47 lines
776 B
Go
47 lines
776 B
Go
package main
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import (
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"fmt"
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"io"
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"log"
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"net/http"
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)
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func errCheck(err error) {
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if err != nil {
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log.Fatalln("Error happened %v\n",err)
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}
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}
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func responseSize(url string, out chan Page) {
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fmt.Println("Getting ",url)
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response,err := http.Get(url)
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errCheck(err)
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defer response.Body.Close()
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body,err := io.ReadAll(response.Body)
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errCheck(err)
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out <- Page{URL: url, Size: len(body)}
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}
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type Page struct {
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URL string
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Size int
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}
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func main() {
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size := make(chan Page)
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urls :=[]string{"https://google.com","https://golang.org","https://golang.org/doc"}
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for _,url := range urls {
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go responseSize(url,size)
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}
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fmt.Println("--------")
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for i:=0; i < len(urls);i++ {
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page := <- size
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fmt.Printf("%s: %d\n",page.URL,page.Size)
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}
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fmt.Println("End main()")
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}
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