go-gb28181/pkg/handler/message/catalog.go
shikong 14837e20bb
catalog 实现
突破 sipgo udp MTU 1500 限制
2025-01-24 18:26:20 +08:00

79 lines
2.4 KiB
Go

package message
import (
"encoding/xml"
"fmt"
"git.skcks.cn/Shikong/go-gb28181/pkg/config"
"git.skcks.cn/Shikong/go-gb28181/pkg/log"
"git.skcks.cn/Shikong/go-gb28181/pkg/manscdp"
"git.skcks.cn/Shikong/go-gb28181/pkg/utils"
"github.com/emiago/sipgo"
"github.com/emiago/sipgo/sip"
)
func init() {
handlers["Catalog"] = CatalogHandler
}
func CatalogHandler(client *sipgo.Client, clientConfig *config.ClientConfig, req *sip.Request, tx sip.ServerTransaction) {
query := new(manscdp.CatalogReq)
_ = utils.XMLUnmarshal(req.Body(), query)
log.Log().Info().Msgf("收到查询指令: %s\n%+v\n", query.CmdType, query)
tx.Done()
resp := new(manscdp.CatalogResp)
resp.XMLName = xml.Name{Local: "Response"}
resp.DeviceID = clientConfig.DeviceId
resp.CmdType = "Catalog"
resp.SumNum = "1"
resp.DeviceList = new(manscdp.CateLogDeviceList)
resp.DeviceList.XMLName = xml.Name{Local: "DeviceList"}
resp.DeviceList.Num = "1"
resp.DeviceList.Item = make([]manscdp.CateLogDevice, 0)
device := manscdp.CateLogDevice{}
device.DeviceID = clientConfig.DeviceId
device.Name = "设备名称"
device.Manufacturer = "设备厂商"
device.ErrCode = "0"
device.Port = fmt.Sprintf("%d", clientConfig.ListenPort)
resp.DeviceList.Item = append(resp.DeviceList.Item, device)
resp.SN = query.SN
marshal, _ := utils.XMLMarshal(resp, "gbk")
log.Log().Info().Msgf("回复查询指令: %s\n%+v\n", query.CmdType, resp)
target := sip.Uri{
User: clientConfig.ServerId,
Host: clientConfig.ServerIp,
Port: clientConfig.ServerPort,
Headers: sip.NewParams(),
}
//uri := sip.Uri{User: "44050100002000000002", Host: "10.10.10.20", Port: 5099}
nReq := sip.NewRequest(sip.MESSAGE, target)
nReq.SetTransport("UDP")
to := sip.NewHeader("To", req.GetHeader("From").Value())
from := sip.NewHeader("From", req.GetHeader("To").Value())
nReq.AppendHeader(to)
nReq.AppendHeader(from)
//nReq.AppendHeader(req.GetHeader("Call-ID"))
nReq.AppendHeader(sip.NewHeader("Content-Type", "Application/MANSCDP+xml"))
nReq.SetBody(marshal)
err := sipgo.ClientRequestBuild(client, nReq)
if err != nil {
log.Log().Error().Msgf("向服务器发送查询指令失败: %s", err)
}
log.Log().Debug().Msgf("向服务器发送查询指令: %s\n%+v\n", query.CmdType, nReq)
err = client.WriteRequest(nReq)
if err != nil {
log.Log().Error().Msgf("向服务器发送查询指令失败: %s", err)
return
}
}