xorp

show_interfaces.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 
00003 // Copyright (c) 2001-2009 XORP, Inc.
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License, Version 2, June
00007 // 1991 as published by the Free Software Foundation. Redistribution
00008 // and/or modification of this program under the terms of any other
00009 // version of the GNU General Public License is not permitted.
00010 // 
00011 // This program is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00014 // see the GNU General Public License, Version 2, a copy of which can be
00015 // found in the XORP LICENSE.gpl file.
00016 // 
00017 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00018 // http://xorp.net
00019 
00020 // $XORP: xorp/fea/tools/show_interfaces.hh,v 1.11 2008/10/02 21:57:13 bms Exp $
00021 
00022 #ifndef __FEA_TOOLS_SHOW_INTERFACES_HH__
00023 #define __FEA_TOOLS_SHOW_INTERFACES_HH__
00024 
00025 
00026 #include "libxorp/service.hh"
00027 
00028 #include "libfeaclient/ifmgr_xrl_mirror.hh"
00029 
00030 
00031 class EventLoop;
00032 
00033 
00034 class InterfaceMonitor : public IfMgrHintObserver,
00035              public ServiceBase,
00036              public ServiceChangeObserverBase {
00037 public:
00047     InterfaceMonitor(EventLoop&     eventloop,
00048              const string&  class_name,
00049              const string&  finder_hostname,
00050              uint16_t       finder_port,
00051              const string&  fea_target);
00052 
00056     ~InterfaceMonitor();
00057 
00063     int startup();
00064 
00070     int shutdown();
00071 
00080     void print_interfaces(const string& print_iface_name) const;
00081 
00082 protected:
00083     //
00084     // IfMgrHintObserver methods
00085     //
00086     void tree_complete();
00087     void updates_made();
00088 
00089     void incr_startup_requests_n();
00090     void decr_startup_requests_n();
00091     void incr_shutdown_requests_n();
00092     void decr_shutdown_requests_n();
00093     void update_status();
00094 
00095 private:
00103     void status_change(ServiceBase*  service,
00104                ServiceStatus old_status,
00105                ServiceStatus new_status);
00106 
00112     const ServiceBase* ifmgr_mirror_service_base() const { return dynamic_cast<const ServiceBase*>(&_ifmgr); }
00113 
00119     const IfMgrIfTree&  ifmgr_iftree() const { return _ifmgr.iftree(); }
00120 
00126     int ifmgr_startup();
00127 
00133     int ifmgr_shutdown();
00134 
00135     EventLoop&      _eventloop;
00136 
00137     IfMgrXrlMirror  _ifmgr;
00138 
00139     //
00140     // Status-related state
00141     //
00142     size_t      _startup_requests_n;
00143     size_t      _shutdown_requests_n;
00144 };
00145 
00146 #endif // __FEA_TOOLS_SHOW_INTERFACES_HH__
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