Open source system call tests.

PiperOrigin-RevId: 224886231
Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22

1 files changed, 42 insertions, 0 deletions

diff --git a/test/syscalls/linux/socket_netlink_util.h b/test/syscalls/linux/socket_netlink_util.h
new file mode 100644
index 000000000..44b1f148c
--- /dev/null
+++ b/test/syscalls/linux/socket_netlink_util.h
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+// Copyright 2018 Google LLC
+//
+// 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.
+
+#ifndef GVISOR_TEST_SYSCALLS_SOCKET_NETLINK_UTIL_H_
+#define GVISOR_TEST_SYSCALLS_SOCKET_NETLINK_UTIL_H_
+
+#include <linux/if_arp.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+
+#include "test/util/file_descriptor.h"
+#include "test/util/posix_error.h"
+
+namespace gvisor {
+namespace testing {
+
+// Returns a bound NETLINK_ROUTE socket.
+PosixErrorOr<FileDescriptor> NetlinkBoundSocket();
+
+// Returns the port ID of the passed socket.
+PosixErrorOr<uint32_t> NetlinkPortID(int fd);
+
+// Send the passed request and call fn will all response netlink messages.
+PosixError NetlinkRequestResponse(
+    const FileDescriptor& fd, void* request, size_t len,
+    const std::function<void(const struct nlmsghdr* hdr)>& fn);
+
+}  // namespace testing
+}  // namespace gvisor
+
+#endif  // GVISOR_TEST_SYSCALLS_SOCKET_NETLINK_UTIL_H_