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-rw-r--r--node/api.go2
-rw-r--r--node/node.go55
-rw-r--r--node/node_test.go12
3 files changed, 60 insertions, 9 deletions
diff --git a/node/api.go b/node/api.go
index 879b33816..48cbd0150 100644
--- a/node/api.go
+++ b/node/api.go
@@ -89,7 +89,7 @@ func (api *PrivateAdminAPI) StartWS(host string, port int, cors string, apis str
defer api.node.lock.Unlock()
if api.node.wsHandler != nil {
- return false, fmt.Errorf("WebSocker RPC already running on %s", api.node.wsEndpoint)
+ return false, fmt.Errorf("WebSocket RPC already running on %s", api.node.wsEndpoint)
}
if err := api.node.startWS(fmt.Sprintf("%s:%d", host, port), api.node.rpcAPIs, strings.Split(apis, ","), cors); err != nil {
return false, err
diff --git a/node/node.go b/node/node.go
index 6d9290034..7d3a10874 100644
--- a/node/node.go
+++ b/node/node.go
@@ -55,7 +55,9 @@ 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
+ 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
@@ -217,16 +219,22 @@ func (n *Node) startRPC(services map[reflect.Type]Service) error {
apis = append(apis, service.APIs()...)
}
// 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
@@ -234,6 +242,28 @@ func (n *Node) startRPC(services map[reflect.Type]Service) error {
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
@@ -468,6 +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.
@@ -506,6 +549,16 @@ 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 {
diff --git a/node/node_test.go b/node/node_test.go
index 38bfe27e2..532115d3c 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 {