ONOS-4080 ISIS Config Provider

Change-Id: I3387bef3babd402268cb49d371d37ac9e192fba6

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<app name="org.onosproject.isis" origin="ON.Lab" version="${project.version}"
+     featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
+     features="${project.artifactId}">
+    <description>${project.description}</description>
+    <artifact>mvn:${project.groupId}/onos-isis-api/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-isis-isisio/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-isis-ctl/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-isis-provider-device/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-isis-provider-cfg/${project.version}</artifact>
+</app>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
+    <repository>mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features</repository>
+    <feature name="${project.artifactId}" version="${project.version}"
+             description="${project.description}">
+        <feature>onos-api</feature>
+        <bundle>mvn:${project.groupId}/onos-isis-api/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-isis-isisio/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-isis-ctl/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-isis-provider-device/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-isis-provider-cfg/${project.version}</bundle>
+    </feature>
+</features>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-isis-providers</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-isis-app</artifactId>
+    <packaging>pom</packaging>
+
+    <description>Isis protocol southbound providers</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-isisio</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-ctl</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-provider-device</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-provider-cfg</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-isis-providers</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-isis-provider-cfg</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>ONOS ISIS Providers</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr.annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-ctl</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file

+/*
+ * Copyright 2016-present 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.provider.isis.cfg.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onlab.osgi.DefaultServiceDirectory;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.isis.controller.IsisController;
+import org.onosproject.net.config.Config;
+
+/**
+ * Configuration object for ISIS.
+ */
+public class IsisAppConfig extends Config<ApplicationId> {
+    public static final String METHOD = "method";
+    public static final String PROCESSES = "processes";
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    IsisController isisController;
+
+    /**
+     * Returns the configuration method, add, delete etc.
+     *
+     * @return the configuration method, add, delete etc
+     */
+    public String method() {
+        return get(METHOD, null);
+    }
+
+    /**
+     * Returns the configured processes.
+     *
+     * @return the configured processes
+     */
+    public JsonNode processes() {
+
+        JsonNode jsonNodes = object.get(PROCESSES);
+
+        return jsonNodes;
+    }
+
+    @Override
+    public boolean isValid() {
+        this.isisController = DefaultServiceDirectory.getService(IsisController.class);
+
+        return true;
+    }
+}
\ No newline at end of file

+/*
+ * Copyright 2016-present 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.provider.isis.cfg.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.isis.controller.IsisController;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.config.basics.SubjectFactories;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * ISIS config provider to validate and populate the configuration.
+ */
+@Component(immediate = true)
+@Service
+public class IsisCfgProvider extends AbstractProvider {
+
+    private static final String PROVIDER_ID = "org.onosproject.provider.isis.cfg";
+    private static final Logger log = getLogger(IsisCfgProvider.class);
+    private final ConfigFactory configFactory =
+            new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, IsisAppConfig.class, "isisapp") {
+                @Override
+                public IsisAppConfig createConfig() {
+                    return new IsisAppConfig();
+                }
+            };
+    private final NetworkConfigListener configListener = new InternalConfigListener();
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected IsisController isisController;
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigRegistry configRegistry;
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigService configService;
+    private ApplicationId appId;
+
+    /**
+     * Creates an ISIS config provider.
+     */
+    public IsisCfgProvider() {
+        super(new ProviderId("isis", PROVIDER_ID));
+    }
+
+    @Activate
+    public void activate() {
+        log.debug("Activate...!!!");
+        appId = coreService.registerApplication(PROVIDER_ID);
+        configService.addListener(configListener);
+        configRegistry.registerConfigFactory(configFactory);
+        log.debug("ISIS cfg service got started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.debug("Deactivate...!!!");
+        configRegistry.unregisterConfigFactory(configFactory);
+        configService.removeListener(configListener);
+    }
+
+    /**
+     * Pushes the configuration changes to ISIS controller.
+     */
+    private void updateConfig() {
+        IsisAppConfig isisAppConfig = configRegistry.getConfig(appId, IsisAppConfig.class);
+        log.debug("IsisAppConfig::config processes::" + isisAppConfig.processes());
+        log.debug("IsisAppConfig::prop 1::" + isisAppConfig.method());
+        if ("ADD".equalsIgnoreCase(isisAppConfig.method())) {
+            JsonNode jsonNode = isisAppConfig.processes();
+            isisController.updateConfig(jsonNode);
+        }
+    }
+
+    /**
+     * Isis config listener to populate the configuration.
+     */
+    private class InternalConfigListener implements NetworkConfigListener {
+
+        @Override
+        public void event(NetworkConfigEvent event) {
+            log.debug("config event is getting called...!!!");
+            if (!event.configClass().equals(IsisAppConfig.class)) {
+                return;
+            }
+
+            switch (event.type()) {
+                case CONFIG_ADDED:
+                    updateConfig();
+                    break;
+                case CONFIG_UPDATED:
+                    updateConfig();
+                    break;
+                case CONFIG_REMOVED:
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
\ No newline at end of file

+/*
+ * Copyright 2016-present 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.
+ */
+
+/**
+ * Provider that uses network configuration capability as a means of infrastructure configuration.
+ */
+package org.onosproject.provider.isis.cfg.impl;

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-isis-providers</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-isis-provider-device</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>ONOS ISIS Providers</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr.annotations</artifactId>
+        </dependency>
+    </dependencies>
+</project>

+/*
+ * Copyright 2016-present 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.provider.isis.device.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.isis.controller.IsisController;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Provider which advertises device descriptions to the core.
+ */
+@Component(immediate = true)
+public class IsisTopologyProvider extends AbstractProvider {
+
+    private static final Logger log = getLogger(IsisTopologyProvider.class);
+    final InternalDeviceProvider listener = new InternalDeviceProvider();
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    private IsisController isisController;
+
+
+    /**
+     * Creates an ISIS device provider.
+     */
+    public IsisTopologyProvider() {
+        super(new ProviderId("isis", "org.onosproject.provider.isis"));
+    }
+
+    @Activate
+    public void activate() {
+        log.debug("Activate...!!!");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.debug("Deactivate...!!!");
+    }
+
+    /**
+     * Internal device provider implementation.
+     */
+    private class InternalDeviceProvider {
+
+    }
+}

+/*
+ * Copyright 2016-present 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.
+ */
+
+/**
+ * Provider that uses ISIS request as a means of infrastructure device discovery.
+ */
+package org.onosproject.provider.isis.device.impl;
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016-present 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-providers</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-isis-providers</artifactId>
+    <packaging>pom</packaging>
+
+    <description>ONOS ISIS protocol adapters</description>
+
+    <modules>
+        <module>device</module>
+        <module>app</module>
+        <module>cfg</module>
+    </modules>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-isis-ctl</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-api</artifactId>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file

@@ -46,6 +46,7 @@
         <module>lldp</module>
         <module>lldp</module>
         <module>netcfglinks</module>
         <module>netcfglinks</module>
         <module>bmv2</module>
         <module>bmv2</module>
+        <module>isis</module>
     </modules>
     </modules>
 
 
     <dependencies>
     <dependencies>