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server.go
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server.go
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package main
import (
"flag"
"fmt"
"net"
"strings"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
"github.com/converged-computing/fluxion/pkg/fluxion"
pb "github.com/converged-computing/fluxion/pkg/fluxion-grpc"
)
const (
defaultPort = "4242"
defaultHost = ""
)
var responsechan chan string
func main() {
fmt.Println("🦩️ This is the fluxion graph server")
grpcPort := flag.String("port", defaultPort, "Port for grpc service")
grpcHost := flag.String("host", defaultHost, "Host for grpc service")
flag.Parse()
// Ensure our port starts with :
port := *grpcPort
host := *grpcHost
if !strings.HasPrefix(":", port) {
port = fmt.Sprintf(":%s", port)
}
address := fmt.Sprintf("%s%s", host, port)
lis, err := net.Listen("tcp", address)
if err != nil {
fmt.Printf("[GRPCServer] failed to listen: %v\n", err)
}
// Fluxion GRPC
// We don't init here, that is done via gRPC
flux := fluxion.Fluxion{}
responsechan = make(chan string)
s := grpc.NewServer(
grpc.KeepaliveParams(keepalive.ServerParameters{
MaxConnectionIdle: 5 * time.Minute,
}),
)
pb.RegisterFluxionServiceServer(s, &flux)
fmt.Printf("[GRPCServer] gRPC Listening on %s\n", lis.Addr().String())
if err := s.Serve(lis); err != nil {
fmt.Printf("[GRPCServer] failed to serve: %v\n", err)
}
fmt.Printf("[GRPCServer] Exiting\n")
}