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work.go
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work.go
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package plotter
import ()
/*
*一个Work对应着某一个需要P的目录;
*一个Work由多个Task组成;
* 每一个Work有一个work进度,由已完成任务及正在进行的任务共同构成;
* 每一个Task代表一个即将进行或者正在进行的P盘操作。
**/
type Work struct {
Id string
PlotSeed string
PlotDir string
PlotSize uint64
startNonce uint64
nonceQuantity uint64
todoTasks []*Task
doingTasks []*Task
doneTasks []*Task
}
func (work *Work) Init() {
const ONE_TASK_NONCE_NUM = 4096
work.todoTasks = []*Task{}
work.doingTasks = []*Task{}
work.doneTasks = []*Task{}
for i := uint64(0); i < work.nonceQuantity; i += ONE_TASK_NONCE_NUM {
task := NewTask(work, work.startNonce+i, ONE_TASK_NONCE_NUM)
work.todoTasks = append(work.todoTasks, task)
}
}
func (work *Work) GetTask() (task *Task) {
if len(work.todoTasks) == 0 {
return nil
}
task = work.todoTasks[0]
work.todoTasks = work.todoTasks[1:]
work.doingTasks = append(work.doingTasks, task)
return task
}
func (work *Work) CommitTask(task *Task) {
for i, doing := range work.doingTasks {
if doing.startNonce == task.startNonce {
work.doneTasks = append(work.doneTasks, doing)
work.doingTasks = RemoveTask(work.doingTasks, i)
}
}
return
}
func (work *Work) RollbackTask(task *Task) {
return
}
func (work *Work) Progress() uint {
total := (len(work.todoTasks) + len(work.doingTasks) + len(work.doneTasks))
done := len(work.doneTasks) * PROGRESS_MAX
for _, doing := range work.doingTasks {
done += int(doing.progress)
}
return uint(done / total)
}