github.com/cloudwego/hertz@v0.9.3/pkg/app/middlewares/server/recovery/option.go (about)

     1  /*
     2   * Copyright 2022 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package recovery
    18  
    19  import (
    20  	"context"
    21  
    22  	"github.com/cloudwego/hertz/pkg/app"
    23  	"github.com/cloudwego/hertz/pkg/common/hlog"
    24  	"github.com/cloudwego/hertz/pkg/protocol/consts"
    25  )
    26  
    27  type (
    28  	options struct {
    29  		recoveryHandler func(c context.Context, ctx *app.RequestContext, err interface{}, stack []byte)
    30  	}
    31  
    32  	Option func(o *options)
    33  )
    34  
    35  func defaultRecoveryHandler(c context.Context, ctx *app.RequestContext, err interface{}, stack []byte) {
    36  	hlog.SystemLogger().CtxErrorf(c, "[Recovery] err=%v\nstack=%s", err, stack)
    37  	ctx.AbortWithStatus(consts.StatusInternalServerError)
    38  }
    39  
    40  func newOptions(opts ...Option) *options {
    41  	cfg := &options{
    42  		recoveryHandler: defaultRecoveryHandler,
    43  	}
    44  
    45  	for _, opt := range opts {
    46  		opt(cfg)
    47  	}
    48  
    49  	return cfg
    50  }
    51  
    52  func WithRecoveryHandler(f func(c context.Context, ctx *app.RequestContext, err interface{}, stack []byte)) Option {
    53  	return func(o *options) {
    54  		o.recoveryHandler = f
    55  	}
    56  }