| 1 | + | package signal |
| 2 | + | |
| 3 | + | import ( |
| 4 | + | "context" |
| 5 | + | "sync" |
| 6 | + | |
| 7 | + | "github.com/DVKunion/SeaMoon/pkg/api/enum" |
| 8 | + | "github.com/DVKunion/SeaMoon/pkg/api/service" |
| 9 | + | "github.com/DVKunion/SeaMoon/pkg/listener" |
| 10 | + | "github.com/DVKunion/SeaMoon/pkg/system/xlog" |
| 11 | + | ) |
| 12 | + | |
| 13 | + | func (sb *Bus) proxyHandler(ctx context.Context, pys *proxySignal) { |
| 14 | + | // proxy sync change task |
| 15 | + | // 如果是需要同步的,记得释放锁 |
| 16 | + | defer func() { |
| 17 | + | if pys.wg != nil { |
| 18 | + | pys.wg.Done() |
| 19 | + | } |
| 20 | + | }() |
| 21 | + | proxy, err := service.SVC.GetProxyById(ctx, pys.id) |
| 22 | + | if err != nil { |
| 23 | + | xlog.Error(xlog.SignalGetObjError, "obj", "proxy", "err", err) |
| 24 | + | service.SVC.UpdateProxyStatus(ctx, pys.id, enum.ProxyStatusError, err.Error()) |
| 25 | + | return |
| 26 | + | } |
| 27 | + | // 缓冲逻辑:状态没改变时候,不需要处理 |
| 28 | + | if proxy.Status == &pys.next { |
| 29 | + | xlog.Warn(xlog.SignalMissOperationWarn, "id", pys.id, "type", "proxy", "status", pys.next) |
| 30 | + | return |
| 31 | + | } |
| 32 | + | service.SVC.UpdateProxyStatus(ctx, pys.id, pys.next, "") |
| 33 | + | switch pys.next { |
| 34 | + | case enum.ProxyStatusActive, enum.ProxyStatusRecover: |
| 35 | + | sigCtx, cancel := context.WithCancel(ctx) |
| 36 | + | if server, err := listener.TCPListen(sigCtx, proxy); err != nil { |
| 37 | + | xlog.Error(xlog.SignalListenerError, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr(), "err", err) |
| 38 | + | service.SVC.UpdateProxyStatus(ctx, pys.id, enum.ProxyStatusError, err.Error()) |
| 39 | + | cancel() |
| 40 | + | return |
| 41 | + | } else { |
| 42 | + | sb.canceler[pys.id] = cancel |
| 43 | + | sb.listener[pys.id] = server |
| 44 | + | } |
| 45 | + | xlog.Info(xlog.SignalStartProxy, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr()) |
| 46 | + | service.SVC.UpdateProxyStatus(ctx, proxy.ID, enum.ProxyStatusActive, "") |
| 47 | + | case enum.ProxyStatusInactive: |
| 48 | + | if cancel, ok := sb.canceler[pys.id]; ok { |
| 49 | + | // 先调一下 cancel |
| 50 | + | cancel() |
| 51 | + | if ln, exist := sb.listener[pys.id]; exist { |
| 52 | + | // 尝试着去停一下 ln, 防止泄漏 |
| 53 | + | err := ln.Close() |
| 54 | + | if err != nil { |
| 55 | + | // 错了就错了吧,说明 ctx 挂了一般 goroutines 也跟着挂了 |
| 56 | + | xlog.Error(xlog.SignalListenerError, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr(), "err", err) |
| 57 | + | } |
| 58 | + | } |
| 59 | + | } |
| 60 | + | xlog.Info(xlog.SignalStopProxy, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr()) |
| 61 | + | case enum.ProxyStatusDelete: |
| 62 | + | // 先同步停止服务 |
| 63 | + | wg := &sync.WaitGroup{} |
| 64 | + | wg.Add(1) |
| 65 | + | sb.SendProxySignal(pys.id, enum.ProxyStatusInactive, wg) |
| 66 | + | wg.Wait() |
| 67 | + | // 最后删除数据 |
| 68 | + | if err = service.SVC.SpeedProxy(ctx, proxy); err != nil { |
| 69 | + | xlog.Error(xlog.SignalSpeedProxyError, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr(), "err", err) |
| 70 | + | service.SVC.UpdateProxyStatus(ctx, proxy.ID, enum.ProxyStatusError, err.Error()) |
| 71 | + | return |
| 72 | + | } |
| 73 | + | xlog.Info(xlog.SignalDeleteProxy, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr()) |
| 74 | + | case enum.ProxyStatusSpeeding: |
| 75 | + | if err = service.SVC.SpeedProxy(ctx, proxy); err != nil { |
| 76 | + | xlog.Error(xlog.SignalSpeedProxyError, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr(), "err", err) |
| 77 | + | service.SVC.UpdateProxyStatus(ctx, proxy.ID, enum.ProxyStatusError, err.Error()) |
| 78 | + | return |
| 79 | + | } |
| 80 | + | xlog.Info(xlog.SignalSpeedProxy, "id", pys.id, "type", proxy.Type, "addr", proxy.Addr()) |
| 81 | + | service.SVC.UpdateProxyStatus(ctx, proxy.ID, enum.ProxyStatusActive, "") |
| 82 | + | } |
| 83 | + | } |
| 84 | + | |
| 85 | + | func (sb *Bus) providerHandler(ctx context.Context, prs *providerSignal) { |
| 86 | + | // proxy sync change task |
| 87 | + | // 如果是需要同步的,记得释放锁 |
| 88 | + | defer func() { |
| 89 | + | if prs.wg != nil { |
| 90 | + | prs.wg.Done() |
| 91 | + | } |
| 92 | + | }() |
| 93 | + | provider, err := service.SVC.GetProviderById(ctx, prs.id) |
| 94 | + | if err != nil { |
| 95 | + | xlog.Error(xlog.SignalGetObjError, "obj", "provider", "err", err) |
| 96 | + | service.SVC.UpdateProviderStatus(ctx, prs.id, enum.ProvStatusFailed, err.Error()) |
| 97 | + | return |
| 98 | + | } |
| 99 | + | // 缓冲逻辑:状态没改变时候,不需要处理 |
| 100 | + | if provider.Status == &prs.next { |
| 101 | + | xlog.Warn(xlog.SignalMissOperationWarn, "id", prs.id, "type", "provider", "status", prs.next) |
| 102 | + | return |
| 103 | + | } |
| 104 | + | service.SVC.UpdateProviderStatus(ctx, provider.ID, prs.next, "") |
| 105 | + | switch prs.next { |
| 106 | + | case enum.ProvStatusSync: |
| 107 | + | if err = service.SVC.SyncProvider(ctx, provider); err != nil { |
| 108 | + | xlog.Error(xlog.SignalSyncProviderError, "obj", "provider", "err", err) |
| 109 | + | service.SVC.UpdateProviderStatus(ctx, provider.ID, enum.ProvStatusSyncError, err.Error()) |
| 110 | + | return |
| 111 | + | } |
| 112 | + | xlog.Info(xlog.SignalSyncProvider, "id", provider.ID, "type", provider.Type) |
| 113 | + | service.SVC.UpdateProviderStatus(ctx, provider.ID, enum.ProvStatusSuccess, "") |
| 114 | + | case enum.ProvStatusDelete: |
| 115 | + | wg := &sync.WaitGroup{} |
| 116 | + | for _, tun := range provider.Tunnels { |
| 117 | + | wg.Add(1) |
| 118 | + | sb.SendTunnelSignal(tun.ID, enum.TunnelDelete, wg) |
| 119 | + | } |
| 120 | + | wg.Wait() |
| 121 | + | // 然后删除数据 |
| 122 | + | if err = service.SVC.DeleteProvider(ctx, provider.ID); err != nil { |
| 123 | + | xlog.Error(xlog.SignalSyncProviderError, "obj", "provider", "err", err) |
| 124 | + | service.SVC.UpdateProviderStatus(ctx, provider.ID, enum.ProvStatusSyncError, err.Error()) |
| 125 | + | return |
| 126 | + | } |
| 127 | + | xlog.Info(xlog.SignalDeleteProvider, "id", provider.ID, "type", provider.Type) |
| 128 | + | } |
| 129 | + | } |
| 130 | + | |
| 131 | + | func (sb *Bus) tunnelHandler(ctx context.Context, ts *tunnelSignal) { |
| 132 | + | // proxy sync change task |
| 133 | + | // 如果是需要同步的,记得释放锁 |
| 134 | + | defer func() { |
| 135 | + | if ts.wg != nil { |
| 136 | + | ts.wg.Done() |
| 137 | + | } |
| 138 | + | }() |
| 139 | + | tun, err := service.SVC.GetTunnelById(ctx, ts.id) |
| 140 | + | if err != nil { |
| 141 | + | xlog.Error(xlog.SignalGetObjError, "obj", "tunnel", "err", err) |
| 142 | + | service.SVC.UpdateTunnelStatus(ctx, ts.id, enum.TunnelError, err.Error()) |
| 143 | + | return |
| 144 | + | } |
| 145 | + | // 缓冲逻辑:状态没改变时候,不需要处理 |
| 146 | + | if tun.Status == &ts.next { |
| 147 | + | xlog.Warn(xlog.SignalMissOperationWarn, "id", ts.id, "type", "tunnel", "status", ts.next) |
| 148 | + | return |
| 149 | + | } |
| 150 | + | service.SVC.UpdateTunnelStatus(ctx, tun.ID, ts.next, "") |
| 151 | + | switch ts.next { |
| 152 | + | case enum.TunnelActive: |
| 153 | + | if addr, err := service.SVC.DeployTunnel(ctx, tun); err != nil { |
| 154 | + | xlog.Error(xlog.SignalDeployTunError, "obj", "tunnel", "err", err) |
| 155 | + | service.SVC.UpdateTunnelStatus(ctx, tun.ID, enum.TunnelError, err.Error()) |
| 156 | + | return |
| 157 | + | } else { |
| 158 | + | service.SVC.UpdateTunnelAddr(ctx, tun.ID, addr) |
| 159 | + | } |
| 160 | + | xlog.Info(xlog.SignalDeployTunnel, "id", tun.ID, "type", tun.Type) |
| 161 | + | case enum.TunnelInactive: |
| 162 | + | if err := service.SVC.StopTunnel(ctx, tun); err != nil { |
| 163 | + | xlog.Error(xlog.SignalStopTunError, "obj", "tunnel", "err", err) |
| 164 | + | service.SVC.UpdateTunnelStatus(ctx, tun.ID, enum.TunnelError, err.Error()) |
| 165 | + | return |
| 166 | + | } |
| 167 | + | xlog.Info(xlog.SignalStopTunnel, "id", tun.ID, "type", tun.Type) |
| 168 | + | case enum.TunnelDelete: |
| 169 | + | // 先停掉本地的服务 |
| 170 | + | wg := &sync.WaitGroup{} |
| 171 | + | for _, py := range tun.Proxies { |
| 172 | + | wg.Add(1) |
| 173 | + | sb.SendProxySignal(py.ID, enum.ProxyStatusDelete, wg) |
| 174 | + | } |
| 175 | + | wg.Wait() |
| 176 | + | wg = &sync.WaitGroup{} |
| 177 | + | // 再停掉远端的服务 |
| 178 | + | wg.Add(1) |
| 179 | + | sb.SendTunnelSignal(tun.ID, enum.TunnelInactive, wg) |
| 180 | + | wg.Wait() |
| 181 | + | // 最后删除服务即可 |
| 182 | + | if err := service.SVC.DeleteTunnel(ctx, tun.ID); err != nil { |
| 183 | + | xlog.Error(xlog.SignalDeleteTunError, "obj", "tunnel", "err", err) |
| 184 | + | service.SVC.UpdateTunnelStatus(ctx, tun.ID, enum.TunnelError, err.Error()) |
| 185 | + | return |
| 186 | + | } |
| 187 | + | xlog.Info(xlog.SignalDeleteTunnel, "id", tun.ID, "type", tun.Type) |
| 188 | + | } |
| 189 | + | } |
| 190 | + | |