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authorTill Kamppeter <tkamppeter@mandriva.com>2003-03-02 18:57:32 +0000
committerTill Kamppeter <tkamppeter@mandriva.com>2003-03-02 18:57:32 +0000
commit425c60a0a1eca09aac37a93e9b5590f533aa76dc (patch)
treebe48028b1f193f1e578222dbbaba07de5b0bf96e /perl-install/printer/detect.pm
parente01e2c47ed44040a33600494bc349d857c06f468 (diff)
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Read device ID string for a USB printer up to three times when it does not contain information.
Diffstat (limited to 'perl-install/printer/detect.pm')
-rw-r--r--perl-install/printer/detect.pm147
1 files changed, 80 insertions, 67 deletions
diff --git a/perl-install/printer/detect.pm b/perl-install/printer/detect.pm
index 40842cb94..9e3104b01 100644
--- a/perl-install/printer/detect.pm
+++ b/perl-install/printer/detect.pm
@@ -74,75 +74,88 @@ sub whatUsbport() {
my $realport = devices::make($port);
next if !$realport;
next if ! -r $realport;
- open(my $PORT, $realport) or next;
- my $idstr = "";
- # Calculation of IOCTL function 0x84005001 (to get device ID
- # string):
- # len = 1024
- # IOCNR_GET_DEVICE_ID = 1
- # LPIOC_GET_DEVICE_ID(len) =
- # _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)
- # _IOC(), _IOC_READ as defined in /usr/include/asm/ioctl.h
- # Use "eval" so that program does not stop when IOCTL fails
- eval {
- my $output = "\0" x 1024;
- ioctl($PORT, 0x84005001, $output);
- $idstr = $output;
- } or do {
+ foreach my $j (1..3) {
+ open(my $PORT, $realport) or next;
+ my $idstr = "";
+ # Calculation of IOCTL function 0x84005001 (to get device ID
+ # string):
+ # len = 1024
+ # IOCNR_GET_DEVICE_ID = 1
+ # LPIOC_GET_DEVICE_ID(len) =
+ # _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)
+ # _IOC(), _IOC_READ as defined in /usr/include/asm/ioctl.h
+ # Use "eval" so that program does not stop when IOCTL fails
+ eval {
+ my $output = "\0" x 1024;
+ ioctl($PORT, 0x84005001, $output);
+ $idstr = $output;
+ } or do {
+ close $PORT;
+ next;
+ };
close $PORT;
- next;
- };
- close $PORT;
- # Remove non-printable characters
- $idstr =~ tr/[\x00-\x1f]/\./;
- # Extract the printer data from the ID string
- my ($manufacturer, $model, $serialnumber, $description,
- $commandset, $sku) =
- ("", "", "", "", "");
- if ($idstr =~ /MFG:([^;]+);/ || $idstr =~ /MANUFACTURER:([^;]+);/) {
- $manufacturer = $1;
- $manufacturer =~ s/Hewlett[-\s_]Packard/HP/;
- $manufacturer =~ s/HEWLETT[-\s_]PACKARD/HP/;
- }
- # For HP's multi-function devices the real model name is in the "SKU"
- # field. So use this field with priority for $model when it exists.
- if ($idstr =~ /MDL:([^;]+);/ || $idstr =~ /MODEL:([^;]+);/) {
- $model ||= $1;
- }
- if ($idstr =~ /SKU:([^;]+);/) {
- $sku = $1;
- }
- if ($idstr =~ /DES:([^;]+);/ || $idstr =~ /DESCRIPTION:([^;]+);/) {
- $description = $1;
- $description =~ s/Hewlett[-\s_]Packard/HP/;
- $description =~ s/HEWLETT[-\s_]PACKARD/HP/;
- }
- if ($idstr =~ /SE*R*N:([^;]+);/) {
- $serialnumber = $1;
- }
- if ($idstr =~ /CMD:([^;]+);/ ||
- $idstr =~ /COMMAND\s*SET:([^;]+);/) {
- $commandset ||= $1;
- }
- # Was there a manufacturer and a model in the string?
- if ($manufacturer eq "" || $model eq "") {
- $manufacturer = "";
- $model = N("Unknown Model");
- }
- # No description field? Make one out of manufacturer and model.
- if ($description eq "") {
- $description = "$manufacturer $model";
+ # Remove non-printable characters
+ $idstr =~ tr/[\x00-\x1f]/\./;
+ # If we do not find any item in the ID string, we try to read
+ # it again
+ my $itemfound = 0;
+ # Extract the printer data from the ID string
+ my ($manufacturer, $model, $serialnumber, $description,
+ $commandset, $sku) =
+ ("", "", "", "", "");
+ if ($idstr =~ /MFG:([^;]+);/ || $idstr =~ /MANUFACTURER:([^;]+);/) {
+ $manufacturer = $1;
+ $manufacturer =~ s/Hewlett[-\s_]Packard/HP/;
+ $manufacturer =~ s/HEWLETT[-\s_]PACKARD/HP/;
+ $itemfound = 1;
+ }
+ # For HP's multi-function devices the real model name is in the "SKU"
+ # field. So use this field with priority for $model when it exists.
+ if ($idstr =~ /MDL:([^;]+);/ || $idstr =~ /MODEL:([^;]+);/) {
+ $model ||= $1;
+ $itemfound = 1;
+ }
+ if ($idstr =~ /SKU:([^;]+);/) {
+ $sku = $1;
+ $itemfound = 1;
+ }
+ if ($idstr =~ /DES:([^;]+);/ || $idstr =~ /DESCRIPTION:([^;]+);/) {
+ $description = $1;
+ $description =~ s/Hewlett[-\s_]Packard/HP/;
+ $description =~ s/HEWLETT[-\s_]PACKARD/HP/;
+ $itemfound = 1;
+ }
+ if ($idstr =~ /SE*R*N:([^;]+);/) {
+ $serialnumber = $1;
+ $itemfound = 1;
+ }
+ if ($idstr =~ /CMD:([^;]+);/ ||
+ $idstr =~ /COMMAND\s*SET:([^;]+);/) {
+ $commandset ||= $1;
+ $itemfound = 1;
+ }
+ next if !$itemfound;
+ # Was there a manufacturer and a model in the string?
+ if ($manufacturer eq "" || $model eq "") {
+ $manufacturer = "";
+ $model = N("Unknown Model");
+ }
+ # No description field? Make one out of manufacturer and model.
+ if ($description eq "") {
+ $description = "$manufacturer $model";
+ }
+ # Store this auto-detection result in the data structure
+ push @res, { port => $port, val =>
+ { CLASS => 'PRINTER',
+ MODEL => $model,
+ MANUFACTURER => $manufacturer,
+ DESCRIPTION => $description,
+ SERIALNUMBER => $serialnumber,
+ 'COMMAND SET' => $commandset,
+ SKU => $sku
+ } };
+ last;
}
- # Store this auto-detection result in the data structure
- push @res, { port => $port, val =>
- { CLASS => 'PRINTER',
- MODEL => $model,
- MANUFACTURER => $manufacturer,
- DESCRIPTION => $description,
- SERIALNUMBER => $serialnumber,
- 'COMMAND SET' => $commandset,
- SKU => $sku
- } };
}
@res;
}