mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

added attach over ipc command

Browse Source
pull/1279/head
Bas van Kervel 9 years ago
parent 36a6b16a3b
commit f202563777
8 changed files with 238 additions and 35 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 89
      cmd/geth/js.go
  2. 46
      cmd/geth/main.go
  3. 27
      rpc/comms/comms.go
  4. 3
      rpc/comms/http.go
  5. 18
      rpc/comms/inproc.go
  6. 68
      rpc/comms/ipc.go
  7. 12
      rpc/comms/ipc_unix.go
  8. 10
      rpc/comms/ipc_windows.go

89
cmd/geth/js.go
Unescape View File

@ -26,6 +26,8 @@ import (
"path/filepath"
"strings"
"sort"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/docserver"
@ -36,7 +38,6 @@ import (
"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/xeth"
"github.com/peterh/liner"
"github.com/robertkrimen/otto"
@ -137,6 +138,40 @@ func apiWordCompleter(line string, pos int) (head string, completions []string,
return begin, completionWords, end
}
func newLightweightJSRE(libPath string, client comms.EthereumClient, interactive bool, f xeth.Frontend) *jsre {
js := &jsre{ps1: "> "}
js.wait = make(chan *big.Int)
js.client = client
if f == nil {
f = js
}
// update state in separare forever blocks
js.re = re.New(libPath)
if err := js.apiBindings(f); err != nil {
utils.Fatalf("Unable to initialize console - %v", err)
}
if !liner.TerminalSupported() || !interactive {
js.prompter = dumbterm{bufio.NewReader(os.Stdin)}
} else {
lr := liner.NewLiner()
//js.withHistory(func(hist *os.File) { lr.ReadHistory(hist) })
lr.SetCtrlCAborts(true)
js.loadAutoCompletion()
lr.SetWordCompleter(apiWordCompleter)
lr.SetTabCompletionStyle(liner.TabPrints)
js.prompter = lr
js.atexit = func() {
js.withHistory(func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) })
lr.Close()
close(js.wait)
}
}
return js
}
func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain string, client comms.EthereumClient, interactive bool, f xeth.Frontend) *jsre {
js := &jsre{ethereum: ethereum, ps1: "> "}
// set default cors domain used by startRpc from CLI flag
@ -177,7 +212,7 @@ func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain string, client comms.Et
}
func (self *jsre) loadAutoCompletion() {
if modules, err := self.suportedApis(); err == nil {
if modules, err := self.supportedApis(); err == nil {
loadedModulesMethods = make(map[string][]string)
for module, _ := range modules {
loadedModulesMethods[module] = api.AutoCompletion[module]
@ -185,34 +220,33 @@ func (self *jsre) loadAutoCompletion() {
}
}
func (self *jsre) suportedApis() (map[string]string, error) {
req := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "modules",
}
err := self.client.Send(&req)
if err != nil {
return nil, err
}
res, err := self.client.Recv()
if err != nil {
return nil, err
}
if sucRes, ok := res.(map[string]string); ok {
if err == nil {
return sucRes, nil
// show summary of current geth instance
func (self *jsre) welcome() {
self.re.Eval(`console.log('instance: ' + web3.version.client);`)
self.re.Eval(`console.log(' datadir: ' + admin.datadir);`)
self.re.Eval(`console.log("coinbase: " + eth.coinbase);`)
self.re.Eval(`var lastBlockTimestamp = 1000 * eth.getBlock(eth.blockNumber).timestamp`)
self.re.Eval(`console.log("at block: " + eth.blockNumber + " (" + new Date(lastBlockTimestamp).toLocaleDateString()
+ " " + new Date(lastBlockTimestamp).toLocaleTimeString() + ")");`)
if modules, err := self.supportedApis(); err == nil {
loadedModules := make([]string, 0)
for api, version := range modules {
loadedModules = append(loadedModules, fmt.Sprintf("%s:%s", api, version))
}
sort.Strings(loadedModules)
self.re.Eval(fmt.Sprintf("var modules = '%s';", strings.Join(loadedModules, " ")))
self.re.Eval(`console.log(" modules: " + modules);`)
}
}
return nil, fmt.Errorf("Unable to determine supported API's")
func (self *jsre) supportedApis() (map[string]string, error) {
return self.client.SupportedModules()
}
func (js *jsre) apiBindings(f xeth.Frontend) error {
apis, err := js.suportedApis()
apis, err := js.supportedApis()
if err != nil {
return err
}
@ -366,7 +400,12 @@ func (self *jsre) interactive() {
}
func (self *jsre) withHistory(op func(*os.File)) {
hist, err := os.OpenFile(filepath.Join(self.ethereum.DataDir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
datadir := common.DefaultDataDir()
if self.ethereum != nil {
datadir = self.ethereum.DataDir
}
hist, err := os.OpenFile(filepath.Join(datadir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
if err != nil {
fmt.Printf("unable to open history file: %v\n", err)
return

46
cmd/geth/main.go
Unescape View File

@ -204,6 +204,16 @@ nodes.
The Geth console is an interactive shell for the JavaScript runtime environment
which exposes a node admin interface as well as the Ðapp JavaScript API.
See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Console
`},
{
Action: attach,
Name: "attach",
Usage: `Geth Console: interactive JavaScript environment`,
Description: `
The Geth console is an interactive shell for the JavaScript runtime environment
which exposes a node admin interface as well as the Ðapp JavaScript API.
See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Console.
This command allows to open a console on a running geth node.
`,
},
{
@ -297,6 +307,40 @@ func run(ctx *cli.Context) {
ethereum.WaitForShutdown()
}
func attach(ctx *cli.Context) {
// Wrap the standard output with a colorified stream (windows)
if isatty.IsTerminal(os.Stdout.Fd()) {
if pr, pw, err := os.Pipe(); err == nil {
go io.Copy(colorable.NewColorableStdout(), pr)
os.Stdout = pw
}
}
var client comms.EthereumClient
var err error
if ctx.Args().Present() {
client, err = comms.ClientFromEndpoint(ctx.Args().First(), codec.JSON)
} else {
cfg := comms.IpcConfig{
Endpoint: ctx.GlobalString(utils.IPCPathFlag.Name),
}
client, err = comms.NewIpcClient(cfg, codec.JSON)
}
if err != nil {
utils.Fatalf("Unable to attach to geth node - %v", err)
}
repl := newLightweightJSRE(
ctx.String(utils.JSpathFlag.Name),
client,
true,
nil)
repl.welcome()
repl.interactive()
}
func console(ctx *cli.Context) {
// Wrap the standard output with a colorified stream (windows)
if isatty.IsTerminal(os.Stdout.Fd()) {
@ -323,6 +367,8 @@ func console(ctx *cli.Context) {
true,
nil,
)
repl.welcome()
repl.interactive()
ethereum.Stop()

27
rpc/comms/comms.go
Unescape View File

@ -4,12 +4,14 @@ import (
"io"
"net"
"fmt"
"strings"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"strings"
)
const (
@ -26,7 +28,7 @@ var (
// List with API's which are offered over thr HTTP/RPC interface by default
DefaultHttpRpcApis = strings.Join([]string{
api.DbApiName, api.EthApiName, api.NetApiName, api.Web3ApiName,
}, ",")
}, ",")
)
type EthereumClient interface {
@ -36,6 +38,8 @@ type EthereumClient interface {
Send(interface{}) error
// Receive response
Recv() (interface{}, error)
// List with modules this client supports
SupportedModules() (map[string]string, error)
}
func handle(conn net.Conn, api api.EthereumApi, c codec.Codec) {
@ -64,3 +68,22 @@ func handle(conn net.Conn, api api.EthereumApi, c codec.Codec) {
}
}
}
// Endpoint must be in the form of:
// ${protocol}:${path}
// e.g. ipc:/tmp/geth.ipc
// rpc:localhost:8545
func ClientFromEndpoint(endpoint string, c codec.Codec) (EthereumClient, error) {
if strings.HasPrefix(endpoint, "ipc:") {
cfg := IpcConfig{
Endpoint: endpoint[4:],
}
return NewIpcClient(cfg, codec.JSON)
}
if strings.HasPrefix(endpoint, "rpc:") {
}
return nil, fmt.Errorf("Invalid endpoint")
}

3
rpc/comms/http.go
Unescape View File

@ -64,7 +64,6 @@ func StopHttp() {
}
}
type httpClient struct {
codec codec.ApiCoder
}
@ -86,4 +85,4 @@ func (self *httpClient) Send(req interface{}) error {
func (self *httpClient) Recv() (interface{}, error) {
return nil, nil
}
}

18
rpc/comms/inproc.go
Unescape View File

@ -51,3 +51,21 @@ func (self *InProcClient) Send(req interface{}) error {
func (self *InProcClient) Recv() (interface{}, error) {
return self.lastRes, self.lastErr
}
func (self *InProcClient) SupportedModules() (map[string]string, error) {
req := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "modules",
}
if res, err := self.api.Execute(&req); err == nil {
if result, ok := res.(map[string]string); ok {
return result, nil
}
} else {
return nil, err
}
return nil, fmt.Errorf("Invalid response")
}

68
rpc/comms/ipc.go
Unescape View File

@ -1,8 +1,13 @@
package comms
import (
"fmt"
"net"
"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
"encoding/json"
)
type IpcConfig struct {
@ -10,19 +15,74 @@ type IpcConfig struct {
}
type ipcClient struct {
codec codec.ApiCoder
endpoint string
codec codec.Codec
coder codec.ApiCoder
}
func (self *ipcClient) Close() {
self.codec.Close()
self.coder.Close()
}
func (self *ipcClient) Send(req interface{}) error {
return self.codec.WriteResponse(req)
var err error
if r, ok := req.(*shared.Request); ok {
if err = self.coder.WriteResponse(r); err != nil {
if _, ok := err.(*net.OpError); ok { // connection lost, retry once
if err = self.reconnect(); err == nil {
err = self.coder.WriteResponse(r)
}
}
}
return err
}
return fmt.Errorf("Invalid request (%T)", req)
}
func (self *ipcClient) Recv() (interface{}, error) {
return self.codec.ReadResponse()
res, err := self.coder.ReadResponse()
if err != nil {
return nil, err
}
if r, ok := res.(shared.SuccessResponse); ok {
return r.Result, nil
}
if r, ok := res.(shared.ErrorResponse); ok {
return r.Error, nil
}
return res, err
}
func (self *ipcClient) SupportedModules() (map[string]string, error) {
req := shared.Request{
Id: 1,
Jsonrpc: "2.0",
Method: "modules",
}
if err := self.coder.WriteResponse(req); err != nil {
return nil, err
}
res, err := self.coder.ReadResponse()
if err != nil {
return nil, err
}
if sucRes, ok := res.(shared.SuccessResponse); ok {
data, _ := json.Marshal(sucRes.Result)
modules := make(map[string]string)
err = json.Unmarshal(data, &modules)
if err == nil {
return modules, nil
}
}
return nil, fmt.Errorf("Invalid response")
}
// Create a new IPC client, UNIX domain socket on posix, named pipe on Windows

12
rpc/comms/ipc_unix.go
Unescape View File

@ -18,7 +18,17 @@ func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
return nil, err
}
return &ipcClient{codec.New(c)}, nil
return &ipcClient{cfg.Endpoint, codec, codec.New(c)}, nil
}
func (self *ipcClient) reconnect() error {
self.coder.Close()
c, err := net.DialUnix("unix", nil, &net.UnixAddr{self.endpoint, "unix"})
if err == nil {
self.coder = self.codec.New(c)
}
return err
}
func startIpc(cfg IpcConfig, codec codec.Codec, api api.EthereumApi) error {

10
rpc/comms/ipc_windows.go
Unescape View File

@ -641,7 +641,15 @@ func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
return nil, err
}
return &ipcClient{codec.New(c)}, nil
return &ipcClient{cfg.Endpoint, codec, codec.New(c)}, nil
}
func (self *ipcClient) reconnect() error {
c, err := Dial(self.endpoint)
if err == nil {
self.coder = self.codec.New(c)
}
return err
}
func startIpc(cfg IpcConfig, codec codec.Codec, api api.EthereumApi) error {

Write Preview
Loading…
Cancel
Save