public SimulationEdgeListener(int id, double loss_prob, TAAuthorizer ta_auth, bool use_delay)
{
_edges = new Hashtable();
_use_delay = use_delay;
_sync = new object();
_ba = new BufferAllocator(Int16.MaxValue);
_listener_id = id;
_ploss_prob = loss_prob;
if (ta_auth == null) {
_ta_auth = new ConstantAuthorizer(TAAuthorizer.Decision.Allow);
} else {
_ta_auth = ta_auth;
}
_tas = new ArrayList();
_tas.Add(TransportAddressFactory.CreateInstance("b.s://" + _listener_id));
_rand = new Random();
}
public ConstantAuthorizer(TAAuthorizer.Decision d) {
_dec = d;
}
public void Test() {
TAAuthorizer a1 = new ConstantAuthorizer(TAAuthorizer.Decision.Allow);
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.udp://127.0.0.1:45");
Assert.IsTrue( a1.IsNotDenied( ta ), "constant allow");
TAAuthorizer a2 = new ConstantAuthorizer(TAAuthorizer.Decision.Deny);
Assert.IsFalse( a2.IsNotDenied( ta ), "constant deny");
IPAddress network = IPAddress.Parse("10.128.0.0");
TAAuthorizer a3 = new NetmaskTAAuthorizer(network, 9,
TAAuthorizer.Decision.Deny,
TAAuthorizer.Decision.None);
TransportAddress ta2 = TransportAddressFactory.CreateInstance("brunet.udp://10.255.255.255:80");
Assert.AreEqual(a3.Authorize(ta2), TAAuthorizer.Decision.Deny, "Netmask Deny");
TransportAddress ta3 = TransportAddressFactory.CreateInstance("brunet.udp://10.1.255.255:80");
Assert.AreEqual(a3.Authorize(ta3), TAAuthorizer.Decision.None, "Netmask None");
//Here is the series:
//If Netmask doesn't say no, constant says yes:
TAAuthorizer[] my_auths = new TAAuthorizer[]{ a3, a1 };
TAAuthorizer a4 = new SeriesTAAuthorizer(my_auths);
Assert.AreEqual(a4.Authorize(ta2), TAAuthorizer.Decision.Deny, "Series Deny");
Assert.AreEqual(a4.Authorize(ta3), TAAuthorizer.Decision.Allow, "Series Allow");
}
/**
* Given an IPAddress the first bit_c bits of the primary
* TransportAddress IPAddress have to match to get the given
* result
* @param nw the Network we want to match
* @param bit_c the number of initial bits of the network that must match.
* @param on_match what happens when there is a match
* @param on_mismatch what happens when there is a match
*
* Examples:
* <ul>
* <li>If you want to deny a certain netmask, but say nothing about another
* use (Deny, None).</li>
* <li>If you want to allow a certain netmask and deny all others:
* use (Allow, Deny). Note this mode could not be used in Series</li>
* </ul>
*
*/
public NetmaskTAAuthorizer(IPAddress nw, int bit_c,
TAAuthorizer.Decision on_match,
TAAuthorizer.Decision on_mismatch) {
_nw_bytes = nw.GetAddressBytes();
_bit_c = bit_c;
_result_on_match = on_match;
_result_on_mismatch = on_mismatch;
}
public FunctionEdgeListener(int id, double loss_prob, TAAuthorizer ta_auth)
{
_listener_id = id;
_ploss_prob = loss_prob;
if (ta_auth == null) {
_ta_auth = new ConstantAuthorizer(TAAuthorizer.Decision.Allow);
} else {
_ta_auth = ta_auth;
}
_tas = new ArrayList();
_tas.Add(TransportAddressFactory.CreateInstance("brunet.function://localhost:" +
_listener_id.ToString()) );
_queue = new Brunet.Util.LFBlockingQueue<FQEntry>();
_queue_thread = new Thread(new ThreadStart(StartQueueProcessing));
}
public TATypeAuthorizer(TransportAddress.TAType[] list,
TAAuthorizer.Decision on_match,
TAAuthorizer.Decision on_mismatch) {
_on_match = on_match;
_on_mismatch = on_mismatch;
_match_table = new Dictionary<TransportAddress.TAType, bool>();
foreach(TransportAddress.TAType tatype in list) {
_match_table[tatype] = true;
}
}
public CloseDeniedAction(TcpEdgeListener el, TAAuthorizer taa) {
TAA = taa;
EL = el;
}
/**
* @param port the port to listen on
* @param ipList an IEnumerable object of IPAddress objects.
* @param ta_auth the TAAuthorizer to use for remote nodes
*/
public TcpEdgeListener(int port, IEnumerable local_config_ips, TAAuthorizer ta_auth)
{
_is_started = 0;
_listen_sock = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
_listen_sock.LingerState = new LingerOption (true, 0);
IPEndPoint tmp_ep = new IPEndPoint(IPAddress.Any, port);
_listen_sock.Bind(tmp_ep);
_local_endpoint = (IPEndPoint) _listen_sock.LocalEndPoint;
port = _local_endpoint.Port;
_count = 0;
/**
* We get all the IPAddresses for this computer
*/
if( local_config_ips == null ) {
_tas = TransportAddressFactory.CreateForLocalHost(TransportAddress.TAType.Tcp, port);
}
else {
_tas = TransportAddressFactory.Create(TransportAddress.TAType.Tcp, port, local_config_ips);
}
_ta_auth = ta_auth;
if( _ta_auth == null ) {
//Always authorize in this case:
_ta_auth = new ConstantAuthorizer(TAAuthorizer.Decision.Allow);
}
_loop = new Thread( this.SelectLoop );
//This is how we push jobs into the SelectThread
ActionQueue = new LockFreeQueue<SocketStateAction>();
}
/**
* @param port the local port to bind to
* @param local_tas an IEnumerable object which gives the list of local
* IPs. This is consulted every time LocalTAs is accessed, so it can
* change as new interfaces are added
* @param ta_auth the TAAuthorizer for packets incoming
*/
public UdpEdgeListener(int port, IEnumerable local_config_ips, TAAuthorizer ta_auth)
{
_s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
ipep = new IPEndPoint(IPAddress.Any, port);
_s.Bind(ipep);
_port = port = ((IPEndPoint) (_s.LocalEndPoint)).Port;
/**
* We get all the IPAddresses for this computer
*/
if( local_config_ips == null ) {
_tas = TransportAddressFactory.CreateForLocalHost(TransportAddress.TAType.Udp, _port);
}
else {
_tas = TransportAddressFactory.Create(TransportAddress.TAType.Udp, _port, local_config_ips);
}
_nat_hist = null;
_nat_tas = new NatTAs( _tas, _nat_hist );
_ta_auth = ta_auth;
if( _ta_auth == null ) {
//Always authorize in this case:
_ta_auth = new ConstantAuthorizer(TAAuthorizer.Decision.Allow);
}
//We start out expecting around 30 edges with
//a load factor of 0.15 (to make edge lookup fast)
_id_ht = new Hashtable(30, 0.15f);
_remote_id_ht = new Hashtable();
_sync = new object();
_running = 0;
_isstarted = 0;
///@todo, we need a system for using the cryographic RNG
_rand = new Random();
_send_handler = this;
_listen_finished_event = new ManualResetEvent(false);
_listen_thread = new Thread( new ThreadStart(this.ListenThread) );
}
public SimulationEdgeListener(int id, double loss_prob, TAAuthorizer ta_auth) :
this(id, loss_prob, ta_auth, false) {}