Exemplo n.º 1
0
    void testStartStop() {
        report(0,"checking start/stop works...");

        Contact address("/port", "tcp", "127.0.0.1", safePort());
        PortCore core;
        core.listen(address);
        core.start();
        report(0,"there will be a small delay, stress-testing port...");
        int tct = 10;
        int ct = 0;
        for (int i=0; i<tct; i++) {
            Time::delay(0.01*(i%4));
            OutputProtocol *op = Carriers::connect(address);
            if (op!=nullptr) {
                op->getOutputStream().write('h');
                op->close();
                delete op;
                ct++; // connect is an event
            } else {
                report(1,"a connection failed");
            }
        }

        while (core.getOutputCount()>0 || core.getEventCount()<ct) {
            // close could abort connections
            Time::delay(0.2);
        }
        core.close();
        ct++; // close is an event

        report(0,"finished stress-testing port...");

        core.join();
        checkEqual(core.getEventCount(),ct,"Got all events");
    }
Exemplo n.º 2
0
bool NameSpace::checkNetwork() {
    Contact c = queryName(getNameServerName());
    if (!c.isValid()) return false;

    OutputProtocol *out = Carriers::connect(Address::fromContact(c));
    if (out==NULL) {
        return false;
    }

    out->close();
    delete out;
    out = NULL;

    return true;
}
Exemplo n.º 3
0
bool NameSpace::checkNetwork(double timeout) {
    Contact c = queryName(getNameServerName());
    if (!c.isValid()) return false;

    c.setTimeout((float)timeout);
    OutputProtocol *out = Carriers::connect(c);
    if (out==NULL) {
        return false;
    }

    out->close();
    delete out;
    out = NULL;

    return true;
}
Exemplo n.º 4
0
bool NameSpace::checkNetwork() {
    if (localOnly()) return true;

    Contact c = queryName(getNameServerName());
    if (!c.isValid()) return false;

    OutputProtocol *out = Carriers::connect(c);
    if (out==YARP_NULLPTR) {
        return false;
    }

    out->close();
    delete out;
    out = YARP_NULLPTR;

    return true;
}
Exemplo n.º 5
0
String NameClient::send(const String& cmd, bool multi) {
    //printf("*** OLD YARP command %s\n", cmd.c_str());
    setup();

    if (NetworkBase::getQueryBypass()) {
        ContactStyle style;
        Bottle bcmd(cmd.c_str()), reply;
        NetworkBase::writeToNameServer(bcmd,reply,style);
        ConstString si = reply.toString(), so;
        for (int i=0; i<(int)si.length(); i++) {
            if (si[i]!='\"') {
                so += si[i];
            }
        }
        return so.c_str();
    }
    bool retried = false;
    bool retry = false;
    String result;
    Contact server = getAddress();
    float timeout = 10;
    server.setTimeout(timeout);

    do {

        YARP_DEBUG(Logger::get(),String("sending to nameserver: ") + cmd);

        if (isFakeMode()) {
            //YARP_DEBUG(Logger::get(),"fake mode nameserver");
            return getServer().apply(cmd,Contact::bySocket("tcp","127.0.0.1",NetworkBase::getDefaultPortRange())) + "\n";
        }

        TcpFace face;
        YARP_DEBUG(Logger::get(),String("connecting to ") + getAddress().toURI());
        OutputProtocol *ip = NULL;
        if (!retry) {
            ip = face.write(server);
        } else {
            retried = true;
        }
        if (ip==NULL) {
            YARP_INFO(Logger::get(),"No connection to nameserver");
            if (!allowScan) {
                YARP_INFO(Logger::get(),"*** try running: yarp detect ***");
            }
            Contact alt;
            if (!isFakeMode()) {
                if (allowScan) {
                    YARP_INFO(Logger::get(),"no connection to nameserver, scanning mcast");
                    reportScan = true;
#ifdef YARP_HAS_ACE
                    alt = FallbackNameClient::seek();
#else
                    return ""; // nothing to do, nowhere to turn
#endif
                }
            }
            if (alt.isValid()) {
                address = alt;
                if (allowSaveScan) {
                    reportSaveScan = true;
                    NameConfig nc;
                    nc.setAddress(alt);
                    nc.toFile();
                }
                server = getAddress();
                server.setTimeout(timeout);
                ip = face.write(server);
                if (ip==NULL) {
                    YARP_ERROR(Logger::get(),
                               "no connection to nameserver, scanning mcast");
                    return "";
                }
            } else {
                return "";
            }
        }
        String cmdn = cmd + "\n";
        Bytes b((char*)cmdn.c_str(),cmdn.length());
        ip->getOutputStream().write(b);
        bool more = multi;
        while (more) {
            String line = "";
            line = ip->getInputStream().readLine();
            if (!(ip->isOk())) {
                more = false;
                //YARP_DEBUG(Logger::get(), e.toString() + " <<< exception from name server");
                retry = true;
                break;
            }
            if (line.length()>1) {
                if (line[0] == '*'||line[0] == '[') {
                    more = false;
                }
            }
            result += line + "\n";
        }
        ip->close();
        delete ip;
        YARP_SPRINTF1(Logger::get(),
                      debug,
                      "<<< received from nameserver: %s",result.c_str());
    } while (retry&&!retried);

    return result;
}