/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (the 'License'). * You may not use this file except in compliance with the License. Please obtain * a copy of the License at http://www.apple.com/publicsource and read it before * using this file. * * This Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ // // protocol - generic interface to an access protocol // #ifndef _H_PROTOCOL #define _H_PROTOCOL #include #include "netmanager.h" using namespace IPPlusPlus; namespace Security { namespace Network { class Transfer; class Target; // // A Protocol object represents a particular transfer/access protocol. // class Protocol { public: Protocol(Manager &mgr, const char *prefix = NULL); virtual ~Protocol(); virtual const char *name() const; const char *urlPrefix() const { return mPrefix ? mPrefix : "?"; } typedef unsigned int Operation; enum { download = 1, // transfer data to sink upload = 2, // transfer data from source transaction = 3, // source-to-sink transaction mode protocolSpecific = 101 // starting here is protocol specific }; virtual Transfer *makeTransfer(const Target &target, Operation operation); Manager &manager; public: virtual bool isProxy() const; // true if this is a proxy protocol virtual const HostTarget &proxyHost() const; // proxy host if isProxy() private: const char *mPrefix; }; } // end namespace Network } // end namespace Security #endif /* _H_PROTOCOL */