Support for a distributed counter
Change-Id: I346e9baa28556fac13e53771021f5f6fbcd75ac9
diff --git a/cli/src/main/java/org/onosproject/cli/net/CountersListCommand.java b/cli/src/main/java/org/onosproject/cli/net/CountersListCommand.java
new file mode 100644
index 0000000..2adba25
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/CountersListCommand.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 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.cli.net;
+
+import java.util.Map;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.service.StorageAdminService;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Command to list the various counters in the system.
+ */
+@Command(scope = "onos", name = "counters",
+ description = "Lists information about atomic counters in the system")
+public class CountersListCommand extends AbstractShellCommand {
+
+ private static final String FMT = "name=%s next_value=%d";
+
+ /**
+ * Displays counters as text.
+ *
+ * @param mapInfo map descriptions
+ */
+ private void displayCounters(Map<String, Long> counters) {
+ counters.forEach((name, nextValue) -> print(FMT, name, nextValue));
+ }
+
+ /**
+ * Converts info for counters into a JSON object.
+ *
+ * @param counters counter info
+ */
+ private JsonNode json(Map<String, Long> counters) {
+ ObjectMapper mapper = new ObjectMapper();
+ ArrayNode jsonCounters = mapper.createArrayNode();
+
+ // Create a JSON node for each counter
+ counters.forEach((name, value) -> {
+ ObjectNode jsonCounter = mapper.createObjectNode();
+ jsonCounter.put("name", name)
+ .put("value", value);
+ jsonCounters.add(jsonCounter);
+ });
+
+ return jsonCounters;
+ }
+
+ @Override
+ protected void execute() {
+ StorageAdminService storageAdminService = get(StorageAdminService.class);
+ Map<String, Long> counters = storageAdminService.getCounters();
+ if (outputJson()) {
+ print("%s", json(counters));
+ } else {
+ displayCounters(counters);
+ }
+ }
+}
diff --git a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 01d6e62..96a907d 100644
--- a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -233,6 +233,9 @@
<action class="org.onosproject.cli.net.MapsListCommand"/>
</command>
<command>
+ <action class="org.onosproject.cli.net.CountersListCommand"/>
+ </command>
+ <command>
<action class="org.onosproject.cli.net.TransactionsCommand"/>
</command>
<command>