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contain QSharedMemory for local server port to reader
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parent
27db69207d
commit
7373bb6817
4 changed files with 161 additions and 173 deletions
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@ -181,8 +181,7 @@ void AssignmentClient::sendAssignmentRequest() {
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if (_assignmentServerHostname == "localhost") {
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// we want to check again for the local domain-server port in case the DS has restarted
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quint16 localAssignmentServerPort;
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if (nodeList->getLocalServerPortFromSharedMemory(DOMAIN_SERVER_LOCAL_PORT_SMEM_KEY, _localASPortSharedMem,
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localAssignmentServerPort)) {
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if (nodeList->getLocalServerPortFromSharedMemory(DOMAIN_SERVER_LOCAL_PORT_SMEM_KEY, localAssignmentServerPort)) {
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if (localAssignmentServerPort != _assignmentServerSocket.getPort()) {
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qDebug() << "Port for local assignment server read from shared memory is"
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<< localAssignmentServerPort;
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@ -762,22 +762,15 @@ void LimitedNodeList::putLocalPortIntoSharedMemory(const QString key, QObject* p
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}
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bool LimitedNodeList::getLocalServerPortFromSharedMemory(const QString key, QSharedMemory*& sharedMem,
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quint16& localPort) {
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if (!sharedMem) {
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sharedMem = new QSharedMemory(key, this);
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if (!sharedMem->attach(QSharedMemory::ReadOnly)) {
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bool LimitedNodeList::getLocalServerPortFromSharedMemory(const QString key, quint16& localPort) {
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QSharedMemory sharedMem(key);
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if (!sharedMem.attach(QSharedMemory::ReadOnly)) {
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qWarning() << "Could not attach to shared memory at key" << key;
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}
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}
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if (sharedMem->isAttached()) {
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sharedMem->lock();
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memcpy(&localPort, sharedMem->data(), sizeof(localPort));
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sharedMem->unlock();
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return false;
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} else {
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sharedMem.lock();
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memcpy(&localPort, sharedMem.data(), sizeof(localPort));
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sharedMem.unlock();
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return true;
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}
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return false;
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}
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@ -200,7 +200,7 @@ public:
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}
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void putLocalPortIntoSharedMemory(const QString key, QObject* parent, quint16 localPort);
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bool getLocalServerPortFromSharedMemory(const QString key, QSharedMemory*& sharedMem, quint16& localPort);
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bool getLocalServerPortFromSharedMemory(const QString key, quint16& localPort);
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public slots:
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void reset();
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@ -335,12 +335,8 @@ void NodeList::sendDomainServerCheckIn() {
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if (_domainHandler.getSockAddr().getAddress() == QHostAddress::LocalHost
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|| _domainHandler.getHostname() == "localhost") {
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static QSharedMemory* localDSPortSharedMem = NULL;
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quint16 domainPort = DEFAULT_DOMAIN_SERVER_PORT;
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getLocalServerPortFromSharedMemory(DOMAIN_SERVER_LOCAL_PORT_SMEM_KEY,
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localDSPortSharedMem,
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domainPort);
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getLocalServerPortFromSharedMemory(DOMAIN_SERVER_LOCAL_PORT_SMEM_KEY, domainPort);
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qCDebug(networking) << "Local domain-server port read from shared memory (or default) is" << domainPort;
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_domainHandler.setPort(domainPort);
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}
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