diff options
Diffstat (limited to 'examples/network/infoprotocol/infourlclient')
7 files changed, 429 insertions, 0 deletions
diff --git a/examples/network/infoprotocol/infourlclient/client.cpp b/examples/network/infoprotocol/infourlclient/client.cpp new file mode 100644 index 0000000..712090f --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/client.cpp @@ -0,0 +1,60 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> +#include <qtextedit.h> +#include <qpushbutton.h> +#include <qfiledialog.h> + +#include "qip.h" +#include "client.h" + + + + +ClientInfo::ClientInfo( QWidget *parent, const char *name ) : + ClientInfoBase( parent, name ) +{ + connect( btnOpen, SIGNAL(clicked()), SLOT(downloadFile()) ); + connect( btnQuit, SIGNAL(clicked()), qApp, SLOT(quit()) ); + connect( &op, SIGNAL( data( const QByteArray &, QNetworkOperation * ) ), + this, SLOT( newData( const QByteArray & ) ) ); +} + +void ClientInfo::downloadFile() +{ + // under Windows you must not use the native file dialog + QString file = getOpenFileName(); + if ( !file.isEmpty() ) { + infoText->clear(); + // download the data + op = file; + op.get(); + } +} + +QString ClientInfo::getOpenFileName() +{ + static QString workingDirectory( "qip://localhost/" ); + + QFileDialog dlg( workingDirectory, QString::null, 0, 0, TRUE ); + dlg.setCaption( QFileDialog::tr( "Open" ) ); + dlg.setMode( QFileDialog::ExistingFile ); + QString result; + if ( dlg.exec() == QDialog::Accepted ) { + result = dlg.selectedFile(); + workingDirectory = dlg.url(); + } + return result; +} + +void ClientInfo::newData( const QByteArray &ba ) +{ + infoText->append( QString::fromUtf8( ba ) ); +} diff --git a/examples/network/infoprotocol/infourlclient/client.h b/examples/network/infoprotocol/infourlclient/client.h new file mode 100644 index 0000000..ca8340b --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/client.h @@ -0,0 +1,35 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef CLIENT_H +#define CLIENT_H + +#include <qurloperator.h> + +#include "clientbase.h" + + +class ClientInfo : public ClientInfoBase +{ + Q_OBJECT + +public: + ClientInfo( QWidget *parent = 0, const char *name = 0 ); + +private slots: + void downloadFile(); + void newData( const QByteArray &ba ); + +private: + QUrlOperator op; + QString getOpenFileName(); +}; + +#endif // CLIENT_H + diff --git a/examples/network/infoprotocol/infourlclient/clientbase.ui b/examples/network/infoprotocol/infourlclient/clientbase.ui new file mode 100644 index 0000000..e18b9a3 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/clientbase.ui @@ -0,0 +1,118 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>ClientInfoBase</class> +<widget class="QWidget"> + <property name="name"> + <cstring>ClientInfoBase</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>325</width> + <height>279</height> + </rect> + </property> + <property name="caption"> + <string>Info Client Protocol</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout5</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnOpen</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Open</string> + </property> + <property name="default"> + <bool>true</bool> + </property> + <property name="toolTip" stdset="0"> + <string>open data</string> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer4</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnQuit</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Quit</string> + </property> + </widget> + </hbox> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="text"> + <string>Data:</string> + </property> + </widget> + <widget class="QTextEdit"> + <property name="name"> + <cstring>infoText</cstring> + </property> + <property name="readOnly"> + <bool>true</bool> + </property> + </widget> + </vbox> +</widget> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/infoprotocol/infourlclient/infourlclient.pro b/examples/network/infoprotocol/infourlclient/infourlclient.pro new file mode 100644 index 0000000..219083d --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/infourlclient.pro @@ -0,0 +1,13 @@ +TEMPLATE = app +TARGET = infourlclient + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = client.h \ + qip.h +SOURCES = main.cpp \ + client.cpp \ + qip.cpp +INTERFACES = clientbase.ui diff --git a/examples/network/infoprotocol/infourlclient/main.cpp b/examples/network/infoprotocol/infourlclient/main.cpp new file mode 100644 index 0000000..677f8a1 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/main.cpp @@ -0,0 +1,23 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> + +#include "qip.h" +#include "client.h" + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + QNetworkProtocol::registerNetworkProtocol( "qip", new QNetworkProtocolFactory< Qip > ); + ClientInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} diff --git a/examples/network/infoprotocol/infourlclient/qip.cpp b/examples/network/infoprotocol/infourlclient/qip.cpp new file mode 100644 index 0000000..ef71ea3 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/qip.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qurlinfo.h> +#include <qurloperator.h> +#include <qtextstream.h> + +#include "qip.h" + + +Qip::Qip() +{ + state = Start; + socket = new QSocket( this ); + connect( socket, SIGNAL(connected()), SLOT(socketConnected()) ); + connect( socket, SIGNAL(connectionClosed()), SLOT(socketConnectionClosed()) ); + connect( socket, SIGNAL(readyRead()), SLOT(socketReadyRead()) ); + connect( socket, SIGNAL(error(int)), SLOT(socketError(int)) ); +} + +int Qip::supportedOperations() const +{ + return OpListChildren | OpGet; +} + +bool Qip::checkConnection( QNetworkOperation * ) +{ + if ( socket->isOpen() ) + return TRUE; + + // don't call connectToHost() if we are already trying to connect + if ( socket->state() == QSocket::Connecting ) + return FALSE; + + socket->connectToHost( url()->host(), url()->port() != -1 ? url()->port() : infoPort ); + return FALSE; +} + +void Qip::operationListChildren( QNetworkOperation * ) +{ + QTextStream os(socket); + os << "LIST " + url()->path() + "\r\n"; + operationInProgress()->setState( StInProgress ); +} + +void Qip::operationGet( QNetworkOperation * ) +{ + QTextStream os(socket); + os << "GET " + url()->path() + "\r\n"; + operationInProgress()->setState( StInProgress ); +} + +void Qip::socketConnected() +{ + if ( url() ) + emit connectionStateChanged( ConConnected, tr( "Connected to host %1" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConConnected, tr ("Connected to host" ) ); +} + +void Qip::socketConnectionClosed() +{ + if ( url() ) + emit connectionStateChanged( ConClosed, tr( "Connection to %1 closed" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConClosed, tr ("Connection closed" ) ); +} + +void Qip::socketError( int code ) +{ + if ( code == QSocket::ErrHostNotFound || + code == QSocket::ErrConnectionRefused ) { + error( ErrHostNotFound, tr( "Host not found or couldn't connect to: %1\n" ).arg( url()->host() ) ); + } else + error( ErrUnsupported, tr( "Error" ) ); +} + +void Qip::socketReadyRead() +{ + // read from the server + QTextStream stream( socket ); + QString line; + while ( socket->canReadLine() ) { + line = stream.readLine(); + if ( line.startsWith( "500" ) ) { + error( ErrValid, line.mid( 4 ) ); + } else if ( line.startsWith( "550" ) ) { + error( ErrFileNotExisting, line.mid( 4 ) ); + } else if ( line.startsWith( "212+" ) ) { + if ( state != List ) { + state = List; + emit start( operationInProgress() ); + } + QUrlInfo inf; + inf.setName( line.mid( 6 ) + QString( ( line[ 4 ] == 'D' ) ? "/" : "" ) ); + inf.setDir( line[ 4 ] == 'D' ); + inf.setSymLink( FALSE ); + inf.setFile( line[ 4 ] == 'F' ); + inf.setWritable( FALSE ); + inf.setReadable( TRUE ); + emit newChild( inf, operationInProgress() ); + } else if ( line.startsWith( "213+" ) ) { + state = Data; + emit data( line.mid( 4 ).utf8(), operationInProgress() ); + } + if( line[3] == ' ' && state != Start) { + state = Start; + operationInProgress()->setState( StDone ); + emit finished( operationInProgress() ); + } + } +} + +void Qip::error( int code, const QString& msg ) +{ + if ( operationInProgress() ) { + operationInProgress()->setState( StFailed ); + operationInProgress()->setErrorCode( code ); + operationInProgress()->setProtocolDetail( msg ); + clearOperationQueue(); + emit finished( operationInProgress() ); + } + state = Start; +} + diff --git a/examples/network/infoprotocol/infourlclient/qip.h b/examples/network/infoprotocol/infourlclient/qip.h new file mode 100644 index 0000000..339e46b --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/qip.h @@ -0,0 +1,48 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef QIP_H +#define QIP_H + +#include <qnetworkprotocol.h> + +class QSocket; + +static const Q_UINT16 infoPort = 42417; + + +class Qip : public QNetworkProtocol +{ + Q_OBJECT + +public: + Qip(); + virtual int supportedOperations() const; + +protected: + virtual void operationListChildren( QNetworkOperation *op ); + virtual void operationGet( QNetworkOperation *op ); + virtual bool checkConnection( QNetworkOperation *op ); + +private slots: + void socketConnected(); + void socketReadyRead(); + void socketConnectionClosed(); + void socketError( int code ); + +private: + QSocket *socket; + enum State { Start, List, Data } state; + void error( int code, const QString& msg ); +}; + + + +#endif // QIP_H + |