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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.handler.ssl;
import io.netty.internal.tcnative.SSLContext;
import java.util.concurrent.locks.Lock;
/**
* Stats exposed by an OpenSSL session context.
*
* @see SSL_CTX_sess_number
*/
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() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionAcceptGood(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of start renegotiations in server mode.
*/
public long acceptRenegotiate() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionAcceptRenegotiate(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of successfully reused sessions. In client mode, a session set with {@code SSL_set_session}
* successfully reused is counted as a hit. In server mode, a session successfully retrieved from internal or
* external cache is counted as a hit.
*/
public long hits() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionHits(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of successfully retrieved sessions from the external session cache in server mode.
*/
public long cbHits() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionCbHits(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of sessions proposed by clients that were not found in the internal session cache
* in server mode.
*/
public long misses() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionMisses(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of sessions proposed by clients and either found in the internal or external session cache
* in server mode, but that were invalid due to timeout. These sessions are not included in the {@link #hits()}
* count.
*/
public long timeouts() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionTimeouts(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of sessions that were removed because the maximum session cache size was exceeded.
*/
public long cacheFull() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionCacheFull(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of times a client presented a ticket that did not match any key in the list.
*/
public long ticketKeyFail() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionTicketKeyFail(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of times a client did not present a ticket and we issued a new one
*/
public long ticketKeyNew() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionTicketKeyNew(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of times a client presented a ticket derived from an older key,
* and we upgraded to the primary key.
*/
public long ticketKeyRenew() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionTicketKeyRenew(context.ctx);
} finally {
readerLock.unlock();
}
}
/**
* Returns the number of times a client presented a ticket derived from the primary key.
*/
public long ticketKeyResume() {
Lock readerLock = context.ctxLock.readLock();
readerLock.lock();
try {
return SSLContext.sessionTicketKeyResume(context.ctx);
} finally {
readerLock.unlock();
}
}
}
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