public static void Main(string[] args)
{
AlphaVantageAgent agent = new AlphaVantageAgent();
agent.Start();
Console.WriteLine("bye!");
}
internal static List <AlphaVantageAgent.KeyAgent> LoadKeys(AlphaVantageAgent parent)
{
List <AlphaVantageAgent.KeyAgent> keyAgents;
string keyQuery = @"select ApiKey,
coalesce(DateLastUsed, '1900-01-01') as DateLastUsed,
coalesce(DailyCallCount, 0) as DailyCallCount,
DailyCallMax as DailyCallMax,
coalesce(CallsPerMinute, 0) as CallsPerMinute
from AlphaVantageKeys;";
List <KeyDto> dtos = SQLUtilities.FromQuery <KeyDto>(keyQuery);
keyAgents = dtos.Select(d => new AlphaVantageAgent.KeyAgent(parent, d.DailyCallMax, d.CallsPerMinute, d.ApiKey, d.DateLastUsed, d.DailyCallCount))
.ToList();
return(keyAgents);
}
public KeyAgent(AlphaVantageAgent parent, int?callsPerDay, int callsPerMinute, string key, DateTime dateLastUsed, int callCount)
{
this.CallsPerDay = callsPerDay;
this.CallsPerMinute = callsPerMinute;
this.Key = key;
this.dailyCallsLeft = this.CallsPerDay ?? int.MaxValue;
this.maxDailyCalls = callsPerDay;
if (this.maxDailyCalls != null)
{
if (dateLastUsed.Date == DateTime.Today)
{
dailyCallsLeft = (callsPerDay ?? int.MaxValue) - callCount;
this.currentDate = dateLastUsed;
}
else
{
dailyCallsLeft = callsPerDay ?? int.MaxValue;
this.currentDate = DateTime.Today;
}
}
}
public void Start(AlphaVantageAgent parent)
{
this.parent = parent;
int sleepTime = 1;
Stopwatch timer = Stopwatch.StartNew();
this.shutdown = false;
if (this.maxDailyCalls != null && this.maxDailyCalls != 0 && this.dailyCallsLeft == 0)
{
this.shutdown = true;
}
while (!shutdown)
{
Console.WriteLine("Key Agent {0} getting next task", this.Key);
ILoadTask task = parent.GetNextTask();
if (task != null)
{
Console.WriteLine("Key Agent {0} processing {1}", this.Key, task.Descriptor);
this.dailyCallsLeft -= 1;
timer.Reset();
timer.Start();
try
{
task.Run(this.Key);
parent.CompleteTask(task);
this.SaveUsage();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.InnerException.Message);
parent.FailTask(task);
}
timer.Stop();
double maxSleepTime = 60.0 * 1000.0 / this.CallsPerMinute;
sleepTime = (int)Math.Ceiling(maxSleepTime - timer.ElapsedMilliseconds);
}
else
{
Console.WriteLine("Key Agent {0} no task found, sleeping", this.Key);
sleepTime = 1000;
}
NLog.LogManager.GetCurrentClassLogger().Debug("sleepTime = {0}", sleepTime);
Console.WriteLine("Key Agent {0} sleeping for {1} seconds", this.Key, sleepTime / 1000.0);
if (sleepTime < 0)
{
sleepTime = (int)Math.Ceiling(60.0 * 1000.0 / this.CallsPerMinute);
}
Thread.Sleep(sleepTime);
}
this.shutdown = true;
Console.WriteLine("No daily calls left, terminating.");
}