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[Modify] Throw exceptions

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sta 2017-07-30 16:08:41 +09:00
parent cf9f3b11e5
commit 31d4c555f9
1 changed files with 27 additions and 4 deletions
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31
websocket-sharp/WebSocket.cs
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@ -2991,14 +2991,37 @@ namespace WebSocketSharp
/// </param>
public void CloseAsync (CloseStatusCode 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 (_client && code == CloseStatusCode.ServerError) {
var msg = "ServerError cannot be used.";
throw new ArgumentException (msg, "code");
}
if (!_client && code == CloseStatusCode.MandatoryExtension) {
var msg = "MandatoryExtension cannot be used.";
throw new ArgumentException (msg, "code");
}
if (reason.IsNullOrEmpty ()) {
closeAsync ((ushort) code, String.Empty);
return;
}
if (code == CloseStatusCode.NoStatus) {
var msg = "NoStatus 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 ((ushort) code, reason);
}