Re: [agl-dev-community] [HELP] Port Qt Desktop Widget to run on AGL

["Guowei Lv" <guowei@xxxxxxxxxx>]

Hi,

I have been reading the taskmanager source code, but some parts I do not understand.

void TaskManager::query() {

callService("get_process_list",

QJsonValue(QJsonObject({{"processes", QJsonValue()}})));

callService("get_netstat", QJsonValue());

}

void TaskManager::callService(const QString& command, QJsonValue value) {

Message *msg = new Message();

msg->createRequest("taskmanager", command, value);

qDebug() << "sending message " << msg->toJson();

m_loop->sendMessage(msg);

delete msg;

}


This looks to me like the application sends messages like "get_process_list" to some kind of message loop. My question is where are these messages defined? And where are these messages get received the processed?

Is it related to this? https://docs.automotivelinux.org/docs/en/guppy/apis_services/reference/signaling/signaling/architecture.html

In our case, we have built the image with the command line tool "filefrag" included. How can I call it from the Qt application?

Thanks

Guowei

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