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Add test case for link local TCP connections 

The socket engines already implemented this, but it is a good idea
to test it explicitly.

Task-number: QTBUG-25634
Change-Id: Ife3fe09b0119ed435e4055523c553847739a09fe
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
bb10
Shane Kearns 2012-05-10 16:37:57 +01:00 committed by Qt by Nokia
parent 49e7ff443b
commit e5f77fe31b
1 changed files with 83 additions and 0 deletions
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83
tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
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@ -119,6 +119,8 @@ private slots:
void qtbug6305_data() { serverAddress_data(); }
void qtbug6305();
void linkLocal();
private:
#ifndef QT_NO_BEARERMANAGEMENT
QNetworkSession *networkSession;
@ -855,5 +857,86 @@ void tst_QTcpServer::qtbug6305()
QVERIFY(!server2.listen(listenAddress, server.serverPort())); // second listen should fail
}
void tst_QTcpServer::linkLocal()
{
QFETCH_GLOBAL(bool, setProxy);
if (setProxy)
return;
QList <QHostAddress> addresses;
QSet <QString> scopes;
QHostAddress localMaskv4("169.254.0.0");
QHostAddress localMaskv6("fe80::");
foreach (const QNetworkInterface& iface, QNetworkInterface::allInterfaces()) {
//Windows preallocates link local addresses to interfaces that are down.
//These may or may not work depending on network driver (they do not work for the Bluetooth PAN driver)
if (iface.flags() & QNetworkInterface::IsUp) {
foreach (QNetworkAddressEntry addressEntry, iface.addressEntries()) {
QHostAddress addr = addressEntry.ip();
if (addr.isInSubnet(localMaskv4, 16)) {
addresses << addr;
qDebug() << addr;
}
else if (!addr.scopeId().isEmpty() && addr.isInSubnet(localMaskv6, 64)) {
scopes << addr.scopeId();
addresses << addr;
qDebug() << addr;
}
}
}
}
if (addresses.isEmpty())
QSKIP("no link local addresses");
QList<QTcpServer*> servers;
quint16 port = 0;
foreach (const QHostAddress& addr, addresses) {
QTcpServer *server = new QTcpServer;
QVERIFY(server->listen(addr, port));
port = server->serverPort(); //listen to same port on different interfaces
servers << server;
}
QList<QTcpSocket*> clients;
foreach (const QHostAddress& addr, addresses) {
//unbound socket
QTcpSocket *socket = new QTcpSocket;
socket->connectToHost(addr, port);
QVERIFY(socket->waitForConnected(5000));
clients << socket;
//bound socket
socket = new QTcpSocket;
QVERIFY(socket->bind(addr));
socket->connectToHost(addr, port);
QVERIFY(socket->waitForConnected(5000));
clients << socket;
}
//each server should have two connections
foreach (QTcpServer* server, servers) {
QTcpSocket* remote;
//qDebug() << "checking for connections" << server->serverAddress() << ":" << server->serverPort();
QVERIFY(server->waitForNewConnection(5000));
QVERIFY(remote = server->nextPendingConnection());
remote->close();
delete remote;
if (!server->hasPendingConnections())
QVERIFY(server->waitForNewConnection(5000));
QVERIFY(remote = server->nextPendingConnection());
remote->close();
delete remote;
QVERIFY(!server->hasPendingConnections());
}
//Connecting to the same address with different scope should normally fail
//However it will pass if there are two interfaces connected to the same physical network,
//e.g. connected via wired and wireless interfaces, or two wired NICs.
//which is a reasonably common case.
//So this is not auto tested.
qDeleteAll(clients);
qDeleteAll(servers);
}
QTEST_MAIN(tst_QTcpServer)
#include "tst_qtcpserver.moc"