Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

2 files changed, 49 insertions, 0 deletions

diff --git a/pkg/control/client/BUILD b/pkg/control/client/BUILD
new file mode 100644
index 000000000..9e1c058e4
--- /dev/null
+++ b/pkg/control/client/BUILD
@@ -0,0 +1,16 @@
+package(licenses = ["notice"])  # Apache 2.0
+
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "client",
+    srcs = [
+        "client.go",
+    ],
+    importpath = "gvisor.googlesource.com/gvisor/pkg/control/client",
+    visibility = ["//:sandbox"],
+    deps = [
+        "//pkg/unet",
+        "//pkg/urpc",
+    ],
+)
diff --git a/pkg/control/client/client.go b/pkg/control/client/client.go
new file mode 100644
index 000000000..f7c2e8776
--- /dev/null
+++ b/pkg/control/client/client.go
@@ -0,0 +1,33 @@
+// Copyright 2018 Google Inc.
+//
+// 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 client provides a basic control client interface.
+package client
+
+import (
+	"gvisor.googlesource.com/gvisor/pkg/unet"
+	"gvisor.googlesource.com/gvisor/pkg/urpc"
+)
+
+// ConnectTo attempts to connect to the sandbox with the given address.
+func ConnectTo(addr string) (*urpc.Client, error) {
+	// Connect to the server.
+	conn, err := unet.Connect(addr, false)
+	if err != nil {
+		return nil, err
+	}
+
+	// Wrap in our stream codec.
+	return urpc.NewClient(conn), nil
+}