forked from cerc-io/plugeth
Remove old websocket implementation
This commit is contained in:
Taylor Gerring
parent
32fbc0d334
commit
726852e3d3
@ -41,7 +41,6 @@ import (
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rpchttp "github.com/ethereum/go-ethereum/rpc/http"
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rpcws "github.com/ethereum/go-ethereum/rpc/ws"
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"github.com/ethereum/go-ethereum/state"
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// "github.com/ethereum/go-ethereum/websocket"
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"github.com/ethereum/go-ethereum/xeth"
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)
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@ -205,8 +204,6 @@ func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
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func StartWebSockets(eth *eth.Ethereum, wsPort int) {
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clilogger.Infoln("Starting WebSockets")
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// sock := websocket.NewWebSocketServer(eth)
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// go sock.Serv()
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var err error
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eth.WsServer, err = rpcws.NewWebSocketServer(eth, wsPort)
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if err != nil {
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@ -1,126 +0,0 @@
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package websocket
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import (
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"fmt"
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"io"
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ws "code.google.com/p/go.net/websocket"
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)
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const channelBufSize = 100
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var maxId int = 0
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type MsgFunc func(c *Client, msg *Message)
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// Chat client.
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type Client struct {
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id int
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ws *ws.Conn
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server *Server
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ch chan *Message
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doneCh chan bool
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onMessage MsgFunc
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}
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// Create new chat client.
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func NewClient(ws *ws.Conn, server *Server) *Client {
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if ws == nil {
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panic("ws cannot be nil")
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}
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if server == nil {
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panic("server cannot be nil")
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}
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maxId++
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ch := make(chan *Message, channelBufSize)
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doneCh := make(chan bool)
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return &Client{maxId, ws, server, ch, doneCh, nil}
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}
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func (c *Client) Id() int {
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return c.id
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}
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func (c *Client) Conn() *ws.Conn {
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return c.ws
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}
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func (c *Client) Write(data interface{}, id int) {
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c.write(&Message{Id: id, Data: data})
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}
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func (c *Client) Event(data interface{}, ev string, id int) {
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c.write(&Message{Id: id, Data: data, Event: ev})
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}
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func (c *Client) write(msg *Message) {
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select {
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case c.ch <- msg:
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default:
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c.server.Del(c)
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err := fmt.Errorf("client %d is disconnected.", c.id)
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c.server.Err(err)
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}
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}
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func (c *Client) Done() {
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c.doneCh <- true
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}
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// Listen Write and Read request via chanel
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func (c *Client) Listen() {
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go c.listenWrite()
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c.listenRead()
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}
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// Listen write request via chanel
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func (c *Client) listenWrite() {
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for {
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select {
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// send message to the client
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case msg := <-c.ch:
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wslogger.Debugln("Send:", msg)
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ws.JSON.Send(c.ws, msg)
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// receive done request
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case <-c.doneCh:
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c.server.Del(c)
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c.doneCh <- true // for listenRead method
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return
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}
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}
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}
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// Listen read request via chanel
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func (c *Client) listenRead() {
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for {
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select {
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// receive done request
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case <-c.doneCh:
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c.server.Del(c)
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c.doneCh <- true // for listenWrite method
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return
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// read data from ws connection
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default:
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var msg Message
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err := ws.JSON.Receive(c.ws, &msg)
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if err == io.EOF {
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c.doneCh <- true
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} else if err != nil {
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c.server.Err(err)
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} else {
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wslogger.Debugln(&msg)
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if c.onMessage != nil {
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c.onMessage(c, &msg)
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}
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}
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}
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}
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}
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@ -1,15 +0,0 @@
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package websocket
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import "github.com/ethereum/go-ethereum/ethutil"
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type Message struct {
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Call string `json:"call"`
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Args []interface{} `json:"args"`
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Id int `json:"_id"`
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Data interface{} `json:"data"`
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Event string `json:"_event"`
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}
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func (self *Message) Arguments() *ethutil.Value {
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return ethutil.NewValue(self.Args)
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}
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@ -1,125 +0,0 @@
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package websocket
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import (
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"net/http"
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"github.com/ethereum/go-ethereum/logger"
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ws "code.google.com/p/go.net/websocket"
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)
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var wslogger = logger.NewLogger("WS")
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// Chat server.
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type Server struct {
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httpServ string
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pattern string
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messages []*Message
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clients map[int]*Client
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addCh chan *Client
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delCh chan *Client
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sendAllCh chan string
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doneCh chan bool
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errCh chan error
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msgFunc MsgFunc
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}
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// Create new chat server.
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func NewServer(pattern, httpServ string) *Server {
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clients := make(map[int]*Client)
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addCh := make(chan *Client)
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delCh := make(chan *Client)
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sendAllCh := make(chan string)
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doneCh := make(chan bool)
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errCh := make(chan error)
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return &Server{
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httpServ,
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pattern,
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nil,
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clients,
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addCh,
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delCh,
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sendAllCh,
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doneCh,
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errCh,
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nil,
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}
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}
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func (s *Server) Add(c *Client) {
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s.addCh <- c
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}
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func (s *Server) Del(c *Client) {
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s.delCh <- c
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}
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func (s *Server) SendAll(msg string) {
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s.sendAllCh <- msg
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}
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func (s *Server) Done() {
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s.doneCh <- true
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}
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func (s *Server) Err(err error) {
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s.errCh <- err
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}
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func (s *Server) servHTTP() {
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wslogger.Debugln("Serving http", s.httpServ)
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err := http.ListenAndServe(s.httpServ, nil)
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wslogger.Warnln(err)
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}
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func (s *Server) MessageFunc(f MsgFunc) {
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s.msgFunc = f
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}
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// Listen and serve.
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// It serves client connection and broadcast request.
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func (s *Server) Listen() {
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// ws handler
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onConnected := func(ws *ws.Conn) {
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defer func() {
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err := ws.Close()
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if err != nil {
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s.errCh <- err
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}
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}()
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client := NewClient(ws, s)
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client.onMessage = s.msgFunc
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s.Add(client)
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client.Listen()
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}
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// Disable Origin check. Request don't need to come necessarily from origin.
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http.HandleFunc(s.pattern, func(w http.ResponseWriter, req *http.Request) {
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s := ws.Server{Handler: ws.Handler(onConnected)}
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s.ServeHTTP(w, req)
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})
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wslogger.Debugln("Created handler")
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go s.servHTTP()
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for {
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select {
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// Add new a client
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case c := <-s.addCh:
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s.clients[c.id] = c
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// del a client
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case c := <-s.delCh:
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delete(s.clients, c.id)
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case err := <-s.errCh:
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wslogger.Debugln("Error:", err.Error())
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case <-s.doneCh:
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return
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}
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}
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}
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@ -1,205 +0,0 @@
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/*
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This file is part of go-ethereum
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go-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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go-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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package websocket
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import (
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/event/filter"
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"github.com/ethereum/go-ethereum/state"
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"github.com/ethereum/go-ethereum/ui"
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"github.com/ethereum/go-ethereum/xeth"
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)
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func args(v ...interface{}) []interface{} {
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return v
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}
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type WebSocketServer struct {
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eth *eth.Ethereum
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filterManager *filter.FilterManager
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}
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func NewWebSocketServer(eth *eth.Ethereum) *WebSocketServer {
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filterManager := filter.NewFilterManager(eth.EventMux())
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go filterManager.Start()
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return &WebSocketServer{eth, filterManager}
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}
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func (self *WebSocketServer) Serv() {
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pipe := xeth.NewJSXEth(self.eth)
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wsServ := NewServer("/eth", ":40404")
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wsServ.MessageFunc(func(c *Client, msg *Message) {
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switch msg.Call {
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case "compile":
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data := ethutil.NewValue(msg.Args)
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bcode, err := ethutil.Compile(data.Get(0).Str(), false)
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if err != nil {
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c.Write(args(nil, err.Error()), msg.Id)
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}
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code := ethutil.Bytes2Hex(bcode)
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c.Write(args(code, nil), msg.Id)
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case "eth_blockByNumber":
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args := msg.Arguments()
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block := pipe.BlockByNumber(int32(args.Get(0).Uint()))
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c.Write(block, msg.Id)
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case "eth_blockByHash":
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args := msg.Arguments()
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c.Write(pipe.BlockByHash(args.Get(0).Str()), msg.Id)
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case "eth_transact":
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if mp, ok := msg.Args[0].(map[string]interface{}); ok {
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object := mapToTxParams(mp)
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c.Write(
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args(pipe.Transact(pipe.Key().PrivateKey, object["to"], object["value"], object["gas"], object["gasPrice"], object["data"])),
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msg.Id,
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)
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}
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case "eth_gasPrice":
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c.Write("10000000000000", msg.Id)
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case "eth_coinbase":
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c.Write(pipe.CoinBase(), msg.Id)
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case "eth_listening":
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c.Write(pipe.IsListening(), msg.Id)
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case "eth_mining":
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c.Write(pipe.IsMining(), msg.Id)
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case "eth_peerCount":
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c.Write(pipe.PeerCount(), msg.Id)
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case "eth_countAt":
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args := msg.Arguments()
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c.Write(pipe.TxCountAt(args.Get(0).Str()), msg.Id)
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case "eth_codeAt":
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args := msg.Arguments()
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c.Write(len(pipe.CodeAt(args.Get(0).Str())), msg.Id)
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case "eth_storageAt":
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args := msg.Arguments()
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c.Write(pipe.StorageAt(args.Get(0).Str(), args.Get(1).Str()), msg.Id)
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case "eth_balanceAt":
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args := msg.Arguments()
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c.Write(pipe.BalanceAt(args.Get(0).Str()), msg.Id)
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case "eth_accounts":
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c.Write(pipe.Accounts(), msg.Id)
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case "eth_newFilter":
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if mp, ok := msg.Args[0].(map[string]interface{}); ok {
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var id int
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filter := ui.NewFilterFromMap(mp, self.eth)
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filter.LogsCallback = func(logs state.Logs) {
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//c.Event(toMessages(messages), "eth_changed", id)
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}
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id = self.filterManager.InstallFilter(filter)
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c.Write(id, msg.Id)
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}
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case "eth_newFilterString":
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var id int
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filter := core.NewFilter(self.eth)
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filter.BlockCallback = func(block *types.Block) {
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c.Event(nil, "eth_changed", id)
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}
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id = self.filterManager.InstallFilter(filter)
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c.Write(id, msg.Id)
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case "eth_filterLogs":
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filter := self.filterManager.GetFilter(int(msg.Arguments().Get(0).Uint()))
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if filter != nil {
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//c.Write(toMessages(filter.Find()), msg.Id)
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}
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}
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})
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wsServ.Listen()
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}
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func toMessages(messages state.Messages) (msgs []xeth.JSMessage) {
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msgs = make([]xeth.JSMessage, len(messages))
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for i, msg := range messages {
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msgs[i] = xeth.NewJSMessage(msg)
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}
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return
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}
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// TODO This is starting to become a generic method. Move to utils
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func mapToTxParams(object map[string]interface{}) map[string]string {
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// Default values
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if object["from"] == nil {
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object["from"] = ""
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}
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if object["to"] == nil {
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object["to"] = ""
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}
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if object["value"] == nil {
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object["value"] = ""
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}
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if object["gas"] == nil {
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object["gas"] = ""
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}
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if object["gasPrice"] == nil {
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object["gasPrice"] = ""
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}
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var dataStr string
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var data []string
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if str, ok := object["data"].(string); ok {
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data = []string{str}
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}
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for _, str := range data {
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if ethutil.IsHex(str) {
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str = str[2:]
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if len(str) != 64 {
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str = ethutil.LeftPadString(str, 64)
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}
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} else {
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str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
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}
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dataStr += str
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}
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object["data"] = dataStr
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conv := make(map[string]string)
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for key, value := range object {
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if v, ok := value.(string); ok {
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conv[key] = v
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}
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}
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return conv
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}
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