/
grpc_util.go
53 lines (45 loc) · 1.39 KB
/
grpc_util.go
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package util
import (
"fmt"
"strconv"
"strings"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/keepalive"
)
func grpcDial(address string, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
// opts = append(opts, grpc.WithBlock())
// opts = append(opts, grpc.WithTimeout(time.Duration(5*time.Second)))
var options []grpc.DialOption
options = append(options,
// grpc.WithInsecure(),
grpc.WithKeepaliveParams(keepalive.ClientParameters{
Time: 30 * time.Second, // client ping server if no activity for this long
Timeout: 20 * time.Second,
}))
for _, opt := range opts {
if opt != nil {
options = append(options, opt)
}
}
return grpc.Dial(address, options...)
}
func GleamGrpcDial(address string, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
grpcAddress, err := ParseServerToGrpcAddress(address)
if err != nil {
return nil, err
}
return grpcDial(grpcAddress, opts...)
}
func ParseServerToGrpcAddress(server string) (serverGrpcAddress string, err error) {
colonIndex := strings.LastIndex(server, ":")
if colonIndex < 0 {
return "", fmt.Errorf("server should have hostname:port format: %v", server)
}
port, parseErr := strconv.ParseUint(server[colonIndex+1:], 10, 64)
if parseErr != nil {
return "", fmt.Errorf("server port parse error: %v", parseErr)
}
grpcPort := int(port) + 10000
return fmt.Sprintf("%s:%d", server[:colonIndex], grpcPort), nil
}