/// <summary>
/// Commits a transaction
/// Initialize and recover from previous failure if necessary.
/// See document for Init for details
/// Use new thread to do two phrase commit on the transaction
///
/// </summary>
/// <param name="context"></param>
/// <param name="rms"></param>
/// <returns></returns>
public static CommitedTransaction Commit(Transaction context, ResourceManagerList rms)
{
StartUp();
CommitedTransaction trans = new CommitedTransaction(context, rms);
lock (syncRoot)
{
if (!committedTransactions.ContainsKey(context))
{
committedTransactions.Add(context, trans);
}
else
{
trans = committedTransactions[context];
}
}
ThreadPool.QueueUserWorkItem(o =>
{
if (trans.State < CommitState.Committed)
{
trans.State = CommitState.Committed;
trans.StartCommit(PrepareFail, CommitFail);
}
});
return trans;
}
public void CommitRecoveryTest()
{
string log = "12345678-1234-1234-1234-123456789012\tCommitted\ttest4,\r12345678-1234-1234-1234-123456789013\tPrepared\ttest1,\r12345678-1234-1234-1234-123456789014\tNone\ttest2,\r12345678-1234-1234-1234-123456789012\tRollbacked\ttest3,";
using (StreamWriter sw = new StreamWriter(TwoPhaseCommit_Accessor.LogFileName))
{
sw.Write(log);
}
TwoPhaseCommit_Accessor.isInitialized = false;
Transaction context = new Transaction();
ResourceManagerList rms = new ResourceManagerList(MyRMTest.MockRM());
CommitedTransaction actual;
actual = TwoPhaseCommit.Commit(context, rms);
if (!actual.DoneEvent.WaitOne(2000))
{
Assert.Fail("Timeout in commit");
}
using (StreamReader sr = new StreamReader(TwoPhaseCommit_Accessor.LogFileName))
{
log = sr.ReadToEnd();
}
string expected = "12345678-1234-1234-1234-123456789012\tRollbacked\ttest4,\r12345678-1234-1234-1234-123456789013\tDone\ttest1,\r" + context.Id.ToString("d") + "\tDone\ttest,\r";
Assert.AreEqual(expected, log);
}
/// <summary>
/// Commits a transaction
/// Initialize and recover from previous failure if necessary.
/// See document for Init for details
/// Use new thread to do two phrase commit on the transaction
///
/// </summary>
/// <param name="context"></param>
/// <param name="rms"></param>
/// <returns></returns>
public static CommitedTransaction Commit(Transaction context, ResourceManagerList rms)
{
StartUp();
CommitedTransaction trans = new CommitedTransaction(context, rms);
lock (syncRoot)
{
if (!committedTransactions.ContainsKey(context))
{
committedTransactions.Add(context, trans);
}
else
{
trans = committedTransactions[context];
}
}
ThreadPool.QueueUserWorkItem(o =>
{
if (trans.State < CommitState.Committed)
{
trans.State = CommitState.Committed;
trans.StartCommit(PrepareFail, CommitFail);
}
});
return(trans);
}
public void StartCommitTest()
{
Transaction context = new Transaction();
ResourceManagerList rms = new ResourceManagerList(MyRMTest.MockRM());
rms.Add(MyRMTest.MockRM());
CommitedTransaction_Accessor target = new CommitedTransaction_Accessor(context, rms);
CommitedTransaction_Accessor.stepTimeout = 1000;
target.StartCommit();
Assert.IsTrue(target.DoneEvent.WaitOne(1000));
}
public CommitedTransaction(Transaction context, ResourceManagerList rms)
{
this.ResouceManagers = rms;
this.Context = context;
this.State = CommitState.None;
this.rmCommitStates = new List<CommitState>();
for (int i = 0; i < rms.ResourceManagers.Count; i++)
{
rmCommitStates.Add(CommitState.None);
}
}
public CommitedTransaction(Transaction context, ResourceManagerList rms)
{
this.ResouceManagers = rms;
this.Context = context;
this.State = CommitState.None;
this.rmCommitStates = new List <CommitState>();
for (int i = 0; i < rms.ResourceManagers.Count; i++)
{
rmCommitStates.Add(CommitState.None);
}
}
public void SetStateTest()
{
Transaction context = new Transaction();
ResourceManagerList rms = new ResourceManagerList(MyRMTest.MockRM());
rms.Add(MyRMTest.MockRM());
CommitedTransaction_Accessor target = new CommitedTransaction_Accessor(context, rms);
CommitState state = CommitState.Prepared;
target.SetState(0, state);
Assert.IsFalse(target.stepWaitEvent.WaitOne(300));
target.SetState(1, state);
Assert.IsTrue(target.stepWaitEvent.WaitOne(1000));
}
public void StartCommitTestWithOneFailPrepare()
{
Transaction context = new Transaction();
MockRM failRm = new MockRM();
failRm.PrepareResponse = TP.XaResponse.XAER_RMERR;
ResourceManagerList rms = new ResourceManagerList(failRm);
rms.Add(MyRMTest.MockRM());
CommitedTransaction_Accessor.expBackoff = 1;
CommitedTransaction_Accessor target = new CommitedTransaction_Accessor(context, rms);
CommitedTransaction_Accessor.stepTimeout = 100;
target.State = CommitState.Committed;
target.StartCommit();
Assert.AreEqual(string.Format("2PC:Prepare {0}:MockRM\r2PC:Prepare {0}:test\r2PC:Rollback {0}:MockRM\r2PC:Rollback {0}:test\r", context.Id), target.Message);
}
public static CommitedTransaction FromString(string input)
{
string[] items = input.Split(new char[] { '\t' }, StringSplitOptions.None);
Transaction trans = new Transaction();
trans.Id = new Guid(items[0]);
string[] rms = items[2].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
ResourceManagerList rml = new ResourceManagerList();
foreach (string s in rms)
{
RM rm = new MyRM.MyRM();
rm.SetName(s);
rml.Add(rm);
}
CommitedTransaction result = new CommitedTransaction(trans, rml);
switch (items[1])
{
case "None":
result.State = CommitState.None;
break;
case "Committed":
result.State = CommitState.Committed;
break;
case "Prepared":
result.State = CommitState.Prepared;
break;
case "Done":
result.State = CommitState.Done;
break;
}
for (int i = 0; i < result.rmCommitStates.Count; i++)
{
result.rmCommitStates[i] = result.State;
}
return(result);
}
public void CommitTestWithoutOldLog()
{
File.Delete(TwoPhaseCommit_Accessor.LogFileName);
Transaction context = new Transaction();
ResourceManagerList rms = new ResourceManagerList(MyRMTest.MockRM());
CommitedTransaction actual;
actual = TwoPhaseCommit.Commit(context, rms);
if (!actual.DoneEvent.WaitOne(1000))
{
Assert.Fail("Timeout in commit");
}
string log;
using (var sr = new StreamReader(TwoPhaseCommit_Accessor.LogFileName))
{
log = sr.ReadToEnd();
}
string expected = context.Id.ToString("d") + "\tDone\ttest,\r";
Assert.IsTrue(log.Contains(expected));
}
public static CommitedTransaction FromString(string input)
{
string[] items = input.Split(new char[] { '\t' }, StringSplitOptions.None);
Transaction trans = new Transaction();
trans.Id = new Guid(items[0]);
string[] rms = items[2].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
ResourceManagerList rml = new ResourceManagerList();
foreach (string s in rms)
{
RM rm = new MyRM.MyRM();
rm.SetName(s);
rml.Add(rm);
}
CommitedTransaction result = new CommitedTransaction(trans, rml);
switch (items[1])
{
case "None":
result.State = CommitState.None;
break;
case "Committed":
result.State = CommitState.Committed;
break;
case "Prepared":
result.State = CommitState.Prepared;
break;
case "Done":
result.State = CommitState.Done;
break;
}
for (int i = 0; i < result.rmCommitStates.Count; i++)
{
result.rmCommitStates[i] = result.State;
}
return result;
}
public void ToStringTest()
{
Transaction context = new Transaction();
ResourceManagerList rms = new ResourceManagerList(MyRMTest.MockRM());
rms.Add(MyRMTest.MockRM());
CommitedTransaction_Accessor target = new CommitedTransaction_Accessor(context, rms);
string expected = context.Id.ToString() + "\tNone\ttest,test,";
string actual;
actual = target.ToString();
Assert.AreEqual(expected, actual);
}
