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	* Dropped unused codekit config * Integrated dynamic and static bindata for public * Ignore public bindata * Add a general generate make task * Integrated flexible public assets into web command * Updated vendoring, added all missiong govendor deps * Made the linter happy with the bindata and dynamic code * Moved public bindata definition to modules directory * Ignoring the new bindata path now * Updated to the new public modules import path * Updated public bindata command and drop the new prefix
		
			
				
	
	
		
			113 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package themis
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import (
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	"bytes"
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	"encoding/binary"
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	"github.com/juju/errors"
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	"github.com/ngaut/log"
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	"github.com/pingcap/go-hbase"
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	"github.com/pingcap/go-hbase/iohelper"
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)
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type themisPrimaryLock struct {
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	*themisLock
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	// {coordinate => type}
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	secondaries map[string]hbase.Type
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}
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func newThemisPrimaryLock() *themisPrimaryLock {
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	return &themisPrimaryLock{
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		themisLock: &themisLock{
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			clientAddr: "null",
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		},
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		secondaries: map[string]hbase.Type{},
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	}
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}
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func (l *themisPrimaryLock) Primary() Lock {
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	return l
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}
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func (l *themisPrimaryLock) Secondaries() []Lock {
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	var slocks []Lock
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	for k, v := range l.secondaries {
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		c := &hbase.ColumnCoordinate{}
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		// TODO: handle error, now just ignore
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		if err := c.ParseFromString(k); err != nil {
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			log.Warnf("parse from string error, column coordinate: %s, secondary: %s, error: %v", c, k, err)
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			continue
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		}
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		slock := newThemisSecondaryLock()
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		slock.primaryCoordinate = l.coordinate
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		slock.coordinate = c
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		slock.ts = l.ts
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		slock.typ = v
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		slocks = append(slocks, slock)
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	}
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	return slocks
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}
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func (l *themisPrimaryLock) Encode() []byte {
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	buf := bytes.NewBuffer(nil)
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	// set is primary
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	binary.Write(buf, binary.BigEndian, uint8(1))
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	l.themisLock.write(buf)
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	// write secondaries
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	binary.Write(buf, binary.BigEndian, int32(len(l.secondaries)))
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	for k, v := range l.secondaries {
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		c := &hbase.ColumnCoordinate{}
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		// TODO: handle error, now just log
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		if err := c.ParseFromString(k); err != nil {
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			log.Warnf("parse from string error, column coordinate: %s, secondary: %s, error: %v", c, k, err)
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		}
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		// TODO: handle error, now just log
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		if err := c.Write(buf); err != nil {
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			log.Warnf("write error, column coordinate: %s, buf: %s, error: %v", c, buf, err)
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		}
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		buf.WriteByte(uint8(v))
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	}
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	return buf.Bytes()
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}
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func (l *themisPrimaryLock) IsExpired() bool {
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	return l.themisLock.expired
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}
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func (l *themisPrimaryLock) getSecondaryColumnType(c *hbase.ColumnCoordinate) hbase.Type {
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	v, ok := l.secondaries[c.String()]
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	if !ok {
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		return hbase.TypeMinimum
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	}
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	return v
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}
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func (l *themisPrimaryLock) Role() LockRole {
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	return RolePrimary
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}
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func (l *themisPrimaryLock) addSecondary(col *hbase.ColumnCoordinate, t hbase.Type) {
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	l.secondaries[col.String()] = t
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}
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func (l *themisPrimaryLock) parse(buf iohelper.ByteMultiReader) error {
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	l.themisLock.parse(buf)
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	var sz int32
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	err := binary.Read(buf, binary.BigEndian, &sz)
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	if err != nil {
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		return errors.Trace(err)
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	}
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	for i := 0; i < int(sz); i++ {
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		c := &hbase.ColumnCoordinate{}
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		c.ParseField(buf)
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		b, err := buf.ReadByte()
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		if err != nil {
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			return errors.Trace(err)
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		}
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		t := hbase.Type(b)
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		l.addSecondary(c, t)
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	}
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	return nil
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}
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