| 1 | // [License]
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| 2 | // The Ariba-Underlay Copyright
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| 3 | //
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| 4 | // Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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| 5 | //
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| 6 | // Institute of Telematics
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| 7 | // UniversitÀt Karlsruhe (TH)
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| 8 | // Zirkel 2, 76128 Karlsruhe
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| 9 | // Germany
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| 10 | //
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| 11 | // Redistribution and use in source and binary forms, with or without
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| 12 | // modification, are permitted provided that the following conditions are
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| 13 | // met:
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| 14 | //
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| 15 | // 1. Redistributions of source code must retain the above copyright
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| 16 | // notice, this list of conditions and the following disclaimer.
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| 17 | // 2. Redistributions in binary form must reproduce the above copyright
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| 18 | // notice, this list of conditions and the following disclaimer in the
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| 19 | // documentation and/or other materials provided with the distribution.
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| 20 | //
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| 21 | // THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
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| 22 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 24 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
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| 25 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 27 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 28 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 29 | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 30 | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 31 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 32 | //
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| 33 | // The views and conclusions contained in the software and documentation
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| 34 | // are those of the authors and should not be interpreted as representing
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| 35 | // official policies, either expressed or implied, of the Institute of
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| 36 | // Telematics.
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| 37 | // [License]
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| 38 |
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| 39 | #ifndef __PATHLOAD_MEASUREMENT_H
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| 40 | #define __PATHLOAD_MEASUREMENT_H
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| 41 |
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| 42 | #include <unistd.h>
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| 43 | #include <signal.h>
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| 44 | #include <fcntl.h>
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| 45 | #include <sys/wait.h>
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| 46 | #include <boost/utility.hpp>
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| 47 | #include "ariba/utility/logging/Logging.h"
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| 48 | #include "ariba/utility/types/NodeID.h"
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| 49 | #include "ariba/utility/system/BlockingMethod.h"
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| 50 | #include "ariba/communication/EndpointDescriptor.h"
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| 51 | #include "ariba/overlay/BaseOverlay.h"
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| 52 |
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| 53 | using ariba::utility::NodeID;
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| 54 | using ariba::utility::BlockingMethod;
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| 55 | using ariba::communication::EndpointDescriptor;
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| 56 | using ariba::overlay::BaseOverlay;
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| 57 |
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| 58 | namespace ariba {
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| 59 | namespace utility {
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| 60 |
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| 61 | //*************************************************
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| 62 |
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| 63 | class PathloadMeasurementListener {
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| 64 | friend class PathloadMeasurement;
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| 65 | protected:
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| 66 | // mbps hols the MBit/s as floating point and -1 if the
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| 67 | // measurement was triggered by two nodes on our local machines
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| 68 | virtual void onMeasurement( NodeID node, double mbps ) = 0;
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| 69 | };
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| 70 |
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| 71 | //*************************************************
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| 72 |
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| 73 | class PathloadMeasurement : private boost::noncopyable, public BlockingMethod {
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| 74 | use_logging_h( PathloadMeasurement );
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| 75 | private:
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| 76 | volatile bool running;
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| 77 | PathloadMeasurementListener* listener;
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| 78 |
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| 79 | double resultMbps;
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| 80 | NodeID resultNode;
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| 81 | BaseOverlay* baseoverlay;
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| 82 | pid_t serverpid;
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| 83 |
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| 84 | protected:
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| 85 | PathloadMeasurement(BaseOverlay* _overlay);
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| 86 | virtual ~PathloadMeasurement();
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| 87 |
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| 88 | virtual void dispatchFunction();
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| 89 | virtual void blockingFunction();
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| 90 |
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| 91 | public:
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| 92 | static PathloadMeasurement& instance(BaseOverlay* _overlay = NULL) {
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| 93 | static PathloadMeasurement the_inst( _overlay );
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| 94 | return the_inst;
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| 95 | }
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| 96 |
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| 97 | void measure( const NodeID& destnode, PathloadMeasurementListener* _listener );
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| 98 | };
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| 99 |
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| 100 | //*************************************************
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| 101 |
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| 102 | }} // namespace ariba, utility
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| 103 |
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| 104 | #endif // __PATHLOAD_MEASUREMENT_H
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