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Update protocol package

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This commit is contained in:
Audrius Butkevicius 2015-07-30 18:47:23 +01:00
parent 5a2db802d9
commit b63351074c
6 changed files with 72 additions and 38 deletions
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2
Godeps/Godeps.json generated
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@ -35,7 +35,7 @@
},
{
"ImportPath": "github.com/syncthing/protocol",
"Rev": "22e24fc3879b1665077389f96862e222b2cdd8d3"
"Rev": "ebcdea63c07327a342f65415bbadc497462b8f1f"
},
{
"ImportPath": "github.com/syndtr/goleveldb/leveldb",

5
Godeps/_workspace/src/github.com/syncthing/protocol/common_test.go generated vendored
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@ -31,7 +31,7 @@ func (t *TestModel) Index(deviceID DeviceID, folder string, files []FileInfo, fl
func (t *TestModel) IndexUpdate(deviceID DeviceID, folder string, files []FileInfo, flags uint32, options []Option) {
}
func (t *TestModel) Request(deviceID DeviceID, folder, name string, offset int64, size int, hash []byte, flags uint32, options []Option) ([]byte, error) {
func (t *TestModel) Request(deviceID DeviceID, folder, name string, offset int64, size int, hash []byte, flags uint32, options []Option, buf []byte) error {
t.folder = folder
t.name = name
t.offset = offset
@ -39,7 +39,8 @@ func (t *TestModel) Request(deviceID DeviceID, folder, name string, offset int64
t.hash = hash
t.flags = flags
t.options = options
return t.data, nil
copy(buf, t.data)
return nil
}
func (t *TestModel) Close(deviceID DeviceID, err error) {

4
Godeps/_workspace/src/github.com/syncthing/protocol/nativemodel_darwin.go generated vendored
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@ -26,9 +26,9 @@ func (m nativeModel) IndexUpdate(deviceID DeviceID, folder string, files []FileI
m.next.IndexUpdate(deviceID, folder, files, flags, options)
}
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, size int, hash []byte, flags uint32, options []Option) ([]byte, error) {
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, hash []byte, flags uint32, options []Option, buf []byte) error {
name = norm.NFD.String(name)
return m.next.Request(deviceID, folder, name, offset, size, hash, flags, options)
return m.next.Request(deviceID, folder, name, offset, hash, flags, options, buf)
}
func (m nativeModel) ClusterConfig(deviceID DeviceID, config ClusterConfigMessage) {

4
Godeps/_workspace/src/github.com/syncthing/protocol/nativemodel_unix.go generated vendored
View File

@ -18,8 +18,8 @@ func (m nativeModel) IndexUpdate(deviceID DeviceID, folder string, files []FileI
m.next.IndexUpdate(deviceID, folder, files, flags, options)
}
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, size int, hash []byte, flags uint32, options []Option) ([]byte, error) {
return m.next.Request(deviceID, folder, name, offset, size, hash, flags, options)
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, hash []byte, flags uint32, options []Option, buf []byte) error {
return m.next.Request(deviceID, folder, name, offset, hash, flags, options, buf)
}
func (m nativeModel) ClusterConfig(deviceID DeviceID, config ClusterConfigMessage) {

4
Godeps/_workspace/src/github.com/syncthing/protocol/nativemodel_windows.go generated vendored
View File

@ -34,9 +34,9 @@ func (m nativeModel) IndexUpdate(deviceID DeviceID, folder string, files []FileI
m.next.IndexUpdate(deviceID, folder, files, flags, options)
}
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, size int, hash []byte, flags uint32, options []Option) ([]byte, error) {
func (m nativeModel) Request(deviceID DeviceID, folder string, name string, offset int64, hash []byte, flags uint32, options []Option, buf []byte) error {
name = filepath.FromSlash(name)
return m.next.Request(deviceID, folder, name, offset, size, hash, flags, options)
return m.next.Request(deviceID, folder, name, offset, hash, flags, options, buf)
}
func (m nativeModel) ClusterConfig(deviceID DeviceID, config ClusterConfigMessage) {

59
Godeps/_workspace/src/github.com/syncthing/protocol/protocol.go generated vendored
View File

@ -81,7 +81,7 @@ type Model interface {
// An index update was received from the peer device
IndexUpdate(deviceID DeviceID, folder string, files []FileInfo, flags uint32, options []Option)
// A request was made by the peer device
Request(deviceID DeviceID, folder string, name string, offset int64, size int, hash []byte, flags uint32, options []Option) ([]byte, error)
Request(deviceID DeviceID, folder string, name string, offset int64, hash []byte, flags uint32, options []Option, buf []byte) error
// A cluster configuration message was received
ClusterConfig(deviceID DeviceID, config ClusterConfigMessage)
// The peer device closed the connection
@ -116,7 +116,7 @@ type rawConnection struct {
outbox chan hdrMsg
closed chan struct{}
once sync.Once
pool sync.Pool
compression Compression
rdbuf0 []byte // used & reused by readMessage
@ -131,6 +131,7 @@ type asyncResult struct {
type hdrMsg struct {
hdr header
msg encodable
done chan struct{}
}
type encodable interface {
@ -159,6 +160,11 @@ func NewConnection(deviceID DeviceID, reader io.Reader, writer io.Writer, receiv
outbox: make(chan hdrMsg),
nextID: make(chan int),
closed: make(chan struct{}),
pool: sync.Pool{
New: func() interface{} {
return make([]byte, BlockSize)
},
},
compression: compress,
}
@ -195,7 +201,7 @@ func (c *rawConnection) Index(folder string, idx []FileInfo, flags uint32, optio
Files: idx,
Flags: flags,
Options: options,
})
}, nil)
c.idxMut.Unlock()
return nil
}
@ -213,7 +219,7 @@ func (c *rawConnection) IndexUpdate(folder string, idx []FileInfo, flags uint32,
Files: idx,
Flags: flags,
Options: options,
})
}, nil)
c.idxMut.Unlock()
return nil
}
@ -243,7 +249,7 @@ func (c *rawConnection) Request(folder string, name string, offset int64, size i
Hash: hash,
Flags: flags,
Options: options,
})
}, nil)
if !ok {
return nil, ErrClosed
}
@ -257,7 +263,7 @@ func (c *rawConnection) Request(folder string, name string, offset int64, size i
// ClusterConfig send the cluster configuration message to the peer and returns any error
func (c *rawConnection) ClusterConfig(config ClusterConfigMessage) {
c.send(-1, messageTypeClusterConfig, config)
c.send(-1, messageTypeClusterConfig, config, nil)
}
func (c *rawConnection) ping() bool {
@ -273,7 +279,7 @@ func (c *rawConnection) ping() bool {
c.awaiting[id] = rc
c.awaitingMut.Unlock()
ok := c.send(id, messageTypePing, nil)
ok := c.send(id, messageTypePing, nil, nil)
if !ok {
return false
}
@ -342,7 +348,7 @@ func (c *rawConnection) readerLoop() (err error) {
if state != stateReady {
return fmt.Errorf("protocol error: ping message in state %d", state)
}
c.send(hdr.msgID, messageTypePong, pongMessage{})
c.send(hdr.msgID, messageTypePong, pongMessage{}, nil)
case pongMessage:
if state != stateReady {
@ -519,12 +525,36 @@ func filterIndexMessageFiles(fs []FileInfo) []FileInfo {
}
func (c *rawConnection) handleRequest(msgID int, req RequestMessage) {
data, err := c.receiver.Request(c.id, req.Folder, req.Name, int64(req.Offset), int(req.Size), req.Hash, req.Flags, req.Options)
size := int(req.Size)
usePool := size <= BlockSize
var buf []byte
var done chan struct{}
if usePool {
buf = c.pool.Get().([]byte)[:size]
done = make(chan struct{})
} else {
buf = make([]byte, size)
}
err := c.receiver.Request(c.id, req.Folder, req.Name, int64(req.Offset), req.Hash, req.Flags, req.Options, buf)
if err != nil {
c.send(msgID, messageTypeResponse, ResponseMessage{
Data: data,
Data: nil,
Code: errorToCode(err),
})
}, done)
} else {
c.send(msgID, messageTypeResponse, ResponseMessage{
Data: buf,
Code: errorToCode(err),
}, done)
}
if usePool {
<-done
c.pool.Put(buf)
}
}
func (c *rawConnection) handleResponse(msgID int, resp ResponseMessage) {
@ -547,7 +577,7 @@ func (c *rawConnection) handlePong(msgID int) {
c.awaitingMut.Unlock()
}
func (c *rawConnection) send(msgID int, msgType int, msg encodable) bool {
func (c *rawConnection) send(msgID int, msgType int, msg encodable, done chan struct{}) bool {
if msgID < 0 {
select {
case id := <-c.nextID:
@ -564,7 +594,7 @@ func (c *rawConnection) send(msgID int, msgType int, msg encodable) bool {
}
select {
case c.outbox <- hdrMsg{hdr, msg}:
case c.outbox <- hdrMsg{hdr, msg, done}:
return true
case <-c.closed:
return false
@ -583,6 +613,9 @@ func (c *rawConnection) writerLoop() {
if hm.msg != nil {
// Uncompressed message in uncBuf
uncBuf, err = hm.msg.AppendXDR(uncBuf[:0])
if hm.done != nil {
close(hm.done)
}
if err != nil {
c.close(err)
return