added net API

rpc/api/net.go

@@ -0,0 +1,81 @@
+package api
+
+import (
+	"github.com/ethereum/go-ethereum/eth"
+	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+	"github.com/ethereum/go-ethereum/xeth"
+)
+
+var (
+	// mapping between methods and handlers
+	netMapping = map[string]nethandler{
+		"net_id":        (*net).NetworkVersion,
+		"net_peerCount": (*net).PeerCount,
+		"net_listening": (*net).IsListening,
+		"net_peers":     (*net).Peers,
+	}
+)
+
+// net callback handler
+type nethandler func(*net, *shared.Request) (interface{}, error)
+
+// net api provider
+type net struct {
+	xeth     *xeth.XEth
+	ethereum *eth.Ethereum
+	methods  map[string]nethandler
+	codec    codec.ApiCoder
+}
+
+// create a new net api instance
+func NewNetApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *net {
+	return &net{
+		xeth:     xeth,
+		ethereum: eth,
+		methods:  netMapping,
+		codec:    coder.New(nil),
+	}
+}
+
+// collection with supported methods
+func (self *net) Methods() []string {
+	methods := make([]string, len(self.methods))
+	i := 0
+	for k := range self.methods {
+		methods[i] = k
+		i++
+	}
+	return methods
+}
+
+// Execute given request
+func (self *net) Execute(req *shared.Request) (interface{}, error) {
+	if callback, ok := self.methods[req.Method]; ok {
+		return callback(self, req)
+	}
+
+	return nil, shared.NewNotImplementedError(req.Method)
+}
+
+func (self *net) Name() string {
+	return NetApiName
+}
+
+// Network version
+func (self *net) NetworkVersion(req *shared.Request) (interface{}, error) {
+	return self.xeth.NetworkVersion(), nil
+}
+
+// Number of connected peers
+func (self *net) PeerCount(req *shared.Request) (interface{}, error) {
+	return self.xeth.PeerCount(), nil
+}
+
+func (self *net) IsListening(req *shared.Request) (interface{}, error) {
+	return self.xeth.IsListening(), nil
+}
+
+func (self *net) Peers(req *shared.Request) (interface{}, error) {
+	return self.ethereum.PeersInfo(), nil
+}