protected TransportAddress GetTransportAddress(int id)
{
string tas = String.Format("b.{0}://{1}",
TransportAddress.TATypeToString(TAType), id);
return(TransportAddressFactory.CreateInstance(tas));
}
public SimulationEdgeListener(int id, double loss_prob, TAAuthorizer ta_auth, bool use_delay) :
this(id, loss_prob, ta_auth, use_delay, TransportAddress.TAType.S,
new PublicNat(TransportAddressFactory.CreateInstance(
String.Format("b.{0}://{1}",
TransportAddress.TATypeToString(TransportAddress.TAType.S), id))))
{
}
/// <summary>Returns a Tunnel Sync message containing up to 40 addresses
/// first starting with previous overlap followed by new potential
/// connections for overlap.</summary>
public virtual IDictionary GetSyncMessage(IList <Connection> current_overlap,
Address local_addr, ConnectionList cons)
{
Hashtable ht = new Hashtable();
DateTime now = DateTime.UtcNow;
if (current_overlap != null)
{
foreach (Connection con in current_overlap)
{
Hashtable info = new Hashtable(2);
info["ta"] = TransportAddress.TATypeToString(con.Edge.TAType);
info["ct"] = (int)(now - con.CreationTime).TotalMilliseconds;
ht[con.Address.ToMemBlock()] = info;
}
}
int idx = cons.IndexOf(local_addr);
if (idx < 0)
{
idx = ~idx;
}
int max = cons.Count < 16 ? cons.Count : 16;
int start = idx - max / 2;
int end = idx + max / 2;
for (int i = start; i < end; i++)
{
Connection con = cons[i];
MemBlock key = con.Address.ToMemBlock();
if (ht.Contains(key))
{
continue;
}
Hashtable info = new Hashtable();
info["ta"] = TransportAddress.TATypeToString(con.Edge.TAType);
info["ct"] = (int)(now - con.CreationTime).TotalMilliseconds;
ht[key] = info;
}
return(ht);
}
/**
* <summary>This returns all the gathered information as a hashtable.
* Particularly useful for crawling.</summary>
* <returns>The dictionary (hashtable) containing the information about the
* node.</returns>
*/
public IDictionary Info()
{
GetGeoLoc();
Hashtable ht = new Hashtable(UserData);
ht.Add("type", _type);
ht.Add("geo_loc", geo_loc);
ht.Add("localips", _node.sys_link.GetLocalIPAddresses());
ht.Add("neighbors", _node.sys_link.GetNeighbors());
int wedge_count = 0;
foreach (EdgeListener el in _node.EdgeListenerList)
{
WrapperEdgeListener wel = el as WrapperEdgeListener;
if (wel != null)
{
try {
wedge_count += el.Count;
ht.Add(TransportAddress.TATypeToString(wel.TAType), wel.UnderlyingCount);
} catch { }
}
else
{
int count = 0;
try {
count = el.Count;
} catch { }
ht.Add(TransportAddress.TATypeToString(el.TAType), count);
}
}
ht.Add("cons", _node.ConnectionTable.TotalCount);
if (wedge_count != 0)
{
ht.Add("wedges", wedge_count);
}
if (_so != null)
{
ht.Add("sas", _so.SACount);
}
return(ht);
}
/// <summary>Returns a Relay Sync message containing all overlap and then
/// the four fastest (if not included in the overlap.</summary>
public override IDictionary GetSyncMessage(IList <Connection> current_overlap,
Address local_addr, ConnectionList cons)
{
Hashtable ht = new Hashtable(40);
DateTime now = DateTime.UtcNow;
if (current_overlap != null)
{
foreach (Connection con in current_overlap)
{
Hashtable info = new Hashtable(3);
info["ta"] = TransportAddress.TATypeToString(con.State.Edge.TAType);
info["lat"] = _ncservice.GetMeasuredLatency(con.Address);
info["ct"] = (int)(now - con.CreationTime).TotalMilliseconds;
ht[con.Address.ToMemBlock()] = info;
}
}
foreach (Connection con in GetClosest(cons))
{
MemBlock key = con.Address.ToMemBlock();
if (ht.Contains(key))
{
continue;
}
// No need to verify it is >= 0, since addr comes from cons in a
// previous stage
Hashtable info = new Hashtable(3);
info["ta"] = TransportAddress.TATypeToString(con.State.Edge.TAType);
info["lat"] = _ncservice.GetMeasuredLatency(con.Address);
info["ct"] = (int)(now - con.CreationTime).TotalMilliseconds;
ht[key] = info;
}
return(ht);
}
public static string GetString(TransportAddress.TAType ta_type, int id)
{
return(String.Format("b.{0}://{1}", TransportAddress.TATypeToString(ta_type), id));
}