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iris-legacy/iris/jabber/filetransfer.h

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+/*
+ * filetransfer.h - File Transfer
+ * Copyright (C) 2004  Justin Karneges
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef XMPP_FILETRANSFER_H
+#define XMPP_FILETRANSFER_H
+
+#include "im.h"
+
+namespace XMPP
+{
+	class S5BConnection;
+	struct FTRequest;
+
+	/*class AbstractFileTransfer 
+	{
+		public:
+			// Receive
+			virtual Jid peer() const = 0;
+			virtual QString fileName() const = 0;
+			virtual qlonglong fileSize() const = 0;
+			virtual QString description() const { return ""; }
+			virtual bool rangeSupported() const { return false; }
+			virtual void accept(qlonglong offset=0, qlonglong length=0) = 0;
+	};*/
+
+	class FileTransfer : public QObject /*, public AbstractFileTransfer */
+	{
+		Q_OBJECT
+	public:
+		enum { ErrReject, ErrNeg, ErrConnect, ErrProxy, ErrStream };
+		enum { Idle, Requesting, Connecting, WaitingForAccept, Active };
+		~FileTransfer();
+
+		FileTransfer *copy() const;
+
+		void setProxy(const Jid &proxy);
+
+		// send
+		void sendFile(const Jid &to, const QString &fname, qlonglong size, const QString &desc);
+		qlonglong offset() const;
+		qlonglong length() const;
+		int dataSizeNeeded() const;
+		void writeFileData(const QByteArray &a);
+
+		// receive
+		Jid peer() const;
+		QString fileName() const;
+		qlonglong fileSize() const;
+		QString description() const;
+		bool rangeSupported() const;
+		void accept(qlonglong offset=0, qlonglong length=0);
+
+		// both
+		void close(); // reject, or stop sending/receiving
+		S5BConnection *s5bConnection() const; // active link
+
+	signals:
+		void accepted(); // indicates S5BConnection has started
+		void connected();
+		void readyRead(const QByteArray &a);
+		void bytesWritten(int);
+		void error(int);
+
+	private slots:
+		void ft_finished();
+		void s5b_connected();
+		void s5b_connectionClosed();
+		void s5b_readyRead();
+		void s5b_bytesWritten(int);
+		void s5b_error(int);
+		void doAccept();
+
+	private:
+		class Private;
+		Private *d;
+
+		void reset();
+
+		friend class FileTransferManager;
+		FileTransfer(FileTransferManager *, QObject *parent=0);
+		FileTransfer(const FileTransfer& other);
+		void man_waitForAccept(const FTRequest &req);
+		void takeConnection(S5BConnection *c);
+	};
+
+	class FileTransferManager : public QObject
+	{
+		Q_OBJECT
+	public:
+		FileTransferManager(Client *);
+		~FileTransferManager();
+
+		bool isActive(const FileTransfer *ft) const;
+
+		Client *client() const;
+		FileTransfer *createTransfer();
+		FileTransfer *takeIncoming();
+
+	signals:
+		void incomingReady();
+
+	private slots:
+		void pft_incoming(const FTRequest &req);
+
+	private:
+		class Private;
+		Private *d;
+
+		friend class Client;
+		void s5b_incomingReady(S5BConnection *);
+
+		friend class FileTransfer;
+		QString link(FileTransfer *);
+		void con_accept(FileTransfer *);
+		void con_reject(FileTransfer *);
+		void unlink(FileTransfer *);
+	};
+
+	class JT_FT : public Task
+	{
+		Q_OBJECT
+	public:
+		JT_FT(Task *parent);
+		~JT_FT();
+
+		void request(const Jid &to, const QString &id, const QString &fname, qlonglong size, const QString &desc, const QStringList &streamTypes);
+		qlonglong rangeOffset() const;
+		qlonglong rangeLength() const;
+		QString streamType() const;
+
+		void onGo();
+		bool take(const QDomElement &);
+
+	private:
+		class Private;
+		Private *d;
+	};
+
+	struct FTRequest
+	{
+		Jid from;
+		QString iq_id, id;
+		QString fname;
+		qlonglong size;
+		QString desc;
+		bool rangeSupported;
+		QStringList streamTypes;
+	};
+	class JT_PushFT : public Task
+	{
+		Q_OBJECT
+	public:
+		JT_PushFT(Task *parent);
+		~JT_PushFT();
+
+		void respondSuccess(const Jid &to, const QString &id, qlonglong rangeOffset, qlonglong rangeLength, const QString &streamType);
+		void respondError(const Jid &to, const QString &id, int code, const QString &str);
+
+		bool take(const QDomElement &);
+
+	signals:
+		void incoming(const FTRequest &req);
+	};
+}
+
+#endif