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Added protocol version check

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Former-commit-id: b8a86baa0586c8c87cd92be16789295848c45799
This commit is contained in:
Ziver Koc 2016-01-18 16:43:03 +01:00
parent 9f9d0e73ee
commit 440cc1ec62
2 changed files with 12 additions and 4 deletions
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12
src/se/hal/deamon/PCDataSynchronizationClient.java
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@ -49,6 +49,15 @@ public class PCDataSynchronizationClient implements HalDaemon {
ObjectOutputStream out = new ObjectOutputStream(s.getOutputStream());
ObjectInputStream in = new ObjectInputStream(s.getInputStream());
// Check server protocol version
int version = in.readInt();
if(version != PCDataSynchronizationDaemon.PROTOCOL_VERSION){
logger.warning("Protocol version do not match, skipping user. " +
"(local v"+PCDataSynchronizationDaemon.PROTOCOL_VERSION+" != remote v"+version+")");
out.writeObject(null); // Tell server we are disconnecting
continue;
}
// Request peer data
out.writeObject(new PeerDataReqDTO());
PeerDataRspDTO peerData = (PeerDataRspDTO) in.readObject();
@ -98,9 +107,6 @@ public class PCDataSynchronizationClient implements HalDaemon {
logger.fine("Skipped sensor " + sensor.getId());
}
out.writeObject(null); // Tell server we are disconnecting
out.close();
in.close();
s.close();
} catch (NoRouteToHostException|UnknownHostException|ConnectException e) {
logger.warning("Unable to connect to "+ user.getHostname()+":"+user.getPort() +", "+ e.getMessage());

2
src/se/hal/deamon/PCDataSynchronizationDaemon.java
View file

@ -28,6 +28,7 @@ import java.util.logging.Logger;
public class PCDataSynchronizationDaemon extends ThreadedTCPNetworkServer implements HalDaemon {
private static final Logger logger = LogUtil.getLogger();
public static final int PROTOCOL_VERSION = 2;
public PCDataSynchronizationDaemon() {
@ -71,6 +72,7 @@ public class PCDataSynchronizationDaemon extends ThreadedTCPNetworkServer implem
try {
Object obj = null;
out.writeInt(PROTOCOL_VERSION); // send our protocol version to client
while((obj = in.readObject()) != null){
if(obj instanceof PeerDataReqDTO){
logger.fine("Client requesting peer data");