summaryrefslogtreecommitdiff
path: root/go/vendor/google.golang.org/grpc/go16.go
diff options
context:
space:
mode:
Diffstat (limited to 'go/vendor/google.golang.org/grpc/go16.go')
-rw-r--r--go/vendor/google.golang.org/grpc/go16.go98
1 files changed, 98 insertions, 0 deletions
diff --git a/go/vendor/google.golang.org/grpc/go16.go b/go/vendor/google.golang.org/grpc/go16.go
new file mode 100644
index 0000000..f3dbf21
--- /dev/null
+++ b/go/vendor/google.golang.org/grpc/go16.go
@@ -0,0 +1,98 @@
+// +build go1.6,!go1.7
+
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpc
+
+import (
+ "fmt"
+ "io"
+ "net"
+ "net/http"
+ "os"
+
+ "golang.org/x/net/context"
+ "google.golang.org/grpc/codes"
+ "google.golang.org/grpc/status"
+ "google.golang.org/grpc/transport"
+)
+
+// dialContext connects to the address on the named network.
+func dialContext(ctx context.Context, network, address string) (net.Conn, error) {
+ return (&net.Dialer{Cancel: ctx.Done()}).Dial(network, address)
+}
+
+func sendHTTPRequest(ctx context.Context, req *http.Request, conn net.Conn) error {
+ req.Cancel = ctx.Done()
+ if err := req.Write(conn); err != nil {
+ return fmt.Errorf("failed to write the HTTP request: %v", err)
+ }
+ return nil
+}
+
+// toRPCErr converts an error into an error from the status package.
+func toRPCErr(err error) error {
+ if _, ok := status.FromError(err); ok {
+ return err
+ }
+ switch e := err.(type) {
+ case transport.StreamError:
+ return status.Error(e.Code, e.Desc)
+ case transport.ConnectionError:
+ return status.Error(codes.Unavailable, e.Desc)
+ default:
+ switch err {
+ case context.DeadlineExceeded:
+ return status.Error(codes.DeadlineExceeded, err.Error())
+ case context.Canceled:
+ return status.Error(codes.Canceled, err.Error())
+ case ErrClientConnClosing:
+ return status.Error(codes.FailedPrecondition, err.Error())
+ }
+ }
+ return status.Error(codes.Unknown, err.Error())
+}
+
+// convertCode converts a standard Go error into its canonical code. Note that
+// this is only used to translate the error returned by the server applications.
+func convertCode(err error) codes.Code {
+ switch err {
+ case nil:
+ return codes.OK
+ case io.EOF:
+ return codes.OutOfRange
+ case io.ErrClosedPipe, io.ErrNoProgress, io.ErrShortBuffer, io.ErrShortWrite, io.ErrUnexpectedEOF:
+ return codes.FailedPrecondition
+ case os.ErrInvalid:
+ return codes.InvalidArgument
+ case context.Canceled:
+ return codes.Canceled
+ case context.DeadlineExceeded:
+ return codes.DeadlineExceeded
+ }
+ switch {
+ case os.IsExist(err):
+ return codes.AlreadyExists
+ case os.IsNotExist(err):
+ return codes.NotFound
+ case os.IsPermission(err):
+ return codes.PermissionDenied
+ }
+ return codes.Unknown
+}