diff --git a/cmd/geth/js_test.go b/cmd/geth/js_test.go
index 19583c5efe..4330b484c0 100644
--- a/cmd/geth/js_test.go
+++ b/cmd/geth/js_test.go
@@ -37,22 +37,21 @@ import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/node"
- "github.com/ethereum/go-ethereum/cmd/utils"
)
const (
testSolcPath = ""
- solcVersion = "0.9.23"
+ solcVersion = "0.9.23"
- testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
+ testKey = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
testBalance = "10000000000000000000"
-// of empty string
+ // of empty string
testHash = "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
)
var (
- versionRE = regexp.MustCompile(strconv.Quote(`"compilerVersion":"` + solcVersion + `"`))
+ versionRE = regexp.MustCompile(strconv.Quote(`"compilerVersion":"` + solcVersion + `"`))
testNodeKey = crypto.ToECDSA(common.Hex2Bytes("4b50fa71f5c3eeb8fdc452224b2395af2fcc3d125e06c32c82e048c0559db03f"))
testGenesis = `{"` + testAddress[2:] + `": {"balance": "` + testBalance + `"}}`
)
@@ -141,8 +140,10 @@ func testREPL(t *testing.T, config func(*eth.Config)) (string, *testjethre, *nod
stack.Service(ðereum)
assetPath := filepath.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
- //client := comms.NewInProcClient(codec.JSON)
- client := utils.NewInProcRPCClient(stack)
+ client, err := stack.Attach()
+ if err != nil {
+ t.Fatalf("failed to attach to node: %v", err)
+ }
tf := &testjethre{client: ethereum.HTTPClient()}
repl := newJSRE(stack, assetPath, "", client, false)
tf.jsre = repl
@@ -152,9 +153,6 @@ func testREPL(t *testing.T, config func(*eth.Config)) (string, *testjethre, *nod
func TestNodeInfo(t *testing.T) {
t.Skip("broken after p2p update")
tmp, repl, ethereum := testJEthRE(t)
- if err := ethereum.Start(); err != nil {
- t.Fatalf("error starting ethereum: %v", err)
- }
defer ethereum.Stop()
defer os.RemoveAll(tmp)
@@ -167,8 +165,8 @@ func TestAccounts(t *testing.T) {
defer node.Stop()
defer os.RemoveAll(tmp)
- checkEvalJSON(t, repl, `eth.accounts`, `["` + testAddress + `"]`)
- checkEvalJSON(t, repl, `eth.coinbase`, `"` + testAddress + `"`)
+ checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`"]`)
+ checkEvalJSON(t, repl, `eth.coinbase`, `"`+testAddress+`"`)
val, err := repl.re.Run(`jeth.newAccount("password")`)
if err != nil {
t.Errorf("expected no error, got %v", err)
@@ -178,7 +176,7 @@ func TestAccounts(t *testing.T) {
t.Errorf("address not hex: %q", addr)
}
- checkEvalJSON(t, repl, `eth.accounts`, `["` + testAddress + `","` + addr + `"]`)
+ checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`","`+addr+`"]`)
}
@@ -206,13 +204,13 @@ func TestBlockChain(t *testing.T) {
node.Service(ðereum)
ethereum.BlockChain().Reset()
- checkEvalJSON(t, repl, `admin.exportChain(` + tmpfileq + `)`, `true`)
+ checkEvalJSON(t, repl, `admin.exportChain(`+tmpfileq+`)`, `true`)
if _, err := os.Stat(tmpfile); err != nil {
t.Fatal(err)
}
// check import, verify that dumpBlock gives the same result.
- checkEvalJSON(t, repl, `admin.importChain(` + tmpfileq + `)`, `true`)
+ checkEvalJSON(t, repl, `admin.importChain(`+tmpfileq+`)`, `true`)
checkEvalJSON(t, repl, `debug.dumpBlock(eth.blockNumber)`, beforeExport)
}
@@ -240,7 +238,7 @@ func TestCheckTestAccountBalance(t *testing.T) {
defer os.RemoveAll(tmp)
repl.re.Run(`primary = "` + testAddress + `"`)
- checkEvalJSON(t, repl, `eth.getBalance(primary)`, `"` + testBalance + `"`)
+ checkEvalJSON(t, repl, `eth.getBalance(primary)`, `"`+testBalance+`"`)
}
func TestSignature(t *testing.T) {
@@ -301,11 +299,11 @@ func TestContract(t *testing.T) {
*/
source := `contract test {\n` +
- " /// @notice Will multiply `a` by 7." + `\n` +
- ` function multiply(uint a) returns(uint d) {\n` +
- ` return a * 7;\n` +
- ` }\n` +
- `}\n`
+ " /// @notice Will multiply `a` by 7." + `\n` +
+ ` function multiply(uint a) returns(uint d) {\n` +
+ ` return a * 7;\n` +
+ ` }\n` +
+ `}\n`
if checkEvalJSON(t, repl, `admin.stopNatSpec()`, `true`) != nil {
return
@@ -315,10 +313,10 @@ func TestContract(t *testing.T) {
if err != nil {
t.Fatalf("%v", err)
}
- if checkEvalJSON(t, repl, `primary = eth.accounts[0]`, `"` + testAddress + `"`) != nil {
+ if checkEvalJSON(t, repl, `primary = eth.accounts[0]`, `"`+testAddress+`"`) != nil {
return
}
- if checkEvalJSON(t, repl, `source = "` + source + `"`, `"` + source + `"`) != nil {
+ if checkEvalJSON(t, repl, `source = "`+source+`"`, `"`+source+`"`) != nil {
return
}
@@ -396,7 +394,7 @@ multiply7 = Multiply7.at(contractaddress);
var contentHash = `"0x86d2b7cf1e72e9a7a3f8d96601f0151742a2f780f1526414304fbe413dc7f9bd"`
if sol != nil && solcVersion != sol.Version() {
- modContractInfo := versionRE.ReplaceAll(contractInfo, []byte(`"compilerVersion":"` + sol.Version() + `"`))
+ modContractInfo := versionRE.ReplaceAll(contractInfo, []byte(`"compilerVersion":"`+sol.Version()+`"`))
fmt.Printf("modified contractinfo:\n%s\n", modContractInfo)
contentHash = `"` + common.ToHex(crypto.Sha3([]byte(modContractInfo))) + `"`
}
@@ -481,7 +479,7 @@ func processTxs(repl *testjethre, t *testing.T, expTxc int) bool {
repl.wait <- height
select {
case <-timer.C:
- // if times out make sure the xeth loop does not block
+ // if times out make sure the xeth loop does not block
go func() {
select {
case repl.wait <- nil:
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index fa456a7ac5..8594d18c5f 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -399,7 +399,7 @@ func attach(ctx *cli.Context) {
// attach to a running geth instance
client, err := utils.NewRemoteRPCClient(ctx)
if err != nil {
- utils.Fatalf("Unable to attach to geth - %v", err)
+ utils.Fatalf("Unable to attach to geth: %v", err)
}
repl := newLightweightJSRE(
@@ -425,8 +425,10 @@ func console(ctx *cli.Context) {
startNode(ctx, node)
// Attach to the newly started node, and either execute script or become interactive
- client := utils.NewInProcRPCClient(node)
-
+ client, err := node.Attach()
+ if err != nil {
+ utils.Fatalf("Failed to attach to the inproc geth: %v", err)
+ }
repl := newJSRE(node,
ctx.GlobalString(utils.JSpathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
@@ -449,8 +451,10 @@ func execScripts(ctx *cli.Context) {
startNode(ctx, node)
// Attach to the newly started node and execute the given scripts
- client := utils.NewInProcRPCClient(node)
-
+ client, err := node.Attach()
+ if err != nil {
+ utils.Fatalf("Failed to attach to the inproc geth: %v", err)
+ }
repl := newJSRE(node,
ctx.GlobalString(utils.JSpathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
@@ -503,16 +507,6 @@ func startNode(ctx *cli.Context, stack *node.Node) {
}
}
// Start auxiliary services if enabled
- if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
- if err := utils.StartRPC(stack, ctx); err != nil {
- utils.Fatalf("Failed to start RPC: %v", err)
- }
- }
- if ctx.GlobalBool(utils.WSEnabledFlag.Name) {
- if err := utils.StartWS(stack, ctx); err != nil {
- utils.Fatalf("Failed to start WS: %v", err)
- }
- }
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
if err := ethereum.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name), ctx.GlobalString(utils.MiningGPUFlag.Name)); err != nil {
utils.Fatalf("Failed to start mining: %v", err)
diff --git a/cmd/geth/monitorcmd.go b/cmd/geth/monitorcmd.go
index 4d56f22893..ce3a20e8a3 100644
--- a/cmd/geth/monitorcmd.go
+++ b/cmd/geth/monitorcmd.go
@@ -36,7 +36,7 @@ import (
var (
monitorCommandAttachFlag = cli.StringFlag{
Name: "attach",
- Value: "ipc:" + node.DefaultIpcEndpoint(),
+ Value: "ipc:" + node.DefaultIPCEndpoint(),
Usage: "API endpoint to attach to",
}
monitorCommandRowsFlag = cli.IntFlag{
diff --git a/cmd/gethrpctest/main.go b/cmd/gethrpctest/main.go
index becd09f5ab..38016fb35c 100644
--- a/cmd/gethrpctest/main.go
+++ b/cmd/gethrpctest/main.go
@@ -18,7 +18,6 @@
package main
import (
- "errors"
"flag"
"io/ioutil"
"log"
@@ -26,10 +25,10 @@ import (
"os/signal"
"github.com/ethereum/go-ethereum/accounts"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/tests"
@@ -84,12 +83,6 @@ func main() {
}
log.Println("Initial test suite passed...")
- // Start the RPC interface and wait until terminated
- if err := StartRPC(stack); err != nil {
- log.Fatalf("Failed to start RPC interface: %v", err)
- }
- log.Println("RPC Interface started, accepting requests...")
-
quit := make(chan os.Signal, 1)
signal.Notify(quit, os.Interrupt)
<-quit
@@ -99,7 +92,16 @@ func main() {
// keystore path and initial pre-state.
func MakeSystemNode(keydir string, privkey string, test *tests.BlockTest) (*node.Node, error) {
// Create a networkless protocol stack
- stack, err := node.New(&node.Config{IpcPath: node.DefaultIpcEndpoint(), NoDiscovery: true})
+ stack, err := node.New(&node.Config{
+ IPCPath: node.DefaultIPCEndpoint(),
+ HTTPHost: common.DefaultHTTPHost,
+ HTTPPort: common.DefaultHTTPPort,
+ HTTPModules: []string{"admin", "db", "eth", "debug", "miner", "net", "shh", "txpool", "personal", "web3"},
+ WSHost: common.DefaultWSHost,
+ WSPort: common.DefaultWSPort,
+ WSModules: []string{"admin", "db", "eth", "debug", "miner", "net", "shh", "txpool", "personal", "web3"},
+ NoDiscovery: true,
+ })
if err != nil {
return nil, err
}
@@ -164,23 +166,3 @@ func RunTest(stack *node.Node, test *tests.BlockTest) error {
}
return nil
}
-
-// StartRPC initializes an RPC interface to the given protocol stack.
-func StartRPC(stack *node.Node) error {
- /*
- web3 := NewPublicWeb3API(stack)
- server.RegisterName("web3", web3)
- net := NewPublicNetAPI(stack.Server(), ethereum.NetVersion())
- server.RegisterName("net", net)
- */
-
- for _, api := range stack.APIs() {
- if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok {
- _, err := adminApi.StartRPC("127.0.0.1", 8545, "", "admin,db,eth,debug,miner,net,shh,txpool,personal,web3")
- return err
- }
- }
-
- glog.V(logger.Error).Infof("Unable to start RPC-HTTP interface, could not find admin API")
- return errors.New("Unable to start RPC-HTTP interface")
-}
diff --git a/cmd/utils/client.go b/cmd/utils/client.go
index 40ebcd7294..3913d007b9 100644
--- a/cmd/utils/client.go
+++ b/cmd/utils/client.go
@@ -17,132 +17,14 @@
package utils
import (
- "encoding/json"
"fmt"
-
"strings"
"github.com/codegangsta/cli"
- "github.com/ethereum/go-ethereum/eth"
- "github.com/ethereum/go-ethereum/logger"
- "github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
)
-// NewInProcRPCClient will start a new RPC server for the given node and returns a client to interact with it.
-func NewInProcRPCClient(stack *node.Node) *inProcClient {
- server := rpc.NewServer()
-
- offered := stack.APIs()
- for _, api := range offered {
- server.RegisterName(api.Namespace, api.Service)
- }
-
- web3 := node.NewPublicWeb3API(stack)
- server.RegisterName("web3", web3)
-
- var ethereum *eth.Ethereum
- if err := stack.Service(ðereum); err == nil {
- net := eth.NewPublicNetAPI(stack.Server(), ethereum.NetVersion())
- server.RegisterName("net", net)
- } else {
- glog.V(logger.Warn).Infof("%v\n", err)
- }
-
- buf := &buf{
- requests: make(chan []byte),
- responses: make(chan []byte),
- }
- client := &inProcClient{
- server: server,
- buf: buf,
- }
-
- go func() {
- server.ServeCodec(rpc.NewJSONCodec(client.buf))
- }()
-
- return client
-}
-
-// buf represents the connection between the RPC server and console
-type buf struct {
- readBuf []byte // store remaining request bytes after a partial read
- requests chan []byte // list with raw serialized requests
- responses chan []byte // list with raw serialized responses
-}
-
-// will read the next request in json format
-func (b *buf) Read(p []byte) (int, error) {
- // last read didn't read entire request, return remaining bytes
- if len(b.readBuf) > 0 {
- n := copy(p, b.readBuf)
- if n < len(b.readBuf) {
- b.readBuf = b.readBuf[:n]
- } else {
- b.readBuf = b.readBuf[:0]
- }
- return n, nil
- }
-
- // read next request
- req := <-b.requests
- n := copy(p, req)
- if n < len(req) {
- // buf too small, store remaining chunk for next read
- b.readBuf = req[n:]
- }
-
- return n, nil
-}
-
-// Write send the given buffer to the backend
-func (b *buf) Write(p []byte) (n int, err error) {
- b.responses <- p
- return len(p), nil
-}
-
-// Close cleans up obtained resources.
-func (b *buf) Close() error {
- close(b.requests)
- close(b.responses)
-
- return nil
-}
-
-// inProcClient starts a RPC server and uses buf to communicate with it.
-type inProcClient struct {
- server *rpc.Server
- buf *buf
-}
-
-// Close will stop the RPC server
-func (c *inProcClient) Close() {
- c.server.Stop()
-}
-
-// Send a msg to the endpoint
-func (c *inProcClient) Send(msg interface{}) error {
- d, err := json.Marshal(msg)
- if err != nil {
- return err
- }
- c.buf.requests <- d
- return nil
-}
-
-// Recv reads a message and tries to parse it into the given msg
-func (c *inProcClient) Recv(msg interface{}) error {
- data := <-c.buf.responses
- return json.Unmarshal(data, &msg)
-}
-
-// Returns the collection of modules the RPC server offers.
-func (c *inProcClient) SupportedModules() (map[string]string, error) {
- return rpc.SupportedModules(c)
-}
-
// NewRemoteRPCClient returns a RPC client which connects to a running geth instance.
// Depending on the given context this can either be a IPC or a HTTP client.
func NewRemoteRPCClient(ctx *cli.Context) (rpc.Client, error) {
@@ -151,7 +33,7 @@ func NewRemoteRPCClient(ctx *cli.Context) (rpc.Client, error) {
return NewRemoteRPCClientFromString(endpoint)
}
// use IPC by default
- return rpc.NewIPCClient(node.DefaultIpcEndpoint())
+ return rpc.NewIPCClient(node.DefaultIPCEndpoint())
}
// NewRemoteRPCClientFromString returns a RPC client which connects to the given
@@ -169,6 +51,5 @@ func NewRemoteRPCClientFromString(endpoint string) (rpc.Client, error) {
if strings.HasPrefix(endpoint, "ws:") {
return rpc.NewWSClient(endpoint)
}
-
return nil, fmt.Errorf("invalid endpoint")
}
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index ca9fd74ba6..8e89b9fb13 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -18,7 +18,6 @@ package utils
import (
"crypto/ecdsa"
- "errors"
"fmt"
"io/ioutil"
"math"
@@ -233,12 +232,12 @@ var (
RPCListenAddrFlag = cli.StringFlag{
Name: "rpcaddr",
Usage: "HTTP-RPC server listening interface",
- Value: "127.0.0.1",
+ Value: common.DefaultHTTPHost,
}
RPCPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "HTTP-RPC server listening port",
- Value: 8545,
+ Value: common.DefaultHTTPPort,
}
RPCCORSDomainFlag = cli.StringFlag{
Name: "rpccorsdomain",
@@ -248,7 +247,7 @@ var (
RPCApiFlag = cli.StringFlag{
Name: "rpcapi",
Usage: "API's offered over the HTTP-RPC interface",
- Value: rpc.DefaultHttpRpcApis,
+ Value: rpc.DefaultHTTPApis,
}
IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
@@ -257,12 +256,12 @@ var (
IPCApiFlag = cli.StringFlag{
Name: "ipcapi",
Usage: "API's offered over the IPC-RPC interface",
- Value: rpc.DefaultIpcApis,
+ Value: rpc.DefaultIPCApis,
}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
- Value: DirectoryString{common.DefaultIpcSocket()},
+ Value: DirectoryString{common.DefaultIPCSocket},
}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
@@ -271,21 +270,21 @@ var (
WSListenAddrFlag = cli.StringFlag{
Name: "wsaddr",
Usage: "WS-RPC server listening interface",
- Value: "127.0.0.1",
+ Value: common.DefaultWSHost,
}
WSPortFlag = cli.IntFlag{
Name: "wsport",
Usage: "WS-RPC server listening port",
- Value: 8546,
+ Value: common.DefaultWSPort,
}
WSApiFlag = cli.StringFlag{
Name: "wsapi",
Usage: "API's offered over the WS-RPC interface",
- Value: rpc.DefaultHttpRpcApis,
+ Value: rpc.DefaultHTTPApis,
}
WSAllowedDomainsFlag = cli.StringFlag{
Name: "wsdomains",
- Usage: "Domains from which to accept websockets requests",
+ Usage: "Domains from which to accept websockets requests (can be spoofed)",
Value: "",
}
ExecFlag = cli.StringFlag{
@@ -394,9 +393,9 @@ func MustMakeDataDir(ctx *cli.Context) string {
return ""
}
-// MakeIpcPath creates an IPC path configuration from the set command line flags,
+// MakeIPCPath creates an IPC path configuration from the set command line flags,
// returning an empty string if IPC was explicitly disabled, or the set path.
-func MakeIpcPath(ctx *cli.Context) string {
+func MakeIPCPath(ctx *cli.Context) string {
if ctx.GlobalBool(IPCDisabledFlag.Name) {
return ""
}
@@ -482,6 +481,24 @@ func MakeNAT(ctx *cli.Context) nat.Interface {
return natif
}
+// MakeHTTPRpcHost creates the HTTP RPC listener interface string from the set
+// command line flags, returning empty if the HTTP endpoint is disabled.
+func MakeHTTPRpcHost(ctx *cli.Context) string {
+ if !ctx.GlobalBool(RPCEnabledFlag.Name) {
+ return ""
+ }
+ return ctx.GlobalString(RPCListenAddrFlag.Name)
+}
+
+// MakeWSRpcHost creates the WebSocket RPC listener interface string from the set
+// command line flags, returning empty if the HTTP endpoint is disabled.
+func MakeWSRpcHost(ctx *cli.Context) string {
+ if !ctx.GlobalBool(WSEnabledFlag.Name) {
+ return ""
+ }
+ return ctx.GlobalString(WSListenAddrFlag.Name)
+}
+
// MakeGenesisBlock loads up a genesis block from an input file specified in the
// command line, or returns the empty string if none set.
func MakeGenesisBlock(ctx *cli.Context) string {
@@ -591,7 +608,6 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.
// Configure the node's service container
stackConf := &node.Config{
DataDir: MustMakeDataDir(ctx),
- IpcPath: MakeIpcPath(ctx),
PrivateKey: MakeNodeKey(ctx),
Name: MakeNodeName(name, version, ctx),
NoDiscovery: ctx.GlobalBool(NoDiscoverFlag.Name),
@@ -600,6 +616,15 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.
NAT: MakeNAT(ctx),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
+ IPCPath: MakeIPCPath(ctx),
+ HTTPHost: MakeHTTPRpcHost(ctx),
+ HTTPPort: ctx.GlobalInt(RPCPortFlag.Name),
+ HTTPCors: ctx.GlobalString(RPCCORSDomainFlag.Name),
+ HTTPModules: strings.Split(ctx.GlobalString(RPCApiFlag.Name), ","),
+ WSHost: MakeWSRpcHost(ctx),
+ WSPort: ctx.GlobalInt(WSPortFlag.Name),
+ WSDomains: ctx.GlobalString(WSAllowedDomainsFlag.Name),
+ WSModules: strings.Split(ctx.GlobalString(WSApiFlag.Name), ","),
}
// Configure the Ethereum service
accman := MakeAccountManager(ctx)
@@ -740,48 +765,5 @@ func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}
-
return chain, chainDb
}
-
-// StartRPC starts a HTTP JSON-RPC API server.
-func StartRPC(stack *node.Node, ctx *cli.Context) error {
- for _, api := range stack.APIs() {
- if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok {
- address := ctx.GlobalString(RPCListenAddrFlag.Name)
- port := ctx.GlobalInt(RPCPortFlag.Name)
- cors := ctx.GlobalString(RPCCORSDomainFlag.Name)
- apiStr := ""
- if ctx.GlobalIsSet(RPCApiFlag.Name) {
- apiStr = ctx.GlobalString(RPCApiFlag.Name)
- }
-
- _, err := adminApi.StartRPC(address, port, cors, apiStr)
- return err
- }
- }
-
- glog.V(logger.Error).Infof("Unable to start RPC-HTTP interface, could not find admin API")
- return errors.New("Unable to start RPC-HTTP interface")
-}
-
-// StartWS starts a websocket JSON-RPC API server.
-func StartWS(stack *node.Node, ctx *cli.Context) error {
- for _, api := range stack.APIs() {
- if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok {
- address := ctx.GlobalString(WSListenAddrFlag.Name)
- port := ctx.GlobalInt(WSAllowedDomainsFlag.Name)
- allowedDomains := ctx.GlobalString(WSAllowedDomainsFlag.Name)
- apiStr := ""
- if ctx.GlobalIsSet(WSApiFlag.Name) {
- apiStr = ctx.GlobalString(WSApiFlag.Name)
- }
-
- _, err := adminApi.StartWS(address, port, allowedDomains, apiStr)
- return err
- }
- }
-
- glog.V(logger.Error).Infof("Unable to start RPC-WS interface, could not find admin API")
- return errors.New("Unable to start RPC-WS interface")
-}
diff --git a/common/defaults.go b/common/defaults.go
new file mode 100644
index 0000000000..8a136fa801
--- /dev/null
+++ b/common/defaults.go
@@ -0,0 +1,48 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package common
+
+import (
+ "path/filepath"
+ "runtime"
+)
+
+const (
+ DefaultIPCSocket = "geth.ipc" // Default (relative) name of the IPC RPC socket
+ DefaultHTTPHost = "localhost" // Default host interface for the HTTP RPC server
+ DefaultHTTPPort = 8545 // Default TCP port for the HTTP RPC server
+ DefaultWSHost = "localhost" // Default host interface for the websocket RPC server
+ DefaultWSPort = 8546 // Default TCP port for the websocket RPC server
+)
+
+// DefaultDataDir is the default data directory to use for the databases and other
+// persistence requirements.
+func DefaultDataDir() string {
+ // Try to place the data folder in the user's home dir
+ home := HomeDir()
+ if home != "" {
+ if runtime.GOOS == "darwin" {
+ return filepath.Join(home, "Library", "Ethereum")
+ } else if runtime.GOOS == "windows" {
+ return filepath.Join(home, "AppData", "Roaming", "Ethereum")
+ } else {
+ return filepath.Join(home, ".ethereum")
+ }
+ }
+ // As we cannot guess a stable location, return empty and handle later
+ return ""
+}
diff --git a/common/path.go b/common/path.go
index 38c213a122..75a8c1a3e0 100644
--- a/common/path.go
+++ b/common/path.go
@@ -72,25 +72,3 @@ func HomeDir() string {
}
return ""
}
-
-func DefaultDataDir() string {
- // Try to place the data folder in the user's home dir
- home := HomeDir()
- if home != "" {
- if runtime.GOOS == "darwin" {
- return filepath.Join(home, "Library", "Ethereum")
- } else if runtime.GOOS == "windows" {
- return filepath.Join(home, "AppData", "Roaming", "Ethereum")
- } else {
- return filepath.Join(home, ".ethereum")
- }
- }
- // As we cannot guess a stable location, return empty and handle later
- return ""
-}
-
-// DefaultIpcSocket returns the relative name of the default IPC socket. The path
-// resolution is done by a node with other contextual infos.
-func DefaultIpcSocket() string {
- return "geth.ipc"
-}
diff --git a/node/api.go b/node/api.go
index bc1795407a..48cbd01500 100644
--- a/node/api.go
+++ b/node/api.go
@@ -25,10 +25,7 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
- "github.com/ethereum/go-ethereum/rpc"
"github.com/rcrowley/go-metrics"
-
- "gopkg.in/fatih/set.v0"
)
// PrivateAdminAPI is the collection of administrative API methods exposed only
@@ -61,83 +58,55 @@ func (api *PrivateAdminAPI) AddPeer(url string) (bool, error) {
}
// StartRPC starts the HTTP RPC API server.
-func (api *PrivateAdminAPI) StartRPC(address string, port int, cors string, apis string) (bool, error) {
- var offeredAPIs []rpc.API
- if len(apis) > 0 {
- namespaces := set.New()
- for _, a := range strings.Split(apis, ",") {
- namespaces.Add(strings.TrimSpace(a))
- }
- for _, api := range api.node.APIs() {
- if namespaces.Has(api.Namespace) {
- offeredAPIs = append(offeredAPIs, api)
- }
- }
- } else { // use by default all public API's
- for _, api := range api.node.APIs() {
- if api.Public {
- offeredAPIs = append(offeredAPIs, api)
- }
- }
- }
+func (api *PrivateAdminAPI) StartRPC(host string, port int, cors string, apis string) (bool, error) {
+ api.node.lock.Lock()
+ defer api.node.lock.Unlock()
- if address == "" {
- address = "127.0.0.1"
+ if api.node.httpHandler != nil {
+ return false, fmt.Errorf("HTTP RPC already running on %s", api.node.httpEndpoint)
}
- if port == 0 {
- port = 8545
+ if err := api.node.startHTTP(fmt.Sprintf("%s:%d", host, port), api.node.rpcAPIs, strings.Split(apis, ","), cors); err != nil {
+ return false, err
}
-
- corsDomains := strings.Split(cors, " ")
- err := rpc.StartHTTP(address, port, corsDomains, offeredAPIs)
- return err == nil, err
+ return true, nil
}
// StopRPC terminates an already running HTTP RPC API endpoint.
func (api *PrivateAdminAPI) StopRPC() (bool, error) {
- err := rpc.StopHTTP()
- return err == nil, err
+ api.node.lock.Lock()
+ defer api.node.lock.Unlock()
+
+ if api.node.httpHandler == nil {
+ return false, fmt.Errorf("HTTP RPC not running")
+ }
+ api.node.stopHTTP()
+ return true, nil
}
// StartWS starts the websocket RPC API server.
-func (api *PrivateAdminAPI) StartWS(address string, port int, cors string, apis string) (bool, error) {
- var offeredAPIs []rpc.API
- if len(apis) > 0 {
- namespaces := set.New()
- for _, a := range strings.Split(apis, ",") {
- namespaces.Add(strings.TrimSpace(a))
- }
- for _, api := range api.node.APIs() {
- if namespaces.Has(api.Namespace) {
- offeredAPIs = append(offeredAPIs, api)
- }
- }
- } else {
- // use by default all public API's
- for _, api := range api.node.APIs() {
- if api.Public {
- offeredAPIs = append(offeredAPIs, api)
- }
- }
- }
+func (api *PrivateAdminAPI) StartWS(host string, port int, cors string, apis string) (bool, error) {
+ api.node.lock.Lock()
+ defer api.node.lock.Unlock()
- if address == "" {
- address = "127.0.0.1"
+ if api.node.wsHandler != nil {
+ return false, fmt.Errorf("WebSocket RPC already running on %s", api.node.wsEndpoint)
}
- if port == 0 {
- port = 8546
+ if err := api.node.startWS(fmt.Sprintf("%s:%d", host, port), api.node.rpcAPIs, strings.Split(apis, ","), cors); err != nil {
+ return false, err
}
-
- corsDomains := strings.Split(cors, " ")
-
- err := rpc.StartWS(address, port, corsDomains, offeredAPIs)
- return err == nil, err
+ return true, nil
}
// StopRPC terminates an already running websocket RPC API endpoint.
func (api *PrivateAdminAPI) StopWS() (bool, error) {
- err := rpc.StopWS()
- return err == nil, err
+ api.node.lock.Lock()
+ defer api.node.lock.Unlock()
+
+ if api.node.wsHandler == nil {
+ return false, fmt.Errorf("WebSocket RPC not running")
+ }
+ api.node.stopWS()
+ return true, nil
}
// PublicAdminAPI is the collection of administrative API methods exposed over
diff --git a/node/config.go b/node/config.go
index d3eb1c78bc..301ec636ee 100644
--- a/node/config.go
+++ b/node/config.go
@@ -19,6 +19,7 @@ package node
import (
"crypto/ecdsa"
"encoding/json"
+ "fmt"
"io/ioutil"
"net"
"os"
@@ -52,11 +53,11 @@ type Config struct {
// in memory.
DataDir string
- // IpcPath is the requested location to place the IPC endpoint. If the path is
+ // IPCPath is the requested location to place the IPC endpoint. If the path is
// a simple file name, it is placed inside the data directory (or on the root
// pipe path on Windows), whereas if it's a resolvable path name (absolute or
// relative), then that specific path is enforced. An empty path disables IPC.
- IpcPath string
+ IPCPath string
// This field should be a valid secp256k1 private key that will be used for both
// remote peer identification as well as network traffic encryption. If no key
@@ -97,37 +98,105 @@ type Config struct {
// handshake phase, counted separately for inbound and outbound connections.
// Zero defaults to preset values.
MaxPendingPeers int
+
+ // HTTPHost is the host interface on which to start the HTTP RPC server. If this
+ // field is empty, no HTTP API endpoint will be started.
+ HTTPHost string
+
+ // HTTPPort is the TCP port number on which to start the HTTP RPC server. The
+ // default zero value is/ valid and will pick a port number randomly (useful
+ // for ephemeral nodes).
+ HTTPPort int
+
+ // HTTPCors is the Cross-Origin Resource Sharing header to send to requesting
+ // clients. Please be aware that CORS is a browser enforced security, it's fully
+ // useless for custom HTTP clients.
+ HTTPCors string
+
+ // HTTPModules is a list of API modules to expose via the HTTP RPC interface.
+ // If the module list is empty, all RPC API endpoints designated public will be
+ // exposed.
+ HTTPModules []string
+
+ // WSHost is the host interface on which to start the websocket RPC server. If
+ // this field is empty, no websocket API endpoint will be started.
+ WSHost string
+
+ // WSPort is the TCP port number on which to start the websocket RPC server. The
+ // default zero value is/ valid and will pick a port number randomly (useful for
+ // ephemeral nodes).
+ WSPort int
+
+ // WSDomains is the list of domain to accept websocket requests from. Please be
+ // aware that the server can only act upon the HTTP request the client sends and
+ // cannot verify the validity of the request header.
+ WSDomains string
+
+ // WSModules is a list of API modules to expose via the websocket RPC interface.
+ // If the module list is empty, all RPC API endpoints designated public will be
+ // exposed.
+ WSModules []string
}
-// IpcEndpoint resolves an IPC endpoint based on a configured value, taking into
+// IPCEndpoint resolves an IPC endpoint based on a configured value, taking into
// account the set data folders as well as the designated platform we're currently
// running on.
-func (c *Config) IpcEndpoint() string {
+func (c *Config) IPCEndpoint() string {
// Short circuit if IPC has not been enabled
- if c.IpcPath == "" {
+ if c.IPCPath == "" {
return ""
}
// On windows we can only use plain top-level pipes
if runtime.GOOS == "windows" {
- if strings.HasPrefix(c.IpcPath, `\\.\pipe\`) {
- return c.IpcPath
+ if strings.HasPrefix(c.IPCPath, `\\.\pipe\`) {
+ return c.IPCPath
}
- return `\\.\pipe\` + c.IpcPath
+ return `\\.\pipe\` + c.IPCPath
}
// Resolve names into the data directory full paths otherwise
- if filepath.Base(c.IpcPath) == c.IpcPath {
+ if filepath.Base(c.IPCPath) == c.IPCPath {
if c.DataDir == "" {
- return filepath.Join(os.TempDir(), c.IpcPath)
+ return filepath.Join(os.TempDir(), c.IPCPath)
}
- return filepath.Join(c.DataDir, c.IpcPath)
+ return filepath.Join(c.DataDir, c.IPCPath)
+ }
+ return c.IPCPath
+}
+
+// DefaultIPCEndpoint returns the IPC path used by default.
+func DefaultIPCEndpoint() string {
+ config := &Config{DataDir: common.DefaultDataDir(), IPCPath: common.DefaultIPCSocket}
+ return config.IPCEndpoint()
+}
+
+// HTTPEndpoint resolves an HTTP endpoint based on the configured host interface
+// and port parameters.
+func (c *Config) HTTPEndpoint() string {
+ if c.HTTPHost == "" {
+ return ""
+ }
+ return fmt.Sprintf("%s:%d", c.HTTPHost, c.HTTPPort)
+}
+
+// DefaultHTTPEndpoint returns the HTTP endpoint used by default.
+func DefaultHTTPEndpoint() string {
+ config := &Config{HTTPHost: common.DefaultHTTPHost, HTTPPort: common.DefaultHTTPPort}
+ return config.HTTPEndpoint()
+}
+
+// WSEndpoint resolves an websocket endpoint based on the configured host interface
+// and port parameters.
+func (c *Config) WSEndpoint() string {
+ if c.WSHost == "" {
+ return ""
}
- return c.IpcPath
+ return fmt.Sprintf("%s:%d", c.WSHost, c.WSPort)
}
-// DefaultIpcEndpoint returns the IPC path used by default.
-func DefaultIpcEndpoint() string {
- config := &Config{DataDir: common.DefaultDataDir(), IpcPath: common.DefaultIpcSocket()}
- return config.IpcEndpoint()
+// DefaultWSEndpoint returns the websocket endpoint used by default.
+func DefaultWSEndpoint() string {
+ config := &Config{WSHost: common.DefaultWSHost, WSPort: common.DefaultWSPort}
+ return config.WSEndpoint()
}
// NodeKey retrieves the currently configured private key of the node, checking
diff --git a/node/config_test.go b/node/config_test.go
index efb864ce42..45a54d184a 100644
--- a/node/config_test.go
+++ b/node/config_test.go
@@ -63,10 +63,10 @@ func TestDatadirCreation(t *testing.T) {
// Tests that IPC paths are correctly resolved to valid endpoints of different
// platforms.
-func TestIpcPathResolution(t *testing.T) {
+func TestIPCPathResolution(t *testing.T) {
var tests = []struct {
DataDir string
- IpcPath string
+ IPCPath string
Windows bool
Endpoint string
}{
@@ -85,7 +85,7 @@ func TestIpcPathResolution(t *testing.T) {
for i, test := range tests {
// Only run when platform/test match
if (runtime.GOOS == "windows") == test.Windows {
- if endpoint := (&Config{DataDir: test.DataDir, IpcPath: test.IpcPath}).IpcEndpoint(); endpoint != test.Endpoint {
+ if endpoint := (&Config{DataDir: test.DataDir, IPCPath: test.IPCPath}).IPCEndpoint(); endpoint != test.Endpoint {
t.Errorf("test %d: IPC endpoint mismatch: have %s, want %s", i, endpoint, test.Endpoint)
}
}
diff --git a/node/node.go b/node/node.go
index e3fc03360f..7d3a10874c 100644
--- a/node/node.go
+++ b/node/node.go
@@ -55,10 +55,25 @@ type Node struct {
serviceFuncs []ServiceConstructor // Service constructors (in dependency order)
services map[reflect.Type]Service // Currently running services
+ rpcAPIs []rpc.API // List of APIs currently provided by the node
+ inprocHandler *rpc.Server // In-process RPC request handler to process the API requests
+
ipcEndpoint string // IPC endpoint to listen at (empty = IPC disabled)
ipcListener net.Listener // IPC RPC listener socket to serve API requests
ipcHandler *rpc.Server // IPC RPC request handler to process the API requests
+ httpEndpoint string // HTTP endpoint (interface + port) to listen at (empty = HTTP disabled)
+ httpWhitelist []string // HTTP RPC modules to allow through this endpoint
+ httpCors string // HTTP RPC Cross-Origin Resource Sharing header
+ httpListener net.Listener // HTTP RPC listener socket to server API requests
+ httpHandler *rpc.Server // HTTP RPC request handler to process the API requests
+
+ wsEndpoint string // Websocket endpoint (interface + port) to listen at (empty = websocket disabled)
+ wsWhitelist []string // Websocket RPC modules to allow through this endpoint
+ wsDomains string // Websocket RPC allowed origin domains
+ wsListener net.Listener // Websocket RPC listener socket to server API requests
+ wsHandler *rpc.Server // Websocket RPC request handler to process the API requests
+
stop chan struct{} // Channel to wait for termination notifications
lock sync.RWMutex
}
@@ -93,9 +108,15 @@ func New(conf *Config) (*Node, error) {
MaxPeers: conf.MaxPeers,
MaxPendingPeers: conf.MaxPendingPeers,
},
- serviceFuncs: []ServiceConstructor{},
- ipcEndpoint: conf.IpcEndpoint(),
- eventmux: new(event.TypeMux),
+ serviceFuncs: []ServiceConstructor{},
+ ipcEndpoint: conf.IPCEndpoint(),
+ httpEndpoint: conf.HTTPEndpoint(),
+ httpWhitelist: conf.HTTPModules,
+ httpCors: conf.HTTPCors,
+ wsEndpoint: conf.WSEndpoint(),
+ wsWhitelist: conf.WSModules,
+ wsDomains: conf.WSDomains,
+ eventmux: new(event.TypeMux),
}, nil
}
@@ -188,58 +209,234 @@ func (n *Node) Start() error {
return nil
}
-// startRPC initializes and starts the IPC RPC endpoints.
+// startRPC is a helper method to start all the various RPC endpoint during node
+// startup. It's not meant to be called at any time afterwards as it makes certain
+// assumptions about the state of the node.
func (n *Node) startRPC(services map[reflect.Type]Service) error {
- // Gather and register all the APIs exposed by the services
+ // Gather all the possible APIs to surface
apis := n.apis()
for _, service := range services {
apis = append(apis, service.APIs()...)
}
- ipcHandler := rpc.NewServer()
+ // Start the various API endpoints, terminating all in case of errors
+ if err := n.startInProc(apis); err != nil {
+ return err
+ }
+ if err := n.startIPC(apis); err != nil {
+ n.stopInProc()
+ return err
+ }
+ if err := n.startHTTP(n.httpEndpoint, apis, n.httpWhitelist, n.httpCors); err != nil {
+ n.stopIPC()
+ n.stopInProc()
+ return err
+ }
+ if err := n.startWS(n.wsEndpoint, apis, n.wsWhitelist, n.wsDomains); err != nil {
+ n.stopHTTP()
+ n.stopIPC()
+ n.stopInProc()
+ return err
+ }
+ // All API endpoints started successfully
+ n.rpcAPIs = apis
+ return nil
+}
+
+// startInProc initializes an in-process RPC endpoint.
+func (n *Node) startInProc(apis []rpc.API) error {
+ // Register all the APIs exposed by the services
+ handler := rpc.NewServer()
+ for _, api := range apis {
+ if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
+ return err
+ }
+ glog.V(logger.Debug).Infof("InProc registered %T under '%s'", api.Service, api.Namespace)
+ }
+ n.inprocHandler = handler
+ return nil
+}
+
+// stopInProc terminates the in-process RPC endpoint.
+func (n *Node) stopInProc() {
+ if n.inprocHandler != nil {
+ n.inprocHandler.Stop()
+ n.inprocHandler = nil
+ }
+}
+
+// startIPC initializes and starts the IPC RPC endpoint.
+func (n *Node) startIPC(apis []rpc.API) error {
+ // Short circuit if the IPC endpoint isn't being exposed
+ if n.ipcEndpoint == "" {
+ return nil
+ }
+ // Register all the APIs exposed by the services
+ handler := rpc.NewServer()
for _, api := range apis {
- if err := ipcHandler.RegisterName(api.Namespace, api.Service); err != nil {
+ if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
return err
}
- glog.V(logger.Debug).Infof("Register %T under namespace '%s'", api.Service, api.Namespace)
+ glog.V(logger.Debug).Infof("IPC registered %T under '%s'", api.Service, api.Namespace)
}
- // All APIs registered, start the IPC and HTTP listeners
+ // All APIs registered, start the IPC listener
var (
- ipcListener net.Listener
- err error
+ listener net.Listener
+ err error
)
- if n.ipcEndpoint != "" {
- if ipcListener, err = rpc.CreateIPCListener(n.ipcEndpoint); err != nil {
- return err
- }
- go func() {
- glog.V(logger.Info).Infof("IPC endpoint opened: %s", n.ipcEndpoint)
- defer glog.V(logger.Info).Infof("IPC endpoint closed: %s", n.ipcEndpoint)
-
- for {
- conn, err := ipcListener.Accept()
- if err != nil {
- // Terminate if the listener was closed
- n.lock.RLock()
- closed := n.ipcListener == nil
- n.lock.RUnlock()
- if closed {
- return
- }
- // Not closed, just some error; report and continue
- glog.V(logger.Error).Infof("IPC accept failed: %v", err)
- continue
+ if listener, err = rpc.CreateIPCListener(n.ipcEndpoint); err != nil {
+ return err
+ }
+ go func() {
+ glog.V(logger.Info).Infof("IPC endpoint opened: %s", n.ipcEndpoint)
+
+ for {
+ conn, err := listener.Accept()
+ if err != nil {
+ // Terminate if the listener was closed
+ n.lock.RLock()
+ closed := n.ipcListener == nil
+ n.lock.RUnlock()
+ if closed {
+ return
}
- go ipcHandler.ServeCodec(rpc.NewJSONCodec(conn))
+ // Not closed, just some error; report and continue
+ glog.V(logger.Error).Infof("IPC accept failed: %v", err)
+ continue
+ }
+ go handler.ServeCodec(rpc.NewJSONCodec(conn))
+ }
+ }()
+ // All listeners booted successfully
+ n.ipcListener = listener
+ n.ipcHandler = handler
+
+ return nil
+}
+
+// stopIPC terminates the IPC RPC endpoint.
+func (n *Node) stopIPC() {
+ if n.ipcListener != nil {
+ n.ipcListener.Close()
+ n.ipcListener = nil
+
+ glog.V(logger.Info).Infof("IPC endpoint closed: %s", n.ipcEndpoint)
+ }
+ if n.ipcHandler != nil {
+ n.ipcHandler.Stop()
+ n.ipcHandler = nil
+ }
+}
+
+// startHTTP initializes and starts the HTTP RPC endpoint.
+func (n *Node) startHTTP(endpoint string, apis []rpc.API, modules []string, cors string) error {
+ // Short circuit if the HTTP endpoint isn't being exposed
+ if endpoint == "" {
+ return nil
+ }
+ // Generate the whitelist based on the allowed modules
+ whitelist := make(map[string]bool)
+ for _, module := range modules {
+ whitelist[module] = true
+ }
+ // Register all the APIs exposed by the services
+ handler := rpc.NewServer()
+ for _, api := range apis {
+ if whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
+ if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
+ return err
+ }
+ glog.V(logger.Debug).Infof("HTTP registered %T under '%s'", api.Service, api.Namespace)
+ }
+ }
+ // All APIs registered, start the HTTP listener
+ var (
+ listener net.Listener
+ err error
+ )
+ if listener, err = net.Listen("tcp", endpoint); err != nil {
+ return err
+ }
+ go rpc.NewHTTPServer(cors, handler).Serve(listener)
+ glog.V(logger.Info).Infof("HTTP endpoint opened: http://%s", endpoint)
+
+ // All listeners booted successfully
+ n.httpEndpoint = endpoint
+ n.httpListener = listener
+ n.httpHandler = handler
+ n.httpCors = cors
+
+ return nil
+}
+
+// stopHTTP terminates the HTTP RPC endpoint.
+func (n *Node) stopHTTP() {
+ if n.httpListener != nil {
+ n.httpListener.Close()
+ n.httpListener = nil
+
+ glog.V(logger.Info).Infof("HTTP endpoint closed: http://%s", n.httpEndpoint)
+ }
+ if n.httpHandler != nil {
+ n.httpHandler.Stop()
+ n.httpHandler = nil
+ }
+}
+
+// startWS initializes and starts the websocket RPC endpoint.
+func (n *Node) startWS(endpoint string, apis []rpc.API, modules []string, cors string) error {
+ // Short circuit if the WS endpoint isn't being exposed
+ if endpoint == "" {
+ return nil
+ }
+ // Generate the whitelist based on the allowed modules
+ whitelist := make(map[string]bool)
+ for _, module := range modules {
+ whitelist[module] = true
+ }
+ // Register all the APIs exposed by the services
+ handler := rpc.NewServer()
+ for _, api := range apis {
+ if whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
+ if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
+ return err
}
- }()
+ glog.V(logger.Debug).Infof("WebSocket registered %T under '%s'", api.Service, api.Namespace)
+ }
+ }
+ // All APIs registered, start the HTTP listener
+ var (
+ listener net.Listener
+ err error
+ )
+ if listener, err = net.Listen("tcp", endpoint); err != nil {
+ return err
}
+ go rpc.NewWSServer(cors, handler).Serve(listener)
+ glog.V(logger.Info).Infof("WebSocket endpoint opened: ws://%s", endpoint)
+
// All listeners booted successfully
- n.ipcListener = ipcListener
- n.ipcHandler = ipcHandler
+ n.wsEndpoint = endpoint
+ n.wsListener = listener
+ n.wsHandler = handler
+ n.wsDomains = cors
return nil
}
+// stopWS terminates the websocket RPC endpoint.
+func (n *Node) stopWS() {
+ if n.wsListener != nil {
+ n.wsListener.Close()
+ n.wsListener = nil
+
+ glog.V(logger.Info).Infof("WebSocket endpoint closed: ws://%s", n.wsEndpoint)
+ }
+ if n.wsHandler != nil {
+ n.wsHandler.Stop()
+ n.wsHandler = nil
+ }
+}
+
// Stop terminates a running node along with all it's services. In the node was
// not started, an error is returned.
func (n *Node) Stop() error {
@@ -251,14 +448,11 @@ func (n *Node) Stop() error {
return ErrNodeStopped
}
// Otherwise terminate the API, all services and the P2P server too
- if n.ipcListener != nil {
- n.ipcListener.Close()
- n.ipcListener = nil
- }
- if n.ipcHandler != nil {
- n.ipcHandler.Stop()
- n.ipcHandler = nil
- }
+ n.stopWS()
+ n.stopHTTP()
+ n.stopIPC()
+ n.rpcAPIs = nil
+
failure := &StopError{
Services: make(map[reflect.Type]error),
}
@@ -304,6 +498,19 @@ func (n *Node) Restart() error {
return nil
}
+// Attach creates an RPC client attached to an in-process API handler.
+func (n *Node) Attach() (rpc.Client, error) {
+ n.lock.RLock()
+ defer n.lock.RUnlock()
+
+ // Short circuit if the node's not running
+ if n.server == nil {
+ return nil, ErrNodeStopped
+ }
+ // Otherwise attach to the API and return
+ return rpc.NewInProcRPCClient(n.inprocHandler), nil
+}
+
// Server retrieves the currently running P2P network layer. This method is meant
// only to inspect fields of the currently running server, life cycle management
// should be left to this Node entity.
@@ -337,11 +544,21 @@ func (n *Node) DataDir() string {
return n.datadir
}
-// IpcEndpoint retrieves the current IPC endpoint used by the protocol stack.
-func (n *Node) IpcEndpoint() string {
+// IPCEndpoint retrieves the current IPC endpoint used by the protocol stack.
+func (n *Node) IPCEndpoint() string {
return n.ipcEndpoint
}
+// HTTPEndpoint retrieves the current HTTP endpoint used by the protocol stack.
+func (n *Node) HTTPEndpoint() string {
+ return n.httpEndpoint
+}
+
+// WSEndpoint retrieves the current WS endpoint used by the protocol stack.
+func (n *Node) WSEndpoint() string {
+ return n.wsEndpoint
+}
+
// EventMux retrieves the event multiplexer used by all the network services in
// the current protocol stack.
func (n *Node) EventMux() *event.TypeMux {
@@ -377,14 +594,3 @@ func (n *Node) apis() []rpc.API {
},
}
}
-
-// APIs returns the collection of RPC descriptor this node offers. This method
-// is just a quick placeholder passthrough for the RPC update, which in the next
-// step will be fully integrated into the node itself.
-func (n *Node) APIs() []rpc.API {
- apis := n.apis()
- for _, api := range n.services {
- apis = append(apis, api.APIs()...)
- }
- return apis
-}
diff --git a/node/node_test.go b/node/node_test.go
index 53dcbcf74c..532115d3ca 100644
--- a/node/node_test.go
+++ b/node/node_test.go
@@ -18,9 +18,7 @@ package node
import (
"errors"
- "fmt"
"io/ioutil"
- "math/rand"
"os"
"reflect"
"testing"
@@ -37,7 +35,6 @@ var (
func testNodeConfig() *Config {
return &Config{
- IpcPath: fmt.Sprintf("test-%d.ipc", rand.Int63()),
PrivateKey: testNodeKey,
Name: "test node",
}
@@ -541,10 +538,11 @@ func TestAPIGather(t *testing.T) {
defer stack.Stop()
// Connect to the RPC server and verify the various registered endpoints
- ipcClient, err := rpc.NewIPCClient(stack.IpcEndpoint())
+ client, err := stack.Attach()
if err != nil {
- t.Fatalf("failed to connect to the IPC API server: %v", err)
+ t.Fatalf("failed to connect to the inproc API server: %v", err)
}
+ defer client.Close()
tests := []struct {
Method string
@@ -556,11 +554,11 @@ func TestAPIGather(t *testing.T) {
{"multi.v2.nested_theOneMethod", "multi.v2.nested"},
}
for i, test := range tests {
- if err := ipcClient.Send(rpc.JSONRequest{Id: new(int64), Version: "2.0", Method: test.Method}); err != nil {
+ if err := client.Send(rpc.JSONRequest{Id: new(int64), Version: "2.0", Method: test.Method}); err != nil {
t.Fatalf("test %d: failed to send API request: %v", i, err)
}
reply := new(rpc.JSONSuccessResponse)
- if err := ipcClient.Recv(reply); err != nil {
+ if err := client.Recv(reply); err != nil {
t.Fatalf("test %d: failed to read API reply: %v", i, err)
}
select {
diff --git a/rpc/http.go b/rpc/http.go
index c5eb41af14..d9053b0031 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -20,7 +20,6 @@ import (
"bufio"
"bytes"
"encoding/json"
- "errors"
"fmt"
"io"
"io/ioutil"
@@ -29,7 +28,6 @@ import (
"net/url"
"strconv"
"strings"
- "sync"
"time"
"github.com/ethereum/go-ethereum/logger"
@@ -41,12 +39,6 @@ const (
httpReadDeadLine = 60 * time.Second // wait max httpReadDeadeline for next request
)
-var (
- httpServerMu sync.Mutex // prevent concurrent access to the httpListener and httpServer
- httpListener net.Listener // listener for the http server
- httpRPCServer *Server // the node can only start 1 HTTP RPC server instance
-)
-
// httpMessageStream is the glue between a HTTP connection which is message based
// and the RPC codecs that expect json requests to be read from a stream. It will
// parse HTTP messages and offer the bodies of these requests as a stream through
@@ -249,53 +241,14 @@ func (h *httpConnHijacker) ServeHTTP(w http.ResponseWriter, req *http.Request) {
go h.rpcServer.ServeCodec(codec)
}
-// StartHTTP will start the JSONRPC HTTP RPC interface when its not yet running.
-func StartHTTP(address string, port int, corsdomains []string, apis []API) error {
- httpServerMu.Lock()
- defer httpServerMu.Unlock()
-
- if httpRPCServer != nil {
- return fmt.Errorf("HTTP RPC interface already started on %s", httpListener.Addr())
- }
-
- rpcServer := NewServer()
-
- for _, api := range apis {
- if err := rpcServer.RegisterName(api.Namespace, api.Service); err != nil {
- return err
- }
- }
-
- listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", address, port))
- if err != nil {
- return err
+// NewHTTPServer creates a new HTTP RPC server around an API provider.
+func NewHTTPServer(cors string, handler *Server) *http.Server {
+ return &http.Server{
+ Handler: &httpConnHijacker{
+ corsdomains: strings.Split(cors, ","),
+ rpcServer: handler,
+ },
}
-
- httpServer := http.Server{Handler: &httpConnHijacker{corsdomains, rpcServer}}
- go httpServer.Serve(listener)
-
- httpListener = listener
- httpRPCServer = rpcServer
-
- return nil
-}
-
-// StopHTTP will stop the running HTTP interface. If it is not running an error will be returned.
-func StopHTTP() error {
- httpServerMu.Lock()
- defer httpServerMu.Unlock()
-
- if httpRPCServer == nil {
- return errors.New("HTTP RPC interface not started")
- }
-
- httpListener.Close()
- httpRPCServer.Stop()
-
- httpRPCServer = nil
- httpListener = nil
-
- return nil
}
// httpClient connects to a geth RPC server over HTTP.
@@ -306,7 +259,7 @@ type httpClient struct {
// NewHTTPClient create a new RPC clients that connection to a geth RPC server
// over HTTP.
-func NewHTTPClient(endpoint string) (*httpClient, error) {
+func NewHTTPClient(endpoint string) (Client, error) {
url, err := url.Parse(endpoint)
if err != nil {
return nil, err
diff --git a/rpc/inproc.go b/rpc/inproc.go
new file mode 100644
index 0000000000..e138ba2c36
--- /dev/null
+++ b/rpc/inproc.go
@@ -0,0 +1,111 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package rpc
+
+import "encoding/json"
+
+// NewInProcRPCClient creates an in-process buffer stream attachment to a given
+// RPC server.
+func NewInProcRPCClient(handler *Server) Client {
+ buffer := &inprocBuffer{
+ requests: make(chan []byte, 16),
+ responses: make(chan []byte, 16),
+ }
+ client := &inProcClient{
+ server: handler,
+ buffer: buffer,
+ }
+ go handler.ServeCodec(NewJSONCodec(client.buffer))
+ return client
+}
+
+// inProcClient is an in-process buffer stream attached to an RPC server.
+type inProcClient struct {
+ server *Server
+ buffer *inprocBuffer
+}
+
+// Close tears down the request channel of the in-proc client.
+func (c *inProcClient) Close() {
+ c.buffer.Close()
+}
+
+// Send marshals a message into a json format and injects in into the client
+// request channel.
+func (c *inProcClient) Send(msg interface{}) error {
+ d, err := json.Marshal(msg)
+ if err != nil {
+ return err
+ }
+ c.buffer.requests <- d
+ return nil
+}
+
+// Recv reads a message from the response channel and tries to parse it into the
+// given msg interface.
+func (c *inProcClient) Recv(msg interface{}) error {
+ data := <-c.buffer.responses
+ return json.Unmarshal(data, &msg)
+}
+
+// Returns the collection of modules the RPC server offers.
+func (c *inProcClient) SupportedModules() (map[string]string, error) {
+ return SupportedModules(c)
+}
+
+// inprocBuffer represents the connection between the RPC server and console
+type inprocBuffer struct {
+ readBuf []byte // store remaining request bytes after a partial read
+ requests chan []byte // list with raw serialized requests
+ responses chan []byte // list with raw serialized responses
+}
+
+// Read will read the next request in json format.
+func (b *inprocBuffer) Read(p []byte) (int, error) {
+ // last read didn't read entire request, return remaining bytes
+ if len(b.readBuf) > 0 {
+ n := copy(p, b.readBuf)
+ if n < len(b.readBuf) {
+ b.readBuf = b.readBuf[:n]
+ } else {
+ b.readBuf = b.readBuf[:0]
+ }
+ return n, nil
+ }
+ // read next request
+ req := <-b.requests
+ n := copy(p, req)
+ if n < len(req) {
+ // inprocBuffer too small, store remaining chunk for next read
+ b.readBuf = req[n:]
+ }
+ return n, nil
+}
+
+// Write sends the given buffer to the backend.
+func (b *inprocBuffer) Write(p []byte) (n int, err error) {
+ b.responses <- p
+ return len(p), nil
+}
+
+// Close cleans up obtained resources.
+func (b *inprocBuffer) Close() error {
+ close(b.requests)
+ close(b.responses)
+
+ return nil
+}
diff --git a/rpc/ipc.go b/rpc/ipc.go
index b87bfcbd7f..05d8909ca5 100644
--- a/rpc/ipc.go
+++ b/rpc/ipc.go
@@ -38,7 +38,7 @@ type ipcClient struct {
// NewIPCClient create a new IPC client that will connect on the given endpoint. Messages are JSON encoded and encoded.
// On Unix it assumes the endpoint is the full path to a unix socket, and Windows the endpoint is an identifier for a
// named pipe.
-func NewIPCClient(endpoint string) (*ipcClient, error) {
+func NewIPCClient(endpoint string) (Client, error) {
conn, err := newIPCConnection(endpoint)
if err != nil {
return nil, err
diff --git a/rpc/server.go b/rpc/server.go
index 5b88d843ae..f42ee2d37a 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -33,8 +33,8 @@ import (
const (
stopPendingRequestTimeout = 3 * time.Second // give pending requests stopPendingRequestTimeout the time to finish when the server is stopped
- DefaultIpcApis = "admin,eth,debug,miner,net,shh,txpool,personal,web3"
- DefaultHttpRpcApis = "eth,net,web3"
+ DefaultIPCApis = "admin,eth,debug,miner,net,shh,txpool,personal,web3"
+ DefaultHTTPApis = "eth,net,web3"
)
// NewServer will create a new server instance with no registered handlers.
diff --git a/rpc/utils.go b/rpc/utils.go
index 39acf81969..fa114284dd 100644
--- a/rpc/utils.go
+++ b/rpc/utils.go
@@ -20,13 +20,12 @@ import (
"crypto/rand"
"encoding/hex"
"errors"
+ "fmt"
"math/big"
"reflect"
"unicode"
"unicode/utf8"
- "fmt"
-
"golang.org/x/net/context"
)
diff --git a/rpc/websocket.go b/rpc/websocket.go
index b5bcbf4f66..92615494ea 100644
--- a/rpc/websocket.go
+++ b/rpc/websocket.go
@@ -17,13 +17,11 @@
package rpc
import (
- "errors"
"fmt"
- "net"
"net/http"
- "sync"
-
"os"
+ "strings"
+ "sync"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@@ -31,12 +29,6 @@ import (
"gopkg.in/fatih/set.v0"
)
-var (
- wsServerMu sync.Mutex
- wsRPCServer *Server
- wsListener net.Listener
-)
-
// wsReaderWriterCloser reads and write payloads from and to a websocket connection.
type wsReaderWriterCloser struct {
c *websocket.Conn
@@ -57,14 +49,6 @@ func (rw *wsReaderWriterCloser) Close() error {
return rw.c.Close()
}
-// wsHandler accepts a websocket connection and handles incoming RPC requests.
-// Will return when the websocket connection is closed, either by the client or
-// server.
-func wsHandler(conn *websocket.Conn) {
- rwc := &wsReaderWriterCloser{conn}
- wsRPCServer.ServeCodec(NewJSONCodec(rwc))
-}
-
// wsHandshakeValidator returns a handler that verifies the origin during the
// websocket upgrade process. When a '*' is specified as an allowed origins all
// connections are accepted.
@@ -103,54 +87,16 @@ func wsHandshakeValidator(allowedOrigins []string) func(*websocket.Config, *http
return f
}
-// StartWS will start a websocket RPC server on the given address and port.
-func StartWS(address string, port int, corsdomains []string, apis []API) error {
- wsServerMu.Lock()
- defer wsServerMu.Unlock()
-
- if wsRPCServer != nil {
- return fmt.Errorf("WS RPC interface already started on %s", wsListener.Addr())
- }
-
- rpcServer := NewServer()
- for _, api := range apis {
- if err := rpcServer.RegisterName(api.Namespace, api.Service); err != nil {
- return err
- }
+// NewWSServer creates a new websocket RPC server around an API provider.
+func NewWSServer(cors string, handler *Server) *http.Server {
+ return &http.Server{
+ Handler: websocket.Server{
+ Handshake: wsHandshakeValidator(strings.Split(cors, ",")),
+ Handler: func(conn *websocket.Conn) {
+ handler.ServeCodec(NewJSONCodec(&wsReaderWriterCloser{conn}))
+ },
+ },
}
-
- listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", address, port))
- if err != nil {
- return err
- }
-
- wsServer := websocket.Server{Handshake: wsHandshakeValidator(corsdomains), Handler: wsHandler}
- wsHTTPServer := http.Server{Handler: wsServer}
-
- go wsHTTPServer.Serve(listener)
-
- wsListener = listener
- wsRPCServer = rpcServer
-
- return nil
-}
-
-// StopWS stops the running websocket RPC server.
-func StopWS() error {
- wsServerMu.Lock()
- defer wsServerMu.Unlock()
-
- if wsRPCServer == nil {
- return errors.New("HTTP RPC interface not started")
- }
-
- wsListener.Close()
- wsRPCServer.Stop()
-
- wsRPCServer = nil
- wsListener = nil
-
- return nil
}
// wsClient represents a RPC client that communicates over websockets with a
@@ -163,7 +109,7 @@ type wsClient struct {
// NewWSClientj creates a new RPC client that communicates with a RPC server
// that is listening on the given endpoint using JSON encoding.
-func NewWSClient(endpoint string) (*wsClient, error) {
+func NewWSClient(endpoint string) (Client, error) {
return &wsClient{endpoint: endpoint}, nil
}