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big ol' update to strip out the singletons, replacing them with

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a rooted app context.  The core itself has its own I2PAppContext
(see its javadoc for, uh, docs), and the router extends that to
expose the router's singletons.  The main point of this is to
make it so that we can run multiple routers in the same JVM, even
to allow different apps in the same JVM to switch singleton
implementations (e.g. run some routers with one set of profile
calculators, and other routers with a different one).
There is still some work to be done regarding the actual boot up
of multiple routers in a JVM, as well as their configuration,
though the plan is to have the RouterContext override the
I2PAppContext's getProperty/getPropertyNames methods to read from
a config file (seperate ones per context) instead of using the
System.getProperty that the base I2PAppContext uses.
Once the multi-router is working, i'll shim in a VMCommSystem
that doesn't depend upon sockets or threads to read/write (and
that uses configurable message send delays / disconnects / etc,
perhaps using data from the routerContext.getProperty to drive it).
I could hold off until the sim is all working, but there's a
truckload of changes in here and I hate dealing with conflicts ;)
Everything works - I've been running 'er for a while and kicked
the tires a bit, but if you see something amiss, please let me
know.
This commit is contained in:
jrandom
2004-04-24 11:54:35 +00:00
committed by zzz
parent c29a6b95ae
commit 393b1d7674
217 changed files with 16662 additions and 15452 deletions
Download Patch File Download Diff File Expand all files Collapse all files

172
router/java/src/net/i2p/data/i2np/SourceRouteBlock.java
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@ -26,6 +26,7 @@ import net.i2p.data.PublicKey;
import net.i2p.data.SessionKey;
import net.i2p.data.SessionTag;
import net.i2p.util.Log;
import net.i2p.I2PAppContext;
/**
@ -46,14 +47,14 @@ public class SourceRouteBlock extends DataStructureImpl {
private long _decryptedExpiration;
public SourceRouteBlock() {
setRouter(null);
setData(null);
setKey(null);
setTag((byte[])null);
_decryptedInstructions = null;
_decryptedMessageId = -1;
_decryptedCertificate = null;
_decryptedExpiration = -1;
setRouter(null);
setData(null);
setKey(null);
setTag((byte[])null);
_decryptedInstructions = null;
_decryptedMessageId = -1;
_decryptedCertificate = null;
_decryptedExpiration = -1;
}
/**
@ -92,9 +93,9 @@ public class SourceRouteBlock extends DataStructureImpl {
public byte[] getTag() { return _tag; }
public void setTag(SessionTag tag) { setTag(tag.getData()); }
public void setTag(byte tag[]) {
if ( (tag != null) && (tag.length != SessionTag.BYTE_LENGTH) )
throw new IllegalArgumentException("Tag must be either null or 32 bytes");
_tag = tag;
if ( (tag != null) && (tag.length != SessionTag.BYTE_LENGTH) )
throw new IllegalArgumentException("Tag must be either null or 32 bytes");
_tag = tag;
}
/**
@ -126,100 +127,105 @@ public class SourceRouteBlock extends DataStructureImpl {
*
* @throws DataFormatException if the data is invalid or could not be encrypted
*/
public void setData(DeliveryInstructions instructions, long messageId, Certificate cert, long expiration, PublicKey replyThrough) throws DataFormatException {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
public void setData(I2PAppContext ctx, DeliveryInstructions instructions,
long messageId, Certificate cert, long expiration,
PublicKey replyThrough) throws DataFormatException {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
_decryptedInstructions = instructions;
_decryptedMessageId = messageId;
_decryptedCertificate = cert;
_decryptedExpiration = expiration;
instructions.writeBytes(baos);
DataHelper.writeLong(baos, 4, messageId);
cert.writeBytes(baos);
DataHelper.writeDate(baos, new Date(expiration));
_decryptedInstructions = instructions;
_decryptedMessageId = messageId;
_decryptedCertificate = cert;
_decryptedExpiration = expiration;
int paddedSize = 256;
SessionKey sessKey = null;
SessionTag tag = null;
if (instructions.getDelayRequested()) {
// always use a new key if we're delaying, since the reply block may not be used within the
// window of a session
sessKey = KeyGenerator.getInstance().generateSessionKey();
tag = null;
_log.debug("Delay requested - creating a new session key");
} else {
sessKey = SessionKeyManager.getInstance().getCurrentKey(replyThrough);
if (sessKey == null) {
sessKey = KeyGenerator.getInstance().generateSessionKey();
tag = null;
_log.debug("No delay requested, but no session key is known");
} else {
tag = SessionKeyManager.getInstance().consumeNextAvailableTag(replyThrough, sessKey);
}
}
byte encData[] = ElGamalAESEngine.encrypt(baos.toByteArray(), replyThrough, sessKey, null, tag, paddedSize);
setData(encData);
} catch (IOException ioe) {
throw new DataFormatException("Error writing out the source route block data", ioe);
} catch (DataFormatException dfe) {
throw new DataFormatException("Error writing out the source route block data", dfe);
}
instructions.writeBytes(baos);
DataHelper.writeLong(baos, 4, messageId);
cert.writeBytes(baos);
DataHelper.writeDate(baos, new Date(expiration));
int paddedSize = 256;
SessionKey sessKey = null;
SessionTag tag = null;
if (instructions.getDelayRequested()) {
// always use a new key if we're delaying, since the reply block may not be used within the
// window of a session
sessKey = ctx.keyGenerator().generateSessionKey();
tag = null;
if (_log.shouldLog(Log.DEBUG))
_log.debug("Delay requested - creating a new session key");
} else {
sessKey = ctx.sessionKeyManager().getCurrentKey(replyThrough);
if (sessKey == null) {
sessKey = ctx.keyGenerator().generateSessionKey();
tag = null;
if (_log.shouldLog(Log.DEBUG))
_log.debug("No delay requested, but no session key is known");
} else {
tag = ctx.sessionKeyManager().consumeNextAvailableTag(replyThrough, sessKey);
}
}
byte encData[] = ctx.elGamalAESEngine().encrypt(baos.toByteArray(), replyThrough,
sessKey, null, tag, paddedSize);
setData(encData);
} catch (IOException ioe) {
throw new DataFormatException("Error writing out the source route block data", ioe);
} catch (DataFormatException dfe) {
throw new DataFormatException("Error writing out the source route block data", dfe);
}
}
public void readBytes(InputStream in) throws DataFormatException, IOException {
_router = new Hash();
_router.readBytes(in);
int size = (int)DataHelper.readLong(in, 2);
_data = new byte[size];
int read = read(in, _data);
if (read != _data.length)
throw new DataFormatException("Incorrect # of bytes read for source route block: " + read);
_key = new SessionKey();
_key.readBytes(in);
_tag = new byte[32];
read = read(in, _tag);
if (read != _tag.length)
throw new DataFormatException("Incorrect # of bytes read for session tag: " + read);
_router = new Hash();
_router.readBytes(in);
int size = (int)DataHelper.readLong(in, 2);
_data = new byte[size];
int read = read(in, _data);
if (read != _data.length)
throw new DataFormatException("Incorrect # of bytes read for source route block: " + read);
_key = new SessionKey();
_key.readBytes(in);
_tag = new byte[32];
read = read(in, _tag);
if (read != _tag.length)
throw new DataFormatException("Incorrect # of bytes read for session tag: " + read);
}
public void writeBytes(OutputStream out) throws DataFormatException, IOException {
if ( (_router == null) || (_data == null) || (_key == null) || (_tag == null) || (_tag.length != 32) )
throw new DataFormatException("Insufficient data to write");
_router.writeBytes(out);
DataHelper.writeLong(out, 2, _data.length);
out.write(_data);
_key.writeBytes(out);
out.write(_tag);
throw new DataFormatException("Insufficient data to write");
_router.writeBytes(out);
DataHelper.writeLong(out, 2, _data.length);
out.write(_data);
_key.writeBytes(out);
out.write(_tag);
}
public boolean equals(Object obj) {
if ( (obj == null) || !(obj instanceof SourceRouteBlock))
return false;
SourceRouteBlock block = (SourceRouteBlock)obj;
return DataHelper.eq(getRouter(), block.getRouter()) &&
DataHelper.eq(getData(), block.getData()) &&
DataHelper.eq(getKey(), block.getKey()) &&
DataHelper.eq(getTag(), block.getTag());
SourceRouteBlock block = (SourceRouteBlock)obj;
return DataHelper.eq(getRouter(), block.getRouter()) &&
DataHelper.eq(getData(), block.getData()) &&
DataHelper.eq(getKey(), block.getKey()) &&
DataHelper.eq(getTag(), block.getTag());
}
public int hashCode() {
return DataHelper.hashCode(getRouter()) +
DataHelper.hashCode(getData()) +
DataHelper.hashCode(getKey()) +
DataHelper.hashCode(getTag());
DataHelper.hashCode(getData()) +
DataHelper.hashCode(getKey()) +
DataHelper.hashCode(getTag());
}
public String toString() {
StringBuffer buf = new StringBuffer(128);
StringBuffer buf = new StringBuffer(128);
buf.append("[SourceRouteBlock: ");
buf.append("\n\tRouter: ").append(getRouter());
buf.append("\n\tData: ").append(DataHelper.toString(getData(), getData().length));
buf.append("\n\tTag: ").append(DataHelper.toString(getTag(), (getTag() != null ? getTag().length : 0)));
buf.append("\n\tKey: ").append(getKey());
buf.append("]");
return buf.toString();
buf.append("\n\tRouter: ").append(getRouter());
buf.append("\n\tData: ").append(DataHelper.toString(getData(), getData().length));
buf.append("\n\tTag: ").append(DataHelper.toString(getTag(), (getTag() != null ? getTag().length : 0)));
buf.append("\n\tKey: ").append(getKey());
buf.append("]");
return buf.toString();
}
}