package main /* import ( "context" "log" "math/rand" "time" "git.scraperwall.com/scw/data" "google.golang.org/grpc" pb "git.scraperwall.com/scw/grpc/scw" ) // ScwRPC sends incoming requests to an RPC server type ScwRPC struct { Connection *grpc.ClientConn Client pb.SCWProtosClient RChan chan *data.Request RChanCap int } // Connect creates a new connection to the RPC server func (s *ScwRPC) Connect(addr string) error { var err error s.Connection, err = grpc.Dial(addr, grpc.WithInsecure()) if err != nil { return err } // defer conn.Close() s.Client = pb.NewSCWProtosClient(s.Connection) return nil } func (s *ScwRPC) sendRequest(req *data.Request) { ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond) _, err := s.Client.SendRequest(ctx, req) defer cancel() if err != nil { if rand.Intn(100) == 0 { log.Printf("sending request failed: %s\n", err) } return } } // NewScwRPC generates a new ScwRPC instance func NewScwRPC(addr string) (*ScwRPC, error) { s := &ScwRPC{} err := s.Connect(addr) if err != nil { return nil, err } s.RChanCap = 5000 s.RChan = make(chan *data.Request, s.RChanCap) go func() { for r := range s.RChan { go s.sendRequest(r) } }() return s, nil } */