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device.go
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device.go
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package gb28181
import (
"fmt"
"strings"
"sync"
"time"
"github.com/Monibuca/engine/v3"
"github.com/Monibuca/plugin-gb28181/v3/sip"
"github.com/Monibuca/plugin-gb28181/v3/transaction"
"github.com/Monibuca/plugin-gb28181/v3/utils"
// . "github.com/Monibuca/utils/v3"
// . "github.com/logrusorgru/aurora"
)
const TIME_LAYOUT = "2006-01-02T15:04:05"
// Record 录像
type Record struct {
//channel *Channel
DeviceID string
Name string
FilePath string
Address string
StartTime string
EndTime string
Secrecy int
Type string
}
func (r *Record) GetPublishStreamPath() string {
return fmt.Sprintf("%s/%s", r.DeviceID, r.StartTime)
}
type Device struct {
*transaction.Core `json:"-"`
ID string
RegisterTime time.Time
UpdateTime time.Time
Status string
Channels []*Channel
sn int
from *sip.Contact
to *sip.Contact
Addr string
SipIP string //暴露的IP
channelMap map[string]*Channel
channelMutex sync.RWMutex
subscriber struct {
CallID string
Timeout time.Time
}
}
func (d *Device) addChannel(channel *Channel) {
for _, c := range d.Channels {
if c.DeviceID == channel.DeviceID {
return
}
}
d.Channels = append(d.Channels, channel)
}
func (d *Device) CheckSubStream() {
d.channelMutex.Lock()
defer d.channelMutex.Unlock()
for _, c := range d.Channels {
if s := engine.FindStream("sub/" + c.DeviceID); s != nil {
c.LiveSubSP = s.StreamPath
} else {
c.LiveSubSP = ""
}
}
}
func (d *Device) UpdateChannels(list []*Channel) {
d.channelMutex.Lock()
defer d.channelMutex.Unlock()
for _, c := range list {
if _, ok := Ignores[c.DeviceID]; ok {
continue
}
if c.ParentID != "" {
path := strings.Split(c.ParentID, "/")
parentId := path[len(path)-1]
if parent, ok := d.channelMap[parentId]; ok {
parent.Children = append(parent.Children, c)
} else {
d.addChannel(c)
}
} else {
d.addChannel(c)
}
if old, ok := d.channelMap[c.DeviceID]; ok {
c.ChannelEx = old.ChannelEx
if len(old.Children) == 0 {
if config.PreFetchRecord {
n := time.Now()
n = time.Date(n.Year(), n.Month(), n.Day(), 0, 0, 0, 0, time.Local)
if len(c.Records) == 0 || (n.Format(TIME_LAYOUT) == c.RecordStartTime && n.Add(time.Hour*24-time.Second).Format(TIME_LAYOUT) == c.RecordEndTime) {
go c.QueryRecord(n.Format(TIME_LAYOUT), n.Add(time.Hour*24-time.Second).Format(TIME_LAYOUT))
}
}
if config.AutoInvite && c.LivePublisher == nil {
go c.Invite("", "")
}
}
} else {
c.ChannelEx = &ChannelEx{
device: d,
}
if config.AutoInvite {
go c.Invite("", "")
}
}
if s := engine.FindStream("sub/" + c.DeviceID); s != nil {
c.LiveSubSP = s.StreamPath
} else {
c.LiveSubSP = ""
}
d.channelMap[c.DeviceID] = c
}
}
func (d *Device) UpdateRecord(channelId string, list []*Record) {
d.channelMutex.RLock()
if c, ok := d.channelMap[channelId]; ok {
c.Records = append(c.Records, list...)
}
d.channelMutex.RUnlock()
}
func (d *Device) CreateMessage(Method sip.Method) (requestMsg *sip.Message) {
d.sn++
requestMsg = &sip.Message{
Mode: sip.SIP_MESSAGE_REQUEST,
MaxForwards: 70,
UserAgent: "Monibuca",
StartLine: &sip.StartLine{
Method: Method,
Uri: d.to.Uri,
}, Via: &sip.Via{
Transport: "UDP",
Host: d.Core.SipIP,
Port: fmt.Sprintf("%d", d.SipPort),
Params: map[string]string{
"branch": fmt.Sprintf("z9hG4bK%s", utils.RandNumString(8)),
"rport": "-1", //only key,no-value
},
}, From: &sip.Contact{Uri: d.from.Uri, Params: map[string]string{"tag": utils.RandNumString(9)}},
To: d.to, CSeq: &sip.CSeq{
ID: uint32(d.sn),
Method: Method,
}, CallID: utils.RandNumString(10),
Addr: d.Addr,
}
return
}
func (d *Device) Subscribe() int {
requestMsg := d.CreateMessage(sip.SUBSCRIBE)
if d.subscriber.CallID != "" {
requestMsg.CallID = d.subscriber.CallID
}
requestMsg.Expires = 3600
requestMsg.Event = "Catalog"
d.subscriber.Timeout = time.Now().Add(time.Second * time.Duration(requestMsg.Expires))
requestMsg.ContentType = "Application/MANSCDP+xml"
requestMsg.Body = fmt.Sprintf(`<?xml version="1.0" encoding="gb2312"?>
<Query>
<CmdType>Catalog</CmdType>
<SN>%d</SN>
<DeviceID>%s</DeviceID>
</Query>`, d.sn, requestMsg.To.Uri.UserInfo())
requestMsg.ContentLength = len(requestMsg.Body)
response := d.SendMessage(requestMsg)
if response.Code == 200 {
d.subscriber.CallID = requestMsg.CallID
} else {
d.subscriber.CallID = ""
}
return response.Code
}
func (d *Device) Query() {
for i := time.Duration(5); i < 100; i++ {
time.Sleep(time.Second * i)
requestMsg := d.CreateMessage(sip.MESSAGE)
requestMsg.ContentType = "Application/MANSCDP+xml"
requestMsg.Body = fmt.Sprintf(`<?xml version="1.0" encoding="gb2312"?>
<Query>
<CmdType>Catalog</CmdType>
<SN>%d</SN>
<DeviceID>%s</DeviceID>
</Query>`, d.sn, requestMsg.To.Uri.UserInfo())
requestMsg.ContentLength = len(requestMsg.Body)
response := d.SendMessage(requestMsg)
if response.Data != nil && response.Data.Via.Params["received"] != "" {
d.SipIP = response.Data.Via.Params["received"]
}
if response.Code != 200 {
fmt.Printf("device %s send Catalog : %d\n", d.ID, response.Code)
} else {
d.Subscribe()
break
}
}
}