C++ StringSeq::empty方法代码示例

bool AgentAdapter::init(const ::Ice::StringSeq& defaultAgents,const bool is_udp_protocol, const bool is_compress)
{  
    if (defaultAgents.empty())
    {
        XLOG_ERROR("AgentAdapter::init defaultAgent is empty!");
        return false;
    }

    srand(unsigned(time(NULL)));
    Ice::PropertiesPtr props=Ice::createProperties();
    props->setProperty("Ice.MessageSizeMax", ICE_MESSAGE_SIZE_MAX);
    props->setProperty("Ice.Override.Timeout", ICE_TIMEOUT_MILLISECONDS);
	Ice::InitializationData id;
    id.properties=props;
    _ic = ::Ice::initialize(id);

    srand((unsigned) time(NULL));
    current_agent_prx_number=0;

    std::vector<slice::AgentPrx> _prxs;
    for (::Ice::StringSeq::const_iterator it = defaultAgents.begin(); it != defaultAgents.end();
            ++it)
    {
        slice::AgentPrx prx = Util::getPrx<slice::AgentPrx>(_ic, *it, is_udp_protocol, 1000, is_compress);
	_prxs.push_back(prx);
    }
    agent_prxs.swap(_prxs);

    return true;
}

void
LibraryI::remove(const BookDescription& description)
{
    IceUtil::Mutex::Lock lock(*this);
    
    //
    // Note: no need to catch and retry on deadlock since all access to
    // _authors is serialized.
    //

    try
    {
        StringIsbnSeqDict::iterator p = _authors.find(description.authors);
        
        assert(p != _authors.end());

        //
        // Remove the isbn number from the sequence.
        //
        Ice::StringSeq isbnSeq  = p->second;
        isbnSeq.erase(remove_if(isbnSeq.begin(), isbnSeq.end(), bind2nd(equal_to<string>(), description.isbn)),
                         isbnSeq.end());
        
        if(isbnSeq.empty())
        {
            //
            // If there are no further associated isbn numbers then remove
            // the record.
            //
            _authors.erase(p);
        }
        else
        {
            //
            // Otherwise, write back the new record.
            //
            p.set(isbnSeq);
        }

        //
        // This can throw EvictorDeactivatedException (which indicates
        // an internal error). The exception is currently ignored.
        //
        _evictor->remove(createBookIdentity(description.isbn));
    }
    catch(const Freeze::DatabaseException& ex)
    {
        DatabaseException e;
        e.message = ex.message;
        throw e;
    }
}

int
Activator::activate(const string& name,
                    const string& exePath,
                    const string& pwdPath,
#ifndef _WIN32
                    uid_t uid,
                    gid_t gid,
#endif
                    const Ice::StringSeq& options,
                    const Ice::StringSeq& envs,
                    const ServerIPtr& server)
{
    IceUtil::Monitor< IceUtil::Mutex>::Lock sync(*this);

    if(_deactivating)
    {
        throw string("The node is being shutdown.");
    }

    string path = exePath;
    if(path.empty())
    {
        throw string("The server executable path is empty.");
    }

    string pwd = IcePatch2Internal::simplify(pwdPath);
#ifdef _WIN32
    if(!IceUtilInternal::isAbsolutePath(path))
    {
        if(path.find('/') == string::npos)
        {
            //
            // Get the absolute pathname of the executable.
            //
            wchar_t absbuf[_MAX_PATH];
            wchar_t* fPart;
            wstring ext = path.size() <= 4 || path[path.size() - 4] != '.' ? L".exe" : L"";

            //
            // IceGrid doesn't support to use string converters, so don't need to use
            // any string converter in wstringToString conversions.
            //
            if(SearchPathW(NULL, IceUtil::stringToWstring(path).c_str(), ext.c_str(), _MAX_PATH, absbuf, &fPart) == 0)
            {
                if(_traceLevels->activator > 0)
                {
                    Trace out(_traceLevels->logger, _traceLevels->activatorCat);
                    out << "couldn't find `" << path << "' executable.";
                }
                throw string("Couldn't find `" + path + "' executable.");
            }
            path = IceUtil::wstringToString(absbuf);
        }
        else if(!pwd.empty())
        {
            path = pwd + "/" + path;
        }
    }

    //
    // Get the absolute pathname of the working directory.
    //
    // IceGrid doesn't support to use string converters, so
    // don't need to use any string converter in stringToWstring
    // conversions.
    //
    if(!pwd.empty())
    {
        wchar_t absbuf[_MAX_PATH];
        if(_wfullpath(absbuf, IceUtil::stringToWstring(pwd).c_str(), _MAX_PATH) == NULL)
        {
            if(_traceLevels->activator > 0)
            {
                Trace out(_traceLevels->logger, _traceLevels->activatorCat);
                out << "cannot convert `" << pwd << "' into an absolute path";
            }
            throw string("The server working directory path `" + pwd + "' can't be converted into an absolute path.");
        }
        pwd = IceUtil::wstringToString(absbuf);
    }
#endif

    //
    // Setup arguments.
    //
    StringSeq args;
    args.push_back(path);
    args.insert(args.end(), options.begin(), options.end());

    if(_traceLevels->activator > 0)
    {
        Ice::Trace out(_traceLevels->logger, _traceLevels->activatorCat);
        out << "activating server `" << name << "'";
        if(_traceLevels->activator > 1)
        {
            out << "\n";
            out << "path = " << path << "\n";
            if(pwd.empty())
            {
                string cwd;
//.........这里部分代码省略.........

void
allTests(const Ice::CommunicatorPtr& communicator)
{
    string ref = "DemoIceBox/admin:default -p 9996 -t 10000";
    Ice::ObjectPrx admin = communicator->stringToProxy(ref);

    TestFacetPrx facet;

    cout << "testing custom facet... " << flush;
    {
        //
        // Test: Verify that the custom facet is present.
        //
        facet = Test::TestFacetPrx::checkedCast(admin, "TestFacet");
        facet->ice_ping();
    }
    cout << "ok" << endl;

    cout << "testing properties facet... " << flush;
    {
        Ice::PropertiesAdminPrx pa =
            Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");

        //
        // Test: PropertiesAdmin::getProperty()
        //
        test(pa->getProperty("Prop1") == "1");
        test(pa->getProperty("Bogus") == "");

        //
        // Test: PropertiesAdmin::getProperties()
        //
        Ice::PropertyDict pd = pa->getPropertiesForPrefix("");
        test(pd.size() == 5);
        test(pd["Prop1"] == "1");
        test(pd["Prop2"] == "2");
        test(pd["Prop3"] == "3");
        test(pd["Ice.Config"] == "config.service");
        test(pd["Ice.ProgramName"] == "IceBox-TestService");

        Ice::PropertyDict changes;

        //
        // Test: PropertiesAdmin::setProperties()
        //
        Ice::PropertyDict setProps;
        setProps["Prop1"] = "10"; // Changed
        setProps["Prop2"] = "20"; // Changed
        setProps["Prop3"] = ""; // Removed
        setProps["Prop4"] = "4"; // Added
        setProps["Prop5"] = "5"; // Added
        pa->setProperties(setProps);
        test(pa->getProperty("Prop1") == "10");
        test(pa->getProperty("Prop2") == "20");
        test(pa->getProperty("Prop3") == "");
        test(pa->getProperty("Prop4") == "4");
        test(pa->getProperty("Prop5") == "5");
        changes = facet->getChanges();
        test(changes.size() == 5);
        test(changes["Prop1"] == "10");
        test(changes["Prop2"] == "20");
        test(changes["Prop3"] == "");
        test(changes["Prop4"] == "4");
        test(changes["Prop5"] == "5");
        pa->setProperties(setProps);
        changes = facet->getChanges();
        test(changes.empty());
    }
    cout << "ok" << endl;

    cout << "testing metrics admin facet... " << flush;
    {
        IceMX::MetricsAdminPrx ma = IceMX::MetricsAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Metrics");

        Ice::PropertiesAdminPrx pa =
            Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");

        Ice::StringSeq views;
        Ice::StringSeq disabledViews;
        views = ma->getMetricsViewNames(disabledViews);
        test(views.empty());

        Ice::PropertyDict setProps;
        setProps["IceMX.Metrics.Debug.GroupBy"] = "id";
        setProps["IceMX.Metrics.All.GroupBy"] = "none";
        setProps["IceMX.Metrics.Parent.GroupBy"] = "parent";
        pa->setProperties(setProps);
        pa->setProperties(Ice::PropertyDict());

        views = ma->getMetricsViewNames(disabledViews);
        test(views.size() == 3);
        
        // Make sure that the IceBox communicator metrics admin is a separate instance.
        test(IceMX::MetricsAdminPrx::checkedCast(admin, "Metrics")->getMetricsViewNames(disabledViews).empty());
    }
    cout << "ok" << endl;
}

MetricsPrx
allTests(const Ice::CommunicatorPtr& communicator, const CommunicatorObserverIPtr& obsv)
{
    MetricsPrx metrics = MetricsPrx::checkedCast(communicator->stringToProxy("metrics:default -p 12010"));

    cout << "testing metrics admin facet checkedCast... " << flush;
    Ice::ObjectPrx admin = communicator->getAdmin()->ice_collocationOptimized(false);
    Ice::PropertiesAdminPrx clientProps = Ice::PropertiesAdminPrx::checkedCast(admin, "Properties");
    IceMX::MetricsAdminPrx clientMetrics = IceMX::MetricsAdminPrx::checkedCast(admin, "Metrics");
    test(clientProps && clientMetrics);

    admin = metrics->getAdmin();
    Ice::PropertiesAdminPrx serverProps = Ice::PropertiesAdminPrx::checkedCast(admin, "Properties");
    IceMX::MetricsAdminPrx serverMetrics = IceMX::MetricsAdminPrx::checkedCast(admin, "Metrics");
    test(serverProps && serverMetrics);

    UpdateCallbackI* update = new UpdateCallbackI(serverProps);
    Ice::NativePropertiesAdminPtr::dynamicCast(communicator->findAdminFacet("Properties"))->addUpdateCallback(update);

    cout << "ok" << endl;

    Ice::PropertyDict props;

    cout << "testing group by none..." << flush;

    props["IceMX.Metrics.View.GroupBy"] = "none";
    updateProps(clientProps, serverProps, update, props);
    
#ifndef ICE_OS_WINRT
    int threadCount = 4;
#else
    int threadCount = 3; // No endpoint host resolver thread with WinRT.
#endif

    Ice::Long timestamp;
    IceMX::MetricsView view = clientMetrics->getMetricsView("View", timestamp);
    test(view["Connection"].size() == 1 && view["Connection"][0]->current == 1 && view["Connection"][0]->total == 1);
    test(view["Thread"].size() == 1 && view["Thread"][0]->current == threadCount && 
         view["Thread"][0]->total == threadCount);
    cout << "ok" << endl;

    cout << "testing group by id..." << flush;

    props["IceMX.Metrics.View.GroupBy"] = "id";
    updateProps(clientProps, serverProps, update, props);

    metrics->ice_ping();
    metrics->ice_ping();
    metrics->ice_connectionId("Con1")->ice_ping();
    metrics->ice_connectionId("Con1")->ice_ping();
    metrics->ice_connectionId("Con1")->ice_ping();

    view = clientMetrics->getMetricsView("View", timestamp);
    test(static_cast<int>(view["Thread"].size()) == threadCount);
    test(view["Connection"].size() == 2);
    test(view["Invocation"].size() == 1);

    IceMX::InvocationMetricsPtr invoke = IceMX::InvocationMetricsPtr::dynamicCast(view["Invocation"][0]);
    test(invoke->id.find("[ice_ping]") > 0 && invoke->current == 0 && invoke->total == 5);

    test(invoke->remotes.size() == 2);
    test(invoke->remotes[0]->total = 2);
    test(invoke->remotes[1]->total = 3);

    view = serverMetrics->getMetricsView("View", timestamp);
    test(view["Thread"].size() > 4);
    test(view["Connection"].size() == 2);
    test(view["Dispatch"].size() == 1);
    test(view["Dispatch"][0]->current <= 1 && view["Dispatch"][0]->total == 5);
    test(view["Dispatch"][0]->id.find("[ice_ping]") > 0);

    metrics->ice_getConnection()->close(false);
    metrics->ice_connectionId("Con1")->ice_getConnection()->close(false);

    waitForCurrent(clientMetrics, "View", "Connection", 0);
    waitForCurrent(serverMetrics, "View", "Connection", 0);

    clearView(clientProps, serverProps, update);
    
    cout << "ok" << endl;

    cout << "testing connection metrics... " << flush;

    props["IceMX.Metrics.View.Map.Connection.GroupBy"] = "none";
    updateProps(clientProps, serverProps, update, props, "Connection");

    test(clientMetrics->getMetricsView("View", timestamp)["Connection"].empty());
    test(serverMetrics->getMetricsView("View", timestamp)["Connection"].empty());

    metrics->ice_ping();

    IceMX::ConnectionMetricsPtr cm1, sm1, cm2, sm2;
    cm1 = IceMX::ConnectionMetricsPtr::dynamicCast(clientMetrics->getMetricsView("View", timestamp)["Connection"][0]);
    sm1 = IceMX::ConnectionMetricsPtr::dynamicCast(serverMetrics->getMetricsView("View", timestamp)["Connection"][0]);
    sm1 = getServerConnectionMetrics(serverMetrics, 25);
    test(cm1->total == 1 && sm1->total == 1);

    metrics->ice_ping();

    cm2 = IceMX::ConnectionMetricsPtr::dynamicCast(clientMetrics->getMetricsView("View", timestamp)["Connection"][0]);
//.........这里部分代码省略.........

bool
NodeI::canRemoveServerDirectory(const string& name)
{
    //
    // Check if there's files which we didn't create.
    //
    Ice::StringSeq c = readDirectory(_serversDir + "/" + name);
    set<string> contents(c.begin(), c.end());
    contents.erase("dbs");
    contents.erase("config");
    contents.erase("distrib");
    contents.erase("revision");
    contents.erase("data");
    Ice::StringSeq serviceDataDirs;
    for(set<string>::const_iterator p = contents.begin(); p != contents.end(); ++p)
    {
        if(p->find("data_") != 0)
        {
            return false;
        }
        serviceDataDirs.push_back(*p);
    }
    if(!contents.empty())
    {
        return false;
    }

    c = readDirectory(_serversDir + "/" + name + "/config");
    for(Ice::StringSeq::const_iterator p = c.begin() ; p != c.end(); ++p)
    {
        if(p->find("config") != 0)
        {
            return false;
        }
    }

    if(IceUtilInternal::directoryExists(_serversDir + "/" + name + "/dbs"))
    {
        c = readDirectory(_serversDir + "/" + name + "/dbs");
        for(Ice::StringSeq::const_iterator p = c.begin() ; p != c.end(); ++p)
        {
            try
            {
                Ice::StringSeq files = readDirectory(_serversDir + "/" + name + "/dbs/" + *p);
                files.erase(remove(files.begin(), files.end(), "DB_CONFIG"), files.end());
                files.erase(remove(files.begin(), files.end(), "__Freeze"), files.end());
                if(!files.empty())
                {
                    return false;
                }
            }
            catch(const string&)
            {
                return false;
            }
        }
    }

    if(IceUtilInternal::directoryExists(_serversDir + "/" + name + "/data"))
    {
        if(!readDirectory(_serversDir + "/" + name + "/data").empty())
        {
            return false;
        }
    }

    for(Ice::StringSeq::const_iterator p = serviceDataDirs.begin(); p != serviceDataDirs.end(); ++p)
    {
        try
        {
            if(!readDirectory(_serversDir + "/" + name + "/" + *p).empty())
            {
                return false;
            }
        }
        catch(const string&)
        {
            return false;
        }
    }
    return true;
}

void
logTests(const Ice::CommunicatorPtr& comm, const AdminSessionPrx& session)
{
    cout << "testing stderr/stdout/log files... " << flush;
    string testDir = comm->getProperties()->getProperty("TestDir");
    assert(!testDir.empty());
    try
    {
        session->openServerStdErr("LogServer", -1);
        test(false);
    }
    catch(const FileNotAvailableException&)
    {
    }
    try
    {
        session->openServerStdOut("LogServer", -1);
        test(false);
    }
    catch(const FileNotAvailableException&)
    {
    }
    try
    {
        session->openServerLog("LogServer", "unknown.txt", -1);
        test(false);
    }
    catch(const FileNotAvailableException&)
    {
    }

    Ice::ObjectPrx obj = TestIntfPrx::checkedCast(comm->stringToProxy("LogServer"));
    try
    {
        session->openServerStdErr("LogServer", -1)->destroy();
        session->openServerStdOut("LogServer", -1)->destroy();
    }
    catch(const FileNotAvailableException& ex)
    {
        cerr << ex.reason << endl;
        test(false);
    }

    FileIteratorPrx it;
    Ice::StringSeq lines;
    try
    {
        //
        // Test with empty file.
        //
        string path = testDir + "/log1.txt";
        ofstream os(path.c_str());
        os.close();

        it = session->openServerLog("LogServer", testDir + "/log1.txt", -1);
        test(it->read(1024, lines) && lines.empty());
        test(it->read(1024, lines) && lines.empty());
        it->destroy();

        it = session->openServerLog("LogServer", testDir + "/log1.txt", 0);
        test(it->read(1024, lines) && lines.empty());
        test(it->read(1024, lines) && lines.empty());
        it->destroy();

        it = session->openServerLog("LogServer", testDir + "/log1.txt", 100);
        test(it->read(1024, lines) && lines.empty());
        test(it->read(1024, lines) && lines.empty());
        it->destroy();
    }
    catch(const FileNotAvailableException& ex)
    {
        cerr << ex.reason << endl;
        test(false);
    }

    try
    {
        //
        // Test with log file with one line with no EOL on last line.
        //
        string path = testDir + "/log2.txt";
        ofstream os(path.c_str());
        os << "one line file with no EOL on last line";
        os.close();

        it = session->openServerLog("LogServer", testDir + "/log2.txt", -1);
        test(it->read(1024, lines) && lines.size() == 1);
        test(lines[0] == "one line file with no EOL on last line");
        test(it->read(1024, lines) && lines.empty());
        it->destroy();

        it = session->openServerLog("LogServer", testDir + "/log2.txt", 0);
        test(it->read(1024, lines) && lines.empty());
        test(it->read(1024, lines) && lines.empty());
        it->destroy();

        it = session->openServerLog("LogServer", testDir + "/log2.txt", 1);
        test(it->read(1024, lines) && lines.size() == 1);
        test(lines[0] == "one line file with no EOL on last line");
        test(it->read(1024, lines) && lines.empty());
//.........这里部分代码省略.........