private bool TryNotifyServerAboutCrashedServer(string partitionName, string serverId, string crashedServerId)
{
Console.WriteLine(">>> Notifying Server=" + serverId + " about CrashedServer=" + crashedServerId);
try
{
reattachServer(serverId);
NotifyCrashReply notifyCrashReply = client.NotifyCrash(new NotifyCrashRequest {
PartitionId = partitionName, CrashedMasterServerId = crashedServerId
});
Console.WriteLine(">>> Got Reply from ServerId=" + serverId);
Console.WriteLine(">>> New Partition Master: PartitionName=" + partitionName + "PartitionMasterId=" + notifyCrashReply.MasterId);
string masterId = notifyCrashReply.MasterId;
PartitionMapping.SetPartitionMaster(partitionName, masterId);
if (serverId != masterId)
{
Console.WriteLine(">>> Reataching to new master. MasterId=" + masterId);
reattachServer(masterId);
}
else
{
Console.WriteLine(">>> Already Attached to new master. MasterId=" + masterId);
}
return(true);
}
catch
{
Console.WriteLine(">>> No Reply...");
return(false);
}
}
public void setNewPartitionMaster(string partition_id, string new_master_id)
{
// removeing partition master means deleting the old one and assigning the new one as a master
PartitionMapping.RemovePartitionMaster(partition_id);
PartitionMapping.SetPartitionMaster(partition_id, new_master_id);
}