-
Notifications
You must be signed in to change notification settings - Fork 200
/
connections.go
54 lines (42 loc) · 1.8 KB
/
connections.go
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
package metrics
import (
"sync/atomic"
"github.com/libp2p/go-libp2p-core/network"
"github.com/multiformats/go-multiaddr"
)
// Connections is a metric that counts connections and disconnections done by the host implementation
type Connections struct {
numConnections uint32
numDisconnections uint32
}
// NewConnections returns a new connsDisconnsMetric instance
func NewConnections() *Connections {
return &Connections{
numConnections: 0,
numDisconnections: 0,
}
}
// Listen is called when network starts listening on an addr
func (conns *Connections) Listen(network.Network, multiaddr.Multiaddr) {}
// ListenClose is called when network stops listening on an addr
func (conns *Connections) ListenClose(network.Network, multiaddr.Multiaddr) {}
// Connected is called when a connection opened. It increments the numConnections counter
func (conns *Connections) Connected(network.Network, network.Conn) {
atomic.AddUint32(&conns.numConnections, 1)
}
// Disconnected is called when a connection closed it increments the numDisconnections counter
func (conns *Connections) Disconnected(network.Network, network.Conn) {
atomic.AddUint32(&conns.numDisconnections, 1)
}
// OpenedStream is called when a stream opened
func (conns *Connections) OpenedStream(network.Network, network.Stream) {}
// ClosedStream is called when a stream closed
func (conns *Connections) ClosedStream(network.Network, network.Stream) {}
// ResetNumConnections resets the numConnections counter returning the previous value
func (conns *Connections) ResetNumConnections() uint32 {
return atomic.SwapUint32(&conns.numConnections, 0)
}
// ResetNumDisconnections resets the numDisconnections counter returning the previous value
func (conns *Connections) ResetNumDisconnections() uint32 {
return atomic.SwapUint32(&conns.numDisconnections, 0)
}