protected void FriendPing(string address)
{
Address addr = AddressParser.Parse(address);
Channel q = new Channel();
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object obj, EventArgs eargs) {
try {
RpcResult res = (RpcResult)q.Dequeue();
string result = (string)res.Result;
string[] parts = result.Split(DELIM);
string dht_key = parts[0];
string response = parts[1];
if (response == "online")
{
SocialUser friend = _friends[dht_key];
friend.Time = DateTime.Now.ToString();
}
ProtocolLog.Write(SocialLog.SVPNLog, "PING FRIEND REPLY: " +
result);
} catch (Exception e) {
ProtocolLog.Write(SocialLog.SVPNLog, e.Message);
ProtocolLog.Write(SocialLog.SVPNLog, "PING FRIEND FAILURE: " +
address);
}
};
ISender sender = new AHExactSender(_node, addr);
_rpc.Invoke(sender, q, "SocialVPN.FriendPing", _local_user.DhtKey);
}
/// <summary>This methods send some ICopyable data to the remote address.
/// </summary>
/// <param name="remote_addr">Remote Nodes are referenced by their P2P
/// Address, typically of type AHAddress.</param>
/// <param name="data">This is an ICopyable object which contains the data
/// to send.</param>
public void SendMessage(Address remote_addr, ICopyable data) {
// This instantiates a multi-use method to sending to the remote node,
// though we will only use it once. It is VERY similar to UDP.
AHExactSender sender = new AHExactSender(_app_node.Node, remote_addr);
// This is the process of actually sending the data.
sender.Send(new CopyList(HW, data));
}
// Provides an Exact AH Secure Sender using the default SPI given an address
public SecurityAssociation GetSecureSender(Address target)
{
PeerSecAssociation sa = null;
bool new_sa = false;
lock (_sync) {
if (_address_to_sa.ContainsKey(target))
{
sa = _address_to_sa[target] as PeerSecAssociation;
}
else
{
AHSender sender = new AHExactSender(_node, target);
sa = base.CreateSecurityAssociation(sender, SecurityPolicy.DefaultSPI);
_address_to_sa[target] = sa;
_sa_to_address[sa] = target;
new_sa = true;
}
}
if (new_sa)
{
StartSA(sa);
}
return(sa);
}
protected void CreateSecurityAssociation()
{
var sender = new AHExactSender(Node0.Node, Node1.Node.Address);
var sa = Node0.Sso.CreateSecurityAssociation(sender);
SecurityAssociation.StateChangeHandler callback =
delegate(SecurityAssociation in_sa, SecurityAssociation.States state)
{
if (state == SecurityAssociation.States.Active)
{
SecurityAssociationEstablished();
}
else if (state == SecurityAssociation.States.Closed)
{
Finished();
}
else
{
Console.WriteLine(state);
}
};
if (sa.State != SecurityAssociation.States.Waiting)
{
callback(sa, sa.State);
}
else
{
sa.StateChangeEvent += callback;
}
}
virtual protected void ConnectTo(Address target, string ConnectionType,
string token)
{
ISender sender = new AHExactSender(_node, target);
ConnectTo(sender, target, ConnectionType, _node.Address.ToString());
}
protected void MissedMapping(string ip, Address addr)
{
ProtocolLog.WriteIf(IpopLog.ResolverLog, String.Format(
"Notifying remote node of missing address: {0} : {1}", ip, addr));
ISender sender = new AHExactSender(AppNode.Node, addr);
AppNode.Node.Rpc.Invoke(sender, null, "Ipop.NoSuchMapping", ip);
}
override public void Start()
{
base.Start();
var sender = new AHExactSender(Node0, Node1.Address);
Channel q = new Channel(1);
q.CloseEvent += Callback;
Node0.Rpc.Invoke(sender, q, "sys:link.Ping", 0);
}
/// <summary>This methods send some ICopyable data to the remote address.
/// </summary>
/// <param name="remote_addr">Remote Nodes are referenced by their P2P
/// Address, typically of type AHAddress.</param>
/// <param name="data">This is an ICopyable object which contains the data
/// to send.</param>
public void SendMessage(Address remote_addr, ICopyable data)
{
// This instantiates a multi-use method to sending to the remote node,
// though we will only use it once. It is VERY similar to UDP.
AHExactSender sender = new AHExactSender(_app_node.Node, remote_addr);
// This is the process of actually sending the data.
sender.Send(new CopyList(HW, data));
}
/// <summary>First we try to find a third party we can connect with for
/// overlap, if that is successful, we attempt to connect to him, if that
/// is successful, we create a new tunnel edge.</summary>
protected void AttemptToCreateOverlap(RelayEdgeCallbackAction teca)
{
WaitCallback create_connection = delegate(object o) {
Address target = o as Address;
if (o == null)
{
FailedEdgeCreate(teca);
return;
}
ConnectionList cons = _connections;
int index = cons.IndexOf(target);
if (index < 0)
{
FailedEdgeCreate(teca);
return;
}
List <Connection> overlap = new List <Connection>(1);
overlap.Add(cons[index]);
CreateEdge(teca, overlap);
};
Channel chan = new Channel(1);
chan.CloseEvent += delegate(object o, EventArgs ea) {
Address target = null;
try {
IDictionary msg = (chan.Dequeue() as RpcResult).Result as IDictionary;
target = _ito.EvaluatePotentialOverlap(msg);
} catch {
}
if (target == null)
{
FailedEdgeCreate(teca);
}
else
{
_oco.ConnectTo(target, create_connection);
}
};
ISender s = new AHExactSender(_node, teca.RelayTA.Target);
try { _node.Rpc.Invoke(s, chan, "tunnel.RequestSync"); }
catch { chan.Close(); }
}
protected void SendRpcMessage(Address addr, string method,
string query, bool secure)
{
DateTime sent = DateTime.Now;
#if !SVPN_NUNIT
string meth_call = RPCID + "." + method;
Channel q = new Channel();
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object obj, EventArgs eargs) {
try {
RpcResult res = (RpcResult)q.Dequeue();
string result = (string)res.Result;
if (method == "Ping")
{
DateTime recv = DateTime.Now;
_times = _times.InsertIntoNew(result, recv);
TimeSpan rtt = recv - sent;
_ssm.UpdateLatency(result, rtt.TotalMilliseconds);
}
ProtocolLog.WriteIf(SocialLog.SVPNLog,
String.Format("RPC {0} {1} {2}", addr.ToString(), method,
query));
} catch (Exception e) {
ProtocolLog.WriteIf(SocialLog.SVPNLog, e.ToString());
}
};
ISender sender;
if (!secure)
{
sender = new AHExactSender(_node.Node, addr);
}
else
{
sender = _node.Bso.GetSecureSender(addr);
}
_rpc.Invoke(sender, q, meth_call, _node.Address, query);
#endif
}
/// <summary>Sends the IP Packet to the specified target address.</summary>
/// <param name="target"> the Brunet Address of the target</param>
/// <param name="packet"> the data to send to the recepient</param>
protected virtual void SendIP(Address target, MemBlock packet)
{
ISender s = null;
if (_secure_senders)
{
try {
s = AppNode.SymphonySecurityOverlord.GetSecureSender(target);
}
catch (Exception e) {
Console.WriteLine(e);
return;
}
}
else
{
s = new AHExactSender(AppNode.Node, target);
}
s.Send(new CopyList(PType.Protocol.IP, packet));
}
// Provides an Exact AH Secure Sender using the default SPI given an address
public SecurityAssociation GetSecureSender(Address target)
{
SecurityAssociation sa = null;
bool new_sa = false;
lock(_sync) {
if(_address_to_sa.ContainsKey(target)) {
sa = _address_to_sa[target];
} else {
AHSender sender = new AHExactSender(_node, target);
sa = base.CreateSecurityAssociation(sender, SecurityPolicy.DefaultSPI);
_address_to_sa[target] = sa;
_sa_to_address[sa] = target;
new_sa = true;
}
}
if(new_sa) {
StartSA(sa);
}
return sa;
}
protected void SendRpcMessage(Address addr, string method,
string query, bool secure) {
System.DateTime sent = System.DateTime.Now;
#if !SVPN_NUNIT
string meth_call = RPCID + "." + method;
Channel q = new Channel();
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object obj, EventArgs eargs) {
try {
RpcResult res = (RpcResult) q.Dequeue();
string result = (string) res.Result;
if(method == "Ping") {
System.DateTime recv = System.DateTime.Now;
_times = _times.InsertIntoNew(result, recv);
TimeSpan rtt = recv - sent;
_ssm.UpdateLatency(result, rtt.TotalMilliseconds);
}
ProtocolLog.WriteIf(SocialLog.SVPNLog,
String.Format("RPC {0} {1} {2}", addr.ToString(), method,
query));
} catch(Exception e) {
ProtocolLog.WriteIf(SocialLog.SVPNLog, e.ToString());
}
};
ISender sender;
if(!secure) {
sender = new AHExactSender(_node.Node, addr);
}
else {
sender = _node.Bso.GetSecureSender(addr);
}
_rpc.Invoke(sender, q, meth_call, _node.Address, query);
#endif
}
/// <summary>This method handles IPPackets that come from Brunet, i.e.,
/// abroad. </summary>
/// <param name="packet"> The packet from Brunet.</param>
/// <param name="ret">An ISender to send data to the Brunet node that sent
/// the packet.</param>
public virtual void HandleIPIn(MemBlock packet, ISender ret) {
Address addr = _conn_handler.GetAddress(ret);
if(_translator != null) {
try {
packet = _translator.Translate(packet, addr);
}
catch (Exception e) {
if(ProtocolLog.Exceptions.Enabled) {
ProtocolLog.Write(ProtocolLog.Exceptions, e.ToString());
}
return;
}
}
IPPacket ipp = new IPPacket(packet);
if(!_address_resolver.Check(ipp.SourceIP, addr)) {
Address other = _address_resolver.Resolve(ipp.SourceIP);
if(other == null) {
ProtocolLog.WriteIf(IpopLog.ResolverLog, String.Format(
"Notifying remote node of missing address: {0} : {1}",
addr, ipp.SSourceIP));
ISender sender = new AHExactSender(AppNode.Node, addr);
AppNode.Node.Rpc.Invoke(sender, null, "Ipop.NoSuchMapping", ipp.SSourceIP);
return;
} else if(other != addr) {
ProtocolLog.WriteIf(IpopLog.ResolverLog, String.Format(
"IP:P2P Mismatch IP: {0}, Claimed P2P: {1}, Local P2P: {2}",
ipp.SourceIP, addr, other));
return;
}
}
if(IpopLog.PacketLog.Enabled) {
ProtocolLog.Write(IpopLog.PacketLog, String.Format(
"Incoming packet:: IP src: {0}, IP dst: {1}, p2p " +
"from: {2}, size: {3}", ipp.SSourceIP, ipp.SDestinationIP,
ret, packet.Length));
}
WriteIP(packet);
}
public static void Main(string []args) {
if (args.Length < 1) {
Console.WriteLine("please specify the number edge protocol.");
Environment.Exit(0);
}
if (args.Length < 2) {
Console.WriteLine("please specify the number of p2p nodes.");
Environment.Exit(0);
}
if (args.Length < 3) {
Console.WriteLine("please specify the number of missing edges.");
Environment.Exit(0);
}
string proto = "function";
try {
proto = args[0].Trim();
} catch(Exception) {}
bool tunnel = false;
int base_port = 54000;
int network_size = Int32.Parse(args[1]);
int missing_count = Int32.Parse(args[2]);
try {
tunnel = args[3].Trim().Equals("tunnel");
} catch (Exception) {}
Console.WriteLine("use tunnel edges: {0}", tunnel);
Random rand = new Random();
ArrayList missing_edges = new ArrayList();
for (int i = 0; i < missing_count; i++) {
int idx = -1;
int left, right;
do {
idx = rand.Next(0, network_size);
left = (idx + 1)%network_size;
if (idx == 0) {
right = network_size - 1;
} else {
right = idx - 1;
}
} while (missing_edges.Contains(idx));// ||
//missing_edges.Contains(left) ||
//missing_edges.Contains(right));
Console.WriteLine("Will drop a left edge on idx {0}: ", idx);
missing_edges.Add(idx);
}
//
// Sort missing edges.
//
missing_edges.Sort();
SortedList dist = new SortedList();
//
// Compute the average distance between missing edges.
//
if (missing_count > 1) {
for (int i = 0; i < missing_count; i++) {
int idx = (int) missing_edges[i];
int idx_next;
int d;
if (i == missing_count - 1) {
idx_next = (int) missing_edges[0];
d = (network_size - 1) - idx + idx_next;
} else {
idx_next = (int) missing_edges[i+1];
d = idx_next - idx - 1;
}
if (!dist.Contains(d)) {
dist[d] = 0;
} else {
int c = (int) dist[d];
dist[d] = c + 1;
}
}
}
double sum = 0.0;
int num = 0;
Console.WriteLine("distribution of missing edges separation");
foreach(DictionaryEntry de in dist) {
int k = (int) de.Key;
int c = (int) de.Value;
Console.WriteLine("{0} {1}", k, c);
sum = sum + k*c;
num = num + c;
}
Console.WriteLine("average separation: {0}", (double) sum/num);
string brunet_namespace = "testing";
Console.WriteLine("Initializing...");
ArrayList RemoteTA = new ArrayList();
for(int i = 0; i < network_size; i++) {
if (proto.Equals("udp")) {
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.udp://localhost:" + (base_port + i)));
} else if (proto.Equals("function")) {
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.function://localhost:" + (base_port + i)));
}
}
for(int i = 0; i < network_size; i++) {
AHAddress address = new AHAddress(new RNGCryptoServiceProvider());
Node node = new StructuredNode(address, brunet_namespace);
_sorted_node_list.Add((Address) address, node);
_node_list.Add(node);
RouteTestHandler test_handler = new RouteTestHandler();
node.GetTypeSource(new PType(routing_test)).Subscribe(test_handler, address.ToMemBlock());
RpcManager rpc_man = node.Rpc;
rpc_man.AddHandler("rpc_routing_test", new RpcRoutingTestHandler(node));
}
for (int i = 0; i < network_size; i++) {
Node node = (Node) _sorted_node_list.GetByIndex(i);
Console.WriteLine("Configuring node: {0} ", node.Address);
TAAuthorizer ta_auth = null;
if (missing_edges.Contains(i)) {
int remote_port;
if (i == network_size - 1) {
remote_port = base_port;
} else {
remote_port = base_port + i + 1;
}
PortTAAuthorizer port_auth = new PortTAAuthorizer(remote_port);
Console.WriteLine("Adding a port TA authorizer at: {0} for remote port: {1}", base_port + i, remote_port);
ArrayList arr_tas = new ArrayList();
arr_tas.Add(port_auth);
arr_tas.Add(new ConstantAuthorizer(TAAuthorizer.Decision.Allow));
ta_auth = new SeriesTAAuthorizer(arr_tas);
}
if (proto.Equals("udp")) {
node.AddEdgeListener(new UdpEdgeListener(base_port + i, null, ta_auth));
} else if(proto.Equals("function")) {
node.AddEdgeListener(new FunctionEdgeListener(base_port + i, -1.00, ta_auth));
}
if (tunnel) {
Console.WriteLine("Adding a tunnel edge listener");
node.AddEdgeListener(new Tunnel.TunnelEdgeListener(node));
}
_node_to_port[node] = base_port + i;
node.RemoteTAs = RemoteTA;
}
//start nodes one by one.
for (int i = 0; i < network_size; i++) {
Node node = (Node) _node_list[i];
Console.WriteLine("Starting node: {0}, {1}", i, node.Address);
node.Connect();
Console.WriteLine("Going to sleep for 2 seconds.");
System.Threading.Thread.Sleep(2000);
}
//wait for 300000 more seconds
Console.WriteLine("Going to sleep for 300000 seconds.");
System.Threading.Thread.Sleep(300000);
bool complete = CheckStatus();
int count = 0;
//
// Send a large number of packets as exact packets to random destinations
// and make sure exact routing is perfect.
//
for (int i = 0; i < network_size; i++) {
for (int j = 0; j < network_size; j++) {
int src_idx = i;
int dest_idx = j;
Node src_node = (Node) _sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node) _sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address) dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
MemBlock p = dest_address.ToMemBlock();
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
}
}
//wait for 10 more seconds
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
Console.WriteLine("Final statistics");
lock(_class_lock) {
Console.WriteLine("Sent: {0}, Received: {1}, Wrongly routed: {2}",
_sent, _received, _wrongly_routed);
}
int missing_rpcs = 0;
int correct_rpcs = 0;
int incorrect_rpcs = 0;
Hashtable queue_to_address = new Hashtable();
for (int i = 0; i < network_size; i++) {
for (int j = 0; j < network_size; j++) {
int src_idx = i;
int dest_idx = j;
Node src_node = (Node) _sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node) _sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address) dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
RpcManager rpc_man = src_node.Rpc;
Channel q = new Channel();
lock (_class_lock) {
queue_to_address[q] = dest_address;
}
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object o, EventArgs cargs) {
lock(_class_lock) {
Channel qu = (Channel) o;
if (qu.Count == 0) {
missing_rpcs++;
}
queue_to_address.Remove(qu);
}
};
q.EnqueueEvent += delegate(object o, EventArgs cargs) {
lock(_class_lock) {
Channel qu = (Channel) o;
RpcResult rpc_reply = (RpcResult) qu.Peek();
byte []result = (byte[]) rpc_reply.Result;
Address target = new AHAddress(result);
if (target.Equals(queue_to_address[qu])) {
correct_rpcs++;
} else {
incorrect_rpcs++;
}
}
};
rpc_man.Invoke(s, q, "rpc_routing_test.GetIdentification", new object[]{});
}
}
//wait for 10 more seconds
while (true) {
int c = -1;
lock(_class_lock) {
c = incorrect_rpcs + missing_rpcs + correct_rpcs;
}
if (c < network_size*network_size) {
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
} else {
break;
}
}
Console.WriteLine("Final statistics");
Console.WriteLine("correct rpcs: {0}, incorrect rpcs: {1}, missing rpcs: {2}",
correct_rpcs, incorrect_rpcs, missing_rpcs);
System.Environment.Exit(1);
}
/// <summary>First we try to find a third party we can connect with for
/// overlap, if that is successful, we attempt to connect to him, if that
/// is successful, we create a new tunnel edge.</summary>
protected void AttemptToCreateOverlap(TunnelEdgeCallbackAction teca)
{
WaitCallback create_connection = delegate(object o) {
Address target = o as Address;
if(o == null) {
FailedEdgeCreate(teca);
return;
}
ConnectionList cons = _connections;
int index = cons.IndexOf(target);
if(index < 0) {
FailedEdgeCreate(teca);
return;
}
List<Connection> overlap = new List<Connection>(1);
overlap.Add(cons[index]);
CreateEdge(teca, overlap);
};
Channel chan = new Channel(1);
chan.CloseEvent += delegate(object o, EventArgs ea) {
Address target = null;
try {
IDictionary msg = (chan.Dequeue() as RpcResult).Result as IDictionary;
target = _ito.EvaluatePotentialOverlap(msg);
} catch {
}
if(target == null) {
FailedEdgeCreate(teca);
} else {
_oco.ConnectTo(target, create_connection);
}
};
ISender s = new AHExactSender(_node, teca.TunnelTA.Target);
_node.Rpc.Invoke(s, chan, "tunnel.RequestSync");
}
/// <summary>This method handles IPPackets that come from Brunet, i.e.,
/// abroad. </summary>
/// <param name="packet"> The packet from Brunet.</param>
/// <param name="ret">An ISender to send data to the Brunet node that sent
/// the packet.</param>
public virtual void HandleIPIn(MemBlock packet, ISender ret)
{
if (_secure_senders && !(ret is SecurityAssociation))
{
return;
}
Address addr = null;
if (ret is SecurityAssociation)
{
ret = ((SecurityAssociation)ret).Sender;
}
if (ret is AHSender)
{
addr = ((AHSender)ret).Destination;
}
else
{
ProtocolLog.Write(IpopLog.PacketLog, String.Format(
"Incoming packet was not from an AHSender: {0}.", ret));
return;
}
if (_translator != null)
{
try {
packet = _translator.Translate(packet, addr);
}
catch (Exception e) {
if (ProtocolLog.Exceptions.Enabled)
{
ProtocolLog.Write(ProtocolLog.Exceptions, e.ToString());
}
return;
}
}
IPPacket ipp = new IPPacket(packet);
try {
if (!_address_resolver.Check(ipp.SourceIP, addr))
{
return;
}
} catch (AddressResolutionException ex) {
if (ex.Issue == AddressResolutionException.Issues.DoesNotExist)
{
ProtocolLog.WriteIf(IpopLog.ResolverLog, "Notifying remote node of " +
" missing address: " + addr + ":" + ipp.SSourceIP);
ISender sender = new AHExactSender(AppNode.Node, addr);
AppNode.Node.Rpc.Invoke(sender, null, "Ipop.NoSuchMapping", ipp.SSourceIP);
return;
}
else
{
throw;
}
}
if (IpopLog.PacketLog.Enabled)
{
ProtocolLog.Write(IpopLog.PacketLog, String.Format(
"Incoming packet:: IP src: {0}, IP dst: {1}, p2p " +
"from: {2}, size: {3}", ipp.SSourceIP, ipp.SDestinationIP,
ret, packet.Length));
}
WriteIP(packet);
}
public static void Main(string [] args)
{
if (args.Length < 1)
{
Console.WriteLine("please specify the number edge protocol.");
Environment.Exit(0);
}
if (args.Length < 2)
{
Console.WriteLine("please specify the number of p2p nodes.");
Environment.Exit(0);
}
if (args.Length < 3)
{
Console.WriteLine("please specify the number of missing edges.");
Environment.Exit(0);
}
string proto = "function";
try {
proto = args[0].Trim();
} catch (Exception) {}
bool tunnel = false;
int base_port = 54000;
int network_size = Int32.Parse(args[1]);
int missing_count = Int32.Parse(args[2]);
try {
tunnel = args[3].Trim().Equals("tunnel");
} catch (Exception) {}
Console.WriteLine("use tunnel edges: {0}", tunnel);
Random rand = new Random();
ArrayList missing_edges = new ArrayList();
for (int i = 0; i < missing_count; i++)
{
int idx = -1;
int left, right;
do
{
idx = rand.Next(0, network_size);
left = (idx + 1) % network_size;
if (idx == 0)
{
right = network_size - 1;
}
else
{
right = idx - 1;
}
} while (missing_edges.Contains(idx));// ||
//missing_edges.Contains(left) ||
//missing_edges.Contains(right));
Console.WriteLine("Will drop a left edge on idx {0}: ", idx);
missing_edges.Add(idx);
}
//
// Sort missing edges.
//
missing_edges.Sort();
SortedList dist = new SortedList();
//
// Compute the average distance between missing edges.
//
if (missing_count > 1)
{
for (int i = 0; i < missing_count; i++)
{
int idx = (int)missing_edges[i];
int idx_next;
int d;
if (i == missing_count - 1)
{
idx_next = (int)missing_edges[0];
d = (network_size - 1) - idx + idx_next;
}
else
{
idx_next = (int)missing_edges[i + 1];
d = idx_next - idx - 1;
}
if (!dist.Contains(d))
{
dist[d] = 0;
}
else
{
int c = (int)dist[d];
dist[d] = c + 1;
}
}
}
double sum = 0.0;
int num = 0;
Console.WriteLine("distribution of missing edges separation");
foreach (DictionaryEntry de in dist)
{
int k = (int)de.Key;
int c = (int)de.Value;
Console.WriteLine("{0} {1}", k, c);
sum = sum + k * c;
num = num + c;
}
Console.WriteLine("average separation: {0}", (double)sum / num);
string brunet_namespace = "testing";
Console.WriteLine("Initializing...");
var RemoteTA = new List <TransportAddress>();
for (int i = 0; i < network_size; i++)
{
if (proto.Equals("udp"))
{
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.udp://localhost:" + (base_port + i)));
}
else if (proto.Equals("function"))
{
RemoteTA.Add(TransportAddressFactory.CreateInstance("brunet.function://localhost:" + (base_port + i)));
}
}
for (int i = 0; i < network_size; i++)
{
AHAddress address = new AHAddress(new RNGCryptoServiceProvider());
Node node = new StructuredNode(address, brunet_namespace);
_sorted_node_list.Add((Address)address, node);
_node_list.Add(node);
RouteTestHandler test_handler = new RouteTestHandler();
node.GetTypeSource(new PType(routing_test)).Subscribe(test_handler, address.ToMemBlock());
RpcManager rpc_man = node.Rpc;
rpc_man.AddHandler("rpc_routing_test", new RpcRoutingTestHandler(node));
}
for (int i = 0; i < network_size; i++)
{
Node node = (Node)_sorted_node_list.GetByIndex(i);
Console.WriteLine("Configuring node: {0} ", node.Address);
TAAuthorizer ta_auth = null;
if (missing_edges.Contains(i))
{
int remote_port;
if (i == network_size - 1)
{
remote_port = base_port;
}
else
{
remote_port = base_port + i + 1;
}
PortTAAuthorizer port_auth = new PortTAAuthorizer(remote_port);
Console.WriteLine("Adding a port TA authorizer at: {0} for remote port: {1}", base_port + i, remote_port);
ArrayList arr_tas = new ArrayList();
arr_tas.Add(port_auth);
arr_tas.Add(new ConstantAuthorizer(TAAuthorizer.Decision.Allow));
ta_auth = new SeriesTAAuthorizer(arr_tas);
}
if (proto.Equals("udp"))
{
node.AddEdgeListener(new UdpEdgeListener(base_port + i, null, ta_auth));
}
else if (proto.Equals("function"))
{
node.AddEdgeListener(new FunctionEdgeListener(base_port + i, -1.00, ta_auth));
}
if (tunnel)
{
Console.WriteLine("Adding a tunnel edge listener");
node.AddEdgeListener(new Relay.RelayEdgeListener(node));
}
_node_to_port[node] = base_port + i;
node.RemoteTAs = RemoteTA;
}
//start nodes one by one.
for (int i = 0; i < network_size; i++)
{
Node node = (Node)_node_list[i];
Console.WriteLine("Starting node: {0}, {1}", i, node.Address);
node.Connect();
Console.WriteLine("Going to sleep for 2 seconds.");
System.Threading.Thread.Sleep(2000);
}
//wait for 300000 more seconds
Console.WriteLine("Going to sleep for 300000 seconds.");
System.Threading.Thread.Sleep(300000);
bool complete = CheckStatus();
int count = 0;
//
// Send a large number of packets as exact packets to random destinations
// and make sure exact routing is perfect.
//
for (int i = 0; i < network_size; i++)
{
for (int j = 0; j < network_size; j++)
{
int src_idx = i;
int dest_idx = j;
Node src_node = (Node)_sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node)_sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address)dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
MemBlock p = dest_address.ToMemBlock();
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
s.Send(new CopyList(new PType(routing_test), p));
_sent++;
//System.Threading.Thread.Sleep(10);
}
}
//wait for 10 more seconds
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
Console.WriteLine("Final statistics");
lock (_class_lock) {
Console.WriteLine("Sent: {0}, Received: {1}, Wrongly routed: {2}",
_sent, _received, _wrongly_routed);
}
int missing_rpcs = 0;
int correct_rpcs = 0;
int incorrect_rpcs = 0;
Hashtable queue_to_address = new Hashtable();
for (int i = 0; i < network_size; i++)
{
for (int j = 0; j < network_size; j++)
{
int src_idx = i;
int dest_idx = j;
Node src_node = (Node)_sorted_node_list.GetByIndex(src_idx);
Node dest_node = (Node)_sorted_node_list.GetByIndex(dest_idx);
//Console.WriteLine("{0} -> {1}", src_idx, dest_idx);
Address dest_address = (Address)dest_node.Address;
ISender s = new AHExactSender(src_node, dest_address);
RpcManager rpc_man = src_node.Rpc;
Channel q = new Channel();
lock (_class_lock) {
queue_to_address[q] = dest_address;
}
q.CloseAfterEnqueue();
q.CloseEvent += delegate(object o, EventArgs cargs) {
lock (_class_lock) {
Channel qu = (Channel)o;
if (qu.Count == 0)
{
missing_rpcs++;
}
queue_to_address.Remove(qu);
}
};
q.EnqueueEvent += delegate(object o, EventArgs cargs) {
lock (_class_lock) {
Channel qu = (Channel)o;
RpcResult rpc_reply = (RpcResult)qu.Peek();
byte [] result = (byte[])rpc_reply.Result;
Address target = new AHAddress(result);
if (target.Equals(queue_to_address[qu]))
{
correct_rpcs++;
}
else
{
incorrect_rpcs++;
}
}
};
rpc_man.Invoke(s, q, "rpc_routing_test.GetIdentification", new object[] {});
}
}
//wait for 10 more seconds
while (true)
{
int c = -1;
lock (_class_lock) {
c = incorrect_rpcs + missing_rpcs + correct_rpcs;
}
if (c < network_size * network_size)
{
Console.WriteLine("Going to sleep for 10 seconds.");
System.Threading.Thread.Sleep(10000);
}
else
{
break;
}
}
Console.WriteLine("Final statistics");
Console.WriteLine("correct rpcs: {0}, incorrect rpcs: {1}, missing rpcs: {2}",
correct_rpcs, incorrect_rpcs, missing_rpcs);
System.Environment.Exit(1);
}
virtual protected void ConnectTo(Address target, string ConnectionType,
string token)
{
ISender sender = new AHExactSender(_node, target);
ConnectTo(sender, target, ConnectionType, _node.Address.ToString());
}
protected void MissedMapping(string ip, Address addr)
{
ProtocolLog.WriteIf(IpopLog.ResolverLog, String.Format(
"Notifying remote node of missing address: {0} : {1}", ip, addr));
ISender sender = new AHExactSender(AppNode.Node, addr);
AppNode.Node.Rpc.Invoke(sender, null, "Ipop.NoSuchMapping", ip);
}
/// <summary>This method handles IPPackets that come from Brunet, i.e.,
/// abroad. </summary>
/// <param name="packet"> The packet from Brunet.</param>
/// <param name="ret">An ISender to send data to the Brunet node that sent
/// the packet.</param>
public virtual void HandleIPIn(MemBlock packet, ISender ret) {
if(_secure_senders && !(ret is SecurityAssociation)) {
return;
}
Address addr = null;
if(ret is SecurityAssociation) {
ret = ((SecurityAssociation) ret).Sender;
}
if(ret is AHSender) {
addr = ((AHSender) ret).Destination;
} else {
ProtocolLog.Write(IpopLog.PacketLog, String.Format(
"Incoming packet was not from an AHSender: {0}.", ret));
return;
}
if(_translator != null) {
try {
packet = _translator.Translate(packet, addr);
}
catch (Exception e) {
if(ProtocolLog.Exceptions.Enabled) {
ProtocolLog.Write(ProtocolLog.Exceptions, e.ToString());
}
return;
}
}
IPPacket ipp = new IPPacket(packet);
try {
if(!_address_resolver.Check(ipp.SourceIP, addr)) {
return;
}
} catch (AddressResolutionException ex) {
if(ex.Issue == AddressResolutionException.Issues.DoesNotExist) {
ProtocolLog.WriteIf(IpopLog.ResolverLog, "Notifying remote node of " +
" missing address: " + addr + ":" + ipp.SSourceIP);
ISender sender = new AHExactSender(AppNode.Node, addr);
AppNode.Node.Rpc.Invoke(sender, null, "Ipop.NoSuchMapping", ipp.SSourceIP);
return;
} else {
throw;
}
}
if(IpopLog.PacketLog.Enabled) {
ProtocolLog.Write(IpopLog.PacketLog, String.Format(
"Incoming packet:: IP src: {0}, IP dst: {1}, p2p " +
"from: {2}, size: {3}", ipp.SSourceIP, ipp.SDestinationIP,
ret, packet.Length));
}
WriteIP(packet);
}
/// <summary>Sends the IP Packet to the specified target address.</summary>
/// <param name="target"> the Brunet Address of the target</param>
/// <param name="packet"> the data to send to the recepient</param>
protected virtual void SendIP(Address target, MemBlock packet) {
ISender s = null;
if(_secure_senders) {
try {
s = AppNode.SymphonySecurityOverlord.GetSecureSender(target);
}
catch(Exception e) {
Console.WriteLine(e);
return;
}
}
else {
s = new AHExactSender(AppNode.Node, target);
}
s.Send(new CopyList(PType.Protocol.IP, packet));
}
