public Market.Market GetMarket(SystemBody body, string code)
{
string marketCode = string.Format("{0}/{1}/{2}", body.StarSystem.Coords, body.SystemBodyId, code);
wrl.AcquireReaderLock(-1);
try {
if (markets.ContainsKey(marketCode))
{
MarketManager_Entry ioM = markets[marketCode];
ioM.Stamp = DateTime.Now;
return(ioM.Market);
}
else
{
LockCookie lc = wrl.UpgradeToWriterLock(-1);
try {
Market.Market m = new Market.Market(body, code);
MarketManager_Entry ioM = new MarketManager_Entry(m);
markets.Add(marketCode, ioM);
return(m);
} finally {
wrl.DowngradeFromWriterLock(ref lc);
}
}
} finally {
wrl.ReleaseReaderLock();
}
}
public void Clean()
{
wrl.AcquireReaderLock(-1);
try {
List <string> marketToRemove = new List <string>();
foreach (var key in markets.Keys)
{
MarketManager_Entry ioM = markets[key];
if (DateTime.Now.Subtract(ioM.Stamp).TotalMinutes > 10)
{
marketToRemove.Add(key);
}
}
if (marketToRemove.Count > 0)
{
var lc = wrl.UpgradeToWriterLock(-1);
try {
foreach (var key in marketToRemove)
{
if (markets.ContainsKey(key))
{
MarketManager_Entry ioM = markets[key];
if (DateTime.Now.Subtract(ioM.Stamp).TotalMinutes > 10)
{
markets.Remove(key);
}
}
}
} finally {
wrl.DowngradeFromWriterLock(ref lc);
}
}
} finally {
wrl.ReleaseReaderLock();
}
}
