jsonrpc2/rpc/middleware/logger.go

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2022-05-28 16:53:20 +03:00
//Package middleware provides middlewares for rpc server
//
//Copyright (C) 2022 Alexander Kiryukhin <i@neonxp.dev>
//
//This file is part of go.neonxp.dev/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"
"strings"
"time"
"go.neonxp.dev/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()
args := strings.ReplaceAll(string(req.Params), "\n", "")
logger.Logf("rpc call=%s, args=%s, take=%dμs", req.Method, args, (t2 - t1))
return resp
}
}
}