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fix concurrency issue in packethandler

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This commit is contained in:
sirjonasxx 2020-05-22 18:32:36 +02:00
parent 72b612f796
commit cfe6b23c33
1 changed files with 12 additions and 9 deletions
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21
G-Earth/src/main/java/gearth/protocol/packethandler/PacketHandler.java
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@ -23,7 +23,8 @@ public abstract class PacketHandler {
volatile boolean isDataStream = false;
private volatile int currentIndex = 0;
private final Object lock = new Object();
private final Object manipulationLock = new Object();
private final Object sendLock = new Object();
private RC4 decryptcipher = null;
private RC4 encryptcipher = null;
@ -58,7 +59,7 @@ public abstract class PacketHandler {
payloadBuffer.push(buffer);
}
else if (!HConnection.DECRYPTPACKETS) {
synchronized (lock) {
synchronized (sendLock) {
out.write(buffer);
}
}
@ -125,7 +126,7 @@ public abstract class PacketHandler {
}
public void sendToStream(byte[] buffer) {
synchronized (lock) {
synchronized (sendLock) {
try {
out.write(
(!isEncryptedStream)
@ -139,7 +140,7 @@ public abstract class PacketHandler {
}
public void flush() throws IOException {
synchronized (lock) {
synchronized (manipulationLock) {
HPacket[] hpackets = payloadBuffer.receive();
for (HPacket hpacket : hpackets){
@ -150,11 +151,13 @@ public abstract class PacketHandler {
}
if (!hMessage.isBlocked()) {
out.write(
(!isencrypted)
? hMessage.getPacket().toBytes()
: encryptcipher.rc4(hMessage.getPacket().toBytes())
);
synchronized (sendLock) {
out.write(
(!isencrypted)
? hMessage.getPacket().toBytes()
: encryptcipher.rc4(hMessage.getPacket().toBytes())
);
}
}
currentIndex++;
}