完成Bitsflow家人云的迁移工作

This commit is contained in:
zeaslity
2025-12-08 08:56:23 +08:00
parent 9d93a1ee6e
commit dcc8afffba
19 changed files with 1515 additions and 404 deletions

View File

@@ -0,0 +1,730 @@
package main
import (
"encoding/json"
"flag"
"fmt"
"log"
"net"
"os"
"strings"
"sync"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv4"
)
// ============ 通用数据结构 ============
type TestPacket struct {
SeqNum uint64
Timestamp int64
Type string // "tcp", "udp", "ping"
Data []byte
}
type Stats struct {
PacketsReceived uint64
PacketsLost uint64
LastSeqNum uint64
RTTSamples []time.Duration
}
type Metrics struct {
PacketsSent uint64
PacketsReceived uint64
PacketsLost uint64
RTTSamples []time.Duration
MinRTT time.Duration
MaxRTT time.Duration
AvgRTT time.Duration
Jitter time.Duration
}
type TestReport struct {
Timestamp time.Time
TestDuration time.Duration
TargetHost string
TCPMetrics *Metrics
UDPMetrics *Metrics
TracerouteHops []HopInfo
}
type HopInfo struct {
TTL int
Address string
RTT time.Duration
}
// ============ 服务端实现 ============
type NetworkServer struct {
tcpAddr string
udpAddr string
tcpStats *Stats
udpStats *Stats
statsLock sync.RWMutex
}
func NewNetworkServer(tcpPort, udpPort int) *NetworkServer {
return &NetworkServer{
tcpAddr: fmt.Sprintf(":%d", tcpPort),
udpAddr: fmt.Sprintf(":%d", udpPort),
tcpStats: &Stats{},
udpStats: &Stats{},
}
}
func (ns *NetworkServer) Start() {
log.Printf("========== 网络质量检测服务端 ==========")
log.Printf("TCP监听端口: %s", ns.tcpAddr)
log.Printf("UDP监听端口: %s", ns.udpAddr)
log.Printf("服务器已启动,等待客户端连接...")
log.Printf("========================================\n")
// 启动TCP服务器
go ns.serveTCP()
// 启动UDP服务器
go ns.serveUDP()
select {}
}
func (ns *NetworkServer) serveTCP() {
listener, err := net.Listen("tcp", ns.tcpAddr)
if err != nil {
log.Fatalf("TCP监听失败: %v", err)
}
defer listener.Close()
for {
conn, err := listener.Accept()
if err != nil {
log.Printf("TCP连接接受错误: %v", err)
continue
}
go ns.handleTCPConnection(conn)
}
}
func (ns *NetworkServer) handleTCPConnection(conn net.Conn) {
defer conn.Close()
log.Printf("[TCP] 新连接来自 %s", conn.RemoteAddr())
buf := make([]byte, 8192)
for {
n, err := conn.Read(buf)
if err != nil {
log.Printf("[TCP] 连接 %s 断开", conn.RemoteAddr())
return
}
var packet TestPacket
if err := json.Unmarshal(buf[:n], &packet); err != nil {
continue
}
receiveTime := time.Now().UnixNano()
ns.updateStats(ns.tcpStats, packet.SeqNum)
// 立即回显数据包
response := TestPacket{
SeqNum: packet.SeqNum,
Timestamp: receiveTime,
Type: "tcp_response",
Data: packet.Data,
}
data, _ := json.Marshal(response)
conn.Write(data)
}
}
func (ns *NetworkServer) serveUDP() {
addr, err := net.ResolveUDPAddr("udp", ns.udpAddr)
if err != nil {
log.Fatalf("UDP地址解析失败: %v", err)
}
conn, err := net.ListenUDP("udp", addr)
if err != nil {
log.Fatalf("UDP监听失败: %v", err)
}
defer conn.Close()
log.Printf("[UDP] 监听在 %s", ns.udpAddr)
buf := make([]byte, 8192)
for {
n, remoteAddr, err := conn.ReadFromUDP(buf)
if err != nil {
log.Printf("UDP读取错误: %v", err)
continue
}
var packet TestPacket
if err := json.Unmarshal(buf[:n], &packet); err != nil {
continue
}
receiveTime := time.Now().UnixNano()
ns.updateStats(ns.udpStats, packet.SeqNum)
// 回显UDP数据包
response := TestPacket{
SeqNum: packet.SeqNum,
Timestamp: receiveTime,
Type: "udp_response",
Data: packet.Data,
}
data, _ := json.Marshal(response)
conn.WriteToUDP(data, remoteAddr)
}
}
func (ns *NetworkServer) updateStats(stats *Stats, seqNum uint64) {
ns.statsLock.Lock()
defer ns.statsLock.Unlock()
stats.PacketsReceived++
if seqNum > stats.LastSeqNum+1 {
stats.PacketsLost += seqNum - stats.LastSeqNum - 1
}
stats.LastSeqNum = seqNum
}
// ============ 客户端实现 ============
type NetworkClient struct {
targetHost string
tcpPort int
udpPort int
testDuration time.Duration
packetSize int
reportFile string
tcpMetrics *Metrics
udpMetrics *Metrics
mu sync.Mutex
}
func NewNetworkClient(host string, tcpPort, udpPort int, duration time.Duration) *NetworkClient {
return &NetworkClient{
targetHost: host,
tcpPort: tcpPort,
udpPort: udpPort,
testDuration: duration,
packetSize: 1024,
reportFile: "network_quality_report.json",
tcpMetrics: &Metrics{MinRTT: time.Hour},
udpMetrics: &Metrics{MinRTT: time.Hour},
}
}
func (nc *NetworkClient) testTCPLatency() error {
addr := fmt.Sprintf("%s:%d", nc.targetHost, nc.tcpPort)
conn, err := net.DialTimeout("tcp", addr, 5*time.Second)
if err != nil {
return fmt.Errorf("TCP连接失败: %v", err)
}
defer conn.Close()
log.Printf("[TCP] 开始延迟测试 -> %s", addr)
var seqNum uint64
deadline := time.Now().Add(nc.testDuration)
for time.Now().Before(deadline) {
seqNum++
packet := TestPacket{
SeqNum: seqNum,
Timestamp: time.Now().UnixNano(),
Type: "tcp_probe",
Data: make([]byte, nc.packetSize),
}
sendTime := time.Now()
data, _ := json.Marshal(packet)
if _, err := conn.Write(data); err != nil {
nc.mu.Lock()
nc.tcpMetrics.PacketsLost++
nc.mu.Unlock()
continue
}
nc.mu.Lock()
nc.tcpMetrics.PacketsSent++
nc.mu.Unlock()
buf := make([]byte, 8192)
conn.SetReadDeadline(time.Now().Add(2 * time.Second))
_, err := conn.Read(buf)
if err != nil {
nc.mu.Lock()
nc.tcpMetrics.PacketsLost++
nc.mu.Unlock()
continue
}
rtt := time.Since(sendTime)
nc.updateTCPMetrics(rtt)
time.Sleep(100 * time.Millisecond)
}
log.Printf("[TCP] 测试完成")
return nil
}
func (nc *NetworkClient) testUDPLatency() error {
addr := fmt.Sprintf("%s:%d", nc.targetHost, nc.udpPort)
raddr, err := net.ResolveUDPAddr("udp", addr)
if err != nil {
return fmt.Errorf("UDP地址解析失败: %v", err)
}
conn, err := net.DialUDP("udp", nil, raddr)
if err != nil {
return fmt.Errorf("UDP连接失败: %v", err)
}
defer conn.Close()
log.Printf("[UDP] 开始延迟测试 -> %s", addr)
var seqNum uint64
deadline := time.Now().Add(nc.testDuration)
sentPackets := make(map[uint64]time.Time)
var wg sync.WaitGroup
// 发送协程
wg.Add(1)
go func() {
defer wg.Done()
for time.Now().Before(deadline) {
seqNum++
packet := TestPacket{
SeqNum: seqNum,
Timestamp: time.Now().UnixNano(),
Type: "udp_probe",
Data: make([]byte, nc.packetSize),
}
sendTime := time.Now()
nc.mu.Lock()
sentPackets[seqNum] = sendTime
nc.mu.Unlock()
data, _ := json.Marshal(packet)
conn.Write(data)
nc.mu.Lock()
nc.udpMetrics.PacketsSent++
nc.mu.Unlock()
time.Sleep(100 * time.Millisecond)
}
}()
// 接收协程
buf := make([]byte, 8192)
for time.Now().Before(deadline.Add(3 * time.Second)) {
conn.SetReadDeadline(time.Now().Add(1 * time.Second))
n, err := conn.Read(buf)
if err != nil {
continue
}
var response TestPacket
if err := json.Unmarshal(buf[:n], &response); err != nil {
continue
}
nc.mu.Lock()
if sendTime, ok := sentPackets[response.SeqNum]; ok {
rtt := time.Since(sendTime)
nc.updateUDPMetrics(rtt)
delete(sentPackets, response.SeqNum)
}
nc.mu.Unlock()
}
wg.Wait()
nc.mu.Lock()
nc.udpMetrics.PacketsLost = uint64(len(sentPackets))
nc.mu.Unlock()
log.Printf("[UDP] 测试完成")
return nil
}
func (nc *NetworkClient) performTraceroute() ([]HopInfo, error) {
log.Printf("[Traceroute] 路由追踪到 %s", nc.targetHost)
hops := make([]HopInfo, 0, 30)
maxTTL := 30
timeout := 2 * time.Second
for ttl := 1; ttl <= maxTTL; ttl++ {
hopInfo, reached, err := nc.probeHop(ttl, timeout)
if err != nil {
continue
}
hops = append(hops, hopInfo)
if hopInfo.Address != "*" {
log.Printf(" %2d %-15s %.2fms", ttl, hopInfo.Address,
float64(hopInfo.RTT.Microseconds())/1000.0)
} else {
log.Printf(" %2d *", ttl)
}
if reached {
break
}
}
return hops, nil
}
func (nc *NetworkClient) probeHop(ttl int, timeout time.Duration) (HopInfo, bool, error) {
conn, err := icmp.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
return HopInfo{}, false, err
}
defer conn.Close()
if err := conn.IPv4PacketConn().SetTTL(ttl); err != nil {
return HopInfo{}, false, err
}
msg := icmp.Message{
Type: ipv4.ICMPTypeEcho,
Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Seq: ttl,
Data: []byte("TRACEROUTE"),
},
}
msgBytes, err := msg.Marshal(nil)
if err != nil {
return HopInfo{}, false, err
}
dst, err := net.ResolveIPAddr("ip4", nc.targetHost)
if err != nil {
return HopInfo{}, false, err
}
start := time.Now()
if _, err := conn.WriteTo(msgBytes, dst); err != nil {
return HopInfo{}, false, err
}
reply := make([]byte, 1500)
conn.SetReadDeadline(time.Now().Add(timeout))
_, peer, err := conn.ReadFrom(reply)
rtt := time.Since(start)
if err != nil {
return HopInfo{TTL: ttl, Address: "*", RTT: 0}, false, nil
}
hopAddr := peer.String()
reachedTarget := (hopAddr == dst.String())
return HopInfo{
TTL: ttl,
Address: hopAddr,
RTT: rtt,
}, reachedTarget, nil
}
func (nc *NetworkClient) updateTCPMetrics(rtt time.Duration) {
nc.mu.Lock()
defer nc.mu.Unlock()
nc.tcpMetrics.PacketsReceived++
nc.tcpMetrics.RTTSamples = append(nc.tcpMetrics.RTTSamples, rtt)
if rtt < nc.tcpMetrics.MinRTT {
nc.tcpMetrics.MinRTT = rtt
}
if rtt > nc.tcpMetrics.MaxRTT {
nc.tcpMetrics.MaxRTT = rtt
}
}
func (nc *NetworkClient) updateUDPMetrics(rtt time.Duration) {
nc.udpMetrics.PacketsReceived++
nc.udpMetrics.RTTSamples = append(nc.udpMetrics.RTTSamples, rtt)
if rtt < nc.udpMetrics.MinRTT {
nc.udpMetrics.MinRTT = rtt
}
if rtt > nc.udpMetrics.MaxRTT {
nc.udpMetrics.MaxRTT = rtt
}
}
func (nc *NetworkClient) calculateMetrics() {
// 计算TCP平均RTT和抖动
if len(nc.tcpMetrics.RTTSamples) > 0 {
var sum time.Duration
for _, rtt := range nc.tcpMetrics.RTTSamples {
sum += rtt
}
nc.tcpMetrics.AvgRTT = sum / time.Duration(len(nc.tcpMetrics.RTTSamples))
var jitterSum time.Duration
for i := 1; i < len(nc.tcpMetrics.RTTSamples); i++ {
diff := nc.tcpMetrics.RTTSamples[i] - nc.tcpMetrics.RTTSamples[i-1]
if diff < 0 {
diff = -diff
}
jitterSum += diff
}
if len(nc.tcpMetrics.RTTSamples) > 1 {
nc.tcpMetrics.Jitter = jitterSum / time.Duration(len(nc.tcpMetrics.RTTSamples)-1)
}
}
// 计算UDP平均RTT和抖动
if len(nc.udpMetrics.RTTSamples) > 0 {
var sum time.Duration
for _, rtt := range nc.udpMetrics.RTTSamples {
sum += rtt
}
nc.udpMetrics.AvgRTT = sum / time.Duration(len(nc.udpMetrics.RTTSamples))
var jitterSum time.Duration
for i := 1; i < len(nc.udpMetrics.RTTSamples); i++ {
diff := nc.udpMetrics.RTTSamples[i] - nc.udpMetrics.RTTSamples[i-1]
if diff < 0 {
diff = -diff
}
jitterSum += diff
}
if len(nc.udpMetrics.RTTSamples) > 1 {
nc.udpMetrics.Jitter = jitterSum / time.Duration(len(nc.udpMetrics.RTTSamples)-1)
}
}
}
func (nc *NetworkClient) generateReport(hops []HopInfo) error {
nc.calculateMetrics()
report := TestReport{
Timestamp: time.Now(),
TestDuration: nc.testDuration,
TargetHost: nc.targetHost,
TCPMetrics: nc.tcpMetrics,
UDPMetrics: nc.udpMetrics,
TracerouteHops: hops,
}
// 将报告序列化为JSON单行不格式化
data, err := json.Marshal(report)
if err != nil {
return err
}
// 以追加模式打开文件,如果不存在则创建
file, err := os.OpenFile(nc.reportFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
return fmt.Errorf("打开报告文件失败: %v", err)
}
defer file.Close()
// 写入JSON数据并添加换行符JSON Lines格式
if _, err := file.Write(data); err != nil {
return fmt.Errorf("写入报告数据失败: %v", err)
}
if _, err := file.WriteString("\n"); err != nil {
return fmt.Errorf("写入换行符失败: %v", err)
}
log.Printf("测试报告已追加至: %s", nc.reportFile)
nc.printReport(&report)
return nil
}
func (nc *NetworkClient) printReport(report *TestReport) {
fmt.Println("\n" + strings.Repeat("=", 50))
fmt.Println(" 网络质量检测报告")
fmt.Println(strings.Repeat("=", 50))
fmt.Printf("测试时间: %s\n", report.Timestamp.Format("2006-01-02 15:04:05"))
fmt.Printf("目标主机: %s\n", report.TargetHost)
fmt.Printf("测试时长: %v\n", report.TestDuration)
fmt.Println(strings.Repeat("-", 50))
fmt.Println("\n【TCP 测试结果】")
fmt.Printf(" 发送包数: %d\n", report.TCPMetrics.PacketsSent)
fmt.Printf(" 接收包数: %d\n", report.TCPMetrics.PacketsReceived)
if report.TCPMetrics.PacketsSent > 0 {
lossRate := float64(report.TCPMetrics.PacketsLost) / float64(report.TCPMetrics.PacketsSent) * 100
fmt.Printf(" 丢包数量: %d (丢包率: %.2f%%)\n", report.TCPMetrics.PacketsLost, lossRate)
}
if report.TCPMetrics.MinRTT < time.Hour {
fmt.Printf(" 最小RTT: %v\n", report.TCPMetrics.MinRTT)
fmt.Printf(" 平均RTT: %v\n", report.TCPMetrics.AvgRTT)
fmt.Printf(" 最大RTT: %v\n", report.TCPMetrics.MaxRTT)
fmt.Printf(" 抖动: %v\n", report.TCPMetrics.Jitter)
}
fmt.Println("\n【UDP 测试结果】")
fmt.Printf(" 发送包数: %d\n", report.UDPMetrics.PacketsSent)
fmt.Printf(" 接收包数: %d\n", report.UDPMetrics.PacketsReceived)
if report.UDPMetrics.PacketsSent > 0 {
lossRate := float64(report.UDPMetrics.PacketsLost) / float64(report.UDPMetrics.PacketsSent) * 100
fmt.Printf(" 丢包数量: %d (丢包率: %.2f%%)\n", report.UDPMetrics.PacketsLost, lossRate)
}
if report.UDPMetrics.MinRTT < time.Hour {
fmt.Printf(" 最小RTT: %v\n", report.UDPMetrics.MinRTT)
fmt.Printf(" 平均RTT: %v\n", report.UDPMetrics.AvgRTT)
fmt.Printf(" 最大RTT: %v\n", report.UDPMetrics.MaxRTT)
fmt.Printf(" 抖动: %v\n", report.UDPMetrics.Jitter)
}
fmt.Println(strings.Repeat("=", 50))
fmt.Printf("报告已保存至: %s\n\n", nc.reportFile)
}
func (nc *NetworkClient) RunScheduledTests(interval time.Duration) {
ticker := time.NewTicker(interval)
defer ticker.Stop()
for {
log.Printf("\n========== 开始定时测试 [%s] ==========",
time.Now().Format("2006-01-02 15:04:05"))
// 执行TCP测试
if err := nc.testTCPLatency(); err != nil {
log.Printf("TCP测试错误: %v", err)
}
// 重置UDP指标
nc.mu.Lock()
nc.udpMetrics = &Metrics{MinRTT: time.Hour}
nc.mu.Unlock()
// 执行UDP测试
if err := nc.testUDPLatency(); err != nil {
log.Printf("UDP测试错误: %v", err)
}
// 执行Traceroute
hops, err := nc.performTraceroute()
if err != nil {
log.Printf("Traceroute错误: %v", err)
}
// 生成报告
if err := nc.generateReport(hops); err != nil {
log.Printf("报告生成错误: %v", err)
}
// 重置TCP指标准备下一轮
nc.mu.Lock()
nc.tcpMetrics = &Metrics{MinRTT: time.Hour}
nc.mu.Unlock()
log.Printf("========== 测试完成,等待下一轮 ==========\n")
<-ticker.C
}
}
// ============ 主程序 ============
func main() {
// 定义命令行参数
var (
mode = flag.String("mode", "", "运行模式: server(服务端) 或 client(客户端)")
tcpPort = flag.Int("tcp", 9001, "TCP测试端口")
udpPort = flag.Int("udp", 9002, "UDP测试端口")
targetHost = flag.String("target", "", "目标主机地址(客户端模式必需)")
testDuration = flag.Int("duration", 60, "单次测试时长(秒)")
interval = flag.Int("interval", 3600, "定时测试间隔(秒), 0表示只执行一次")
)
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "\n网络质量检测工具\n\n")
fmt.Fprintf(os.Stderr, "用法:\n")
fmt.Fprintf(os.Stderr, " 服务端模式: %s -mode server [-tcp 端口] [-udp 端口]\n", os.Args[0])
fmt.Fprintf(os.Stderr, " 客户端模式: %s -mode client -target 目标IP [-tcp 端口] [-udp 端口] [-duration 秒] [-interval 秒]\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, "参数说明:\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr, "\n示例:\n")
fmt.Fprintf(os.Stderr, " # 启动服务端,使用默认端口\n")
fmt.Fprintf(os.Stderr, " %s -mode server\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, " # 启动服务端,自定义端口\n")
fmt.Fprintf(os.Stderr, " %s -mode server -tcp 8001 -udp 8002\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, " # 启动客户端单次测试60秒\n")
fmt.Fprintf(os.Stderr, " %s -mode client -target 192.168.1.100 -duration 60 -interval 0\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, " # 启动客户端,每小时测试一次\n")
fmt.Fprintf(os.Stderr, " %s -mode client -target 192.168.1.100 -interval 3600\n\n", os.Args[0])
}
flag.Parse()
// 验证参数
if *mode == "" {
fmt.Fprintf(os.Stderr, "错误: 必须指定运行模式 -mode server 或 -mode client\n\n")
flag.Usage()
os.Exit(1)
}
switch *mode {
case "server":
// 服务端模式
server := NewNetworkServer(*tcpPort, *udpPort)
server.Start()
case "client":
// 客户端模式
if *targetHost == "" {
fmt.Fprintf(os.Stderr, "错误: 客户端模式必须指定 -target 参数\n\n")
flag.Usage()
os.Exit(1)
}
client := NewNetworkClient(*targetHost, *tcpPort, *udpPort, time.Duration(*testDuration)*time.Second)
if *interval == 0 {
// 单次执行
log.Printf("开始单次网络质量测试...")
if err := client.testTCPLatency(); err != nil {
log.Printf("TCP测试错误: %v", err)
}
if err := client.testUDPLatency(); err != nil {
log.Printf("UDP测试错误: %v", err)
}
hops, err := client.performTraceroute()
if err != nil {
log.Printf("Traceroute错误: %v", err)
}
if err := client.generateReport(hops); err != nil {
log.Printf("报告生成错误: %v", err)
}
} else {
// 定时执行
log.Printf("开始定时网络质量监控,间隔: %d秒", *interval)
client.RunScheduledTests(time.Duration(*interval) * time.Second)
}
default:
fmt.Fprintf(os.Stderr, "错误: 无效的运行模式 '%s',必须是 'server' 或 'client'\n\n", *mode)
flag.Usage()
os.Exit(1)
}
}