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safemap.go
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/
safemap.go
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package cowtransfer
import (
"sync"
)
type int64map struct {
hashmap map[int64]*uploadBlockResult
mutex sync.RWMutex
}
type uploadBlockResult struct {
token string
err error
size int
}
func (sm *int64map) Load(key int64) (string, error, bool) {
sm.mutex.Lock()
defer sm.mutex.Unlock()
if sm.hashmap == nil {
sm.hashmap = map[int64]*uploadBlockResult{}
}
result, ok := sm.hashmap[key]
if !ok {
return "", nil, false
}
return result.token, result.err, ok
}
func (sm *int64map) Store(key int64, token string, size int) {
sm.mutex.Lock()
defer sm.mutex.Unlock()
if sm.hashmap == nil {
sm.hashmap = map[int64]*uploadBlockResult{}
}
sm.hashmap[key] = &uploadBlockResult{
token: token,
err: nil,
size: size,
}
}
func (sm *int64map) StoreError(key int64, err error) {
sm.mutex.Lock()
defer sm.mutex.Unlock()
if sm.hashmap == nil {
sm.hashmap = map[int64]*uploadBlockResult{}
}
sm.hashmap[key] = &uploadBlockResult{
err: err,
}
}
func (sm *int64map) Size() (int64, int64) {
sm.mutex.Lock()
defer sm.mutex.Unlock()
if sm.hashmap == nil {
sm.hashmap = map[int64]*uploadBlockResult{}
}
blocksDone := int64(0)
sizeDone := int64(0)
for _, v := range sm.hashmap {
blocksDone ++
sizeDone += int64(v.size)
}
return blocksDone, sizeDone
}