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#1996 P25P1 traffic channel monitor now clears allocated traffic channels each time the control frequency changes, which should be after a lose-sync event. This ensures that none of the traffic channel frequencies get blocked when the monitor thinks that a channel is already allocated. (#1997)

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Co-authored-by: Dennis Sheirer <dsheirer@github.com>
This commit is contained in:
Denny Sheirer
2024-10-01 04:03:25 -04:00
committed by GitHub
parent 0ecdf4dd2b
commit 161595e7c8
1 changed files with 16 additions and 5 deletions
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21
src/main/java/io/github/dsheirer/module/decode/p25/P25TrafficChannelManager.java
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@@ -70,6 +70,7 @@ import java.util.Queue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedTransferQueue;
import java.util.concurrent.locks.ReentrantLock;
import java.util.function.BiConsumer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -169,12 +170,22 @@ public class P25TrafficChannelManager extends TrafficChannelManager implements I
try
{
Channel channel = mAllocatedTrafficChannelMap.get(current);
if(!parentChannel.equals(channel))
//Shutdown all existing traffic channels and clear the maps.
mAllocatedTrafficChannelMap.forEach(new BiConsumer<Long, Channel>()
{
broadcast(new ChannelEvent(mAllocatedTrafficChannelMap.get(current), Event.REQUEST_DISABLE));
}
@Override
public void accept(Long aLong, Channel channel)
{
if(!parentChannel.equals(channel))
{
broadcast(new ChannelEvent(channel, Event.REQUEST_DISABLE));
}
}
});
mAllocatedTrafficChannelMap.clear();
mTS1ChannelGrantEventMap.clear();
mTS2ChannelGrantEventMap.clear();
//Store the control channel in the allocated channel map so that we don't allocate a traffic channel against it
mAllocatedTrafficChannelMap.put(current, parentChannel);