// 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
}
// Start boots up the Ethereum protocol, starts interacting with the P2P network
// and opens up the IPC based JSOn RPC API for accessing the exposed APIs.
func (g *Geth) Start() error {
// Assemble and start the protocol stack
err := g.stack.Start()
if err != nil {
return err
}
// Attach an IPC endpoint to the stack (this should really have been done by the stack..)
if runtime.GOOS == "windows" {
g.ipcEndpoint = common.DefaultIpcPath()
} else {
g.ipcEndpoint = filepath.Join(g.stack.DataDir(), "geth.ipc")
}
if g.ipcSocket, err = rpc.CreateIPCListener(g.ipcEndpoint); err != nil {
return err
}
// Iterate over all the APIs provided by the stack and expose them
g.ipcServer = rpc.NewServer()
for _, api := range g.stack.APIs() {
log15.Debug("Exposing/extending API...", "namespace", api.Namespace, "runner", fmt.Sprintf("%T", api.Service))
g.ipcServer.RegisterName(api.Namespace, api.Service)
}
log15.Info("Starting IPC listener...", "endpoint", g.ipcEndpoint)
go g.handleIPC()
return nil
}
func StartIPC(stack *node.Node, ctx *cli.Context) error {
var ethereum *eth.Ethereum
if err := stack.Service(ðereum); err != nil {
return err
}
endpoint := IPCSocketPath(ctx)
listener, err := rpc.CreateIPCListener(endpoint)
if err != nil {
return err
}
server := rpc.NewServer()
// register package API's this node provides
offered := stack.APIs()
for _, api := range offered {
server.RegisterName(api.Namespace, api.Service)
glog.V(logger.Debug).Infof("Register %T under namespace '%s' for IPC service\n", api.Service, api.Namespace)
}
go func() {
glog.V(logger.Info).Infof("Start IPC server on %s\n", endpoint)
for {
conn, err := listener.Accept()
if err != nil {
glog.V(logger.Error).Infof("Unable to accept connection - %v\n", err)
}
codec := rpc.NewJSONCodec(conn)
go server.ServeCodec(codec)
}
}()
return nil
}