| 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 INSTITUTE OF TELEMATICS 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 SIDEPORTLISTENER_H_
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| 40 | #define SIDEPORTLISTENER_H_
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| 41 |
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| 42 | #include <vector>
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| 43 | #include "Identifiers.h"
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| 44 | #include "CommunicationListener.h"
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| 45 |
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| 46 | using std::vector;
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| 47 |
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| 48 | namespace ariba {
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| 49 |
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| 50 | // forward declerations
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| 51 | class Node;
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| 52 | class AribaModule;
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| 53 | namespace overlay {
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| 54 | class BaseOverlay;
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| 55 | }
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| 56 |
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| 57 | /**
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| 58 | * A sideport class to gather advanced information about nodes, links,
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| 59 | * their endpoints and get information about all link activity on a node.
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| 60 | *
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| 61 | * @author Christoph Mayer <mayer@tm.uka.de>
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| 62 | */
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| 63 | class SideportListener {
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| 64 |
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| 65 | friend class Node;
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| 66 | friend class AribaModule;
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| 67 | friend class overlay::BaseOverlay;
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| 68 |
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| 69 | public:
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| 70 |
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| 71 | /**
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| 72 | * A default object of the SideportListener that has empty
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| 73 | * event functions and will return invalid information.
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| 74 | */
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| 75 | static SideportListener DEFAULT;
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| 76 |
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| 77 | /**
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| 78 | * Constructor of the SideportListener.
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| 79 | */
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| 80 | SideportListener();
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| 81 |
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| 82 | /**
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| 83 | * Virtual Desctructor for the SideportListener.
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| 84 | */
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| 85 | virtual ~SideportListener();
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| 86 |
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| 87 | /**
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| 88 | * Get a descriptive string that identifies
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| 89 | * the remote endpoint for the given link.
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| 90 | *
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| 91 | * @param link The link to query endpoint information for.
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| 92 | * @return A descriptive endpoint information.
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| 93 | */
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| 94 | string getEndpointDescription(
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| 95 | const LinkID& link
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| 96 | ) const;
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| 97 |
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| 98 | /**
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| 99 | * Get a descriprive string that identifiers the remote node.
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| 100 | *
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| 101 | * @param node The node id to query endpoint information.
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| 102 | * @return A descriptive endpoint information.
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| 103 | */
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| 104 | string getEndpointDescription(
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| 105 | const NodeID& node = NodeID::UNSPECIFIED
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| 106 | ) const;
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| 107 |
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| 108 | /**
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| 109 | * Get the remote endpoint node id for the given string,
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| 110 | * or the local nodeid for an unspecified link.
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| 111 | *
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| 112 | * @param link The link to get the remote node.
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| 113 | * @return The nodeid of the remote end of the link
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| 114 | * or the local nodeid for an unspecified link.
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| 115 | */
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| 116 | const NodeID& getNodeID(
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| 117 | const LinkID& link = LinkID::UNSPECIFIED
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| 118 | ) const;
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| 119 |
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| 120 | /**
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| 121 | * Get all links that end at the specified node id.
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| 122 | * Or all links from the local node when the node id
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| 123 | * is set to unspecified.
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| 124 | *
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| 125 | * @param The remote node to query all links or unspecified
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| 126 | * for all local starting links
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| 127 | * @return A vector of link ids.
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| 128 | */
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| 129 | vector<LinkID> getLinkIDs(
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| 130 | const NodeID& node = NodeID::UNSPECIFIED
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| 131 | ) const;
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| 132 |
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| 133 | protected:
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| 134 |
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| 135 | /**
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| 136 | * Notification function when a link has gone up.
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| 137 | *
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| 138 | * @param lnk The corresponding link id.
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| 139 | * @param local The local node id.
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| 140 | * @param remote The remote node id.
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| 141 | * @param spovnet The SpoVNet ID.
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| 142 | */
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| 143 | virtual void onLinkUp(
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| 144 | const LinkID& lnk,
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| 145 | const NodeID& local,
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| 146 | const NodeID& remote,
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| 147 | const SpoVNetID& spovnet
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| 148 | );
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| 149 |
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| 150 | /**
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| 151 | * Notification function when a link has gone down.
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| 152 | *
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| 153 | * @param lnk The corresponding link id.
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| 154 | * @param local The local node id.
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| 155 | * @param remote The remote node id.
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| 156 | * @param spovnet The SpoVNet ID.
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| 157 | */
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| 158 | virtual void onLinkDown(
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| 159 | const LinkID& lnk,
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| 160 | const NodeID& local,
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| 161 | const NodeID& remote,
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| 162 | const SpoVNetID& spovnet
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| 163 | );
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| 164 |
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| 165 | /**
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| 166 | * Notification function when a link has changed
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| 167 | *
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| 168 | * @param lnk The corresponding link id.
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| 169 | * @param local The local node id.
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| 170 | * @param remote The remote node id.
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| 171 | * @param spovnet The SpoVNet ID.
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| 172 | */
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| 173 | virtual void onLinkChanged(
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| 174 | const LinkID& lnk,
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| 175 | const NodeID& local,
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| 176 | const NodeID& remote,
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| 177 | const SpoVNetID& spovnet
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| 178 | );
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| 179 |
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| 180 | /**
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| 181 | * Notification function when a link has failed
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| 182 | *
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| 183 | * @param lnk The corresponding link id.
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| 184 | * @param local The local node id.
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| 185 | * @param remote The remote node id.
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| 186 | * @param spovnet The SpoVNet ID.
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| 187 | */
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| 188 | virtual void onLinkFail(
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| 189 | const LinkID& lnk,
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| 190 | const NodeID& local,
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| 191 | const NodeID& remote,
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| 192 | const SpoVNetID& spovnet
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| 193 | );
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| 194 |
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| 195 | private:
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| 196 |
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| 197 | /**
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| 198 | * Configure the sideport with the correct base overlay.
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| 199 | *
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| 200 | * @param _overlay The BaseOverlay where to attach the sideport.
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| 201 | */
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| 202 | void configure(
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| 203 | overlay::BaseOverlay* _overlay
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| 204 | );
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| 205 |
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| 206 | /**
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| 207 | * The configured BaseOverlay where
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| 208 | * the sideport is attached to.
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| 209 | */
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| 210 | overlay::BaseOverlay* overlay;
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| 211 |
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| 212 | };
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| 213 |
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| 214 | } // namespace ariba
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| 215 |
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| 216 | #endif // SIDEPORTLISTENER_H_
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