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| 6 | ** This file is part of the examples of the Qt Toolkit. |
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| 50 | |
| 51 | #include <stdio.h> |
| 52 | |
| 53 | #include <QtCore/QCoreApplication> |
| 54 | #include <QtCore/QFile> |
| 55 | #include <QtCore/QDebug> |
| 56 | #include <QtCore/QProcess> |
| 57 | #include <QtDBus/QtDBus> |
| 58 | |
| 59 | #include "ping-common.h" |
| 60 | #include "complexping.h" |
| 61 | |
| 62 | void Ping::start(const QString &name) |
| 63 | { |
| 64 | if (name != SERVICE_NAME) |
| 65 | return; |
| 66 | |
| 67 | // open stdin for reading |
| 68 | qstdin.open(stdin, QIODevice::ReadOnly); |
| 69 | |
| 70 | // find our remote |
| 71 | iface = new QDBusInterface(SERVICE_NAME, "/" , "org.example.QtDBus.ComplexPong.Pong" , |
| 72 | QDBusConnection::sessionBus(), this); |
| 73 | if (!iface->isValid()) { |
| 74 | fprintf(stderr, "%s\n" , |
| 75 | qPrintable(QDBusConnection::sessionBus().lastError().message())); |
| 76 | QCoreApplication::instance()->quit(); |
| 77 | } |
| 78 | |
| 79 | connect(iface, SIGNAL(aboutToQuit()), QCoreApplication::instance(), SLOT(quit())); |
| 80 | |
| 81 | while (true) { |
| 82 | printf("Ask your question: " ); |
| 83 | |
| 84 | QString line = QString::fromLocal8Bit(qstdin.readLine()).trimmed(); |
| 85 | if (line.isEmpty()) { |
| 86 | iface->call("quit" ); |
| 87 | return; |
| 88 | } else if (line == "value" ) { |
| 89 | QVariant reply = iface->property("value" ); |
| 90 | if (!reply.isNull()) |
| 91 | printf("value = %s\n" , qPrintable(reply.toString())); |
| 92 | } else if (line.startsWith("value=" )) { |
| 93 | iface->setProperty("value" , line.mid(6)); |
| 94 | } else { |
| 95 | QDBusReply<QDBusVariant> reply = iface->call("query" , line); |
| 96 | if (reply.isValid()) |
| 97 | printf("Reply was: %s\n" , qPrintable(reply.value().variant().toString())); |
| 98 | } |
| 99 | |
| 100 | if (iface->lastError().isValid()) |
| 101 | fprintf(stderr, "Call failed: %s\n" , qPrintable(iface->lastError().message())); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | int main(int argc, char **argv) |
| 106 | { |
| 107 | QCoreApplication app(argc, argv); |
| 108 | |
| 109 | if (!QDBusConnection::sessionBus().isConnected()) { |
| 110 | fprintf(stderr, "Cannot connect to the D-Bus session bus.\n" |
| 111 | "To start it, run:\n" |
| 112 | "\teval `dbus-launch --auto-syntax`\n" ); |
| 113 | return 1; |
| 114 | } |
| 115 | |
| 116 | QDBusServiceWatcher serviceWatcher(SERVICE_NAME, QDBusConnection::sessionBus(), |
| 117 | QDBusServiceWatcher::WatchForRegistration); |
| 118 | |
| 119 | Ping ping; |
| 120 | QObject::connect(&serviceWatcher, &QDBusServiceWatcher::serviceRegistered, |
| 121 | &ping, &Ping::start); |
| 122 | |
| 123 | QProcess pong; |
| 124 | pong.start("./complexpong" ); |
| 125 | |
| 126 | app.exec(); |
| 127 | } |
| 128 | |