public WebsocketJsonClient(Uri socketUrl, IWebsocketLogger logger = null, ICredentials credentials = null, int bufferSize = 1024 * 5, Encoding encoding = null, IWebProxy proxy = null)
{
_socketUrl = socketUrl;
_logger = logger;
_socketBuffer = new byte[bufferSize];
_encoding = encoding ?? Encoding.UTF8;
if (credentials != null)
{
_socket.Options.Credentials = credentials;
}
if (proxy != null)
{
_socket.Options.Proxy = proxy;
}
if (_socket.Options.Credentials == null && !string.IsNullOrEmpty(_socketUrl.UserInfo) && _socketUrl.UserInfo.Contains(":"))
{
var split = _socketUrl.UserInfo.Split(':');
if (split.Length == 2)
{
_socket.Options.Credentials = new NetworkCredential(Uri.UnescapeDataString(split[0]), Uri.UnescapeDataString(split[1]));
}
}
_jsonProcessor = new JsonProcessor(_logger);
_jsonProcessor.OnEot += () => OnEot?.Invoke();
_jsonProcessor.OnEdges += (e) => OnEdges?.Invoke(e);
_jsonProcessor.OnNode += (n) => OnNode?.Invoke(n);
_jsonProcessor.OnStatus += (s) => OnStatus?.Invoke(s);
}
public void ProcessMessage(string message)
{
if (message is null || message.Length < 3 || message[0] != '!')
{
message ??= "<null>";
if (message.StartsWith("Error", StringComparison.InvariantCultureIgnoreCase))
{
_logger?.LogError(message);
}
else if (message.StartsWith("Warn", StringComparison.InvariantCultureIgnoreCase))
{
_logger?.LogWarn(message);
}
else
{
_logger?.LogInfo(message);
}
return;
}
message = message.TrimStart('!');
try {
var responseBase = Deserialize <CrawlerResponseBase>(message);
switch (responseBase.Type)
{
case "eot": OnEot?.Invoke(); break;
case "status": OnStatus?.Invoke(Deserialize <CrawlerResponseStatus>(message)); break;
case "edges": OnEdges?.Invoke(Deserialize <CrawlerResponseEdges>(message)); break;
case "node": OnNode?.Invoke(Deserialize <CrawlerResponseNode>(message)); break;
default: _logger?.LogWarn($"Unknown Message Type `{responseBase.Type ?? "<null>"}`"); break;
}
}
catch (JsonException ex) { _logger?.LogWarn($"invalid json: {message}", ex); }
}