00001 // [License] 00002 // The Ariba-Underlay Copyright 00003 // 00004 // Copyright (c) 2008-2009, Institute of Telematics, Universität Karlsruhe (TH) 00005 // 00006 // Institute of Telematics 00007 // Universität Karlsruhe (TH) 00008 // Zirkel 2, 76128 Karlsruhe 00009 // Germany 00010 // 00011 // Redistribution and use in source and binary forms, with or without 00012 // modification, are permitted provided that the following conditions are 00013 // met: 00014 // 00015 // 1. Redistributions of source code must retain the above copyright 00016 // notice, this list of conditions and the following disclaimer. 00017 // 2. Redistributions in binary form must reproduce the above copyright 00018 // notice, this list of conditions and the following disclaimer in the 00019 // documentation and/or other materials provided with the distribution. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND 00022 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00023 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00024 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR 00025 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00026 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00027 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00033 // The views and conclusions contained in the software and documentation 00034 // are those of the authors and should not be interpreted as representing 00035 // official policies, either expressed or implied, of the Institute of 00036 // Telematics. 00037 // [License] 00038 00039 #ifndef __OVERLAY_BOOTSTRAP_H 00040 #define __OVERLAY_BOOTSTRAP_H 00041 00042 #include <string> 00043 #include <sstream> 00044 #include <ctime> 00045 #include <deque> 00046 #include <algorithm> 00047 #include <boost/thread/mutex.hpp> 00048 #include "ariba/utility/logging/Logging.h" 00049 #include "ariba/utility/types.h" 00050 #include "ariba/utility/system/Timer.h" 00051 #include "ariba/utility/bootstrap/BootstrapManager.h" 00052 #include "ariba/utility/bootstrap/BootstrapInformationCallback.h" 00053 #include "ariba/communication/EndpointDescriptor.h" 00054 #include "ariba/utility/system/SystemEventListener.h" 00055 #include "ariba/utility/system/SystemQueue.h" 00056 #include "ariba/utility/system/SystemEvent.h" 00057 #include "ariba/utility/system/SystemEventType.h" 00058 00059 using std::swap; 00060 using std::deque; 00061 using std::string; 00062 using std::ostringstream; 00063 using ariba::utility::SpoVNetID; 00064 using ariba::utility::NodeID; 00065 using ariba::utility::BootstrapManager; 00066 using ariba::utility::BootstrapInformationCallback; 00067 using ariba::communication::EndpointDescriptor; 00068 using ariba::utility::SystemEventType; 00069 using ariba::utility::SystemEvent; 00070 using ariba::utility::SystemQueue; 00071 using ariba::utility::Timer; 00072 using ariba::utility::SystemEventListener; 00073 00074 namespace ariba { 00075 namespace overlay { 00076 00077 class BaseOverlay; 00078 00079 class OverlayBootstrap : public BootstrapInformationCallback, public SystemEventListener { 00080 use_logging_h(OverlayBootstrap); 00081 public: 00082 OverlayBootstrap(); 00083 virtual ~OverlayBootstrap(); 00084 00085 void start(BaseOverlay* _overlay, const SpoVNetID& _spovnetid, const NodeID& _nodeid); 00086 void stop(); 00087 00088 void publish( const EndpointDescriptor& _ep ); 00089 void revoke(); 00090 00091 void recordJoin(const EndpointDescriptor& _ep); 00092 bool haveOverlayConnections(); 00093 00094 protected: 00095 virtual void handleSystemEvent(const SystemEvent& event); 00096 virtual void onBootstrapServiceFound(string name, string info1, string info2, string info); 00097 00098 private: 00099 class JoinData { 00100 public: 00101 JoinData() : spovnetid(), nodeid(), endpoint() { 00102 } 00103 00104 JoinData& operator=( const JoinData& rhs) { 00105 spovnetid = rhs.spovnetid; 00106 nodeid = rhs.nodeid; 00107 endpoint = rhs.endpoint; 00108 } 00109 00110 SpoVNetID spovnetid; 00111 NodeID nodeid; 00112 EndpointDescriptor endpoint; 00113 }; 00114 00115 BootstrapManager& manager; 00116 SpoVNetID spovnetid; 00117 NodeID nodeid; 00118 BaseOverlay* overlay; 00119 string randname; 00120 00121 class WatchdogTimer : public Timer { 00122 public: 00123 WatchdogTimer(OverlayBootstrap* _obj); 00124 void startWatchdog(); 00125 void stopWatchdog(); 00126 protected: 00127 virtual void eventFunction(); 00128 private: 00129 OverlayBootstrap* obj; 00130 }; 00131 00132 typedef deque<JoinData> JoinStack; 00133 JoinStack lastJoines; 00134 boost::mutex lastJoinesMutex; 00135 WatchdogTimer watchtimer; 00136 void checkOverlayStatus(); 00137 00138 00139 bool haveOverlayConnection; 00140 boost::mutex haveOverlayConnectionMutex; 00141 }; 00142 00143 }} // namespace ariba, overlay 00144 00145 #endif // __OVERLAY_BOOTSTRAP_H