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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package richkago | ||
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| import "sync" | ||
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| type Controller struct { | ||
| paused bool | ||
| excepted bool | ||
| totalSize int64 | ||
| downloadedSize int64 | ||
| downloadedSlices map[string]int64 | ||
| mu sync.Mutex | ||
| } | ||
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| // NewController build a new controller | ||
| func NewController() *Controller { | ||
| return &Controller{ | ||
| downloadedSlices: make(map[string]int64), | ||
| } | ||
| } | ||
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| // UpdateProgress update progress into controller | ||
| func (c *Controller) UpdateProgress(size int64, chunkID string) { | ||
| // Get lock | ||
| c.mu.Lock() | ||
| defer c.mu.Unlock() | ||
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| if chunkID == "" && len(c.downloadedSlices) == 0 { | ||
| // Init variable | ||
| c.downloadedSize = size | ||
| } else { | ||
| // Update progress | ||
| c.downloadedSlices[chunkID] = size | ||
| c.downloadedSize = 0 | ||
| // Sum up | ||
| for _, v := range c.downloadedSlices { | ||
| c.downloadedSize += v | ||
| } | ||
| } | ||
| } | ||
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| // Pause pause a progress | ||
| func (c *Controller) Pause() { | ||
| c.paused = true | ||
| } | ||
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| // Unpause unpause a progress | ||
| func (c *Controller) Unpause() { | ||
| c.paused = false | ||
| } | ||
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| // Status gets a status of a controller | ||
| func (c *Controller) Status() int { | ||
| if c.downloadedSize == 0 && !c.excepted { | ||
| return -1 // Not started | ||
| } else if c.paused { | ||
| return -2 // Paused | ||
| } else if c.excepted { | ||
| return -3 // Excepted | ||
| } else if c.downloadedSize == c.totalSize { | ||
| return 0 // Done | ||
| } else { | ||
| return 1 // Downloading | ||
| } | ||
| } | ||
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| // Progress gets progress of a controller | ||
| func (c *Controller) Progress() float64 { | ||
| if c.totalSize == 0 { | ||
| return -1 | ||
| } | ||
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| return float64(c.downloadedSize) / float64(c.totalSize) * 100 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package richkago | ||
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| import "testing" | ||
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| // TestNewController test example that builds a new controller | ||
| func TestNewController(t *testing.T) { | ||
| controller := NewController() | ||
| if controller == nil { | ||
| t.Error("controller is nil") | ||
| return | ||
| } | ||
| } | ||
|
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| // TestController_UpdateProgress test example that updates progress | ||
| func TestController_UpdateProgress(t *testing.T) { | ||
| controller := NewController() | ||
| controller.totalSize = 1000 | ||
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| controller.UpdateProgress(100, "1") | ||
| if controller.Progress() != 10 { | ||
| t.Error("progress is wrong", controller.Progress()) | ||
| return | ||
| } | ||
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| if controller.Status() != 1 { | ||
| t.Error("status is wrong", controller.Status()) | ||
| return | ||
| } | ||
| } | ||
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| // TestController_Pause test example that pause a progress | ||
| func TestController_Pause(t *testing.T) { | ||
| controller := NewController() | ||
| controller.totalSize = 1000 | ||
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| controller.UpdateProgress(100, "1") | ||
| if controller.Progress() != 10 { | ||
| t.Error("progress is wrong", controller.Progress()) | ||
| return | ||
| } | ||
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| controller.Pause() | ||
| if controller.Status() != -2 { | ||
| t.Error("status is wrong", controller.Status()) | ||
| return | ||
| } | ||
| } | ||
|
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| // TestController_Unpause test example that unpause a progress | ||
| func TestController_Unpause(t *testing.T) { | ||
| controller := NewController() | ||
| controller.totalSize = 1000 | ||
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| controller.UpdateProgress(100, "1") | ||
| if controller.Progress() != 10 { | ||
| t.Error("progress is wrong", controller.Progress()) | ||
| return | ||
| } | ||
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| controller.Pause() | ||
| if controller.Status() != -2 { | ||
| t.Error("status is wrong", controller.Status()) | ||
| return | ||
| } | ||
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| controller.Unpause() | ||
| if controller.Status() != 1 { | ||
| t.Error("status is wrong", controller.Status()) | ||
| return | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| module github.com/ghinknet/richkago | ||
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| go 1.23.2 | ||
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| require golang.org/x/sync v0.9.0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ= | ||
| golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= |
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