An Overlay-based
Virtual Network Substrate
SpoVNet

source: source/ariba/SideportListener.cpp @ 5872

Last change on this file since 5872 was 5872, checked in by Christoph Mayer, 14 years ago

sideport fix

File size: 5.4 KB
Line 
1// [License]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OF TELEMATICS OR
25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [License]
38
39#include "SideportListener.h"
40
41#include "ariba/overlay/BaseOverlay.h"
42#include "ariba/overlay/LinkDescriptor.h"
43#include "ariba/utility/addressing/endpoint_set.hpp"
44
45using ariba::overlay::LinkDescriptor;
46
47namespace ariba {
48
49SideportListener SideportListener::DEFAULT;
50
51SideportListener::SideportListener() : overlay(NULL) {
52}
53
54SideportListener::~SideportListener(){
55}
56
57string SideportListener::getEndpointDescription( const LinkID& link ) const {
58        if( overlay == NULL ) return "";
59        return overlay->getEndpointDescriptor(link).toString();
60}
61
62string SideportListener::getEndpointDescription( const NodeID& node ) const {
63        if( overlay == NULL ) return "";
64        return overlay->getEndpointDescriptor(node).toString();
65}
66
67const NodeID& SideportListener::getNodeID( const LinkID& link ) const {
68        if( overlay == NULL ) return NodeID::UNSPECIFIED;
69        return overlay->getNodeID(link);
70}
71
72vector<LinkID> SideportListener::getLinkIDs( const NodeID& node ) const {
73        if( overlay == NULL ) return vector<LinkID>();
74        return overlay->getLinkIDs( node );
75}
76
77vector<NodeID> SideportListener::getOverlayNeighbors(bool deep){
78        vector<NodeID> nodes;
79        if( overlay == NULL ) return nodes;
80
81        nodes = overlay->getOverlayNeighbors(deep);
82        return nodes;
83}
84
85bool SideportListener::isRelayedNode(const NodeID& node){
86        if( overlay == NULL ) return false;
87
88        bool relay = false;
89
90        BOOST_FOREACH( LinkDescriptor* link, overlay->links ){
91
92                // is we find a direct connection this is not a relayed node
93                if(link->relayed == false && link->remoteNode == node && link->up)
94                        return false;
95
96                // if we find a relay connection this can be a relayed node
97                // but only if we find no direct connection as above
98                if( link->relayed && link->remoteNode == node && link->up)
99                        relay = true;
100        }
101
102        return relay;
103}
104
105bool SideportListener::isRelayingNode(const NodeID& node){
106        if( overlay == NULL ) return false;
107
108        BOOST_FOREACH( LinkDescriptor* link, overlay->links ){
109                if( link->relaying && link->remoteNode == node && link->up)
110                        return true;
111        }
112
113        return false;
114}
115
116SideportListener::Protocol SideportListener::getReachabilityProtocol(const NodeID& node){
117        int ret = SideportListener::undefined;
118        if( overlay == NULL ) return (Protocol)ret;
119
120        using namespace ariba::addressing;
121
122        LinkDescriptor* link = NULL;
123        BOOST_FOREACH( LinkDescriptor* lnk, overlay->links ){
124                if(lnk->up && lnk->remoteNode == node && !lnk->relayed && lnk->communicationUp){
125                        link = lnk;
126                        break;
127                }
128        }
129
130        if (link == NULL) return (Protocol)ret;
131
132        BaseCommunication::LinkDescriptor& bclink =
133                overlay->bc->queryLocalLink(link->communicationId);
134
135        if(bclink.isUnspecified() || bclink.remoteLocator == NULL) return (Protocol)ret;
136
137        const address_v* locator = bclink.remoteLocator;
138
139        if( locator->instanceof<tcpip_endpoint>() ){
140                tcpip_endpoint tcpip = *locator;
141
142                if( tcpip.address().is_v4() || tcpip.address().is_v4_mapped() ){
143                        ret = SideportListener::ipv4;
144                }else if( tcpip.address().is_v6() ){
145                        ret = SideportListener::ipv6;
146                }
147
148        }else if( locator->instanceof<rfcomm_endpoint>() ){
149                ret = SideportListener::rfcomm;
150        }
151
152        return (Protocol)ret;
153}
154
155void SideportListener::configure( overlay::BaseOverlay* _overlay ) {
156        overlay = _overlay;
157}
158
159void SideportListener::onLinkUp(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
160}
161
162void SideportListener::onLinkDown(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
163}
164
165void SideportListener::onLinkChanged(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
166}
167
168void SideportListener::onLinkFail(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
169}
170
171} // namespace ariba
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