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https://github.com/langhuihui/monibuca.git
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langhuihui
149 lines
3.6 KiB
Go
149 lines
3.6 KiB
Go
package gb28181
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"golang.org/x/net/html/charset"
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"golang.org/x/text/encoding/simplifiedchinese"
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"golang.org/x/text/transform"
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"strconv"
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"time"
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)
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const (
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// CatalogXML 获取设备列表xml样式
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CatalogXML = `<?xml version="1.0"?><Query>
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<CmdType>Catalog</CmdType>
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<SN>%d</SN>
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<DeviceID>%s</DeviceID>
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</Query>
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`
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// RecordInfoXML 获取录像文件列表xml样式
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RecordInfoXML = `<?xml version="1.0"?>
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<Query>
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<CmdType>RecordInfo</CmdType>
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<SN>%d</SN>
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<DeviceID>%s</DeviceID>
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<StartTime>%s</StartTime>
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<EndTime>%s</EndTime>
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<Secrecy>0</Secrecy>
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<Type>all</Type>
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</Query>
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`
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// DeviceInfoXML 查询设备详情xml样式
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DeviceInfoXML = `<?xml version="1.0"?>
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<Query>
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<CmdType>DeviceInfo</CmdType>
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<SN>%d</SN>
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<DeviceID>%s</DeviceID>
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</Query>
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`
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// DevicePositionXML 订阅设备位置
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DevicePositionXML = `<?xml version="1.0"?>
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<Query>
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<CmdType>MobilePosition</CmdType>
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<SN>%d</SN>
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<DeviceID>%s</DeviceID>
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<Interval>%d</Interval>
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</Query>`
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AlarmResponseXML = `<?xml version="1.0"?>
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<Response>
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<CmdType>Alarm</CmdType>
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<SN>17430</SN>
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<DeviceID>%s</DeviceID>
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</Response>`
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ChannelOnStatus ChannelStatus = "ON"
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ChannelOffStatus ChannelStatus = "OFF"
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)
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func intTotime(t int64) time.Time {
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tstr := strconv.FormatInt(t, 10)
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if len(tstr) == 10 {
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return time.Unix(t, 0)
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}
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if len(tstr) == 13 {
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return time.UnixMilli(t)
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}
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return time.Now()
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}
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// BuildDeviceInfoXML 获取设备详情指令
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func BuildDeviceInfoXML(sn int, id string) string {
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return fmt.Sprintf(DeviceInfoXML, sn, id)
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}
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// BuildCatalogXML 获取NVR下设备列表指令
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func BuildCatalogXML(sn int, id string) string {
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return fmt.Sprintf(CatalogXML, sn, id)
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}
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// BuildRecordInfoXML 获取录像文件列表指令
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func BuildRecordInfoXML(sn int, id string, start, end int64) string {
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return fmt.Sprintf(RecordInfoXML, sn, id, intTotime(start).Format("2006-01-02T15:04:05"), intTotime(end).Format("2006-01-02T15:04:05"))
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}
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// BuildDevicePositionXML 订阅设备位置
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func BuildDevicePositionXML(sn int, id string, interval int) string {
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return fmt.Sprintf(DevicePositionXML, sn, id, interval)
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}
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func BuildAlarmResponseXML(id string) string {
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return fmt.Sprintf(AlarmResponseXML, id)
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}
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type (
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ChannelStatus string
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Record struct {
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DeviceID string
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Name string
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FilePath string
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Address string
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StartTime string
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EndTime string
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Secrecy int
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Type string
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}
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ChannelInfo struct {
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DeviceID string // 通道ID
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ParentID string
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Name string
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Manufacturer string
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Model string
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Owner string
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CivilCode string
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Address string
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Port int
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Parental int
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SafetyWay int
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RegisterWay int
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Secrecy int
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Status ChannelStatus
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}
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Message struct {
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XMLName xml.Name
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CmdType string
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SN int // 请求序列号，一般用于对应 request 和 response
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DeviceID string
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DeviceName string
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Manufacturer string
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Model string
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Channel string
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DeviceList []ChannelInfo `xml:"DeviceList>Item"`
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RecordList []Record `xml:"RecordList>Item"`
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SumNum int // 录像结果的总数 SumNum，录像结果会按照多条消息返回，可用于判断是否全部返回
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}
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)
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func DecodeGB2312(v any, body []byte) error {
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decoder := xml.NewDecoder(bytes.NewReader(body))
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decoder.CharsetReader = charset.NewReaderLabel
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return decoder.Decode(v)
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}
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func DecodeGbk(v any, body []byte) error {
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decoder := xml.NewDecoder(transform.NewReader(bytes.NewReader(body), simplifiedchinese.GBK.NewDecoder()))
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decoder.CharsetReader = charset.NewReaderLabel
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return decoder.Decode(v)
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}
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