Add multivimproxy adapter code

Change-Id: I91faf3bd63c2af9bc321228fcf2a63ffa2d9cacb
Issue-ID: VFC-644
Signed-off-by: victor.gao <victor.gao@huawei.com>

4 files changed, 386 insertions, 0 deletions

diff --git a/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapter2MSBManager.java b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapter2MSBManager.java
new file mode 100644
index 0000000..d97c5bb
--- /dev/null
+++ b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapter2MSBManager.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2016-2017 Huawei Technologies Co., Ltd.
+ *
+ * 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.onap.vfc.nfvo.multivimproxy.service.adapter.impl;
+
+import java.util.Map;
+
+import org.onap.vfc.nfvo.multivimproxy.common.constant.Constant;
+import org.onap.vfc.nfvo.multivimproxy.common.constant.HttpConstant;
+import org.onap.vfc.nfvo.multivimproxy.common.util.RestfulUtil;
+import org.onap.vfc.nfvo.multivimproxy.service.adapter.inf.IMultivimProxyAdapter2MSBManager;
+import org.onap.vfc.nfvo.multivimproxy.common.util.restclient.RestfulResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import net.sf.json.JSONObject;
+
+/**
+ * <br>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version VFC 1.0 Sep 22, 2016
+ */
+public class MultivimProxyAdapter2MSBManager implements IMultivimProxyAdapter2MSBManager {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MultivimProxyAdapter2MSBManager.class);
+
+    @Override
+    public JSONObject registerProxy(Map<String, String> paramsMap, JSONObject driverInfo) {
+        JSONObject resultObj = new JSONObject();
+
+        RestfulResponse rsp = RestfulUtil.getRemoteResponse(paramsMap, driverInfo.toString());
+        if(null == rsp) {
+            LOG.error("function=registerResmgr,  RestfulResponse is null");
+            resultObj.put("reason", "RestfulResponse is null.");
+            resultObj.put("retCode", Constant.ERROR_CODE);
+            return resultObj;
+        }
+        LOG.warn("function=multivimproxy, status={}, content={}.", rsp.getStatus(), rsp.getResponseContent());
+        String resultCreate = rsp.getResponseContent();
+
+        if(rsp.getStatus() == HttpConstant.HTTP_CREATED) {
+            LOG.warn("function=registerProxy, msg= status={}, result={}.", rsp.getStatus(), resultCreate);
+            resultObj = JSONObject.fromObject(resultCreate);
+            resultObj.put("retCode", HttpConstant.HTTP_CREATED);
+            return resultObj;
+        } else if(rsp.getStatus() == HttpConstant.HTTP_INVALID_PARAMETERS) {
+            LOG.error("function=registerProxy, msg=MSB return fail,invalid parameters,status={}, result={}.",
+                    rsp.getStatus(), resultCreate);
+            resultObj.put("reason", "MSB return fail,invalid parameters.");
+        } else if(rsp.getStatus() == HttpConstant.HTTP_INNERERROR_CODE) {
+            LOG.error("function=registerProxy, msg=MSB return fail,internal system error,status={}, result={}.",
+                    rsp.getStatus(), resultCreate);
+            resultObj.put("reason", "MSB return fail,internal system error.");
+        }
+        resultObj.put("retCode", Constant.ERROR_CODE);
+        return resultObj;
+    }
+
+    @Override
+    public JSONObject unregisterProxy(Map<String, String> paramsMap) {
+        JSONObject resultObj = new JSONObject();
+
+        RestfulResponse rsp = RestfulUtil.getRemoteResponse(paramsMap, "");
+        if(null == rsp) {
+            LOG.error("function=unregisterProxy,  RestfulResponse is null");
+            resultObj.put("reason", "RestfulResponse is null.");
+            resultObj.put("retCode", Constant.ERROR_CODE);
+            return resultObj;
+        }
+        String resultCreate = rsp.getResponseContent();
+
+        if(rsp.getStatus() == HttpConstant.HTTP_NOCONTENT) {
+            LOG.warn("function=unregisterProxy, msg= status={}, result={}.", rsp.getStatus(), resultCreate);
+            resultObj = JSONObject.fromObject(resultCreate);
+            resultObj.put("retCode", HttpConstant.HTTP_NOCONTENT);
+            return resultObj;
+        } else if(rsp.getStatus() == HttpConstant.HTTP_NOTFOUND_CODE) {
+            LOG.error(
+                    "function=unregisterProxy, msg=MSB return fail,can't find the service instance.status={}, result={}.",
+                    rsp.getStatus(), resultCreate);
+            resultObj.put("reason", "MSB return fail,can't find the service instance.");
+        } else if(rsp.getStatus() == HttpConstant.HTTP_INVALID_PARAMETERS) {
+            LOG.error("function=unregisterProxy, msg=MSB return fail,invalid parameters,status={}, result={}.",
+                    rsp.getStatus(), resultCreate);
+            resultObj.put("reason", "MSB return fail,invalid parameters.");
+        } else if(rsp.getStatus() == HttpConstant.HTTP_INNERERROR_CODE) {
+            LOG.error("function=unregisterProxy, msg=MSB return fail,internal system error,status={}, result={}.",
+                    rsp.getStatus(), resultCreate);
+            resultObj.put("reason", "MSB return fail,internal system error.");
+        }
+        resultObj.put("retCode", Constant.ERROR_CODE);
+        return resultObj;
+    }
+
+}
diff --git a/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapterMgrService.java b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapterMgrService.java
new file mode 100644
index 0000000..bb4ec3a
--- /dev/null
+++ b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/impl/MultivimProxyAdapterMgrService.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., Ltd.
+ *
+ * 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.onap.vfc.nfvo.multivimproxy.service.adapter.impl;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.Executors;
+
+import org.onap.vfc.nfvo.multivimproxy.service.adapter.inf.IMultivimProxyAdapterMgrService;
+import org.onap.vfc.nfvo.multivimproxy.common.constant.Constant;
+import org.onap.vfc.nfvo.multivimproxy.common.constant.HttpConstant;
+import org.onap.vfc.nfvo.multivimproxy.common.constant.ParamConstant;
+import org.onap.vfc.nfvo.multivimproxy.common.constant.UrlConstant;
+import org.onap.vfc.nfvo.multivimproxy.common.util.restclient.SystemEnvVariablesFactory;
+import org.onap.vfc.nfvo.multivimproxy.service.adapter.inf.IMultivimProxyAdapter2MSBManager;
+import org.onap.vfc.nfvo.multivimproxy.service.adapter.inf.IMultivimProxyAdapterMgrService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import net.sf.json.JSONObject;
+
+/**
+ * <br>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version VFC 1.0 Sep 22, 2016
+ */
+public class MultivimProxyAdapterMgrService implements IMultivimProxyAdapterMgrService {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MultivimProxyAdapterMgrService.class);
+
+    public static final String RESMGRADAPTERINFO = "resmgradapterinfo.json";
+
+    @Override
+    public void register() {
+        // set BUS URL and mothedtype
+        Map<String, String> paramsMap = new HashMap<>();
+        paramsMap.put("url", UrlConstant.REST_MSB_REGISTER);
+        paramsMap.put("methodType", ParamConstant.PARAM_POST);
+
+        // get multivimproxy info and raise registration
+        try {
+            String resmgrInfo = readVimAdapterInfoFromJson();
+            if(!"".equals(resmgrInfo)) {
+                JSONObject adapterObject = JSONObject.fromObject(resmgrInfo);
+                RegisterMultivimProxyThread resmgrThread = new RegisterMultivimProxyThread(paramsMap, adapterObject);
+                Executors.newSingleThreadExecutor().submit(resmgrThread);
+            } else {
+                LOG.error("Resmgr info is null,please check!");
+            }
+
+        } catch(IOException e) {
+            LOG.error("Failed to read Resmgr info! " + e.getMessage(), e);
+        }
+
+    }
+
+    /**
+     * Retrieve VIM driver information.
+     * 
+     * @return
+     * @throws IOException
+     */
+    public static String readVimAdapterInfoFromJson() throws IOException {
+        InputStream ins = null;
+        BufferedInputStream bins = null;
+        String fileContent = "";
+
+        String fileName = SystemEnvVariablesFactory.getInstance().getAppRoot() + System.getProperty("file.separator")
+                + "etc" + System.getProperty("file.separator") + "adapterInfo" + System.getProperty("file.separator")
+                + RESMGRADAPTERINFO;
+
+        try {
+            ins = new FileInputStream(fileName);
+            bins = new BufferedInputStream(ins);
+
+            byte[] contentByte = new byte[ins.available()];
+            int num = bins.read(contentByte);
+
+            if(num > 0) {
+                fileContent = new String(contentByte);
+            }
+        } catch(FileNotFoundException e) {
+            LOG.error(fileName + "is not found!", e);
+        } finally {
+            if(ins != null) {
+                ins.close();
+            }
+            if(bins != null) {
+                bins.close();
+            }
+        }
+
+        return fileContent;
+    }
+
+    private static class RegisterMultivimProxyThread implements Runnable {
+
+        // Thread lock Object
+        private final Object lockObject = new Object();
+
+        private IMultivimProxyAdapter2MSBManager adapter2MSBMgr = new MultivimProxyAdapter2MSBManager();
+
+        // url and mothedtype
+        private Map<String, String> paramsMap;
+
+        // driver body
+        private JSONObject adapterInfo;
+
+        public RegisterMultivimProxyThread(Map<String, String> paramsMap, JSONObject adapterInfo) {
+            this.paramsMap = paramsMap;
+            this.adapterInfo = adapterInfo;
+        }
+
+        @Override
+        public void run() {
+            LOG.info("start register resmgr", RegisterMultivimProxyThread.class);
+
+            if(paramsMap == null || adapterInfo == null) {
+                LOG.error("parameter is null,please check!", RegisterMultivimProxyThread.class);
+                return;
+            }
+
+            // catch Runtime Exception
+            try {
+                sendRequest(paramsMap, adapterInfo);
+            } catch(RuntimeException e) {
+                LOG.error(e.getMessage(), e);
+            }
+
+        }
+
+        private void sendRequest(Map<String, String> paramsMap, JSONObject driverInfo) {
+            JSONObject resultObj = adapter2MSBMgr.registerProxy(paramsMap, driverInfo);
+
+            if(Integer.valueOf(resultObj.get("retCode").toString()) == HttpConstant.HTTP_CREATED) {
+                LOG.info("Resmgr has now Successfully Registered to the Microservice BUS!");
+            } else {
+                LOG.error("Resmgr failed to  Register to the Microservice BUS! Reason:"
+                        + resultObj.get("reason").toString() + " retCode:" + resultObj.get("retCode").toString());
+
+                // if registration fails,wait one minute and try again
+                try {
+                    synchronized(lockObject) {
+                        lockObject.wait(Constant.REPEAT_REG_TIME);
+                    }
+                } catch(InterruptedException e) {
+                    LOG.error(e.getMessage(), e);
+                }
+
+                sendRequest(this.paramsMap, this.adapterInfo);
+            }
+
+        }
+
+    }
+
+    @Override
+    public void unregister() {
+        // unregister
+    }
+
+}
diff --git a/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapter2MSBManager.java b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapter2MSBManager.java
new file mode 100644
index 0000000..abccf1f
--- /dev/null
+++ b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapter2MSBManager.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., Ltd.
+ *
+ * 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.onap.vfc.nfvo.multivimproxy.service.adapter.inf;
+
+import java.util.Map;
+
+import net.sf.json.JSONObject;
+
+/**
+ * <br>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version VFC 1.0 Sep 22, 2016
+ */
+public interface IMultivimProxyAdapter2MSBManager {
+
+    /**
+     * <br>
+     * 
+     * @param paramsMap
+     * @param driverInfo
+     * @return
+     * @since VFC 1.0
+     */
+    JSONObject registerProxy(Map<String, String> paramsMap, JSONObject driverInfo);
+
+    /**
+     * <br>
+     * 
+     * @param paramsMap
+     * @return
+     * @since VFC 1.0
+     */
+    JSONObject unregisterProxy(Map<String, String> paramsMap);
+
+}
diff --git a/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapterMgrService.java b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapterMgrService.java
new file mode 100644
index 0000000..eea2409
--- /dev/null
+++ b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/service/adapter/inf/IMultivimProxyAdapterMgrService.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., Ltd.
+ *
+ * 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.onap.vfc.nfvo.multivimproxy.service.adapter.inf;
+
+/**
+ * <br>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version VFC 1.0 Sep 22, 2016
+ */
+public interface IMultivimProxyAdapterMgrService {
+
+    /**
+     * Proxy register interface.
+     */
+    void register();
+
+    /**
+     * Proxy unregister interface.
+     */
+    void unregister();
+
+}