go.uber.org/yarpc@v1.72.1/peer/pendingheap/score.go (about)

     1  // Copyright (c) 2022 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 pendingheap
    22  
    23  import (
    24  	"go.uber.org/yarpc/api/peer"
    25  	"go.uber.org/yarpc/peer/abstractlist"
    26  )
    27  
    28  var _ abstractlist.Subscriber = (*peerScore)(nil)
    29  
    30  // peerScore is a book-keeping object for each retained peer
    31  type peerScore struct {
    32  	// immutable after creation
    33  	peer peer.StatusPeer
    34  	heap *pendingHeap
    35  	// mutable
    36  	pending int
    37  	index   int // index in the peer list.
    38  	last    int // snapshot of the heap's incrementing counter.
    39  }
    40  
    41  func (ps *peerScore) UpdatePendingRequestCount(pendingRequestCount int) {
    42  	ps.heap.updatePendingRequestCount(ps, pendingRequestCount)
    43  }