void MakeRequest(
UnsafeNativeMethods.StateProtocolVerb verb,
String id,
UnsafeNativeMethods.StateProtocolExclusive exclusiveAccess,
int extraFlags,
int timeout,
int lockCookie,
byte[] buf,
int cb,
int networkTimeout,
out UnsafeNativeMethods.SessionNDMakeRequestResults results)
{
int hr;
string uri;
OutOfProcConnection conn = null;
HandleRef socketHandle;
bool checkVersion = false;
Debug.Assert(timeout <= SessionStateModule.MAX_CACHE_BASED_TIMEOUT_MINUTES, "item.Timeout <= SessionStateModule.MAX_CACHE_BASED_TIMEOUT_MINUTES");
SessionIDManager.CheckIdLength(id, true /* throwOnFail */);
if (_partitionInfo == null)
{
Debug.Assert(s_partitionManager != null);
Debug.Assert(_partitionResolver != null);
_partitionInfo = (StateServerPartitionInfo)s_partitionManager.GetPartition(_partitionResolver, id);
// If its still null, we give up
if (_partitionInfo == null)
{
throw new HttpException(SR.GetString(SR.Bad_partition_resolver_connection_string, "PartitionManager"));
}
}
// Need to make sure we dispose the connection if anything goes wrong
try {
conn = (OutOfProcConnection)_partitionInfo.RetrieveResource();
if (conn != null)
{
socketHandle = new HandleRef(this, conn._socketHandle.Handle);
}
else
{
socketHandle = new HandleRef(this, INVALID_SOCKET);
}
if (_partitionInfo.StateServerVersion == -1)
{
// We don't need locking here because it's okay to have two
// requests initializing s_stateServerVersion.
checkVersion = true;
}
Debug.Trace("OutOfProcSessionStateStoreMakeRequest",
"Calling MakeRequest, " +
"socket=" + (IntPtr)socketHandle.Handle +
"verb=" + verb +
" id=" + id +
" exclusiveAccess=" + exclusiveAccess +
" timeout=" + timeout +
" buf=" + ((buf != null) ? "non-null" : "null") +
" cb=" + cb +
" checkVersion=" + checkVersion +
" extraFlags=" + extraFlags);
// Have to UrlEncode id because it may contain non-URL-safe characters
uri = HttpUtility.UrlEncode(s_uribase + id);
hr = UnsafeNativeMethods.SessionNDMakeRequest(
socketHandle, _partitionInfo.Server, _partitionInfo.Port, _partitionInfo.ServerIsIPv6NumericAddress /* forceIPv6 */, networkTimeout, verb, uri,
exclusiveAccess, extraFlags, timeout, lockCookie,
buf, cb, checkVersion, out results);
Debug.Trace("OutOfProcSessionStateStoreMakeRequest", "MakeRequest returned: " +
"hr=" + hr +
" socket=" + (IntPtr)results.socket +
" httpstatus=" + results.httpStatus +
" timeout=" + results.timeout +
" contentlength=" + results.contentLength +
" uri=" + (IntPtr)results.content +
" lockCookie=" + results.lockCookie +
" lockDate=" + string.Format("{0:x}", results.lockDate) +
" lockAge=" + results.lockAge +
" stateServerMajVer=" + results.stateServerMajVer +
" actionFlags=" + results.actionFlags);
if (conn != null)
{
if (results.socket == INVALID_SOCKET)
{
conn.Detach();
conn = null;
}
else if (results.socket != socketHandle.Handle)
{
// The original socket is no good. We've got a new one.
// Pleae note that EnsureConnected has closed the bad
// one already.
conn._socketHandle = new HandleRef(this, results.socket);
}
}
else if (results.socket != INVALID_SOCKET)
{
conn = new OutOfProcConnection(results.socket);
}
if (conn != null)
{
_partitionInfo.StoreResource(conn);
}
}
catch {
// We just need to dispose the connection if anything bad happened
if (conn != null)
{
conn.Dispose();
}
throw;
}
if (hr != 0)
{
HttpException e = CreateConnectionException(_partitionInfo.Server, _partitionInfo.Port, hr);
string phase = null;
switch (results.lastPhase)
{
case (int)UnsafeNativeMethods.SessionNDMakeRequestPhase.Initialization:
phase = SR.GetString(SR.State_Server_detailed_error_phase0);
break;
case (int)UnsafeNativeMethods.SessionNDMakeRequestPhase.Connecting:
phase = SR.GetString(SR.State_Server_detailed_error_phase1);
break;
case (int)UnsafeNativeMethods.SessionNDMakeRequestPhase.SendingRequest:
phase = SR.GetString(SR.State_Server_detailed_error_phase2);
break;
case (int)UnsafeNativeMethods.SessionNDMakeRequestPhase.ReadingResponse:
phase = SR.GetString(SR.State_Server_detailed_error_phase3);
break;
default:
Debug.Assert(false, "Unknown results.lastPhase: " + results.lastPhase);
break;
}
WebBaseEvent.RaiseSystemEvent(SR.GetString(SR.State_Server_detailed_error,
phase,
"0x" + hr.ToString("X08", CultureInfo.InvariantCulture),
cb.ToString(CultureInfo.InvariantCulture)),
this, WebEventCodes.WebErrorOtherError, WebEventCodes.StateServerConnectionError, e);
throw e;
}
if (results.httpStatus == 400)
{
if (s_usePartition)
{
throw new HttpException(
SR.GetString(SR.Bad_state_server_request_partition_resolver,
s_configPartitionResolverType, _partitionInfo.Server, _partitionInfo.Port.ToString(CultureInfo.InvariantCulture)));
}
else
{
throw new HttpException(
SR.GetString(SR.Bad_state_server_request));
}
}
if (checkVersion)
{
_partitionInfo.StateServerVersion = results.stateServerMajVer;
if (_partitionInfo.StateServerVersion < WHIDBEY_MAJOR_VERSION)
{
// We won't work with versions lower than Whidbey
if (s_usePartition)
{
throw new HttpException(
SR.GetString(SR.Need_v2_State_Server_partition_resolver,
s_configPartitionResolverType, _partitionInfo.Server, _partitionInfo.Port.ToString(CultureInfo.InvariantCulture)));
}
else
{
throw new HttpException(
SR.GetString(SR.Need_v2_State_Server));
}
}
}
}
void MakeRequest(
UnsafeNativeMethods.StateProtocolVerb verb,
String id,
UnsafeNativeMethods.StateProtocolExclusive exclusiveAccess,
int timeout,
int lockCookie,
byte[] buf,
int cb,
int networkTimeout,
out UnsafeNativeMethods.SessionNDMakeRequestResults results)
{
int hr;
string uri;
OutOfProcConnection conn;
HandleRef socketHandle;
conn = (OutOfProcConnection)s_rpool.RetrieveResource();
if (conn != null)
{
socketHandle = new HandleRef(this, conn._socketHandle.Handle);
}
else
{
socketHandle = new HandleRef(this, INVALID_SOCKET);
}
Debug.Trace("SessionStateClientManagerMakeRequest",
"Calling MakeRequest, " +
"socket=" + (IntPtr)socketHandle.Handle +
"verb=" + verb +
" id=" + id +
" exclusiveAccess=" + exclusiveAccess +
" timeout=" + timeout +
" buf=" + ((buf != null) ? "non-null" : "null") +
" cb=" + cb);
uri = s_uribase + id;
hr = UnsafeNativeMethods.SessionNDMakeRequest(
socketHandle, s_server, s_port, networkTimeout, verb, uri,
exclusiveAccess, timeout, lockCookie,
buf, cb, out results);
Debug.Trace("SessionStateClientManagerMakeRequest", "MakeRequest returned: " +
"hr=" + hr +
" socket=" + (IntPtr)results.socket +
" httpstatus=" + results.httpStatus +
" timeout=" + results.timeout +
" contentlength=" + results.contentLength +
" uri=" + (IntPtr)results.content +
" lockCookie=" + results.lockCookie +
" lockDate=" + string.Format("{0:x}", results.lockDate) +
" lockAge=" + results.lockAge);
if (conn != null)
{
if (results.socket == INVALID_SOCKET)
{
conn.Detach();
conn = null;
}
else if (results.socket != socketHandle.Handle)
{
// The original socket is no good. We've got a new one.
// Pleae note that EnsureConnected has closed the bad
// one already.
conn._socketHandle = new HandleRef(this, results.socket);
}
}
else if (results.socket != INVALID_SOCKET)
{
conn = new OutOfProcConnection(results.socket);
}
if (conn != null)
{
s_rpool.StoreResource(conn);
}
if (hr != 0)
{
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Cant_make_session_request),
hr);
}
}
