//验证Transaction
internal void ValidateTransaction(DefaultMessageManager manager, ITransaction parent, ITransaction transaction)
{
if (transaction.Standalone)
{
IList <IMessage> children = transaction.Children;
int len = children.Count;
for (int i = 0; i < len; i++)
{
IMessage message = children[i];
if (message is ITransaction)
{
ValidateTransaction(manager, transaction, message as ITransaction);
}
}
if (!transaction.IsCompleted() && transaction is DefaultTransaction)
{
MarkAsNotCompleted(transaction as DefaultTransaction);
}
else if (!transaction.IsCompleted())
{
if (transaction is DefaultForkedTransaction)
{
LinkAsRunAway(manager, transaction as DefaultForkedTransaction);
}
else if (transaction is DefaultTaggedTransaction)
{
MarkAsRunAway(parent, transaction as DefaultTaggedTransaction);
}
}
}
}
private void MigrateMessage(DefaultMessageManager manager, Stack <ITransaction> stack, ITransaction source, ITransaction target, int level)
{
ITransaction current = level < stack.Count ? stack.ToList()[level] : null;
bool shouldKeep = false;
foreach (IMessage child in source.Children)
{
if (child != current)
{
target.AddChild(child);
}
else
{
DefaultTransaction cloned = new DefaultTransaction(current.Type, current.Name, manager);
cloned.Timestamp = current.Timestamp;
cloned.DurationInMicros = current.DurationInMicros;
cloned.AddData(current.Data);
cloned.Status = PureCatConstants.SUCCESS;
target.AddChild(cloned);
MigrateMessage(manager, stack, current, cloned, level + 1);
shouldKeep = true;
}
}
source.Children.Clear();
if (shouldKeep)
{
source.AddChild(current);
}
}
///<summary>
/// return true means the transaction has been flushed.
///</summary>
///<param name="manager"> </param>
///<param name="transaction"> </param>
///<returns> true if message is flushed, false otherwise </returns>
public bool End(DefaultMessageManager manager, ITransaction transaction)
{
if (_mStack.Count != 0)
{
ITransaction current = _mStack.Pop();
if (transaction == current)
{
ValidateTransaction(manager, _mStack.Count == 0 ? null : _mStack.Peek(), current);
}
else
{
while (transaction != current && _mStack.Count != 0)
{
ValidateTransaction(manager, _mStack.Peek(), current);
current = _mStack.Pop();
}
}
if (_mStack.Count == 0)
{
IMessageTree tree = _mTree.Copy();
_mTree.MessageId = null;
_mTree.Message = null;
manager.Flush(tree);
return(true);
}
}
return(false);
}
private void AddTransactionChild(DefaultMessageManager manager, IMessage message, ITransaction transaction)
{
long treePeriod = TrimToHour(_mTree.Message.Timestamp);
long messagePeriod = TrimToHour(message.Timestamp - 10 * 1000L); // 10 seconds extra time allowed
if (treePeriod < messagePeriod)
{
TruncateAndFlush(manager, message.Timestamp);
}
transaction.AddChild(message);
}
internal void LinkAsRunAway(DefaultMessageManager manager, IForkedTransaction transaction)
{
IEvent @event = new DefaultEvent(PureCatConstants.TYPE_REMOTE_CALL, "RunAway");
@event.AddData(transaction.ForkedMessageId, $"{transaction.Type}:{transaction.Name}");
@event.Timestamp = transaction.Timestamp;
@event.Status = PureCatConstants.SUCCESS;
@event.Complete();
transaction.Standalone = true;
manager.Add(@event);
}
private void TruncateAndFlush(DefaultMessageManager manager, long timestamp)
{
IMessageTree tree = _mTree;
Stack <ITransaction> stack = _mStack;
IMessage message = tree.Message;
if (message is DefaultTransaction)
{
if (tree.MessageId == null)
{
tree.MessageId = manager.NextMessageId();
}
string rootId = tree.RootMessageId;
string childId = manager.NextMessageId();
DefaultTransaction source = message as DefaultTransaction;
DefaultTransaction target = new DefaultTransaction(source.Type, source.Name, manager);
target.Timestamp = source.Timestamp;
target.DurationInMicros = source.DurationInMicros;
target.AddData(source.Data);
target.Status = PureCatConstants.SUCCESS;
MigrateMessage(manager, stack, source, target, 1);
var list = stack.ToList();
for (int i = list.Count - 1; i >= 0; i--)
{
DefaultTransaction tran = list[i] as DefaultTransaction;
tran.Timestamp = timestamp;
tran.DurationInMicros = -1;
}
IEvent next = new DefaultEvent(PureCatConstants.TYPE_REMOTE_CALL, "Next");
next.AddData(childId);
next.Status = PureCatConstants.SUCCESS;
target.AddChild(next);
IMessageTree t = tree.Copy();
t.Message = target;
_mTree.MessageId = childId;
_mTree.ParentMessageId = tree.MessageId;
_mTree.RootMessageId = rootId ?? tree.MessageId;
manager.Flush(t);
}
}
/// <summary>
/// 添加Event和Heartbeat
/// </summary>
/// <param name="manager"> </param>
/// <param name="message"> </param>
public void Add(DefaultMessageManager manager, IMessage message)
{
if ((_mStack.Count == 0))
{
var tree = _mTree.Copy();
tree.MessageId = manager.NextMessageId();
tree.Message = message;
manager.Flush(tree);
}
else
{
var entry = _mStack.Peek();
entry.AddChild(message);
}
}
public Context(DefaultMessageManager manager, string domain, string hostName, string ipAddress)
{
_manager = manager;
_mTree = new DefaultMessageTree();
_mStack = new Stack <ITransaction>();
var thread = Thread.CurrentThread;
var groupName = Thread.GetDomain().FriendlyName;
_mTree.ThreadGroupName = groupName;
_mTree.ThreadId = thread.ManagedThreadId.ToString(CultureInfo.InvariantCulture);
_mTree.ThreadName = thread.Name;
_mTree.Domain = domain;
_mTree.HostName = hostName;
_mTree.IpAddress = ipAddress;
}
/// <summary>
/// 添加transaction
/// </summary>
/// <param name="manager"> </param>
/// <param name="transaction"> </param>
public void Start(DefaultMessageManager manager, ITransaction transaction, bool forked)
{
if (_mStack.Count != 0)
{
if (!(transaction is DefaultForkedTransaction))
{
ITransaction parent = _mStack.Peek();
AddTransactionChild(manager, transaction, parent);
}
}
else
{
_mTree.Message = transaction;
}
if (!forked)
{
_mStack.Push(transaction);
}
}
///<summary>
/// return true means the transaction has been flushed.
///</summary>
///<param name="manager"> </param>
///<param name="transaction"> </param>
///<returns> true if message is flushed, false otherwise </returns>
public bool End(DefaultMessageManager manager, ITransaction transaction)
{
if (_mStack.Count != 0)
{
ITransaction current = _mStack.Pop();
if (transaction == current)
{
ValidateTransaction(manager, _mStack.Count == 0 ? null : _mStack.Peek(), current);
}
else
{
while (transaction != current && _mStack.Count != 0)
{
ValidateTransaction(manager, _mStack.Peek(), current);
current = _mStack.Pop();
}
}
if (_mStack.Count == 0)
{
IMessageTree tree = _mTree.Copy();
_mTree.MessageId = null;
_mTree.Message = null;
manager.Flush(tree);
return true;
}
}
return false;
}
private void MigrateMessage(DefaultMessageManager manager, Stack<ITransaction> stack, ITransaction source, ITransaction target, int level)
{
ITransaction current = level < stack.Count ? stack.ToList()[level] : null;
bool shouldKeep = false;
foreach (IMessage child in source.Children)
{
if (child != current)
{
target.AddChild(child);
}
else
{
DefaultTransaction cloned = new DefaultTransaction(current.Type, current.Name, manager);
cloned.Timestamp = current.Timestamp;
cloned.DurationInMicros = current.DurationInMicros;
cloned.AddData(current.Data);
cloned.Status = PureCatConstants.SUCCESS;
target.AddChild(cloned);
MigrateMessage(manager, stack, current, cloned, level + 1);
shouldKeep = true;
}
}
source.Children.Clear();
if (shouldKeep)
{
source.AddChild(current);
}
}
private void TruncateAndFlush(DefaultMessageManager manager, long timestamp)
{
IMessageTree tree = _mTree;
Stack<ITransaction> stack = _mStack;
IMessage message = tree.Message;
if (message is DefaultTransaction)
{
if (tree.MessageId == null)
{
tree.MessageId = manager.NextMessageId();
}
string rootId = tree.RootMessageId;
string childId = manager.NextMessageId();
DefaultTransaction source = message as DefaultTransaction;
DefaultTransaction target = new DefaultTransaction(source.Type, source.Name, manager);
target.Timestamp = source.Timestamp;
target.DurationInMicros = source.DurationInMicros;
target.AddData(source.Data);
target.Status = PureCatConstants.SUCCESS;
MigrateMessage(manager, stack, source, target, 1);
var list = stack.ToList();
for (int i = list.Count - 1; i >= 0; i--)
{
DefaultTransaction tran = list[i] as DefaultTransaction;
tran.Timestamp = timestamp;
tran.DurationInMicros = -1;
}
IEvent next = new DefaultEvent(PureCatConstants.TYPE_REMOTE_CALL, "Next");
next.AddData(childId);
next.Status = PureCatConstants.SUCCESS;
target.AddChild(next);
IMessageTree t = tree.Copy();
t.Message = target;
_mTree.MessageId = childId;
_mTree.ParentMessageId = tree.MessageId;
_mTree.RootMessageId = rootId ?? tree.MessageId;
manager.Flush(t);
}
}
private void AddTransactionChild(DefaultMessageManager manager, IMessage message, ITransaction transaction)
{
long treePeriod = TrimToHour(_mTree.Message.Timestamp);
long messagePeriod = TrimToHour(message.Timestamp - 10 * 1000L); // 10 seconds extra time allowed
if (treePeriod < messagePeriod)
{
TruncateAndFlush(manager, message.Timestamp);
}
transaction.AddChild(message);
}
//验证Transaction
internal void ValidateTransaction(DefaultMessageManager manager, ITransaction parent, ITransaction transaction)
{
if (transaction.Standalone)
{
IList<IMessage> children = transaction.Children;
int len = children.Count;
for (int i = 0; i < len; i++)
{
IMessage message = children[i];
if (message is ITransaction)
{
ValidateTransaction(manager, transaction, message as ITransaction);
}
}
if (!transaction.IsCompleted() && transaction is DefaultTransaction)
{
MarkAsNotCompleted(transaction as DefaultTransaction);
}
else if (!transaction.IsCompleted())
{
if (transaction is DefaultForkedTransaction)
{
LinkAsRunAway(manager, transaction as DefaultForkedTransaction);
}
else if (transaction is DefaultTaggedTransaction)
{
MarkAsRunAway(parent, transaction as DefaultTaggedTransaction);
}
}
}
}
internal void LinkAsRunAway(DefaultMessageManager manager, IForkedTransaction transaction)
{
IEvent @event = new DefaultEvent(PureCatConstants.TYPE_REMOTE_CALL, "RunAway");
@event.AddData(transaction.ForkedMessageId, $"{transaction.Type}:{transaction.Name}");
@event.Timestamp = transaction.Timestamp;
@event.Status = PureCatConstants.SUCCESS;
@event.Complete();
transaction.Standalone = true;
manager.Add(@event);
}
/// <summary>
/// 添加transaction
/// </summary>
/// <param name="manager"> </param>
/// <param name="transaction"> </param>
public void Start(DefaultMessageManager manager, ITransaction transaction, bool forked)
{
if (_mStack.Count != 0)
{
if (!(transaction is DefaultForkedTransaction))
{
ITransaction parent = _mStack.Peek();
AddTransactionChild(manager, transaction, parent);
}
}
else
{
_mTree.Message = transaction;
}
if (!forked)
{
_mStack.Push(transaction);
}
}
/// <summary>
/// 添加Event和Heartbeat
/// </summary>
/// <param name="manager"> </param>
/// <param name="message"> </param>
public void Add(DefaultMessageManager manager, IMessage message)
{
if ((_mStack.Count == 0))
{
IMessageTree tree = _mTree.Copy();
tree.MessageId = manager.NextMessageId();
tree.Message = message;
manager.Flush(tree);
}
else
{
ITransaction entry = _mStack.Peek();
entry.AddChild(message);
}
}