1 /* This file is part of the yazpp toolkit.
2 * Copyright (C) 1998-2009 Index Data and Mike Taylor
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef YAZ_SOCKET_MANAGER_INCLUDED
29 #define YAZ_SOCKET_MANAGER_INCLUDED
31 #include <yazpp/socket-observer.h>
37 /** Simple Socket Manager.
38 Implements a stand-alone simple model that uses select(2) to
39 observe socket events.
41 class YAZ_EXPORT SocketManager : public ISocketObservable {
44 ISocketObserver *observer;
52 SocketEntry *m_observers; // all registered observers
54 ISocketObserver *observer;
56 SocketEvent *next; // front in queue
57 SocketEvent *prev; // back in queue
59 SocketEvent *m_queue_front;
60 SocketEvent *m_queue_back;
62 SocketEntry **lookupObserver
63 (ISocketObserver *observer);
64 SocketEvent *getEvent();
65 void putEvent(SocketEvent *event);
66 void removeEvent(ISocketObserver *observer);
68 void inspect_poll_result(int res, struct yaz_poll_fd *fds, int no_fds,
72 virtual void addObserver(int fd, ISocketObserver *observer);
73 /// Delete an observer
74 virtual void deleteObserver(ISocketObserver *observer);
75 /// Delete all observers
76 virtual void deleteObservers();
77 /// Set event mask for observer
78 virtual void maskObserver(ISocketObserver *observer, int mask);
80 virtual void timeoutObserver(ISocketObserver *observer,
82 /// Process one event. return > 0 if event could be processed;
85 virtual ~SocketManager();
94 * indent-tabs-mode: nil
96 * vim: shiftwidth=4 tabstop=8 expandtab