vendor: update go-systemd, probing

cmd/vendor/github.com/coreos/go-systemd/util/util.go

@@ -18,96 +18,23 @@
 // than linking against them.
 package util
 
-// #include <stdlib.h>
-// #include <sys/types.h>
-// #include <unistd.h>
-//
-// int
-// my_sd_pid_get_owner_uid(void *f, pid_t pid, uid_t *uid)
-// {
-//   int (*sd_pid_get_owner_uid)(pid_t, uid_t *);
-//
-//   sd_pid_get_owner_uid = (int (*)(pid_t, uid_t *))f;
-//   return sd_pid_get_owner_uid(pid, uid);
-// }
-//
-// int
-// my_sd_pid_get_unit(void *f, pid_t pid, char **unit)
-// {
-//   int (*sd_pid_get_unit)(pid_t, char **);
-//
-//   sd_pid_get_unit = (int (*)(pid_t, char **))f;
-//   return sd_pid_get_unit(pid, unit);
-// }
-//
-// int
-// my_sd_pid_get_slice(void *f, pid_t pid, char **slice)
-// {
-//   int (*sd_pid_get_slice)(pid_t, char **);
-//
-//   sd_pid_get_slice = (int (*)(pid_t, char **))f;
-//   return sd_pid_get_slice(pid, slice);
-// }
-//
-// int
-// am_session_leader()
-// {
-//   return (getsid(0) == getpid());
-// }
-import "C"
 import (
 	"fmt"
 	"io/ioutil"
 	"os"
 	"strings"
-	"syscall"
-	"unsafe"
-
-	"github.com/coreos/pkg/dlopen"
 )
 
-var libsystemdNames = []string{
-	// systemd < 209
-	"libsystemd-login.so.0",
-	"libsystemd-login.so",
-
-	// systemd >= 209 merged libsystemd-login into libsystemd proper
-	"libsystemd.so.0",
-	"libsystemd.so",
-}
+var (
+	ErrNoCGO = fmt.Errorf("go-systemd built with CGO disabled")
+)
 
 // GetRunningSlice attempts to retrieve the name of the systemd slice in which
 // the current process is running.
 // This function is a wrapper around the libsystemd C library; if it cannot be
 // opened, an error is returned.
-func GetRunningSlice() (slice string, err error) {
-	var h *dlopen.LibHandle
-	h, err = dlopen.GetHandle(libsystemdNames)
-	if err != nil {
-		return
-	}
-	defer func() {
-		if err1 := h.Close(); err1 != nil {
-			err = err1
-		}
-	}()
-
-	sd_pid_get_slice, err := h.GetSymbolPointer("sd_pid_get_slice")
-	if err != nil {
-		return
-	}
-
-	var s string
-	sl := C.CString(s)
-	defer C.free(unsafe.Pointer(sl))
-
-	ret := C.my_sd_pid_get_slice(sd_pid_get_slice, 0, &sl)
-	if ret < 0 {
-		err = fmt.Errorf("error calling sd_pid_get_slice: %v", syscall.Errno(-ret))
-		return
-	}
-
-	return C.GoString(sl), nil
+func GetRunningSlice() (string, error) {
+	return getRunningSlice()
 }
 
 // RunningFromSystemService tries to detect whether the current process has
@@ -125,81 +52,17 @@ func GetRunningSlice() (slice string, err error) {
 //
 // This function is a wrapper around the libsystemd C library; if this is
 // unable to successfully open a handle to the library for any reason (e.g. it
-// cannot be found), an errr will be returned
-func RunningFromSystemService() (ret bool, err error) {
-	var h *dlopen.LibHandle
-	h, err = dlopen.GetHandle(libsystemdNames)
-	if err != nil {
-		return
-	}
-	defer func() {
-		if err1 := h.Close(); err1 != nil {
-			err = err1
-		}
-	}()
-
-	sd_pid_get_owner_uid, err := h.GetSymbolPointer("sd_pid_get_owner_uid")
-	if err != nil {
-		return
-	}
-
-	var uid C.uid_t
-	errno := C.my_sd_pid_get_owner_uid(sd_pid_get_owner_uid, 0, &uid)
-	serrno := syscall.Errno(-errno)
-	// when we're running from a unit file, sd_pid_get_owner_uid returns
-	// ENOENT (systemd <220) or ENXIO (systemd >=220)
-	switch {
-	case errno >= 0:
-		ret = false
-	case serrno == syscall.ENOENT, serrno == syscall.ENXIO:
-		// Since the implementation of sessions in systemd relies on
-		// the `pam_systemd` module, using the sd_pid_get_owner_uid
-		// heuristic alone can result in false positives if that module
-		// (or PAM itself) is not present or properly configured on the
-		// system. As such, we also check if we're the session leader,
-		// which should be the case if we're invoked from a unit file,
-		// but not if e.g. we're invoked from the command line from a
-		// user's login session
-		ret = C.am_session_leader() == 1
-	default:
-		err = fmt.Errorf("error calling sd_pid_get_owner_uid: %v", syscall.Errno(-errno))
-	}
-	return
+// cannot be found), an error will be returned.
+func RunningFromSystemService() (bool, error) {
+	return runningFromSystemService()
 }
 
 // CurrentUnitName attempts to retrieve the name of the systemd system unit
 // from which the calling process has been invoked. It wraps the systemd
 // `sd_pid_get_unit` call, with the same caveat: for processes not part of a
 // systemd system unit, this function will return an error.
-func CurrentUnitName() (unit string, err error) {
-	var h *dlopen.LibHandle
-	h, err = dlopen.GetHandle(libsystemdNames)
-	if err != nil {
-		return
-	}
-	defer func() {
-		if err1 := h.Close(); err1 != nil {
-			err = err1
-		}
-	}()
-
-	sd_pid_get_unit, err := h.GetSymbolPointer("sd_pid_get_unit")
-	if err != nil {
-		return
-	}
-
-	var s string
-	u := C.CString(s)
-	defer C.free(unsafe.Pointer(u))
-
-	ret := C.my_sd_pid_get_unit(sd_pid_get_unit, 0, &u)
-	if ret < 0 {
-		err = fmt.Errorf("error calling sd_pid_get_unit: %v", syscall.Errno(-ret))
-		return
-	}
-
-	unit = C.GoString(u)
-	return
+func CurrentUnitName() (string, error) {
+	return currentUnitName()
 }
 
 // IsRunningSystemd checks whether the host was booted with systemd as its init

cmd/vendor/github.com/coreos/go-systemd/util/util_cgo.go

@@ -0,0 +1,174 @@
+// Copyright 2016 CoreOS, 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.
+
+// +build cgo
+
+package util
+
+// #include <stdlib.h>
+// #include <sys/types.h>
+// #include <unistd.h>
+//
+// int
+// my_sd_pid_get_owner_uid(void *f, pid_t pid, uid_t *uid)
+// {
+//   int (*sd_pid_get_owner_uid)(pid_t, uid_t *);
+//
+//   sd_pid_get_owner_uid = (int (*)(pid_t, uid_t *))f;
+//   return sd_pid_get_owner_uid(pid, uid);
+// }
+//
+// int
+// my_sd_pid_get_unit(void *f, pid_t pid, char **unit)
+// {
+//   int (*sd_pid_get_unit)(pid_t, char **);
+//
+//   sd_pid_get_unit = (int (*)(pid_t, char **))f;
+//   return sd_pid_get_unit(pid, unit);
+// }
+//
+// int
+// my_sd_pid_get_slice(void *f, pid_t pid, char **slice)
+// {
+//   int (*sd_pid_get_slice)(pid_t, char **);
+//
+//   sd_pid_get_slice = (int (*)(pid_t, char **))f;
+//   return sd_pid_get_slice(pid, slice);
+// }
+//
+// int
+// am_session_leader()
+// {
+//   return (getsid(0) == getpid());
+// }
+import "C"
+import (
+	"fmt"
+	"syscall"
+	"unsafe"
+
+	"github.com/coreos/pkg/dlopen"
+)
+
+var libsystemdNames = []string{
+	// systemd < 209
+	"libsystemd-login.so.0",
+	"libsystemd-login.so",
+
+	// systemd >= 209 merged libsystemd-login into libsystemd proper
+	"libsystemd.so.0",
+	"libsystemd.so",
+}
+
+func getRunningSlice() (slice string, err error) {
+	var h *dlopen.LibHandle
+	h, err = dlopen.GetHandle(libsystemdNames)
+	if err != nil {
+		return
+	}
+	defer func() {
+		if err1 := h.Close(); err1 != nil {
+			err = err1
+		}
+	}()
+
+	sd_pid_get_slice, err := h.GetSymbolPointer("sd_pid_get_slice")
+	if err != nil {
+		return
+	}
+
+	var s string
+	sl := C.CString(s)
+	defer C.free(unsafe.Pointer(sl))
+
+	ret := C.my_sd_pid_get_slice(sd_pid_get_slice, 0, &sl)
+	if ret < 0 {
+		err = fmt.Errorf("error calling sd_pid_get_slice: %v", syscall.Errno(-ret))
+		return
+	}
+
+	return C.GoString(sl), nil
+}
+
+func runningFromSystemService() (ret bool, err error) {
+	var h *dlopen.LibHandle
+	h, err = dlopen.GetHandle(libsystemdNames)
+	if err != nil {
+		return
+	}
+	defer func() {
+		if err1 := h.Close(); err1 != nil {
+			err = err1
+		}
+	}()
+
+	sd_pid_get_owner_uid, err := h.GetSymbolPointer("sd_pid_get_owner_uid")
+	if err != nil {
+		return
+	}
+
+	var uid C.uid_t
+	errno := C.my_sd_pid_get_owner_uid(sd_pid_get_owner_uid, 0, &uid)
+	serrno := syscall.Errno(-errno)
+	// when we're running from a unit file, sd_pid_get_owner_uid returns
+	// ENOENT (systemd <220) or ENXIO (systemd >=220)
+	switch {
+	case errno >= 0:
+		ret = false
+	case serrno == syscall.ENOENT, serrno == syscall.ENXIO:
+		// Since the implementation of sessions in systemd relies on
+		// the `pam_systemd` module, using the sd_pid_get_owner_uid
+		// heuristic alone can result in false positives if that module
+		// (or PAM itself) is not present or properly configured on the
+		// system. As such, we also check if we're the session leader,
+		// which should be the case if we're invoked from a unit file,
+		// but not if e.g. we're invoked from the command line from a
+		// user's login session
+		ret = C.am_session_leader() == 1
+	default:
+		err = fmt.Errorf("error calling sd_pid_get_owner_uid: %v", syscall.Errno(-errno))
+	}
+	return
+}
+
+func currentUnitName() (unit string, err error) {
+	var h *dlopen.LibHandle
+	h, err = dlopen.GetHandle(libsystemdNames)
+	if err != nil {
+		return
+	}
+	defer func() {
+		if err1 := h.Close(); err1 != nil {
+			err = err1
+		}
+	}()
+
+	sd_pid_get_unit, err := h.GetSymbolPointer("sd_pid_get_unit")
+	if err != nil {
+		return
+	}
+
+	var s string
+	u := C.CString(s)
+	defer C.free(unsafe.Pointer(u))
+
+	ret := C.my_sd_pid_get_unit(sd_pid_get_unit, 0, &u)
+	if ret < 0 {
+		err = fmt.Errorf("error calling sd_pid_get_unit: %v", syscall.Errno(-ret))
+		return
+	}
+
+	unit = C.GoString(u)
+	return
+}

cmd/vendor/github.com/coreos/go-systemd/util/util_stub.go

@@ -0,0 +1,23 @@
+// Copyright 2016 CoreOS, 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.
+
+// +build !cgo
+
+package util
+
+func getRunningSlice() (string, error) { return "", ErrNoCGO }
+
+func runningFromSystemService() (bool, error) { return false, ErrNoCGO }
+
+func currentUnitName() (string, error) { return "", ErrNoCGO }

cmd/vendor/github.com/xiang90/probing/status.go

@@ -101,6 +101,7 @@ func (s *status) reset() {
 
 	s.srtt = 0
 	s.total = 0
+	s.loss = 0
 	s.health = false
 	s.clockdiff = 0
 	s.err = nil

glide.lock

@@ -1,5 +1,5 @@
-hash: b8c8aebe162aaf9ba23295e348e4099476753911e408d867948e5f42bbff4ca5
-updated: 2016-08-15T12:09:23.38281433-07:00
+hash: d56fcba6f86aae631325ec24baa27b102e915f533ed63391807795f78e8c25f6
+updated: 2016-08-15T12:13:05.482527088-07:00
 imports:
 - name: bitbucket.org/ww/goautoneg
   version: 75cd24fc2f2c2a2088577d12123ddee5f54e0675
@@ -20,7 +20,7 @@ imports:
   subpackages:
   - semver
 - name: github.com/coreos/go-systemd
-  version: d6c05a1dcbb5ac02b7653da4d99e5db340c20778
+  version: bfdc81d0d7e0fb19447b08571f63b774495251ce
   subpackages:
   - daemon
   - journal
@@ -113,7 +113,7 @@ imports:
 - name: github.com/urfave/cli
   version: 6011f165dc288c72abd8acd7722f837c5c64198d
 - name: github.com/xiang90/probing
-  version: 95bd620af35406ab93d7f5bf320dba4b4667982e
+  version: 07dd2e8dfe18522e9c447ba95f2fe95262f63bb2
 - name: golang.org/x/crypto
   version: 1351f936d976c60a0a48d728281922cf63eafb8d
   subpackages:

glide.yaml

@@ -19,7 +19,7 @@ import:
   subpackages:
   - semver
 - package: github.com/coreos/go-systemd
-  version: d6c05a1dcbb5ac02b7653da4d99e5db340c20778
+  version: bfdc81d0d7e0fb19447b08571f63b774495251ce
   subpackages:
   - daemon
   - journal
@@ -111,7 +111,7 @@ import:
 - package: github.com/urfave/cli
   version: 6011f165dc288c72abd8acd7722f837c5c64198d
 - package: github.com/xiang90/probing
-  version: 95bd620af35406ab93d7f5bf320dba4b4667982e
+  version: 07dd2e8dfe18522e9c447ba95f2fe95262f63bb2
 - package: golang.org/x/crypto
   version: 1351f936d976c60a0a48d728281922cf63eafb8d
   subpackages: