go.temporal.io/server@v1.23.0/common/membership/ringpop/hostinfo.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
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     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
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    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  // Package ringpop provides a service-based membership monitor
    26  package ringpop
    27  
    28  type hostInfo struct {
    29  	addr   string // ip:port
    30  	labels map[string]string
    31  }
    32  
    33  // newHostInfo creates a new *hostInfo instance
    34  func newHostInfo(addr string, labels map[string]string) *hostInfo {
    35  	if labels == nil {
    36  		labels = make(map[string]string)
    37  	}
    38  	return &hostInfo{
    39  		addr:   addr,
    40  		labels: labels,
    41  	}
    42  }
    43  
    44  // GetAddress returns the ip:port address
    45  func (hi *hostInfo) GetAddress() string {
    46  	return hi.addr
    47  }
    48  
    49  // Identity implements ringpop's Membership interface
    50  func (hi *hostInfo) Identity() string {
    51  	// For now, we just use the address as the identity.
    52  	return hi.addr
    53  }
    54  
    55  // Label implements ringpop's Membership interface
    56  func (hi *hostInfo) Label(key string) (string, bool) {
    57  	value, ok := hi.labels[key]
    58  	return value, ok
    59  }
    60  
    61  // SetLabel sets the label.
    62  func (hi *hostInfo) SetLabel(key string, value string) {
    63  	hi.labels[key] = value
    64  }