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author | Liang Qi <liang.qi@qt.io> | 2017-03-02 09:04:38 +0100 |
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committer | Liang Qi <liang.qi@qt.io> | 2017-03-02 09:04:38 +0100 |
commit | 71264bae08d81bdeceb96133fdb01c370504dfcc (patch) | |
tree | d5dadaac8209d5ef1857a4d65197b9ee12b39848 /src/network/socket/qnativesocketengine_win.cpp | |
parent | 5e785c0b83c9908c665f253c131629ac325a21f5 (diff) | |
parent | 6d10f739cd750968d0dd0e9d8fa4b64353a86c6c (diff) |
Merge remote-tracking branch 'origin/5.9' into dev
Change-Id: I84097f8e7b3b2128028bd7693c913d6968b82bfe
Diffstat (limited to 'src/network/socket/qnativesocketengine_win.cpp')
-rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index 9e43265e59..2088d3927e 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -953,10 +953,16 @@ static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d, if (iface.isValid()) { const QList<QNetworkAddressEntry> addressEntries = iface.addressEntries(); - if (!addressEntries.isEmpty()) { - QHostAddress firstIP = addressEntries.first().ip(); - mreq4.imr_interface.s_addr = htonl(firstIP.toIPv4Address()); - } else { + bool found = false; + for (const QNetworkAddressEntry &entry : addressEntries) { + const QHostAddress ip = entry.ip(); + if (ip.protocol() == QAbstractSocket::IPv4Protocol) { + mreq4.imr_interface.s_addr = htonl(ip.toIPv4Address()); + found = true; + break; + } + } + if (!found) { d->setError(QAbstractSocket::NetworkError, QNativeSocketEnginePrivate::NetworkUnreachableErrorString); return false; |