goProject/.svn/pristine/b4/b423d23f684b407d0678b338394566e3fcfd9d42.svn-base
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package ensureSendUtil
import (
"fmt"
"goutil/webUtil"
)
// 实现 EnsureSender和sender接口
type httpSender struct {
// 需要实现的接口
EnsureSender
// 包含sender接口部分实现
*baseSender
// 数据目录
dataFolder string
// 发送地址
url string
// 用于sendLoop和resendLoop发送退出信号
closeSignal chan struct{}
}
// 创建一个http数据发送器
// 参数:
//
// _dataFolder 数据存放目录
// _url 发送地址
func NewHTTPSender(_dataFolder, _url string) (EnsureSender, error) {
this := &httpSender{
dataFolder: _dataFolder,
url: _url,
baseSender: newBaseSender(),
closeSignal: make(chan struct{}),
}
// 新开协程发送数据
go sendLoop(this, this.closeSignal)
// 定时重发
go resendLoop(this, _dataFolder, this.closeSignal)
return this, nil
}
// EnsureSender接口
// Write写入数据
func (this *httpSender) Write(data string) error {
item := newHTTPData(data)
this.waitingDataChan <- item
return nil
}
// EnsureSender接口
// Close关闭
func (this *httpSender) Close() error {
close(this.done)
// 等待sendLoop和resendLoop退出
<-this.closeSignal
<-this.closeSignal
// 保存数据
_, e1 := saveData(this.Cache(), this.dataFolder)
_, e2 := saveData(this.Data(), this.dataFolder)
if e2 != nil {
if e1 != nil {
return fmt.Errorf("%s %s", e1, e2)
}
return e2
} else {
return e1
}
}
// sender接口
// Send发送数据
func (this *httpSender) Send(item dataItem) error {
statusCode, _, err := webUtil.PostByteData2(this.url, item.Bytes(), nil, nil)
if err != nil || statusCode != 200 {
if err == nil {
err = fmt.Errorf("StatusCode is not 200")
}
// 发送失败时发送次数+1
item.SetCount(item.Count() + 1)
}
return err
}