardware for communication\n";
29	print " -b <baudrate> Baudrate, for serial devices\n";	29	print " -b <baudrate> Baudrate, for serial devices\n";
30	print " -s <server> Server, for udp devices\n";	30	print " -s <server> Server, for udp devices\n";
31	print " -p <port> Port, for udp devices\n";	31	print " -p <port> Port, for udp devices\n";
32	print " -t <tcpport> Port, for tcp server (default 1200)\n";	32	print " -t <tcpport> Port, for tcp server (default 1200)\n";
33	print " -h <help> Shows this usage\n";	33	print " -h <help> Shows this usage\n";
34	print "\n";	34	print "\n";
35	print "example: ./$binaryname -d /dev/ttyUSB0 -b 38400\n";	35	print "example: ./$binaryname -d /dev/ttyUSB0 -b 38400\n";
36	print "example: ./$binaryname -d udp -s 192.168.0.10 -p 1100\n";	36	print "example: ./$binaryname -d udp -s 192.168.0.10 -p 1100\n";
37		37
38	exit 0;	38	exit 0;
39	}	39	}
40	if ($serverarg) {	40	if ($serverarg) {
41	$udpip = $serverarg;	41	$udpip = $serverarg;
42	}	42	}
43	#print $udpip;	43	#print $udpip;
44	if ($portarg) {	44	if ($portarg) {
45	$udpport = $portarg;	45	$udpport = $portarg;
46	}	46	}
47	if ($tcpportarg) {	47	if ($tcpportarg) {
48	$hubport = $tcpportarg;	48	$hubport = $tcpportarg;
49	}	49	}
50		50
51	$C2SSTARTSTR = 253;	51	$C2SSTARTSTR = 253;
52	$C2SENDSTR = 250;	52	$C2SENDSTR = 250;
53		53
54	### create a tcp server ###	54	### create a tcp server ###
55	$linelength=1000;	55	$linelength=1000;
56	&tcpServerInit;	56	&tcpServerInit;
57	$thr = threads->new(\&tcpServerThread);	57	$thr = threads->new(\&tcpServerThread);
58	$thr->detach;	58	$thr->detach;
59		59
60	### create a connection to hardware ###	60	### create a connection to hardware ###
61	if ($devicearg) {	61	if ($devicearg) {
62	if ($devicearg =~ m/^udp$/) {	62	if ($devicearg =~ m/^udp$/) {
63	### if the hardware is an udp node ###	63	### if the hardware is an udp node ###
64	&udpServerInit;	64	&udpServerInit;
65	$thr = threads->new(\&udpServerThread);	65	$thr = threads->new(\&udpServerThread);
66	$thr->detach;	66	$thr->detach;
67	}	67	}
68	### else, the hardware is serial, check for device, this might not work in windows ###	68	### else, the hardware is serial, check for device, this might not work in windows ###
69	# elsif (-e $devicearg) {	69	# elsif (-e $devicearg) {
-		70	else {
70	if (!$baudarg) {	71	if (!$baudarg) {
71	print "For a serial device you need to specifiy baudrate, now using default 19200\n";	72	print "For a serial device you need to specifiy baudrate, now using default 19200\n";
72	$baudarg = 19200;	73	$baudarg = 19200;
73	}	74	}
74		75
75	eval 'use Device::SerialPort'; ### install module with aptitude install libdevice-serialport-perl	76	eval 'use Device::SerialPort'; ### install module with aptitude install libdevice-serialport-perl
76	if ($@) {	77	if ($@) {
77	eval 'use Win32::SerialPort';	78	eval 'use Win32::SerialPort';
78	if ($@) {	79	if ($@) {
79	print "Could not find Device::SerialPort or Win32::SerialPort, I quit.\n";	80	print "Could not find Device::SerialPort or Win32::SerialPort, I quit.\n";
80	exit 0;	81	exit 0;
81	} else {	82	} else {
82	$usingWin32Serial = 1;	83	$usingWin32Serial = 1;
83	}	84	}
84	} else {	85	} else {
85	$usingDeviceSerial = 1;	86	$usingDeviceSerial = 1;
86	}	87	}
87		88
88	&serialConnInit;	89	&serialConnInit;
89	$thr = threads->new(\&serialConnThread);	90	$thr = threads->new(\&serialConnThread);
90	$thr->detach;	91	$thr->detach;
91		92	}
92	# } else {	93	# } else {
93	# print "Argument $devicearg is not correct\n";	94	# print "Argument $devicearg is not correct\n";
94	# exit 0;	95	# exit 0;
95	# }	96	# }
96	}	97	}
97		98
98	### loop here until user aborts with ctrl+c ###	99	### loop here until user aborts with ctrl+c ###
99	while (1) { sleep 1; }	100	while (1) { sleep 1; }
100		101
101		102
102	##################### Hardware connection to TCP HUB ############################	103	##################### Hardware connection to TCP HUB ############################
103	sub hardwareConnThread {	104	sub hardwareConnThread {
104	### Check for data from HUB ###	105	### Check for data from HUB ###
105	while ( $newmsg = <$hwCremote> ) {	106	while ( $newmsg = <$hwCremote> ) {
106	### Convert to can2serial format ###	107	### Convert to can2serial format ###
107	&stringToc2s($newmsg, $retstring);	108	&stringToc2s($newmsg, $retstring);
108	if ($retstring) {	109	if ($retstring) {
109	#print length($retstring)."\n";	110	#print length($retstring)."\n";
110	#&c2sToString($retstring, $newretstring);	111	#&c2sToString($retstring, $newretstring);
111	#print "TO SEND: ".$newretstring."\n";	112	#print "TO SEND: ".$newretstring."\n";
112	#print $udpCsocket $retstring;	113	#print $udpCsocket $retstring;
113		114
114	### Send data ###	115	### Send data ###
115	if (length($hardwareSendFunction) > 0) {	116	if (length($hardwareSendFunction) > 0) {
116	&{$hardwareSendFunction}($retstring);	117	&{$hardwareSendFunction}($retstring);
117	}	118	}
118		119
119	}	120	}
120	}	121	}
121	}	122	}
122		123
123	sub hardwareConnInit {	124	sub hardwareConnInit {
124	print "Connecting hardware to tcpServer\n";	125	print "Connecting hardware to tcpServer\n";
125	$hwCremote = IO::Socket::INET->new(Proto => "tcp", PeerAddr => "localhost", PeerPort => $hubport,)	126	$hwCremote = IO::Socket::INET->new(Proto => "tcp", PeerAddr => "localhost", PeerPort => $hubport,)
126	or die "cannot connect to $hubport port at localhost";	127	or die "cannot connect to $hubport port at localhost";
127	}	128	}
128		129
129	##################### Serial Connection ############################	130	##################### Serial Connection ############################
130	sub serialConnThread {	131	sub serialConnThread {
131	$serialBuffer = "";	132	$serialBuffer = "";
132	while(1) {	133	while(1) {
133	my ($count,$saw)=$serialPort->read(1); # will read _up to_ 1 chars	134	my ($count,$saw)=$serialPort->read(1); # will read _up to_ 1 chars
134	if ($count > 0) {	135	if ($count > 0) {
135	$serialBuffer.=$saw;	136	$serialBuffer.=$saw;
136	serialConnProcessBuffer($serialBuffer);	137	serialConnProcessBuffer($serialBuffer);
137	}	138	}
138	}	139	}
139	}	140	}
140		141
141	sub serialConnProcessBuffer {	142	sub serialConnProcessBuffer {
142	my $input = $_[0];	143	my $input = $_[0];
143	my $output = $input;	144	my $output = $input;
144	my $newmsg;	145	my $newmsg;
145	my $retstring;	146	my $retstring;
146		147
147	### Cut all leading chars that is not a start-char ###	148	### Cut all leading chars that is not a start-char ###
148	for ($i = 0; $i < length($input); $i++) {	149	for ($i = 0; $i < length($input); $i++) {
149	if (ord(substr($input, $i, 1)) == $C2SSTARTSTR) {	150	if (ord(substr($input, $i, 1)) == $C2SSTARTSTR) {
150	$input = substr($input, $i);	151	$input = substr($input, $i);
151	break;	152	break;
152	}	153	}
153	}	154	}
154	### Check for possible complete packets ###	155	### Check for possible complete packets ###
155	for ($i = 0; $i < length($input)-16; $i++) {	156	for ($i = 0; $i < length($input)-16; $i++) {
156	my $newmsg = substr($input, $i, 17);	157	my $newmsg = substr($input, $i, 17);
157	$retstring = "";	158	$retstring = "";
158	&c2sToString($newmsg, $retstring);	159	&c2sToString($newmsg, $retstring);
159	if (length($retstring)>0) {	160	if (length($retstring)>0) {
160	if ($hwCremote) {	161	if ($hwCremote) {
161	### Send to tcp hub ###	162	### Send to tcp hub ###
162	print $hwCremote $retstring . "\n";	163	print $hwCremote $retstring . "\n";
163	}	164	}
164	#print $retstring."\n";	165	#print $retstring."\n";
165	$output = substr($input, $i+17);	166	$output = substr($input, $i+17);
166	$i+=16;	167	$i+=16;
167	}	168	}
168	}	169	}
169		170
170	### Store modified buffer ###	171	### Store modified buffer ###
171	$_[0] = $output;	172	$_[0] = $output;
172	}	173	}
173		174
174	sub serialConnInit {	175	sub serialConnInit {
175	print "Connecting to hardware over serial port\n";	176	print "Connecting to hardware over serial port\n";
176	$quiet=0;	177	$quiet=0;
177	if ($usingDeviceSerial == 1) {	178	if ($usingDeviceSerial == 1) {
178	$serialPort = new Device::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";	179	$serialPort = new Device::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";
179	} elsif ($usingWin32Serial == 1) {	180	} elsif ($usingWin32Serial == 1) {
180	$serialPort = new Win32::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";	181	$serialPort = new Win32::SerialPort($devicearg, $quiet) \|\| die "failed to open serial port, $devicearg is not valid?";
181	}	182	}
182	$serialPort->databits(8) \|\| die "failed setting databits";	183	$serialPort->databits(8) \|\| die "failed setting databits";
183	$serialPort->baudrate($baudarg) \|\| die "failed setting baudrate";	184	$serialPort->baudrate($baudarg) \|\| die "failed setting baudrate";
184	$serialPort->parity("none") \|\| die "failed setting parity";	185	$serialPort->parity("none") \|\| die "failed setting parity";
185	$serialPort->stopbits(1) \|\| die "failed setting stopbits";	186	$serialPort->stopbits(1) \|\| die "failed setting stopbits";
186	$serialPort->handshake("none") \|\| die "failed setting handshake";	187	$serialPort->handshake("none") \|\| die "failed setting handshake";
187	$serialPort->write_settings \|\| die "no settings";	188	$serialPort->write_settings \|\| die "no settings";
188		189
189	$serialPort->read_char_time(0); # don't wait for each character	190	$serialPort->read_char_time(0); # don't wait for each character
190	$serialPort->read_const_time(1000); # 1 second per unfulfilled "read" call	191	$serialPort->read_const_time(1000); # 1 second per unfulfilled "read" call
191		192
192	### create a connection between the hardware and the tcp-server ###	193	### create a connection between the hardware and the tcp-server ###
193	&hardwareConnInit;	194	&hardwareConnInit;
194	$hardwareSendFunction = "serialConnSend"; ### set up callback for a 'send data' function	195	$hardwareSendFunction = "serialConnSend"; ### set up callback for a 'send data' function
195	$thr = threads->new(\&hardwareConnThread);	196	$thr = threads->new(\&hardwareConnThread);
196	$thr->detach;	197	$thr->detach;
197	}	198	}
198		199
199	sub serialConnSend {	200	sub serialConnSend {
200	$cnt = $serialPort->write($_[0]);	201	$cnt = $serialPort->write($_[0]);
201	}	202	}
202		203
203	##################### UDP Connection ############################	204	##################### UDP Connection ############################
204	sub udpServerThread {	205	sub udpServerThread {
205	$MAXLEN = 1024;	206	$MAXLEN = 1024;
206	my $newmsg;	207	my $newmsg;
207	my $retstring;	208	my $retstring;
208	while ($udpSsocket->recv($newmsg, $MAXLEN)) {	209	while ($udpSsocket->recv($newmsg, $MAXLEN)) {
209	my($udpport, $ipaddr) = sockaddr_in($udpSsocket->peername);	210	my($udpport, $ipaddr) = sockaddr_in($udpSsocket->peername);
210	$peer_addr = inet_ntoa($ipaddr);	211	$peer_addr = inet_ntoa($ipaddr);
211		212
212	### check ipaddr to ip in commandlinearg ###	213	### check ipaddr to ip in commandlinearg ###
213	if ($udpip == $peer_addr) {	214	if ($udpip == $peer_addr) {
214	#check len of incomming data	215	#check len of incomming data
215	if (length($newmsg) > 16 && length($newmsg) < 20) {	216	if (length($newmsg) > 16 && length($newmsg) < 20) {
216	$retstring = "";	217	$retstring = "";
217	&c2sToString($newmsg, $retstring);	218	&c2sToString($newmsg, $retstring);
218	if (length($retstring) > 0 && $hwCremote) {	219	if (length($retstring) > 0 && $hwCremote) {
219	print $hwCremote $retstring . "\n";	220	print $hwCremote $retstring . "\n";
220	}	221	}
221	}	222	}
222	}	223	}
223	}	224	}
224		225
225	}	226	}
226		227
227	sub udpServerInit {	228	sub udpServerInit {
228	print "Starting udpServer\n";	229	print "Starting udpServer\n";
229	$udpSsocket = IO::Socket::INET->new(LocalPort => $udpport, Proto => 'udp')	230	$udpSsocket = IO::Socket::INET->new(LocalPort => $udpport, Proto => 'udp')
230	or die "socket: $@";	231	or die "socket: $@";
231		232
232	$udpCsocket = IO::Socket::INET->new(PeerPort => $udpport, Proto => 'udp', PeerAddr => $udpip)	233	$udpCsocket = IO::Socket::INET->new(PeerPort => $udpport, Proto => 'udp', PeerAddr => $udpip)
233	or die "socket: $@";	234	or die "socket: $@";
234		235
235	#här ska keep-alive/start-paket skickas till ipt enligt commandline-arg	236	#här ska keep-alive/start-paket skickas till ipt enligt commandline-arg
236		237
237	### create a connection between the hardware and the tcp-server ###	238	### create a connection between the hardware and the tcp-server ###
238	&hardwareConnInit;	239	&hardwareConnInit;
239	$hardwareSendFunction = "udpServerSend"; ### set up callback for a 'send data' function	240	$hardwareSendFunction = "udpServerSend"; ### set up callback for a 'send data' function
240	$thr = threads->new(\&hardwareConnThread);	241	$thr = threads->new(\&hardwareConnThread);
241	$thr->detach;	242	$thr->detach;
242		243
243	}	244	}
244		245
245	sub udpServerSend {	246	sub udpServerSend {
246	print $udpCsocket $_[0];	247	print $udpCsocket $_[0];
247	}	248	}
248		249
249	##################### TCP HUB ############################	250	##################### TCP HUB ############################
250	sub tcpServerThread {	251	sub tcpServerThread {
251	while(@ready = $tcpSselect->can_read) {	252	while(@ready = $tcpSselect->can_read) {
252	for $tcpSsocket (@ready) {	253	for $tcpSsocket (@ready) {
253	if($tcpSsocket == $tcpSlisten) {	254	if($tcpSsocket == $tcpSlisten) {
254	&tcpServerConn;	255	&tcpServerConn;
255	} else {	256	} else {
256	$tcpSsocket->recv($line,$linelength);	257	$tcpSsocket->recv($line,$linelength);
257	if ($line eq "") {	258	if ($line eq "") {
258	&tcpServerClientDis;	259	&tcpServerClientDis;
259	} else {	260	} else {
260	$line =~ s/\n.*//gm; #remove newline and everything after it	261	$line =~ s/\n.*//gm; #remove newline and everything after it
261	$line =~ s/\r.*//gm; #remove linefeed and everything after it	262	$line =~ s/\r.*//gm; #remove linefeed and everything after it
262	print "Got packet '".$line."' from client ".$tcpSsocket->fileno."\n";	263	print "Got packet '".$line."' from client ".$tcpSsocket->fileno."\n";
263		264
264	$rxerror = 0;	265	$rxerror = 0;
265	testPacket($line, 0, $rxerror);	266	testPacket($line, 0, $rxerror);
266		267
267	if ($rxerror == 0) {	268	if ($rxerror == 0) {
268	#Add newline to each packet	269	#Add newline to each packet
269	$line .= "\n";	270	$line .= "\n";
270		271
271	&tcpServerBroadcastExcept($line, $tcpSsocket);	272	&tcpServerBroadcastExcept($line, $tcpSsocket);
272	}	273	}
273	}	274	}
274	}	275	}
275	}	276	}
276	}	277	}
277	}	278	}
278		279
279	#initiate the tcp server	280	#initiate the tcp server
280	sub tcpServerInit {	281	sub tcpServerInit {
281	$tcpSlisten = IO::Socket::INET->new(Proto => "tcp", LocalPort => $hubport, Listen => 1, Reuse => 1)	282	$tcpSlisten = IO::Socket::INET->new(Proto => "tcp", LocalPort => $hubport, Listen => 1, Reuse => 1)
282	or die $!;	283	or die $!;
283		284
284	$tcpSselect = IO::Select->new($tcpSlisten);	285	$tcpSselect = IO::Select->new($tcpSlisten);
285	print "Starting tcpServer\n";	286	print "Starting tcpServer\n";
286	}	287	}
287		288
288	#a client connected	289	#a client connected
289	sub tcpServerConn {	290	sub tcpServerConn {
290	$new = $tcpSlisten->accept;	291	$new = $tcpSlisten->accept;
291	$tcpSselect->add($new);	292	$tcpSselect->add($new);
292	print $new->fileno . ": connected\n";	293	print $new->fileno . ": connected\n";
293	}	294	}
294		295
295	#a client disconnected	296	#a client disconnected
296	sub tcpServerClientDis {	297	sub tcpServerClientDis {
297	print $tcpSsocket->fileno . ": disconnected\n";	298	print $tcpSsocket->fileno . ": disconnected\n";
298	$tcpSselect->remove($tcpSsocket);	299	$tcpSselect->remove($tcpSsocket);
299	$tcpSsocket->close;	300	$tcpSsocket->close;
300	}	301	}
301		302
302	#subroutine sends data to all connected clients except for one specified	303	#subroutine sends data to all connected clients except for one specified
303	sub tcpServerBroadcastExcept {	304	sub tcpServerBroadcastExcept {
304	my $first = 0;	305	my $first = 0;
305	my $data = $_[0];	306	my $data = $_[0];
306	my $exception = $_[1];	307	my $exception = $_[1];
307	for $eachsocket ($tcpSselect->handles) {	308	for $eachsocket ($tcpSselect->handles) {
308	if ($eachsocket==$tcpSlisten) { #dont send to self	309	if ($eachsocket==$tcpSlisten) { #dont send to self
309	next;	310	next;
310	} elsif ($eachsocket==$exception) { #dont send to the specified exception	311	} elsif ($eachsocket==$exception) { #dont send to the specified exception
311	next;	312	next;
312	} else {	313	} else {
313	if ($first==0) {	314	if ($first==0) {
314	$first = 1;	315	$first = 1;
315	print "Sending to client ".$eachsocket->fileno;	316	print "Sending to client ".$eachsocket->fileno;
316	} else {	317	} else {
317	print ", ".$eachsocket->fileno;	318	print ", ".$eachsocket->fileno;
318	}	319	}
319	$eachsocket->send($data) or do {	320	$eachsocket->send($data) or do {
320	&tcpServerClientDis;	321	&tcpServerClientDis;
321	}	322	}
322	}	323	}
323	}	324	}
324	if ($first==1) {	325	if ($first==1) {
325	print "\n";	326	print "\n";
326	}	327	}
327	}	328	}
328		329
329	##################### General functions ############################	330	##################### General functions ############################
330		331
331	#this function should do a number of tests on $_[0] and print messages if packet is malformed and return 1 in $_[2]	332	#this function should do a number of tests on $_[0] and print messages if packet is malformed and return 1 in $_[2]
332	#messages can be suppressed by having $_[1] as 1	333	#messages can be suppressed by having $_[1] as 1
333	sub testPacket {	334	sub testPacket {
334	my $input = $_[0];	335	my $input = $_[0];
335	my $messages = $_[1];	336	my $messages = $_[1];
336		337
337	#line should be parsed somewhat here, check PKT, AUT and so on	338	#line should be parsed somewhat here, check PKT, AUT and so on
338	$testErr = 0;	339	$testErr = 0;
339	if (length($input) < 16) {	340	if (length($input) < 16) {
340	$testErr = 1;	341	$testErr = 1;
341	if ($messages!=1) {print "Packet was malformed, not long enough\n";}	342	if ($messages!=1) {print "Packet was malformed, not long enough\n";}
342	}	343	}
343	if ($testErr == 0 && substr($input, 0, 4) != "PKT ") {	344	if ($testErr == 0 && substr($input, 0, 4) != "PKT ") {
344	$testErr = 1;	345	$testErr = 1;
345	if ($messages!=1) {print "Packet was malformed, should start with PKT\n";}	346	if ($messages!=1) {print "Packet was malformed, should start with PKT\n";}
346	}	347	}
347	#if (substr($line, 12, 1) != " " \|\| substr($line, 14, 1) != " ") {	348	#if (substr($line, 12, 1) != " " \|\| substr($line, 14, 1) != " ") {
348	# $testErr = 1;	349	# $testErr = 1;
349	# print "Packet was malformed, spaces not in the correct place\n";	350	# print "Packet was malformed, spaces not in the correct place\n";
350	#}	351	#}
351	@splitinput = split(/ +/, $input);	352	@splitinput = split(/ +/, $input);
352	$inputarrlen = @splitinput;	353	$inputarrlen = @splitinput;
353	if ($testErr == 0 && ($inputarrlen < 4 \|\| $inputarrlen > 12)) {	354	if ($testErr == 0 && ($inputarrlen < 4 \|\| $inputarrlen > 12)) {
354	$testErr = 1;	355	$testErr = 1;
355	if ($messages!=1) {print "Packet was malformed, to many or to few parts\n";}	356	if ($messages!=1) {print "Packet was malformed, to many or to few parts\n";}
356	}	357	}
357	if ($testErr == 0 && length($splitinput[1]) != 8) {	358	if ($testErr == 0 && length($splitinput[1]) != 8) {
358	$testErr = 1;	359	$testErr = 1;
359	if ($messages!=1) {print "Packet was malformed, id part must be 8 digits (padded with zeros)\n";}	360	if ($messages!=1) {print "Packet was malformed, id part must be 8 digits (padded with zeros)\n";}
360	}	361	}
361	if ($testErr == 0 && length($splitinput[2]) != 1) {	362	if ($testErr == 0 && length($splitinput[2]) != 1) {
362	$testErr = 1;	363	$testErr = 1;
363	if ($messages!=1) {print "Packet was malformed, ext part must be 1 digit\n";}	364	if ($messages!=1) {print "Packet was malformed, ext part must be 1 digit\n";}
364	}	365	}
365	if ($testErr == 0 && length($splitinput[3]) != 1) {	366	if ($testErr == 0 && length($splitinput[3]) != 1) {
366	$testErr = 1;	367	$testErr = 1;
367	if ($messages!=1) {print "Packet was malformed, rtr part must be 1 digit\n";}	368	if ($messages!=1) {print "Packet was malformed, rtr part must be 1 digit\n";}
368	}	369	}
369	for ($i = 4; $i < $inputarrlen; $i++) {	370	for ($i = 4; $i < $inputarrlen; $i++) {
370	if ($testErr == 0 && length($splitinput[$i]) != 2) {	371	if ($testErr == 0 && length($splitinput[$i]) != 2) {
371	$testErr = 1;	372	$testErr = 1;
372	if ($messages!=1) {print "Packet was malformed, data parts must be 2 digits (padded with zero)\n";}	373	if ($messages!=1) {print "Packet was malformed, data parts must be 2 digits (padded with zero)\n";}
373	}	374	}
374	}	375	}
375	$checkstrlen = length($input)-4;	376	$checkstrlen = length($input)-4;
376	$checkstr = substr($input, 4, $checkstrlen);	377	$checkstr = substr($input, 4, $checkstrlen);
377	if ($testErr == 0 && $checkstr !~ m/^[0-9a-fA-F ]*$/) {	378	if ($testErr == 0 && $checkstr !~ m/^[0-9a-fA-F ]*$/) {
378	$testErr = 1;	379	$testErr = 1;
379	if ($messages!=1) {print "Packet was malformed, not hex\n";}	380	if ($messages!=1) {print "Packet was malformed, not hex\n";}
380	}	381	}
381		382
382	$_[2] = $testErr;	383	$_[2] = $testErr;
383	}	384	}
384		385
385	#this function should parse $_[0] (can2serial-data) and save in $_[1] as string	386	#this function should parse $_[0] (can2serial-data) and save in $_[1] as string
386	sub c2sToString {	387	sub c2sToString {
387	my $input = $_[0];	388	my $input = $_[0];
388	my $output = "";	389	my $output = "";
389	#if not correct input data, then dont save anything in $_[1]	390	#if not correct input data, then dont save anything in $_[1]
390	if (ord(substr($input, 0, 1))==$C2SSTARTSTR && ord(substr($input, 16, 1))==$C2SENDSTR) {	391	if (ord(substr($input, 0, 1))==$C2SSTARTSTR && ord(substr($input, 16, 1))==$C2SENDSTR) {
391	#$output = "boundaries=ok ";	392	#$output = "boundaries=ok ";
392	$id = ord(substr($input, 1, 1)) + ord(substr($input, 2, 1))256 + ord(substr($input, 3, 1))256256 + ord(substr($input, 4, 1))256256256;	393	$id = ord(substr($input, 1, 1)) + ord(substr($input, 2, 1))256 + ord(substr($input, 3, 1))256256 + ord(substr($input, 4, 1))256256256;
393	$ext = ord(substr($input, 5, 1));	394	$ext = ord(substr($input, 5, 1));
394	$rtr = ord(substr($input, 6, 1));	395	$rtr = ord(substr($input, 6, 1));
395	$dl = ord(substr($input, 7, 1));	396	$dl = ord(substr($input, 7, 1));
396	if ($ext < 2 && $rtr < 2 && $dl < 9) {	397	if ($ext < 2 && $rtr < 2 && $dl < 9) {
397	$output .= sprintf "%08x ", $id;	398	$output .= sprintf "%08x ", $id;
398	$output .= $ext . " " . $rtr;	399	$output .= $ext . " " . $rtr;
399	for ($i = 0; $i < $dl; $i++) {	400	for ($i = 0; $i < $dl; $i++) {
400	$data = ord(substr($input, 8+$i, 1));	401	$data = ord(substr($input, 8+$i, 1));
401	$output .= sprintf " %02x", $data;	402	$output .= sprintf " %02x", $data;
402	}	403	}
403	$_[1] = "PKT ".$output;	404	$_[1] = "PKT ".$output;
404	}	405	}
405	}	406	}
406	}	407	}
407		408
408	#this function should parse $_[0] (string) and save in $_[1] as can2serial-data	409	#this function should parse $_[0] (string) and save in $_[1] as can2serial-data
409	sub stringToc2s {	410	sub stringToc2s {
410	my $input = $_[0];	411	my $input = $_[0];
411	my $output = "";	412	my $output = "";
412	#if not correct input data, then dont save anything in $_[1]	413	#if not correct input data, then dont save anything in $_[1]
413	if (length($input) > 15) {	414	if (length($input) > 15) {
414	#minor checks, the data from the tcp-server should be valid	415	#minor checks, the data from the tcp-server should be valid
415	@splitinput = split(/ +/, $input);	416	@splitinput = split(/ +/, $input);
416	$inputarrlen = @splitinput;	417	$inputarrlen = @splitinput;
417	if (substr($input, 0, 4) == "PKT " && substr($input, 12, 1) == " " && substr($input, 14, 1) == " " && $inputarrlen > 3 && $inputarrlen < 13) {	418	if (substr($input, 0, 4) == "PKT " && substr($input, 12, 1) == " " && substr($input, 14, 1) == " " && $inputarrlen > 3 && $inputarrlen < 13) {
418	$id = hex($splitinput[1]);	419	$id = hex($splitinput[1]);
419	$ext = hex($splitinput[2]);	420	$ext = hex($splitinput[2]);
420	$rtr = hex($splitinput[3]);	421	$rtr = hex($splitinput[3]);
421	@data = @splitinput[4..($inputarrlen-1)];	422	@data = @splitinput[4..($inputarrlen-1)];
422	$dl = @data;	423	$dl = @data;
423		424
424	$output .= chr($C2SSTARTSTR);	425	$output .= chr($C2SSTARTSTR);
425	$output .= chr($id & 0xff);	426	$output .= chr($id & 0xff);
426	$output .= chr(($id>>8) & 0xff);	427	$output .= chr(($id>>8) & 0xff);
427	$output .= chr(($id>>16) & 0xff);	428	$output .= chr(($id>>16) & 0xff);
428	$output .= chr(($id>>24) & 0xff);	429	$output .= chr(($id>>24) & 0xff);
429	$output .= chr($ext);	430	$output .= chr($ext);
430	$output .= chr($rtr);	431	$output .= chr($rtr);
431	$output .= chr($dl);	432	$output .= chr($dl);
432	for ($i = 0; $i < 8; $i++) {	433	for ($i = 0; $i < 8; $i++) {
433	if ($i < $dl) {	434	if ($i < $dl) {
434	$output .= chr(hex($data[$i]));	435	$output .= chr(hex($data[$i]));
435	} else {	436	} else {
436	$output .= chr(" ");	437	$output .= chr(" ");
437	}	438	}
438	}	439	}
439	$output .= chr($C2SENDSTR);	440	$output .= chr($C2SENDSTR);
440	$_[1] = $output;	441	$_[1] = $output;
441	}	442	}
442	}	443	}
443	}	444	}
444		445

Subversion Repositories HomeAutomation

(root)/trunk/PcSoftware/scripts/canDaemon/canDaemon.pl – Rev 633 → 650