82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"strconv"
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)
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type SimRequest struct {
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Algorithm string `json:"algorithm"`
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TimeSlice int `json:"timeSlice"`
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Processes []ProcInput `json:"processes"`
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}
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type ProcInput struct {
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Name string `json:"name"`
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Priority int `json:"priority"`
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ArrivalTime int `json:"arrivalTime"`
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NeedTime int `json:"needTime"`
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}
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func main() {
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port := "8080"
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if len(os.Args) > 1 {
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p, err := strconv.Atoi(os.Args[1])
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if err == nil && p > 0 && p < 65536 {
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port = os.Args[1]
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}
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}
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fs := http.FileServer(http.Dir("./static"))
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http.Handle("/", fs)
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http.HandleFunc("/api/simulate", handleSimulate)
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fmt.Printf("进程调度模拟器已启动: http://localhost:%s\n", port)
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if err := http.ListenAndServe(":"+port, nil); err != nil {
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fmt.Fprintf(os.Stderr, "服务器启动失败: %v\n", err)
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os.Exit(1)
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}
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}
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func handleSimulate(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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var req SimRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, "Invalid request: "+err.Error(), http.StatusBadRequest)
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return
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}
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procs := make([]*PCB, len(req.Processes))
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for i, p := range req.Processes {
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procs[i] = NewPCB(p.Name, p.Priority, p.ArrivalTime, p.NeedTime)
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}
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var result SimResult
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if req.Algorithm == "mlfq" {
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ts := [3]int{1, 2, 4}
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if req.TimeSlice > 0 {
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ts[0] = req.TimeSlice
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ts[1] = req.TimeSlice * 2
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ts[2] = req.TimeSlice * 4
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}
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result = SimulateMLFQ(procs, ts)
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} else {
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ts := 2
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if req.TimeSlice > 0 {
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ts = req.TimeSlice
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}
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result = SimulatePriorityRR(procs, ts)
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(result)
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}
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