protected virtual void ServicePortConnState(ConnState remoteEndHasBeenClosedState)
{
if (BaseState.IsConnected && (dataSP == null || !dataSP.Connected))
{
DisposeDataSocket(false);
SetBaseState(ConnState.ConnectionFailed, "Socket is no longer connected", true);
}
if (BaseState.IsConnected && (lastReadResult == ActionResultEnum.ReadRemoteEndHasBeenClosed))
{
try
{
if (dataSP != null)
{
DisposeDataSocket();
}
SetBaseState(remoteEndHasBeenClosedState, "Socket remote end has been closed", true);
}
catch (System.Exception ex)
{
SetBaseState(ConnState.ConnectionFailed, Fcns.CheckedFormat("Unable to close data socket while handling remote end closed: {0}", ex), true);
}
}
}
bool ProcessLine(string line)
{
switch (state)
{
case ConnState.UserName:
Character = CharData.Load(line, this);
Character.Name = NormalizeName(line);
state = ConnState.Pass;
break;
case ConnState.Pass:
if (!Character.Authenticate(line))
{
SendToCharacter("Invaild password.");
Disconnect();
break;
}
state = ConnState.Interp;
break;
case ConnState.Interp:
Interp(line);
break;
}
return(true);
}
public AlbumContext()
{
state = ConnState.Disconnected;
// jserv = Preferences.jserv;
// Assert.IsNotNull(jserv);
}
public void antChannel_channelResponse_DataFetch(ANT_Response response)
{
if (curStatus == ConnState.Connected)
{
//If the channel closes we need to know
if (response.responseID == (byte)ANT_ReferenceLibrary.ANTMessageID.RESPONSE_EVENT_0x40 &&
response.messageContents[1] == (byte)ANT_ReferenceLibrary.ANTMessageID.EVENT_0x01)
{
if (response.messageContents[2] == (byte)ANT_ReferenceLibrary.ANTEventID.EVENT_RX_FAIL_GO_TO_SEARCH_0x08)
{
dataSource.isInitialized = false;
curStatus = ConnState.DrpdToSrch;
}
else if (response.messageContents[2] == (byte)ANT_ReferenceLibrary.ANTEventID.EVENT_CHANNEL_CLOSED_0x07)
{
curStatus = ConnState.Closed; //TODO: qc Ensure search channel is cycling, or we will never get this back
}
}
}
else if (curStatus == ConnState.DrpdToSrch) //If we are in search and see a new broadcast
{
if (response.responseID == (byte)ANT_Managed_Library.ANT_ReferenceLibrary.ANTMessageID.BROADCAST_DATA_0x4E)
{
curStatus = ConnState.Connected;
}
}
dataSource.handleChannelResponse(response);
}
public void OnServerConnectedCallback()
{
Debug.Log("server connected");
conn_state = ConnState.CONNECTED;
lock (conn_status)
{
conn_status = "connected";
}
}
public void OnErrorCallbackHandler(int err)
{
lock (conn_status)
{
conn_status = string.Format("error: {0}", err);
Debug.Log(conn_status);
}
conn_state = ConnState.ERROR;
}
public void Connection()
{
ConnState state = (ConnState)Settings.Default.Context["conn"];
if (ConnState.ConnFail == state)
{
trayIcon.Icon = Resources.SysguardOnline;
Settings.Default.Context.Remove("conn");
Settings.Default.Context.Add("conn", ConnState.ConnSuccess);
}
}
/// <summary>
/// Updates the official connection status
/// </summary>
/// <param name="status"></param>
private void SetStatus(ConnState status)
{
if (this._status != status)
{
this._status = status;
//notify the event's subscribers
var handler = this._options.StateChangedEventHandler;
if (handler != null)
{
this._stateChangedEventArgs.State = this._status;
handler(this._stateChangedEventArgs);
}
}
}
private void setPeerState(Int64 peerId, ConnState state)
{
var prevState = GetPeerState(peerId);
if (state == ConnState.Idle)
{
connState.Remove(peerId);
}
else
{
connState[peerId] = state;
}
trace(string.Format("{0}-main {1} to {2}", peerId, prevState, state));
}
public void ConnectToServer(string strServer, int port)
{
if (conn_state == ConnState.CONNECTING || conn_state == ConnState.CONNECTED)
{
return;
}
network_comm.ConnectServer(strServer, port);
conn_state = ConnState.CONNECTING;
lock (conn_status)
{
conn_status = "connecting";
}
}
private void ProcessConnectInit()
{
this._status = ConnState.CONNECTING;
_serverInfo = ProcessExpectedInfo();
SendConnect();
// .NET vs go design difference here:
// Starting the ping timer earlier allows us
// to assign, and thus, dispose of it if the connection
// is disposed before the socket watchers are running.
// Otherwise, the connection is referenced by an orphaned
// ping timer which can create a memory leak.
//TODO:Implement timer
//StartPingTimer();
LaunchReaderLoop();
}
protected async Task <bool> UpdateRefreshStatus(bool b)
{
TokenSource.Token.ThrowIfCancellationRequested();
this.HasRefreshRequest = false;
if (b == true)
{
this.ConnectionState = ConnState.CONNECTED;
this.IsConnected = true;
}
else
{
this.ConnectionState = ConnState.ERROR;
this.IsConnected = false;
}
this.IsActive = false;
return(b);
}
private void SendConnect()
{
WriteString(connectProto());
WriteString(IC.pingProto);
_bw.Flush();
StreamReader sr = new StreamReader(_br);
string result = sr.ReadLine();
// If opts.verbose is set, handle +OK.
if (_options.Verbose == true && IC.okProtoNoCRLF.Equals(result))
{
result = sr.ReadLine();
}
if (IC.pongProtoNoCRLF.Equals(result))
{
_status = ConnState.CONNECTED;
return;
}
else
{
if (result == null)
{
throw new FastNATSConnectionException("Connect read protocol error");
}
else if (result.StartsWith(IC._ERR_OP_))
{
throw new FastNATSConnectionException(
result.Substring(IC._ERR_OP_.Length));
}
else
{
throw new FastNATSException("Error from sendConnect(): " + result);
}
}
}
protected virtual async Task DoPeriodicWorkAsync(TimeSpan dueTime,
TimeSpan interval,
CancellationToken token)
{
// Initial wait time before we begin the periodic loop.
if (dueTime > TimeSpan.Zero)
{
await Task.Delay(dueTime, token);
}
// Repeat this loop until cancelled.
while (!token.IsCancellationRequested)
{
// Wait to repeat again.
if (interval > TimeSpan.Zero)
{
this.HasRefreshRequest = true;
this.ConnectionState = ConnState.CONNECTING;
this.IsActive = true;
TokenSource.Token.ThrowIfCancellationRequested();
// run the Action that is meant to fire when we refresh, then update the Connector Properties, then wait
try
{
bool b = await ConnectionAction();
bool b2 = await UpdateRefreshStatus(b);
await Task.Delay(dueTime, token);
}
catch (Exception ex)
{
var e = ex;
throw;
}
}
}
}
public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var behavior = (parameter != null) ? ((parameter is PartBaseStateDenyReasonSetConverterBehavior) ? (PartBaseStateDenyReasonSetConverterBehavior)parameter : ValueContainer.CreateFromObject(parameter).GetValue <PartBaseStateDenyReasonSetConverterBehavior>(rethrow: false)) : default(PartBaseStateDenyReasonSetConverterBehavior);
IBaseState baseState = (value as IBaseState).MapDefaultTo(BaseState.None);
UseState useState = baseState.UseState;
ConnState connState = baseState.ConnState;
bool useStateIsBusy = (useState == UseState.OnlineBusy || useState == UseState.AttemptOnline);
bool connStateIsBusy = (connState == ConnState.Connecting);
bool connStateIsApplicable = (connState != ConnState.NotApplicable && connState != ConnState.Undefined);
BaseState.ToStringSelect toStringSelect = BaseState.ToStringSelect.UseStateNoPrefix | BaseState.ToStringSelect.ConnState | ((useState == UseState.OnlineBusy) ? BaseState.ToStringSelect.ActionName : BaseState.ToStringSelect.Reason);
switch (behavior)
{
case PartBaseStateDenyReasonSetConverterBehavior.IsFullyOnlineAndIdle:
if (useStateIsBusy)
{
return("Part '{0}' is not idle: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
else if (!useState.IsOnline(acceptAttemptOnline: false, acceptUninitialized: false, acceptOnlineFailure: false, acceptAttemptOnlineFailed: false))
{
return("Part '{0}' is not online: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
else if (!connState.IsConnected() && connStateIsApplicable)
{
return("Part '{0}' is not connected: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
break;
case PartBaseStateDenyReasonSetConverterBehavior.IsOnlineAndIdle:
if (useStateIsBusy)
{
return("Part '{0}' is not idle: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
else if (!useState.IsOnline(acceptAttemptOnline: false, acceptUninitialized: true, acceptOnlineFailure: true, acceptAttemptOnlineFailed: false))
{
return("Part '{0}' is not online: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
else if (!connState.IsConnected() && connStateIsApplicable)
{
return("Part '{0}' is not connected: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
break;
case PartBaseStateDenyReasonSetConverterBehavior.IsOnline:
if (!useState.IsOnline(acceptAttemptOnline: true, acceptUninitialized: true, acceptOnlineFailure: true, acceptAttemptOnlineFailed: false))
{
return("Part '{0}' is not online: {1}".CheckedFormat(baseState.PartID, baseState.ToString(toStringSelect)));
}
break;
case PartBaseStateDenyReasonSetConverterBehavior.IsNotBusy:
if (useStateIsBusy)
{
return("Part '{0}' is not idle: {1}".CheckedFormat(baseState.PartID, baseState.ToString(BaseState.ToStringSelect.AllForPart)));
}
break;
default:
return("Invalid requested conversion beahvior [{0}]".CheckedFormat(behavior));
}
return(EmptyArrayFactory <string> .Instance);
}
public AlbumContext State(ConnState state)
{
this.state = state;
return(this);
}
public OnDisconnectedHandlerArgs(ConnState state)
{
State = state;
}
// caller must lock.
private void sendConnect()
{
try
{
writeString(connectProto());
bw.Write(PING_P_BYTES, 0, PING_P_BYTES_LEN);
bw.Flush();
}
catch (Exception ex)
{
if (lastEx == null)
throw new NATSException("Error sending connect protocol message", ex);
}
string result = null;
try
{
StreamReader sr = new StreamReader(br);
result = sr.ReadLine();
// If opts.verbose is set, handle +OK.
if (opts.Verbose == true && IC.okProtoNoCRLF.Equals(result))
{
result = sr.ReadLine();
}
// Do not close or dispose the stream reader;
// we need the underlying BufferedStream.
}
catch (Exception ex)
{
throw new NATSConnectionException("Connect read error", ex);
}
if (IC.pongProtoNoCRLF.Equals(result))
{
status = ConnState.CONNECTED;
return;
}
else
{
if (result == null)
{
throw new NATSConnectionException("Connect read protocol error");
}
else if (result.StartsWith(IC._ERR_OP_))
{
throw new NATSConnectionException(
result.Substring(IC._ERR_OP_.Length));
}
else
{
throw new NATSException("Error from sendConnect(): " + result);
}
}
}
private void processDisconnect()
{
status = ConnState.DISCONNECTED;
if (lastEx == null)
return;
}
public override void Release()
{
base.Release();
State = ConnState.None;
}
// Low level close call that will do correct cleanup and set
// desired status. Also controls whether user defined callbacks
// will be triggered. The lock should not be held entering this
// function. This function will handle the locking manually.
private void close(ConnState closeState, bool invokeDelegates)
{
lock (mu)
{
if (isClosed())
{
status = closeState;
return;
}
status = ConnState.CLOSED;
// Kick the routines so they fall out.
// fch will be closed on finalizer
kickFlusher();
}
lock (mu)
{
// Clear any queued pongs, e.g. pending flush calls.
clearPendingFlushCalls();
stopPingTimer();
// Close sync subscriber channels and release any
// pending NextMsg() calls.
foreach (Subscription s in subs.Values)
{
s.close();
}
subs.Clear();
// perform appropriate callback is needed for a
// disconnect;
if (invokeDelegates && conn.isSetup())
{
scheduleConnEvent(Opts.DisconnectedEventHandler);
}
// Go ahead and make sure we have flushed the outbound buffer.
status = ConnState.CLOSED;
if (conn.isSetup())
{
if (bw != null)
{
try
{
bw.Flush();
}
catch (Exception) { /* ignore */ }
}
conn.teardown();
}
if (invokeDelegates)
{
scheduleConnEvent(opts.ClosedEventHandler);
}
status = closeState;
}
}
// Try to reconnect using the option parameters.
// This function assumes we are allowed to reconnect.
//
// NOTE: locks are manually acquired/released to parallel the NATS
// go client
private void doReconnect()
{
// We want to make sure we have the other watchers shutdown properly
// here before we proceed past this point
waitForExits();
// FIXME(dlc) - We have an issue here if we have
// outstanding flush points (pongs) and they were not
// sent out, but are still in the pipe.
// Hold manually release where needed below.
Monitor.Enter(mu);
// clear any queued pongs, e..g. pending flush calls.
clearPendingFlushCalls();
pending = new MemoryStream();
bw = new BufferedStream(pending);
// Clear any errors.
lastEx = null;
scheduleConnEvent(Opts.DisconnectedEventHandler);
// TODO: Look at using a predicate delegate in the server pool to
// pass a method to, but locking is complex and would need to be
// reworked.
Srv cur;
while ((cur = srvPool.SelectNextServer(Opts.MaxReconnect)) != null)
{
url = cur.url;
lastEx = null;
// Sleep appropriate amount of time before the
// connection attempt if connecting to same server
// we just got disconnected from.
double elapsedMillis = cur.TimeSinceLastAttempt.TotalMilliseconds;
double sleepTime = 0;
if (elapsedMillis < Opts.ReconnectWait)
{
sleepTime = Opts.ReconnectWait - elapsedMillis;
}
if (sleepTime <= 0)
{
// Release to allow parallel processes to close,
// unsub, etc. Note: Use the sleep API - yield is
// heavy handed here.
sleepTime = 50;
}
Monitor.Exit(mu);
sleep((int)sleepTime);
Monitor.Enter(mu);
if (isClosed())
break;
cur.reconnects++;
try
{
// try to create a new connection
createConn(cur);
}
catch (Exception)
{
// not yet connected, retry and hold
// the lock.
lastEx = null;
continue;
}
// process our connect logic
try
{
processConnectInit();
}
catch (Exception e)
{
lastEx = e;
status = ConnState.RECONNECTING;
continue;
}
try
{
// Send existing subscription state
resendSubscriptions();
// Now send off and clear pending buffer
flushReconnectPendingItems();
}
catch (Exception)
{
status = ConnState.RECONNECTING;
continue;
}
// We are reconnected.
stats.reconnects++;
cur.didConnect = true;
cur.reconnects = 0;
srvPool.CurrentServer = cur;
status = ConnState.CONNECTED;
scheduleConnEvent(Opts.ReconnectedEventHandler);
// Release lock here, we will return below
Monitor.Exit(mu);
// Make sure to flush everything
// We have a corner case where the server we just
// connected to has failed as well - let the reader
// thread detect this and spawn another reconnect
// thread to simplify locking.
try
{
Flush();
}
catch (Exception) { }
return;
}
// Call into close.. we have no more servers left..
if (lastEx == null)
lastEx = new NATSNoServersException("Unable to reconnect");
Monitor.Exit(mu);
Close();
}
public OnClosedHandlerArgs(ConnState connState)
{
ConnState = connState;
}
private static bool OpenConnection(common.wsConnectionInfo wsInfo)
{
if (_myClient != null) _myClient.Abort();
//Basic binding
_myClient = new ServiceReference1.StockServiceClient("basicEndpoint");
System.ServiceModel.BasicHttpBinding binding = (_myClient.Endpoint.Binding as System.ServiceModel.BasicHttpBinding);
//Secure binding
//_myClient = new ServiceReference1.StockServiceClient("wsEndpoint");
//System.ServiceModel.WSHttpBinding binding = (_myClient.Endpoint.Binding as System.ServiceModel.WSHttpBinding);
binding.OpenTimeout = TimeSpan.FromSeconds(wsInfo.timeoutInSecs);
binding.CloseTimeout = TimeSpan.FromSeconds(wsInfo.timeoutInSecs);
binding.SendTimeout = TimeSpan.FromSeconds(wsInfo.timeoutInSecs);
binding.MaxBufferSize = constMaxReceivedMessageSize; //Basic HTTP require MaxBufferSize=MaxReceivedMessageSize
binding.MaxReceivedMessageSize = constMaxReceivedMessageSize;
binding.ReaderQuotas.MaxStringContentLength = constMaxStringContentLength;
binding.ReaderQuotas.MaxBytesPerRead = constMaxBytesPerRead;
//Proxy must before setting Endpoint ?
binding.UseDefaultWebProxy = false;
if (wsInfo.useProxy)
{
if (wsInfo.useDefaultProxy) binding.UseDefaultWebProxy = true;
else
{
if (wsInfo.proxyAddress.Trim() != "" && wsInfo.proxyPort.Trim() != "")
{
binding.ProxyAddress = new Uri(wsInfo.proxyAddress.Trim() + ":" + wsInfo.proxyPort.Trim());
binding.BypassProxyOnLocal = true;
binding.UseDefaultWebProxy = false;
}
}
}
//Endpoint settings
_myClient.Endpoint.Address = new System.ServiceModel.EndpointAddress(wsInfo.URI);
if (wsInfo.isWindowAuthentication)
{
_myClient.ClientCredentials.Windows.ClientCredential.UserName = wsInfo.account;
_myClient.ClientCredentials.Windows.ClientCredential.Password = wsInfo.password;
}
else
{
_myClient.ClientCredentials.UserName.UserName = wsInfo.account;
_myClient.ClientCredentials.UserName.Password = wsInfo.password;
}
ServicePointManager.Expect100Continue = false; //loi proxy http://chrishaas.wordpress.com/2009/11/02/fixing-the-remote-server-returned-an-error-417-expectation-failed/
ServicePointManager.UseNagleAlgorithm = true;
ServicePointManager.CheckCertificateRevocationList = true;
ServicePointManager.DefaultConnectionLimit = ServicePointManager.DefaultPersistentConnectionLimit;
//For testing
if (Settings.sysDebugMode)
{
_myClient.Endpoint.Address = new System.ServiceModel.EndpointAddress("http://localhost:8731/wsServices/DataLibs");
_myClient.ClientCredentials.Windows.ClientCredential.UserName = "";
_myClient.ClientCredentials.Windows.ClientCredential.Password = "";
}
//End testing
_myClient.Open();
myConnState = ConnState.Connected;
return true;
}
// This will process a disconnect when reconnect is allowed.
// The lock should not be held on entering this function.
private void processReconnect()
{
lock (mu)
{
// If we are already in the proper state, just return.
if (isReconnecting())
return;
status = ConnState.RECONNECTING;
if (ptmr != null)
{
ptmr.Stop();
}
if (conn.isSetup())
{
conn.teardown();
}
new Task(() => { doReconnect(); }).Start();
}
}
// caller must lock.
private void sendConnect()
{
try
{
writeString(connectProto());
bw.Write(pingProtoBytes, 0, pingProtoBytesLen);
bw.Flush();
}
catch (Exception ex)
{
if (lastEx == null)
throw new NATSException("Error sending connect protocol message", ex);
}
string result = null;
try
{
StreamReader sr = new StreamReader(br);
result = sr.ReadLine();
// Do not close or dispose the stream reader;
// we need the underlying BufferedStream.
}
catch (Exception ex)
{
throw new NATSConnectionException("Connect read error", ex);
}
if (IC.pongProtoNoCRLF.Equals(result))
{
status = ConnState.CONNECTED;
return;
}
else
{
if (result == null)
{
throw new NATSConnectionException("Connect read protocol error");
}
else if (result.StartsWith(IC._ERR_OP_))
{
throw new NATSConnectionException(
result.TrimStart(IC._ERR_OP_.ToCharArray()));
}
else if (result.StartsWith("tls:"))
{
throw new NATSSecureConnRequiredException(result);
}
else
{
throw new NATSException(result);
}
}
}
// Low level close call that will do correct cleanup and set
// desired status. Also controls whether user defined callbacks
// will be triggered. The lock should not be held entering this
// function. This function will handle the locking manually.
private void close(ConnState closeState, bool invokeDelegates)
{
ConnEventHandler disconnectedEventHandler = null;
ConnEventHandler closedEventHandler = null;
lock (mu)
{
if (isClosed())
{
status = closeState;
return;
}
status = ConnState.CLOSED;
}
// Kick the routines so they fall out.
// fch will be closed on finalizer
kickFlusher();
// Clear any queued pongs, e.g. pending flush calls.
clearPendingFlushCalls();
lock (mu)
{
if (ptmr != null)
ptmr.Stop();
// Close sync subscriber channels and release any
// pending NextMsg() calls.
foreach (Subscription s in subs.Values)
{
s.closeChannel();
}
subs.Clear();
// perform appropriate callback is needed for a
// disconnect;
if (invokeDelegates && conn.isSetup() &&
Opts.DisconnectedEventHandler != null)
{
// TODO: Mirror go, but this can result in a callback
// being invoked out of order
disconnectedEventHandler = Opts.DisconnectedEventHandler;
new Task(() => { disconnectedEventHandler(this, new ConnEventArgs(this)); }).Start();
}
// Go ahead and make sure we have flushed the outbound buffer.
status = ConnState.CLOSED;
if (conn.isSetup())
{
if (bw != null)
bw.Flush();
conn.teardown();
}
closedEventHandler = opts.ClosedEventHandler;
}
if (invokeDelegates && closedEventHandler != null)
{
try
{
closedEventHandler(this, new ConnEventArgs(this));
}
catch (Exception) { }
}
lock (mu)
{
status = closeState;
}
}
// This will process a disconnect when reconnect is allowed.
// The lock should not be held on entering this function.
private void processReconnect()
{
lock (mu)
{
// If we are already in the proper state, just return.
if (isReconnecting())
return;
status = ConnState.RECONNECTING;
stopPingTimer();
if (conn.isSetup())
{
conn.teardown();
}
Thread t = new Thread(() =>
{
doReconnect();
});
t.Name = generateThreadName("Reconnect");
t.Start();
}
}
// Process a connected connection and initialize properly.
// Caller must lock.
private void processConnectInit()
{
this.status = ConnState.CONNECTING;
processExpectedInfo();
sendConnect();
new Task(() => { spinUpSocketWatchers(); }).Start();
}
// Process a connected connection and initialize properly.
// Caller must lock.
private void processConnectInit()
{
this.status = ConnState.CONNECTING;
processExpectedInfo();
sendConnect();
// .NET vs go design difference here:
// Starting the ping timer earlier allows us
// to assign, and thus, dispose of it if the connection
// is disposed before the socket watchers are running.
// Otherwise, the connection is referenced by an orphaned
// ping timer which can create a memory leak.
startPingTimer();
new Task(() => { spinUpSocketWatchers(); }).Start();
}
private void processDisconnect()
{
status = ConnState.DISCONNECTED;
if (lastEx == null)
return;
if (info.SslRequired)
lastEx = new NATSSecureConnRequiredException();
else
lastEx = new NATSConnectionClosedException();
}
public void Close()
{
_status = ConnState.CLOSED;
conn.teardown();
}
// Try to reconnect using the option parameters.
// This function assumes we are allowed to reconnect.
private void doReconnect()
{
// We want to make sure we have the other watchers shutdown properly
// here before we proceed past this point
waitForExits();
// FIXME(dlc) - We have an issue here if we have
// outstanding flush points (pongs) and they were not
// sent out, but are still in the pipe.
// Hold the lock manually and release where needed below.
Monitor.Enter(mu);
pending = new MemoryStream();
bw = new BufferedStream(pending);
// Clear any errors.
lastEx = null;
if (Opts.DisconnectedEventHandler != null)
{
Monitor.Exit(mu);
try
{
Opts.DisconnectedEventHandler(this,
new ConnEventArgs(this));
}
catch (Exception) { }
Monitor.Enter(mu);
}
Srv s;
while ((s = selectNextServer()) != null)
{
if (lastEx != null)
break;
// Sleep appropriate amount of time before the
// connection attempt if connecting to same server
// we just got disconnected from.
double elapsedMillis = s.TimeSinceLastAttempt.TotalMilliseconds;
if (elapsedMillis < Opts.ReconnectWait)
{
double sleepTime = Opts.ReconnectWait - elapsedMillis;
Monitor.Exit(mu);
Thread.Sleep((int)sleepTime);
Monitor.Enter(mu);
}
else
{
// Yield so other things like unsubscribes can
// proceed.
Monitor.Exit(mu);
Thread.Sleep((int)50);
Monitor.Enter(mu);
}
if (isClosed())
break;
s.reconnects++;
try
{
// try to create a new connection
createConn();
}
catch (Exception)
{
// not yet connected, retry and hold
// the lock.
continue;
}
// We are reconnected.
stats.reconnects++;
// Clear out server stats for the server we connected to..
s.didConnect = true;
// process our connect logic
try
{
processConnectInit();
}
catch (Exception e)
{
lastEx = e;
status = ConnState.RECONNECTING;
continue;
}
s.reconnects = 0;
// Process CreateConnection logic
try
{
// Send existing subscription state
resendSubscriptions();
// Now send off and clear pending buffer
flushReconnectPendingItems();
// we are connected.
status = ConnState.CONNECTED;
}
catch (Exception)
{
status = ConnState.RECONNECTING;
continue;
}
// get the event handler under the lock
ConnEventHandler reconnectedEh = Opts.ReconnectedEventHandler;
// Release the lock here, we will return below
Monitor.Exit(mu);
// flush everything
Flush();
if (reconnectedEh != null)
{
try
{
reconnectedEh(this, new ConnEventArgs(this));
}
catch (Exception) { }
}
return;
}
// we have no more servers left to try.
if (lastEx == null)
lastEx = new NATSNoServersException("Unable to reconnect");
Monitor.Exit(mu);
Close();
}
public void setConnStatus(ConnState newStatus)
{
curStatus = newStatus;
}
protected virtual void ServicePortConnState(ConnState remoteEndHasBeenClosedState)
{
if (BaseState.IsConnected && (dataSP == null || !dataSP.Connected))
{
DisposeDataSocket(false);
SetBaseState(ConnState.ConnectionFailed, "Socket is no longer connected", true);
}
if (BaseState.IsConnected && (lastReadResult == ActionResultEnum.ReadRemoteEndHasBeenClosed))
{
try
{
if (dataSP != null)
DisposeDataSocket();
SetBaseState(remoteEndHasBeenClosedState, "Socket remote end has been closed", true);
}
catch (System.Exception ex)
{
SetBaseState(ConnState.ConnectionFailed, Fcns.CheckedFormat("Unable to close data socket while handling remote end closed: {0}", ex), true);
}
}
}
/// <summary>
/// Реагируем на изменение состояния подключения.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChangeState(object sender, StateChangeEventArgs e)
{
Status = Status ? false : true;
ConnState?.Invoke(this, new BoolEventArgs(Status));
}
