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@ -1,29 +1,30 @@ |
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/* Angelehnt an Kurose/Ross Computernetzwerke (bis 5e Java, ab 6e Python) */ |
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package verteiltesysteme.socket.simple; |
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import java.net.*; |
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class UDPServer { |
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public static void main(String args[]) throws Exception { |
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int udpPort = 36037; |
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@SuppressWarnings("resource") |
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DatagramSocket serverSocket = new DatagramSocket(udpPort); |
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byte[] receiveData = new byte[1024]; |
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byte[] sendData = new byte[1024]; |
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while (true) { |
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DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length); |
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serverSocket.receive(receivePacket); |
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String sentence = new String(receivePacket.getData(), 0, receivePacket.getLength()); |
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InetAddress IPAddress = receivePacket.getAddress(); |
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int clientSrcPort = receivePacket.getPort(); |
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String capitalizedSentence = sentence.toUpperCase(); |
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sendData = capitalizedSentence.getBytes(); |
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DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, clientSrcPort); |
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serverSocket.send(sendPacket); |
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} |
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} |
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} |
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/* Angelehnt an Kurose/Ross Computernetzwerke (bis 5e Java, ab 6e Python) */ |
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package verteiltesysteme.socket.simple; |
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import java.net.*; |
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class UDPServer { |
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public static void main(String args[]) throws Exception { |
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int udpPort = 36037; |
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@SuppressWarnings("resource") |
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DatagramSocket serverSocket = new DatagramSocket(udpPort); |
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byte[] receiveData = new byte[1024]; |
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byte[] sendData = new byte[1024]; |
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while (true) { |
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DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length); |
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serverSocket.receive(receivePacket); |
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String sentence = new String(receivePacket.getData(), 0, receivePacket.getLength()); |
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InetAddress IPAddress = receivePacket.getAddress(); |
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int clientSrcPort = receivePacket.getPort(); |
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String capitalizedSentence = sentence.toUpperCase(); |
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sendData = capitalizedSentence.getBytes(); |
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DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, clientSrcPort); |
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serverSocket.send(sendPacket); |
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} |
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} |
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} |