Created
July 27, 2021 15:07
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type Worker struct { | |
cfg WorkerConfig | |
masterConn *grpc.ClientConn | |
masterCli proto.JobQueueClient | |
} | |
// NewWorker creates a new Worker instance with the specified configuration. | |
func NewWorker(cfg WorkerConfig) (*Worker, error) { | |
if err := cfg.Validate(); err != nil { | |
return nil, xerrors.Errorf("worker config validation failed: %w", err) | |
} | |
return &Worker{cfg: cfg}, nil | |
} | |
// Dial establishes a connection to the master node. | |
func (w *Worker) Dial(masterEndpoint string, dialTimeout time.Duration) error { | |
var dialCtx context.Context | |
if dialTimeout != 0 { | |
var cancelFn func() | |
dialCtx, cancelFn = context.WithTimeout(context.Background(), dialTimeout) | |
defer cancelFn() | |
} | |
conn, err := grpc.DialContext(dialCtx, masterEndpoint, grpc.WithInsecure(), grpc.WithBlock()) | |
if err != nil { | |
return xerrors.Errorf("unable to dial master: %w", err) | |
} | |
w.masterConn = conn | |
w.masterCli = proto.NewJobQueueClient(conn) | |
return nil | |
} |
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