original

[gb-231r1-is01/Gingerbread_2.3.3_r1_IS01.git] / libcore / luni / src / main / java / org / apache / harmony / xnet / provider / jsse / ServerSessionContext.java

diff --git a/libcore/luni/src/main/java/org/apache/harmony/xnet/provider/jsse/ServerSessionContext.java b/libcore/luni/src/main/java/org/apache/harmony/xnet/provider/jsse/ServerSessionContext.java
new file mode 100644 (file)
index 0000000..cb21be4
--- /dev/null
+++ b/libcore/luni/src/main/java/org/apache/harmony/xnet/provider/jsse/ServerSessionContext.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed 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
+ *
+ *      http://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 org.apache.harmony.xnet.provider.jsse;
+
+import javax.net.ssl.SSLSession;
+
+/**
+ * Caches server sessions. Indexes by session ID. Users typically look up
+ * sessions using the ID provided by an SSL client.
+ */
+public class ServerSessionContext extends AbstractSessionContext {
+
+    private SSLServerSessionCache persistentCache;
+
+    public ServerSessionContext() {
+        super(100, 0);
+
+        // TODO make sure SSL_CTX does not automaticaly clear sessions we want it to cache
+        // SSL_CTX_set_session_cache_mode(sslCtxNativePointer, SSL_SESS_CACHE_NO_AUTO_CLEAR);
+
+        // TODO remove SSL_CTX session cache limit so we can manage it
+        // SSL_CTX_sess_set_cache_size(sslCtxNativePointer, 0);
+
+        // TODO override trimToSize and removeEldestEntry to use
+        // SSL_CTX_sessions to remove from native cache
+    }
+
+    public void setPersistentCache(SSLServerSessionCache persistentCache) {
+        this.persistentCache = persistentCache;
+    }
+
+    protected void sessionRemoved(SSLSession session) {}
+
+    @Override
+    public SSLSession getSession(byte[] sessionId) {
+        SSLSession session = super.getSession(sessionId);
+        if (session != null) {
+            return session;
+        }
+
+        // Check persistent cache.
+        if (persistentCache != null) {
+            byte[] data = persistentCache.getSessionData(sessionId);
+            if (data != null) {
+                session = toSession(data, null, -1);
+                if (session != null && session.isValid()) {
+                    super.putSession(session);
+                    return session;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    void putSession(SSLSession session) {
+        super.putSession(session);
+
+        // TODO: In background thread.
+        if (persistentCache != null) {
+            byte[] data = toBytes(session);
+            if (data != null) {
+                persistentCache.putSessionData(session, data);
+            }
+        }
+    }
+}