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37 lines
603 B
Go
37 lines
603 B
Go
package main
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import (
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"fmt"
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"net"
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"net/http"
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"os"
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)
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func main() {
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addr := "127.0.0.1:54321"
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switch len(os.Args) {
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case 0:
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fmt.Fprintln(os.Stderr, "how did you even get here")
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os.Exit(1)
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case 1:
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break
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case 2:
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addr = os.Args[1]
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case 3:
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addr = fmt.Sprintf("%s:%s", os.Args[1], os.Args[2])
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default:
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fmt.Fprintln(os.Stderr, "too many args")
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os.Exit(1)
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}
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lis, err := net.Listen("tcp", addr)
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
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os.Exit(1)
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}
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fmt.Printf("listening on: %s\n", addr)
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http.Serve(lis, &server{counters: make(map[string]int)})
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}
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