/// <summary>
/// Create a new PendingInterest and set the timeoutTime_ based on the current
/// time and the interest lifetime.
/// </summary>
///
/// <param name="interest">The interest.</param>
/// <param name="face">packet to the face.</param>
public PendingInterest(Interest interest, Face face)
{
interest_ = interest;
face_ = face;
// Set up timeoutTimeMilliseconds_.
if (interest_.getInterestLifetimeMilliseconds() >= 0.0d)
{
timeoutTimeMilliseconds_ = net.named_data.jndn.util.Common.getNowMilliseconds()
+ interest_.getInterestLifetimeMilliseconds();
}
else
{
// No timeout.
timeoutTimeMilliseconds_ = -1.0d;
}
}
/// <summary>
/// Append a timestamp component and a random value component to interest's
/// name. This ensures that the timestamp is greater than the timestamp used in
/// the previous call. Then use keyChain to sign the interest which appends a
/// SignatureInfo component and a component with the signature bits. If the
/// interest lifetime is not set, this sets it.
/// </summary>
///
/// <param name="interest">The interest whose name is append with components.</param>
/// <param name="keyChain">The KeyChain for calling sign.</param>
/// <param name="certificateName">The certificate name of the key to use for signing.</param>
/// <param name="wireFormat"></param>
public void generate(Interest interest, KeyChain keyChain,
Name certificateName, WireFormat wireFormat)
{
prepareCommandInterestName(interest, wireFormat);
keyChain.sign(interest, certificateName, wireFormat);
if (interest.getInterestLifetimeMilliseconds() < 0)
{
// The caller has not set the interest lifetime, so set it here.
interest.setInterestLifetimeMilliseconds(1000.0d);
}
}
static void dumpInterest(Interest interest)
{
Console.Out.WriteLine("name: " + interest.getName().toUri());
Console.Out.WriteLine("minSuffixComponents: " +
(interest.getMinSuffixComponents() >= 0 ?
"" + interest.getMinSuffixComponents() : "<none>"));
Console.Out.WriteLine("maxSuffixComponents: " +
(interest.getMaxSuffixComponents() >= 0 ?
"" + interest.getMaxSuffixComponents() : "<none>"));
Console.Out.Write("keyLocator: ");
if (interest.getKeyLocator().getType() == KeyLocatorType.NONE)
{
Console.Out.WriteLine("<none>");
}
else if (interest.getKeyLocator().getType() == KeyLocatorType.KEY_LOCATOR_DIGEST)
{
Console.Out.WriteLine("KeyLocatorDigest: " + interest.getKeyLocator().getKeyData().toHex());
}
else if (interest.getKeyLocator().getType() == KeyLocatorType.KEYNAME)
{
Console.Out.WriteLine("KeyName: " + interest.getKeyLocator().getKeyName().toUri());
}
else
{
Console.Out.WriteLine("<unrecognized ndn_KeyLocatorType>");
}
Console.Out.WriteLine
("exclude: " + (interest.getExclude().size() > 0 ?
interest.getExclude().toUri() : "<none>"));
Console.Out.WriteLine("lifetimeMilliseconds: " +
(interest.getInterestLifetimeMilliseconds() >= 0 ?
"" + interest.getInterestLifetimeMilliseconds() : "<none>"));
Console.Out.WriteLine("childSelector: " +
(interest.getChildSelector() >= 0 ?
"" + interest.getChildSelector() : "<none>"));
Console.Out.WriteLine("mustBeFresh: " + interest.getMustBeFresh());
Console.Out.WriteLine("nonce: " +
(interest.getNonce().size() > 0 ?
"" + interest.getNonce().toHex() : "<none>"));
}
public virtual void onTimeout(Interest interest)
{
double interestLifetime = interest.getInterestLifetimeMilliseconds();
if (interestLifetime < 0)
{
// Can't re-express.
if (callerOnTimeout_ != null)
{
try {
callerOnTimeout_.onTimeout(interest);
} catch (Exception ex) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onTimeout", ex);
}
}
return;
}
double nextInterestLifetime = interestLifetime * 2;
if (nextInterestLifetime > maxInterestLifetime_)
{
if (callerOnTimeout_ != null)
{
try {
callerOnTimeout_.onTimeout(interest);
} catch (Exception ex_0) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onTimeout", ex_0);
}
}
return;
}
Interest nextInterest = new Interest(interest);
nextInterest.setInterestLifetimeMilliseconds(nextInterestLifetime);
logger_.log(
ILOG.J2CsMapping.Util.Logging.Level.FINE,
"ExponentialReExpress: Increasing interest lifetime from {0} to {1} ms. Re-express interest {2}",
new Object[] { interestLifetime, nextInterestLifetime,
nextInterest.getName().toUri() });
try {
face_.expressInterest(nextInterest, callerOnData_, this);
} catch (IOException ex_1) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, null, ex_1);
}
}
/// <summary>
/// Create a new PendingInterest and set the timeoutTime_ based on the current
/// time and the interest lifetime.
/// </summary>
///
/// <param name="interest">The interest.</param>
/// <param name="face">packet to the face.</param>
public PendingInterest(Interest interest, Face face)
{
interest_ = interest;
face_ = face;
// Set up timeoutTimeMilliseconds_.
double interestLifetime = interest_
.getInterestLifetimeMilliseconds();
if (interestLifetime < 0.0d)
{
// The InterestLifetime is omitted, so use a default.
interestLifetime = 4000.0d;
}
timeoutTimeMilliseconds_ = net.named_data.jndn.util.Common.getNowMilliseconds()
+ interestLifetime;
}
/// <summary>
/// Append a timestamp component and a random value component to interest's
/// name. This ensures that the timestamp is greater than the timestamp used in
/// the previous call. Then use keyChain to sign the interest which appends a
/// SignatureInfo component and a component with the signature bits. If the
/// interest lifetime is not set, this sets it.
/// </summary>
///
/// <param name="interest">The interest whose name is append with components.</param>
/// <param name="keyChain">The KeyChain for calling sign.</param>
/// <param name="certificateName">The certificate name of the key to use for signing.</param>
/// <param name="wireFormat"></param>
public void generate(Interest interest, KeyChain keyChain,
Name certificateName, WireFormat wireFormat)
{
double timestamp;
lock (lastTimestampLock_) {
timestamp = Math.Round(net.named_data.jndn.util.Common.getNowMilliseconds(), MidpointRounding.AwayFromZero);
while (timestamp <= lastTimestamp_)
{
timestamp += 1.0d;
}
// Update the timestamp now while it is locked. In the small chance that
// signing fails, it just means that we have bumped the timestamp.
lastTimestamp_ = timestamp;
}
// The timestamp is encoded as a TLV nonNegativeInteger.
TlvEncoder encoder = new TlvEncoder(8);
encoder.writeNonNegativeInteger((long)timestamp);
interest.getName().append(new Blob(encoder.getOutput(), false));
// The random value is a TLV nonNegativeInteger too, but we know it is 8 bytes,
// so we don't need to call the nonNegativeInteger encoder.
ByteBuffer randomBuffer = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(8);
// Note: SecureRandom is thread safe.
net.named_data.jndn.util.Common.getRandom().nextBytes(randomBuffer.array());
interest.getName().append(new Blob(randomBuffer, false));
keyChain.sign(interest, certificateName, wireFormat);
if (interest.getInterestLifetimeMilliseconds() < 0)
{
// The caller has not set the interest lifetime, so set it here.
interest.setInterestLifetimeMilliseconds(1000.0d);
}
}
private static ArrayList dumpInterest(Interest interest)
{
ArrayList result = new ArrayList();
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("name:", interest.getName().toUri()));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump(
"minSuffixComponents:",
(interest.getMinSuffixComponents() >= 0) ? (Object)(interest.getMinSuffixComponents()) : (Object)("<none>")));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump(
"maxSuffixComponents:",
(interest.getMaxSuffixComponents() >= 0) ? (Object)(interest.getMaxSuffixComponents()) : (Object)("<none>")));
if (interest.getKeyLocator().getType() != net.named_data.jndn.KeyLocatorType.NONE)
{
if (interest.getKeyLocator().getType() == net.named_data.jndn.KeyLocatorType.KEY_LOCATOR_DIGEST)
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("keyLocator: KeyLocatorDigest:", interest
.getKeyLocator().getKeyData().toHex()));
}
else if (interest.getKeyLocator().getType() == net.named_data.jndn.KeyLocatorType.KEYNAME)
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("keyLocator: KeyName:", interest
.getKeyLocator().getKeyName().toUri()));
}
else
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("keyLocator: <unrecognized KeyLocatorType"));
}
}
else
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("keyLocator: <none>"));
}
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("exclude:", (interest.getExclude().size() > 0) ? interest
.getExclude().toUri() : "<none>"));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("childSelector:",
(interest.getChildSelector() >= 0) ? (Object)(interest.getChildSelector())
: (Object)("<none>")));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("mustBeFresh:", (interest.getMustBeFresh()) ? "true"
: "false"));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("nonce:", (interest.getNonce().size() == 0) ? "<none>"
: interest.getNonce().toHex()));
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("lifetimeMilliseconds:",
(interest.getInterestLifetimeMilliseconds() < 0) ? "<none>" : ""
+ (long)interest.getInterestLifetimeMilliseconds()));
if (interest.getForwardingHint().size() > 0)
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("forwardingHint:"));
for (int i = 0; i < interest.getForwardingHint().size(); ++i)
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump(" Preference: "
+ interest.getForwardingHint().get(i).getPreference()
+ ", Name: "
+ interest.getForwardingHint().get(i).getName().toUri()));
}
}
else
{
ILOG.J2CsMapping.Collections.Collections.Add(result, dump("forwardingHint: <none>"));
}
return(result);
}