node/server_test.go at master · AutoRoute/node · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
package node

import (
	"bytes"
	"errors"
	"fmt"
	"strings"
	"testing"
	"time"

	"github.com/AutoRoute/node/internal"
	"github.com/AutoRoute/node/types"
)

func TestConnection(t *testing.T) {
	key1, _ := NewKey()
	key2, _ := NewKey()
	buf1 := bytes.Buffer{}
	buf2 := bytes.Buffer{}

	n1 := NewServer(key1, internal.FakeMoney{}, nil, NewLogger(&buf1))
	defer n1.Close()
	n2 := NewServer(key2, internal.FakeMoney{}, nil, NewLogger(&buf2))
	defer n2.Close()

	err := n1.Listen("[::1]:16543")
	if err != nil {
		t.Fatalf("Error listening %v", err)
	}
	err = n2.Connect("[::1]:16543")
	if err != nil {
		t.Fatalf("Error connecting %v", err)
	}
}

func WaitForReachable(n Node, addr types.NodeAddress) error {
	tick := time.Tick(100 * time.Millisecond)
	timeout := time.After(1 * time.Second)
	for {
		select {
		case <-tick:
			if n.IsReachable(addr) {
				return nil
			}
		case <-timeout:
			return errors.New("Timed out waiting for node to be reachable")
		}
	}

}

func TestDataTransmission(t *testing.T) {
	key1, _ := NewKey()
	key2, _ := NewKey()
	buf1 := bytes.Buffer{}
	buf2 := bytes.Buffer{}

	n1 := NewServer(key1, internal.FakeMoney{}, nil, NewLogger(&buf1))
	defer n1.Close()
	n2 := NewServer(key2, internal.FakeMoney{}, nil, NewLogger(&buf2))
	defer n2.Close()
	err := n1.Listen("[::1]:16544")
	if err != nil {
		t.Fatalf("Error listening %v", err)
	}
	err = n2.Connect("[::1]:16544")
	if err != nil {
		t.Fatalf("Error connecting %v", err)
	}

	// Wait for n1 to know about n2
	err = WaitForReachable(n1.Node(), key2.k.PublicKey().Hash())
	if err != nil {
		t.Fatalf("Error waiting for information %v", err)
	}

	for i := 0; i < 10; i++ {
		p2 := types.Packet{key2.k.PublicKey().Hash(), 3, []byte(fmt.Sprintf("test%d", i))}
		err = n1.Node().SendPacket(p2)
		if err != nil {
			t.Fatalf("Error sending packet: %v", err)
		}

		timeout := time.After(10 * time.Second)
		for found := false; found != true; {
			select {
			case <-n2.Node().Packets():
				found = true
				break
			case <-timeout:
				t.Fatal("Timeout waiting for packets")
			}
		}
	}
}

func benchmarkDataTransmission(size int, b *testing.B) {
	key1, _ := NewKey()
	key2, _ := NewKey()
	buf1 := bytes.Buffer{}
	buf2 := bytes.Buffer{}

	n1 := NewServer(key1, internal.FakeMoney{}, nil, NewLogger(&buf1))
	defer n1.Close()
	n2 := NewServer(key2, internal.FakeMoney{}, nil, NewLogger(&buf2))
	defer n2.Close()
	err := n1.Listen(fmt.Sprintf("[::1]:16%03d", (size+b.N)%127+1))
	if err != nil {
		b.Fatalf("Error listening %v", err)
	}
	err = n2.Connect(fmt.Sprintf("[::1]:16%03d", (size+b.N)%127+1))
	if err != nil {
		b.Fatalf("Error connecting %v", err)
	}

	// Wait for n1 to know about n2
	err = WaitForReachable(n1.Node(), key2.k.PublicKey().Hash())
	if err != nil {
		b.Fatalf("Error waiting for information %v", err)
	}

	p2 := types.Packet{key2.k.PublicKey().Hash(), 3, []byte(strings.Repeat("a", size))}
	done := make(chan bool)

	b.ResetTimer()

	go func() {
		for i := 0; i < b.N; i++ {
			<-n2.Node().Packets()
		}
		done <- true
	}()
	for i := 0; i < b.N; i++ {
		err = n1.Node().SendPacket(p2)
		if err != nil {
			b.Fatalf("Error sending packet: %v", err)
		}
	}
	<-done
}

func BenchmarkDataTransmission1(b *testing.B) {
	benchmarkDataTransmission(1, b)
}

func BenchmarkDataTransmission1k(b *testing.B) {
	benchmarkDataTransmission(1024, b)
}