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#include <config.h>
00021
#include "kmwlpd.h"
00022
#include "kmwizard.h"
00023
#include "kmprinter.h"
00024
00025
#include <kurl.h>
00026
#include <klocale.h>
00027
#include <qlabel.h>
00028
#include <kdebug.h>
00029
#include <qlineedit.h>
00030
#include <kmessagebox.h>
00031
#include <kextsock.h>
00032
00033
static bool checkLpdQueue(
const char *host,
const char *queue);
00034
00035
00036
00037 KMWLpd::KMWLpd(
QWidget *parent,
const char *name)
00038 : KMWInfoBase(2,parent,name)
00039 {
00040 m_ID = KMWizard::LPD;
00041 m_title = i18n(
"LPD Queue Information");
00042 m_nextpage = KMWizard::Driver;
00043
00044 setInfo(i18n(
"<p>Enter the information concerning the remote LPD queue; "
00045
"this wizard will check it before continuing.</p>"));
00046 setLabel(0,i18n(
"Host:"));
00047 setLabel(1,i18n(
"Queue:"));
00048 }
00049
00050
bool KMWLpd::isValid(
QString& msg)
00051 {
00052
if (text(0).isEmpty() || text(1).isEmpty())
00053 {
00054 msg = i18n(
"Some information is missing.");
00055
return false;
00056 }
00057
00058
00059
if (!checkLpdQueue(text(0).latin1(),text(1).latin1()))
00060 {
00061
if (KMessageBox::warningYesNo(
this, i18n(
"Can not find queue %1 on server %2; do you want to continue anyway?").arg(text(1)).arg(text(0))) == KMessageBox::No)
00062
return false;
00063 }
00064
return true;
00065 }
00066
00067
void KMWLpd::updatePrinter(KMPrinter *p)
00068 {
00069
QString dev = QString::fromLatin1(
"lpd://%1/%2").arg(text(0)).arg(text(1));
00070 p->setDevice(dev);
00071 }
00072
00073
00074
00075
bool checkLpdQueue(
const char *host,
const char *queue)
00076 {
00077 KExtendedSocket sock(host,
"printer", KExtendedSocket::streamSocket);
00078 sock.setBlockingMode(
true);
00079
if (sock.connect() != 0)
00080
return false;
00081
00082
char res[64] = {0};
00083 snprintf(res,64,
"%c%s\n",(
char)4,queue);
00084
if (sock.writeBlock(res, strlen(res)) != (Q_LONG)(strlen(res)))
00085
return false;
00086
00087
char buf[1024] = {0};
00088
int n, tot(1);
00089
while ((n = sock.readBlock(res, 63)) > 0)
00090 {
00091 res[n] = 0;
00092 tot += n;
00093
if (tot >= 1024)
00094
break;
00095
else
00096 strcat(buf, res);
00097 }
00098 sock.close();
00099
if (strlen(buf) == 0 || strstr(buf,
"unknown printer") != NULL)
00100
return false;
00101
return true;
00102 }