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Diffstat (limited to 'kdeprint/management/kmwsocketutil.cpp')
| -rw-r--r-- | kdeprint/management/kmwsocketutil.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/kdeprint/management/kmwsocketutil.cpp b/kdeprint/management/kmwsocketutil.cpp new file mode 100644 index 000000000..f0a6b3bba --- /dev/null +++ b/kdeprint/management/kmwsocketutil.cpp @@ -0,0 +1,219 @@ +/* + * This file is part of the KDE libraries + * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be> + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License version 2 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + **/ + +#include <config.h> + +#include "kmwsocketutil.h" + +#include <qprogressbar.h> +#include <qlineedit.h> +#include <qlabel.h> +#include <qcombobox.h> +#include <qpushbutton.h> +#include <kmessagebox.h> +#include <qlayout.h> +#include <qregexp.h> +#include <knumvalidator.h> + +#include <kapplication.h> +#include <klocale.h> +#include <kextsock.h> +#include <kdebug.h> + +#include <unistd.h> + +QString localRootIP(); + +//---------------------------------------------------------------------------------------- + +SocketConfig::SocketConfig(KMWSocketUtil *util, QWidget *parent, const char *name) +: KDialogBase(parent, name, true, QString::null, Ok|Cancel, Ok, true) +{ + QWidget *dummy = new QWidget(this); + setMainWidget(dummy); + KIntValidator *val = new KIntValidator( this ); + QLabel *masklabel = new QLabel(i18n("&Subnetwork:"),dummy); + QLabel *portlabel = new QLabel(i18n("&Port:"),dummy); + QLabel *toutlabel = new QLabel(i18n("&Timeout (ms):"),dummy); + QLineEdit *mm = new QLineEdit(dummy); + mm->setText(QString::fromLatin1(".[0-255]")); + mm->setReadOnly(true); + mm->setFixedWidth(fontMetrics().width(mm->text())+10); + + mask_ = new QLineEdit(dummy); + mask_->setAlignment(Qt::AlignRight); + port_ = new QComboBox(true,dummy); + if ( port_->lineEdit() ) + port_->lineEdit()->setValidator( val ); + tout_ = new QLineEdit(dummy); + tout_->setValidator( val ); + + masklabel->setBuddy(mask_); + portlabel->setBuddy(port_); + toutlabel->setBuddy(tout_); + + mask_->setText(util->root_); + port_->insertItem("631"); + port_->insertItem("9100"); + port_->insertItem("9101"); + port_->insertItem("9102"); + port_->setEditText(QString::number(util->port_)); + tout_->setText(QString::number(util->timeout_)); + + QGridLayout *main_ = new QGridLayout(dummy, 3, 2, 0, 10); + QHBoxLayout *lay1 = new QHBoxLayout(0, 0, 5); + main_->addWidget(masklabel, 0, 0); + main_->addWidget(portlabel, 1, 0); + main_->addWidget(toutlabel, 2, 0); + main_->addLayout(lay1, 0, 1); + main_->addWidget(port_, 1, 1); + main_->addWidget(tout_, 2, 1); + lay1->addWidget(mask_,1); + lay1->addWidget(mm,0); + + resize(250,130); + setCaption(i18n("Scan Configuration")); +} + +SocketConfig::~SocketConfig() +{ +} + +void SocketConfig::slotOk() +{ + QString msg; + QRegExp re("(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})"); + if (!re.exactMatch(mask_->text())) + msg = i18n("Wrong subnetwork specification."); + else + { + for (int i=1; i<=3; i++) + if (re.cap(i).toInt() >= 255) + { + msg = i18n("Wrong subnetwork specification."); + break; + } + } + + bool ok(false); + int v = tout_->text().toInt(&ok); + if (!ok || v <= 0) + msg = i18n("Wrong timeout specification."); + v = port_->currentText().toInt(&ok); + if (!ok || v <= 0) + msg = i18n("Wrong port specification."); + if (!msg.isEmpty()) + { + KMessageBox::error(this,msg); + return; + } + + KDialogBase::slotOk(); +} + +//---------------------------------------------------------------------------------------- + +KMWSocketUtil::KMWSocketUtil() +{ + printerlist_.setAutoDelete(true); + root_ = localRootIP(); + port_ = 9100; + timeout_ = 50; +} + +bool KMWSocketUtil::checkPrinter(const QString& IPstr, int port, QString* hostname) +{ + KExtendedSocket sock(IPstr, port, KExtendedSocket::inetSocket|KExtendedSocket::streamSocket); + bool result(false); + sock.setTimeout(0, timeout_ * 1000); + if (sock.connect() == 0) + { + if (hostname) + { + QString portname; + KExtendedSocket::resolve((KSocketAddress*)(sock.peerAddress()), *hostname, portname); + } + result = true; + } + sock.close(); + return result; +} + +bool KMWSocketUtil::scanNetwork(QProgressBar *bar) +{ + printerlist_.setAutoDelete(true); + printerlist_.clear(); + int n(256); + if (bar) + bar->setTotalSteps(n); + for (int i=0; i<n; i++) + { + QString IPstr = root_ + "." + QString::number(i); + QString hostname; + if (checkPrinter(IPstr, port_, &hostname)) + { // we found a printer at this address, create SocketInfo entry in printer list + SocketInfo *info = new SocketInfo; + info->IP = IPstr; + info->Port = port_; + info->Name = hostname; + printerlist_.append(info); + } + if (bar) + { + bar->setProgress(i); + kapp->flushX(); + } + } + return true; +} + +void KMWSocketUtil::configureScan(QWidget *parent) +{ + SocketConfig *dlg = new SocketConfig(this,parent); + if (dlg->exec()) + { + root_ = dlg->mask_->text(); + port_ = dlg->port_->currentText().toInt(); + timeout_ = dlg->tout_->text().toInt(); + } + delete dlg; +} + +//---------------------------------------------------------------------------------------- + +QString localRootIP() +{ + char buf[256]; + buf[0] = '\0'; + if (!gethostname(buf, sizeof(buf))) + buf[sizeof(buf)-1] = '\0'; + QPtrList<KAddressInfo> infos = KExtendedSocket::lookup(buf, QString::null); + infos.setAutoDelete(true); + if (infos.count() > 0) + { + QString IPstr = infos.first()->address()->nodeName(); + int p = IPstr.findRev('.'); + IPstr.truncate(p); + return IPstr; + } + return QString::null; +} + +#include "kmwsocketutil.moc" |