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client_v1.go
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client_v1.go
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/*
* Copyright 2023 The Dragonfly Authors
*
* 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.
*/
//go:generate mockgen -destination mocks/client_v1_mock.go -source client_v1.go -package mocks
package client
import (
"context"
"github.com/google/uuid"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_zap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap"
grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/protobuf/types/known/emptypb"
commonv1 "d7y.io/api/v2/pkg/apis/common/v1"
dfdaemonv1 "d7y.io/api/v2/pkg/apis/dfdaemon/v1"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/pkg/rpc"
)
// GetV1 returns v1 version of the dfdaemon client.
func GetV1(ctx context.Context, target string, opts ...grpc.DialOption) (V1, error) {
if rpc.IsVsock(target) {
opts = append(opts, grpc.WithContextDialer(rpc.VsockDialer))
}
conn, err := grpc.DialContext(
ctx,
target,
append([]grpc.DialOption{
grpc.WithUnaryInterceptor(grpc_middleware.ChainUnaryClient(
rpc.ConvertErrorUnaryClientInterceptor,
rpc.OTELUnaryClientInterceptor(),
grpc_prometheus.UnaryClientInterceptor,
grpc_zap.UnaryClientInterceptor(logger.GrpcLogger.Desugar()),
grpc_retry.UnaryClientInterceptor(
grpc_retry.WithMax(maxRetries),
grpc_retry.WithBackoff(grpc_retry.BackoffLinear(backoffWaitBetween)),
),
)),
grpc.WithStreamInterceptor(grpc_middleware.ChainStreamClient(
rpc.ConvertErrorStreamClientInterceptor,
rpc.OTELStreamClientInterceptor(),
grpc_prometheus.StreamClientInterceptor,
grpc_zap.StreamClientInterceptor(logger.GrpcLogger.Desugar()),
)),
}, opts...)...,
)
if err != nil {
return nil, err
}
return &v1{
DaemonClient: dfdaemonv1.NewDaemonClient(conn),
ClientConn: conn,
}, nil
}
// GetInsecureV1 returns v1 version of the dfdaemon client.
// FIXME use GetV1 and insecure.NewCredentials instead of this function
func GetInsecureV1(ctx context.Context, target string, opts ...grpc.DialOption) (V1, error) {
return GetV1(ctx, target, append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))...)
}
// V1 is the interface for v1 version of the grpc client.
type V1 interface {
// Trigger client to download file.
Download(context.Context, *dfdaemonv1.DownRequest, ...grpc.CallOption) (dfdaemonv1.Daemon_DownloadClient, error)
// Get piece tasks from other peers.
GetPieceTasks(context.Context, *commonv1.PieceTaskRequest, ...grpc.CallOption) (*commonv1.PiecePacket, error)
// Sync piece tasks with other peers.
SyncPieceTasks(context.Context, *commonv1.PieceTaskRequest, ...grpc.CallOption) (dfdaemonv1.Daemon_SyncPieceTasksClient, error)
// Check if given task exists in P2P cache system.
StatTask(context.Context, *dfdaemonv1.StatTaskRequest, ...grpc.CallOption) error
// Import the given file into P2P cache system.
ImportTask(context.Context, *dfdaemonv1.ImportTaskRequest, ...grpc.CallOption) error
// Export or download file from P2P cache system.
ExportTask(context.Context, *dfdaemonv1.ExportTaskRequest, ...grpc.CallOption) error
// Delete file from P2P cache system.
DeleteTask(context.Context, *dfdaemonv1.DeleteTaskRequest, ...grpc.CallOption) error
// Check daemon health.
CheckHealth(context.Context, ...grpc.CallOption) error
// Close tears down the ClientConn and all underlying connections.
Close() error
}
// v1 provides v1 version of the dfdaemon grpc function.
type v1 struct {
dfdaemonv1.DaemonClient
*grpc.ClientConn
}
// Trigger client to download file.
func (v *v1) Download(ctx context.Context, req *dfdaemonv1.DownRequest, opts ...grpc.CallOption) (dfdaemonv1.Daemon_DownloadClient, error) {
req.Uuid = uuid.New().String()
return v.DaemonClient.Download(ctx, req, opts...)
}
// Get piece tasks from other peers.
func (v *v1) GetPieceTasks(ctx context.Context, req *commonv1.PieceTaskRequest, opts ...grpc.CallOption) (*commonv1.PiecePacket, error) {
ctx, cancel := context.WithTimeout(ctx, contextTimeout)
defer cancel()
return v.DaemonClient.GetPieceTasks(ctx, req, opts...)
}
// Sync piece tasks with other peers.
func (v *v1) SyncPieceTasks(ctx context.Context, req *commonv1.PieceTaskRequest, opts ...grpc.CallOption) (dfdaemonv1.Daemon_SyncPieceTasksClient, error) {
stream, err := v.DaemonClient.SyncPieceTasks(ctx, opts...)
if err != nil {
return nil, err
}
return stream, stream.Send(req)
}
// Check if given task exists in P2P cache system.
func (v *v1) StatTask(ctx context.Context, req *dfdaemonv1.StatTaskRequest, opts ...grpc.CallOption) error {
ctx, cancel := context.WithTimeout(ctx, contextTimeout)
defer cancel()
_, err := v.DaemonClient.StatTask(ctx, req, opts...)
return err
}
// Import the given file into P2P cache system.
func (v *v1) ImportTask(ctx context.Context, req *dfdaemonv1.ImportTaskRequest, opts ...grpc.CallOption) error {
_, err := v.DaemonClient.ImportTask(ctx, req, opts...)
return err
}
// Export or download file from P2P cache system.
func (v *v1) ExportTask(ctx context.Context, req *dfdaemonv1.ExportTaskRequest, opts ...grpc.CallOption) error {
_, err := v.DaemonClient.ExportTask(ctx, req, opts...)
return err
}
// Delete file from P2P cache system.
func (v *v1) DeleteTask(ctx context.Context, req *dfdaemonv1.DeleteTaskRequest, opts ...grpc.CallOption) error {
ctx, cancel := context.WithTimeout(ctx, contextTimeout)
defer cancel()
_, err := v.DaemonClient.DeleteTask(ctx, req, opts...)
return err
}
// Check daemon health.
func (v *v1) CheckHealth(ctx context.Context, opts ...grpc.CallOption) error {
ctx, cancel := context.WithTimeout(ctx, contextTimeout)
defer cancel()
_, err := v.DaemonClient.CheckHealth(ctx, new(emptypb.Empty), opts...)
return err
}