private async Task <IImmutableList <Block> > WriteIteratorToBlocksAsync(
StreamIterator iterator,
string eventName)
{
_logger.Display($"{eventName}...");
_logger.WriteEvent($"{eventName}-Start");
using (var buffer = BufferPool.Rent(_logConstants.MaxBlockSize))
{
var blocks = ImmutableList <Block> .Empty;
double ru = 0;
var cosmosPageCount = 0;
int index = 0;
int totalWrites = 0;
while (iterator.HasMoreResults)
{
var result = await iterator.ReadNextAsync();
if (result.Stream.Length > buffer.Buffer.Length)
{
throw new NotSupportedException(
$"Query return bigger than buffer: {result.Stream.Length}");
}
if (result.Stream.Length > buffer.Buffer.Length - index)
{
var block = await _logFile.WriteBlockAsync(buffer.Buffer, index);
totalWrites += index;
blocks = blocks.Add(block);
index = 0;
}
var memory = new Memory <byte>(buffer.Buffer, index, (int)result.Stream.Length);
await result.Stream.ReadAsync(memory);
index += memory.Length;
++cosmosPageCount;
ru += result.RequestCharge;
}
if (index > 0)
{
var block = await _logFile.WriteBlockAsync(buffer.Buffer, index);
totalWrites += index;
blocks = blocks.Add(block);
}
_logger
.AddContext("ru", ru)
.AddContext("cosmosPageCount", cosmosPageCount)
.AddContext("totalWrites", totalWrites)
.AddContext("blockCount", blocks.Count)
.WriteEvent(eventName);
_logger.Display($"Wrote {totalWrites} bytes in {blocks.Count} blocks");
_logger.Display($"Used {ru} RUs on {cosmosPageCount} Cosmos pages");
_logger.WriteEvent($"{eventName}-End");
return(blocks);
}
}
public void TestTradeReports()
{
Assert.AreEqual(0, FdkHelper.ConnectToFdk("ttdemo.fxopen.com", "100106", "123qwe123", ""));
var _trader = FdkTradeReports.Trade;
StreamIterator <TradeTransactionReport> tradeTransactions = _trader.Server.GetTradeTransactionReports(TimeDirection.Forward, true, null, null, 5000);
for (; !tradeTransactions.EndOfStream; tradeTransactions.Next())
{
TradeTransactionReport ttr = tradeTransactions.Item;
}
}
public void TestTradeReports2()
{
Library.Path = "<FRE>";
Assert.AreEqual(0, FdkHelper.ConnectToFdk("ttdemo.fxopen.com", "50001933", "123123", ""));
var _trader = FdkTradeReports.Trade;
var startTime = new DateTime(2015, 05, 1, 0, 0, 0);
var endTime = new DateTime(2015, 07, 30, 0, 0, 0);
StreamIterator <TradeTransactionReport> tradeTransactions = _trader.Server.GetTradeTransactionReports(TimeDirection.Forward, true,
startTime, endTime, 50);
for (; !tradeTransactions.EndOfStream; tradeTransactions.Next())
{
TradeTransactionReport ttr = tradeTransactions.Item;
}
}
