ethwire => wire

1 files changed, 0 insertions, 199 deletions

diff --git a/ethwire/messages2.go b/ethwire/messages2.go
deleted file mode 100644
index ebbc7c912..000000000
--- a/ethwire/messages2.go
+++ /dev/null
@@ -1,199 +0,0 @@
-package ethwire
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"net"
-	"time"
-
-	"github.com/ethereum/go-ethereum/ethutil"
-)
-
-// The connection object allows you to set up a connection to the Ethereum network.
-// The Connection object takes care of all encoding and sending objects properly over
-// the network.
-type Connection struct {
-	conn            net.Conn
-	nTimeout        time.Duration
-	pendingMessages Messages
-}
-
-// Create a new connection to the Ethereum network
-func New(conn net.Conn) *Connection {
-	return &Connection{conn: conn, nTimeout: 500}
-}
-
-// Read, reads from the network. It will block until the next message is received.
-func (self *Connection) Read() *Msg {
-	if len(self.pendingMessages) == 0 {
-		self.readMessages()
-	}
-
-	ret := self.pendingMessages[0]
-	self.pendingMessages = self.pendingMessages[1:]
-
-	return ret
-
-}
-
-// Write to the Ethereum network specifying the type of the message and
-// the data. Data can be of type RlpEncodable or []interface{}. Returns
-// nil or if something went wrong an error.
-func (self *Connection) Write(typ MsgType, v ...interface{}) error {
-	var pack []byte
-
-	slice := [][]interface{}{[]interface{}{byte(typ)}}
-	for _, value := range v {
-		if encodable, ok := value.(ethutil.RlpEncodeDecode); ok {
-			slice = append(slice, encodable.RlpValue())
-		} else if raw, ok := value.([]interface{}); ok {
-			slice = append(slice, raw)
-		} else {
-			panic(fmt.Sprintf("Unable to 'write' object of type %T", value))
-		}
-	}
-
-	// Encode the type and the (RLP encoded) data for sending over the wire
-	encoded := ethutil.NewValue(slice).Encode()
-	payloadLength := ethutil.NumberToBytes(uint32(len(encoded)), 32)
-
-	// Write magic token and payload length (first 8 bytes)
-	pack = append(MagicToken, payloadLength...)
-	pack = append(pack, encoded...)
-
-	// Write to the connection
-	_, err := self.conn.Write(pack)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func (self *Connection) readMessage(data []byte) (msg *Msg, remaining []byte, done bool, err error) {
-	if len(data) == 0 {
-		return nil, nil, true, nil
-	}
-
-	if len(data) <= 8 {
-		return nil, remaining, false, errors.New("Invalid message")
-	}
-
-	// Check if the received 4 first bytes are the magic token
-	if bytes.Compare(MagicToken, data[:4]) != 0 {
-		return nil, nil, false, fmt.Errorf("MagicToken mismatch. Received %v", data[:4])
-	}
-
-	messageLength := ethutil.BytesToNumber(data[4:8])
-	remaining = data[8+messageLength:]
-	if int(messageLength) > len(data[8:]) {
-		return nil, nil, false, fmt.Errorf("message length %d, expected %d", len(data[8:]), messageLength)
-	}
-
-	message := data[8 : 8+messageLength]
-	decoder := ethutil.NewValueFromBytes(message)
-	// Type of message
-	t := decoder.Get(0).Uint()
-	// Actual data
-	d := decoder.SliceFrom(1)
-
-	msg = &Msg{
-		Type: MsgType(t),
-		Data: d,
-	}
-
-	return
-}
-
-// The basic message reader waits for data on the given connection, decoding
-// and doing a few sanity checks such as if there's a data type and
-// unmarhals the given data
-func (self *Connection) readMessages() (err error) {
-	// The recovering function in case anything goes horribly wrong
-	defer func() {
-		if r := recover(); r != nil {
-			err = fmt.Errorf("ethwire.ReadMessage error: %v", r)
-		}
-	}()
-
-	// Buff for writing network message to
-	//buff := make([]byte, 1440)
-	var buff []byte
-	var totalBytes int
-	for {
-		// Give buffering some time
-		self.conn.SetReadDeadline(time.Now().Add(self.nTimeout * time.Millisecond))
-		// Create a new temporarily buffer
-		b := make([]byte, 1440)
-		// Wait for a message from this peer
-		n, _ := self.conn.Read(b)
-		if err != nil && n == 0 {
-			if err.Error() != "EOF" {
-				fmt.Println("err now", err)
-				return err
-			} else {
-				break
-			}
-
-			// Messages can't be empty
-		} else if n == 0 {
-			break
-		}
-
-		buff = append(buff, b[:n]...)
-		totalBytes += n
-	}
-
-	// Reslice buffer
-	buff = buff[:totalBytes]
-	msg, remaining, done, err := self.readMessage(buff)
-	for ; done != true; msg, remaining, done, err = self.readMessage(remaining) {
-		//log.Println("rx", msg)
-
-		if msg != nil {
-			self.pendingMessages = append(self.pendingMessages, msg)
-		}
-	}
-
-	return
-}
-
-func ReadMessage(data []byte) (msg *Msg, remaining []byte, done bool, err error) {
-	if len(data) == 0 {
-		return nil, nil, true, nil
-	}
-
-	if len(data) <= 8 {
-		return nil, remaining, false, errors.New("Invalid message")
-	}
-
-	// Check if the received 4 first bytes are the magic token
-	if bytes.Compare(MagicToken, data[:4]) != 0 {
-		return nil, nil, false, fmt.Errorf("MagicToken mismatch. Received %v", data[:4])
-	}
-
-	messageLength := ethutil.BytesToNumber(data[4:8])
-	remaining = data[8+messageLength:]
-	if int(messageLength) > len(data[8:]) {
-		return nil, nil, false, fmt.Errorf("message length %d, expected %d", len(data[8:]), messageLength)
-	}
-
-	message := data[8 : 8+messageLength]
-	decoder := ethutil.NewValueFromBytes(message)
-	// Type of message
-	t := decoder.Get(0).Uint()
-	// Actual data
-	d := decoder.SliceFrom(1)
-
-	msg = &Msg{
-		Type: MsgType(t),
-		Data: d,
-	}
-
-	return
-}
-
-func bufferedRead(conn net.Conn) ([]byte, error) {
-	return nil, nil
-}