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Rewrote the bundle reading and writing code to eliminate copying. Signatures and digests are now calculated on the fly as the data is read or written. This is a little bit tricky in the case of reading because ReaderImpl uses a lookahead byte, so the signature and message digest need to lag one byte behind.

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akwizgran
2011-07-13 16:39:31 +01:00
parent 70c698ca9d
commit e13b0437c3
38 changed files with 655 additions and 1333 deletions
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12
components/net/sf/briar/db/DatabaseComponentImpl.java
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@@ -9,13 +9,9 @@ import net.sf.briar.api.db.DatabaseComponent;
import net.sf.briar.api.db.DbException;
import net.sf.briar.api.db.Status;
import net.sf.briar.api.protocol.AuthorId;
import net.sf.briar.api.protocol.BatchBuilder;
import net.sf.briar.api.protocol.HeaderBuilder;
import net.sf.briar.api.protocol.Message;
import net.sf.briar.api.protocol.MessageId;
import com.google.inject.Provider;
/**
* Abstract superclass containing code shared by ReadWriteLockDatabaseComponent
* and SynchronizedDatabaseComponent.
@@ -28,8 +24,6 @@ DatabaseCleaner.Callback {
protected final Database<Txn> db;
protected final DatabaseCleaner cleaner;
protected final Provider<HeaderBuilder> headerBuilderProvider;
protected final Provider<BatchBuilder> batchBuilderProvider;
private final Object spaceLock = new Object();
private final Object writeLock = new Object();
@@ -37,13 +31,9 @@ DatabaseCleaner.Callback {
private long timeOfLastCheck = 0L; // Locking: spaceLock
private volatile boolean writesAllowed = true;
DatabaseComponentImpl(Database<Txn> db, DatabaseCleaner cleaner,
Provider<HeaderBuilder> headerBuilderProvider,
Provider<BatchBuilder> batchBuilderProvider) {
DatabaseComponentImpl(Database<Txn> db, DatabaseCleaner cleaner) {
this.db = db;
this.cleaner = cleaner;
this.headerBuilderProvider = headerBuilderProvider;
this.batchBuilderProvider = batchBuilderProvider;
}
public void open(boolean resume) throws DbException {