private void MakeRequest(System.Web.UnsafeNativeMethods.StateProtocolVerb verb, string id, System.Web.UnsafeNativeMethods.StateProtocolExclusive exclusiveAccess, int extraFlags, int timeout, int lockCookie, byte[] buf, int cb, int networkTimeout, out System.Web.UnsafeNativeMethods.SessionNDMakeRequestResults results)
{
int num;
OutOfProcConnection o = null;
bool checkVersion = false;
SessionIDManager.CheckIdLength(id, true);
if (this._partitionInfo == null)
{
this._partitionInfo = (StateServerPartitionInfo)s_partitionManager.GetPartition(this._partitionResolver, id);
if (this._partitionInfo == null)
{
throw new HttpException(System.Web.SR.GetString("Bad_partition_resolver_connection_string", new object[] { "PartitionManager" }));
}
}
try
{
HandleRef ref2;
o = (OutOfProcConnection)this._partitionInfo.RetrieveResource();
if (o != null)
{
ref2 = new HandleRef(this, o._socketHandle.Handle);
}
else
{
ref2 = new HandleRef(this, INVALID_SOCKET);
}
if (this._partitionInfo.StateServerVersion == -1)
{
checkVersion = true;
}
string uri = HttpUtility.UrlEncode(s_uribase + id);
num = System.Web.UnsafeNativeMethods.SessionNDMakeRequest(ref2, this._partitionInfo.Server, this._partitionInfo.Port, networkTimeout, verb, uri, exclusiveAccess, extraFlags, timeout, lockCookie, buf, cb, checkVersion, out results);
if (o != null)
{
if (results.socket == INVALID_SOCKET)
{
o.Detach();
o = null;
}
else if (results.socket != ref2.Handle)
{
o._socketHandle = new HandleRef(this, results.socket);
}
}
else if (results.socket != INVALID_SOCKET)
{
o = new OutOfProcConnection(results.socket);
}
if (o != null)
{
this._partitionInfo.StoreResource(o);
}
}
catch
{
if (o != null)
{
o.Dispose();
}
throw;
}
if (num == 0)
{
if (results.httpStatus == 400)
{
if (s_usePartition)
{
throw new HttpException(System.Web.SR.GetString("Bad_state_server_request_partition_resolver", new object[] { s_configPartitionResolverType, this._partitionInfo.Server, this._partitionInfo.Port.ToString(CultureInfo.InvariantCulture) }));
}
throw new HttpException(System.Web.SR.GetString("Bad_state_server_request"));
}
if (checkVersion)
{
this._partitionInfo.StateServerVersion = results.stateServerMajVer;
if (this._partitionInfo.StateServerVersion < WHIDBEY_MAJOR_VERSION)
{
if (s_usePartition)
{
throw new HttpException(System.Web.SR.GetString("Need_v2_State_Server_partition_resolver", new object[] { s_configPartitionResolverType, this._partitionInfo.Server, this._partitionInfo.Port.ToString(CultureInfo.InvariantCulture) }));
}
throw new HttpException(System.Web.SR.GetString("Need_v2_State_Server"));
}
}
}
else
{
HttpException exception = CreateConnectionException(this._partitionInfo.Server, this._partitionInfo.Port, num);
string str2 = null;
switch (results.lastPhase)
{
case 0:
str2 = System.Web.SR.GetString("State_Server_detailed_error_phase0");
break;
case 1:
str2 = System.Web.SR.GetString("State_Server_detailed_error_phase1");
break;
case 2:
str2 = System.Web.SR.GetString("State_Server_detailed_error_phase2");
break;
case 3:
str2 = System.Web.SR.GetString("State_Server_detailed_error_phase3");
break;
}
WebBaseEvent.RaiseSystemEvent(System.Web.SR.GetString("State_Server_detailed_error", new object[] { str2, "0x" + num.ToString("X08", CultureInfo.InvariantCulture), cb.ToString(CultureInfo.InvariantCulture) }), this, 0xbc1, 0xc360, exception);
throw exception;
}
}
internal unsafe SessionStateStoreData DoGet(HttpContext context, string id, System.Web.UnsafeNativeMethods.StateProtocolExclusive exclusiveAccess, out bool locked, out TimeSpan lockAge, out object lockId, out SessionStateActions actionFlags)
{
SessionStateStoreData data = null;
UnmanagedMemoryStream stream = null;
System.Web.UnsafeNativeMethods.SessionNDMakeRequestResults results;
locked = false;
lockId = null;
lockAge = TimeSpan.Zero;
actionFlags = SessionStateActions.None;
results.content = IntPtr.Zero;
try
{
this.MakeRequest(System.Web.UnsafeNativeMethods.StateProtocolVerb.GET, id, exclusiveAccess, 0, 0, 0, null, 0, s_networkTimeout, out results);
int httpStatus = results.httpStatus;
if (httpStatus != 200)
{
if (httpStatus != 0x1a7)
{
return(data);
}
}
else
{
int contentLength = results.contentLength;
if (contentLength > 0)
{
try
{
stream = new UnmanagedMemoryStream((byte *)results.content, (long)contentLength);
data = SessionStateUtility.DeserializeStoreData(context, stream, s_configCompressionEnabled);
}
finally
{
if (stream != null)
{
stream.Close();
}
}
lockId = results.lockCookie;
actionFlags = (SessionStateActions)results.actionFlags;
}
return(data);
}
if (0 <= results.lockAge)
{
if (results.lockAge < 0x1e13380)
{
lockAge = new TimeSpan(0, 0, results.lockAge);
}
else
{
lockAge = TimeSpan.Zero;
}
}
else
{
DateTime now = DateTime.Now;
if ((0L < results.lockDate) && (results.lockDate < now.Ticks))
{
lockAge = (TimeSpan)(now - new DateTime(results.lockDate));
}
else
{
lockAge = TimeSpan.Zero;
}
}
locked = true;
lockId = results.lockCookie;
}
finally
{
if (results.content != IntPtr.Zero)
{
System.Web.UnsafeNativeMethods.SessionNDFreeBody(new HandleRef(this, results.content));
}
}
return(data);
}
