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// Copyright (C) 2013-2015 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifdef WIN32
#include <WinSock2.h>
#else
#include <poll.h>
#endif
#include <chrono>
#include <CommonAPI/DBus/DBusMainLoopContext.hpp>
#include <CommonAPI/DBus/DBusConnection.hpp>
namespace CommonAPI {
namespace DBus {
DBusDispatchSource::DBusDispatchSource(DBusConnection* dbusConnection):
dbusConnection_(dbusConnection) {
}
DBusDispatchSource::~DBusDispatchSource() {
}
bool DBusDispatchSource::prepare(int64_t& timeout) {
return dbusConnection_->isDispatchReady();
}
bool DBusDispatchSource::check() {
return dbusConnection_->isDispatchReady();
}
bool DBusDispatchSource::dispatch() {
return dbusConnection_->singleDispatch();
}
DBusWatch::DBusWatch(::DBusWatch* libdbusWatch, std::weak_ptr<MainLoopContext>& mainLoopContext):
libdbusWatch_(libdbusWatch),
mainLoopContext_(mainLoopContext) {
assert(libdbusWatch_);
}
bool DBusWatch::isReadyToBeWatched() {
return 0 != dbus_watch_get_enabled(libdbusWatch_);
}
void DBusWatch::startWatching() {
if(!dbus_watch_get_enabled(libdbusWatch_)) stopWatching();
unsigned int channelFlags_ = dbus_watch_get_flags(libdbusWatch_);
#ifdef WIN32
short int pollFlags = 0;
#else
short int pollFlags = POLLERR | POLLHUP;
#endif
if(channelFlags_ & DBUS_WATCH_READABLE) {
pollFlags |= POLLIN;
}
if(channelFlags_ & DBUS_WATCH_WRITABLE) {
pollFlags |= POLLOUT;
}
#ifdef WIN32
pollFileDescriptor_.fd = dbus_watch_get_socket(libdbusWatch_);
#else
pollFileDescriptor_.fd = dbus_watch_get_unix_fd(libdbusWatch_);
#endif
pollFileDescriptor_.events = pollFlags;
pollFileDescriptor_.revents = 0;
auto lockedContext = mainLoopContext_.lock();
assert(lockedContext);
lockedContext->registerWatch(this);
}
void DBusWatch::stopWatching() {
auto lockedContext = mainLoopContext_.lock();
if (lockedContext) {
lockedContext->deregisterWatch(this);
}
}
const pollfd& DBusWatch::getAssociatedFileDescriptor() {
return pollFileDescriptor_;
}
void DBusWatch::dispatch(unsigned int eventFlags) {
#ifdef WIN32
unsigned int dbusWatchFlags = 0;
if (eventFlags & (POLLRDBAND | POLLRDNORM)) {
dbusWatchFlags |= DBUS_WATCH_READABLE;
}
if (eventFlags & POLLWRNORM) {
dbusWatchFlags |= DBUS_WATCH_WRITABLE;
}
if (eventFlags & (POLLERR | POLLNVAL)) {
dbusWatchFlags |= DBUS_WATCH_ERROR;
}
if (eventFlags & POLLHUP) {
dbusWatchFlags |= DBUS_WATCH_HANGUP;
}
#else
// Pollflags do not correspond directly to DBus watch flags
unsigned int dbusWatchFlags = (eventFlags & POLLIN) |
((eventFlags & POLLOUT) >> 1) |
((eventFlags & POLLERR) >> 1) |
((eventFlags & POLLHUP) >> 1);
#endif
dbus_watch_handle(libdbusWatch_, dbusWatchFlags);
}
const std::vector<DispatchSource*>& DBusWatch::getDependentDispatchSources() {
return dependentDispatchSources_;
}
void DBusWatch::addDependentDispatchSource(DispatchSource* dispatchSource) {
dependentDispatchSources_.push_back(dispatchSource);
}
DBusTimeout::DBusTimeout(::DBusTimeout* libdbusTimeout, std::weak_ptr<MainLoopContext>& mainLoopContext) :
dueTimeInMs_(TIMEOUT_INFINITE),
libdbusTimeout_(libdbusTimeout),
mainLoopContext_(mainLoopContext) {
}
bool DBusTimeout::isReadyToBeMonitored() {
return 0 != dbus_timeout_get_enabled(libdbusTimeout_);
}
void DBusTimeout::startMonitoring() {
auto lockedContext = mainLoopContext_.lock();
assert(lockedContext);
recalculateDueTime();
lockedContext->registerTimeoutSource(this);
}
void DBusTimeout::stopMonitoring() {
dueTimeInMs_ = TIMEOUT_INFINITE;
auto lockedContext = mainLoopContext_.lock();
if (lockedContext) {
lockedContext->deregisterTimeoutSource(this);
}
}
bool DBusTimeout::dispatch() {
recalculateDueTime();
dbus_timeout_handle(libdbusTimeout_);
return true;
}
int64_t DBusTimeout::getTimeoutInterval() const {
return dbus_timeout_get_interval(libdbusTimeout_);
}
int64_t DBusTimeout::getReadyTime() const {
return dueTimeInMs_;
}
void DBusTimeout::recalculateDueTime() {
if(dbus_timeout_get_enabled(libdbusTimeout_)) {
unsigned int intervalInMs = dbus_timeout_get_interval(libdbusTimeout_);
dueTimeInMs_ = getCurrentTimeInMs() + intervalInMs;
} else {
dueTimeInMs_ = TIMEOUT_INFINITE;
}
}
} // namespace DBus
} // namespace CommonAPI
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