protected override async Task PerformSendAfterWriteAsync(
BackendABIHelper args,
Stream stream,
Int32 size,
CancellationToken token,
ResizableArray <Byte> buffer
)
{
await args.WriteString(stream, this._statementName, token, buffer);
await args.WriteString(stream, this._sql, token, buffer);
var typesCount = this._typeIDs.GetLengthOrDefault();
buffer.CurrentMaxCapacity = sizeof(Int16) + 4 * typesCount;
var array = buffer.Array;
var idx = 0;
array.WritePgInt16(ref idx, typesCount);
if (typesCount > 0)
{
foreach (var typeID in this._typeIDs)
{
array.WritePgInt32(ref idx, typeID);
}
}
await stream.WriteAsync(array, 0, idx, token);
}
protected override async Task DoSendMessageAsync(
BackendABIHelper args,
Stream stream,
Int32 size,
CancellationToken token,
ResizableArray <Byte> array
)
{
// As documentation states, "For historical reasons, the very first message sent by the client (the startup message) has no initial message-type byte."
// Hence we don't inherit the FrontEndMessageObjectWithCode class
array.CurrentMaxCapacity = PREFIX;
var idx = 0;
array.Array
.WritePgInt32(ref idx, size)
.WritePgInt32(ref idx, this._protocolVersion);
await stream.WriteAsync(array.Array, 0, PREFIX, token);
foreach (var kvp in this._parameters)
{
await args.WriteString(stream, kvp.Key, token, array);
await args.WriteString(stream, kvp.Value, token, array);
}
array.Array[0] = 0;
await stream.WriteAsync(array.Array, 0, 1, token);
}