/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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** packaging of this file. Please review the following information to
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****************************************************************************/
//#define QFTPPI_DEBUG
//#define QFTPDTP_DEBUG
#include "qftp.h"
#include "qabstractsocket.h"
#ifndef QT_NO_FTP
#include "qcoreapplication.h"
#include "qtcpsocket.h"
#include "qurlinfo.h"
#include "qstringlist.h"
#include "qregexp.h"
#include "qtimer.h"
#include "qfileinfo.h"
#include "qhash.h"
#include "qtcpserver.h"
#include "qlocale.h"
QT_BEGIN_NAMESPACE
//#define QFTPDTP_DEBUG
class QFtpPI;
/*
The QFtpDTP (DTP = Data Transfer Process) controls all client side
data transfer between the client and server.
*/
class QFtpDTP : public QObject
{
Q_OBJECT
public:
enum ConnectState {
CsHostFound,
CsConnected,
CsClosed,
CsHostNotFound,
CsConnectionRefused
};
QFtpDTP(QFtpPI *p, QObject *parent = 0);
void setData(QByteArray *);
void setDevice(QIODevice *);
void writeData();
void setBytesTotal(qint64 bytes);
bool hasError() const;
QString errorMessage() const;
void clearError();
void connectToHost(const QString & host, quint16 port);
int setupListener(const QHostAddress &address);
void waitForConnection();
QTcpSocket::SocketState state() const;
qint64 bytesAvailable() const;
qint64 read(char *data, qint64 maxlen);
QByteArray readAll();
void abortConnection();
static bool parseDir(const QByteArray &buffer, const QString &userName, QUrlInfo *info);
signals:
void listInfo(const QUrlInfo&);
void readyRead();
void dataTransferProgress(qint64, qint64);
void connectState(int);
private slots:
void socketConnected();
void socketReadyRead();
void socketError(QAbstractSocket::SocketError);
void socketConnectionClosed();
void socketBytesWritten(qint64);
void setupSocket();
void dataReadyRead();
private:
void clearData();
QTcpSocket *socket;
QTcpServer listener;
QFtpPI *pi;
QString err;
qint64 bytesDone;
qint64 bytesTotal;
bool callWriteData;
// If is_ba is true, ba is used; ba is never 0.
// Otherwise dev is used; dev can be 0 or not.
union {
QByteArray *ba;
QIODevice *dev;
} data;
bool is_ba;
QByteArray bytesFromSocket;
};
/**********************************************************************
*
* QFtpPI - Protocol Interpreter
*
*********************************************************************/
class QFtpPI : public QObject
{
Q_OBJECT
public:
QFtpPI(QObject *parent = 0);
void connectToHost(const QString &host, quint16 port);
bool sendCommands(const QStringList &cmds);
bool sendCommand(const QString &cmd)
{ return sendCommands(QStringList(cmd)); }
void clearPendingCommands();
void abort();
QString currentCommand() const
{ return currentCmd; }
bool rawCommand;
bool transferConnectionExtended;
QFtpDTP dtp; // the PI has a DTP which is not the design of RFC 959, but it
// makes the design simpler this way
signals:
void connectState(int);
void finished(const QString&);
void error(int, const QString&);
void rawFtpReply(int, const QString&);
private slots:
void hostFound();
void connected();
void connectionClosed();
void delayedCloseFinished();
void readyRead();
void error(QAbstractSocket::SocketError);
void dtpConnectState(int);
private:
// the states are modelled after the generalized state diagram of RFC 959,
// page 58
enum State {
Begin,
Idle,
Waiting,
Success,
Failure
};
enum AbortState {
None,
AbortStarted,
WaitForAbortToFinish
};
bool processReply();
bool startNextCmd();
QTcpSocket commandSocket;
QString replyText;
char replyCode[3];
State state;
AbortState abortState;
QStringList pendingCommands;
QString currentCmd;
bool waitForDtpToConnect;
bool waitForDtpToClose;
QByteArray bytesFromSocket;
friend class QFtpDTP;
};
/**********************************************************************
*
* QFtpCommand implemenatation
*
*********************************************************************/
class QFtpCommand
{
public:
QFtpCommand(QFtp::Command cmd, QStringList raw, const QByteArray &ba);
QFtpCommand(QFtp::Command cmd, QStringList raw, QIODevice *dev = 0);
~QFtpCommand();
int id;
QFtp::Command command;
QStringList rawCmds;
// If is_ba is true, ba is used; ba is never 0.
// Otherwise dev is used; dev can be 0 or not.
union {
QByteArray *ba;
QIODevice *dev;
} data;
bool is_ba;
static QBasicAtomicInt idCounter;
};
QBasicAtomicInt QFtpCommand::idCounter = Q_BASIC_ATOMIC_INITIALIZER(1);
QFtpCommand::QFtpCommand(QFtp::Command cmd, QStringList raw, const QByteArray &ba)
: command(cmd), rawCmds(raw), is_ba(true)
{
id = idCounter.fetchAndAddRelaxed(1);
data.ba = new QByteArray(ba);
}
QFtpCommand::QFtpCommand(QFtp::Command cmd, QStringList raw, QIODevice *dev)
: command(cmd), rawCmds(raw), is_ba(false)
{
id = idCounter.fetchAndAddRelaxed(1);
data.dev = dev;
}
QFtpCommand::~QFtpCommand()
{
if (is_ba)
delete data.ba;
}
/**********************************************************************
*
* QFtpDTP implemenatation
*
*********************************************************************/
QFtpDTP::QFtpDTP(QFtpPI *p, QObject *parent) :
QObject(parent),
socket(0),
listener(this),
pi(p),
callWriteData(false)
{
clearData();
listener.setObjectName(QLatin1String("QFtpDTP active state server"));
connect(&listener, SIGNAL(newConnection()), SLOT(setupSocket()));
}
void QFtpDTP
没有合适的资源?快使用搜索试试~ 我知道了~
温馨提示
示例包含了FTP登录,为方便演示,本次连接的FTP服务器就是上篇文章中介绍的在windows本机搭建的FTP服务器。Demo功能包括:选择文件夹进行批量上传文件,列举FTP服务器上的所有文件,以及文件实时上传进度 这几个重要功能。其实QFTP还提供了很多其他接口,用法都是差不多的,可以举一反三。
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收起资源包目录
QFtpDemo-master.zip (46个子文件)
QFtpDemo
main.cpp 175B
qurlinfo.cpp 17KB
qftp.h 5KB
widget.h 641B
qurlinfo.h 5KB
widget.cpp 3KB
Demo截图.png 13KB
QFtpDemo.pro 701B
.git
HEAD 23B
index 745B
COMMIT_EDITMSG 10B
tgitchangelist 0B
objects
f4
2631dae9abc415b31295d641fa73fcb395867a 1KB
4e5d06713fe2d4544715c884c3264b4bf61486 318B
d8
399a906ad42f1d26cf4375147c5790e1ce7540 1KB
pack
18
4f75ff975bfdccea67e919b62a2fe52d26a6e6 440B
23
1f3f93a84daea7a1bbecdef3a95ac3d96ace5e 285B
b0
a4ec26478f6b9aba3e1747ec464ea0c26dd5b9 135B
3b
859d3b08ff0c3abd45cd55d561cb99ee750ac2 1KB
09
463906790bb397fb9afe78896ab878f137d2ef 122B
c2
9a77c3adcd5a454b1070707312d2be6f207265 21KB
34
29542bc03907ec60508412213adaf755e1ffc4 4KB
a3
4b3f288cbdf2a9fdcaab6bba46a05cb6f4aed7 2KB
info
description 73B
config 130B
info
exclude 240B
hooks
pre-applypatch.sample 424B
pre-commit.sample 2KB
pre-merge-commit.sample 416B
applypatch-msg.sample 478B
pre-rebase.sample 5KB
commit-msg.sample 896B
prepare-commit-msg.sample 1KB
update.sample 4KB
pre-receive.sample 544B
fsmonitor-watchman.sample 5KB
post-update.sample 189B
pre-push.sample 1KB
logs
HEAD 161B
refs
heads
master 161B
refs
tags
heads
master 41B
widget.ui 6KB
Bin
QFtpDemo.ilk 3.08MB
QFtpDemo.pdb 4.17MB
QFtpDemo.exe 279KB
qftp.cpp 78KB
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