public ContraCoreClient(string hostname)
{
Task.Run(() => Read(hostname));
OnConnected += Setup;
OnConnected += () =>
{
Connected = true;
Common.Logger.Info("Connected to ContraCore");
ConnectionComplete.Set();
OnStatusChange?.Invoke();
};
OnDisconnected += () =>
{
Connected = false;
GeneratingRules = false;
GeneratingOUI = false;
ReloadingBlacklist = false;
ReloadingWhitelist = false;
OnGenRulesChange?.Invoke();
OnGenOUIChange?.Invoke();
OnReloadBlacklistChange?.Invoke();
OnReloadWhitelistChange?.Invoke();
Common.Logger.Info("Disconnected from ContraCore");
OnStatusChange?.Invoke();
};
}
private async void Read(string hostname)
{
while (true)
{
try
{
_client = new TcpClient(hostname, 64417);
_stream = _client.GetStream();
_reader = new StreamReader(_stream);
if (!_connected)
{
OnConnected?.Invoke();
}
_connected = true;
}
catch (Exception e)
{
Common.Logger.Warning("Failed to connect to server; retrying...", e: e,
meta: new Fields {
{ "Hostname", hostname }
});
Thread.Sleep(1000);
if (_connected)
{
OnDisconnected?.Invoke();
}
_connected = false;
continue;
}
try
{
string line;
while ((line = (await _reader.ReadLineAsync()) !) != null)
{
string cmd = line.Contains(" ") ? line.Substring(0, line.IndexOf(" ", StringComparison.Ordinal)) : line;
string val = line.Substring(line.IndexOf(" ", StringComparison.Ordinal) + 1);
if (cmd != "query" && cmd != "gen_oui.gen_progress")
{
Common.Logger.Debug($"NetMgr <- {cmd}");
}
switch (cmd)
{
case "ping":
await Send("ping.pong");
break;
case "ping.pong":
_pongEvent.Release();
break;
case "get_cache.cache":
List <Log> logs = JsonConvert.DeserializeObject <List <Log> >(val);
await _cacheChannel.Writer.WriteAsync(logs);
break;
case "query":
Log log = JsonConvert.DeserializeObject <Log>(val);
Common.Logger.Debug($"Incoming: {log}");
_data.Enqueue(log);
OnNewLog?.Invoke(log);
break;
case "gen_rules.sources":
case "gen_rules.gen_progress":
case "gen_rules.save_progress":
case "gen_rules.saved_in":
OnGenRulesCallback?.Invoke(val);
break;
case "gen_rules.complete":
GeneratingRules = false;
OnGenRulesChange?.Invoke();
break;
case "gen_oui.gen_progress":
OnGenOUICallback?.Invoke(val);
break;
case "gen_oui.generated_in":
GeneratingOUI = false;
OnGenOUIChange?.Invoke();
break;
case "reload_config.complete":
_reloadConfigCompleteEvent.Release();
break;
case "reload_blacklist.reload_progress":
case "reload_blacklist.reloaded_in":
OnReloadBlacklistStatusCallback?.Invoke(val);
break;
case "reload_blacklist.contradb_offline":
ReloadingBlacklist = false;
OnReloadBlacklistErrorCallback?.Invoke(val);
OnReloadBlacklistChange?.Invoke();
break;
case "reload_blacklist.complete":
ReloadingBlacklist = false;
OnReloadBlacklistChange?.Invoke();
break;
case "reload_whitelist.complete":
ReloadingWhitelist = false;
OnReloadWhitelistChange?.Invoke();
break;
case "reload_whitelist.contradb_offline":
case "reload_whitelist.error":
ReloadingWhitelist = false;
OnReloadWhitelistErrorCallback?.Invoke(val);
OnReloadWhitelistChange?.Invoke();
break;
default:
Common.Logger.Error(
$"Unmatched command received from NetManagerClient: {cmd}",
new InvalidOperationException()
);
break;
}
}
}
catch (Exception e)
{
Common.Logger.Warning("Failed to read from server; reconnecting...", e, new Fields {
{ "Hostname", hostname }
});
Thread.Sleep(1000);
OnDisconnected?.Invoke();
}
}
}