internal LockableUnsafeContext(ClientSession <Key, Value, Input, Output, Context, Functions> clientSession)
{
this.clientSession = clientSession;
FasterSession = new InternalFasterSession(clientSession);
}
internal AdvancedClientSession(
FasterKV <Key, Value> fht,
FasterKV <Key, Value> .FasterExecutionContext <Input, Output, Context> ctx,
Functions functions,
bool supportAsync,
SessionVariableLengthStructSettings <Value, Input> sessionVariableLengthStructSettings = null)
{
this.fht = fht;
this.ctx = ctx;
this.functions = functions;
SupportAsync = supportAsync;
LatestCommitPoint = new CommitPoint {
UntilSerialNo = -1, ExcludedSerialNos = null
};
FasterSession = new InternalFasterSession(this);
this.variableLengthStruct = sessionVariableLengthStructSettings?.valueLength;
if (this.variableLengthStruct == default)
{
UpdateVarlen(ref this.variableLengthStruct);
if ((this.variableLengthStruct == default) && (fht.hlog is VariableLengthBlittableAllocator <Key, Value> allocator))
{
Debug.WriteLine("Warning: Session did not specify Input-specific functions for variable-length values via IVariableLengthStruct<Value, Input>");
this.variableLengthStruct = new DefaultVariableLengthStruct <Value, Input>(allocator.ValueLength);
}
}
else
{
if (!(fht.hlog is VariableLengthBlittableAllocator <Key, Value>))
{
Debug.WriteLine("Warning: Session param of variableLengthStruct provided for non-varlen allocator");
}
}
this.inputVariableLengthStruct = sessionVariableLengthStructSettings?.inputLength;
if (inputVariableLengthStruct == default)
{
if (typeof(Input) == typeof(SpanByte))
{
inputVariableLengthStruct = new SpanByteVarLenStruct() as IVariableLengthStruct <Input>;
}
else if (typeof(Input).IsGenericType && (typeof(Input).GetGenericTypeDefinition() == typeof(Memory <>)) && Utility.IsBlittableType(typeof(Input).GetGenericArguments()[0]))
{
var m = typeof(MemoryVarLenStruct <>).MakeGenericType(typeof(Input).GetGenericArguments());
object o = Activator.CreateInstance(m);
inputVariableLengthStruct = o as IVariableLengthStruct <Input>;
}
else if (typeof(Input).IsGenericType && (typeof(Input).GetGenericTypeDefinition() == typeof(ReadOnlyMemory <>)) && Utility.IsBlittableType(typeof(Input).GetGenericArguments()[0]))
{
var m = typeof(ReadOnlyMemoryVarLenStruct <>).MakeGenericType(typeof(Input).GetGenericArguments());
object o = Activator.CreateInstance(m);
inputVariableLengthStruct = o as IVariableLengthStruct <Input>;
}
}
// Session runs on a single thread
if (!supportAsync)
{
UnsafeResumeThread();
}
}
