github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/p2p/testing/peerpool.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package testing
    13  
    14  import (
    15  	"fmt"
    16  	"sync"
    17  
    18  	"github.com/Sberex/go-sberex/log"
    19  	"github.com/Sberex/go-sberex/p2p/discover"
    20  )
    21  
    22  type TestPeer interface {
    23  	ID() discover.NodeID
    24  	Drop(error)
    25  }
    26  
    27  // TestPeerPool is an example peerPool to demonstrate registration of peer connections
    28  type TestPeerPool struct {
    29  	lock  sync.Mutex
    30  	peers map[discover.NodeID]TestPeer
    31  }
    32  
    33  func NewTestPeerPool() *TestPeerPool {
    34  	return &TestPeerPool{peers: make(map[discover.NodeID]TestPeer)}
    35  }
    36  
    37  func (self *TestPeerPool) Add(p TestPeer) {
    38  	self.lock.Lock()
    39  	defer self.lock.Unlock()
    40  	log.Trace(fmt.Sprintf("pp add peer  %v", p.ID()))
    41  	self.peers[p.ID()] = p
    42  
    43  }
    44  
    45  func (self *TestPeerPool) Remove(p TestPeer) {
    46  	self.lock.Lock()
    47  	defer self.lock.Unlock()
    48  	delete(self.peers, p.ID())
    49  }
    50  
    51  func (self *TestPeerPool) Has(id discover.NodeID) bool {
    52  	self.lock.Lock()
    53  	defer self.lock.Unlock()
    54  	_, ok := self.peers[id]
    55  	return ok
    56  }
    57  
    58  func (self *TestPeerPool) Get(id discover.NodeID) TestPeer {
    59  	self.lock.Lock()
    60  	defer self.lock.Unlock()
    61  	return self.peers[id]
    62  }