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authorValentin Rothberg <rothberg@redhat.com>2021-07-02 11:37:41 +0200
committerValentin Rothberg <rothberg@redhat.com>2021-07-02 11:38:28 +0200
commit7eb9ed975899ffe12fb82066aebf652444205e02 (patch)
tree7bcf61f24cab74996f3641c0d6163a0b47979694 /vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
parent955c1d2bfeac0c399bbc4d82fd7b72ed4cc868d3 (diff)
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vendor containers/common@main
Pull in fixes for local image lookups. Fixes: #10835 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/google.golang.org/grpc/internal/resolver/unix/unix.go')
-rw-r--r--vendor/google.golang.org/grpc/internal/resolver/unix/unix.go63
1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
new file mode 100644
index 000000000..0d5a811dd
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright 2020 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 unix implements a resolver for unix targets.
+package unix
+
+import (
+ "fmt"
+
+ "google.golang.org/grpc/internal/transport/networktype"
+ "google.golang.org/grpc/resolver"
+)
+
+const unixScheme = "unix"
+const unixAbstractScheme = "unix-abstract"
+
+type builder struct {
+ scheme string
+}
+
+func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolver.BuildOptions) (resolver.Resolver, error) {
+ if target.Authority != "" {
+ return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority)
+ }
+ addr := resolver.Address{Addr: target.Endpoint}
+ if b.scheme == unixAbstractScheme {
+ // prepend "\x00" to address for unix-abstract
+ addr.Addr = "\x00" + addr.Addr
+ }
+ cc.UpdateState(resolver.State{Addresses: []resolver.Address{networktype.Set(addr, "unix")}})
+ return &nopResolver{}, nil
+}
+
+func (b *builder) Scheme() string {
+ return b.scheme
+}
+
+type nopResolver struct {
+}
+
+func (*nopResolver) ResolveNow(resolver.ResolveNowOptions) {}
+
+func (*nopResolver) Close() {}
+
+func init() {
+ resolver.Register(&builder{scheme: unixScheme})
+ resolver.Register(&builder{scheme: unixAbstractScheme})
+}