From ed20c3082d4fd5e90703e4d6c37093dcecb5cfd1 Mon Sep 17 00:00:00 2001
From: Aaron Seigo <aseigo@kde.org>
Date: Thu, 20 Nov 2014 16:28:31 +0100
Subject: sketch in the client/resource model

---
 resource/CMakeLists.txt | 15 +++++++++++
 resource/listener.cpp   | 71 +++++++++++++++++++++++++++++++++++++++++++++++++
 resource/listener.h     | 37 ++++++++++++++++++++++++++
 resource/main.cpp       | 23 ++++++++++++++++
 4 files changed, 146 insertions(+)
 create mode 100644 resource/CMakeLists.txt
 create mode 100644 resource/listener.cpp
 create mode 100644 resource/listener.h
 create mode 100644 resource/main.cpp

(limited to 'resource')

diff --git a/resource/CMakeLists.txt b/resource/CMakeLists.txt
new file mode 100644
index 0000000..3de51b5
--- /dev/null
+++ b/resource/CMakeLists.txt
@@ -0,0 +1,15 @@
+project(toynadi_resource)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+
+set(common_path "../common/")
+
+set(toynadiresource_SRCS
+    ${common_path}/console.cpp
+    main.cpp
+    listener.cpp
+)
+
+add_executable(${PROJECT_NAME} ${toynadiresource_SRCS})
+qt5_use_modules(${PROJECT_NAME} Widgets Network)
+install(TARGETS ${PROJECT_NAME} DESTINATION bin)
diff --git a/resource/listener.cpp b/resource/listener.cpp
new file mode 100644
index 0000000..efdfe3e
--- /dev/null
+++ b/resource/listener.cpp
@@ -0,0 +1,71 @@
+#include "listener.h"
+
+#include "common/console.h"
+
+#include <QLocalSocket>
+
+Listener::Listener(const QString &resource, QObject *parent)
+    : QObject(parent),
+      m_server(new QLocalServer(this))
+{
+    connect(m_server, &QLocalServer::newConnection,
+             this, &Listener::acceptConnection);
+    Console::main()->log(QString("Trying to open %1").arg(resource));
+    if (!m_server->listen(resource)) {
+        // FIXME: multiple starts need to be handled here
+        m_server->removeServer(resource);
+        if (!m_server->listen(resource)) {
+            Console::main()->log("Utter failure to start server");
+            exit(-1);
+        }
+    }
+
+    if (m_server->isListening()) {
+        Console::main()->log(QString("Listening on %1").arg(m_server->serverName()));
+    }
+}
+
+Listener::~Listener()
+{
+}
+
+void Listener::closeAllConnections()
+{
+    //TODO: close all client connectionsin m_connections
+}
+
+void Listener::acceptConnection()
+{
+    Console::main()->log(QString("Accepting connection"));
+    QLocalSocket *connection = m_server->nextPendingConnection();
+
+    if (!connection) {
+        return;
+    }
+
+    Console::main()->log("Got a connection");
+    Client client(connection);
+    m_connections << client;
+    connect(connection, &QLocalSocket::disconnected,
+            this, &Listener::clientDropped);
+
+}
+
+void Listener::clientDropped()
+{
+    QLocalSocket *connection = qobject_cast<QLocalSocket *>(sender());
+    if (!connection) {
+        return;
+    }
+
+    Console::main()->log("Dropping connection...");
+    QMutableListIterator<Client> it(m_connections);
+    while (it.hasNext()) {
+        const Client &client = it.next();
+        if (client.m_socket == connection) {
+            Console::main()->log("    dropped...");
+            it.remove();
+            break;
+        }
+    }
+}
diff --git a/resource/listener.h b/resource/listener.h
new file mode 100644
index 0000000..79c7ba5
--- /dev/null
+++ b/resource/listener.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <QLocalServer>
+#include <QLocalSocket>
+#include <QList>
+#include <QObject>
+
+class Client
+{
+public:
+    Client(QLocalSocket *s)
+        : m_socket(s),
+          m_commanded(false)
+    {
+    }
+
+    QLocalSocket *m_socket;
+    bool m_commanded;
+};
+
+class Listener : public QObject
+{
+public:
+    Listener(const QString &resourceName, QObject *parent = 0);
+    ~Listener();
+
+public Q_SLOTS:
+    void closeAllConnections();
+
+private Q_SLOTS:
+    void acceptConnection();
+    void clientDropped();
+
+private:
+    QLocalServer *m_server;
+    QList<Client> m_connections;
+};
\ No newline at end of file
diff --git a/resource/main.cpp b/resource/main.cpp
new file mode 100644
index 0000000..3bd4656
--- /dev/null
+++ b/resource/main.cpp
@@ -0,0 +1,23 @@
+
+#include <QApplication>
+
+#include "common/console.h"
+#include "listener.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    new Console(QString("Toy Resource: %1").arg(argv[1]));
+    if (argc < 2) {
+        Console::main()->log("Not enough args");
+        return app.exec();
+    }
+
+    Listener *listener = new Listener(argv[1]);
+
+    QObject::connect(&app, &QCoreApplication::aboutToQuit,
+                     listener, &Listener::closeAllConnections);
+
+    return app.exec();
+}
\ No newline at end of file
-- 
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