include/wvunixlistener.h

   1 /* -*- Mode: C++ -*-
   2  * Worldvisions Weaver Software:
   3  *   Copyright (C) 1997-2002 Net Integration Technologies, Inc.
   4  *
   5  */
   6 #ifndef __WVUNIXLISTENER_H
   7 #define __WVUNIXLISTENER_H
   8
   9 #include "wvlistener.h"
  10 #include "wvaddr.h"
  11
  12 #ifndef _WIN32
  13
  14 /** Server end of a Unix Sockets stream */
  15 class WvUnixListener : public WvListener
  16 {
  17 public:
  18     WvUnixListener(const WvUnixAddr &_addr, int create_mode);
  19     virtual ~WvUnixListener();
  20     virtual void close();
  21
  22     /**
  23      * return a new WvUnixConn socket corresponding to a newly-accepted
  24      * connection.  If no connection is ready immediately, we wait for
  25      * one indefinitely.  You can use select(read=true) to check for a
  26      * waiting connection.
  27      */
  28     IWvStream *accept();
  29
  30     /**
  31      * Tell this listener to automatically accept new
  32      * connections, assigning them their own callback function 'cb'
  33      * Pass list==NULL or run setcallback() to disable auto-accepting.
  34      *
  35      * Be careful not to accept() connections yourself if you do this,
  36      * or we may end up accept()ing twice, causing a hang the second time.
  37      */
  38     void auto_accept(WvIStreamList *list, wv::function<void(IWvStream*)> cb);
  39
  40     /**
  41      * Like auto_accept() above, but always uses the globallist instead
  42      * of a user-defined list.
  43      */
  44     void auto_accept(wv::function<void(IWvStream*)> cb);
  45
  46     /** src() is a bit of a misnomer, but it returns the socket address. */
  47     virtual const WvUnixAddr *src() const;
  48
  49 protected:
  50     WvUnixAddr addr;
  51     bool bound_okay;
  52
  53     void accept_callback(WvIStreamList *list,
  54                          wv::function<void(IWvStream*)> cb,
  55                          IWvStream *_connection);
  56
  57 public:
  58     const char *wstype() const { return "WvUnixListener"; }
  59 };
  60
  61 #endif // _WIN32
  62
  63 #endif // __WVUNIXLISTENER_H