ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

1 files changed, 95 insertions, 0 deletions

diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/packet/DefaultPacketContext.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/packet/DefaultPacketContext.java
new file mode 100644
index 00000000..166269f9
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/packet/DefaultPacketContext.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2014-2015 Open Networking Laboratory
+ *
+ * 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.onosproject.net.packet;
+
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.TrafficTreatment.Builder;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import static org.onosproject.security.AppGuard.checkPermission;
+import static org.onosproject.security.AppPermission.Type.*;
+
+/**
+ * Default implementation of a packet context.
+ */
+public abstract class DefaultPacketContext implements PacketContext {
+
+    private final long time;
+    private final InboundPacket inPkt;
+    private final OutboundPacket outPkt;
+    private final TrafficTreatment.Builder builder;
+
+    private final AtomicBoolean block;
+
+    /**
+     * Creates a new packet context.
+     *
+     * @param time creation time
+     * @param inPkt inbound packet
+     * @param outPkt outbound packet
+     * @param block whether the context is blocked or not
+     */
+    protected DefaultPacketContext(long time, InboundPacket inPkt,
+            OutboundPacket outPkt, boolean block) {
+        super();
+        this.time = time;
+        this.inPkt = inPkt;
+        this.outPkt = outPkt;
+        this.block = new AtomicBoolean(block);
+        this.builder = DefaultTrafficTreatment.builder();
+    }
+
+    @Override
+    public long time() {
+        checkPermission(PACKET_READ);
+        return time;
+    }
+
+    @Override
+    public InboundPacket inPacket() {
+        checkPermission(PACKET_READ);
+        return inPkt;
+    }
+
+    @Override
+    public OutboundPacket outPacket() {
+        checkPermission(PACKET_READ);
+        return outPkt;
+    }
+
+    @Override
+    public Builder treatmentBuilder() {
+        checkPermission(PACKET_READ);
+        return builder;
+    }
+
+    @Override
+    public abstract void send();
+
+    @Override
+    public boolean block() {
+        checkPermission(PACKET_WRITE);
+        return this.block.getAndSet(true);
+    }
+
+    @Override
+    public boolean isHandled() {
+        checkPermission(PACKET_READ);
+        return this.block.get();
+    }
+}
\ No newline at end of file