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rpc.go
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rpc.go
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package main
import (
"errors"
"net"
"net/http"
"github.com/tendermint/tendermint/libs/log"
rpc "github.com/tendermint/tendermint/rpc/lib/server"
monitor "github.com/tendermint/tendermint/tools/tm-monitor/monitor"
)
func startRPC(listenAddr string, m *monitor.Monitor, logger log.Logger) net.Listener {
routes := routes(m)
mux := http.NewServeMux()
wm := rpc.NewWebsocketManager(routes, nil)
mux.HandleFunc("/websocket", wm.WebsocketHandler)
rpc.RegisterRPCFuncs(mux, routes, cdc, logger)
config := rpc.DefaultConfig()
listener, err := rpc.Listen(listenAddr, config)
if err != nil {
panic(err)
}
go rpc.StartHTTPServer(listener, mux, logger, config)
return listener
}
func routes(m *monitor.Monitor) map[string]*rpc.RPCFunc {
return map[string]*rpc.RPCFunc{
"status": rpc.NewRPCFunc(RPCStatus(m), ""),
"status/network": rpc.NewRPCFunc(RPCNetworkStatus(m), ""),
"status/node": rpc.NewRPCFunc(RPCNodeStatus(m), "name"),
"monitor": rpc.NewRPCFunc(RPCMonitor(m), "endpoint"),
"unmonitor": rpc.NewRPCFunc(RPCUnmonitor(m), "endpoint"),
// "start_meter": rpc.NewRPCFunc(network.StartMeter, "chainID,valID,event"),
// "stop_meter": rpc.NewRPCFunc(network.StopMeter, "chainID,valID,event"),
// "meter": rpc.NewRPCFunc(GetMeterResult(network), "chainID,valID,event"),
}
}
// RPCStatus returns common statistics for the network and statistics per node.
func RPCStatus(m *monitor.Monitor) interface{} {
return func() (networkAndNodes, error) {
return networkAndNodes{m.Network, m.Nodes}, nil
}
}
// RPCNetworkStatus returns common statistics for the network.
func RPCNetworkStatus(m *monitor.Monitor) interface{} {
return func() (*monitor.Network, error) {
return m.Network, nil
}
}
// RPCNodeStatus returns statistics for the given node.
func RPCNodeStatus(m *monitor.Monitor) interface{} {
return func(name string) (*monitor.Node, error) {
if i, n := m.NodeByName(name); i != -1 {
return n, nil
}
return nil, errors.New("Cannot find node with that name")
}
}
// RPCMonitor allows to dynamically add a endpoint to under the monitor. Safe
// to call multiple times.
func RPCMonitor(m *monitor.Monitor) interface{} {
return func(endpoint string) (*monitor.Node, error) {
i, n := m.NodeByName(endpoint)
if i == -1 {
n = monitor.NewNode(endpoint)
if err := m.Monitor(n); err != nil {
return nil, err
}
}
return n, nil
}
}
// RPCUnmonitor removes the given endpoint from under the monitor.
func RPCUnmonitor(m *monitor.Monitor) interface{} {
return func(endpoint string) (bool, error) {
if i, n := m.NodeByName(endpoint); i != -1 {
m.Unmonitor(n)
return true, nil
}
return false, errors.New("Cannot find node with that name")
}
}
// func (tn *TendermintNetwork) StartMeter(chainID, valID, eventID string) error {
// tn.mtx.Lock()
// defer tn.mtx.Unlock()
// val, err := tn.getChainVal(chainID, valID)
// if err != nil {
// return err
// }
// return val.EventMeter().Subscribe(eventID, nil)
// }
// func (tn *TendermintNetwork) StopMeter(chainID, valID, eventID string) error {
// tn.mtx.Lock()
// defer tn.mtx.Unlock()
// val, err := tn.getChainVal(chainID, valID)
// if err != nil {
// return err
// }
// return val.EventMeter().Unsubscribe(eventID)
// }
// func (tn *TendermintNetwork) GetMeter(chainID, valID, eventID string) (*eventmeter.EventMetric, error) {
// tn.mtx.Lock()
// defer tn.mtx.Unlock()
// val, err := tn.getChainVal(chainID, valID)
// if err != nil {
// return nil, err
// }
// return val.EventMeter().GetMetric(eventID)
// }
//--> types
type networkAndNodes struct {
Network *monitor.Network `json:"network"`
Nodes []*monitor.Node `json:"nodes"`
}