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
|
package proto
import (
"github.com/inconshreveable/muxado/proto/frame"
"sync"
)
const (
initMapCapacity = 128 // not too much extra memory wasted to avoid allocations
)
type StreamMap interface {
Get(frame.StreamId) (stream, bool)
Set(frame.StreamId, stream)
Delete(frame.StreamId)
Each(func(frame.StreamId, stream))
}
// ConcurrentStreamMap is a map of stream ids -> streams guarded by a read/write lock
type ConcurrentStreamMap struct {
sync.RWMutex
table map[frame.StreamId]stream
}
func (m *ConcurrentStreamMap) Get(id frame.StreamId) (s stream, ok bool) {
m.RLock()
s, ok = m.table[id]
m.RUnlock()
return
}
func (m *ConcurrentStreamMap) Set(id frame.StreamId, str stream) {
m.Lock()
m.table[id] = str
m.Unlock()
}
func (m *ConcurrentStreamMap) Delete(id frame.StreamId) {
m.Lock()
delete(m.table, id)
m.Unlock()
}
func (m *ConcurrentStreamMap) Each(fn func(frame.StreamId, stream)) {
m.Lock()
streams := make(map[frame.StreamId]stream, len(m.table))
for k, v := range m.table {
streams[k] = v
}
m.Unlock()
for id, str := range streams {
fn(id, str)
}
}
func NewConcurrentStreamMap() *ConcurrentStreamMap {
return &ConcurrentStreamMap{table: make(map[frame.StreamId]stream, initMapCapacity)}
}
|
