Feat: archive & download routers for test

pkg/task/pool.go

@@ -0,0 +1,21 @@
+package task
+
+type Pool struct {
+	// 容量
+	capacity int
+	// 终止信号
+	terminateSignal chan error
+	// 全部任务完成的信号
+	finishSignal chan bool
+}
+
+type Worker interface {
+	Do() error
+}
+
+func (pool *Pool) Submit(worker Worker) {
+	err := worker.Do()
+	if err != nil {
+		close(pool.terminateSignal)
+	}
+}