Anton Kaliaev cdf3a74f48 Unclean shutdown on SIGINT / SIGTERM (#3308)
* libs/common: TrapSignal accepts logger as a first parameter

 and does not block anymore
* previously it was dumping "captured ..." msg to os.Stdout
* TrapSignal should not be responsible for blocking thread of execution

Refs #3238

* exit with zero (0) code upon receiving SIGTERM/SIGINT

Refs #3238

* fix formatting in docs/app-dev/abci-cli.md

Co-Authored-By: melekes <anton.kalyaev@gmail.com>

* fix formatting in docs/app-dev/abci-cli.md

Co-Authored-By: melekes <anton.kalyaev@gmail.com>
2019-02-23 10:48:28 -05:00

43 lines
953 B
Go

package main
import (
"fmt"
"net/http"
"os"
amino "github.com/tendermint/go-amino"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/libs/log"
rpcserver "github.com/tendermint/tendermint/rpc/lib/server"
)
var routes = map[string]*rpcserver.RPCFunc{
"hello_world": rpcserver.NewRPCFunc(HelloWorld, "name,num"),
}
func HelloWorld(name string, num int) (Result, error) {
return Result{fmt.Sprintf("hi %s %d", name, num)}, nil
}
type Result struct {
Result string
}
func main() {
var (
mux = http.NewServeMux()
cdc = amino.NewCodec()
logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
)
// Stop upon receiving SIGTERM or CTRL-C.
cmn.TrapSignal(logger, func() {})
rpcserver.RegisterRPCFuncs(mux, routes, cdc, logger)
listener, err := rpcserver.Listen("0.0.0.0:8008", rpcserver.Config{})
if err != nil {
cmn.Exit(err.Error())
}
rpcserver.StartHTTPServer(listener, mux, logger)
}