/// <summary>
/// Internal use
/// </summary>
public SignalRHostState ShallowCopy(bool allData = false, bool preserveState = false)
{
SignalRHostState e = new SignalRHostState();
e.StartAutoUpdating = false;
e.HostName = HostName;
e.ApplicationID = ApplicationID;
e.LastMsgId = LastMsgId;
if (preserveState)
{
e.IsLastMsgIdModified = IsLastMsgIdModified;
}
else
{
e.IsLastMsgIdModified = false;
}
e.DistinctString = GetDistinctString(true);
e.IsPersisted = IsPersisted;
if (preserveState)
{
e.IsEntityChanged = IsEntityChanged;
}
else
{
e.IsEntityChanged = false;
}
e.StartAutoUpdating = true;
return(e);
}
/// <summary>
/// Whether or not the present entity is identitical to <paramref name="other" />, in the sense that they have the same (set of) intrinsic identifiers.
/// </summary>
/// <param name="other">The entity to be compared to.</param>
/// <returns>
/// The result of comparison.
/// </returns>
public bool IsEntityTheSame(SignalRHostState other)
{
if (other == null)
{
return(false);
}
else
{
return(HostName == other.HostName && ApplicationID == other.ApplicationID);
}
}
/// <summary>
/// Update changes to the current entity compared to an input <paramref name="newdata" /> and set the entity to a proper state for updating.
/// </summary>
/// <param name="newdata">The "new" entity acting as the source of the changes, if any.</param>
/// <returns>
/// </returns>
public void UpdateChanges(SignalRHostState newdata)
{
int cnt = 0;
if (LastMsgId != newdata.LastMsgId)
{
LastMsgId = newdata.LastMsgId;
IsLastMsgIdModified = true;
cnt++;
}
IsEntityChanged = cnt > 0;
}
/// <summary>
/// Whether or not the present entity is identitical to <paramref name="other" />, in the sense that they have the same (set of) primary key(s).
/// </summary>
/// <param name="other">The entity to be compared to.</param>
/// <returns>
/// The result of comparison.
/// </returns>
public bool IsEntityIdentical(SignalRHostState other)
{
if (other == null)
{
return(false);
}
if (HostName != other.HostName)
{
return(false);
}
if (ApplicationID != other.ApplicationID)
{
return(false);
}
return(true);
}
/// <summary>
/// Merge changes inside entity <paramref name="from" /> to the entity <paramref name="to" />. Any changes in <paramref name="from" /> that is not changed in <paramref name="to" /> is updated inside <paramref name="to" />.
/// </summary>
/// <param name="from">The "old" entity acting as merging source.</param>
/// <param name="to">The "new" entity which inherits changes made in <paramref name="from" />.</param>
/// <returns>
/// </returns>
public static void MergeChanges(SignalRHostState from, SignalRHostState to)
{
if (to.IsPersisted)
{
if (from.IsLastMsgIdModified && !to.IsLastMsgIdModified)
{
to.LastMsgId = from.LastMsgId;
to.IsLastMsgIdModified = true;
}
}
else
{
to.IsPersisted = from.IsPersisted;
to.HostName = from.HostName;
to.ApplicationID = from.ApplicationID;
to.LastMsgId = from.LastMsgId;
to.IsLastMsgIdModified = from.IsLastMsgIdModified;
}
}
private static void KeepAliveThread()
{
SignalRHostStateSet set = new SignalRHostStateSet();
try
{
evt.Set();
int failCount = 0;
var cntx = Cntx;
var hsvc = new SignalRHostStateServiceProxy();
var host = hsvc.LoadEntityByNature(cntx, config.HostName, config.App.ID).SingleOrDefault();
if (host == null)
{
host = new SignalRHostState
{
HostName = config.HostName,
ApplicationID = config.App.ID,
LastMsgId = 0
};
var x = hsvc.AddOrUpdateEntities(cntx, new SignalRHostStateSet(), new SignalRHostState[] { host });
host = x.ChangedEntities[0].UpdatedItem;
}
while (true)
{
Thread.Sleep(1000 * config.HostStateUpdateIntervalInSeconds);
hsvc = new SignalRHostStateServiceProxy();
if (IsLastMessageIdChanged)
{
host = new SignalRHostState
{
IsPersisted = true,
HostName = config.HostName,
ApplicationID = config.App.ID,
LastMsgId = (long)LastMessageId,
IsLastMsgIdModified = true
};
try
{
hsvc.AddOrUpdateEntities(cntx, set, new SignalRHostState[] { host });
IsLastMessageIdChanged = false;
if (failCount > 0)
{
Current.Subscribe();
failCount = 0;
}
}
catch
{
failCount++;
}
}
else
{
try
{
bool b = Current.PollMessages(cntx, LastMessageId);
if (b || (Current.lastSent - Current.lastReceived) > TimeSpan.FromSeconds(20) || failCount > 0)
{
Current.Subscribe();
failCount = 0;
}
}
catch
{
failCount++;
}
}
if (Current.CallbackFailed)
{
try
{
Current.Subscribe();
failCount = 0;
}
catch
{
failCount++;
}
}
}
}
finally
{
LastMessageIdUpdateThread = null;
}
}
/// <summary>
/// Internal use
/// </summary>
public SignalRHostState ShallowCopy(bool allData = false, bool preserveState = false)
{
SignalRHostState e = new SignalRHostState();
e.StartAutoUpdating = false;
e.HostName = HostName;
e.ApplicationID = ApplicationID;
e.LastMsgId = LastMsgId;
if (preserveState)
e.IsLastMsgIdModified = IsLastMsgIdModified;
else
e.IsLastMsgIdModified = false;
e.DistinctString = GetDistinctString(true);
e.IsPersisted = IsPersisted;
if (preserveState)
e.IsEntityChanged = IsEntityChanged;
else
e.IsEntityChanged = false;
e.StartAutoUpdating = true;
return e;
}
/// <summary>
/// Update changes to the current entity compared to an input <paramref name="newdata" /> and set the entity to a proper state for updating.
/// </summary>
/// <param name="newdata">The "new" entity acting as the source of the changes, if any.</param>
/// <returns>
/// </returns>
public void UpdateChanges(SignalRHostState newdata)
{
int cnt = 0;
if (LastMsgId != newdata.LastMsgId)
{
LastMsgId = newdata.LastMsgId;
IsLastMsgIdModified = true;
cnt++;
}
IsEntityChanged = cnt > 0;
}
/// <summary>
/// Merge changes inside entity <paramref name="from" /> to the entity <paramref name="to" />. Any changes in <paramref name="from" /> that is not changed in <paramref name="to" /> is updated inside <paramref name="to" />.
/// </summary>
/// <param name="from">The "old" entity acting as merging source.</param>
/// <param name="to">The "new" entity which inherits changes made in <paramref name="from" />.</param>
/// <returns>
/// </returns>
public static void MergeChanges(SignalRHostState from, SignalRHostState to)
{
if (to.IsPersisted)
{
if (from.IsLastMsgIdModified && !to.IsLastMsgIdModified)
{
to.LastMsgId = from.LastMsgId;
to.IsLastMsgIdModified = true;
}
}
else
{
to.IsPersisted = from.IsPersisted;
to.HostName = from.HostName;
to.ApplicationID = from.ApplicationID;
to.LastMsgId = from.LastMsgId;
to.IsLastMsgIdModified = from.IsLastMsgIdModified;
}
}
/// <summary>
/// Whether or not the present entity is identitical to <paramref name="other" />, in the sense that they have the same (set of) intrinsic identifiers.
/// </summary>
/// <param name="other">The entity to be compared to.</param>
/// <returns>
/// The result of comparison.
/// </returns>
public bool IsEntityTheSame(SignalRHostState other)
{
if (other == null)
return false;
else
return HostName == other.HostName && ApplicationID == other.ApplicationID;
}
/// <summary>
/// Whether or not the present entity is identitical to <paramref name="other" />, in the sense that they have the same (set of) primary key(s).
/// </summary>
/// <param name="other">The entity to be compared to.</param>
/// <returns>
/// The result of comparison.
/// </returns>
public bool IsEntityIdentical(SignalRHostState other)
{
if (other == null)
return false;
if (HostName != other.HostName)
return false;
if (ApplicationID != other.ApplicationID)
return false;
return true;
}
