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[Modify] Throw exceptions

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sta 2017-07-30 15:51:33 +09:00
parent 0fb0198a34
commit e9e7430060
1 changed files with 32 additions and 4 deletions
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36
websocket-sharp/WebSocket.cs
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@ -2883,14 +2883,42 @@ namespace WebSocketSharp
/// </param>
public void CloseAsync (ushort code, string reason)
{
string msg;
if (!CheckParametersForClose (code, reason, _client, out msg)) {
_logger.Error (msg);
error ("An error has occurred in closing the connection.", null);
if (!code.IsCloseStatusCode ()) {
var msg = "Less than 1000 or greater than 4999.";
throw new ArgumentOutOfRangeException ("code", msg);
}
if (_client && code == 1011) {
var msg = "1011 cannot be used.";
throw new ArgumentException (msg, "code");
}
if (!_client && code == 1010) {
var msg = "1010 cannot be used.";
throw new ArgumentException (msg, "code");
}
if (reason.IsNullOrEmpty ()) {
closeAsync (code, String.Empty);
return;
}
if (code == 1005) {
var msg = "1005 cannot be used.";
throw new ArgumentException (msg, "code");
}
byte[] bytes;
if (!reason.TryGetUTF8EncodedBytes (out bytes)) {
var msg = "It could not be UTF-8-encoded.";
throw new ArgumentException (msg, "reason");
}
if (bytes.Length > 123) {
var msg = "Its size is greater than 123 bytes.";
throw new ArgumentOutOfRangeException ("reason", msg);
}
closeAsync (code, reason);
}