Initial revision

1 files changed, 436 insertions, 0 deletions

diff --git a/library/network.cpp b/library/network.cpp
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index 0000000..7d51016
--- a/dev/null
+++ b/library/network.cpp
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+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "qpe/network.h"
+#include "qpe/networkinterface.h"
+#include "qpe/global.h"
+#include "qpe/config.h"
+#include "qpe/resource.h"
+#include "qpe/qpeapplication.h"
+#include <qpe/qcopenvelope_qws.h>
+#include <qpe/qlibrary.h>
+
+#include <qlistbox.h>
+#include <qdir.h>
+#include <qlayout.h>
+#include <qdict.h>
+#include <qtranslator.h>
+
+#include <stdlib.h>
+
+class NetworkEmitter : public QCopChannel {
+    Q_OBJECT
+public:
+    NetworkEmitter() : QCopChannel("QPE/Network",qApp)
+    {
+    }
+
+    void receive(const QCString &msg, const QByteArray&)
+    {
+        if ( msg == "choicesChanged()" )
+            emit changed();
+    }
+
+signals:
+    void changed();
+};
+
+/*!
+  \internal
+
+  Requests that the service \a choice be started. The \a password is
+  the password to use if required.
+*/
+void Network::start(const QString& choice, const QString& password)
+{
+    QCopEnvelope e("QPE/Network", "start(QString,QString)");
+    e << choice << password;
+}
+
+/*!
+  \class Network network.h
+  \brief The Network class provides network access functionality.
+*/
+
+// copy the proxy settings of the active config over to the Proxies.conf file
+/*!
+  \internal
+*/
+void Network::writeProxySettings( Config &cfg )
+{
+    Config proxy( Network::settingsDir() + "/Proxies.conf", Config::File );
+    proxy.setGroup("Properties");
+    cfg.setGroup("Proxy");
+    proxy.writeEntry("type", cfg.readEntry("type") );
+    proxy.writeEntry("autoconfig", cfg.readEntry("autoconfig") );
+    proxy.writeEntry("httphost", cfg.readEntry("httphost") );
+    proxy.writeEntry("httpport", cfg.readEntry("httpport") );
+    proxy.writeEntry("ftphost", cfg.readEntry("ftphost") );
+    proxy.writeEntry("ftpport", cfg.readEntry("ftpport") );
+    proxy.writeEntry("noproxies", cfg.readEntry("noproxies") );
+    cfg.setGroup("Properties");
+}
+
+
+
+/*!
+  \internal
+
+  Stops the current network service.
+*/
+void Network::stop()
+{
+    QCopEnvelope e("QPE/Network", "stop()");
+}
+
+static NetworkEmitter *emitter = 0;
+
+/*!
+  \internal
+*/
+void Network::connectChoiceChange(QObject* receiver, const char* slot)
+{
+    if ( !emitter )
+        emitter = new NetworkEmitter;
+    QObject::connect(emitter,SIGNAL(changed()),receiver,slot);
+}
+
+/*!
+  \internal
+*/
+QString Network::settingsDir()
+{
+    return Global::applicationFileName("Network", "modules");
+}
+
+/*!
+  \internal
+*/
+QStringList Network::choices(QListBox* lb, const QString& dir)
+{
+    QStringList list;
+
+    if ( lb )
+        lb->clear();
+
+    QString adir = dir.isEmpty() ? settingsDir() : dir;
+    QDir settingsdir(adir);
+    settingsdir.mkdir(adir);
+    
+    QStringList files = settingsdir.entryList("*.conf");
+    for (QStringList::ConstIterator it=files.begin(); it!=files.end(); ++it ) {
+        QString filename = settingsdir.filePath(*it);
+        Config cfg(filename, Config::File);
+        cfg.setGroup("Info");
+        if ( lb )
+            lb->insertItem(Resource::loadPixmap("Network/" + cfg.readEntry("Type")),
+                cfg.readEntry("Name"));
+        list.append(filename);
+    }
+
+    return list;
+}
+
+class NetworkServer : public QCopChannel {
+    Q_OBJECT
+public:
+    NetworkServer(QObject* parent) : QCopChannel("QPE/Network",parent)
+    {
+        up = FALSE;
+        examineNetworks( TRUE );
+        QCopChannel* card = new QCopChannel("QPE/Card",parent);
+        connect(card,SIGNAL(received(const QCString &, const QByteArray&)),
+            this,SLOT(cardMessage(const QCString &, const QByteArray&)));
+    }
+
+    ~NetworkServer()
+    {
+        stop();
+    }
+
+    bool networkOnline() const
+    {
+        return up;
+    }
+
+private:
+    void receive(const QCString &msg, const QByteArray& data)
+    {
+        if ( msg == "start(QString,QString)" ) {
+            QDataStream stream(data,IO_ReadOnly);
+            QString file,password;
+            stream >> file >> password;
+            if ( file.isEmpty() ) {
+                QStringList l = Network::choices();
+                for (QStringList::ConstIterator i=l.begin(); i!=l.end(); ++i) {
+                    Config cfg(*i,Config::File);
+                    cfg.setGroup("Info");
+                    QString type = cfg.readEntry("Type");
+                    NetworkInterface* plugin = Network::loadPlugin(type);
+                    cfg.setGroup("Properties");
+                    if ( plugin && plugin->isAvailable(cfg) ) {
+                        file = *i;
+                        break;
+                    }
+                }
+                if ( file.isEmpty() ) {
+                    QCopEnvelope("QPE/Network", "failed()");
+                    return;
+                }
+            }
+            start(file,password);
+        } else if ( msg == "stop()" ) {
+            stop();
+        } else if ( msg == "choicesChanged()" ) {
+            examineNetworks();
+        }
+    }
+
+private slots:
+    void cardMessage(const QCString &msg, const QByteArray&)
+    {
+        if ( msg == "stabChanged()" )
+            examineNetworks();
+    }
+
+private:
+    void examineNetworks( bool firstStart = FALSE )
+    {
+        QStringList l = Network::choices();
+        bool wasup = up; up=FALSE;
+        QStringList pavailable = available;
+        available.clear();
+        for (QStringList::ConstIterator it=l.begin(); it!=l.end(); ++it) {
+            Config cfg(*it,Config::File);
+            cfg.setGroup("Info");
+            QString type = cfg.readEntry("Type");
+            NetworkInterface* plugin = Network::loadPlugin(type);
+            cfg.setGroup("Properties");
+            if ( plugin ) {
+                if ( plugin->isActive(cfg) ) {
+                    up = TRUE;
+                    if ( firstStart )
+                        plugin->start( cfg );
+                }
+                if ( plugin->isAvailable(cfg) )
+                    available.append(*it);
+            }
+        }
+
+        // Try to work around unreproducible bug whereby
+        // the netmon applet shows wrong state.
+        bool reannounce = wait<0;
+
+        if ( available != pavailable || reannounce ) {
+            QCopEnvelope e("QPE/Network", "available(QStringList)");
+            e << available;
+        }
+        if ( up != wasup || reannounce ) {
+            QCopEnvelope("QPE/Network", up ? "up()" : "down()");
+        }
+    }
+
+    void start( const QString& file, const QString& password )
+    {
+        if ( !current.isEmpty() )
+            stop();
+        current = QString::null;
+        Config cfg(file, Config::File);
+        cfg.setGroup("Info");
+        QString type = cfg.readEntry("Type");
+        NetworkInterface* plugin = Network::loadPlugin(type);
+        bool started = FALSE;
+        if ( plugin ) {
+            cfg.setGroup("Properties");
+            if ( plugin->start(cfg,password) ) {
+                Network::writeProxySettings( cfg );
+                current = file;
+                wait=0;
+                startTimer(400);
+                started = TRUE;
+            }
+        }
+        if ( !started ) {
+            QCopEnvelope("QPE/Network", "failed()");
+        }
+    }
+
+    void stop()
+    {
+        bool stopped = FALSE;
+        if ( !current.isEmpty() ) {
+            Config cfg(current, Config::File);
+            cfg.setGroup("Info");
+            QString type = cfg.readEntry("Type");
+            NetworkInterface* plugin = Network::loadPlugin(type);
+            if ( plugin ) {
+                cfg.setGroup("Properties");
+                if ( plugin->stop(cfg) ) {
+                    current = QString::null;
+                    wait=0;
+                    startTimer(400);
+                    stopped = TRUE;
+                }
+            }
+        }
+        if ( !stopped ) {
+            QCopEnvelope("QPE/Network", "failed()");
+        }
+    }
+
+    void timerEvent(QTimerEvent*)
+    {
+        examineNetworks();
+        if ( wait >= 0 ) {
+            if ( up == !current.isNull() ) {
+                // done
+                killTimers();
+                if ( up ) {
+                    startTimer(3000); // monitor link
+                    wait = -1;
+                }
+            } else {
+                wait++;
+                if ( wait == 600 ) {
+                    killTimers(); // forget about it after 240 s
+                    QCopEnvelope("QPE/Network", "failed()");
+                    up = !current.isNull();
+                }
+            }
+        } else if ( !up ) {
+            killTimers();
+        }
+    }
+
+private:
+    QStringList available;
+    QString current;
+    bool up;
+    int wait;
+};
+
+static NetworkServer* ns=0;
+
+/*!
+  \internal
+*/
+QString Network::serviceName(const QString& service)
+{
+    Config cfg(service, Config::File);
+    cfg.setGroup("Info");
+    return cfg.readEntry("Name");
+}
+
+/*!
+  \internal
+*/
+QString Network::serviceType(const QString& service)
+{
+    Config cfg(service, Config::File);
+    cfg.setGroup("Info");
+    return cfg.readEntry("Type");
+}
+
+/*!
+  \internal
+*/
+bool Network::serviceNeedsPassword(const QString& service)
+{
+    Config cfg(service,Config::File);
+    cfg.setGroup("Info");
+    QString type = cfg.readEntry("Type");
+    NetworkInterface* plugin = Network::loadPlugin(type);
+    cfg.setGroup("Properties");
+    return plugin ? plugin->needPassword(cfg) : FALSE;
+}
+
+/*!
+  \internal
+*/
+bool Network::networkOnline()
+{
+    return ns && ns->networkOnline();
+}
+
+/*!
+  \internal
+*/
+void Network::createServer(QObject* parent)
+{
+    ns = new NetworkServer(parent);
+}
+
+/*!
+  \internal
+*/
+int Network::addStateWidgets(QWidget* parent)
+{
+    int n=0;
+    QStringList l = Network::choices();
+    QVBoxLayout* vb = new QVBoxLayout(parent);
+    for (QStringList::ConstIterator it=l.begin(); it!=l.end(); ++it) {
+        Config cfg(*it,Config::File);
+        cfg.setGroup("Info");
+        QString type = cfg.readEntry("Type");
+        NetworkInterface* plugin = Network::loadPlugin(type);
+        cfg.setGroup("Properties");
+        if ( plugin ) {
+            QWidget* w;
+            if ( (w=plugin->addStateWidget(parent,cfg)) ) {
+                n++;
+                vb->addWidget(w);
+            }
+        }
+    }
+    return n;
+}
+
+static QDict<NetworkInterface> *ifaces;
+
+/*!
+  \internal
+*/
+NetworkInterface* Network::loadPlugin(const QString& type)
+{
+#ifndef QT_NO_COMPONENT
+    if ( !ifaces ) ifaces = new QDict<NetworkInterface>;
+    NetworkInterface *iface = ifaces->find(type);
+    if ( !iface ) {
+        QString libfile = QPEApplication::qpeDir() + "/plugins/network/lib" + type + ".so";
+        QLibrary lib(libfile);
+        if ( !lib.queryInterface( IID_Network, (QUnknownInterface**)&iface ) == QS_OK )
+            return 0;
+        ifaces->insert(type,iface);
+        QString lang = getenv( "LANG" );
+        QTranslator * trans = new QTranslator(qApp);
+        QString tfn = QPEApplication::qpeDir()+"/i18n/"+lang+"/lib"+type+".qm";
+        if ( trans->load( tfn ))
+            qApp->installTranslator( trans );
+        else
+            delete trans;
+
+    }
+    return iface;
+#else
+    return 0;
+#endif
+}
+
+#include "network.moc"