BB10 network plugin fails on the second call

Hi all

I created a plugin(native extension) network that works very well when you call the first javascript application.

The entrance to this extension is: {'url' ": '"http://example.com ', imeOut: '4'}

When I try to call this plugin the next time, he demonstrated "operation cancelled" due to the delay. If I delete the time-out period of extension, not getting not response in onRequestFinished and it returns nothing for javascript application.

Please, help me find an error code below.

It is very urgent.

Thanks in advance.

template_js.hpp

#ifndef TemplateJS_HPP_
#define TemplateJS_HPP_

#include 
#include "../public/plugin.h"
#include "template_ndk.hpp"

class TemplateJS: public JSExt {

public:
    explicit TemplateJS(const std::string& id);
    virtual ~TemplateJS();
    virtual bool CanDelete();
    virtual std::string InvokeMethod(const std::string& command);
    void NotifyEvent(const std::string& event);
    bool StartThread();
    std::string params;

private:
    std::string m_id;

};

#endif /* TemplateJS_HPP_ */



template_js.cpp

#include #include "../public/tokenizer.h"#include #include "template_js.hpp"#include "template_ndk.hpp"

using namespace std;

/** * Default constructor. */TemplateJS::TemplateJS(const std::string& id) : m_id(id) {

}

/** * TemplateJS destructor. */TemplateJS::~TemplateJS() {

}

/** * This method returns the list of objects implemented by this native * extension. */char* onGetObjList() { static char name[] = "TemplateJS"; return name;}

/** * This method is used by JNext to instantiate the TemplateJS object when * an object is created on the JavaScript server side. */JSExt* onCreateObject(const string& className, const string& id) { if (className == "TemplateJS") { return new TemplateJS(id); }

 return NULL;}

/** * Method used by JNext to determine if the object can be deleted. */bool TemplateJS::CanDelete() { return true;}

/** * It will be called from JNext JavaScript side with passed string. * This method implements the interface for the JavaScript to native binding * for invoking native code. This method is triggered when JNext.invoke is * called on the JavaScript side with this native objects id. */string TemplateJS::InvokeMethod(const string& command) { // command appears with parameters following after a space int index = command.find_first_of(" "); std::string strCommand = command.substr(0, index); std::string arg = command.substr(index + 1, command.length()); params = arg; if (strCommand == "doNSIRequest") { StartThread(); strCommand.append(";"); strCommand.append(command); return strCommand; }

 return "Unknown C++ method";}

void* SignalThread(void* parent) { TemplateJS *pParent = static_cast(parent);

 int argc = 0; char **argv = NULL; QCoreApplication QCoreApplication(argc, argv); webworks::TemplateNDK *m_signalHandler = new webworks::TemplateNDK(pParent); m_signalHandler->doNetworkRequest();

 QCoreApplication::exec(); delete m_signalHandler; return NULL;}

bool TemplateJS::StartThread(){

 pthread_attr_t thread_attr; pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);

 pthread_t m_thread; pthread_create(&m_thread, &thread_attr, SignalThread, static_cast(this)); pthread_attr_destroy(&thread_attr); if (!m_thread) { return true; } else { return false; }}

// Notifies JavaScript of an eventvoid TemplateJS::NotifyEvent(const std::string& event) { std::string eventString = m_id + " "; eventString.append(event); SendPluginEvent(eventString.c_str(), m_pContext);}

template_ndk.hpp



#ifndef TEMPLATENDK_HPP_#define TEMPLATENDK_HPP_

#include #include #include #include #include 

using namespace bb::device;

class TemplateJS;

namespace webworks {

class TemplateNDK : public QObject {

 Q_OBJECT

public: explicit TemplateNDK(TemplateJS *parent = NULL); virtual ~TemplateNDK(); void doNetworkRequest();

public Q_SLOTS: void onRequestFinished(QNetworkReply *reply); void connectionStateChanged (bb::device::CellularConnectionState::Type connectionState); void onNetworkTimeOut();

private: void doNSIRequest(); void disconnectService(); void parseXml(const QByteArray buffer, int httpCode, QString status, QString errorInfo); void parseJsonParams();

private: TemplateJS *m_pParent; QNetworkAccessManager *_networkAccessManager; CellularDataInterface *_cellularDataInterface; int networkTimeout; std::string url;};

} // namespace webworks

#endif /* TEMPLATENDK_H_ */



template_ndk.cpp

#include #include #include #include #include #include #include #include "template_ndk.hpp"#include "template_js.hpp"

namespace webworks {

TemplateNDK::TemplateNDK(TemplateJS *parent) {

 m_pParent = parent; _networkAccessManager = 0; _cellularDataInterface = 0; networkTimeout = 0; url = "";

}

TemplateNDK::~TemplateNDK() {

 if (_networkAccessManager){ delete _networkAccessManager; _networkAccessManager = 0; } if (_cellularDataInterface) { if (_cellularDataInterface->connectionState() == CellularConnectionState::Connected) { disconnectService(); } delete _cellularDataInterface; _cellularDataInterface = 0; } if(m_pParent){ delete m_pParent; m_pParent = 0; }}

void TemplateNDK::doNetworkRequest(){ _networkAccessManager = new QNetworkAccessManager(); _cellularDataInterface = new CellularDataInterface(); connect( _networkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(onRequestFinished(QNetworkReply*)));

 connect(_cellularDataInterface, SIGNAL(connectionStateChanged(bb::device::CellularConnectionState::Type)), this, SLOT(connectionStateChanged(bb::device::CellularConnectionState::Type)));

 parseJsonParams();

 doNSIRequest();}

void TemplateNDK::parseJsonParams() { std::string networkParams = m_pParent->params;

 // Parse the arg string as JSON Json::FastWriter writer; Json::Reader reader; Json::Value root; bool parse = reader.parse(networkParams, root);

 if (!parse) {

 QByteArray buffer(NULL); parseXml(buffer, 1, "fail", "Cannot parse input JSON object");

 } else {

 url = root["url"].asString(); int timeout = root["timeOutValue"].asInt(); networkTimeout = timeout * 1000; //converting into milliseconds

 }}

/** * Set name for mobile data and attempt to activate the network connection if name is valid */

void TemplateNDK::doNSIRequest() { _cellularDataInterface->setName("blackberry"); if (_cellularDataInterface->isValid()) { QString networkInterfaceName =_cellularDataInterface->networkInterfaceName();

 if (!networkInterfaceName.isEmpty()) { _cellularDataInterface->requestConnect(); } else { QByteArray buffer(NULL); QString strError = "Mobile data off"; parseXml(buffer, 1, "fail", strError); }

 } else { QByteArray buffer(NULL); QString strError = ""; if (_cellularDataInterface->networkInterfaceName() == ""){ strError = "No Sim Available"; }else{ strError = "Invalid cellular data services"; }

 parseXml(buffer, 1, "fail", strError); }}

/** * Attempt to de-activate the network connection */

void TemplateNDK::disconnectService(){ _cellularDataInterface->requestDisconnect(); unsetenv("SOCK_SO_BINDTODEVICE");}

/** * Slot getting called after successful connection to Mobile data. * If connected then send server request else handling error */

void TemplateNDK::connectionStateChanged (bb::device::CellularConnectionState::Type connectionState){ QString strError = ""; if (connectionState == CellularConnectionState::Connected) {

 int EOK = 0; if (setenv("SOCK_SO_BINDTODEVICE", _cellularDataInterface->networkInterfaceName().toAscii().constData(), 1) == EOK) { QNetworkRequest request = QNetworkRequest(); QString inputUrl = QString::fromUtf8(url.c_str()); request.setUrl(QUrl(inputUrl)); QNetworkReply* response = _networkAccessManager->get(request);

 QTimer *timer = new QTimer(response); timer->setSingleShot(true); connect(timer, SIGNAL(timeout()), this, SLOT(onNetworkTimeOut())); timer->start(networkTimeout);

 } else { strError = "Not connected to 2g/3g connection! Please try again"; }

 } else if (connectionState == CellularConnectionState::PendingConnect) { strError = "Pending Connect! Please try again";

 } else if (connectionState == CellularConnectionState::Disconnected) { strError = "Disconnected! Please try again"; unsetenv("SOCK_SO_BINDTODEVICE");

 } else { strError = "Not Connected! Please try again"; } if (!strError.isEmpty()){ QByteArray buffer(NULL); parseXml(buffer, 2, "fail", strError); }

}

void TemplateNDK::onNetworkTimeOut() { QTimer *timer = qobject_cast(sender()); QNetworkReply *response = qobject_cast(timer->parent()); response->abort();}

/** * Handling response coming from server */void TemplateNDK::onRequestFinished(QNetworkReply *reply){ int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); httpStatusCode = reply->error(); QString status = ""; QByteArray buffer(NULL); QString strErrorInfo = ""; if (reply->error() == QNetworkReply::NoError) {

 const int available = reply->bytesAvailable(); if (available > 0) { status = "success"; buffer = reply->readAll();

 }else{ status = "fail"; httpStatusCode = 2; strErrorInfo = "Response is null"; }

 } else {

 strErrorInfo = reply->errorString(); if (strErrorInfo.contains("\"\"")) { //case like: Protocol "" is unknown strErrorInfo = strErrorInfo.remove("\"\""); } status = "fail";

 } parseXml(buffer, httpStatusCode, status, strErrorInfo); reply->deleteLater();}

/** * parses xml coming from server as response, Create JSON object and calling notify */void TemplateNDK::parseXml(const QByteArray buffer, int httpCode, QString status, QString errorInfo) { QXmlStreamReader xml; std::string event = "NSI_requestCallbackResult";

 // Parse the arg string as JSON Json::FastWriter writer; Json::Reader reader; Json::Value root;

 root["language"] = ""; root["subId2"] = ""; root["accountSubType"] = ""; root["status"] = status.toLocal8Bit().constData(); root["httpCode"] = httpCode; root["errorInfo"] = errorInfo.toLocal8Bit().constData();

 try{ if (!buffer.isNull()) { xml.addData(buffer);

 while (!xml.atEnd()) { xml.readNext();

 if (xml.isStartElement()) { if (xml.name() == "eamLanguage") { root["language"] = xml.readElementText().toLocal8Bit().constData();

 } if (xml.name() == "subId2") { root["subId2"] = xml.readElementText().toLocal8Bit().constData(); } if (xml.name() == "accountSubType") { root["accountSubType"] = xml.readElementText().toLocal8Bit().constData(); } }

 } } }catch (...) { QString status = "fail"; int httpCode = 2; QString strBuffer(buffer); QString errorInfo = "Exception:FormatException Function:parseXml ServerResponse: " + strBuffer;

 root["status"] = status.toLocal8Bit().constData(); root["httpCode"] = httpCode; root["errorInfo"] = errorInfo.toLocal8Bit().constData(); }

 m_pParent->NotifyEvent(event + " " + writer.write(root));

}

} /* namespace webworks */

Finally I found the solution of the present.

Question is due to every javascript function call new pthread is be created every time and existing thread is never destroyed. However, I assumed that this local variable of pthread_t destroyed but it is not run like that. If trying to kill thread existing manually using pthread_cancel(), application crashes. Application of network function is called in this thread and QNetworkAccessManager slot is never get called except for the first time.

To solve it, I used a public global variable that allow to create the thread only once and give the signal for the following applications when native code receives a StartThread function call. For signalling, used pthread mutex lock and characteristic signal.

Here is the code for the function StartThread:

bool TemplateJS::StartThread()
{

    parseJsonParams();

    if (!g1.g_isSignalThreadCreated) {
        g1.g_isSignalThreadCreated = true;

        pthread_attr_t thread_attr;
        pthread_attr_init(&thread_attr);
        pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
        pthread_t m_thread;
        pthread_create(&m_thread, &thread_attr, SignalThread, static_cast(this));
        pthread_attr_destroy(&thread_attr);

    } else {
        pthread_mutex_lock(&mutex);
        pthread_cond_signal(&cond);
        pthread_mutex_unlock(&mutex);

    }
    return true;
}

And here's the code must call after event notification.

void TemplateNDK::Workerthread_waitForNextTime()
    {
        pthread_mutex_lock(&mutex);
        pthread_cond_wait(&cond, &mutex);
        pthread_mutex_unlock(&mutex);

        //keeps waiting here until get Signal from StartThread.
        doNetworkRequest();
    }

Tags: BlackBerry Developers

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    Is it possible to use a TC and a router not Apple on the same network? If so, what are the right settings for the TC and the secondary router? If not, is it better to have the not Apple as main router and add the TC to the network created by the non-Apple router?

    Is it possible to use a TC and a router not Apple on the same network? If so, what are the right settings for the TC and the secondary router?

    Yes. That would be the basis of a network of mobile type.

    The key for a roaming network parameters are:

    • The 'primary' router must be configured as a router. In other words, it must have active NAT and DHCP services.
    • All other routers used in a network of roaming must be reconfigured as a bridge.
    • All routers must broadcast a Wi - Fi network that uses the same network (SSID, aka) name, and the type of wireless security, and the password.
    • All routers must be interconnected by Ethernet. To provide Powerline adapters using an Ethernet connectivity should also work.

    If not, is it better to have the not Apple as main router and add the TC to the network created by the non-Apple router?

    Should not really which is the main in the roaming network.

    I think at this point, your current circuit line. To check that, I would suggest that you consider to bring back the router C5 in the same room as you have the TC. Then connect it directly to one of the LAN of the TC ports. Complete the entire upward to a mobile network and test it. If everything works, bring back the C5 in the desired location, and then try again.

    If it fails, then the circuit line will be tested to check that it provides a solid 'Ethernet' connection between the adapters.

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    You should add 'VMXNET3' type if you use VMWare, if you chose something else, you invalidate your license, see section 3.3 of the virtualized CMS 2.0 Setup Guide for deployments.

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    Best regards,

    J. Mr. Kabundi.

    No matter what PickUp group they belong, do not need to be the same for the BLF pick-up function.

    But if they are in the same group, as you say: can the normal collection through the display key PickUp?

    If only change the number to work, I think you may have a problem with the DNs/Partitions. Never renamed the partition? Try to remove the Manager DN, delete the number not assigned to your server and add it again.

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    Hello VDAEMP,

    As Eddie and Sudarshan has said, the Microsoft Answers community focuses on issues and problems related to the consumer environment. Please join the public IT pro TechNet forums below:
    TechNet - Windows Server
     
    Thank you

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    • Possibility to create, manipulate and remove your collections.
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    • Able to view, manipulate, and delete a work in progress on your behalf

    Does anyone have a solution?

    -System settings-

    Lightroom version: 5.6 [974614]

    Operating system: Windows 8.1 Business Edition

    Version: 6.3 [9600]

    Application architecture: x 64

    System architecture: x 64

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    Size of the memory cache: 224,4 MB

    Maximum thread count used by Camera Raw: 4

    System DPI setting: 96 DPI

    Composition of the Bureau enabled: Yes

    Exhibition: 1) 2560 x 1440

    Plugins installed:

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    (2) substantive canon Plugin

    (3) Costco Photo Center

    (4) Facebook

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    (7) attachment Plugin Nikon

    Config.LUA flags: None

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    Subsystem: 5b 01028

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    Revision: 0

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    ShaderModel: 11.1

    Vendor: Intel

    VendorID: 32902

    Version: 8086:0412:5 b 01028:0006

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