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diff --git a/src/plugins/bearer/icd/dbusdispatcher.cpp b/src/plugins/bearer/icd/dbusdispatcher.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QDebug>
+#include <QtCore>
+#include <poll.h>
+#include <dbus/dbus.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <glib.h>
+#include "dbusdispatcher.h"
+
+namespace Maemo {
+
+/*!
+ \class DBusDispatcher
+
+ \brief DBusDispatcher is a class, which is able to send DBUS method call
+ messages and receive unicast signals from DBUS object.
+*/
+
+class DBusDispatcherPrivate
+{
+public:
+ DBusDispatcherPrivate(const QString& service,
+ const QString& path,
+ const QString& interface,
+ const QString& signalPath)
+ : service(service), path(path), interface(interface),
+ signalPath(signalPath), connection(0)
+ {
+ memset(&signal_vtable, 0, sizeof(signal_vtable));
+ }
+
+ ~DBusDispatcherPrivate()
+ {
+ foreach(DBusPendingCall *call, pending_calls) {
+ dbus_pending_call_cancel(call);
+ dbus_pending_call_unref(call);
+ }
+ }
+
+ QString service;
+ QString path;
+ QString interface;
+ QString signalPath;
+ struct DBusConnection *connection;
+ QList<DBusPendingCall *> pending_calls;
+ struct DBusObjectPathVTable signal_vtable;
+};
+
+static bool constantVariantList(const QVariantList& variantList) {
+ // Special case, empty list == empty struct
+ if (variantList.isEmpty()) {
+ return false;
+ } else {
+ QVariant::Type type = variantList[0].type();
+ // Iterate items in the list and check if they are same type
+ foreach(QVariant variant, variantList) {
+ if (variant.type() != type) {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+static QString variantToSignature(const QVariant& argument,
+ bool constantList = true) {
+ switch (argument.type()) {
+ case QVariant::Bool:
+ return "b";
+ case QVariant::ByteArray:
+ return "ay";
+ case QVariant::Char:
+ return "y";
+ case QVariant::Int:
+ return "i";
+ case QVariant::UInt:
+ return "u";
+ case QVariant::StringList:
+ return "as";
+ case QVariant::String:
+ return "s";
+ case QVariant::LongLong:
+ return "x";
+ case QVariant::ULongLong:
+ return "t";
+ case QVariant::List:
+ {
+ QString signature;
+ QVariantList variantList = argument.toList();
+ if (!constantList) {
+ signature += DBUS_STRUCT_BEGIN_CHAR_AS_STRING;
+ foreach(QVariant listItem, variantList) {
+ signature += variantToSignature(listItem);
+ }
+ signature += DBUS_STRUCT_END_CHAR_AS_STRING;
+ } else {
+ if (variantList.isEmpty())
+ return "";
+ signature = "a" + variantToSignature(variantList[0]);
+ }
+
+ return signature;
+ }
+ default:
+ qDebug() << "Unsupported variant type: " << argument.type();
+ break;
+ }
+
+ return "";
+}
+
+static bool appendVariantToDBusMessage(const QVariant& argument,
+ DBusMessageIter *dbus_iter) {
+ int idx = 0;
+ DBusMessageIter array_iter;
+ QStringList str_list;
+ dbus_bool_t bool_data;
+ dbus_int32_t int32_data;
+ dbus_uint32_t uint32_data;
+ dbus_int64_t int64_data;
+ dbus_uint64_t uint64_data;
+ char *str_data;
+ char char_data;
+
+ switch (argument.type()) {
+
+ case QVariant::Bool:
+ bool_data = argument.toBool();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_BOOLEAN,
+ &bool_data);
+ break;
+
+ case QVariant::ByteArray:
+ str_data = argument.toByteArray().data();
+ dbus_message_iter_open_container(dbus_iter, DBUS_TYPE_ARRAY,
+ DBUS_TYPE_BYTE_AS_STRING, &array_iter);
+ dbus_message_iter_append_fixed_array(&array_iter,
+ DBUS_TYPE_BYTE,
+ &str_data,
+ argument.toByteArray().size());
+ dbus_message_iter_close_container(dbus_iter, &array_iter);
+ break;
+
+ case QVariant::Char:
+ char_data = argument.toChar().toAscii();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_BYTE,
+ &char_data);
+ break;
+
+ case QVariant::Int:
+ int32_data = argument.toInt();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_INT32,
+ &int32_data);
+ break;
+
+ case QVariant::String:
+ str_data = argument.toString().toLatin1().data();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_STRING,
+ &str_data);
+ break;
+
+ case QVariant::StringList:
+ str_list = argument.toStringList();
+ dbus_message_iter_open_container(dbus_iter, DBUS_TYPE_ARRAY,
+ "s", &array_iter);
+ for (idx = 0; idx < str_list.size(); idx++) {
+ str_data = str_list.at(idx).toLatin1().data();
+ dbus_message_iter_append_basic(&array_iter,
+ DBUS_TYPE_STRING,
+ &str_data);
+ }
+ dbus_message_iter_close_container(dbus_iter, &array_iter);
+ break;
+
+ case QVariant::UInt:
+ uint32_data = argument.toUInt();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_UINT32,
+ &uint32_data);
+ break;
+
+ case QVariant::ULongLong:
+ uint64_data = argument.toULongLong();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_UINT64,
+ &uint64_data);
+ break;
+
+ case QVariant::LongLong:
+ int64_data = argument.toLongLong();
+ dbus_message_iter_append_basic(dbus_iter, DBUS_TYPE_INT64,
+ &int64_data);
+ break;
+
+ case QVariant::List:
+ {
+ QVariantList variantList = argument.toList();
+ bool constantList = constantVariantList(variantList);
+ DBusMessageIter array_iter;
+
+ // List is mapped either as an DBUS array (all items same type)
+ // DBUS struct (variable types) depending on constantList
+ if (constantList) {
+ // Resolve the signature for the first item
+ QString signature = "";
+ if (!variantList.isEmpty()) {
+ signature = variantToSignature(
+ variantList[0],
+ constantVariantList(variantList[0].toList()));
+ }
+
+ // Mapped as DBUS array
+ dbus_message_iter_open_container(dbus_iter, DBUS_TYPE_ARRAY,
+ signature.toAscii(),
+ &array_iter);
+
+ foreach(QVariant listItem, variantList) {
+ appendVariantToDBusMessage(listItem, &array_iter);
+ }
+
+ dbus_message_iter_close_container(dbus_iter, &array_iter);
+ } else {
+ // Mapped as DBUS struct
+ dbus_message_iter_open_container(dbus_iter, DBUS_TYPE_STRUCT,
+ NULL,
+ &array_iter);
+
+ foreach(QVariant listItem, variantList) {
+ appendVariantToDBusMessage(listItem, &array_iter);
+ }
+
+ dbus_message_iter_close_container(dbus_iter, &array_iter);
+ }
+
+ break;
+ }
+ default:
+ qDebug() << "Unsupported variant type: " << argument.type();
+ break;
+ }
+
+ return true;
+}
+
+static QVariant getVariantFromDBusMessage(DBusMessageIter *iter) {
+ dbus_bool_t bool_data;
+ dbus_int32_t int32_data;
+ dbus_uint32_t uint32_data;
+ dbus_int64_t int64_data;
+ dbus_uint64_t uint64_data;
+ char *str_data;
+ char char_data;
+ int argtype = dbus_message_iter_get_arg_type(iter);
+
+ switch (argtype) {
+
+ case DBUS_TYPE_BOOLEAN:
+ {
+ dbus_message_iter_get_basic(iter, &bool_data);
+ QVariant variant((bool)bool_data);
+ return variant;
+ }
+
+ case DBUS_TYPE_ARRAY:
+ {
+ // Handle all arrays here
+ int elem_type = dbus_message_iter_get_element_type(iter);
+ DBusMessageIter array_iter;
+
+ dbus_message_iter_recurse(iter, &array_iter);
+
+ if (elem_type == DBUS_TYPE_BYTE) {
+ QByteArray byte_array;
+ do {
+ dbus_message_iter_get_basic(&array_iter, &char_data);
+ byte_array.append(char_data);
+ } while (dbus_message_iter_next(&array_iter));
+ QVariant variant(byte_array);
+ return variant;
+ } else if (elem_type == DBUS_TYPE_STRING) {
+ QStringList str_list;
+ do {
+ dbus_message_iter_get_basic(&array_iter, &str_data);
+ str_list.append(str_data);
+ } while (dbus_message_iter_next(&array_iter));
+ QVariant variant(str_list);
+ return variant;
+ } else {
+ QVariantList variantList;
+ do {
+ variantList << getVariantFromDBusMessage(&array_iter);
+ } while (dbus_message_iter_next(&array_iter));
+ QVariant variant(variantList);
+ return variant;
+ }
+ break;
+ }
+
+ case DBUS_TYPE_BYTE:
+ {
+ dbus_message_iter_get_basic(iter, &char_data);
+ QChar ch(char_data);
+ QVariant variant(ch);
+ return variant;
+ }
+
+ case DBUS_TYPE_INT32:
+ {
+ dbus_message_iter_get_basic(iter, &int32_data);
+ QVariant variant((int)int32_data);
+ return variant;
+ }
+
+ case DBUS_TYPE_UINT32:
+ {
+ dbus_message_iter_get_basic(iter, &uint32_data);
+ QVariant variant((uint)uint32_data);
+ return variant;
+ }
+
+ case DBUS_TYPE_STRING:
+ {
+ dbus_message_iter_get_basic(iter, &str_data);
+ QString str(str_data);
+ QVariant variant(str);
+ return variant;
+ }
+
+ case DBUS_TYPE_INT64:
+ {
+ dbus_message_iter_get_basic(iter, &int64_data);
+ QVariant variant((qlonglong)int64_data);
+ return variant;
+ }
+
+ case DBUS_TYPE_UINT64:
+ {
+ dbus_message_iter_get_basic(iter, &uint64_data);
+ QVariant variant((qulonglong)uint64_data);
+ return variant;
+ }
+
+ case DBUS_TYPE_STRUCT:
+ {
+ // Handle all structs here
+ DBusMessageIter struct_iter;
+ dbus_message_iter_recurse(iter, &struct_iter);
+
+ QVariantList variantList;
+ do {
+ variantList << getVariantFromDBusMessage(&struct_iter);
+ } while (dbus_message_iter_next(&struct_iter));
+ QVariant variant(variantList);
+ return variant;
+ }
+
+ default:
+ qDebug() << "Unsupported DBUS type: " << argtype;
+ }
+
+ return QVariant();
+}
+
+static DBusHandlerResult signalHandler (DBusConnection *connection,
+ DBusMessage *message,
+ void *object_ref) {
+ (void)connection;
+ QString interface;
+ QString signal;
+ DBusDispatcher *dispatcher = (DBusDispatcher *)object_ref;
+
+ if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_SIGNAL) {
+ interface = dbus_message_get_interface(message);
+ signal = dbus_message_get_member(message);
+
+ QList<QVariant> arglist;
+ DBusMessageIter dbus_iter;
+
+ if (dbus_message_iter_init(message, &dbus_iter)) {
+ // Read return arguments
+ while (dbus_message_iter_get_arg_type (&dbus_iter) != DBUS_TYPE_INVALID) {
+ arglist << getVariantFromDBusMessage(&dbus_iter);
+ dbus_message_iter_next(&dbus_iter);
+ }
+ }
+
+ dispatcher->emitSignalReceived(interface, signal, arglist);
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+ (void)message;
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+DBusDispatcher::DBusDispatcher(const QString& service,
+ const QString& path,
+ const QString& interface,
+ QObject *parent)
+ : QObject(parent),
+ d_ptr(new DBusDispatcherPrivate(service, path, interface, path)) {
+ setupDBus();
+}
+
+DBusDispatcher::DBusDispatcher(const QString& service,
+ const QString& path,
+ const QString& interface,
+ const QString& signalPath,
+ QObject *parent)
+ : QObject(parent),
+ d_ptr(new DBusDispatcherPrivate(service, path, interface, signalPath)) {
+ setupDBus();
+}
+
+DBusDispatcher::~DBusDispatcher()
+{
+ if (d_ptr->connection) {
+ dbus_connection_close(d_ptr->connection);
+ dbus_connection_unref(d_ptr->connection);
+ }
+ delete d_ptr;
+}
+
+void DBusDispatcher::setupDBus()
+{
+ d_ptr->connection = dbus_bus_get_private(DBUS_BUS_SYSTEM, NULL);
+
+ if (d_ptr->connection == NULL)
+ qDebug() << "Unable to get DBUS connection!";
+ else {
+ d_ptr->signal_vtable.message_function = signalHandler;
+
+ dbus_connection_set_exit_on_disconnect(d_ptr->connection, FALSE);
+ dbus_connection_setup_with_g_main(d_ptr->connection, NULL);
+ dbus_connection_register_object_path(d_ptr->connection,
+ d_ptr->signalPath.toLatin1(),
+ &d_ptr->signal_vtable,
+ this);
+ }
+}
+
+static DBusMessage *prepareDBusCall(const QString& service,
+ const QString& path,
+ const QString& interface,
+ const QString& method,
+ const QVariant& arg1 = QVariant(),
+ const QVariant& arg2 = QVariant(),
+ const QVariant& arg3 = QVariant(),
+ const QVariant& arg4 = QVariant(),
+ const QVariant& arg5 = QVariant(),
+ const QVariant& arg6 = QVariant(),
+ const QVariant& arg7 = QVariant(),
+ const QVariant& arg8 = QVariant())
+{
+ DBusMessage *message = dbus_message_new_method_call(service.toLatin1(),
+ path.toLatin1(),
+ interface.toLatin1(),
+ method.toLatin1());
+ DBusMessageIter dbus_iter;
+
+ // Append variants to DBUS message
+ QList<QVariant> arglist;
+ if (arg1.isValid()) arglist << arg1;
+ if (arg2.isValid()) arglist << arg2;
+ if (arg3.isValid()) arglist << arg3;
+ if (arg4.isValid()) arglist << arg4;
+ if (arg5.isValid()) arglist << arg5;
+ if (arg6.isValid()) arglist << arg6;
+ if (arg7.isValid()) arglist << arg7;
+ if (arg8.isValid()) arglist << arg8;
+
+ dbus_message_iter_init_append (message, &dbus_iter);
+
+ while (!arglist.isEmpty()) {
+ QVariant argument = arglist.takeFirst();
+ appendVariantToDBusMessage(argument, &dbus_iter);
+ }
+
+ return message;
+}
+
+QList<QVariant> DBusDispatcher::call(const QString& method,
+ const QVariant& arg1,
+ const QVariant& arg2,
+ const QVariant& arg3,
+ const QVariant& arg4,
+ const QVariant& arg5,
+ const QVariant& arg6,
+ const QVariant& arg7,
+ const QVariant& arg8) {
+ DBusMessageIter dbus_iter;
+ DBusMessage *message = prepareDBusCall(d_ptr->service, d_ptr->path,
+ d_ptr->interface, method,
+ arg1, arg2, arg3, arg4, arg5,
+ arg6, arg7, arg8);
+ DBusMessage *reply = dbus_connection_send_with_reply_and_block(
+ d_ptr->connection,
+ message, -1, NULL);
+ dbus_message_unref(message);
+
+ QList<QVariant> replylist;
+ if (reply != NULL && dbus_message_iter_init(reply, &dbus_iter)) {
+ // Read return arguments
+ while (dbus_message_iter_get_arg_type (&dbus_iter) != DBUS_TYPE_INVALID) {
+ replylist << getVariantFromDBusMessage(&dbus_iter);
+ dbus_message_iter_next(&dbus_iter);
+ }
+ }
+ if (reply != NULL) dbus_message_unref(reply);
+ return replylist;
+}
+
+class PendingCallInfo {
+public:
+ QString method;
+ DBusDispatcher *dispatcher;
+ DBusDispatcherPrivate *priv;
+};
+
+static void freePendingCallInfo(void *memory) {
+ PendingCallInfo *info = (PendingCallInfo *)memory;
+ delete info;
+}
+
+static void pendingCallFunction (DBusPendingCall *pending,
+ void *memory) {
+ PendingCallInfo *info = (PendingCallInfo *)memory;
+ QString errorStr;
+ QList<QVariant> replyList;
+ DBusMessage *reply = dbus_pending_call_steal_reply (pending);
+
+ Q_ASSERT(reply != NULL);
+
+ if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+ errorStr = dbus_message_get_error_name (reply);
+ } else {
+ DBusMessageIter dbus_iter;
+ dbus_message_iter_init(reply, &dbus_iter);
+ // Read return arguments
+ while (dbus_message_iter_get_arg_type (&dbus_iter) != DBUS_TYPE_INVALID) {
+ replyList << getVariantFromDBusMessage(&dbus_iter);
+ dbus_message_iter_next(&dbus_iter);
+ }
+ }
+
+ info->priv->pending_calls.removeOne(pending);
+ info->dispatcher->emitCallReply(info->method, replyList, errorStr);
+ dbus_message_unref(reply);
+ dbus_pending_call_unref(pending);
+}
+
+bool DBusDispatcher::callAsynchronous(const QString& method,
+ const QVariant& arg1,
+ const QVariant& arg2,
+ const QVariant& arg3,
+ const QVariant& arg4,
+ const QVariant& arg5,
+ const QVariant& arg6,
+ const QVariant& arg7,
+ const QVariant& arg8) {
+ DBusMessage *message = prepareDBusCall(d_ptr->service, d_ptr->path,
+ d_ptr->interface, method,
+ arg1, arg2, arg3, arg4, arg5,
+ arg6, arg7, arg8);
+ DBusPendingCall *call = NULL;
+ dbus_bool_t ret = dbus_connection_send_with_reply(d_ptr->connection,
+ message, &call, -1);
+ PendingCallInfo *info = new PendingCallInfo;
+ info->method = method;
+ info->dispatcher = this;
+ info->priv = d_ptr;
+
+ dbus_pending_call_set_notify(call, pendingCallFunction, info, freePendingCallInfo);
+ d_ptr->pending_calls.append(call);
+ return (bool)ret;
+}
+
+void DBusDispatcher::emitSignalReceived(const QString& interface,
+ const QString& signal,
+ const QList<QVariant>& args) {
+ emit signalReceived(interface, signal, args); }
+
+void DBusDispatcher::emitCallReply(const QString& method,
+ const QList<QVariant>& args,
+ const QString& error) {
+ emit callReply(method, args, error); }
+
+void DBusDispatcher::synchronousDispatch(int timeout_ms)
+{
+ dbus_connection_read_write_dispatch(d_ptr->connection, timeout_ms);
+}
+
+} // Maemo namespace
+