// creates a physical connection
internal SNIHandle(
SNINativeMethodWrapper.ConsumerInfo myInfo,
string serverName,
byte[] spnBuffer,
bool ignoreSniOpenTimeout,
int timeout,
out byte[] instanceName,
bool flushCache,
bool fSync,
bool fParallel)
: base(IntPtr.Zero, true)
{
try { }
finally
{
_fSync = fSync;
instanceName = new byte[256]; // Size as specified by netlibs.
if (ignoreSniOpenTimeout)
{
timeout = Timeout.Infinite; // -1 == native SNIOPEN_TIMEOUT_VALUE / INFINITE
}
_status = SNINativeMethodWrapper.SNIOpenSyncEx(myInfo, serverName, ref base.handle,
spnBuffer, instanceName, flushCache, fSync, timeout, fParallel);
}
}
// creates a physical connection
internal SNIHandle(
SNINativeMethodWrapper.ConsumerInfo myInfo,
string serverName,
byte[] spnBuffer,
bool ignoreSniOpenTimeout,
int timeout,
out byte[] instanceName,
bool flushCache,
bool fSync,
bool fParallel,
TransparentNetworkResolutionState transparentNetworkResolutionState,
int totalTimeout)
: base(IntPtr.Zero, true)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{ }
finally
{
_fSync = fSync;
instanceName = new byte[256]; // Size as specified by netlibs.
if (ignoreSniOpenTimeout)
{
// UNDONE: ITEM12001110 (DB Mirroring Reconnect) Old behavior of not truly honoring timeout presevered
// for non-failover scenarios to avoid breaking changes as part of a QFE. Consider fixing timeout
// handling in next full release and removing ignoreSniOpenTimeout parameter.
timeout = Timeout.Infinite; // -1 == native SNIOPEN_TIMEOUT_VALUE / INFINITE
}
int transparentNetworkResolutionStateNo = (int)transparentNetworkResolutionState;
_status = SNINativeMethodWrapper.SNIOpenSyncEx(myInfo, serverName, ref base.handle,
spnBuffer, instanceName, flushCache, fSync, timeout, fParallel, transparentNetworkResolutionStateNo, totalTimeout,
ADP.IsAzureSqlServerEndpoint(serverName));
}
}