54 lines
997 B
Go
54 lines
997 B
Go
package client
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import (
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"context"
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"errors"
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"github.com/nspcc-dev/neofs-api-go/v2/rpc/grpc"
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grpcstd "google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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)
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func (c *Client) createGRPCClient() (err error) {
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c.gRPCClientOnce.Do(func() {
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if err = c.openGRPCConn(); err != nil {
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return
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}
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c.gRPCClient = grpc.New(
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grpc.WithClientConnection(c.conn),
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grpc.WithRWTimeout(c.rwTimeout),
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)
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})
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return
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}
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var errInvalidEndpoint = errors.New("invalid endpoint options")
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func (c *Client) openGRPCConn() error {
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if c.conn != nil {
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return nil
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}
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if c.addr == "" {
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return errInvalidEndpoint
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}
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var err error
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var credOpt grpcstd.DialOption
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if c.tlsCfg != nil {
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creds := credentials.NewTLS(c.tlsCfg)
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credOpt = grpcstd.WithTransportCredentials(creds)
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} else {
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credOpt = grpcstd.WithInsecure()
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}
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dialCtx, cancel := context.WithTimeout(context.Background(), c.dialTimeout)
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c.conn, err = grpcstd.DialContext(dialCtx, c.addr, credOpt)
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cancel()
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return err
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}
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