unix: test AF_VSOCK sockets on linux
Follow the implementation of the tests added in CL 354269 for darwin.
Change-Id: I00701227dfb26169a356d875ddb3737849d0bba0
Reviewed-on: https://go-review.googlesource.com/c/sys/+/356289
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
diff --git a/unix/syscall_internal_darwin_test.go b/unix/syscall_internal_darwin_test.go
index d89ac2a..1ac0896 100644
--- a/unix/syscall_internal_darwin_test.go
+++ b/unix/syscall_internal_darwin_test.go
@@ -138,7 +138,7 @@
}
}
-func TestSockaddVM_sockaddr(t *testing.T) {
+func TestSockaddrVM_sockaddr(t *testing.T) {
tests := []struct {
name string
sa *SockaddrVM
@@ -154,7 +154,7 @@
},
},
{
- name: "with CID and Port",
+ name: "with CID and port",
sa: &SockaddrVM{
CID: VMADDR_CID_HOST,
Port: VMADDR_PORT_ANY,
diff --git a/unix/syscall_internal_linux_test.go b/unix/syscall_internal_linux_test.go
index 7ec21ca..fd6d219 100644
--- a/unix/syscall_internal_linux_test.go
+++ b/unix/syscall_internal_linux_test.go
@@ -254,6 +254,23 @@
proto: makeProto(^0),
},
{
+ name: "AF_VSOCK emtpy",
+ rsa: sockaddrVMToAny(RawSockaddrVM{}),
+ err: EAFNOSUPPORT,
+ },
+ {
+ name: "AF_VSOCK Cid and Port",
+ rsa: sockaddrVMToAny(RawSockaddrVM{
+ Family: AF_VSOCK,
+ Cid: VMADDR_CID_HOST,
+ Port: VMADDR_PORT_ANY,
+ }),
+ sa: &SockaddrVM{
+ CID: VMADDR_CID_HOST,
+ Port: VMADDR_PORT_ANY,
+ },
+ },
+ {
name: "AF_MAX EAFNOSUPPORT",
rsa: &RawSockaddrAny{
Addr: RawSockaddr{
@@ -788,6 +805,58 @@
}
}
+func TestSockaddrVM_sockaddr(t *testing.T) {
+ tests := []struct {
+ name string
+ sa *SockaddrVM
+ raw *RawSockaddrVM
+ err error
+ }{
+ {
+ name: "empty",
+ sa: &SockaddrVM{},
+ raw: &RawSockaddrVM{
+ Family: AF_VSOCK,
+ },
+ },
+ {
+ name: "with CID, port and flags",
+ sa: &SockaddrVM{
+ CID: VMADDR_CID_HOST,
+ Port: VMADDR_PORT_ANY,
+ Flags: VMADDR_FLAG_TO_HOST,
+ },
+ raw: &RawSockaddrVM{
+ Family: AF_VSOCK,
+ Port: VMADDR_PORT_ANY,
+ Cid: VMADDR_CID_HOST,
+ Flags: VMADDR_FLAG_TO_HOST,
+ },
+ },
+ }
+
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ out, l, err := tt.sa.sockaddr()
+ if err != tt.err {
+ t.Fatalf("unexpected error: %v, want: %v", err, tt.err)
+ }
+
+ // Must be 0 on error or a fixed size otherwise.
+ if (tt.err != nil && l != 0) || (tt.raw != nil && l != SizeofSockaddrVM) {
+ t.Fatalf("unexpected Socklen: %d", l)
+ }
+
+ if out != nil {
+ raw := (*RawSockaddrVM)(out)
+ if !reflect.DeepEqual(raw, tt.raw) {
+ t.Fatalf("unexpected RawSockaddrVM:\n got: %#v\nwant: %#v", raw, tt.raw)
+ }
+ }
+ })
+ }
+}
+
// These helpers explicitly copy the contents of in into out to produce
// the correct sockaddr structure, without relying on unsafe casting to
// a type of a larger size.
@@ -862,3 +931,12 @@
)
return &out
}
+
+func sockaddrVMToAny(in RawSockaddrVM) *RawSockaddrAny {
+ var out RawSockaddrAny
+ copy(
+ (*(*[SizeofSockaddrAny]byte)(unsafe.Pointer(&out)))[:],
+ (*(*[SizeofSockaddrVM]byte)(unsafe.Pointer(&in)))[:],
+ )
+ return &out
+}
