woodpecker/pkg/queue/queue.go

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package queue
import (
. "github.com/drone/drone/pkg/model"
)
// A Queue dispatches tasks to workers.
type Queue struct {
tasks chan<- *BuildTask
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}
// BuildTasks represents a build that is pending
// execution.
type BuildTask struct {
Repo *Repo
Commit *Commit
Build *Build
}
// Start N workers with the given build runner.
func Start(workers int, runner BuildRunner) *Queue {
tasks := make(chan *BuildTask)
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queue := &Queue{tasks: tasks}
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for i := 0; i < workers; i++ {
worker := worker{
runner: runner,
}
go worker.work(tasks)
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}
return queue
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}
// Add adds the task to the build queue.
func (q *Queue) Add(task *BuildTask) {
q.tasks <- task
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}