internal object GetPartition(IPartitionResolver partitionResolver, string id) {
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.Infrastructure))
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_START, HttpContext.Current.WorkerRequest, partitionResolver.GetType().FullName, id);
string partitionString = null;
string errorMessage = null;
IPartitionInfo partitionInfo = null;
try {
try {
partitionString = partitionResolver.ResolvePartition(id);
if (partitionString == null) {
throw new HttpException(
SR.GetString(SR.Bad_partition_resolver_connection_string, partitionResolver.GetType().FullName));
}
}
catch (Exception e) {
errorMessage = e.Message;
throw;
}
try {
_lock.AcquireReaderLock(-1);
partitionInfo = (IPartitionInfo)_partitions[partitionString];
if (partitionInfo != null) {
Debug.Trace("PartitionManager", "id=" + id + "; partitionString=" + partitionString);
return partitionInfo;
}
}
finally {
if (_lock.IsReaderLockHeld) {
_lock.ReleaseReaderLock();
}
}
// Not found. Has to add it.
try {
_lock.AcquireWriterLock(-1);
// One more time
partitionInfo = (IPartitionInfo)_partitions[partitionString];
if (partitionInfo == null) {
partitionInfo = _createCallback(partitionString);
Debug.Trace("PartitionManager", "Add a new partition; id=" + id + "; partitionString=" + partitionString);
_partitions.Add(partitionString, partitionInfo);
}
Debug.Trace("PartitionManager", "id=" + id + "; partitionString=" + partitionString);
return partitionInfo;
}
finally {
if (_lock.IsWriterLockHeld) {
_lock.ReleaseWriterLock();
}
}
}
finally {
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.Infrastructure)) {
string msg = errorMessage;
if (msg == null) {
if (partitionInfo != null) {
msg = partitionInfo.GetTracingPartitionString();
}
else {
msg = String.Empty;
}
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_END, HttpContext.Current.WorkerRequest, msg);
}
}
}
internal object GetPartition(IPartitionResolver partitionResolver, string id)
{
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.Infrastructure))
{
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_START, HttpContext.Current.WorkerRequest, partitionResolver.GetType().FullName, id);
}
string partitionString = null;
string errorMessage = null;
IPartitionInfo partitionInfo = null;
try {
try {
partitionString = partitionResolver.ResolvePartition(id);
if (partitionString == null)
{
throw new HttpException(
SR.GetString(SR.Bad_partition_resolver_connection_string, partitionResolver.GetType().FullName));
}
}
catch (Exception e) {
errorMessage = e.Message;
throw;
}
try {
_lock.AcquireReaderLock(-1);
partitionInfo = (IPartitionInfo)_partitions[partitionString];
if (partitionInfo != null)
{
Debug.Trace("PartitionManager", "id=" + id + "; partitionString=" + partitionString);
return(partitionInfo);
}
}
finally {
if (_lock.IsReaderLockHeld)
{
_lock.ReleaseReaderLock();
}
}
// Not found. Has to add it.
try {
_lock.AcquireWriterLock(-1);
// One more time
partitionInfo = (IPartitionInfo)_partitions[partitionString];
if (partitionInfo == null)
{
partitionInfo = _createCallback(partitionString);
Debug.Trace("PartitionManager", "Add a new partition; id=" + id + "; partitionString=" + partitionString);
_partitions.Add(partitionString, partitionInfo);
}
Debug.Trace("PartitionManager", "id=" + id + "; partitionString=" + partitionString);
return(partitionInfo);
}
finally {
if (_lock.IsWriterLockHeld)
{
_lock.ReleaseWriterLock();
}
}
}
finally {
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.Infrastructure))
{
string msg = errorMessage;
if (msg == null)
{
if (partitionInfo != null)
{
msg = partitionInfo.GetTracingPartitionString();
}
else
{
msg = String.Empty;
}
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_END, HttpContext.Current.WorkerRequest, msg);
}
}
}
internal object GetPartition(IPartitionResolver partitionResolver, string id)
{
object obj2;
if (EtwTrace.IsTraceEnabled(5, 1))
{
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_START, HttpContext.Current.WorkerRequest, partitionResolver.GetType().FullName, id);
}
string connectionString = null;
string message = null;
IPartitionInfo info = null;
try
{
try
{
connectionString = partitionResolver.ResolvePartition(id);
if (connectionString == null)
{
throw new HttpException(System.Web.SR.GetString("Bad_partition_resolver_connection_string", new object[] { partitionResolver.GetType().FullName }));
}
}
catch (Exception exception)
{
message = exception.Message;
throw;
}
try
{
this._lock.AcquireReaderLock(-1);
info = (IPartitionInfo) this._partitions[connectionString];
if (info != null)
{
return info;
}
}
finally
{
if (this._lock.IsReaderLockHeld)
{
this._lock.ReleaseReaderLock();
}
}
try
{
this._lock.AcquireWriterLock(-1);
info = (IPartitionInfo) this._partitions[connectionString];
if (info == null)
{
info = this._createCallback(connectionString);
this._partitions.Add(connectionString, info);
}
return info;
}
finally
{
if (this._lock.IsWriterLockHeld)
{
this._lock.ReleaseWriterLock();
}
}
}
finally
{
if (EtwTrace.IsTraceEnabled(5, 1))
{
string tracingPartitionString = message;
if (tracingPartitionString == null)
{
if (info != null)
{
tracingPartitionString = info.GetTracingPartitionString();
}
else
{
tracingPartitionString = string.Empty;
}
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_END, HttpContext.Current.WorkerRequest, tracingPartitionString);
}
}
return obj2;
}
internal object GetPartition(IPartitionResolver partitionResolver, string id)
{
object obj2;
if (EtwTrace.IsTraceEnabled(5, 1))
{
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_START, HttpContext.Current.WorkerRequest, partitionResolver.GetType().FullName, id);
}
string connectionString = null;
string message = null;
IPartitionInfo info = null;
try
{
try
{
connectionString = partitionResolver.ResolvePartition(id);
if (connectionString == null)
{
throw new HttpException(System.Web.SR.GetString("Bad_partition_resolver_connection_string", new object[] { partitionResolver.GetType().FullName }));
}
}
catch (Exception exception)
{
message = exception.Message;
throw;
}
try
{
this._lock.AcquireReaderLock(-1);
info = (IPartitionInfo)this._partitions[connectionString];
if (info != null)
{
return(info);
}
}
finally
{
if (this._lock.IsReaderLockHeld)
{
this._lock.ReleaseReaderLock();
}
}
try
{
this._lock.AcquireWriterLock(-1);
info = (IPartitionInfo)this._partitions[connectionString];
if (info == null)
{
info = this._createCallback(connectionString);
this._partitions.Add(connectionString, info);
}
return(info);
}
finally
{
if (this._lock.IsWriterLockHeld)
{
this._lock.ReleaseWriterLock();
}
}
}
finally
{
if (EtwTrace.IsTraceEnabled(5, 1))
{
string tracingPartitionString = message;
if (tracingPartitionString == null)
{
if (info != null)
{
tracingPartitionString = info.GetTracingPartitionString();
}
else
{
tracingPartitionString = string.Empty;
}
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_SESSIONSTATE_PARTITION_END, HttpContext.Current.WorkerRequest, tracingPartitionString);
}
}
return(obj2);
}
