flavien/Projet_JAVA_P2P_STRI2A
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UDP packets max size fix
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This commit is contained in:
Louis Royer 2020-04-02 00:53:57 +02:00
parent 00170748f4
commit 2b8cd7c73a
1 changed files with 9 additions and 4 deletions
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13
src/protocolP2P/ProtocolP2PPacketUDP.java
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@ -30,6 +30,7 @@ import java.net.DatagramPacket;
import java.net.DatagramSocket; import java.net.DatagramSocket;
import java.net.SocketAddress; import java.net.SocketAddress;
import java.io.IOException; import java.io.IOException;
import java.util.Arrays;
/** Representation of packet. /** Representation of packet.
* @author Louis Royer * @author Louis Royer
@ -116,9 +117,11 @@ public class ProtocolP2PPacketUDP < T extends Payload> extends ProtocolP2PPacket
throw new InternalError(); throw new InternalError();
} }
DatagramSocket ss = (DatagramSocket)socket; DatagramSocket ss = (DatagramSocket)socket;
byte[] packet = new byte[1024]; byte[] packetTmp = new byte[0xFFFF];
DatagramPacket reception = new DatagramPacket(packet, packet.length); DatagramPacket reception = new DatagramPacket(packetTmp, packetTmp.length);
ss.receive(reception); ss.receive(reception);
int payloadSize = Payload.getPayloadSize(packetTmp);
byte[] packet = Arrays.copyOf(packetTmp, Payload.PAYLOAD_START_POSITION + payloadSize);
responseSocketAddress = reception.getSocketAddress(); responseSocketAddress = reception.getSocketAddress();
remoteHost = new HostItem(reception.getAddress().getHostName(), reception.getPort()); remoteHost = new HostItem(reception.getAddress().getHostName(), reception.getPort());
// contruction // contruction
@ -216,9 +219,11 @@ public class ProtocolP2PPacketUDP < T extends Payload> extends ProtocolP2PPacket
throw new InternalError(); throw new InternalError();
} }
// reception // reception
byte[] packet = new byte[8192]; byte[] packetTmp = new byte[0xFFFF];
DatagramPacket reception = new DatagramPacket(packet, packet.length); DatagramPacket reception = new DatagramPacket(packetTmp, packetTmp.length);
requestSocket.receive(reception); requestSocket.receive(reception);
int payloadSize = Payload.getPayloadSize(packetTmp);
byte[] packet = Arrays.copyOf(packetTmp, Payload.PAYLOAD_START_POSITION + payloadSize);
// contruction // contruction
try { try {