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client.go
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client.go
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// Copyright (c) Ultraviolet
// SPDX-License-Identifier: Apache-2.0
package grpc
import (
"context"
"github.com/ultravioletrs/cocos/manager"
pkgmanager "github.com/ultravioletrs/cocos/pkg/manager"
"golang.org/x/sync/errgroup"
)
type ManagerClient struct {
stream pkgmanager.ManagerService_ProcessClient
svc manager.Service
responses chan *pkgmanager.ClientStreamMessage
}
// NewClient returns new gRPC client instance.
func NewClient(stream pkgmanager.ManagerService_ProcessClient, svc manager.Service, responses chan *pkgmanager.ClientStreamMessage) ManagerClient {
return ManagerClient{
stream: stream,
svc: svc,
responses: responses,
}
}
func (client ManagerClient) Process(ctx context.Context) error {
eg, ctx := errgroup.WithContext(ctx)
eg.Go(func() error {
for {
req, err := client.stream.Recv()
if err != nil {
return err
}
port, err := client.svc.Run(ctx, req)
if err != nil {
return err
}
runRes := &pkgmanager.ClientStreamMessage_RunRes{RunRes: &pkgmanager.RunResponse{AgentPort: port, ComputationId: req.Id}}
if err := client.stream.Send(&pkgmanager.ClientStreamMessage{Message: runRes}); err != nil {
return err
}
}
})
eg.Go(func() error {
for mes := range client.responses {
if err := client.stream.Send(mes); err != nil {
return err
}
}
return nil
})
return eg.Wait()
}