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vsudd: Log the peer's port number

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Signed-off-by: Ian Campbell <ian.campbell@docker.com>
This commit is contained in:
Ian Campbell 2016-04-07 17:38:11 +01:00
parent a8e3b55775
commit d82a23a399
1 changed files with 10 additions and 6 deletions
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16
alpine/packages/vsudd/main.go
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@ -22,8 +22,8 @@ int bind_sockaddr_vm(int fd, const struct sockaddr_vm *sa_vm) {
int connect_sockaddr_vm(int fd, const struct sockaddr_vm *sa_vm) { int connect_sockaddr_vm(int fd, const struct sockaddr_vm *sa_vm) {
return connect(fd, (const struct sockaddr*)sa_vm, sizeof(*sa_vm)); return connect(fd, (const struct sockaddr*)sa_vm, sizeof(*sa_vm));
} }
int accept_vm(int fd) { int accept_vm(int fd, struct sockaddr_vm *sa_vm, socklen_t *sa_vm_len) {
return accept(fd, 0, 0); return accept4(fd, (struct sockaddr *)sa_vm, sa_vm_len, 0);
} }
*/ */
import "C" import "C"
@ -89,18 +89,22 @@ func main() {
connid := 0 connid := 0
for { for {
var accept_sa C.struct_sockaddr_vm
var accept_sa_len C.socklen_t
connid++ connid++
fd, err := C.accept_vm(C.int(accept_fd)) accept_sa_len = C.sizeof_struct_sockaddr_vm
fd, err := C.accept_vm(C.int(accept_fd), &accept_sa, &accept_sa_len)
if err != nil { if err != nil {
log.Fatalln("Error accepting connection", err) log.Fatalln("Error accepting connection", err)
} }
go handleOne(connid, int(fd)) go handleOne(connid, int(fd), uint(accept_sa.svm_cid), uint(accept_sa.svm_port))
} }
} }
func handleOne(connid int, fd int) { func handleOne(connid int, fd int, cid, port uint) {
vsock := os.NewFile(uintptr(fd), fmt.Sprintf("vsock:%d", fd)) vsock := os.NewFile(uintptr(fd), fmt.Sprintf("vsock:%d", fd))
log.Println(connid, "Accepted connection on fd", fd) log.Printf("%d Accepted connection on fd %d from %08x.%08x", connid, fd, cid, port)
defer syscall.Close(fd) defer syscall.Close(fd)