mirror of
https://github.com/gowvp/gb28181.git
synced 2026-04-22 23:17:19 +08:00
xugo
349 lines
12 KiB
Go
Executable File
349 lines
12 KiB
Go
Executable File
// Code generated by godddx, DO AVOID EDIT.
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package api
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import (
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"fmt"
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"io"
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"log/slog"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/gowvp/gb28181/internal/core/bz"
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"github.com/gowvp/gb28181/internal/core/gb28181"
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"github.com/gowvp/gb28181/internal/core/push"
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"github.com/gowvp/gb28181/internal/core/sms"
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"github.com/gowvp/gb28181/pkg/zlm"
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"github.com/ixugo/goddd/domain/uniqueid"
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"github.com/ixugo/goddd/pkg/hook"
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"github.com/ixugo/goddd/pkg/orm"
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"github.com/ixugo/goddd/pkg/reason"
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"github.com/ixugo/goddd/pkg/web"
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)
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var ErrDevice = reason.NewError("ErrDevice", "设备错误")
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const (
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coverDir = "cover"
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)
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// TODO: 快照不会删除，只会覆盖，设备删除时也不会删除快照，待实现
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func writeCover(dataDir, channelID string, body []byte) error {
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coverPath := filepath.Join(dataDir, coverDir)
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os.MkdirAll(coverPath, 0o755)
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return os.WriteFile(filepath.Join(coverPath, channelID+".jpg"), body, 0o644)
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}
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func readCoverPath(dataDir, channelID string) string {
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coverPath := filepath.Join(dataDir, coverDir)
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return filepath.Join(coverPath, channelID+".jpg")
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}
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func readCover(dataDir, channelID string) ([]byte, error) {
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return os.ReadFile(readCoverPath(dataDir, channelID))
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}
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type GB28181API struct {
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gb28181Core gb28181.Core
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uc *Usecase
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}
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func NewGB28181API(core gb28181.Core) GB28181API {
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return GB28181API{gb28181Core: core}
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}
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func NewGB28181Core(store gb28181.Storer, uni uniqueid.Core) gb28181.Core {
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return gb28181.NewCore(store, uni)
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}
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func registerGB28181(g gin.IRouter, api GB28181API, handler ...gin.HandlerFunc) {
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g.Any("/gb28181/snapshot", func(c *gin.Context) {
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b, err := io.ReadAll(c.Request.Body)
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if err != nil {
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panic(err)
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}
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os.WriteFile(orm.GenerateRandomString(10)+".jpg", b, 0o644)
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c.JSON(200, gin.H{"msg": "ok"})
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})
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{
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group := g.Group("/devices", handler...)
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group.GET("", web.WrapH(api.findDevice)) // 设备列表
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group.GET("/:id", web.WrapH(api.getDevice)) // 设备详情
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group.PUT("/:id", web.WrapH(api.editDevice)) // 修改设备详情
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group.POST("", web.WrapH(api.addDevice)) // 添加设备
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group.DELETE("/:id", web.WrapH(api.delDevice)) // 删除设备
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group.POST("/:id/catalog", web.WrapH(api.queryCatalog)) // 刷新通道
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group.GET("/channels", web.WrapH(api.FindChannelsForDevice)) // 设备与通道列表
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}
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{
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group := g.Group("/channels", handler...)
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group.GET("", web.WrapH(api.findChannel))
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group.PUT("/:id", web.WrapH(api.editChannel))
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group.POST("/:id/play", web.WrapH(api.play))
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group.POST("/:id/snapshot", web.WrapH(api.refreshSnapshot)) // 图像抓拍
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group.GET("/:id/snapshot", api.getSnapshot) // 获取图像
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// group.GET("/:id", web.WrapH(api.getChannel))
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// group.POST("", web.WrapH(api.addChannel))
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// group.DELETE("/:id", web.WrapH(api.delChannel))
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}
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}
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// >>> device >>>>>>>>>>>>>>>>>>>>
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func (a GB28181API) findDevice(c *gin.Context, in *gb28181.FindDeviceInput) (any, error) {
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items, total, err := a.gb28181Core.FindDevice(c.Request.Context(), in)
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return gin.H{"items": items, "total": total}, err
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}
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func (a GB28181API) getDevice(c *gin.Context, _ *struct{}) (any, error) {
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deviceID := c.Param("id")
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return a.gb28181Core.GetDevice(c.Request.Context(), deviceID)
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}
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func (a GB28181API) editDevice(c *gin.Context, in *gb28181.EditDeviceInput) (any, error) {
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deviceID := c.Param("id")
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return a.gb28181Core.EditDevice(c.Request.Context(), in, deviceID)
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}
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func (a GB28181API) addDevice(c *gin.Context, in *gb28181.AddDeviceInput) (any, error) {
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return a.gb28181Core.AddDevice(c.Request.Context(), in)
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}
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func (a GB28181API) delDevice(c *gin.Context, _ *struct{}) (any, error) {
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did := c.Param("id")
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return a.gb28181Core.DelDevice(c.Request.Context(), did)
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}
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func (a GB28181API) queryCatalog(c *gin.Context, _ *struct{}) (any, error) {
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did := c.Param("id")
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if err := a.uc.SipServer.QueryCatalog(did); err != nil {
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return nil, ErrDevice.SetMsg(err.Error())
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}
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return gin.H{"msg": "ok"}, nil
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}
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func (a GB28181API) FindChannelsForDevice(c *gin.Context, in *gb28181.FindDeviceInput) (any, error) {
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items, total, err := a.gb28181Core.FindChannelsForDevice(c.Request.Context(), in)
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// 按照在线优先排序
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sort.SliceStable(items, func(i, j int) bool {
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return items[i].IsOnline && !items[j].IsOnline
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})
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return gin.H{"items": items, "total": total}, err
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}
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// >>> channel >>>>>>>>>>>>>>>>>>>>
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func (a GB28181API) findChannel(c *gin.Context, in *gb28181.FindChannelInput) (any, error) {
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items, total, err := a.gb28181Core.FindChannel(c.Request.Context(), in)
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return gin.H{"items": items, "total": total}, err
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}
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// func (a GB28181API) getChannel(c *gin.Context, _ *struct{}) (any, error) {
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// channelID := c.Param("id")
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// return a.gb28181Core.GetChannel(c.Request.Context(), channelID)
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// }
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func (a GB28181API) editChannel(c *gin.Context, in *gb28181.EditChannelInput) (any, error) {
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cid := c.Param("id")
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return a.gb28181Core.EditChannel(c.Request.Context(), in, cid)
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}
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// func (a GB28181API) addChannel(c *gin.Context, in *gb28181.AddChannelInput) (any, error) {
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// return a.gb28181Core.AddChannel(c.Request.Context(), in)
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// }
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// func (a GB28181API) delChannel(c *gin.Context, _ *struct{}) (any, error) {
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// channelID := c.Param("id")
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// return a.gb28181Core.DelChannel(c.Request.Context(), channelID)
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// }
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func (a GB28181API) play(c *gin.Context, _ *struct{}) (*playOutput, error) {
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channelID := c.Param("id")
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var app, appStream, host, stream, session, mediaServerID string
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// 国标逻辑
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if strings.HasPrefix(channelID, bz.IDPrefixGBChannel) {
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// 防止错误的配置，无法收到流
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if a.uc.Conf.Media.SDPIP == "127.0.0.1" {
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return nil, reason.ErrUsedLogic.SetMsg("请先配置流媒体 SDP 收流地址")
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}
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// a.uc.SipServer.
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ch, err := a.gb28181Core.GetChannel(c.Request.Context(), channelID)
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if err != nil {
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return nil, err
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}
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app = "rtp"
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appStream = ch.ID
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mediaServerID = sms.DefaultMediaServerID
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} else if strings.HasPrefix(channelID, bz.IDPrefixRTMP) {
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pu, err := a.uc.MediaAPI.pushCore.GetStreamPush(c.Request.Context(), channelID)
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if err != nil {
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return nil, err
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}
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if pu.Status != push.StatusPushing {
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return nil, reason.ErrNotFound.SetMsg("未推流")
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}
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app = pu.App
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appStream = pu.Stream
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mediaServerID = pu.MediaServerID
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if !pu.IsAuthDisabled && pu.Session != "" {
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session = "session=" + pu.Session
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}
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} else if strings.HasPrefix(channelID, bz.IDPrefixRTSP) {
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proxy, err := a.uc.ProxyAPI.proxyCore.GetStreamProxy(c.Request.Context(), channelID)
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if err != nil {
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return nil, err
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}
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app = proxy.App
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appStream = proxy.Stream
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mediaServerID = sms.DefaultMediaServerID
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} else {
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return nil, reason.ErrNotFound.SetMsg("不支持的播放通道")
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}
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svr, err := a.uc.SMSAPI.smsCore.GetMediaServer(c.Request.Context(), mediaServerID)
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if err != nil {
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return nil, err
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}
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stream = app + "/" + appStream
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host = c.Request.Host
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if l := strings.Split(c.Request.Host, ":"); len(l) == 2 {
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host = l[0]
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}
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httpPort := a.uc.Conf.Server.HTTP.Port
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// 播放规则
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// https://github.com/zlmediakit/ZLMediaKit/wiki/%E6%92%AD%E6%94%BEurl%E8%A7%84%E5%88%99
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out := playOutput{
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App: app,
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Stream: appStream,
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Items: []streamAddrItem{
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{
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Label: "默认线路",
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WSFLV: fmt.Sprintf("ws://%s:%d/proxy/sms/%s.live.flv", host, httpPort, stream) + "?" + session,
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HTTPFLV: fmt.Sprintf("http://%s:%d/proxy/sms/%s.live.flv", host, httpPort, stream) + "?" + session,
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RTMP: fmt.Sprintf("rtmp://%s:%d/%s", host, svr.Ports.RTMP, stream) + "?" + session,
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RTSP: fmt.Sprintf("rtsp://%s:%d/%s", host, svr.Ports.RTSP, stream) + "?" + session,
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WebRTC: fmt.Sprintf("webrtc://%s:%d/proxy/sms/index/api/webrtc?app=%s&stream=%s&type=play", host, httpPort, app, stream) + "&" + session,
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HLS: fmt.Sprintf("http://%s:%d/proxy/sms/%s/hls.fmp4.m3u8", host, httpPort, stream) + "?" + session,
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},
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// {
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// Label: "SSL 线路",
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// WSFLV: fmt.Sprintf("wss://%s:%d/%s.live.flv", host, svr.Ports.HTTP, stream) + session,
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// HTTPFLV: fmt.Sprintf("https://%s:%d/%s.live.flv", host, svr.Ports.HTTP, stream) + session,
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// RTMP: fmt.Sprintf("rtmps://%s:%d/%s", host, svr.Ports.RTMPs, stream) + session,
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// RTSP: fmt.Sprintf("rtsps://%s:%d/%s", host, svr.Ports.RTSPs, stream) + session,
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// WebRTC: fmt.Sprintf("webrtc://%s:%d/index/api/webrtc?app=%s&stream=%s&type=play", host, svr.Ports.HTTPS, app, stream) + "&" + session,
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// HLS: fmt.Sprintf("https://%s:%d/%s/hls.fmp4.m3u8", host, svr.Ports.HTTPS, stream) + "?" + session,
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// },
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},
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}
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prefix := c.Request.Header.Get("X-Forwarded-Prefix")
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if prefix != "" {
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wsPrefix := strings.Replace(strings.Replace(prefix, "https", "wss", 1), "http", "ws", 1)
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out.Items[0].WSFLV = fmt.Sprintf("%s/proxy/sms/%s.live.flv", wsPrefix, stream) + "?" + session
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out.Items[0].HTTPFLV = fmt.Sprintf("%s/proxy/sms/%s.live.flv", prefix, stream) + "?" + session
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out.Items[0].HLS = fmt.Sprintf("%s/proxy/sms/%s/hls.fmp4.m3u8", prefix, stream) + "?" + session
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rtcPrefix := strings.Replace(strings.Replace(prefix, "https", "webrtc", 1), "http", "webrtc", 1)
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out.Items[0].WebRTC = fmt.Sprintf("%s/proxy/sms/index/api/webrtc?app=%s&stream=%s&type=play", rtcPrefix, app, stream) + "&" + session
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host := c.Request.Header.Get("X-Forwarded-Host")
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if host != "" {
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out.Items[0].RTMP = fmt.Sprintf("rtmp://%s:%d/%s", host, svr.Ports.RTMP, stream) + "?" + session
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out.Items[0].RTSP = fmt.Sprintf("rtsp://%s:%d/%s", host, svr.Ports.RTSP, stream) + "?" + session
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}
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}
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// 取一张快照
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go func() {
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body, err := a.uc.SMSAPI.smsCore.GetSnapshot(svr, zlm.GetSnapRequest{
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URL: out.Items[0].RTSP,
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TimeoutSec: 10,
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ExpireSec: 15,
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})
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if err != nil {
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slog.ErrorContext(c.Request.Context(), "get snapshot", "err", err)
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} else {
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writeCover(a.uc.Conf.ConfigDir, channelID, body)
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}
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}()
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return &out, nil
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}
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type refreshSnapshotInput struct {
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// 指定获取多少秒内创建的快照
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WithinSeconds int64 `json:"within_seconds"`
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// 取快照的链接地址
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URL string `json:"url"`
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}
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func (a GB28181API) refreshSnapshot(c *gin.Context, in *refreshSnapshotInput) (any, error) {
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channelID := c.Param("id")
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path := readCoverPath(a.uc.Conf.ConfigDir, channelID)
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token := c.GetString("token")
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prefix := web.GetBaseURL(c.Request)
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if v := c.Request.Header.Get("X-Forwarded-Prefix"); v != "" {
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prefix = v
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}
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// 获取文件的修改时间
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fileInfo, err := os.Stat(path)
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if err == nil {
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if fileInfo.ModTime().Unix() > time.Now().Unix()-in.WithinSeconds {
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return gin.H{"link": fmt.Sprintf("%s/channels/%s/snapshot?token=%s", prefix, channelID, token)}, nil
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}
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}
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if in.URL != "" {
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svr, err := a.uc.SMSAPI.smsCore.GetMediaServer(c.Request.Context(), sms.DefaultMediaServerID)
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if err != nil {
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return nil, err
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}
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img, err := a.uc.SMSAPI.smsCore.GetSnapshot(svr, zlm.GetSnapRequest{
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URL: in.URL,
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TimeoutSec: 10,
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ExpireSec: 28800,
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})
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if err != nil {
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slog.ErrorContext(c.Request.Context(), "get snapshot", "err", err)
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// return nil, reason.ErrBadRequest.Msg(err.Error())
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} else {
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if hook.MD5FromBytes(img) != "" {
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writeCover(a.uc.Conf.ConfigDir, channelID, img)
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}
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}
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}
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return gin.H{"link": fmt.Sprintf("%s/channels/%s/snapshot?token=%s", prefix, channelID, token)}, nil
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}
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func (a GB28181API) getSnapshot(c *gin.Context) {
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channelID := c.Param("id")
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body, err := readCover(a.uc.Conf.ConfigDir, channelID)
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if err != nil {
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reason.ErrNotFound.SetMsg(err.Error())
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return
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}
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c.Data(200, "image/jpeg", body)
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}
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