/*
* Copyright ( C ) 2019 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
#define android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
#include <sys/time.h>
#include <chrono>
#include <optional>
#include <string>
#ifdef __BIONIC__
#include <android-base/logging.h>
#include <vsockinfo.h>
#endif // __BIONIC__
namespace android {
namespace hardware {
namespace automotive {
namespace vehicle {
namespace V2_0 {
namespace impl {
template <class duration_t>
constexpr struct timeval TimeValFromChronoDuration(duration_t duration) {
using std::micro;
using std::chrono::duration_cast;
using std::chrono::microseconds;
using std::chrono::seconds;
return {
.tv_sec = static_cast <time_t>(duration_cast<seconds>(duration).count()),
.tv_usec = static_cast <suseconds_t>(duration_cast<microseconds>(duration).count() %
micro::den),
};
}
// True means fd is ready, False means timeout
bool WaitForReadWithTimeout(int fd, struct timeval&& timeout);
// True means fd is ready, False means timeout
template <class duration_t>
bool WaitForReadWithTimeout(int fd, duration_t timeout) {
return WaitForReadWithTimeout(fd, TimeValFromChronoDuration(timeout));
}
struct VirtualizedVhalServerInfo {
#ifdef __BIONIC__
android::hardware::automotive::utils::VsockConnectionInfo vsock;
#else
struct {
unsigned cid = 0 ;
unsigned port = 0 ;
} vsock;
#endif
std::string powerStateMarkerFilePath;
std::string powerStateSocket;
static std::optional<VirtualizedVhalServerInfo> fromCommandLine(int argc, char * argv[],
std::string* error);
#ifdef __BIONIC__
static std::optional<VirtualizedVhalServerInfo> fromRoPropertyStore();
#endif
std::string getServerUri() const ;
};
} // namespace impl
} // namespace V2_0
} // namespace vehicle
} // namespace automotive
} // namespace hardware
} // namespace android
#endif // android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
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