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/*
* Copyright 2016-2017, Nokia Corporation
*
* 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.driver.vnfm.svnfm.msb.impl;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.common.bo.AdaptorEnv;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.constant.CommonConstants;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.http.client.HttpRequestProcessor;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.msb.inf.IMsbMgmr;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.RequestMethod;
@Component
public class MsbMgmrImpl implements IMsbMgmr {
private static final Logger logger = LogManager.getLogger("MsbMgmrImpl");
@Autowired
private HttpClientBuilder httpClientBuilder;
@Autowired
private AdaptorEnv adaptorEnv;
@Value("${serviceName}")
private String serviceName;
@Value("${version}")
private String version;
@Value("${url}")
private String url;
@Value("${protocol}")
private String protocol;
@Value("${visualRange}")
private String visualRange;
@Value("${ip}")
private String ip;
@Value("${port}")
private String port;
@Value("${ttl}")
private String ttl;
@Override
public void register() {
String httpPath = CommonConstants.MSB_REGISTER_SERVICE_PATH;
RequestMethod method = RequestMethod.POST;
try {
String jsonStr = readVfcAdaptorInfoFromJsonFile();
String registerResponse = operateHttpTask(jsonStr, httpPath, method);
logger.info("registerResponse is ", registerResponse);
} catch (IOException e) {
logger.error("Failed to read vfcadaptor info! ", e);
}
}
public String readVfcAdaptorInfoFromJsonFile() throws IOException {
InputStream ins = null;
BufferedInputStream bins = null;
String fileContent = "";
String fileName = getAppRoot() + "/etc/adapterInfo/vnfmadapterinfo.json";
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) {
logger.error(fileName + "is not found!", e);
} finally {
if(ins != null) {
ins.close();
}
if(bins != null) {
bins.close();
}
}
return fileContent;
}
@Override
public void unregister() {
String httpPath = String.format(CommonConstants.MSB_UNREGISTER_SERVICE_PATH, serviceName, version, ip, port);
RequestMethod method = RequestMethod.DELETE;
try {
String jsonStr = readVfcAdaptorInfoFromJsonFile();
String registerResponse = operateHttpTask(jsonStr, httpPath, method);
logger.info("unregisterResponse is ", registerResponse);
} catch (IOException e) {
logger.error("Failed to unregister! ", e);
}
}
public String operateHttpTask(String httpBodyObj, String httpPath, RequestMethod method) throws ClientProtocolException, IOException {
String url=adaptorEnv.getMsbApiUriFront() + httpPath;
HttpRequestProcessor processor = new HttpRequestProcessor(httpClientBuilder, method);
processor.addHdeader(CommonConstants.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
processor.addPostEntity(httpBodyObj);
String responseStr = processor.process(url);
return responseStr;
}
public String getAppRoot() {
String appRoot = null;
appRoot = System.getProperty("catalina.base");
if(appRoot != null) {
appRoot = getCanonicalPath(appRoot);
}
return appRoot;
}
private String getCanonicalPath(final String inPath) {
String path = null;
try {
if(inPath != null) {
final File file = new File(inPath);
path = file.getCanonicalPath();
}
} catch(final IOException e) {
logger.error("file.getCanonicalPath() IOException:", e);
}
return path;
}
}
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