245 lines
8.0 KiB
Go
245 lines
8.0 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package node
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import (
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"fmt"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/rpc/comms"
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"github.com/rcrowley/go-metrics"
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)
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// PrivateAdminAPI is the collection of administrative API methods exposed only
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// over a secure RPC channel.
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type PrivateAdminAPI struct {
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node *Node // Node interfaced by this API
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}
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// NewPrivateAdminAPI creates a new API definition for the private admin methods
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// of the node itself.
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func NewPrivateAdminAPI(node *Node) *PrivateAdminAPI {
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return &PrivateAdminAPI{node: node}
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}
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// AddPeer requests connecting to a remote node, and also maintaining the new
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// connection at all times, even reconnecting if it is lost.
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func (api *PrivateAdminAPI) AddPeer(url string) (bool, error) {
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// Make sure the server is running, fail otherwise
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server := api.node.Server()
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if server == nil {
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return false, ErrNodeStopped
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}
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// Try to add the url as a static peer and return
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node, err := discover.ParseNode(url)
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if err != nil {
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return false, fmt.Errorf("invalid enode: %v", err)
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}
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server.AddPeer(node)
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return true, nil
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}
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// StartRPC starts the HTTP RPC API server.
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func (api *PrivateAdminAPI) StartRPC(address string, port int, cors string, apis string) (bool, error) {
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/*// Parse the list of API modules to make available
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apis, err := api.ParseApiString(apis, codec.JSON, xeth.New(api.node, nil), api.node)
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if err != nil {
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return false, err
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}
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// Configure and start the HTTP RPC server
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config := comms.HttpConfig{
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ListenAddress: address,
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ListenPort: port,
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CorsDomain: cors,
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}
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if err := comms.StartHttp(config, self.codec, api.Merge(apis...)); err != nil {
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return false, err
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}
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return true, nil*/
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return false, fmt.Errorf("needs new RPC implementation to resolve circular dependency")
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}
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// StopRPC terminates an already running HTTP RPC API endpoint.
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func (api *PrivateAdminAPI) StopRPC() {
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comms.StopHttp()
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}
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// PublicAdminAPI is the collection of administrative API methods exposed over
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// both secure and unsecure RPC channels.
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type PublicAdminAPI struct {
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node *Node // Node interfaced by this API
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}
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// NewPublicAdminAPI creates a new API definition for the public admin methods
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// of the node itself.
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func NewPublicAdminAPI(node *Node) *PublicAdminAPI {
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return &PublicAdminAPI{node: node}
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}
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// Peers retrieves all the information we know about each individual peer at the
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// protocol granularity.
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func (api *PublicAdminAPI) Peers() ([]*p2p.PeerInfo, error) {
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server := api.node.Server()
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if server == nil {
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return nil, ErrNodeStopped
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}
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return server.PeersInfo(), nil
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}
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// NodeInfo retrieves all the information we know about the host node at the
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// protocol granularity.
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func (api *PublicAdminAPI) NodeInfo() (*p2p.NodeInfo, error) {
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server := api.node.Server()
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if server == nil {
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return nil, ErrNodeStopped
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}
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return server.NodeInfo(), nil
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}
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// Datadir retrieves the current data directory the node is using.
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func (api *PublicAdminAPI) Datadir() string {
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return api.node.DataDir()
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}
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// PrivateDebugAPI is the collection of debugging related API methods exposed
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// only over a secure RPC channel.
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type PrivateDebugAPI struct {
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node *Node // Node interfaced by this API
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}
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// NewPrivateDebugAPI creates a new API definition for the private debug methods
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// of the node itself.
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func NewPrivateDebugAPI(node *Node) *PrivateDebugAPI {
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return &PrivateDebugAPI{node: node}
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}
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// Verbosity updates the node's logging verbosity. Note, due to the lack of fine
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// grained contextual loggers, this will update the verbosity level for the entire
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// process, not just this node instance.
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func (api *PrivateDebugAPI) Verbosity(level int) {
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glog.SetV(level)
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}
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// PublicDebugAPI is the collection of debugging related API methods exposed over
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// both secure and unsecure RPC channels.
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type PublicDebugAPI struct {
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node *Node // Node interfaced by this API
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}
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// NewPublicDebugAPI creates a new API definition for the public debug methods
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// of the node itself.
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func NewPublicDebugAPI(node *Node) *PublicDebugAPI {
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return &PublicDebugAPI{node: node}
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}
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// Metrics retrieves all the known system metric collected by the node.
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func (api *PublicDebugAPI) Metrics(raw bool) (map[string]interface{}, error) {
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// Create a rate formatter
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units := []string{"", "K", "M", "G", "T", "E", "P"}
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round := func(value float64, prec int) string {
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unit := 0
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for value >= 1000 {
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unit, value, prec = unit+1, value/1000, 2
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}
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return fmt.Sprintf(fmt.Sprintf("%%.%df%s", prec, units[unit]), value)
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}
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format := func(total float64, rate float64) string {
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return fmt.Sprintf("%s (%s/s)", round(total, 0), round(rate, 2))
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}
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// Iterate over all the metrics, and just dump for now
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counters := make(map[string]interface{})
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metrics.DefaultRegistry.Each(func(name string, metric interface{}) {
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// Create or retrieve the counter hierarchy for this metric
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root, parts := counters, strings.Split(name, "/")
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for _, part := range parts[:len(parts)-1] {
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if _, ok := root[part]; !ok {
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root[part] = make(map[string]interface{})
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}
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root = root[part].(map[string]interface{})
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}
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name = parts[len(parts)-1]
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// Fill the counter with the metric details, formatting if requested
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if raw {
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switch metric := metric.(type) {
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case metrics.Meter:
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root[name] = map[string]interface{}{
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"AvgRate01Min": metric.Rate1(),
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"AvgRate05Min": metric.Rate5(),
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"AvgRate15Min": metric.Rate15(),
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"MeanRate": metric.RateMean(),
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"Overall": float64(metric.Count()),
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}
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case metrics.Timer:
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root[name] = map[string]interface{}{
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"AvgRate01Min": metric.Rate1(),
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"AvgRate05Min": metric.Rate5(),
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"AvgRate15Min": metric.Rate15(),
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"MeanRate": metric.RateMean(),
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"Overall": float64(metric.Count()),
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"Percentiles": map[string]interface{}{
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"5": metric.Percentile(0.05),
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"20": metric.Percentile(0.2),
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"50": metric.Percentile(0.5),
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"80": metric.Percentile(0.8),
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"95": metric.Percentile(0.95),
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},
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}
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default:
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root[name] = "Unknown metric type"
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}
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} else {
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switch metric := metric.(type) {
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case metrics.Meter:
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root[name] = map[string]interface{}{
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"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
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"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
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"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
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"Overall": format(float64(metric.Count()), metric.RateMean()),
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}
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case metrics.Timer:
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root[name] = map[string]interface{}{
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"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
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"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
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"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
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"Overall": format(float64(metric.Count()), metric.RateMean()),
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"Maximum": time.Duration(metric.Max()).String(),
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"Minimum": time.Duration(metric.Min()).String(),
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"Percentiles": map[string]interface{}{
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"5": time.Duration(metric.Percentile(0.05)).String(),
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"20": time.Duration(metric.Percentile(0.2)).String(),
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"50": time.Duration(metric.Percentile(0.5)).String(),
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"80": time.Duration(metric.Percentile(0.8)).String(),
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"95": time.Duration(metric.Percentile(0.95)).String(),
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},
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}
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default:
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root[name] = "Unknown metric type"
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}
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}
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})
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return counters, nil
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}
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