wasm: return amount of bytes sent

Since we do not know how many bytes were sent until the
asynchronous send callback has been called, we just
assume all bytes have been send if the call returns successful.

Fixes: QTBUG-110951
Pick-to: 6.4 6.5
Change-Id: I1c21d23e278b0e48ac0c73e4ea5a7dccfbd5e198
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/websockets/qwebsocket_wasm_p.cpp b/src/websockets/qwebsocket_wasm_p.cpp
index 9e73e1d..c861fcf 100644
--- a/src/websockets/qwebsocket_wasm_p.cpp
+++ b/src/websockets/qwebsocket_wasm_p.cpp
@@ -80,9 +80,12 @@ qint64 QWebSocketPrivate::sendTextMessage(const QString &message)
     emscripten_websocket_get_ready_state(m_socketContext, &m_readyState);
 
     if (m_readyState == 1) {
-        result = emscripten_websocket_send_utf8_text(m_socketContext, message.toUtf8());
+        QByteArray messageArray = message.toUtf8();
+        result = emscripten_websocket_send_utf8_text(m_socketContext, messageArray);
         if (result < 0)
             emitErrorOccurred(QAbstractSocket::UnknownSocketError);
+        else
+            return messageArray.length();
     } else
         qWarning() << "Could not send message. Websocket is not open";
 
@@ -99,6 +102,8 @@ qint64 QWebSocketPrivate::sendBinaryMessage(const QByteArray &data)
                 data.size());
         if (result < 0)
             emitErrorOccurred(QAbstractSocket::UnknownSocketError);
+        else
+            return data.size();
     } else
         qWarning() << "Could not send message. Websocket is not open";