github.com/uber/kraken@v0.1.4/tracker/trackerserver/config.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  package trackerserver
    15  
    16  import (
    17  	"time"
    18  
    19  	"github.com/uber/kraken/utils/listener"
    20  )
    21  
    22  // Config defines configuration for the tracker service.
    23  type Config struct {
    24  	// Limits the number of unique metainfo requests to origin per namespace/digest.
    25  	GetMetaInfoLimit time.Duration `yaml:"get_metainfo_limit"`
    26  
    27  	// Limits the number of peers returned on each announce.
    28  	PeerHandoutLimit int `yaml:"announce_limit"`
    29  
    30  	AnnounceInterval time.Duration `yaml:"announce_interval"`
    31  
    32  	Listener listener.Config `yaml:"listener"`
    33  }
    34  
    35  func (c Config) applyDefaults() Config {
    36  	if c.GetMetaInfoLimit == 0 {
    37  		c.GetMetaInfoLimit = time.Second
    38  	}
    39  	if c.PeerHandoutLimit == 0 {
    40  		c.PeerHandoutLimit = 50
    41  	}
    42  	if c.AnnounceInterval == 0 {
    43  		c.AnnounceInterval = 3 * time.Second
    44  	}
    45  	return c
    46  }