[英]On Netty, how to use same IP/PORT of ServerBootstrap on a client (Boostrap) connection?
我有一个 VoIP 服务器,它在 TCP 端口 5000 上侦听。此端口对于所有接收和建立的连接都是必需的。 由于服务器引导程序使用端口 5000,如何创建客户端 TCP 连接,源端口 = 5000?
示例场景:客户 A 呼叫客户 B。需要进行两个单独的呼叫:
在调用 1 时,目标端口 = 5000 (ServerBootstrap)。 On call 2 源端口需要为 5000(客户端引导)。
有人可以给我一盏灯吗?
服务器
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
ServerBootstrap tcpBootstrap = new ServerBootstrap();
tcpBootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>()
{
@Override
public void initChannel(final SocketChannel ch) throws Exception
{
final ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("decoder", new SipMessageStreamDecoder());
pipeline.addLast("encoder", new SipMessageEncoder());
pipeline.addLast("handler", new DialerHandlerTCP());
}
})
.option(ChannelOption.SO_BACKLOG, 128)
.option(ChannelOption.SO_REUSEADDR, true)
.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
.childOption(ChannelOption.SO_KEEPALIVE, true)
.childOption(ChannelOption.TCP_NODELAY, true);
tcpBootstrap.bind(socketAddress).sync().channel();
客户端代码
Bootstrap bootstrapClient = new Bootstrap();
bootstrapClient.group(networkBind.channel.eventLoop()).channel(NioSocketChannel.class)
.handler(new ChannelInitializer<SocketChannel>()
{
@Override
public void initChannel(final SocketChannel ch) throws Exception
{
final ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("decoder", new SipMessageStreamDecoder());
pipeline.addLast("encoder", new SipMessageEncoder());
pipeline.addLast("handler", new DialerHandlerTCP());
}
});
您可以使用 Bootstrap class 的以下方法添加套接字地址:
public Bootstrap remoteAddress(SocketAddress remoteAddress)
public Bootstrap remoteAddress(String inetHost, int inetPort)
public Bootstrap remoteAddress(InetAddress inetHost,int inetPort)
在您的示例中,可以按如下方式完成:
bootstrapClient.group(networkBind.channel.eventLoop())
.channel(NioSocketChannel.class)
.remoteAddress(new InetSocketAddress(host, port))
.handler(new ChannelInitializer<SocketChannel>()
{
@Override
public void initChannel(final SocketChannel ch) throws Exception
{
final ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("decoder", new SipMessageStreamDecoder());
pipeline.addLast("encoder", new SipMessageEncoder());
pipeline.addLast("handler", new DialerHandlerTCP());
}
});
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