mirror of
https://github.com/lkmio/lkm.git
synced 2025-09-27 03:26:01 +08:00
107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
package stream
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"fmt"
|
|
"github.com/lkmio/avformat/utils"
|
|
"github.com/lkmio/transport"
|
|
"net"
|
|
"net/url"
|
|
"strconv"
|
|
"time"
|
|
)
|
|
|
|
// SinkID IPV4使用uint64、IPV6使用string作为ID类型
|
|
type SinkID interface{}
|
|
|
|
type IPV4SinkID uint64
|
|
|
|
type IPV6SinkID string
|
|
|
|
func ipv4Addr2UInt64(ip uint32, port int) uint64 {
|
|
return (uint64(ip) << 32) | uint64(port)
|
|
}
|
|
|
|
// NetAddr2SinkID 根据网络地址生成SinkId IPV4使用一个uint64, IPV6使用String
|
|
func NetAddr2SinkID(addr net.Addr) SinkID {
|
|
network := addr.Network()
|
|
if "tcp" == network {
|
|
to4 := addr.(*net.TCPAddr).IP.To4()
|
|
var intIP uint32
|
|
if to4 != nil {
|
|
intIP = binary.BigEndian.Uint32(to4)
|
|
}
|
|
|
|
return ipv4Addr2UInt64(intIP, addr.(*net.TCPAddr).Port)
|
|
} else if "udp" == network {
|
|
to4 := addr.(*net.UDPAddr).IP.To4()
|
|
var intIP uint32
|
|
if to4 != nil {
|
|
intIP = binary.BigEndian.Uint32(to4)
|
|
}
|
|
|
|
return ipv4Addr2UInt64(intIP, addr.(*net.UDPAddr).Port)
|
|
}
|
|
|
|
return addr.String()
|
|
}
|
|
|
|
func SinkID2String(id SinkID) string {
|
|
if i, ok := id.(uint64); ok {
|
|
return strconv.FormatUint(i, 10)
|
|
}
|
|
|
|
return id.(string)
|
|
}
|
|
|
|
func GenerateUint64SinkID() SinkID {
|
|
return uint64(time.Now().UnixNano()&0xFFFFFFFF)<<32 | uint64(utils.RandomIntInRange(0, 0xFFFFFFFF))
|
|
}
|
|
|
|
func CreateSinkDisconnectionMessage(sink Sink) string {
|
|
return fmt.Sprintf("%s sink断开连接. id: %s", sink.GetProtocol(), sink.GetID())
|
|
}
|
|
|
|
func ExecuteSyncEventOnTransStreamPublisher(sourceId string, event func()) bool {
|
|
source := SourceManager.Find(sourceId)
|
|
if source != nil {
|
|
source.GetTransStreamPublisher().ExecuteSyncEvent(event)
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func SubscribeStream(sink Sink, values url.Values) utils.HookState {
|
|
return SubscribeStreamWithOptions(sink, values, true, false)
|
|
}
|
|
|
|
func SubscribeStreamWithOptions(sink Sink, values url.Values, ready bool, timeout bool) utils.HookState {
|
|
sink.SetReady(ready)
|
|
sink.SetUrlValues(values)
|
|
_, state := PreparePlaySink(sink, timeout)
|
|
return state
|
|
}
|
|
|
|
func ForwardStream(protocol TransStreamProtocol, transport TransportType, sourceId string, values url.Values, remoteAddr string, manager transport.Manager, ssrc uint32) (Sink, int, error) {
|
|
//source := SourceManager.Find(sourceId)
|
|
//if source == nil {
|
|
// return nil, 0, fmt.Errorf("source %s 不存在", sourceId)
|
|
//}
|
|
|
|
sinkId := GenerateUint64SinkID()
|
|
var port int
|
|
sink, port, err := NewForwardSink(transport, protocol, sinkId, sourceId, remoteAddr, manager, ssrc)
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
state := SubscribeStreamWithOptions(sink, values, true, true)
|
|
if utils.HookStateOK != state {
|
|
sink.Close()
|
|
return nil, 0, fmt.Errorf("failed to prepare play sink")
|
|
}
|
|
|
|
return sink, port, nil
|
|
}
|