2 * Copyright (c) 1998-2000, Index Data.
3 * See the file LICENSE for details.
5 * $Id: yaz-socket-manager.h,v 1.7 2000-09-12 16:40:33 heikki Exp $
8 #ifndef YAZ_SOCKET_MANAGER_INCLUDED
9 #define YAZ_SOCKET_MANAGER_INCLUDED
11 #include <yaz-socket-observer.h>
14 /** Simple Socket Manager.
15 Implements a stand-alone simple model that uses select(2) to
16 observe socket events.
18 class YAZ_EXPORT Yaz_SocketManager : public IYazSocketObservable {
20 struct YazSocketEntry {
21 IYazSocketObserver *observer;
28 YazSocketEntry *m_observers; // all registered observers
29 struct YazSocketEvent {
30 IYazSocketObserver *observer;
32 YazSocketEvent *next; // front in queue
33 YazSocketEvent *prev; // back in queue
35 YazSocketEvent *m_queue_front;
36 YazSocketEvent *m_queue_back;
38 YazSocketEntry **Yaz_SocketManager::lookupObserver
39 (IYazSocketObserver *observer);
40 YazSocketEvent *Yaz_SocketManager::getEvent();
41 void putEvent(YazSocketEvent *event);
42 void removeEvent(IYazSocketObserver *observer);
46 virtual void addObserver(int fd, IYazSocketObserver *observer);
47 /// Delete an observer
48 virtual void deleteObserver(IYazSocketObserver *observer);
49 /// Delete all observers
50 virtual void deleteObservers();
51 /// Set event mask for observer
52 virtual void maskObserver(IYazSocketObserver *observer, int mask);
54 virtual void timeoutObserver(IYazSocketObserver *observer,
56 /// Process one event. return > 0 if event could be processed;
57 int Yaz_SocketManager::processEvent();
59 virtual ~Yaz_SocketManager();