Beispiel #1
0
void usage()
{
    printf("dafilesrv usage:\n");
    printf("    dafilesrv -T<n> <port> [<send-buff-size-kb> <recv-buff-size-kb>]\n");
    printf("                                                  -- run test local\n");
    printf("    dafilesrv -D [ -L <log-dir> ] [ -LOCAL ]      -- run as linux daemon\n");
    printf("    dafilesrv -R                                  -- run remote (linux daemon, windows standalone)\n");
    printf("    dafilesrv -install                            -- install windows service\n");
    printf("    dafilesrv -remove                             -- remove windows service\n\n");
    
    printf("add -A to enable authentication to the above \n\n");
    printf("Standard port is %d\n",DAFILESRV_PORT);
    printf("Version:  %s\n\n",remoteServerVersionString());
}
Beispiel #2
0
void usage()
{
    printf("dafilesrv usage:\n");
    printf("    dafilesrv -T<n> <port> <-NOSSL> [<send-buff-size-kb> <recv-buff-size-kb>]\n");
    printf("                                                  -- run test local\n");
    printf("    dafilesrv -D [ -L <log-dir> ] [ -LOCAL ]      -- run as linux daemon\n");
    printf("    dafilesrv -R                                  -- run remote (linux daemon, windows standalone)\n");
    printf("    dafilesrv -install                            -- install windows service\n");
    printf("    dafilesrv -remove                             -- remove windows service\n\n");
    
    printf("add -A to enable authentication to the above \n\n");
    printf("add -I <instance name>  to specify an instance name\n\n");
    printf("add -NOSSL to disable SSL sockets, even when specified in configuration\n\n");
    printf("Standard port is %d\n",DAFILESRV_PORT);
    printf("Standard SSL port is %d (certificate specs required in environment.conf)\n",SECURE_DAFILESRV_PORT);
    printf("Version:  %s\n\n",remoteServerVersionString());
}
 void run()
 {
     // Get params from HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DaFileSrv\Parameters
     
     int requireauthenticate=0;
     HKEY hkey;
     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                      "SYSTEM\\CurrentControlSet\\Services\\DaFileSrv\\Parameters",
                      0,
                      KEY_QUERY_VALUE,
                      &hkey) == ERROR_SUCCESS) {
         DWORD dwType = 0;
         DWORD dwSize = sizeof(requireauthenticate);
         RegQueryValueEx(hkey,
                         "RequireAuthentication",
                         NULL,
                         &dwType,
                         (BYTE*)&requireauthenticate,
                         &dwSize);
         RegCloseKey(hkey);
     }
     StringBuffer eps;
     if (listenep.isNull())
         eps.append(listenep.port);
     else
         listenep.getUrlStr(eps);
     enableDafsAuthentication(requireauthenticate!=0);
     PROGLOG("Opening " DAFS_SERVICE_DISPLAY_NAME " on %s%s", useSSL?"SECURE ":"",eps.str());
     const char * verstring = remoteServerVersionString();
     PROGLOG("Version: %s", verstring);
     PROGLOG("Authentication:%s required",requireauthenticate?"":" not");
     PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Running");
     server.setown(createRemoteFileServer(maxThreads, maxThreadsDelayMs, maxAsyncCopy));
     server->setThrottle(ThrottleStd, parallelRequestLimit, throttleDelayMs, throttleCPULimit);
     server->setThrottle(ThrottleSlow, parallelSlowRequestLimit, throttleSlowDelayMs, throttleSlowCPULimit);
     try {
         server->run(listenep, useSSL);
     }
     catch (IException *e) {
         EXCLOG(e,DAFS_SERVICE_NAME);
         e->Release();
     }
     PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Stopped");
     stopped = true;
 }
Beispiel #4
0
int main(int argc,char **argv) 
{
    InitModuleObjects();
    EnableSEHtoExceptionMapping();
#ifndef __64BIT__
    // Restrict stack sizes on 32-bit systems
    Thread::setDefaultStackSize(0x10000);   // 64K stack (also set in windows DSP)
#endif
    Owned<IFile> sentinelFile = createSentinelTarget();
    removeSentinelFile(sentinelFile);

    SocketEndpoint listenep;
    unsigned sendbufsize = 0;
    unsigned recvbufsize = 0;
    int i = 1;
    bool isdaemon = (memicmp(argv[0]+strlen(argv[0])-4,".exe",4)==0);
    // bit of a kludge for windows - if .exe not specified then not daemon
    bool locallisten = false;
    const char *logdir=NULL;
    bool requireauthenticate = false;
    StringBuffer logDir;
    StringBuffer instanceName;

   //Get SSL Settings
    const char *    sslCertFile;
    bool            useSSL;
    unsigned short  dafsPort;//DAFILESRV_PORT or SECURE_DAFILESRV_PORT
    querySecuritySettings(&useSSL, &dafsPort, &sslCertFile, NULL);

    unsigned parallelRequestLimit = DEFAULT_PARALLELREQUESTLIMIT;
    unsigned throttleDelayMs = DEFAULT_THROTTLEDELAYMS;
    unsigned throttleCPULimit = DEFAULT_THROTTLECPULIMIT;

    Owned<IPropertyTree> env = getHPCCEnvironment();
    if (env)
    {
        StringBuffer dafilesrvPath("Software/DafilesrvProcess");
        if (instanceName.length())
            dafilesrvPath.appendf("[@name=\"%s\"]", instanceName.str());
        IPropertyTree *daFileSrv = env->queryPropTree(dafilesrvPath);
        if (daFileSrv)
        {
            // global DaFileSrv settings:
            parallelRequestLimit = daFileSrv->getPropInt("@parallelRequestLimit", DEFAULT_PARALLELREQUESTLIMIT);
            throttleDelayMs = daFileSrv->getPropInt("@throttleDelayMs", DEFAULT_THROTTLEDELAYMS);
            throttleCPULimit = daFileSrv->getPropInt("@throttleCPULimit", DEFAULT_THROTTLECPULIMIT);

            // any overrides by Instance definitions?
            // NB: This won't work if netAddress is "." or if we start supporting hostnames there
            StringBuffer ipStr;
            queryHostIP().getIpText(ipStr);
            VStringBuffer daFileSrvPath("Instance[@netAddress=\"%s\"]", ipStr.str());
            IPropertyTree *dafileSrvInstance = daFileSrv->queryPropTree(daFileSrvPath);
            if (dafileSrvInstance)
            {
                parallelRequestLimit = dafileSrvInstance->getPropInt("@parallelRequestLimit", parallelRequestLimit);
                throttleDelayMs = dafileSrvInstance->getPropInt("@throttleDelayMs", throttleDelayMs);
                throttleCPULimit = dafileSrvInstance->getPropInt("@throttleCPULimit", throttleCPULimit);
            }
        }
    }

    while (argc>i) {
        if (stricmp(argv[i],"-D")==0) {
            i++;
            isdaemon = true;
        }
        else if (stricmp(argv[i],"-R")==0) { // for remote run
            i++;
#ifdef _WIN32
            isdaemon = false;
#else
            isdaemon = true;
#endif
        }
        else if (stricmp(argv[i],"-A")==0) { 
            i++;
            requireauthenticate = true;
        }
        else if ((argv[i][0]=='-')&&(toupper(argv[i][1])=='T')&&(!argv[i][2]||isdigit(argv[i][2]))) {
            if (argv[i][2])
                setDafsTrace(NULL,(byte)atoi(argv[i]+2));
            i++;
            isdaemon = false;
        }
        else if ((argc>i+1)&&(stricmp(argv[i],"-L")==0)) { 
            i++;
            logDir.clear().append(argv[i++]);
        }
        else if ((argc>i+1)&&(stricmp(argv[i],"-I")==0)) {
            i++;
            instanceName.clear().append(argv[i++]);
        }
        else if (stricmp(argv[i],"-LOCAL")==0) { 
            i++;
            locallisten = true;
        }
        else if (stricmp(argv[i],"-NOSSL")==0) {//overrides config setting
            i++;
            if (useSSL)
            {
                PROGLOG("DaFileSrv SSL specified in config but overridden by -NOSSL in command line");
                useSSL = false;
                dafsPort = DAFILESRV_PORT;
            }
        }
        else
            break;
    }

    if (useSSL && !sslCertFile)
    {
        ERRLOG("DaFileSrv SSL specified but certificate file information missing from environment.conf");
        exit(-1);
    }

    if (0 == logDir.length())
    {
        getConfigurationDirectory(NULL,"log","dafilesrv",instanceName.str(),logDir);
        if (0 == logDir.length())
            logDir.append(".");
    }
    if (instanceName.length())
    {
        addPathSepChar(logDir);
        logDir.append(instanceName.str());
    }

#ifdef _WIN32
    if ((argc>i)&&(stricmp(argv[i],"-install")==0)) {
        if (installService(DAFS_SERVICE_NAME,DAFS_SERVICE_DISPLAY_NAME,NULL)) {
            PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Installed");
            return 0;
        }
        return 1;
    }
    if ((argc>i)&&(stricmp(argv[i],"-remove")==0)) {
        if (uninstallService(DAFS_SERVICE_NAME,DAFS_SERVICE_DISPLAY_NAME)) {
            PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Uninstalled");
            return 0;
        }
        return 1;
    }
#endif
    if (argc == i)
        listenep.port = dafsPort;
    else {
        if (strchr(argv[i],'.')||!isdigit(argv[i][0]))
            listenep.set(argv[i], dafsPort);
        else
            listenep.port = atoi(argv[i]);
        if (listenep.port==0) {
            usage();
            exit(-1);
        }
        sendbufsize = (argc>i+1)?(atoi(argv[i+1])*1024):0;
        recvbufsize = (argc>i+2)?(atoi(argv[i+2])*1024):0;
    }
    if (isdaemon) {
#ifdef _WIN32
        class cserv: public CService
        {
            bool stopped;
            bool started;
            SocketEndpoint listenep;
            bool useSSL;
            bool requireauthenticate;

            
            class cpollthread: public Thread
                
            {
                cserv *parent;
            public:
                cpollthread( cserv *_parent ) 
                : Thread("CService::cpollthread"), parent(_parent) 
                {
                }
                int run() 
                { 
                    while (parent->poll())
                        Sleep(1000);
                    return 1;
                }
            } pollthread;
            Owned<IRemoteFileServer> server;

        public:

            cserv(SocketEndpoint _listenep, bool _useSSL)
                : listenep(_listenep),useSSL(_useSSL),pollthread(this)
            {
                stopped = false;
                started = false;
            }

            virtual ~cserv()
            {
                stopped = true;
                if (started)
                    pollthread.join();
            }

            bool init()
            {
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Initialized");
                started = true;
                pollthread.start();
                return true;
            }

            bool poll()
            {
                if (stopped||!running()) {
                    PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Stopping");
                    if (server) {
                        server->stop();
                        server.clear();
                    }
                    return false;
                }
                return true;
            }

            void run()
            {
                // Get params from HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DaFileSrv\Parameters
                
                int requireauthenticate=0;
                HKEY hkey;
                if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                                 "SYSTEM\\CurrentControlSet\\Services\\DaFileSrv\\Parameters",
                                 0,
                                 KEY_QUERY_VALUE,
                                 &hkey) == ERROR_SUCCESS) {
                    DWORD dwType = 0;
                    DWORD dwSize = sizeof(requireauthenticate);
                    RegQueryValueEx(hkey,
                                    "RequireAuthentication",
                                    NULL,
                                    &dwType,
                                    (BYTE*)&requireauthenticate,
                                    &dwSize);
                    RegCloseKey(hkey);
                }
                StringBuffer eps;
                if (listenep.isNull())
                    eps.append(listenep.port);
                else
                    listenep.getUrlStr(eps);
                enableDafsAuthentication(requireauthenticate!=0);
                PROGLOG("Opening " DAFS_SERVICE_DISPLAY_NAME " on %s%s", useSSL?"SECURE ":"",eps.str());
                const char * verstring = remoteServerVersionString();
                PROGLOG("Version: %s", verstring);
                PROGLOG("Authentication:%s required",requireauthenticate?"":" not");
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Running");
                server.setown(createRemoteFileServer(parallelRequestLimit, throttleDelayMs, throttleCPULimit));
                try {
                    server->run(listenep, useSSL);
                }
                catch (IException *e) {
                    EXCLOG(e,DAFS_SERVICE_NAME);
                    e->Release();
                }
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Stopped");
                stopped = true;
            }
        } service(listenep, useSSL);
        service.start();
        return 0;
#else
        int ret = initDaemon();
        if (ret)
            return ret;
#endif
    }
    {
        Owned<IComponentLogFileCreator> lf = createComponentLogFileCreator(logDir.str(), "DAFILESRV");
        lf->setCreateAliasFile(false);
        lf->setMaxDetail(TopDetail);
        lf->beginLogging();
    }

    PROGLOG("Parallel request limit = %d, throttleDelayMs = %d, throttleCPULimit = %d", parallelRequestLimit, throttleDelayMs, throttleCPULimit);

    const char * verstring = remoteServerVersionString();
    StringBuffer eps;
    if (listenep.isNull())
        eps.append(listenep.port);
    else
        listenep.getUrlStr(eps);
    enableDafsAuthentication(requireauthenticate);
    PROGLOG("Opening Dali File Server on %s%s", useSSL?"SECURE ":"",eps.str());
    PROGLOG("Version: %s", verstring);
    PROGLOG("Authentication:%s required",requireauthenticate?"":" not");
    startPerformanceMonitor(10*60*1000, PerfMonStandard);
    server.setown(createRemoteFileServer(parallelRequestLimit, throttleDelayMs, throttleCPULimit));
    writeSentinelFile(sentinelFile);
    try {
        server->run(listenep, useSSL);
    }
    catch (IException *e) {
        EXCLOG(e,"DAFILESRV");
        e->Release();
    }
    if (server)
        server->stop();
    server.clear();
    PROGLOG("Stopped Dali File Server");

    return 0;
}
Beispiel #5
0
int main(int argc,char **argv) 
{
    InitModuleObjects();
    EnableSEHtoExceptionMapping();
#ifndef __64BIT__
    Thread::setDefaultStackSize(0x10000);   // 64K stack (also set in windows DSP)
#endif

    StringBuffer logDir;
#ifdef _WIN32
    logDir.append("c:\\");
#else
    if (checkDirExists("/c$"))
        logDir.append("/c$/");
#endif

    Owned<IFile> sentinelFile = createSentinelTarget();
    removeSentinelFile(sentinelFile);

    SocketEndpoint listenep;
    unsigned sendbufsize = 0;
    unsigned recvbufsize = 0;
    int i = 1;
    bool isdaemon = (memicmp(argv[0]+strlen(argv[0])-4,".exe",4)==0);
    // bit of a kludge for windows - if .exe not specified then not daemon
    bool locallisten = false;
    const char *logdir=NULL;
    bool requireauthenticate = false;
    while (argc>i) {
        if (stricmp(argv[i],"-D")==0) {
            i++;
            isdaemon = true;
        }
        else if (stricmp(argv[i],"-R")==0) { // for remote run
            i++;
#ifdef _WIN32
            isdaemon = false;
#else
            isdaemon = true;
#endif
        }
        else if (stricmp(argv[i],"-A")==0) { 
            i++;
            requireauthenticate = true;
        }
        else if ((argv[i][0]=='-')&&(toupper(argv[i][1])=='T')&&(!argv[i][2]||isdigit(argv[i][2]))) {
            if (argv[i][2])
                setDafsTrace(NULL,(byte)atoi(argv[i]+2));
            i++;
            isdaemon = false;
        }
        else if ((argc>i+1)&&(stricmp(argv[i],"-L")==0)) { 
            i++;
            logDir.clear().append(argv[i++]);
            addPathSepChar(logDir);
        }
        else if (stricmp(argv[i],"-LOCAL")==0) { 
            i++;
            locallisten = true;
        }
        else
            break;
    }

#ifdef _WIN32
    if ((argc>i)&&(stricmp(argv[i],"-install")==0)) {
        if (installService(DAFS_SERVICE_NAME,DAFS_SERVICE_DISPLAY_NAME,NULL)) {
            PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Installed");
            return 0;
        }
        return 1;
    }
    if ((argc>i)&&(stricmp(argv[i],"-remove")==0)) {
        if (uninstallService(DAFS_SERVICE_NAME,DAFS_SERVICE_DISPLAY_NAME)) {
            PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Uninstalled");
            return 0;
        }
        return 1;
    }
#endif
    if (argc == i)
      listenep.port = DAFILESRV_PORT;
    else {
        if (strchr(argv[i],'.')||!isdigit(argv[i][0]))
            listenep.set(argv[i],DAFILESRV_PORT);
        else
            listenep.port = atoi(argv[i]);
        if (listenep.port==0) {
            usage();
            exit(-1);
        }
        sendbufsize = (argc>i+1)?(atoi(argv[i+1])*1024):0;
        recvbufsize = (argc>i+2)?(atoi(argv[i+2])*1024):0;
    }
    if (isdaemon) {
#ifdef _WIN32
        class cserv: public CService
        {
            bool stopped;
            bool started;
            SocketEndpoint listenep;
            bool requireauthenticate;

            
            class cpollthread: public Thread
                
            {
                cserv *parent;
            public:
                cpollthread( cserv *_parent ) 
                : Thread("CService::cpollthread"), parent(_parent) 
                {
                }
                int run() 
                { 
                    while (parent->poll())
                        Sleep(1000);
                    return 1;
                }
            } pollthread;
            Owned<IRemoteFileServer> server;

        public:

            cserv(SocketEndpoint _listenep) 
                : listenep(_listenep),pollthread(this)
            {
                stopped = false;
                started = false;
            }

            virtual ~cserv()
            {
                stopped = true;
                if (started)
                    pollthread.join();
            }

            bool init()
            {
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Initialized");
                started = true;
                pollthread.start();
                return true;
            }

            bool poll()
            {
                if (stopped||!running()) {
                    PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Stopping");
                    if (server) {
                        server->stop();
                        server.clear();
                    }
                    return false;
                }
                return true;
            }

            void run()
            {
                // Get params from HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DaFileSrv\Parameters
                
                int requireauthenticate=0;
                HKEY hkey;
                if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                                 "SYSTEM\\CurrentControlSet\\Services\\DaFileSrv\\Parameters",
                                 0,
                                 KEY_QUERY_VALUE,
                                 &hkey) == ERROR_SUCCESS) {
                    DWORD dwType = 0;
                    DWORD dwSize = sizeof(requireauthenticate);
                    RegQueryValueEx(hkey,
                                    "RequireAuthentication",
                                    NULL,
                                    &dwType,
                                    (BYTE*)&requireauthenticate,
                                    &dwSize);
                    RegCloseKey(hkey);
                }
                StringBuffer eps;
                if (listenep.isNull())
                    eps.append(listenep.port);
                else
                    listenep.getUrlStr(eps);
                enableDafsAuthentication(requireauthenticate!=0);
                PROGLOG("Opening "DAFS_SERVICE_DISPLAY_NAME" on %s", eps.str());
                const char * verstring = remoteServerVersionString();
                PROGLOG("Version: %s", verstring);
                PROGLOG("Authentication:%s required",requireauthenticate?"":" not");
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Running");
                server.setown(createRemoteFileServer());
                try {
                    server->run(listenep);
                }
                catch (IException *e) {
                    EXCLOG(e,DAFS_SERVICE_NAME);
                    e->Release();
                }
                PROGLOG(DAFS_SERVICE_DISPLAY_NAME " Stopped");
                stopped = true;
            }
        } service(listenep);
        service.start();
        return 0;
#else
        int ret = initDaemon();
        if (ret)
            return ret;
#endif
    }
    {
        Owned<IComponentLogFileCreator> lf = createComponentLogFileCreator(logDir.str(), "DAFILESRV");
        lf->setCreateAliasFile(false);
        lf->setMaxDetail(TopDetail);
        lf->beginLogging();
    }
    const char * verstring = remoteServerVersionString();
    StringBuffer eps;
    if (listenep.isNull())
        eps.append(listenep.port);
    else
        listenep.getUrlStr(eps);
    enableDafsAuthentication(requireauthenticate);
    PROGLOG("Opening Dali File Server on %s", eps.str());
    PROGLOG("Version: %s", verstring);
    PROGLOG("Authentication:%s required",requireauthenticate?"":" not");
    startPerformanceMonitor(10*60*1000, PerfMonStandard);
    server.setown(createRemoteFileServer());
    writeSentinelFile(sentinelFile);
    try {
        server->run(listenep);
    }
    catch (IException *e) {
        EXCLOG(e,"DAFILESRV");
        e->Release();
    }
    if (server)
        server->stop();
    server.clear();
    PROGLOG("Stopped Dali File Server");

    return 0;
}
        void Do(unsigned i)
        {
            ISocket *sock = sockets.item(i);
            StringBuffer epstr;
            SocketEndpoint ep = eps.item(i);
            ep.getUrlStr(epstr);
//          PROGLOG("T.1 %s %x",epstr.str(),(unsigned)sock);
            StringBuffer verstr;
            unsigned rver=0;
            if (sock) {
                rver = getRemoteVersion(sock, verstr);
                switch (mode) {
                case AMcheck:
                    if (rver!=0)
                        return;
                case AMver: {
                        CriticalBlock block(sect);
                        result.append(ep);
                        StringBuffer ln;
                        ln.append(rver).append(",\"").append(verstr).append('"');
                        resultstr.append(* new StringAttrItem(ln.str()));
                    }
                    return;
                case AMstopver:
                case AMcheckver: 
                case AMcheckvermajor: {
                    // compares versions up to the '-'
                        const char *rv = verstr.str();
                        const char *v = remoteServerVersionString();
                        if (mode!=AMcheckvermajor) {
                            while (*v&&(*v!='-')&&(*v==*rv)) {
                                v++;
                                rv++;
                            }
                        }
                        if ((*rv==*v)&&(rver==ver))
                            return;
                        while (*rv&&(*rv!='-'))
                            rv++;
                        verstr.setLength(rv-verstr.str());
                        if ((mode==AMcheckver)||(mode==AMcheckvermajor))
                            break;

                    }
                    // fall through
                case AMstop:
                    {
                        unsigned err = stopRemoteServer(sock);
                        if (err!=0) {
                            ERRLOG("Could not stop server on %s, %d returned",epstr.str(),err);
                            if (mode!=AMstopver)
                                return;     // even though failed to stop - still return code
                        }
                        else 
                            Sleep(1000); // let stop
                    }
                    break;
                default:
                    return;
                }
            }
            CriticalBlock block(sect);
            result.append(ep);
            if ((mode!=AMver)&&(mode!=AMcheckver)&&(mode!=AMcheckvermajor)&&(mode!=AMstopver))
                resultstr.append(* new StringAttrItem(""));
            else
                resultstr.append(* new StringAttrItem(verstr.str()));
        }
unsigned applyNodes(const char *grpip, ApplyMode mode, unsigned ver, bool isdali, bool quiet)
{
    SocketEndpointArray eps;
    if (isdali&&(stricmp(grpip,"all")==0)) {
        Owned<IRemoteConnection> conn = querySDS().connect("/Environment/Software", myProcessSession(), RTM_LOCK_READ, SDS_CONNECT_TIMEOUT);
        if (!conn) 
            return 0;
        IPropertyTree* root = conn->queryRoot();
        Owned<IPropertyTreeIterator> clusters= root->getElements("ThorCluster");
        unsigned ret = 0;
        if (clusters->first()) {
            do {
                IPropertyTree &cluster = clusters->query();
                ret += applyNodes(cluster.queryProp("@name"),mode,ver,true,quiet);
            } while (clusters->next());
        }
        return ret;
    }
    SocketEndpointArray result;
    StringAttrArray resultstr;
    if (!isdali||!getCluster(grpip,eps)) {
        SocketEndpoint ep(grpip);
        if (ep.isNull()) {
            ERRLOG("%s is not a group name or ip",grpip);
            return 0;
        }
        if (ep.port==0)
            ep.port = getDaliServixPort();
        eps.append(ep);
    }
    PointerIArrayOf<ISocket> sockets;
    unsigned to=10*1000;
    unsigned n=eps.ordinality();    // use approx log scale (timeout is long but only for failure situation)
    while (n>1) {
        n/=2;
        to+=10*1000;
    }
    if (!quiet&&(n>1))
        PROGLOG("Scanning %s...",grpip);
    multiConnect(eps,sockets,to);
    CriticalSection sect;
    class casyncfor: public CAsyncFor
    {
        SocketEndpointArray &eps;
        PointerIArrayOf<ISocket> &sockets;
        ApplyMode mode;
        unsigned ver;
        SocketEndpointArray &result;
        StringAttrArray &resultstr;
        CriticalSection &sect;
    public:
        casyncfor(ApplyMode _mode, unsigned _ver,SocketEndpointArray &_eps,PointerIArrayOf<ISocket> &_sockets,SocketEndpointArray &_result, StringAttrArray &_resultstr,CriticalSection &_sect) 
            : eps(_eps), sockets(_sockets), result(_result), resultstr(_resultstr), sect(_sect)
        { 
            mode = _mode;
            ver = _ver;
        }
        void Do(unsigned i)
        {
            ISocket *sock = sockets.item(i);
            StringBuffer epstr;
            SocketEndpoint ep = eps.item(i);
            ep.getUrlStr(epstr);
//          PROGLOG("T.1 %s %x",epstr.str(),(unsigned)sock);
            StringBuffer verstr;
            unsigned rver=0;
            if (sock) {
                rver = getRemoteVersion(sock, verstr);
                switch (mode) {
                case AMcheck:
                    if (rver!=0)
                        return;
                case AMver: {
                        CriticalBlock block(sect);
                        result.append(ep);
                        StringBuffer ln;
                        ln.append(rver).append(",\"").append(verstr).append('"');
                        resultstr.append(* new StringAttrItem(ln.str()));
                    }
                    return;
                case AMstopver:
                case AMcheckver: 
                case AMcheckvermajor: {
                    // compares versions up to the '-'
                        const char *rv = verstr.str();
                        const char *v = remoteServerVersionString();
                        if (mode!=AMcheckvermajor) {
                            while (*v&&(*v!='-')&&(*v==*rv)) {
                                v++;
                                rv++;
                            }
                        }
                        if ((*rv==*v)&&(rver==ver))
                            return;
                        while (*rv&&(*rv!='-'))
                            rv++;
                        verstr.setLength(rv-verstr.str());
                        if ((mode==AMcheckver)||(mode==AMcheckvermajor))
                            break;

                    }
                    // fall through
                case AMstop:
                    {
                        unsigned err = stopRemoteServer(sock);
                        if (err!=0) {
                            ERRLOG("Could not stop server on %s, %d returned",epstr.str(),err);
                            if (mode!=AMstopver)
                                return;     // even though failed to stop - still return code
                        }
                        else 
                            Sleep(1000); // let stop
                    }
                    break;
                default:
                    return;
                }
            }
            CriticalBlock block(sect);
            result.append(ep);
            if ((mode!=AMver)&&(mode!=AMcheckver)&&(mode!=AMcheckvermajor)&&(mode!=AMstopver))
                resultstr.append(* new StringAttrItem(""));
            else
                resultstr.append(* new StringAttrItem(verstr.str()));
        }
    } afor(mode,ver,eps,sockets,result,resultstr,sect);
    afor.For(eps.ordinality(), 10, false, true);
    if (result.ordinality()==0)
        return 0;
    switch (mode) {
    case AMstopver: 
    case AMcheckver: 
    case AMcheckvermajor: 
        if (!quiet) {
            StringBuffer epstr;
            ForEachItemIn(i,result) {
                result.item(i).getUrlStr(epstr.clear());
                StringAttrItem &attr = resultstr.item(i);
                if (attr.text.length()==0) 
                    ERRLOG("%s: %s not running DAFILESRV",grpip,epstr.str());
                else 
                    ERRLOG("%s: %s %s running DAFILESRV version %s",grpip,(mode==AMstopver)?"was":"is",epstr.str(),attr.text.get());
            }
            unsigned numok = eps.ordinality()-result.ordinality();
            if (mode==AMcheckvermajor)
                PROGLOG("%s: %d node%s running version %.1f of DAFILESRV",grpip,numok,(numok!=1)?"s":"",((double)FILESRV_VERSION)/10.0);
            else {
                StringBuffer vs;
                const char *v = remoteServerVersionString();
                while (*v&&(*v!='-'))
                    vs.append(*(v++));
                PROGLOG("%s: %d node%s running version %s of DAFILESRV",grpip,numok,(numok!=1)?"s":"",vs.str());
            }
        }