change logger to log15

This commit is contained in:
Jae Kwon
2014-12-29 18:09:06 -08:00
parent 591d84947b
commit 0bfb389b35
35 changed files with 189 additions and 251 deletions
-169
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@@ -1,169 +0,0 @@
package common
import (
"fmt"
"math/rand"
"strings"
)
// Not goroutine safe
type BitArray struct {
Bits uint // NOTE: persisted via reflect, must be exported
Elems []uint64 // NOTE: persisted via reflect, must be exported
}
func NewBitArray(bits uint) BitArray {
return BitArray{bits, make([]uint64, (bits+63)/64)}
}
func (bA BitArray) Size() uint {
return bA.Bits
}
func (bA BitArray) IsZero() bool {
return bA.Bits == 0
}
// NOTE: behavior is undefined if i >= bA.Bits
func (bA BitArray) GetIndex(i uint) bool {
if i >= bA.Bits {
return false
}
return bA.Elems[i/64]&uint64(1<<(i%64)) > 0
}
// NOTE: behavior is undefined if i >= bA.Bits
func (bA BitArray) SetIndex(i uint, v bool) bool {
if i >= bA.Bits {
return false
}
if v {
bA.Elems[i/64] |= uint64(1 << (i % 64))
} else {
bA.Elems[i/64] &= ^uint64(1 << (i % 64))
}
return true
}
func (bA BitArray) Copy() BitArray {
c := make([]uint64, len(bA.Elems))
copy(c, bA.Elems)
return BitArray{bA.Bits, c}
}
func (bA BitArray) copyBits(bits uint) BitArray {
c := make([]uint64, (bits+63)/64)
copy(c, bA.Elems)
return BitArray{bits, c}
}
// Returns a BitArray of larger bits size.
func (bA BitArray) Or(o BitArray) BitArray {
c := bA.copyBits(MaxUint(bA.Bits, o.Bits))
for i := 0; i < len(c.Elems); i++ {
c.Elems[i] |= o.Elems[i]
}
return c
}
// Returns a BitArray of smaller bit size.
func (bA BitArray) And(o BitArray) BitArray {
c := bA.copyBits(MinUint(bA.Bits, o.Bits))
for i := 0; i < len(c.Elems); i++ {
c.Elems[i] &= o.Elems[i]
}
return c
}
func (bA BitArray) Not() BitArray {
c := bA.Copy()
for i := 0; i < len(c.Elems); i++ {
c.Elems[i] = ^c.Elems[i]
}
return c
}
func (bA BitArray) Sub(o BitArray) BitArray {
if bA.Bits > o.Bits {
c := bA.Copy()
for i := 0; i < len(o.Elems)-1; i++ {
c.Elems[i] &= ^c.Elems[i]
}
i := uint(len(o.Elems) - 1)
if i >= 0 {
for idx := i * 64; idx < o.Bits; idx++ {
c.SetIndex(idx, c.GetIndex(idx) && !o.GetIndex(idx))
}
}
return c
} else {
return bA.And(o.Not())
}
}
func (bA BitArray) PickRandom() (uint, bool) {
length := len(bA.Elems)
if length == 0 {
return 0, false
}
randElemStart := rand.Intn(length)
for i := 0; i < length; i++ {
elemIdx := ((i + randElemStart) % length)
if elemIdx < length-1 {
if bA.Elems[elemIdx] > 0 {
randBitStart := rand.Intn(64)
for j := 0; j < 64; j++ {
bitIdx := ((j + randBitStart) % 64)
if (bA.Elems[elemIdx] & (1 << uint(bitIdx))) > 0 {
return 64*uint(elemIdx) + uint(bitIdx), true
}
}
panic("should not happen")
}
} else {
// Special case for last elem, to ignore straggler bits
elemBits := int(bA.Bits) % 64
if elemBits == 0 {
elemBits = 64
}
randBitStart := rand.Intn(elemBits)
for j := 0; j < elemBits; j++ {
bitIdx := ((j + randBitStart) % elemBits)
if (bA.Elems[elemIdx] & (1 << uint(bitIdx))) > 0 {
return 64*uint(elemIdx) + uint(bitIdx), true
}
}
}
}
return 0, false
}
func (bA BitArray) String() string {
return bA.StringIndented("")
}
func (bA BitArray) StringIndented(indent string) string {
lines := []string{}
bits := ""
for i := uint(0); i < bA.Bits; i++ {
if bA.GetIndex(i) {
bits += "X"
} else {
bits += "_"
}
if i%100 == 99 {
lines = append(lines, bits)
bits = ""
}
if i%10 == 9 {
bits += " "
}
if i%50 == 49 {
bits += " "
}
}
if len(bits) > 0 {
lines = append(lines, bits)
}
return fmt.Sprintf("BA{%v:%v}", bA.Bits, strings.Join(lines, indent))
}
-161
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@@ -1,161 +0,0 @@
package common
import (
"bytes"
"fmt"
"testing"
. "github.com/tendermint/tendermint/binary"
)
func randBitArray(bits uint) (BitArray, []byte) {
src := RandBytes(int((bits + 7) / 8))
bA := NewBitArray(bits)
for i := uint(0); i < uint(len(src)); i++ {
for j := uint(0); j < 8; j++ {
if i*8+j >= bits {
return bA, src
}
setBit := src[i]&(1<<j) > 0
bA.SetIndex(i*8+j, setBit)
}
}
return bA, src
}
func TestReadWriteEmptyBitarray(t *testing.T) {
bA1 := BitArray{}
buf, n, err := new(bytes.Buffer), new(int64), new(error)
WriteBinary(bA1, buf, n, err)
if *err != nil {
t.Error("Failed to write empty bitarray")
}
bA2 := ReadBinary(BitArray{}, buf, n, err).(BitArray)
if *err != nil {
t.Error("Failed to read empty bitarray")
}
if bA2.Bits != 0 {
t.Error("Expected to get bA2.Bits 0")
}
}
func TestReadWriteBitarray(t *testing.T) {
// Make random bA1
bA1, testData := randBitArray(64*10 + 8) // not divisible by 64
// Write it
buf, n, err := new(bytes.Buffer), new(int64), new(error)
WriteBinary(bA1, buf, n, err)
if *err != nil {
t.Error("Failed to write bitarray")
}
fmt.Printf("Bytes: %X", buf.Bytes())
// Read it
bA2 := ReadBinary(BitArray{}, buf, n, err).(BitArray)
if *err != nil {
t.Error("Failed to read bitarray")
}
testData2 := make([]byte, len(testData))
for i := uint(0); i < uint(len(testData)); i++ {
for j := uint(0); j < 8; j++ {
if bA2.GetIndex(i*8 + j) {
testData2[i] |= 1 << j
}
}
}
// Compare testData
if !bytes.Equal(testData, testData2) {
t.Errorf("Not the same:\n%X\n%X", testData, testData2)
}
}
func TestAnd(t *testing.T) {
bA1, _ := randBitArray(51)
bA2, _ := randBitArray(31)
bA3 := bA1.And(bA2)
if bA3.Bits != 31 {
t.Error("Expected min bits", bA3.Bits)
}
if len(bA3.Elems) != len(bA2.Elems) {
t.Error("Expected min elems length")
}
for i := uint(0); i < bA3.Bits; i++ {
expected := bA1.GetIndex(i) && bA2.GetIndex(i)
if bA3.GetIndex(i) != expected {
t.Error("Wrong bit from bA3", i, bA1.GetIndex(i), bA2.GetIndex(i), bA3.GetIndex(i))
}
}
}
func TestOr(t *testing.T) {
bA1, _ := randBitArray(51)
bA2, _ := randBitArray(31)
bA3 := bA1.Or(bA2)
if bA3.Bits != 51 {
t.Error("Expected max bits")
}
if len(bA3.Elems) != len(bA1.Elems) {
t.Error("Expected max elems length")
}
for i := uint(0); i < bA3.Bits; i++ {
expected := bA1.GetIndex(i) || bA2.GetIndex(i)
if bA3.GetIndex(i) != expected {
t.Error("Wrong bit from bA3", i, bA1.GetIndex(i), bA2.GetIndex(i), bA3.GetIndex(i))
}
}
}
func TestSub1(t *testing.T) {
bA1, _ := randBitArray(31)
bA2, _ := randBitArray(51)
bA3 := bA1.Sub(bA2)
if bA3.Bits != bA1.Bits {
t.Error("Expected bA1 bits")
}
if len(bA3.Elems) != len(bA1.Elems) {
t.Error("Expected bA1 elems length")
}
for i := uint(0); i < bA3.Bits; i++ {
expected := bA1.GetIndex(i)
if bA2.GetIndex(i) {
expected = false
}
if bA3.GetIndex(i) != expected {
t.Error("Wrong bit from bA3", i, bA1.GetIndex(i), bA2.GetIndex(i), bA3.GetIndex(i))
}
}
}
func TestSub2(t *testing.T) {
bA1, _ := randBitArray(51)
bA2, _ := randBitArray(31)
bA3 := bA1.Sub(bA2)
if bA3.Bits != bA1.Bits {
t.Error("Expected bA1 bits")
}
if len(bA3.Elems) != len(bA1.Elems) {
t.Error("Expected bA1 elems length")
}
for i := uint(0); i < bA3.Bits; i++ {
expected := bA1.GetIndex(i)
if i < bA2.Bits && bA2.GetIndex(i) {
expected = false
}
if bA3.GetIndex(i) != expected {
t.Error("Wrong bit from bA3")
}
}
}
-44
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@@ -1,44 +0,0 @@
package common
import (
stdlog "log"
"os"
"github.com/op/go-logging"
)
var Log = logging.MustGetLogger("main")
func init() {
// Customize the output format
logging.SetFormatter(logging.MustStringFormatter("[%{level:.4s}] %{shortfile:-20s} %{message}"))
// Setup one stdout and one syslog backend.
logBackend := logging.NewLogBackend(os.Stderr, "", stdlog.LstdFlags)
logBackend.Color = true
syslogBackend, err := logging.NewSyslogBackend("")
if err != nil {
panic(err)
}
// Combine them both into one logging backend.
logging.SetBackend(logBackend, syslogBackend)
// Test
/*
Log.Debug("debug")
Log.Info("info")
Log.Notice("notice")
Log.Warning("warning")
Log.Error("error")
*/
}
var Debug = Log.Debug
var Info = Log.Info
var Notice = Log.Notice
var Warning = Log.Warning
var Warn = Log.Warning
var Error = Log.Error
var Critical = Log.Critical
+2 -6
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@@ -5,11 +5,7 @@ import (
"os"
)
func Panicf(s string, args ...interface{}) {
panic(fmt.Sprintf(s, args...))
}
func Exitf(s string, args ...interface{}) {
fmt.Printf(s+"\n", args...)
func Exit(s string) {
fmt.Printf(s)
os.Exit(1)
}
+7
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@@ -0,0 +1,7 @@
package common
import (
"fmt"
)
var Fmt = fmt.Sprintf