58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"net"
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"net/http"
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)
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var (
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port = flag.Int("port", 8000, "The server port")
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)
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type limiterRequest struct {
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Network string `json:"network"`
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Addr string `json:"addr"`
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Client string `json:"client"`
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Src string `json:"src"`
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}
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type limiterResponse struct {
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In int64 `json:"in"`
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Out int64 `json:"out"`
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}
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func main() {
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flag.Parse()
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
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if err != nil {
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log.Fatalf("failed to listen: %v", err)
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}
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log.Printf("server listening at %v", lis.Addr())
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http.HandleFunc("/limiter", func(w http.ResponseWriter, r *http.Request) {
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req := limiterRequest{}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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log.Println(err)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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resp := limiterResponse{
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In: 1024 * 1024, // 1MB
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Out: 512 * 1024, // 512KB
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}
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log.Printf("limiter: client=%s src=%s network=%s, addr=%s", req.Client, req.Src, req.Network, req.Addr)
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json.NewEncoder(w).Encode(resp)
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})
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if err := http.Serve(lis, nil); err != nil {
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log.Fatalf("failed to serve: %v", err)
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}
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}
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