github.com/m3db/m3@v1.5.0/src/m3em/node/heartbeat_options.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package node
    22  
    23  import (
    24  	"fmt"
    25  	"time"
    26  
    27  	xclock "github.com/m3db/m3/src/x/clock"
    28  )
    29  
    30  const (
    31  	defaultEnabled           = false
    32  	defaultHeartbeatInterval = 10 * time.Second
    33  	defaultCheckInterval     = 2 * time.Second
    34  	defaultHeartbeatTimeout  = 30 * time.Second
    35  )
    36  
    37  var (
    38  	defaultNowFn = time.Now
    39  )
    40  
    41  type heartbeatOpts struct {
    42  	enabled       bool
    43  	nowFn         xclock.NowFn
    44  	interval      time.Duration
    45  	checkInterval time.Duration
    46  	timeout       time.Duration
    47  	router        HeartbeatRouter
    48  }
    49  
    50  // NewHeartbeatOptions returns the default HeartbeatOptions
    51  func NewHeartbeatOptions() HeartbeatOptions {
    52  	return &heartbeatOpts{
    53  		enabled:       defaultEnabled,
    54  		nowFn:         defaultNowFn,
    55  		interval:      defaultHeartbeatInterval,
    56  		checkInterval: defaultCheckInterval,
    57  		timeout:       defaultHeartbeatTimeout,
    58  	}
    59  }
    60  
    61  func (ho *heartbeatOpts) Validate() error {
    62  	if ho.enabled && ho.router == nil {
    63  		return fmt.Errorf("HeartbeatRouter not set")
    64  	}
    65  	return nil
    66  }
    67  
    68  func (ho *heartbeatOpts) SetEnabled(f bool) HeartbeatOptions {
    69  	ho.enabled = f
    70  	return ho
    71  }
    72  
    73  func (ho *heartbeatOpts) Enabled() bool {
    74  	return ho.enabled
    75  }
    76  
    77  func (ho *heartbeatOpts) SetNowFn(fn xclock.NowFn) HeartbeatOptions {
    78  	ho.nowFn = fn
    79  	return ho
    80  }
    81  
    82  func (ho *heartbeatOpts) NowFn() xclock.NowFn {
    83  	return ho.nowFn
    84  }
    85  
    86  func (ho *heartbeatOpts) SetInterval(d time.Duration) HeartbeatOptions {
    87  	ho.interval = d
    88  	return ho
    89  }
    90  
    91  func (ho *heartbeatOpts) Interval() time.Duration {
    92  	return ho.interval
    93  }
    94  
    95  func (ho *heartbeatOpts) SetCheckInterval(td time.Duration) HeartbeatOptions {
    96  	ho.checkInterval = td
    97  	return ho
    98  }
    99  
   100  func (ho *heartbeatOpts) CheckInterval() time.Duration {
   101  	return ho.checkInterval
   102  }
   103  
   104  func (ho *heartbeatOpts) SetTimeout(d time.Duration) HeartbeatOptions {
   105  	ho.timeout = d
   106  	return ho
   107  }
   108  
   109  func (ho *heartbeatOpts) Timeout() time.Duration {
   110  	return ho.timeout
   111  }
   112  
   113  func (ho *heartbeatOpts) SetHeartbeatRouter(r HeartbeatRouter) HeartbeatOptions {
   114  	ho.router = r
   115  	return ho
   116  }
   117  
   118  func (ho *heartbeatOpts) HeartbeatRouter() HeartbeatRouter {
   119  	return ho.router
   120  }