Java NetUtils.getLocalHost方法代码示例

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public Peer join(URL url, ChannelHandler handler) throws RemotingException {
    Peer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public ExchangePeer joinExchange(URL url, ExchangeHandler handler) throws RemotingException {
    ExchangePeer peer = super.join(url, handler);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            if (full.equals(line)) {
                return peer;
            }
        }
        IOUtils.appendLines(file, new String[] {full});
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
    return peer;
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
@Override
public void leave(URL url) throws RemotingException {
    super.leave(url);
    try {
        String full = url.toFullString();
        String[] lines = IOUtils.readLines(file);
        List<String> saves = new ArrayList<String>();
        for (String line : lines) {
            if (full.equals(line)) {
                return;
            }
            saves.add(line);
        }
        IOUtils.appendLines(file, saves.toArray(new String[0]));
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public void index(Map<String, Object> context) throws Exception {
    Map<String, String> properties = new TreeMap<String, String>();
    StringBuilder msg = new StringBuilder();
    msg.append("Version: ");
    msg.append(Version.getVersion(Envs.class, "2.2.0"));
    properties.put("Registry", msg.toString());
    String address = NetUtils.getLocalHost();
    properties.put("Host", NetUtils.getHostName(address) + "/" + address);
    properties.put("Java", System.getProperty("java.runtime.name") + " " + System.getProperty("java.runtime.version"));
    properties.put("OS", System.getProperty("os.name") + " "
            + System.getProperty("os.version"));
    properties.put("CPU", System.getProperty("os.arch", "") + ", "
            + String.valueOf(Runtime.getRuntime().availableProcessors()) + " cores");
    properties.put("Locale", Locale.getDefault().toString() + "/"
            + System.getProperty("file.encoding"));
    properties.put("Uptime", formatUptime(ManagementFactory.getRuntimeMXBean().getUptime()) 
            + " From " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS Z").format(new Date(ManagementFactory.getRuntimeMXBean().getStartTime())) 
            + " To " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS Z").format(new Date()));
    context.put("properties", properties);
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public void start() {
    String serverPort = ConfigUtils.getProperty(JETTY_PORT);
    int port;
    if (serverPort == null || serverPort.length() == 0) {
        port = DEFAULT_JETTY_PORT;
    } else {
        port = Integer.parseInt(serverPort);
    }
    connector = new SelectChannelConnector();
    connector.setPort(port);
    ServletHandler handler = new ServletHandler();
    
    String resources = ConfigUtils.getProperty(JETTY_DIRECTORY);
    if (resources != null && resources.length() > 0) {
        FilterHolder resourceHolder = handler.addFilterWithMapping(ResourceFilter.class, "/*", Handler.DEFAULT);
        resourceHolder.setInitParameter("resources", resources);
    }
    
    ServletHolder pageHolder = handler.addServletWithMapping(PageServlet.class, "/*");
    pageHolder.setInitParameter("pages", ConfigUtils.getProperty(JETTY_PAGES));
    pageHolder.setInitOrder(2);
    
    Server server = new Server();
    server.addConnector(connector);
    server.addHandler(handler);
    try {
        server.start();
    } catch (Exception e) {
        throw new IllegalStateException("Failed to start jetty server on " + NetUtils.getLocalHost() + ":" + port + ", cause: " + e.getMessage(), e);
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public Result doInvoke(Invocation invocation, List<Invoker<T>> invokers, LoadBalance loadbalance) throws RpcException {
    checkInvokers(invokers, invocation);
    Invoker<T> invoker = select(loadbalance, invocation, invokers, null);
    try {
        return invoker.invoke(invocation);
    } catch (Throwable e) {
        if (e instanceof RpcException && ((RpcException)e).isBiz()) { // biz exception.
            throw (RpcException) e;
        }
        throw new RpcException(e instanceof RpcException ? ((RpcException)e).getCode() : 0, "Failfast invoke providers " + invoker.getUrl() + " " + loadbalance.getClass().getSimpleName() + " select from all providers " + invokers + " for service " + getInterface().getName() + " method " + invocation.getMethodName() + " on consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion() + ", but no luck to perform the invocation. Last error is: " + e.getMessage(), e.getCause() != null ? e.getCause() : e);
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
private void changed() throws RemotingException {
    try {
        String[] lines = IOUtils.readLines(file);
        for (String line : lines) {
            connect(URL.valueOf(line));
        }
    } catch (IOException e) {
        throw new RemotingException(new InetSocketAddress(NetUtils.getLocalHost(), 0), getUrl().toInetSocketAddress(), e.getMessage(), e);
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public Result doInvoke(Invocation invocation, List<Invoker<T>> invokers, LoadBalance loadbalance) throws RpcException {
    checkInvokers(invokers, invocation);
    Invoker<T> invoker = select(loadbalance, invocation, invokers, null);
    try {
        return invoker.invoke(invocation);
    } catch (Throwable e) {
        if (e instanceof RpcException && ((RpcException) e).isBiz()) { // biz exception.
            throw (RpcException) e;
        }
        throw new RpcException(e instanceof RpcException ? ((RpcException) e).getCode() : 0, "Failfast invoke providers " + invoker.getUrl() + " " + loadbalance.getClass().getSimpleName() + " select from all providers " + invokers + " for service " + getInterface().getName() + " method " + invocation.getMethodName() + " on consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion() + ", but no luck to perform the invocation. Last error is: " + e.getMessage(), e.getCause() != null ? e.getCause() : e);
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
/**
 * get local host.
 * 
 * @return local host
 */
public String getLocalHost() {
    String host = localAddress == null ? null : 
        localAddress.getAddress() == null ? localAddress.getHostName() 
                : NetUtils.filterLocalHost(localAddress.getAddress().getHostAddress());
    if (host == null || host.length() == 0) {
        return NetUtils.getLocalHost();
    }
    return host;
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public List<Invoker<T>> doList(Invocation invocation) {
    if (forbidden) {
        throw new RpcException(RpcException.FORBIDDEN_EXCEPTION, "Forbid consumer " +  NetUtils.getLocalHost() + " access service " + getInterface().getName() + " from registry " + getUrl().getAddress() + " use dubbo version " + Version.getVersion() + ", Please check registry access list (whitelist/blacklist).");
    }
    List<Invoker<T>> invokers = null;
    Map<String, List<Invoker<T>>> localMethodInvokerMap = this.methodInvokerMap; // local reference
    if (localMethodInvokerMap != null && localMethodInvokerMap.size() > 0) {
        String methodName = RpcUtils.getMethodName(invocation);
        Object[] args = RpcUtils.getArguments(invocation);
        if(args != null && args.length > 0 && args[0] != null
                && (args[0] instanceof String || args[0].getClass().isEnum())) {
            invokers = localMethodInvokerMap.get(methodName + "." + args[0]); // 可根据第一个参数枚举路由
        }
        if(invokers == null) {
            invokers = localMethodInvokerMap.get(methodName);
        }
        if(invokers == null) {
            invokers = localMethodInvokerMap.get(Constants.ANY_VALUE);
        }
        if(invokers == null) {
            Iterator<List<Invoker<T>>> iterator = localMethodInvokerMap.values().iterator();
            if (iterator.hasNext()) {
                invokers = iterator.next();
            }
        }
    }
    return invokers == null ? new ArrayList<Invoker<T>>(0) : invokers;
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel();
        }
    }
}
 

import com.alibaba.dubbo.common.utils.NetUtils; //导入方法依赖的package包/类
public SimpleRegistryService() {
    super(new URL("dubbo", NetUtils.getLocalHost(), 0, RegistryService.class.getName(), "file", "N/A"));
}