jsonrpc2/rpc/middleware/logger.go

45 lines
1.4 KiB
Go

//Package middleware provides middlewares for rpc server
//
//Copyright (C) 2022 Alexander Kiryukhin <i@neonxp.dev>
//
//This file is part of go.neonxp.ru/jsonrpc2 project.
//
//This program is free software: you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program. If not, see <https://www.gnu.org/licenses/>.
package middleware
import (
"context"
"encoding/json"
"fmt"
"time"
"go.neonxp.ru/jsonrpc2/rpc"
)
func Logger(logger rpc.Logger) rpc.Middleware {
return func(handler rpc.RpcHandler) rpc.RpcHandler {
return func(ctx context.Context, req *rpc.RpcRequest) *rpc.RpcResponse {
t1 := time.Now().UnixMicro()
resp := handler(ctx, req)
t2 := time.Now().UnixMicro()
var params any
if err := json.Unmarshal(req.Params, &params); err != nil {
params = fmt.Sprintf("<invalid body: %s>", err.Error())
}
logger.Logf("rpc call=%s, args=%+v, take=%dμs", req.Method, params, (t2 - t1))
return resp
}
}
}