func TestJsonHelperGobEncoding(t *testing.T) {
raw := `{"testing": 123,"name":"bob & more"}`
reader := strings.NewReader(raw)
jh, err := NewJsonHelperReader(reader)
assert.Tf(t, err == nil, "Unexpected error decoding gob: %s", err)
assert.Tf(t, jh.Int("testing") == 123, "Unexpected value in gob: %d", jh.Int("testing"))
var buf bytes.Buffer
err = gob.NewEncoder(&buf).Encode(&jh)
assert.T(t, err == nil, err)
var jhNew JsonHelper
err = gob.NewDecoder(&buf).Decode(&jhNew)
assert.T(t, err == nil, err)
assert.Tf(t, jhNew.Int("testing") == 123, "Unexpected value in gob: %d", jhNew.Int("testing"))
assert.Tf(t, jhNew.String("name") == "bob & more", "Unexpected value in gob: %d", jhNew.String("name"))
buf2 := bytes.Buffer{}
gt := GobTest{"Hello", jh}
err = gob.NewEncoder(&buf2).Encode(>)
assert.T(t, err == nil, err)
var gt2 GobTest
err = gob.NewDecoder(&buf2).Decode(>2)
assert.T(t, err == nil, err)
assert.Tf(t, gt2.Name == "Hello", "Unexpected value in gob: %d", gt2.Name)
assert.Tf(t, gt2.Data.Int("testing") == 123, "Unexpected value in gob: %d", gt2.Data.Int("testing"))
assert.Tf(t, gt2.Data.String("name") == "bob & more", "Unexpected value in gob: %d", gt2.Data.String("name"))
}
func ReadFromDisk() {
file, err := os.Open("data/datafile.gob")
if err == nil {
dec := gob.NewDecoder(file)
err = dec.Decode(&data)
file.Close()
if err != nil {
log.Fatal("Unable to decode:", err)
}
}
var packet WritePacket
for ii := 0; ii < 128; ii++ {
file, err := os.Open("data/datafile.log." + fmt.Sprintf("%03d", ii))
if err != nil {
break
} else {
dec := gob.NewDecoder(file)
for dec.Decode(&packet) == nil {
data[packet.Key] = packet.Val
changeCount++
}
file.Close()
}
}
}
func receiveDecrypt(conn net.Conn) (Message, error) {
// Our work is:
// (receive) -> [de-GOB] -> [DECRYPT] -> [de-GOB] -> msg
// Receive data and de-serialize to get the encrypted message
encMsg := new([]byte)
receive := gob.NewDecoder(conn)
if err := receive.Decode(encMsg); err != nil {
return Message{}, err
}
// Create decrypter and pass it the encrypted message
r := bytes.NewReader(*encMsg)
decrypter, err := saltsecret.NewReader(r, conf.Key, saltsecret.DECRYPT, false)
if err != nil {
return Message{}, err
}
// Read unencrypted serialized message and de-serialize it
msg := new(Message)
dec := gob.NewDecoder(decrypter)
if err = dec.Decode(msg); err != nil {
return Message{}, err
}
return *msg, nil
}
func (gobCoder) DecodeValue(r io.Reader, dst reflect.Value) error {
if _, ok := r.(io.ByteReader); !ok {
return gob.NewDecoder(byteReader{r}).DecodeValue(dst)
}
return gob.NewDecoder(r).DecodeValue(dst)
}
func (gobCoder) Decode(r io.Reader, dst interface{}) error {
if _, ok := r.(io.ByteReader); !ok {
return gob.NewDecoder(byteReader{r}).Decode(dst)
}
return gob.NewDecoder(r).Decode(dst)
}
func (cursor *Cursor) GetGo(set_key interface{}, op uint, key, val interface{}) error {
var err error
var bset_key []byte
if set_key != nil {
var key_buffer bytes.Buffer
encoder := gob.NewEncoder(&key_buffer)
err = encoder.Encode(set_key)
if err != nil {
return err
}
bset_key = key_buffer.Bytes()
}
bkey, bval, err := cursor.Get(bset_key, op)
if err != nil {
return err
}
buf := bytes.NewReader(bkey)
decoder := gob.NewDecoder(buf)
err = decoder.Decode(key)
if err != nil {
return err
}
buf = bytes.NewReader(bval)
decoder = gob.NewDecoder(buf)
err = decoder.Decode(val)
if err != nil {
return err
}
return nil
}
// Load returns a *fuzz.fuzz.FuzzReport that corresponds to the passed in revision,
// and the fuzz names associated with the report.
// It returns an error if such a Report does not exist.
func (b *FuzzReportCache) Load(revision string) (*fuzz.FuzzReportTree, []string, error) {
var report fuzz.FuzzReportTree
var binaryFuzzNames []string
loadFunc := func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(revision))
if b == nil {
return fmt.Errorf("Cache for revision %s does not exist", revision)
}
c := b.Get(REPORT_KEY)
if c == nil {
return fmt.Errorf("Could not find report for revision %s", revision)
}
dec := gob.NewDecoder(bytes.NewBuffer(c))
if err := dec.Decode(&report); err != nil {
return fmt.Errorf("Could not decode report: %s", err)
}
c = b.Get(BINARY_FUZZES_KEY)
if c == nil {
return fmt.Errorf("Could not find stored binary fuzzes for revision %s", revision)
}
dec = gob.NewDecoder(bytes.NewBuffer(c))
if err := dec.Decode(&binaryFuzzNames); err != nil {
return fmt.Errorf("Could not decode binaryFuzzNames: %s", err)
}
return nil
}
return &report, binaryFuzzNames, b.DB.View(loadFunc)
}
func (log *Log) appendEntries(s *Server, prevIndex int64, logEntries []*LogEntry) {
log.Lock()
defer log.Unlock()
if len(log.entries) == 0 {
log.entries = logEntries
return
}
log.entries = log.entries[:prevIndex-log.startIndex()+1]
// log.entries = append(log.entries[:(index-log.startIndex())+1], logEntries...)
for _, entry := range logEntries {
if entry.GetCommandName() == cOldNewStr {
nodes := []Node{}
if err := gob.NewDecoder(bytes.NewReader(entry.GetCommand())).Decode(&nodes); err != nil {
logger.Println("decode Cold,new config err: ", err.Error())
}
s.config.setState(cOldNew)
s.config.cNewNode = make(nodeMap)
for _, node := range nodes {
s.config.cNewNode[node.id()] = node
}
} else if entry.GetCommandName() == cNewStr {
nodes := []Node{}
if err := gob.NewDecoder(bytes.NewReader(entry.GetCommand())).Decode(&nodes); err != nil {
logger.Println("decode Cnew config err: ", err.Error())
}
s.config.setState(cOld)
s.config.cOldNode = makeNodeMap(nodes...)
s.config.cNewNode = nil
}
log.entries = append(log.entries, entry)
}
}
func (zip GobMeddler) PostRead(fieldAddr, scanTarget interface{}) error {
ptr := scanTarget.(*[]byte)
if ptr == nil {
return fmt.Errorf("GobMeddler.PostRead: nil pointer")
}
raw := *ptr
if zip {
// un-gzip and decode gob
gzipReader, err := gzip.NewReader(bytes.NewReader(raw))
if err != nil {
return fmt.Errorf("Error creating gzip Reader: %v", err)
}
defer gzipReader.Close()
gobDecoder := gob.NewDecoder(gzipReader)
if err := gobDecoder.Decode(fieldAddr); err != nil {
return fmt.Errorf("Gob decoder/gzip error: %v", err)
}
if err := gzipReader.Close(); err != nil {
return fmt.Errorf("Closing gzip reader: %v", err)
}
return nil
}
// decode gob
gobDecoder := gob.NewDecoder(bytes.NewReader(raw))
if err := gobDecoder.Decode(fieldAddr); err != nil {
return fmt.Errorf("Gob decode error: %v", err)
}
return nil
}
func (this *DB) getData(bucket *bolt.Bucket) (map[string]int, ipQueue, error) {
var addrQ ipQueue
heapRaw := bucket.Get(boltAddrHeapKey)
if heapRaw == nil {
addrQ = ipQueue(make([]*ipEntry, 0, 1))
} else {
dec := gob.NewDecoder(bytes.NewReader(heapRaw))
if err := dec.Decode(&addrQ); err != nil {
return nil, nil, err
}
}
var addrMap map[string]int
mapRaw := bucket.Get(boltAddrMapKey)
if mapRaw == nil {
addrMap = make(map[string]int)
} else {
dec := gob.NewDecoder(bytes.NewReader(mapRaw))
if err := dec.Decode(&addrMap); err != nil {
return nil, nil, err
}
}
return addrMap, addrQ, nil
}
func (self *GlobalState) read(r *os.File) error {
// skip the version
reader := bufio.NewReader(r)
// read the version line
_, err := reader.ReadString('\n')
if err != nil {
return err
}
err = gob.NewDecoder(reader).Decode(self)
// from version 0.7 to 0.8 the type of the Suffix variables
// changed to uint32. Catch this and convert to a new GlobalState object.
if err != nil {
old := &oldGlobalState{}
r.Seek(int64(0), 0)
reader := bufio.NewReader(r)
// read the version line
_, err := reader.ReadString('\n')
if err != nil {
return err
}
err = gob.NewDecoder(reader).Decode(old)
if err != nil {
return err
}
self.CurrentFileOffset = old.CurrentFileOffset
self.CurrentFileSuffix = uint32(old.CurrentFileSuffix)
self.LargestRequestNumber = old.LargestRequestNumber
self.FirstSuffix = uint32(old.FirstSuffix)
self.ShardLastSequenceNumber = old.ShardLastSequenceNumber
self.ServerLastRequestNumber = old.ServerLastRequestNumber
}
return nil
}
func (db *dbImpl) loadDirectory() (*directory, error) {
dir := &directory{
Usernames: make(map[uID]string),
AIs: make(map[aiID]*aiInfo),
AIStats: make(map[aiID]*aiStats),
}
err := db.View(func(tx *bolt.Tx) error {
// Load AIs
b := tx.Bucket(AIBucket)
err := b.ForEach(func(k, v []byte) error {
var a aiInfo
buf := bytes.NewReader(v)
dec := gob.NewDecoder(buf)
if err := dec.Decode(&a); err != nil {
return err
}
dir.AIs[a.ID] = &a
return nil
})
if err != nil {
return err
}
// Load AIStats
b = tx.Bucket(AIStatsBucket)
err = b.ForEach(func(k, v []byte) error {
var a aiStats
buf := bytes.NewReader(v)
dec := gob.NewDecoder(buf)
if err := dec.Decode(&a); err != nil {
return err
}
dir.AIStats[aiID(k)] = &a
return nil
})
if err != nil {
return err
}
// Load usernames
b = tx.Bucket(UserBucket)
return b.ForEach(func(k, v []byte) error {
var u userInfo
buf := bytes.NewReader(v)
dec := gob.NewDecoder(buf)
if err := dec.Decode(&u); err != nil {
return err
}
dir.Usernames[u.ID] = u.Name
return nil
})
})
return dir, err
}
func NewGobConnection(conn net.Conn) GobConnection {
if gcn, ok := gobPool.Get().(*gobConnection); ok {
gcn.rwc = conn
gcn.enc = gob.NewEncoder(conn)
gcn.dec = gob.NewDecoder(conn)
return gcn
}
return &gobConnection{rwc: conn, enc: gob.NewEncoder(conn), dec: gob.NewDecoder(conn)}
}
func NewGobCodecs(conn io.ReadWriteCloser) (*gobServerCodec, *gobClientCodec) {
sbuf := bufio.NewWriter(conn)
srv := &gobServerCodec{conn, gob.NewDecoder(conn), gob.NewEncoder(sbuf), sbuf}
cbuf := bufio.NewWriter(conn)
cli := &gobClientCodec{conn, gob.NewDecoder(conn), gob.NewEncoder(cbuf), cbuf}
return srv, cli
}
func TestPublisherClosesDuplicateConnections(t *testing.T) {
log.SetOutput(ioutil.Discard)
// Choose a port
port, err := getFreePort()
if err != nil {
t.Fatal(err)
}
// Start a publisher
p, err := xfer.NewTCPPublisher(port)
if err != nil {
t.Fatal(err)
}
defer p.Close()
// Connect a listener
conn, err := net.Dial("tcp4", "127.0.0.1"+port)
if err != nil {
t.Fatal(err)
}
defer conn.Close()
if err := gob.NewEncoder(conn).Encode(xfer.HandshakeRequest{ID: "foo"}); err != nil {
t.Fatal(err)
}
time.Sleep(time.Millisecond)
// Try to connect the same listener
dupconn, err := net.Dial("tcp4", "127.0.0.1"+port)
if err != nil {
t.Fatal(err)
}
// Send handshake
if err := gob.NewEncoder(dupconn).Encode(xfer.HandshakeRequest{ID: "foo"}); err != nil {
t.Fatal(err)
}
defer dupconn.Close()
// Publish a message
p.Publish(report.Report{})
// The first listener should receive it
var r report.Report
if err := gob.NewDecoder(conn).Decode(&r); err != nil {
t.Fatal(err)
}
// The duplicate listener should have an error
if err := gob.NewDecoder(dupconn).Decode(&r); err == nil {
t.Errorf("expected error, got none")
} else {
t.Logf("dupconn got expected error: %v", err)
}
}
func (c *Connection) Init() {
c.send_buffer = new(bytes.Buffer)
c.recv_buffer = new(bytes.Buffer)
c.send_buffer_decoder = gob.NewDecoder(c.send_buffer)
c.send_buffer_encoder = gob.NewEncoder(c.send_buffer)
c.recv_buffer_decoder = gob.NewDecoder(c.recv_buffer)
c.recv_buffer_encoder = gob.NewEncoder(c.recv_buffer)
c.Quit = make(chan bool)
c.Outgoing = make(chan interface{}, 1000)
}
func bytesToObject(v interface{}, b []byte) error {
f := flate.NewReader(bytes.NewReader(b))
defer f.Close()
err := gob.NewDecoder(f).Decode(v)
if err != nil {
// try the old, uncompressed format.
err = gob.NewDecoder(bytes.NewReader(b)).Decode(v)
}
return err
}
func (it *Iterator) Next(imm interface{}) (*KeyType, bool) {
if it == nil {
return nil, false
}
if it.i >= len(it.entries) {
it.entries = nil
return nil, false
}
entry := it.entries[it.i]
// immutable
buff := bytes.NewBuffer(entry.imm.Val)
dec := gob.NewDecoder(buff)
if err := dec.Decode(imm); err != nil {
fmt.Println(err)
return nil, false
}
it.i++
m, ok := imm.(Mutable)
if ok {
mut := m.Mutable()
if mut == nil {
return entry.kt, true
}
if entry.mut == nil {
panic("there should be something here!")
return entry.kt, true
}
mutv := reflect.ValueOf(mut)
if err := validateMutableEntry(mutv); err != nil {
return nil, false
}
// update the v with the new pointer value
entry.mut.v = mutv
// mutable
buff = bytes.NewBuffer(entry.mut.Val)
dec = gob.NewDecoder(buff)
if err := dec.Decode(mut); err != nil {
fmt.Println(err)
return nil, false
}
}
return entry.kt, true
}
func (d *FileTreeCache) AddEntry(entry protocol.FileInfo, peer protocol.DeviceID) {
d.db.Update(func(tx *bolt.Tx) error {
eb := tx.Bucket(d.folderBucketKey).Bucket(entriesBucket)
/* save entry */
var buf bytes.Buffer
enc := gob.NewEncoder(&buf)
enc.Encode(entry)
eb.Put([]byte(entry.Name), buf.Bytes()) // TODO handle error?
/* add peer */
edb := tx.Bucket(d.folderBucketKey).Bucket(entryDevicesBucket)
v := edb.Get([]byte(entry.Name))
var devices map[string]bool
if v == nil {
devices = make(map[string]bool)
} else {
rbuf := bytes.NewBuffer(v)
dec := gob.NewDecoder(rbuf)
dec.Decode(&devices)
}
devices[peer.String()] = true
var dbuf bytes.Buffer
enc = gob.NewEncoder(&dbuf)
enc.Encode(devices)
edb.Put([]byte(entry.Name), dbuf.Bytes())
/* add child lookup */
dir := path.Dir(entry.Name)
clb := tx.Bucket(d.folderBucketKey).Bucket(childLookupBucket)
v = clb.Get([]byte(dir))
if debug {
l.Debugln("Adding child", entry.Name, "for dir", dir)
}
var children map[string]bool
if v == nil {
children = make(map[string]bool)
} else {
rbuf := bytes.NewBuffer(v)
dec := gob.NewDecoder(rbuf)
dec.Decode(&children)
}
children[entry.Name] = true
var cbuf bytes.Buffer
enc = gob.NewEncoder(&cbuf)
enc.Encode(children)
clb.Put([]byte(dir), cbuf.Bytes())
return nil
})
}
// NewConsumer return a pointer of Consumer instance,
// compression is a optional, it can be true if need zlib compression
// else false.
func NewConsumer(conn net.Conn, compression bool) (*Consumer, error) {
if !compression {
dec := gob.NewDecoder(conn)
return &Consumer{conn, dec, nil}, nil
}
compR, err := zlib.NewReader(conn)
if err != nil {
return nil, err
}
dec := gob.NewDecoder(compR)
return &Consumer{conn, dec, compR}, nil
}
// Load the frozen data store from disk.
func (ds *DataStore) Load(dsFile string) error {
if dsFile == "" {
err := fmt.Errorf("Yikes! Cannot load data store from disk because no file was specified.")
return err
}
fp, err := os.Open(dsFile)
if err != nil {
// It's fine for the file not to exist on startup
if os.IsNotExist(err) {
return nil
}
return err
}
zfp, zerr := zlib.NewReader(fp)
if zerr != nil {
fp.Close()
return zerr
}
dec := gob.NewDecoder(zfp)
ds.m.Lock()
defer ds.m.Unlock()
fstore := new(dsFileStore)
err = dec.Decode(&fstore)
zfp.Close()
if err != nil {
fp.Close()
log.Printf("error at fstore")
return err
}
dscache := bytes.NewBuffer(fstore.Cache)
objList := bytes.NewBuffer(fstore.ObjList)
err = ds.dsc.Load(dscache)
if err != nil {
log.Println("error at dscache")
fp.Close()
return err
}
dec = gob.NewDecoder(objList)
err = dec.Decode(&ds.objList)
if err != nil {
log.Println("error at objList")
fp.Close()
return err
}
return fp.Close()
}
func (c *Client) response() (*Response, error) {
log.ProtoLevel().Tag("client", "discover").Printf("Waiting response...")
buf := make([]byte, c.BufSize)
err := c.conn.SetDeadline(time.Now().Add(c.Deadline))
if err != nil {
return nil, e.New(err)
}
n, addr, err := c.conn.ReadFromUDP(buf)
if err != nil {
return nil, e.New(err)
}
log.ProtoLevel().Tag("client", "discover").Printf("Response from %v with size %v.", addr, n)
err = c.conn.SetDeadline(time.Time{})
if err != nil {
return nil, e.New(err)
}
dec := gob.NewDecoder(bytes.NewReader(buf[:n]))
var msg Msg
err = dec.Decode(&msg)
if err != nil {
return nil, e.Push(err, e.New("error decoding response"))
}
if msg.Err != nil {
return nil, e.Forward(msg.Err)
}
if msg.From != c.ServerName {
return nil, e.New("wrong server name")
}
if msg.To != c.Name {
return nil, e.New("message isn't for me")
}
buf, err = msg.Message(c.ServerKey, c.PrivateKey)
if err != nil {
return nil, e.Push(err, e.New("error decrypting response"))
}
dec = gob.NewDecoder(bytes.NewReader(buf))
var resp Response
err = dec.Decode(&resp)
if err != nil {
return nil, e.Push(err, e.New("error decoding response"))
}
return &resp, nil
}
func (conn *LocalConnection) run(actionChan <-chan ConnectionAction, finished chan<- struct{}, acceptNewPeer bool) {
var err error // important to use this var and not create another one with 'err :='
defer func() { conn.shutdown(err) }()
defer close(finished)
tcpConn := conn.TCPConn
tcpConn.SetLinger(0)
enc := gob.NewEncoder(tcpConn)
dec := gob.NewDecoder(tcpConn)
if err = conn.handshake(enc, dec, acceptNewPeer); err != nil {
return
}
conn.Log("completed handshake")
// The ordering of the following is very important. [1]
if conn.remoteUDPAddr != nil {
if err = conn.ensureForwarders(); err != nil {
return
}
}
if err = conn.Router.Ourself.AddConnection(conn); err != nil {
return
}
if err = conn.initHeartbeats(); err != nil {
return
}
go conn.receiveTCP(dec)
err = conn.actorLoop(actionChan)
}
//This actually does the deserializing of a Gob encoded classifier
func NewClassifierFromReader(r io.Reader) (c *Classifier, err error) {
dec := gob.NewDecoder(r)
w := new(serializableClassifier)
err = dec.Decode(w)
return &Classifier{w.Classes, w.Learned, w.Seen, w.Datas}, err
}
func makePkt(buf []byte) pkt {
var p pkt
if err := gob.NewDecoder(bytes.NewBuffer(buf)).Decode(&p); err != nil {
panic(err)
}
return p
}
func (c *Client) handle(conn net.Conn, ws *WorkServer) {
defer conn.Close()
reader := gob.NewDecoder(conn)
c.ClientInfo = new(Hyades.ClientInfo)
err := reader.Decode(c.ClientInfo)
if err != nil {
c.FrameWorkError(err)
return
}
c.Owner.Stats.Announced(c.ClientInfo)
log.Println(c.ClientInfo.ComputerName, " Connected")
c.Owner.Stats.Connected()
defer c.Owner.Stats.Disconnected(c.ClientInfo)
lc := logicsocket.Wrap(conn)
workConn := lc.NewConnection(WORK)
go c.ServiceWork(workConn)
heartbeatConn := lc.NewConnection(HEARTBEAT)
c.ServiceHeartBeat(heartbeatConn)
}
func (mfsm *MyFsm) Restore(inp io.ReadCloser) error {
defer inp.Close()
fmt.Printf("Restore......................\n")
mfsm.mutex.Lock()
defer mfsm.mutex.Unlock()
var buffer bytes.Buffer
readdata := make([]byte, 1024)
for {
n, err := inp.Read(readdata)
if err != nil {
panic(err)
}
if n < 1024 {
if n > 0 {
lastbytes := make([]byte, n)
copy(readdata, lastbytes)
buffer.Write(lastbytes)
}
break
} else {
buffer.Write(readdata)
}
}
dec := gob.NewDecoder(&buffer)
err := dec.Decode(&mfsm.data)
errorOnExit(err)
return nil
}
// Read reads the index from r into x; x must not be nil.
// If r does not also implement io.ByteReader, it will be wrapped in a bufio.Reader.
func (x *Index) Read(r io.Reader) error {
// We use the ability to read bytes as a plausible surrogate for buffering.
if _, ok := r.(io.ByteReader); !ok {
r = bufio.NewReader(r)
}
var fx fileIndex
if err := fx.Read(r); err != nil {
return err
}
x.words = fx.Words
x.alts = fx.Alts
x.snippets = fx.Snippets
if fx.Fulltext {
x.fset = token.NewFileSet()
decode := func(x interface{}) error {
return gob.NewDecoder(r).Decode(x)
}
if err := x.fset.Read(decode); err != nil {
return err
}
x.suffixes = new(suffixarray.Index)
if err := x.suffixes.Read(r); err != nil {
return err
}
}
return nil
}
func (ms *ManaSource) GobDecode(data []byte) error {
base.Log().Printf("GobDecode")
dec := gob.NewDecoder(bytes.NewBuffer(data))
err := dec.Decode(&ms.options)
var d1, d2 int
if err == nil {
var d uint32
err = dec.Decode(&d)
ms.thinks = int(d)
base.Log().Printf("Decoded %d", d)
}
if err == nil {
var d uint32
err = dec.Decode(&d)
d1 = int(d)
base.Log().Printf("Decoded %d", d1)
}
if err == nil {
var d uint32
err = dec.Decode(&d)
d2 = int(d)
base.Log().Printf("Decoded %d", d2)
}
if err == nil {
err = dec.Decode(&ms.rawNodes)
}
if err == nil {
ms.nodes = make([][]node, d1)
for i := range ms.nodes {
ms.nodes[i] = ms.rawNodes[i*d2 : (i+1)*d2]
}
}
return err
}
//深拷贝一个对象
func DeepCopy(dst, src interface{}) error {
var buf bytes.Buffer
if err := gob.NewEncoder(&buf).Encode(src); err != nil {
return err
}
return gob.NewDecoder(bytes.NewBuffer(buf.Bytes())).Decode(dst)
}
