diff options
| -rw-r--r-- | examples/network/loopback/dialog.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/examples/network/loopback/dialog.cpp b/examples/network/loopback/dialog.cpp index 27cff31..b504e36 100644 --- a/examples/network/loopback/dialog.cpp +++ b/examples/network/loopback/dialog.cpp @@ -44,12 +44,12 @@ #include "dialog.h" -#if !defined(Q_OS_WINCE) +#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN) static const int TotalBytes = 50 * 1024 * 1024; #else static const int TotalBytes = 5 * 1024 * 1024; #endif -static const int PayloadSize = 65536; +static const int PayloadSize = 64 * 1024; // 64 KB Dialog::Dialog(QWidget *parent) : QDialog(parent) @@ -130,6 +130,7 @@ void Dialog::acceptConnection() void Dialog::startTransfer() { + // called when the TCP client connected to the loopback server bytesToWrite = TotalBytes - (int)tcpClient.write(QByteArray(PayloadSize, '@')); clientStatusLabel->setText(tr("Connected")); } @@ -155,8 +156,11 @@ void Dialog::updateServerProgress() void Dialog::updateClientProgress(qint64 numBytes) { + // callen when the TCP client has written some bytes bytesWritten += (int)numBytes; - if (bytesToWrite > 0) + + // only write more if not finished and when the Qt write buffer is below a certain size. + if (bytesToWrite > 0 && tcpClient.bytesToWrite() <= 4*PayloadSize) bytesToWrite -= (int)tcpClient.write(QByteArray(qMin(bytesToWrite, PayloadSize), '@')); clientProgressBar->setMaximum(TotalBytes); |