sketch in the client/resource model

4 files changed, 161 insertions, 0 deletions

diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
new file mode 100644
index 0000000..186e3fe
--- /dev/null
+++ b/client/CMakeLists.txt
@@ -0,0 +1,14 @@
+project(toynadi_client)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+
+set(common_path "../common/")
+
+set(toynadiclient_SRCS
+    ${common_path}/console.cpp
+    main.cpp
+    resourceaccess.cpp
+)
+add_executable(${PROJECT_NAME} ${toynadiclient_SRCS})
+qt5_use_modules(${PROJECT_NAME} Widgets Network)
+install(TARGETS ${PROJECT_NAME} DESTINATION bin)
diff --git a/client/main.cpp b/client/main.cpp
new file mode 100644
index 0000000..2fbb8fe
--- /dev/null
+++ b/client/main.cpp
@@ -0,0 +1,19 @@
+
+#include <QApplication>
+
+#include "common/console.h"
+#include "resourceaccess.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    new Console("Toy Client");
+    ResourceAccess *resAccess = new ResourceAccess("toyResource");
+
+    QObject::connect(&app, &QCoreApplication::aboutToQuit,
+                     resAccess, &ResourceAccess::close);
+
+    resAccess->open();
+    return app.exec();
+}
\ No newline at end of file
diff --git a/client/resourceaccess.cpp b/client/resourceaccess.cpp
new file mode 100644
index 0000000..1eadc34
--- /dev/null
+++ b/client/resourceaccess.cpp
@@ -0,0 +1,95 @@
+#include "resourceaccess.h"
+
+#include "common/console.h"
+
+#include <QDebug>
+#include <QProcess>
+
+ResourceAccess::ResourceAccess(const QString &resourceName, QObject *parent)
+    : QObject(parent),
+      m_resourceName(resourceName),
+      m_socket(new QLocalSocket(this)),
+      m_startingProcess(false)
+{
+    Console::main()->log(QString("Starting access to %1").arg(m_socket->serverName()));
+    connect(m_socket, &QLocalSocket::connected,
+            this, &ResourceAccess::connected);
+    connect(m_socket, &QLocalSocket::disconnected,
+            this, &ResourceAccess::disconnected);
+    connect(m_socket, SIGNAL(error(QLocalSocket::LocalSocketError)),
+            this, SLOT(connectionError(QLocalSocket::LocalSocketError)));
+}
+
+ResourceAccess::~ResourceAccess()
+{
+
+}
+
+QString ResourceAccess::resourceName() const
+{
+    return m_resourceName;
+}
+
+bool ResourceAccess::isReady() const
+{
+    return m_socket->isValid();
+}
+
+void ResourceAccess::open()
+{
+    static int count = 0;
+    if (m_startingProcess) {
+        QMetaObject::invokeMethod(this, "open", Qt::QueuedConnection);
+    }
+
+    if (m_socket->isValid()) {
+        return;
+    }
+
+    ++count;
+    if (count > 10000) {
+        return;
+    }
+
+    m_socket->setServerName(m_resourceName);
+    Console::main()->log(QString("Opening: %1").arg(m_socket->serverName()));
+    //FIXME: race between starting the exec and opening the socket?
+    m_socket->open();
+}
+
+void ResourceAccess::close()
+{
+    Console::main()->log(QString("Closing: %1").arg(m_socket->fullServerName()));
+    m_socket->close();
+}
+
+void ResourceAccess::connected()
+{
+    m_startingProcess = false;
+    Console::main()->log(QString("Connected: %1").arg(m_socket->fullServerName()));
+    emit ready(true);
+}
+
+void ResourceAccess::disconnected()
+{
+    Console::main()->log(QString("Disconnected: %1").arg(m_socket->fullServerName()));
+    emit ready(false);
+}
+
+void ResourceAccess::connectionError(QLocalSocket::LocalSocketError error)
+{
+    Console::main()->log(QString("Could not connect to %1 due to error %2").arg(m_socket->serverName()).arg(error));
+    if (m_startingProcess) {
+        QMetaObject::invokeMethod(this, "open", Qt::QueuedConnection);
+        return;
+    }
+
+    m_startingProcess = true;
+    Console::main()->log(QString("Attempting to start resource..."));
+    QStringList args;
+    args << m_resourceName;
+    if (QProcess::startDetached("toynadi_resource", args)) {
+        m_socket->open();
+    }
+}
+
diff --git a/client/resourceaccess.h b/client/resourceaccess.h
new file mode 100644
index 0000000..f4c4ad4
--- /dev/null
+++ b/client/resourceaccess.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <QLocalSocket>
+#include <QObject>
+
+class ResourceAccess : public QObject
+{
+    Q_OBJECT
+
+public:
+    ResourceAccess(const QString &resourceName, QObject *parent = 0);
+    ~ResourceAccess();
+
+    QString resourceName() const;
+    bool isReady() const;
+
+public Q_SLOTS:
+    void open();
+    void close();
+
+Q_SIGNALS:
+    void ready(bool isReady);
+
+private Q_SLOTS:
+    void connected();
+    void disconnected();
+    void connectionError(QLocalSocket::LocalSocketError error);
+
+private:
+    QString m_resourceName;
+    QLocalSocket *m_socket;
+    bool m_startingProcess;
+};