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authorValentin Rothberg <rothberg@redhat.com>2020-03-10 18:18:58 +0100
committerValentin Rothberg <rothberg@redhat.com>2020-03-10 18:34:55 +0100
commit450361fc640751c2a33210a02ceff0874c9f449b (patch)
treeeb0f958a0c46f769e344faf8732e5327b9458ca0 /vendor/github.com/godbus/dbus/encoder.go
parent3d48940927b1133e2bfd1c3accba84345cc56ee6 (diff)
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update systemd & dbus dependencies
Update the outdated systemd and dbus dependencies which are now provided as go modules. This will further tighten our dependencies and releases and pave the way for the upcoming auto-update feature. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/github.com/godbus/dbus/encoder.go')
-rw-r--r--vendor/github.com/godbus/dbus/encoder.go210
1 files changed, 0 insertions, 210 deletions
diff --git a/vendor/github.com/godbus/dbus/encoder.go b/vendor/github.com/godbus/dbus/encoder.go
deleted file mode 100644
index 8bb717761..000000000
--- a/vendor/github.com/godbus/dbus/encoder.go
+++ /dev/null
@@ -1,210 +0,0 @@
-package dbus
-
-import (
- "bytes"
- "encoding/binary"
- "io"
- "reflect"
-)
-
-// An encoder encodes values to the D-Bus wire format.
-type encoder struct {
- out io.Writer
- order binary.ByteOrder
- pos int
-}
-
-// NewEncoder returns a new encoder that writes to out in the given byte order.
-func newEncoder(out io.Writer, order binary.ByteOrder) *encoder {
- return newEncoderAtOffset(out, 0, order)
-}
-
-// newEncoderAtOffset returns a new encoder that writes to out in the given
-// byte order. Specify the offset to initialize pos for proper alignment
-// computation.
-func newEncoderAtOffset(out io.Writer, offset int, order binary.ByteOrder) *encoder {
- enc := new(encoder)
- enc.out = out
- enc.order = order
- enc.pos = offset
- return enc
-}
-
-// Aligns the next output to be on a multiple of n. Panics on write errors.
-func (enc *encoder) align(n int) {
- pad := enc.padding(0, n)
- if pad > 0 {
- empty := make([]byte, pad)
- if _, err := enc.out.Write(empty); err != nil {
- panic(err)
- }
- enc.pos += pad
- }
-}
-
-// pad returns the number of bytes of padding, based on current position and additional offset.
-// and alignment.
-func (enc *encoder) padding(offset, algn int) int {
- abs := enc.pos + offset
- if abs%algn != 0 {
- newabs := (abs + algn - 1) & ^(algn - 1)
- return newabs - abs
- }
- return 0
-}
-
-// Calls binary.Write(enc.out, enc.order, v) and panics on write errors.
-func (enc *encoder) binwrite(v interface{}) {
- if err := binary.Write(enc.out, enc.order, v); err != nil {
- panic(err)
- }
-}
-
-// Encode encodes the given values to the underyling reader. All written values
-// are aligned properly as required by the D-Bus spec.
-func (enc *encoder) Encode(vs ...interface{}) (err error) {
- defer func() {
- err, _ = recover().(error)
- }()
- for _, v := range vs {
- enc.encode(reflect.ValueOf(v), 0)
- }
- return nil
-}
-
-// encode encodes the given value to the writer and panics on error. depth holds
-// the depth of the container nesting.
-func (enc *encoder) encode(v reflect.Value, depth int) {
- enc.align(alignment(v.Type()))
- switch v.Kind() {
- case reflect.Uint8:
- var b [1]byte
- b[0] = byte(v.Uint())
- if _, err := enc.out.Write(b[:]); err != nil {
- panic(err)
- }
- enc.pos++
- case reflect.Bool:
- if v.Bool() {
- enc.encode(reflect.ValueOf(uint32(1)), depth)
- } else {
- enc.encode(reflect.ValueOf(uint32(0)), depth)
- }
- case reflect.Int16:
- enc.binwrite(int16(v.Int()))
- enc.pos += 2
- case reflect.Uint16:
- enc.binwrite(uint16(v.Uint()))
- enc.pos += 2
- case reflect.Int, reflect.Int32:
- enc.binwrite(int32(v.Int()))
- enc.pos += 4
- case reflect.Uint, reflect.Uint32:
- enc.binwrite(uint32(v.Uint()))
- enc.pos += 4
- case reflect.Int64:
- enc.binwrite(v.Int())
- enc.pos += 8
- case reflect.Uint64:
- enc.binwrite(v.Uint())
- enc.pos += 8
- case reflect.Float64:
- enc.binwrite(v.Float())
- enc.pos += 8
- case reflect.String:
- enc.encode(reflect.ValueOf(uint32(len(v.String()))), depth)
- b := make([]byte, v.Len()+1)
- copy(b, v.String())
- b[len(b)-1] = 0
- n, err := enc.out.Write(b)
- if err != nil {
- panic(err)
- }
- enc.pos += n
- case reflect.Ptr:
- enc.encode(v.Elem(), depth)
- case reflect.Slice, reflect.Array:
- if depth >= 64 {
- panic(FormatError("input exceeds container depth limit"))
- }
- // Lookahead offset: 4 bytes for uint32 length (with alignment),
- // plus alignment for elements.
- n := enc.padding(0, 4) + 4
- offset := enc.pos + n + enc.padding(n, alignment(v.Type().Elem()))
-
- var buf bytes.Buffer
- bufenc := newEncoderAtOffset(&buf, offset, enc.order)
-
- for i := 0; i < v.Len(); i++ {
- bufenc.encode(v.Index(i), depth+1)
- }
- enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
- length := buf.Len()
- enc.align(alignment(v.Type().Elem()))
- if _, err := buf.WriteTo(enc.out); err != nil {
- panic(err)
- }
- enc.pos += length
- case reflect.Struct:
- if depth >= 64 && v.Type() != signatureType {
- panic(FormatError("input exceeds container depth limit"))
- }
- switch t := v.Type(); t {
- case signatureType:
- str := v.Field(0)
- enc.encode(reflect.ValueOf(byte(str.Len())), depth+1)
- b := make([]byte, str.Len()+1)
- copy(b, str.String())
- b[len(b)-1] = 0
- n, err := enc.out.Write(b)
- if err != nil {
- panic(err)
- }
- enc.pos += n
- case variantType:
- variant := v.Interface().(Variant)
- enc.encode(reflect.ValueOf(variant.sig), depth+1)
- enc.encode(reflect.ValueOf(variant.value), depth+1)
- default:
- for i := 0; i < v.Type().NumField(); i++ {
- field := t.Field(i)
- if field.PkgPath == "" && field.Tag.Get("dbus") != "-" {
- enc.encode(v.Field(i), depth+1)
- }
- }
- }
- case reflect.Map:
- // Maps are arrays of structures, so they actually increase the depth by
- // 2.
- if depth >= 63 {
- panic(FormatError("input exceeds container depth limit"))
- }
- if !isKeyType(v.Type().Key()) {
- panic(InvalidTypeError{v.Type()})
- }
- keys := v.MapKeys()
- // Lookahead offset: 4 bytes for uint32 length (with alignment),
- // plus 8-byte alignment
- n := enc.padding(0, 4) + 4
- offset := enc.pos + n + enc.padding(n, 8)
-
- var buf bytes.Buffer
- bufenc := newEncoderAtOffset(&buf, offset, enc.order)
- for _, k := range keys {
- bufenc.align(8)
- bufenc.encode(k, depth+2)
- bufenc.encode(v.MapIndex(k), depth+2)
- }
- enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
- length := buf.Len()
- enc.align(8)
- if _, err := buf.WriteTo(enc.out); err != nil {
- panic(err)
- }
- enc.pos += length
- case reflect.Interface:
- enc.encode(reflect.ValueOf(MakeVariant(v.Interface())), depth)
- default:
- panic(InvalidTypeError{v.Type()})
- }
-}