downloader

package module

v0.1.1 Latest Latest Go to latest Published: Jan 17, 2015 License: Apache-2.0 Imports: 6 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/Bluek404/downloader

Links

Open Source Insights

README ¶

downloader

HTTP file downloader

功能

统计信息
多线程下载
断点续传
线程数量动态修改
线程自动分配（均衡线程负载）

Documentation ¶

Index ¶

Variables
type Block
type FileDl
- func NewFileDl(url string, file *os.File, size int64) (*FileDl, error)
type Status

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	// 最大线程数量
	MaxThread = 5
	// 缓冲区大小
	CacheSize = 1024
)

Functions ¶

This section is empty.

Types ¶

type Block ¶

type Block struct {
	Begin int64 `json:"begin"`
	End   int64 `json:"end"`
}

type FileDl ¶

type FileDl struct {
	Url  string   // 下载地址
	Size int64    // 文件大小
	File *os.File // 要写入的文件

	BlockList []Block // 用于记录未下载的文件块起始位置
	// contains filtered or unexported fields
}

func NewFileDl ¶

func NewFileDl(url string, file *os.File, size int64) (*FileDl, error)

创建新的文件下载

如果 size <= 0 则自动获取文件大小

func (FileDl) GetStatus ¶

func (f FileDl) GetStatus() Status

获取下载统计信息

func (*FileDl) OnError ¶

func (f *FileDl) OnError(fn func(int, error))

任务出错时触发的事件

errCode为错误码，errStr为错误描述

func (*FileDl) OnFinish ¶

func (f *FileDl) OnFinish(fn func())

任务完成时触发的事件

func (*FileDl) OnPause ¶

func (f *FileDl) OnPause(fn func())

任务暂停时触发的事件

func (*FileDl) OnResume ¶

func (f *FileDl) OnResume(fn func())

任务继续时触发的事件

func (*FileDl) OnStart ¶

func (f *FileDl) OnStart(fn func())

任务开始时触发的事件

func (*FileDl) Pause ¶

func (f *FileDl) Pause()

暂停下载

func (*FileDl) Resume ¶

func (f *FileDl) Resume()

继续下载

func (*FileDl) Start ¶

func (f *FileDl) Start()

开始下载

type Status ¶

type Status struct {
	Downloaded int64
	Speeds     int64
}

Source Files ¶

View all Source files

downloader.go

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