Security-222.tar.gz

[apple/security.git] / cdsa / cdsa_utilities / selector.h

diff --git a/cdsa/cdsa_utilities/selector.h b/cdsa/cdsa_utilities/selector.h
deleted file mode 100644 (file)
index d772e18..0000000
--- a/cdsa/cdsa_utilities/selector.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * 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.
- */
-
-
-//
-// selector - I/O stream multiplexing
-//
-#ifndef _H_SELECTOR
-#define _H_SELECTOR
-
-#include <Security/utilities.h>
-#include <Security/fdsel.h>
-#include "timeflow.h"
-#include <sys/types.h>
-#include <cstdio>
-#include <cstdarg>
-#include <map>
-#include <Security/debugging.h>
-
-
-namespace Security {
-namespace UnixPlusPlus {
-
-
-//
-// A Selector is an I/O dispatch facility that can supervise any number of "file descriptors",
-// each of which can perform I/O. Obviously this is geared towards the UNIX facility.
-//
-class Selector {
-public:
-    class Client; friend class Client;
-
-    Selector();
-    virtual ~Selector();
-    
-    //@@@ preliminary interface
-    void operator () ();               // run just once (now)
-    void operator () (Time::Absolute stopTime);
-    void operator () (Time::Interval duration)
-    { (*this)(Time::now() + duration); }
-    
-    typedef unsigned int Type;
-    static const Type none = 0x00;
-    static const Type input = 0x01;
-    static const Type output = 0x02;
-    static const Type critical = 0x04;
-    static const Type all = input | output | critical;
-    
-public:
-    class Client {
-    public:
-        typedef Selector::Type Type;
-        friend class Selector;
-
-        Client() : mSelector(NULL) { }
-        virtual void notify(int fd, Type type) = 0;
-        virtual ~Client() { }
-        
-        bool isActive() const          { return mSelector != NULL; }
-
-        static const Type input = Selector::input;
-        static const Type output = Selector::output;
-        static const Type critical = Selector::critical;
-        
-    protected:
-        void events(Type type) { mSelector->set(mFd, type); mEvents = type; }
-        Type events() const            { return mEvents; }
-
-        void enable(Type type) { events(events() | type); }
-        void disable(Type type)        { events(events() & ~type); }
-
-        template <class Sel> Sel &selectorAs()
-        { assert(mSelector); return safer_cast<Sel &>(*mSelector); }
-        
-    private:
-        int mFd;
-        Selector *mSelector;
-        Type mEvents;
-    };
-    
-    void add(int fd, Client &client, Type type = all);
-    void remove(int fd);
-    bool isEmpty() const                               { return clientMap.empty(); }
-    
-private:
-    void set(int fd, Type type);               // (re)set mask for one client
-    
-    void singleStep(Time::Interval maxWait);
-    
-private:
-    unsigned int fdSetSize;                            // number of fd_masks allocated in FDSets
-    int fdMin, fdMax;                                  // highest/lowest fds in use
-    FDSet inSet, outSet, errSet;               // current in/out/error select masks
-    
-private:
-    typedef map<int, Client *> ClientMap;
-    ClientMap clientMap;
-};
-
-
-}      // end namespace UnixPlusPlus
-}      // end namespace Security
-
-
-#endif //_H_SELECTOR