OpenSslSessionStats Class — netty Architecture

Source Code

handler/src/main/java/io/netty/handler/ssl/OpenSslSessionStats.java lines 28–253

public final class OpenSslSessionStats {

    private final ReferenceCountedOpenSslContext context;

    // IMPORTANT: We take the OpenSslContext and not just the long (which points the native instance) to prevent
    //            the GC to collect OpenSslContext as this would also free the pointer and so could result in a
    //            segfault when the user calls any of the methods here that try to pass the pointer down to the native
    //            level.
    OpenSslSessionStats(ReferenceCountedOpenSslContext context) {
        this.context = context;
    }

    /**
     * Returns the current number of sessions in the internal session cache.
     */
    public long number() {
        Lock readerLock = context.ctxLock.readLock();
        readerLock.lock();
        try {
            return SSLContext.sessionNumber(context.ctx);
        } finally {
            readerLock.unlock();
        }
    }

    /**
     * Returns the number of started SSL/TLS handshakes in client mode.
     */
    public long connect() {
        Lock readerLock = context.ctxLock.readLock();
        readerLock.lock();
        try {
            return SSLContext.sessionConnect(context.ctx);
        } finally {
            readerLock.unlock();
        }
    }

    /**
     * Returns the number of successfully established SSL/TLS sessions in client mode.
     */
    public long connectGood() {
        Lock readerLock = context.ctxLock.readLock();
        readerLock.lock();
        try {
            return SSLContext.sessionConnectGood(context.ctx);
        } finally {
            readerLock.unlock();
        }
    }

    /**
     * Returns the number of start renegotiations in client mode.
     */
    public long connectRenegotiate() {
        Lock readerLock = context.ctxLock.readLock();
        readerLock.lock();
        try {
            return SSLContext.sessionConnectRenegotiate(context.ctx);
        } finally {
            readerLock.unlock();
        }
    }

    /**
     * Returns the number of started SSL/TLS handshakes in server mode.
     */
    public long accept() {
        Lock readerLock = context.ctxLock.readLock();
        readerLock.lock();
        try {
            return SSLContext.sessionAccept(context.ctx);
        } finally {
            readerLock.unlock();
        }
    }

    /**
     * Returns the number of successfully established SSL/TLS sessions in server mode.
     */
    public long acceptGood() {