public bool Prune(PruneParams pp, out int prunedCount)
{
ulong limit = pp.Time - (86400 * pp.Limit);
prunedCount = 0;
try
{
if (pp.DryRun)
{
foreach (var n in nodeMap.Values)
{
if (n.LastAccessTime < limit)
{
++prunedCount;
}
}
Log.Instance.Write($"{prunedCount} nodes older than {pp.Limit} days");
}
else
{
Dictionary <string, SubmitParams> prunedMap = new Dictionary <string, SubmitParams>();
foreach (var n in nodeMap)
{
if (n.Value.LastAccessTime < limit)
{
++prunedCount;
}
else
{
prunedMap.Add(n.Key, n.Value);
}
}
nodeMap = prunedMap;
}
return(true);
}
catch (Exception ex)
{
Log.Instance.WriteNonFatalException(ex);
return(false);
}
}
private void HandleRequest(HttpListenerContext context)
{
HttpListenerRequest request = context.Request;
HttpListenerResponse response = context.Response;
response.ContentType = "application/json";
string text;
using (var reader = new StreamReader(request.InputStream, request.ContentEncoding))
{
text = reader.ReadToEnd();
}
string method = request.Url.Segments[1];
dynamic json = JObject.Parse(text);
Log.Instance.Write($"Received new request: {json.method}");
switch (json.method.Value)
{
case "submit":
{
SubmitParams sp = JsonConvert.DeserializeObject <RpcRequest <SubmitParams> >(text).Params;
bool ne = false;
bool ok = dataStore.Add(sp, out ne);
if (ok)
{
if (ne)
{
MapDataChanged?.Invoke();
}
}
string result = ok ? RESULT_OK : RESULT_BAD;
response.OutputStream.Write(Encoding.ASCII.GetBytes(result));
context.Response.Close();
}
break;
case "fetch":
{
FetchParams fp = JsonConvert.DeserializeObject <RpcRequest <FetchParams> >(text).Params;
response.OutputStream.Write(Encoding.ASCII.GetBytes(dataStore.Fetch(fp)));
context.Response.Close();
}
break;
case "prune":
{
PruneParams pp = JsonConvert.DeserializeObject <RpcRequest <PruneParams> >(text).Params;
if (string.IsNullOrEmpty(pp.Key))
{
Log.Instance.Write(Log_Severity.Warning, "No access key provided");
return;
}
if (!Config.AllowedKeys.Contains(pp.Key))
{
Log.Instance.Write(Log_Severity.Warning, "Invalid access key");
return;
}
int pc = 0;
bool ok = dataStore.Prune(pp, out pc);
if (ok && !pp.DryRun)
{
if (pc > 0)
{
MapDataChanged?.Invoke();
}
}
string result = ok ? RESULT_OK : RESULT_BAD;
response.OutputStream.Write(Encoding.ASCII.GetBytes(result));
context.Response.Close();
}
break;
case "save":
{
Task.Run(() =>
{
new ObjectSerializer().Serialize(dataStore, "NodeMap.xml");
Log.Instance.Write("Node map data saved");
Log.Instance.Write("Saving node map data to json");
File.WriteAllText("/var/www/html/nodemap.json", $"{{\"status\":\"OK\",\"result\":{dataStore.FetchAll()}}}\r\n");
});
}
break;
default:
Log.Instance.Write($"Invalid request: {json.Method}");
break;
}
}