public void Activate(IChannelHandlerContext context)
{
this.context = context;
this.send_message_flag = true;
this.executor_handler = ScheduledExecutorService.Scheduled(() =>
{
try
{
if (this.send_message_flag)
{
Send();
}
}
catch (Exception e)
{
Logger.Error("Unhandled exception " + e.Message);
}
}, 10, 10);
this.thread_send_message = new Thread(new ThreadStart(() =>
{
while (this.send_message_flag)
{
try
{
if (this.message_queue.TryDequeue(out Message message))
{
this.context.WriteAndFlushAsync(message.GetSendData()).ContinueWith(task =>
{
if (!task.IsCompleted && !this.channel.IsDisconnect)
{
Logger.Error(
string.Format("Fail send to {0}, {1}", this.context.Channel.RemoteAddress, message));
}
else
{
Logger.Debug(
string.Format("Send message {0}", message.Type.ToString()));
}
});
}
else
{
Thread.Sleep(10);
continue;
}
}
catch (System.Exception e)
{
Logger.Error(
string.Format("Fail send to {0}, error info: {1}", this.context.Channel.RemoteAddress, e.Message));
}
}
}))
{
Name = "SendMsgThread - " + this.context.Channel.RemoteAddress,
};
this.thread_send_message.Start();
}
public static ScheduledExecutorHandle Scheduled(IRunnable command, int due_time, int period)
{
ScheduledExecutorHandle handle = new ScheduledExecutorHandle(due_time, period);
new Thread(handle.Process).Start(command);
return handle;
}
public void Init()
{
this.fetch_handle = ScheduledExecutorService.Scheduled(() =>
{
try
{
if (this.is_fetch)
{
this.is_fetch = false;
StartFetchSyncBlock();
}
}
catch (System.Exception)
{
Logger.Error("Fetch sync block error.");
}
}, 10 * 1000, 1 * 1000);
this.block_handle = ScheduledExecutorService.Scheduled(() =>
{
try
{
if (this.is_handle)
{
this.is_handle = false;
HandleSyncBlock();
}
}
catch (System.Exception)
{
Logger.Error("Handle sync block error.");
}
}, 10 * 1000, 1 * 1000);
}
public static ScheduledExecutorHandle Scheduled(Action action, int due_time, int period)
{
ScheduledExecutorHandle handle = new ScheduledExecutorHandle(due_time, period);
new Thread(handle.Process).Start(action);
return handle;
}
public void Init()
{
if (Args.Instance.IsFastForward)
{
return;
}
this.handle_spread = ScheduledExecutorService.Scheduled(() =>
{
try
{
ConsumerInventoryToSpread();
}
catch (System.Exception e)
{
Logger.Error("Spread thread error. " + e.Message);
}
}, 100, 30);
this.handle_fetch = ScheduledExecutorService.Scheduled(() =>
{
try
{
ConsumerInventoryToFetch();
}
catch (System.Exception e)
{
Logger.Error("Fetch thread error." + e.Message);
}
}, 100, 30);
}
public void Init()
{
this.timer_pool = ScheduledExecutorService.Scheduled(() =>
{
try
{
FillUp();
}
catch (System.Exception e)
{
Logger.Error("Exception in sync worker", e);
}
}, 30 * 1000, 3600);
this.timer_log = ScheduledExecutorService.Scheduled(() =>
{
try
{
LogActivePeers();
}
catch
{
}
}, 30000, 10000);
}
public void Start()
{
this.discover = ScheduledExecutorService.Scheduled(
new DiscoverTask(this.node_manager), 1, (int)KademliaOptions.DISCOVER_CYCLE * 1000);
this.refresh = ScheduledExecutorService.Scheduled(
new RefreshTask(this.node_manager), 1, (int)KademliaOptions.BUCKET_REFRESH);
}
public void Close()
{
if (this.timer_ping != null && !this.timer_ping.IsCanceled)
{
this.timer_ping.Cancel();
this.timer_ping = null;
}
}
public override void HandlerAdded(IChannelHandlerContext context)
{
this.timer_ping = ScheduledExecutorService.Scheduled(() =>
{
if (!this.has_ping)
{
this.send_ping_time = Helper.CurrentTimeMillis();
this.has_ping = this.message_quque.SendMessage(new PingMessage());
}
}, 10 * 1000, 10 * 1000);
}
public void Init()
{
this.handler_peer_status = ScheduledExecutorService.Scheduled(() =>
{
try
{
StatusCheck();
}
catch (System.Exception e)
{
Logger.Error("Unhandled exception. " + e.Message);
}
}, 5000, 2000);
}
private void HandleSmartContract()
{
this.handle_contract = ScheduledExecutorService.Scheduled(() =>
{
try
{
while (wait_queue.Count < MAX_SMART_CONTRACT_SUBMIT_SIZE)
{
if (this.contract_queue.TryDequeue(out TxEvent tx_event))
{
ThreadPool.QueueUserWorkItem(new WaitCallback(HandleTransaction), new object[] { tx_event.Peer, tx_event.Message });
}
}
}
catch (System.Exception)
{
Logger.Error("Handle smart contract exception.");
}
}, 1000, 20);
}
public void Init()
{
Logger.Info(
string.Format("Fast forward config, isWitness: {0}, keySize: {1}, fastForwardNodes: {2}",
Args.Instance.IsWitness,
this.key_size,
this.nodes.Count));
if (!Args.Instance.IsWitness ||
this.key_size == 0 ||
this.nodes.Count == 0)
{
return;
}
this.nodes = Args.Instance.Node.FastForward.Count > 0 ? Args.Instance.Node.FastForward : this.nodes;
this.handle_service = ScheduledExecutorService.Scheduled(() =>
{
try
{
if (Manager.Instance.DBManager.Witness.Get(this.witness_address) != null &&
Manager.Instance.BackupManager.Status == BackupManager.BackupStatus.MASTER &&
!WitnessService.IsNeedSyncCheck)
{
Connect();
}
else
{
Disconnect();
}
}
catch (System.Exception e)
{
Logger.Info("Execute failed." + e.Message);
}
}, 0, 60 * 1000);
}
public void Close()
{
this.send_message_flag = false;
if (this.executor_handler != null && !this.executor_handler.IsCanceled)
{
this.executor_handler.Cancel();
this.executor_handler = null;
}
if (this.thread_send_message != null)
{
try
{
this.thread_send_message.Join(20);
this.thread_send_message = null;
}
catch
{
Logger.Warning(
string.Format("Join send thread failed, peer {0}", this.context.Channel.RemoteAddress));
}
}
}
public void ChannelActivated()
{
if (this.is_inited)
{
return;
}
this.is_inited = true;
try
{
IPAddress address = Dns.GetHostAddresses(Dns.GetHostName())
.FirstOrDefault(ip => ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork);
this.local_ip = address.ToString();
}
catch
{
Logger.Warning("Get local ip failed.");
}
foreach (String member in Args.Instance.Node.Backup.Members)
{
if (!this.local_ip.Equals(member))
{
members.Add(member);
}
}
Logger.Info(
string.Format("Backup localIp:{0}, members: size= {1}, {2}",
this.local_ip,
members.Count,
members));
this.status = BackupStatus.INIT;
this.last_keep_alive_time = Helper.CurrentTimeMillis();
this.service_handler = ScheduledExecutorService.Scheduled(() =>
{
try
{
if (this.status != BackupStatus.MASTER &&
Helper.CurrentTimeMillis() - this.last_keep_alive_time > this.keep_alive_timeout)
{
if (this.status == BackupStatus.SLAVER)
{
this.status = BackupStatus.INIT;
this.last_keep_alive_time = Helper.CurrentTimeMillis();
}
else
{
this.status = BackupStatus.MASTER;
}
}
if (this.status == BackupStatus.SLAVER)
{
return;
}
foreach (string member in this.members)
{
this.message_handler.Accept(
new UdpEvent(new KeepAliveMessage(this.status.Equals(BackupStatus.MASTER), priority),
new IPEndPoint(IPAddress.Parse(member), port)));
}
}
catch (System.Exception e)
{
Logger.Error("Exception in send keep alive message : " + e.Message);
}
}, 1000, 1000);
}
