/*
Copyright (c) 2020 - present Advanced Micro Devices, Inc. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef SERVER_INCLUDE_RDC_RDC_API_SERVICE_H_
#define SERVER_INCLUDE_RDC_RDC_API_SERVICE_H_

#include <grpcpp/server_context.h>

#include <thread>

#include "rdc.grpc.pb.h"  // NOLINT
#include "rdc/rdc.h"

namespace amd {
namespace rdc {

class RdcAPIServiceImpl final : public ::rdc::RdcAPI::Service {
 public:
  RdcAPIServiceImpl();
  ~RdcAPIServiceImpl();

  rdc_status_t Initialize(uint64_t rdcd_init_flags = 0);
  void Shutdown();

  ::grpc::Status GetAllDevices(::grpc::ServerContext* context, const ::rdc::Empty* request,
                               ::rdc::GetAllDevicesResponse* reply) override;

  ::grpc::Status GetDeviceAttributes(::grpc::ServerContext* context,
                                     const ::rdc::GetDeviceAttributesRequest* request,
                                     ::rdc::GetDeviceAttributesResponse* reply) override;

  ::grpc::Status GetComponentVersion(::grpc::ServerContext* context,
                                     const ::rdc::GetComponentVersionRequest* request,
                                     ::rdc::GetComponentVersionResponse* reply) override;

  ::grpc::Status CreateGpuGroup(::grpc::ServerContext* context,
                                const ::rdc::CreateGpuGroupRequest* request,
                                ::rdc::CreateGpuGroupResponse* reply) override;

  ::grpc::Status AddToGpuGroup(::grpc::ServerContext* context,
                               const ::rdc::AddToGpuGroupRequest* request,
                               ::rdc::AddToGpuGroupResponse* reply) override;

  ::grpc::Status GetGpuGroupInfo(::grpc::ServerContext* context,
                                 const ::rdc::GetGpuGroupInfoRequest* request,
                                 ::rdc::GetGpuGroupInfoResponse* reply) override;

  ::grpc::Status GetGroupAllIds(::grpc::ServerContext* context, const ::rdc::Empty* request,
                                ::rdc::GetGroupAllIdsResponse* reply) override;

  ::grpc::Status DestroyGpuGroup(::grpc::ServerContext* context,
                                 const ::rdc::DestroyGpuGroupRequest* request,
                                 ::rdc::DestroyGpuGroupResponse* reply) override;

  ::grpc::Status CreateFieldGroup(::grpc::ServerContext* context,
                                  const ::rdc::CreateFieldGroupRequest* request,
                                  ::rdc::CreateFieldGroupResponse* reply) override;

  ::grpc::Status GetFieldGroupInfo(::grpc::ServerContext* context,
                                   const ::rdc::GetFieldGroupInfoRequest* request,
                                   ::rdc::GetFieldGroupInfoResponse* reply) override;

  ::grpc::Status GetFieldGroupAllIds(::grpc::ServerContext* context, const ::rdc::Empty* request,
                                     ::rdc::GetFieldGroupAllIdsResponse* reply) override;

  ::grpc::Status DestroyFieldGroup(::grpc::ServerContext* context,
                                   const ::rdc::DestroyFieldGroupRequest* request,
                                   ::rdc::DestroyFieldGroupResponse* reply) override;

  ::grpc::Status WatchFields(::grpc::ServerContext* context,
                             const ::rdc::WatchFieldsRequest* request,
                             ::rdc::WatchFieldsResponse* reply) override;

  ::grpc::Status GetLatestFieldValue(::grpc::ServerContext* context,
                                     const ::rdc::GetLatestFieldValueRequest* request,
                                     ::rdc::GetLatestFieldValueResponse* reply) override;

  ::grpc::Status GetFieldSince(::grpc::ServerContext* context,
                               const ::rdc::GetFieldSinceRequest* request,
                               ::rdc::GetFieldSinceResponse* reply) override;

  ::grpc::Status UnWatchFields(::grpc::ServerContext* context,
                               const ::rdc::UnWatchFieldsRequest* request,
                               ::rdc::UnWatchFieldsResponse* reply) override;

  ::grpc::Status UpdateAllFields(::grpc::ServerContext* context,
                                 const ::rdc::UpdateAllFieldsRequest* request,
                                 ::rdc::UpdateAllFieldsResponse* reply) override;

  ::grpc::Status StartJobStats(::grpc::ServerContext* context,
                               const ::rdc::StartJobStatsRequest* request,
                               ::rdc::StartJobStatsResponse* reply) override;

  ::grpc::Status GetJobStats(::grpc::ServerContext* context,
                             const ::rdc::GetJobStatsRequest* request,
                             ::rdc::GetJobStatsResponse* reply) override;

  ::grpc::Status StopJobStats(::grpc::ServerContext* context,
                              const ::rdc::StopJobStatsRequest* request,
                              ::rdc::StopJobStatsResponse* reply) override;

  ::grpc::Status RemoveJob(::grpc::ServerContext* context, const ::rdc::RemoveJobRequest* request,
                           ::rdc::RemoveJobResponse* reply) override;

  ::grpc::Status RemoveAllJob(::grpc::ServerContext* context, const ::rdc::Empty* request,
                              ::rdc::RemoveAllJobResponse* reply) override;

  ::grpc::Status DiagnosticRun(
      ::grpc::ServerContext* context, const ::rdc::DiagnosticRunRequest* request,
      ::grpc::ServerWriter< ::rdc::DiagnosticRunResponse>* writer) override;

  ::grpc::Status DiagnosticTestCaseRun(
      ::grpc::ServerContext* context, const ::rdc::DiagnosticTestCaseRunRequest* request,
      ::grpc::ServerWriter< ::rdc::DiagnosticTestCaseRunResponse>* writer) override;

  ::grpc::Status GetMixedComponentVersion(::grpc::ServerContext* context,
                                          const ::rdc::GetMixedComponentVersionRequest* request,
                                          ::rdc::GetMixedComponentVersionResponse* reply) override;

  ::grpc::Status SetPolicy(::grpc::ServerContext* context, const ::rdc::SetPolicyRequest* request,
                           ::rdc::SetPolicyResponse* reply) override;

  ::grpc::Status GetPolicy(::grpc::ServerContext* context, const ::rdc::GetPolicyRequest* request,
                           ::rdc::GetPolicyResponse* reply) override;

  ::grpc::Status DeletePolicy(::grpc::ServerContext* context,
                              const ::rdc::DeletePolicyRequest* request,
                              ::rdc::DeletePolicyResponse* reply) override;

  ::grpc::Status RegisterPolicy(
      ::grpc::ServerContext* context, const ::rdc::RegisterPolicyRequest* request,
      ::grpc::ServerWriter< ::rdc::RegisterPolicyResponse>* stream) override;

  ::grpc::Status UnRegisterPolicy(::grpc::ServerContext* context,
                                  const ::rdc::UnRegisterPolicyRequest* request,
                                  ::rdc::UnRegisterPolicyResponse* reply) override;

  ::grpc::Status GetTopology(::grpc::ServerContext* context,
                             const ::rdc::GetTopologyRequest* request,
                             ::rdc::GetTopologyResponse* reply) override;

  ::grpc::Status GetLinkStatus(::grpc::ServerContext* context, const ::rdc::Empty* request,
                               ::rdc::GetLinkStatusResponse* reply) override;

  ::grpc::Status SetHealth(::grpc::ServerContext* context, const ::rdc::SetHealthRequest* request,
                           ::rdc::SetHealthResponse* reply) override;

  ::grpc::Status GetHealth(::grpc::ServerContext* context, const ::rdc::GetHealthRequest* request,
                           ::rdc::GetHealthResponse* reply) override;

  ::grpc::Status CheckHealth(::grpc::ServerContext* context,
                             const ::rdc::CheckHealthRequest* request,
                             ::rdc::CheckHealthResponse* reply) override;

  ::grpc::Status ClearHealth(::grpc::ServerContext* context,
                             const ::rdc::ClearHealthRequest* request,
                             ::rdc::ClearHealthResponse* reply) override;

  ::grpc::Status SetConfig(::grpc::ServerContext* context, const ::rdc::SetConfigRequest* request,
                           ::rdc::SetConfigResponse* reply) override;

  ::grpc::Status GetConfig(::grpc::ServerContext* context, const ::rdc::GetConfigRequest* request,
                           ::rdc::GetConfigResponse* reply) override;

  ::grpc::Status ClearConfig(::grpc::ServerContext* context,
                             const ::rdc::ClearConfigRequest* request,
                             ::rdc::ClearConfigResponse* reply) override;

  ::grpc::Status GetNumPartition(::grpc::ServerContext* context,
                                 const ::rdc::GetNumPartitionRequest* request,
                                 ::rdc::GetNumPartitionResponse* reply) override;

  ::grpc::Status GetInstanceProfile(::grpc::ServerContext* context,
                                    const ::rdc::GetInstanceProfileRequest* request,
                                    ::rdc::GetInstanceProfileResponse* reply) override;

 private:
  bool copy_gpu_usage_info(const rdc_gpu_usage_info_t& src, ::rdc::GpuUsageInfo* target);
  rdc_handle_t rdc_handle_;

  struct policy_thread_context {
    pthread_mutex_t mutex;
    pthread_cond_t cond;
    rdc_policy_callback_response_t response;
    bool start;
  };
  // map for group_id and thread context
  static std::map<uint32_t, struct policy_thread_context*> policy_threads_;
  static int PolicyCallback(rdc_policy_callback_response_t* userData);
};

}  // namespace rdc
}  // namespace amd

#endif  // SERVER_INCLUDE_RDC_RDC_API_SERVICE_H_