/**
<summary>This handles only connection event for now.<\summary>
<param name="node">The node the deetoo is to serve from.<\param>
<param name="cl">The CacheList belongs to this node.<\param>
*/
public DeetooHandler(Node node, CacheList cl) {
_node = node;
_rpc = RpcManager.GetInstance(node);
_cl = cl;
//NetworkSize = _node.NetworkSize;
_local_network_size = _node.NetworkSize;
_median_network_size = _node.NetworkSize;
node.ConnectionTable.ConnectionEvent += this.GetEstimatedSize;
node.ConnectionTable.DisconnectionEvent += this.GetEstimatedSize;
node.ConnectionTable.ConnectionEvent += this.GetMedianEstimation;
node.ConnectionTable.DisconnectionEvent += this.GetMedianEstimation;
node.ConnectionTable.ConnectionEvent += this.ConnectionHandler;
//_rpc.AddHandler("Deetoo", this);
}
public MapReduceQuery(Node n, CacheList cl): base(n) {
_cl = cl;
}
/**
<summary>Creates a Brunet.Node, the resulting node will be available in
the class as _node.</summary>
<remarks>The steps to creating a node are first constructing it with a
namespace, optionally adding local ip addresses to bind to, specifying
local end points, specifying remote end points, and finally registering
the dht.</remarks>
*/
public virtual void CreateNode(string type) {
NodeConfig node_config = null;
StructuredNode current_node = null;
AHAddress address = null;
if (type == "cache") {
node_config = _c_node_config;
address = (AHAddress) AddressParser.Parse(node_config.NodeAddress);
current_node = new StructuredNode(address, node_config.BrunetNamespace);
}
else if ( type == "query" ) {
node_config = _q_node_config;
address = (AHAddress) AddressParser.Parse(node_config.NodeAddress);
current_node = new StructuredNode(address, node_config.BrunetNamespace);
}
else {
throw new Exception("Unrecognized node type: " + type);
}
IEnumerable addresses = IPAddresses.GetIPAddresses(node_config.DevicesToBind);
Brunet.EdgeListener el = null;
foreach(NodeConfig.EdgeListener item in node_config.EdgeListeners) {
int port = item.port;
if (item.type =="tcp") {
try {
el = new TcpEdgeListener(port, addresses);
}
catch {
el = new TcpEdgeListener(0, addresses);
}
}
else if (item.type == "udp") {
try {
el = new UdpEdgeListener(port, addresses);
}
catch {
el = new UdpEdgeListener(0, addresses);
}
}
else {
throw new Exception("Unrecognized transport: " + item.type);
}
current_node.AddEdgeListener(el);
}
el = new TunnelEdgeListener(current_node);
current_node.AddEdgeListener(el);
ArrayList RemoteTAs = null;
if(node_config.RemoteTAs != null) {
RemoteTAs = new ArrayList();
foreach(String ta in node_config.RemoteTAs) {
RemoteTAs.Add(TransportAddressFactory.CreateInstance(ta));
}
current_node.RemoteTAs = RemoteTAs;
}
try {
if (node_config.NCService.Enabled) {
if (type == "cache") {
_c_ncservice = new NCService(current_node, node_config.NCService.Checkpoint);
if (node_config.NCService.OptimizeShortcuts) {
current_node.Sco.TargetSelector = new VivaldiTargetSelector(current_node, _c_ncservice);
}
}
else {
_q_ncservice = new NCService(current_node, node_config.NCService.Checkpoint);
if (node_config.NCService.OptimizeShortcuts) {
current_node.Sco.TargetSelector = new VivaldiTargetSelector(current_node, _q_ncservice);
}
}
}
} catch {}
if (type == "cache") {
_c_dht = new Dht(current_node, 3, 20);
_cs = new CacheList(current_node);
current_node.MapReduce.SubscribeTask(new MapReduceCache(current_node,_cs));
current_node.MapReduce.SubscribeTask(new MapReduceCrawl(current_node));
_c_node = current_node;
}
else {
_q_dht = new Dht(current_node, 3, 20);
CacheList q_cs = new CacheList(current_node);
current_node.MapReduce.SubscribeTask(new MapReduceQuery(current_node,_cs));
current_node.MapReduce.SubscribeTask(new MapReduceCrawl(current_node));
_q_node = current_node;
}
}
//private Node _node;
/*
* @param cl CacheList object for caching.
*/
public MapReduceCache(Node n, CacheList cl): base(n) {
//_node = n;
_cl = cl;
}
