Added forced acl command in OpenstackNetworking app

Change-Id: Id460a9d54b6dc4b624093411e50d73943c46868f
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
index d0ce4d3..3b6ce42 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/Constants.java
@@ -75,6 +75,7 @@
     public static final int PRIORITY_ARP_CONTROL_RULE = 40000;
     public static final int PRIORITY_ARP_REPLY_RULE = 40000;
     public static final int PRIORITY_ARP_REQUEST_RULE = 40000;
+    public static final int PRIORITY_FORCED_ACL_RULE = 50000;
 
     // flow table index
     public static final int STAT_INBOUND_TABLE = 0;
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackAddAclCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackAddAclCommand.java
new file mode 100644
index 0000000..4ece21b
--- /dev/null
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackAddAclCommand.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacknetworking.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.openstacknetworking.api.InstancePort;
+import org.onosproject.openstacknetworking.api.InstancePortService;
+import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService;
+
+import java.util.Optional;
+
+import static org.onosproject.openstacknetworking.api.Constants.DHCP_ARP_TABLE;
+import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID;
+import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_FORCED_ACL_RULE;
+
+/**
+ * Add acl.
+ */
+@Command(scope = "onos", name = "openstack-add-acl",
+        description = "Add acl rules to VM")
+public class OpenstackAddAclCommand extends AbstractShellCommand {
+    @Argument(index = 0, name = "src ip", description = "src ip address", required = true)
+    private String dstIp = null;
+
+    @Argument(index = 1, name = "dst port", description = "dst port", required = true)
+    private int portNumber = 0;
+
+    @Override
+    protected void execute() {
+
+        OpenstackFlowRuleService flowRuleService = AbstractShellCommand.get(OpenstackFlowRuleService.class);
+        CoreService coreService = AbstractShellCommand.get(CoreService.class);
+
+        ApplicationId appId = coreService.getAppId(OPENSTACK_NETWORKING_APP_ID);
+
+        InstancePortService instancePortService = AbstractShellCommand.get(InstancePortService.class);
+
+        try {
+            IpAddress dstIpAddress = IpAddress.valueOf(
+                    IpAddress.Version.INET, Ip4Address.valueOf(dstIp).toOctets());
+
+            log.info("Drop the packet from srcIp: {}, dstPort: {}", dstIpAddress.toString(), portNumber);
+
+            TrafficSelector selector = DefaultTrafficSelector.builder()
+                    .matchEthType(Ethernet.TYPE_IPV4)
+                    .matchIPProtocol(IPv4.PROTOCOL_TCP)
+                    .matchIPSrc(dstIpAddress.toIpPrefix())
+                    .matchTcpDst(TpPort.tpPort(portNumber))
+                    .build();
+
+            TrafficTreatment treatment = DefaultTrafficTreatment.builder().
+                    drop().build();
+
+            Optional<InstancePort> instancePort = instancePortService.instancePorts().stream()
+                    .filter(port -> port.ipAddress().toString().equals(dstIpAddress.toString()))
+                    .findAny();
+
+            if (!instancePort.isPresent()) {
+                log.info("Instance port that matches with the given ip address isn't present {}");
+                return;
+            }
+
+            flowRuleService.setRule(
+                    appId,
+                    instancePort.get().deviceId(),
+                    selector,
+                    treatment,
+                    PRIORITY_FORCED_ACL_RULE,
+                    DHCP_ARP_TABLE,
+                    true);
+        } catch (IllegalArgumentException e) {
+            log.error("IllegalArgumentException occurred because of {}", e.toString());
+        }
+    }
+}
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRemoveAclCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRemoveAclCommand.java
new file mode 100644
index 0000000..7bdcfef
--- /dev/null
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRemoveAclCommand.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacknetworking.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.openstacknetworking.api.InstancePort;
+import org.onosproject.openstacknetworking.api.InstancePortService;
+import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService;
+
+import java.util.Optional;
+
+import static org.onosproject.openstacknetworking.api.Constants.DHCP_ARP_TABLE;
+import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID;
+import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_FORCED_ACL_RULE;
+
+@Command(scope = "onos", name = "openstack-remove-acl",
+        description = "Add acl rules to VM")
+public class OpenstackRemoveAclCommand extends AbstractShellCommand {
+    @Argument(index = 0, name = "src ip", description = "src ip address", required = true)
+    private String dstIp = null;
+
+    @Argument(index = 1, name = "dst port", description = "dst port", required = true)
+    private int portNumber = 0;
+
+    @Override
+    protected void execute() {
+
+        OpenstackFlowRuleService flowRuleService = AbstractShellCommand.get(OpenstackFlowRuleService.class);
+        CoreService coreService = AbstractShellCommand.get(CoreService.class);
+
+        ApplicationId appId = coreService.getAppId(OPENSTACK_NETWORKING_APP_ID);
+
+        InstancePortService instancePortService = AbstractShellCommand.get(InstancePortService.class);
+
+        try {
+            IpAddress dstIpAddress = IpAddress.valueOf(
+                    IpAddress.Version.INET, Ip4Address.valueOf(dstIp).toOctets());
+
+            log.info("Allow the packet again from srcIp: {}, dstPort: {}", dstIpAddress.toString(), portNumber);
+
+            TrafficSelector selector = DefaultTrafficSelector.builder()
+                    .matchEthType(Ethernet.TYPE_IPV4)
+                    .matchIPProtocol(IPv4.PROTOCOL_TCP)
+                    .matchIPSrc(dstIpAddress.toIpPrefix())
+                    .matchTcpDst(TpPort.tpPort(portNumber))
+                    .build();
+
+            TrafficTreatment treatment = DefaultTrafficTreatment.builder().
+                    drop().build();
+
+            Optional<InstancePort> instancePort = instancePortService.instancePorts().stream()
+                    .filter(port -> port.ipAddress().toString().equals(dstIpAddress.toString()))
+                    .findAny();
+
+            if (!instancePort.isPresent()) {
+                log.info("Instance port that matches with the given ip address isn't present {}");
+                return;
+            }
+
+            flowRuleService.setRule(
+                    appId,
+                    instancePort.get().deviceId(),
+                    selector,
+                    treatment,
+                    PRIORITY_FORCED_ACL_RULE,
+                    DHCP_ARP_TABLE,
+                    false);
+        } catch (IllegalArgumentException e) {
+            log.error("IllegalArgumentException occurred because of {}", e.toString());
+        }
+    }
+}
diff --git a/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 77b3898..8fb8642 100644
--- a/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/apps/openstacknetworking/app/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -74,6 +74,12 @@
                 <ref component-id="arpModeCompleter"/>
             </completers>
         </command>
+        <command>
+            <action class="org.onosproject.openstacknetworking.cli.OpenstackAddAclCommand"></action>
+        </command>
+        <command>
+            <action class="org.onosproject.openstacknetworking.cli.OpenstackRemoveAclCommand"></action>
+        </command>
     </command-bundle>
 
     <bean id="ipAddressCompleter" class="org.onosproject.openstacknetworking.cli.IpAddressCompleter"/>