public override int Run(string[] remainingArguments)
{
CreateNode();
switch(remainingArguments[0]){
case "join":{
var port = remainingArguments[1].Convert<int>();
node.Connect(Environment.MachineName, port);
dht = node.New<IDht>("System.Dht");
dht.Join(new ActorId(remainingArguments[2] + ".localhost/System.Dht"));
}break;
case "put":{
dht.Put(remainingArguments[1], remainingArguments[2]);
}break;
case "get":{
Console.WriteLine(dht.Get(remainingArguments[1]));
}break;
}
// var dht = node.Proxy.New<IDht>();
// // join node
// dht.Put(new Resource("abc"), "def");
// Console.WriteLine("found " + dht.Get(new Resource("abc")));
return 0;
}
public static DHCPConfig GetDhcpConfig(IDht dht, string ipop_namespace)
{
byte[] ns_key = Encoding.UTF8.GetBytes("dhcp:" + ipop_namespace);
Hashtable[] results = dht.Get(ns_key);
if (results.Length == 0)
{
throw new Exception("Namespace does not exist: " + ipop_namespace);
}
string result = Encoding.UTF8.GetString((byte[])results[0]["value"]);
XmlSerializer serializer = new XmlSerializer(typeof(DHCPConfig));
TextReader stringReader = new StringReader(result);
DHCPConfig dhcp_config = (DHCPConfig)serializer.Deserialize(stringReader);
if (!ipop_namespace.Equals(dhcp_config.Namespace))
{
throw new Exception(String.Format("Namespace mismatch, expected {0}, got {1}",
ipop_namespace, dhcp_config.Namespace));
}
return(dhcp_config);
}
/**
* <summary>Called during LookUp to perform translation from hostname to IP.
* If an entry isn't in cache, we can try to get it from the Dht. Throws
* an exception if the name is invalid and returns null if no name is found.
* </summary>
* <param name="name">The name to lookup</param>
* <returns>The IP Address or null if none exists for the name. If the name
* is invalid, it will throw an exception.</returns>
*/
public override String AddressLookUp(String name)
{
if (!name.EndsWith(DomainName))
{
throw new Exception("Invalid Dns name: " + name);
}
String ip = (String)dns_a[name];
if (ip == null)
{
try {
ip = Encoding.UTF8.GetString((byte[])_dht.Get(Encoding.UTF8.GetBytes(_ipop_namespace + "." + name))[0]["value"]);
if (ip != null)
{
lock (_sync) {
dns_a[name] = ip;
dns_ptr[ip] = name;
}
}
}
catch {}
}
return(ip);
}
public static DHCPConfig GetDhcpConfig(IDht dht, string ipop_namespace) {
byte[] ns_key = Encoding.UTF8.GetBytes("dhcp:" + ipop_namespace);
Hashtable[] results = dht.Get(ns_key);
if(results.Length == 0) {
throw new Exception("Namespace does not exist: " + ipop_namespace);
}
string result = Encoding.UTF8.GetString((byte[]) results[0]["value"]);
XmlSerializer serializer = new XmlSerializer(typeof(DHCPConfig));
TextReader stringReader = new StringReader(result);
DHCPConfig dhcp_config = (DHCPConfig) serializer.Deserialize(stringReader);
if(!ipop_namespace.Equals(dhcp_config.Namespace)) {
throw new Exception(String.Format("Namespace mismatch, expected {0}, got {1}",
ipop_namespace, dhcp_config.Namespace));
}
return dhcp_config;
}