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WebSocket::close is re-entrant

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This commit is contained in:
Benjamin Sergeant
2020-07-27 17:38:33 -07:00
parent af2f31045d
commit 22dffd5b7e
2 changed files with 31 additions and 27 deletions
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47
ixwebsocket/IXWebSocketTransport.cpp
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@ -65,7 +65,6 @@ namespace ix
, _receivedMessageCompressed(false)
, _readyState(ReadyState::CLOSED)
, _closeCode(WebSocketCloseConstants::kInternalErrorCode)
, _closeReason(WebSocketCloseConstants::kInternalErrorMessage)
, _closeWireSize(0)
, _closeRemote(false)
, _enablePerMessageDeflate(false)
@ -77,6 +76,7 @@ namespace ix
, _pingCount(0)
, _lastSendPingTimePoint(std::chrono::steady_clock::now())
{
setCloseReason(WebSocketCloseConstants::kInternalErrorMessage);
_readbuf.resize(kChunkSize);
}
@ -179,13 +179,12 @@ namespace ix
if (readyState == ReadyState::CLOSED)
{
std::lock_guard<std::mutex> lock(_closeDataMutex);
if (_onCloseCallback)
{
_onCloseCallback(_closeCode, _closeReason, _closeWireSize, _closeRemote);
_onCloseCallback(_closeCode, getCloseReason(), _closeWireSize, _closeRemote);
}
setCloseReason(WebSocketCloseConstants::kInternalErrorMessage);
_closeCode = WebSocketCloseConstants::kInternalErrorCode;
_closeReason = WebSocketCloseConstants::kInternalErrorMessage;
_closeWireSize = 0;
_closeRemote = false;
}
@ -642,11 +641,7 @@ namespace ix
{
// we got the CLOSE frame answer from our close, so we can close the connection
// if the code/reason are the same
bool identicalReason;
{
std::lock_guard<std::mutex> lock(_closeDataMutex);
identicalReason = _closeCode == code && _closeReason == reason;
}
bool identicalReason = _closeCode == code && getCloseReason() == reason;
if (identicalReason)
{
@ -1084,13 +1079,10 @@ namespace ix
{
closeSocket();
{
std::lock_guard<std::mutex> lock(_closeDataMutex);
_closeCode = code;
_closeReason = reason;
_closeWireSize = closeWireSize;
_closeRemote = remote;
}
setCloseReason(reason);
_closeCode = code;
_closeWireSize = closeWireSize;
_closeRemote = remote;
setReadyState(ReadyState::CLOSED);
_requestInitCancellation = false;
@ -1110,13 +1102,11 @@ namespace ix
closeWireSize = reason.size();
}
{
std::lock_guard<std::mutex> lock(_closeDataMutex);
_closeCode = code;
_closeReason = reason;
_closeWireSize = closeWireSize;
_closeRemote = remote;
}
setCloseReason(reason);
_closeCode = code;
_closeWireSize = closeWireSize;
_closeRemote = remote;
{
std::lock_guard<std::mutex> lock(_closingTimePointMutex);
_closingTimePoint = std::chrono::steady_clock::now();
@ -1161,4 +1151,15 @@ namespace ix
return true;
}
void WebSocketTransport::setCloseReason(const std::string& reason)
{
std::lock_guard<std::mutex> lock(_closeReasonMutex);
_closeReason = reason;
}
const std::string& WebSocketTransport::getCloseReason() const
{
std::lock_guard<std::mutex> lock(_closeReasonMutex);
return _closeReason;
}
} // namespace ix