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Alain Takoudjou
sfu
Commits
2347417f
Commit
2347417f
authored
Sep 18, 2020
by
Juliusz Chroboczek
Browse files
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Plain Diff
Merge branch 'modular' into master
parents
714a0939
709a6857
Changes
12
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Showing
12 changed files
with
585 additions
and
356 deletions
+585
-356
.gitignore
.gitignore
+1
-0
conn/conn.go
conn/conn.go
+48
-0
disk/disk.go
disk/disk.go
+39
-41
group/client.go
group/client.go
+29
-0
group/group.go
group/group.go
+124
-81
rtpconn/rtpconn.go
rtpconn/rtpconn.go
+49
-52
rtpconn/rtpstats.go
rtpconn/rtpstats.go
+74
-0
rtpconn/rtpwriter.go
rtpconn/rtpwriter.go
+12
-11
rtpconn/webclient.go
rtpconn/webclient.go
+92
-132
sfu.go
sfu.go
+7
-7
stats/stats.go
stats/stats.go
+73
-0
webserver.go
webserver.go
+37
-32
No files found.
.gitignore
View file @
2347417f
...
...
@@ -3,3 +3,4 @@ data/*.pem
sfu
passwd
groups/*.json
static/*.d.ts
conn.go
→
conn
/conn
.go
View file @
2347417f
...
...
@@ -3,7 +3,8 @@
// This is not open source software. Copy it, and I'll break into your
// house and tell your three year-old that Santa doesn't exist.
package
main
// Package conn defines interfaces for connections and tracks.
package
conn
import
(
"errors"
...
...
@@ -15,29 +16,33 @@ import (
var
ErrConnectionClosed
=
errors
.
New
(
"connection is closed"
)
var
ErrKeyframeNeeded
=
errors
.
New
(
"keyframe needed"
)
type
upConnection
interface
{
addLocal
(
downConnection
)
error
delLocal
(
downConnection
)
bool
// Type Up represents a connection in the client to server direction.
type
Up
interface
{
AddLocal
(
Down
)
error
DelLocal
(
Down
)
bool
Id
()
string
Label
()
string
}
type
upTrack
interface
{
addLocal
(
downTrack
)
error
delLocal
(
downTrack
)
bool
// Type UpTrack represents a track in the client to server direction.
type
UpTrack
interface
{
AddLocal
(
DownTrack
)
error
DelLocal
(
DownTrack
)
bool
Label
()
string
Codec
()
*
webrtc
.
RTPCodec
// get a recent packet. Returns 0 if the packet is not in cache.
g
etRTP
(
seqno
uint16
,
result
[]
byte
)
uint16
G
etRTP
(
seqno
uint16
,
result
[]
byte
)
uint16
}
type
downConnection
interface
{
// Type Down represents a connection in the server to client direction.
type
Down
interface
{
GetMaxBitrate
(
now
uint64
)
uint64
}
type
downTrack
interface
{
// Type DownTrack represents a track in the server to client direction.
type
DownTrack
interface
{
WriteRTP
(
packat
*
rtp
.
Packet
)
error
Accumulate
(
bytes
uint32
)
s
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
s
etCname
(
string
)
S
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
S
etCname
(
string
)
}
disk.go
→
disk
/disk
.go
View file @
2347417f
package
main
package
disk
import
(
crand
"crypto/rand"
"errors"
"fmt"
"os"
"path/filepath"
"
strconv
"
"
encoding/hex
"
"sync"
"time"
...
...
@@ -14,10 +15,15 @@ import (
"github.com/pion/rtp/codecs"
"github.com/pion/webrtc/v3"
"github.com/pion/webrtc/v3/pkg/media/samplebuilder"
"sfu/conn"
"sfu/group"
)
type
diskClient
struct
{
group
*
group
var
Directory
string
type
Client
struct
{
group
*
group
.
Group
id
string
mu
sync
.
Mutex
...
...
@@ -25,45 +31,37 @@ type diskClient struct {
closed
bool
}
var
idCounter
struct
{
mu
sync
.
Mutex
counter
int
}
func
newId
()
string
{
idCounter
.
mu
.
Lock
()
defer
idCounter
.
mu
.
Unlock
()
s
:=
strconv
.
FormatInt
(
int64
(
idCounter
.
counter
),
16
)
idCounter
.
counter
++
return
s
b
:=
make
([]
byte
,
16
)
crand
.
Read
(
b
)
return
hex
.
EncodeToString
(
b
)
}
func
New
DiskClient
(
g
*
group
)
*
disk
Client
{
return
&
disk
Client
{
group
:
g
,
id
:
newId
()}
func
New
(
g
*
group
.
Group
)
*
Client
{
return
&
Client
{
group
:
g
,
id
:
newId
()}
}
func
(
client
*
diskClient
)
Group
()
*
g
roup
{
func
(
client
*
Client
)
Group
()
*
group
.
G
roup
{
return
client
.
group
}
func
(
client
*
disk
Client
)
Id
()
string
{
func
(
client
*
Client
)
Id
()
string
{
return
client
.
id
}
func
(
client
*
diskClient
)
Credentials
()
c
lientCredentials
{
return
c
lientCredentials
{
"RECORDING"
,
""
}
func
(
client
*
Client
)
Credentials
()
group
.
C
lientCredentials
{
return
group
.
C
lientCredentials
{
"RECORDING"
,
""
}
}
func
(
client
*
diskClient
)
SetPermissions
(
perms
c
lientPermissions
)
{
func
(
client
*
Client
)
SetPermissions
(
perms
group
.
C
lientPermissions
)
{
return
}
func
(
client
*
diskClient
)
p
ushClient
(
id
,
username
string
,
add
bool
)
error
{
func
(
client
*
Client
)
P
ushClient
(
id
,
username
string
,
add
bool
)
error
{
return
nil
}
func
(
client
*
disk
Client
)
Close
()
error
{
func
(
client
*
Client
)
Close
()
error
{
client
.
mu
.
Lock
()
defer
client
.
mu
.
Unlock
()
...
...
@@ -75,13 +73,13 @@ func (client *diskClient) Close() error {
return
nil
}
func
(
client
*
disk
Client
)
kick
(
message
string
)
error
{
func
(
client
*
Client
)
kick
(
message
string
)
error
{
err
:=
client
.
Close
()
d
elClient
(
client
)
group
.
D
elClient
(
client
)
return
err
}
func
(
client
*
diskClient
)
pushConn
(
id
string
,
conn
upConnection
,
tracks
[]
u
pTrack
,
label
string
)
error
{
func
(
client
*
Client
)
PushConn
(
id
string
,
up
conn
.
Up
,
tracks
[]
conn
.
U
pTrack
,
label
string
)
error
{
client
.
mu
.
Lock
()
defer
client
.
mu
.
Unlock
()
...
...
@@ -95,11 +93,11 @@ func (client *diskClient) pushConn(id string, conn upConnection, tracks []upTrac
delete
(
client
.
down
,
id
)
}
if
conn
==
nil
{
if
up
==
nil
{
return
nil
}
directory
:=
filepath
.
Join
(
recordingsDir
,
client
.
group
.
name
)
directory
:=
filepath
.
Join
(
Directory
,
client
.
group
.
Name
()
)
err
:=
os
.
MkdirAll
(
directory
,
0700
)
if
err
!=
nil
{
return
err
...
...
@@ -109,12 +107,12 @@ func (client *diskClient) pushConn(id string, conn upConnection, tracks []upTrac
client
.
down
=
make
(
map
[
string
]
*
diskConn
)
}
down
,
err
:=
newDiskConn
(
directory
,
label
,
conn
,
tracks
)
down
,
err
:=
newDiskConn
(
directory
,
label
,
up
,
tracks
)
if
err
!=
nil
{
return
err
}
client
.
down
[
conn
.
Id
()]
=
down
client
.
down
[
up
.
Id
()]
=
down
return
nil
}
...
...
@@ -125,7 +123,7 @@ type diskConn struct {
mu
sync
.
Mutex
file
*
os
.
File
remote
upConnection
remote
conn
.
Up
tracks
[]
*
diskTrack
width
,
height
uint32
}
...
...
@@ -150,7 +148,7 @@ func (conn *diskConn) reopen() error {
}
func
(
conn
*
diskConn
)
Close
()
error
{
conn
.
remote
.
d
elLocal
(
conn
)
conn
.
remote
.
D
elLocal
(
conn
)
conn
.
mu
.
Lock
()
tracks
:=
make
([]
*
diskTrack
,
0
,
len
(
conn
.
tracks
))
...
...
@@ -164,7 +162,7 @@ func (conn *diskConn) Close() error {
conn
.
mu
.
Unlock
()
for
_
,
t
:=
range
tracks
{
t
.
remote
.
d
elLocal
(
t
)
t
.
remote
.
D
elLocal
(
t
)
}
return
nil
}
...
...
@@ -196,7 +194,7 @@ func openDiskFile(directory, label string) (*os.File, error) {
}
type
diskTrack
struct
{
remote
u
pTrack
remote
conn
.
U
pTrack
conn
*
diskConn
writer
webm
.
BlockWriteCloser
...
...
@@ -206,7 +204,7 @@ type diskTrack struct {
origin
uint64
}
func
newDiskConn
(
directory
,
label
string
,
up
upConnection
,
remoteTracks
[]
u
pTrack
)
(
*
diskConn
,
error
)
{
func
newDiskConn
(
directory
,
label
string
,
up
conn
.
Up
,
remoteTracks
[]
conn
.
U
pTrack
)
(
*
diskConn
,
error
)
{
conn
:=
diskConn
{
directory
:
directory
,
label
:
label
,
...
...
@@ -231,10 +229,10 @@ func newDiskConn(directory, label string, up upConnection, remoteTracks []upTrac
conn
:
&
conn
,
}
conn
.
tracks
=
append
(
conn
.
tracks
,
track
)
remote
.
a
ddLocal
(
track
)
remote
.
A
ddLocal
(
track
)
}
err
:=
up
.
a
ddLocal
(
&
conn
)
err
:=
up
.
A
ddLocal
(
&
conn
)
if
err
!=
nil
{
return
nil
,
err
}
...
...
@@ -242,10 +240,10 @@ func newDiskConn(directory, label string, up upConnection, remoteTracks []upTrac
return
&
conn
,
nil
}
func
(
t
*
diskTrack
)
s
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
{
func
(
t
*
diskTrack
)
S
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
{
}
func
(
t
*
diskTrack
)
s
etCname
(
string
)
{
func
(
t
*
diskTrack
)
S
etCname
(
string
)
{
}
func
clonePacket
(
packet
*
rtp
.
Packet
)
*
rtp
.
Packet
{
...
...
@@ -310,7 +308,7 @@ func (t *diskTrack) WriteRTP(packet *rtp.Packet) error {
if
t
.
writer
==
nil
{
if
!
keyframe
{
return
ErrKeyframeNeeded
return
conn
.
ErrKeyframeNeeded
}
return
nil
}
...
...
client.go
→
group/
client.go
View file @
2347417f
package
main
package
group
type
clientCredentials
struct
{
import
(
"sfu/conn"
)
type
ClientCredentials
struct
{
Username
string
`json:"username,omitempty"`
Password
string
`json:"password,omitempty"`
}
type
c
lientPermissions
struct
{
type
C
lientPermissions
struct
{
Op
bool
`json:"op,omitempty"`
Present
bool
`json:"present,omitempty"`
Record
bool
`json:"record,omitempty"`
}
type
c
lient
interface
{
Group
()
*
g
roup
type
C
lient
interface
{
Group
()
*
G
roup
Id
()
string
Credentials
()
c
lientCredentials
SetPermissions
(
c
lientPermissions
)
pushConn
(
id
string
,
conn
upConnection
,
tracks
[]
u
pTrack
,
label
string
)
error
p
ushClient
(
id
,
username
string
,
add
bool
)
error
Credentials
()
C
lientCredentials
SetPermissions
(
C
lientPermissions
)
PushConn
(
id
string
,
conn
conn
.
Up
,
tracks
[]
conn
.
U
pTrack
,
label
string
)
error
P
ushClient
(
id
,
username
string
,
add
bool
)
error
}
type
k
ickable
interface
{
k
ick
(
message
string
)
error
type
K
ickable
interface
{
K
ick
(
message
string
)
error
}
group.go
→
group
/group
.go
View file @
2347417f
This diff is collapsed.
Click to expand it.
rtpconn.go
→
rtpconn
/rtpconn
.go
View file @
2347417f
// Copyright (c) 2020 by Juliusz Chroboczek.
// This is not open source software. Copy it, and I'll break into your
// house and tell your three year-old that Santa doesn't exist.
package
main
package
rtpconn
import
(
"errors"
...
...
@@ -14,14 +9,16 @@ import (
"sync/atomic"
"time"
"github.com/pion/rtcp"
"github.com/pion/rtp"
"github.com/pion/webrtc/v3"
"sfu/conn"
"sfu/estimator"
"sfu/group"
"sfu/jitter"
"sfu/packetcache"
"sfu/rtptime"
"github.com/pion/rtcp"
"github.com/pion/rtp"
"github.com/pion/webrtc/v3"
)
type
bitrate
struct
{
...
...
@@ -71,7 +68,7 @@ type iceConnection interface {
type
rtpDownTrack
struct
{
track
*
webrtc
.
Track
remote
u
pTrack
remote
conn
.
U
pTrack
maxBitrate
*
bitrate
rate
*
estimator
.
Estimator
stats
*
receiverStats
...
...
@@ -91,26 +88,26 @@ func (down *rtpDownTrack) Accumulate(bytes uint32) {
down
.
rate
.
Accumulate
(
bytes
)
}
func
(
down
*
rtpDownTrack
)
s
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
{
func
(
down
*
rtpDownTrack
)
S
etTimeOffset
(
ntp
uint64
,
rtp
uint32
)
{
atomic
.
StoreUint64
(
&
down
.
remoteNTPTime
,
ntp
)
atomic
.
StoreUint32
(
&
down
.
remoteRTPTime
,
rtp
)
}
func
(
down
*
rtpDownTrack
)
s
etCname
(
cname
string
)
{
func
(
down
*
rtpDownTrack
)
S
etCname
(
cname
string
)
{
down
.
cname
.
Store
(
cname
)
}
type
rtpDownConnection
struct
{
id
string
pc
*
webrtc
.
PeerConnection
remote
upConnection
remote
conn
.
Up
tracks
[]
*
rtpDownTrack
maxREMBBitrate
*
bitrate
iceCandidates
[]
*
webrtc
.
ICECandidateInit
}
func
newDownConn
(
c
client
,
id
string
,
remote
upConnection
)
(
*
rtpDownConnection
,
error
)
{
pc
,
err
:=
c
.
Group
()
.
API
()
.
NewPeerConnection
(
i
ceConfiguration
())
func
newDownConn
(
c
group
.
Client
,
id
string
,
remote
conn
.
Up
)
(
*
rtpDownConnection
,
error
)
{
pc
,
err
:=
c
.
Group
()
.
API
()
.
NewPeerConnection
(
group
.
I
ceConfiguration
())
if
err
!=
nil
{
return
nil
,
err
}
...
...
@@ -193,7 +190,7 @@ type rtpUpTrack struct {
mu
sync
.
Mutex
cname
string
local
[]
d
ownTrack
local
[]
conn
.
D
ownTrack
srTime
uint64
srNTPTime
uint64
srRTPTime
uint32
...
...
@@ -201,17 +198,17 @@ type rtpUpTrack struct {
type
localTrackAction
struct
{
add
bool
track
d
ownTrack
track
conn
.
D
ownTrack
}
func
(
up
*
rtpUpTrack
)
notifyLocal
(
add
bool
,
track
d
ownTrack
)
{
func
(
up
*
rtpUpTrack
)
notifyLocal
(
add
bool
,
track
conn
.
D
ownTrack
)
{
select
{
case
up
.
localCh
<-
localTrackAction
{
add
,
track
}
:
case
<-
up
.
readerDone
:
}
}
func
(
up
*
rtpUpTrack
)
addLocal
(
local
d
ownTrack
)
error
{
func
(
up
*
rtpUpTrack
)
AddLocal
(
local
conn
.
D
ownTrack
)
error
{
up
.
mu
.
Lock
()
for
_
,
t
:=
range
up
.
local
{
if
t
==
local
{
...
...
@@ -226,7 +223,7 @@ func (up *rtpUpTrack) addLocal(local downTrack) error {
return
nil
}
func
(
up
*
rtpUpTrack
)
delLocal
(
local
d
ownTrack
)
bool
{
func
(
up
*
rtpUpTrack
)
DelLocal
(
local
conn
.
D
ownTrack
)
bool
{
up
.
mu
.
Lock
()
for
i
,
l
:=
range
up
.
local
{
if
l
==
local
{
...
...
@@ -240,15 +237,15 @@ func (up *rtpUpTrack) delLocal(local downTrack) bool {
return
false
}
func
(
up
*
rtpUpTrack
)
getLocal
()
[]
d
ownTrack
{
func
(
up
*
rtpUpTrack
)
getLocal
()
[]
conn
.
D
ownTrack
{
up
.
mu
.
Lock
()
defer
up
.
mu
.
Unlock
()
local
:=
make
([]
d
ownTrack
,
len
(
up
.
local
))
local
:=
make
([]
conn
.
D
ownTrack
,
len
(
up
.
local
))
copy
(
local
,
up
.
local
)
return
local
}
func
(
up
*
rtpUpTrack
)
g
etRTP
(
seqno
uint16
,
result
[]
byte
)
uint16
{
func
(
up
*
rtpUpTrack
)
G
etRTP
(
seqno
uint16
,
result
[]
byte
)
uint16
{
return
up
.
cache
.
Get
(
seqno
,
result
)
}
...
...
@@ -278,7 +275,7 @@ type rtpUpConnection struct {
mu
sync
.
Mutex
tracks
[]
*
rtpUpTrack
local
[]
downConnectio
n
local
[]
conn
.
Dow
n
}
func
(
up
*
rtpUpConnection
)
getTracks
()
[]
*
rtpUpTrack
{
...
...
@@ -297,7 +294,7 @@ func (up *rtpUpConnection) Label() string {
return
up
.
label
}
func
(
up
*
rtpUpConnection
)
addLocal
(
local
downConnectio
n
)
error
{
func
(
up
*
rtpUpConnection
)
AddLocal
(
local
conn
.
Dow
n
)
error
{
up
.
mu
.
Lock
()
defer
up
.
mu
.
Unlock
()
for
_
,
t
:=
range
up
.
local
{
...
...
@@ -309,7 +306,7 @@ func (up *rtpUpConnection) addLocal(local downConnection) error {
return
nil
}
func
(
up
*
rtpUpConnection
)
delLocal
(
local
downConnectio
n
)
bool
{
func
(
up
*
rtpUpConnection
)
DelLocal
(
local
conn
.
Dow
n
)
bool
{
up
.
mu
.
Lock
()
defer
up
.
mu
.
Unlock
()
for
i
,
l
:=
range
up
.
local
{
...
...
@@ -321,10 +318,10 @@ func (up *rtpUpConnection) delLocal(local downConnection) bool {
return
false
}
func
(
up
*
rtpUpConnection
)
getLocal
()
[]
downConnectio
n
{
func
(
up
*
rtpUpConnection
)
getLocal
()
[]
conn
.
Dow
n
{
up
.
mu
.
Lock
()
defer
up
.
mu
.
Unlock
()
local
:=
make
([]
downConnectio
n
,
len
(
up
.
local
))
local
:=
make
([]
conn
.
Dow
n
,
len
(
up
.
local
))
copy
(
local
,
up
.
local
)
return
local
}
...
...
@@ -370,8 +367,8 @@ func (up *rtpUpConnection) complete() bool {
return
true
}
func
newUpConn
(
c
c
lient
,
id
string
)
(
*
rtpUpConnection
,
error
)
{
pc
,
err
:=
c
.
Group
()
.
API
()
.
NewPeerConnection
(
i
ceConfiguration
())
func
newUpConn
(
c
group
.
C
lient
,
id
string
)
(
*
rtpUpConnection
,
error
)
{
pc
,
err
:=
c
.
Group
()
.
API
()
.
NewPeerConnection
(
group
.
I
ceConfiguration
())
if
err
!=
nil
{
return
nil
,
err
}
...
...
@@ -396,10 +393,10 @@ func newUpConn(c client, id string) (*rtpUpConnection, error) {
return
nil
,
err
}
conn
:=
&
rtpUpConnection
{
id
:
id
,
pc
:
pc
}
up
:=
&
rtpUpConnection
{
id
:
id
,
pc
:
pc
}
pc
.
OnTrack
(
func
(
remote
*
webrtc
.
Track
,
receiver
*
webrtc
.
RTPReceiver
)
{
conn
.
mu
.
Lock
()
up
.
mu
.
Lock
()
mid
:=
getTrackMid
(
pc
,
remote
)
if
mid
==
""
{
...
...
@@ -407,7 +404,7 @@ func newUpConn(c client, id string) (*rtpUpConnection, error) {
return
}
label
,
ok
:=
conn
.
labels
[
mid
]
label
,
ok
:=
up
.
labels
[
mid
]
if
!
ok
{
log
.
Printf
(
"Couldn't get track's label"
)
isvideo
:=
remote
.
Kind
()
==
webrtc
.
RTPCodecTypeVideo
...
...
@@ -428,34 +425,34 @@ func newUpConn(c client, id string) (*rtpUpConnection, error) {
readerDone
:
make
(
chan
struct
{}),
}
conn
.
tracks
=
append
(
conn
.
tracks
,
track
)
up
.
tracks
=
append
(
up
.
tracks
,
track
)
go
readLoop
(
conn
,
track
)
go
readLoop
(
up
,
track
)
go
rtcpUpListener
(
conn
,
track
,
receiver
)
go
rtcpUpListener
(
up
,
track
,
receiver
)
complete
:=
conn
.
complete
()
var
tracks
[]
u
pTrack
if
(
complete
)
{
tracks
=
make
([]
upTrack
,
len
(
conn
.
tracks
))
for
i
,
t
:=
range
conn
.
tracks
{
complete
:=
up
.
complete
()
var
tracks
[]
conn
.
U
pTrack
if
complete
{
tracks
=
make
([]
conn
.
UpTrack
,
len
(
up
.
tracks
))
for
i
,
t
:=
range
up
.
tracks
{
tracks
[
i
]
=
t
}
}
// pushConn might need to take the lock
conn
.
mu
.
Unlock
()
up
.
mu
.
Unlock
()
if
complete
{
clients
:=
c
.
Group
()
.
g
etClients
(
c
)
clients
:=
c
.
Group
()
.
G
etClients
(
c
)
for
_
,
cc
:=
range
clients
{
cc
.
pushConn
(
conn
.
id
,
conn
,
tracks
,
conn
.
label
)
cc
.
PushConn
(
up
.
id
,
up
,
tracks
,
up
.
label
)
}
go
rtcpUpSender
(
conn
)
go
rtcpUpSender
(
up
)
}
})
return
conn
,
nil
return
up
,
nil
}
func
readLoop
(
conn
*
rtpUpConnection
,
track
*
rtpUpTrack
)
{
...
...
@@ -606,7 +603,7 @@ func sendRecovery(p *rtcp.TransportLayerNack, track *rtpDownTrack) {
buf
:=
make
([]
byte
,
packetcache
.
BufSize
)
for
_
,
nack
:=
range
p
.
Nacks
{
for
_
,
seqno
:=
range
nack
.
PacketList
()
{
l
:=
track
.
remote
.
g
etRTP
(
seqno
,
buf
)
l
:=
track
.
remote
.
G
etRTP
(
seqno
,
buf
)
if
l
==
0
{
continue
}
...
...
@@ -650,7 +647,7 @@ func rtcpUpListener(conn *rtpUpConnection, track *rtpUpTrack, r *webrtc.RTPRecei
track
.
srRTPTime
=
p
.
RTPTime
track
.
mu
.
Unlock
()
for
_
,
l
:=
range
local
{
l
.
s
etTimeOffset
(
p
.
NTPTime
,
p
.
RTPTime
)
l
.
S
etTimeOffset
(
p
.
NTPTime
,
p
.
RTPTime
)
}
case
*
rtcp
.
SourceDescription
:
for
_
,
c
:=
range
p
.
Chunks
{
...
...
@@ -665,7 +662,7 @@ func rtcpUpListener(conn *rtpUpConnection, track *rtpUpTrack, r *webrtc.RTPRecei
track
.
cname
=
i
.
Text
track
.
mu
.
Unlock
()
for
_
,
l
:=
range
local
{
l
.
s
etCname
(
i
.
Text
)
l
.
S
etCname
(
i
.
Text
)
}
}
}
...
...
@@ -749,8 +746,8 @@ func sendUpRTCP(conn *rtpUpConnection) error {
rate
=
r
}
}
if
rate
<
m
inBitrate
{
rate
=
m
inBitrate
if
rate
<
group
.
M
inBitrate
{
rate
=
group
.
M
inBitrate
}
var
ssrcs
[]
uint32
...
...
stats.go
→
rtpconn/rtp
stats.go
View file @
2347417f
package
mai
n
package
rtpcon
n
import
(
"sort"
...
...
@@ -6,76 +6,20 @@ import (
"time"
"sfu/rtptime"
"sfu/stats"
)
type
groupStats
struct
{
name
string
clients
[]
clientStats
}
type
clientStats
struct
{
id
string
up
,
down
[]
connStats
}
type
connStats
struct
{
id
string
maxBitrate
uint64
tracks
[]
trackStats
}
type
trackStats
struct
{
bitrate
uint64
maxBitrate
uint64
loss
uint8
rtt
time
.
Duration
jitter
time
.
Duration
}
func
getGroupStats
()
[]
groupStats
{
names
:=
getGroupNames
()
gs
:=
make
([]
groupStats
,
0
,
len
(
names
))
for
_
,
name
:=
range
names
{
g
:=
getGroup
(
name
)
if
g
==
nil
{
continue
}
clients
:=
g
.
getClients
(
nil
)
stats
:=
groupStats
{
name
:
name
,
clients
:
make
([]
clientStats
,
0
,
len
(
clients
)),
}
for
_
,
c
:=
range
clients
{
c
,
ok
:=
c
.
(
*
webClient
)
if
ok
{
cs
:=
getClientStats
(
c
)
stats
.
clients
=
append
(
stats
.
clients
,
cs
)
}
}
sort
.
Slice
(
stats
.
clients
,
func
(
i
,
j
int
)
bool
{
return
stats
.
clients
[
i
]
.
id
<
stats
.
clients
[
j
]
.
id
})
gs
=
append
(
gs
,
stats
)
}
sort
.
Slice
(
gs
,
func
(
i
,
j
int
)
bool
{
return
gs
[
i
]
.
name
<
gs
[
j
]
.
name
})
return
gs
}
func
getClientStats
(
c
*
webClient
)
clientStats
{
func
(
c
*
webClient
)
GetStats
()
*
stats
.
Client
{
c
.
mu
.
Lock
()
defer
c
.
mu
.
Unlock
()
cs
:=
clientStats
{
i
d
:
c
.
id
,
cs
:=
stats
.
Client
{
I
d
:
c
.
id
,
}
for
_
,
up
:=
range
c
.
up
{
conns
:=
connStats
{
i
d
:
up
.
id
,
conns
:=
stats
.
Conn
{
I
d
:
up
.
id
,
}
tracks
:=
up
.
getTracks
()
for
_
,
t
:=
range
tracks
{
...
...
@@ -87,23 +31,23 @@ func getClientStats(c *webClient) clientStats {
jitter
:=
time
.
Duration
(
t
.
jitter
.
Jitter
())
*
(
time
.
Second
/
time
.
Duration
(
t
.
jitter
.
HZ
()))
rate
,
_
:=
t
.
rate
.
Estimate
()
conns
.
tracks
=
append
(
conns
.
tracks
,
trackStats
{
b
itrate
:
uint64
(
rate
)
*
8
,
l
oss
:
loss
,
j
itter
:
jitter
,
conns
.
Tracks
=
append
(
conns
.
Tracks
,
stats
.
Track
{
B
itrate
:
uint64
(
rate
)
*
8
,
L
oss
:
loss
,
J
itter
:
jitter
,
})
}
cs
.
up
=
append
(
cs
.
u
p
,
conns
)
cs
.
Up
=
append
(
cs
.
U
p
,
conns
)
}
sort
.
Slice
(
cs
.
u
p
,
func
(
i
,
j
int
)
bool
{
return
cs
.
up
[
i
]
.
id
<
cs
.
up
[
j
]
.
i
d
sort
.
Slice
(
cs
.
U
p
,
func
(
i
,
j
int
)
bool
{
return
cs
.
Up
[
i
]
.
Id
<
cs
.
Up
[
j
]
.
I
d
})
jiffies
:=
rtptime
.
Jiffies
()
for
_
,
down
:=
range
c
.
down
{
conns
:=
connStats
{
i
d
:
down
.
id
,
m
axBitrate
:
down
.
GetMaxBitrate
(
jiffies
),
conns
:=
stats
.
Conn
{
I
d
:
down
.
id
,
M
axBitrate
:
down
.
GetMaxBitrate
(
jiffies
),
}
for
_
,
t
:=
range
down
.
tracks
{
rate
,
_
:=
t
.
rate
.
Estimate
()
...
...
@@ -112,19 +56,19 @@ func getClientStats(c *webClient) clientStats {
loss
,
jitter
:=
t
.
stats
.
Get
(
jiffies
)
j
:=
time
.
Duration
(
jitter
)
*
time
.
Second
/
time
.
Duration
(
t
.
track
.
Codec
()
.
ClockRate
)
conns
.
tracks
=
append
(
conns
.
tracks
,
trackStats
{
b
itrate
:
uint64
(
rate
)
*
8
,
m
axBitrate
:
t
.
maxBitrate
.
Get
(
jiffies
),
l
oss
:
uint8
(
uint32
(
loss
)
*
100
/
256
),
r
tt
:
rtt
,
j
itter
:
j
,
conns
.
Tracks
=
append
(
conns
.
Tracks
,
stats
.
Track
{
B
itrate
:
uint64
(
rate
)
*
8
,
M
axBitrate
:
t
.
maxBitrate
.
Get
(
jiffies
),
L
oss
:
uint8
(
uint32
(
loss
)
*
100
/
256
),
R
tt
:
rtt
,
J
itter
:
j
,
})
}
cs
.
down
=
append
(
cs
.
d
own
,
conns
)
cs
.
Down
=
append
(
cs
.
D
own
,
conns
)
}
sort
.
Slice
(
cs
.
d
own
,
func
(
i
,
j
int
)
bool
{
return
cs
.
down
[
i
]
.
id
<
cs
.
down
[
j
]
.
i
d
sort
.
Slice
(
cs
.
D
own
,
func
(
i
,
j
int
)
bool
{
return
cs
.
Down
[
i
]
.
Id
<
cs
.
Down
[
j
]
.
I
d
})
return
cs
return
&
cs
}
rtpwriter.go
→
rtp
conn/rtp
writer.go
View file @
2347417f
package
mai
n
package
rtpcon
n
import
(
"errors"
...
...
@@ -7,6 +7,7 @@ import (
"github.com/pion/rtp"
"sfu/conn"
"sfu/packetcache"
"sfu/rtptime"
)
...
...
@@ -43,7 +44,7 @@ func sqrt(n int) int {
}
// add adds or removes a track from a writer pool
func
(
wp
*
rtpWriterPool
)
add
(
track
d
ownTrack
,
add
bool
)
error
{
func
(
wp
*
rtpWriterPool
)
add
(
track
conn
.
D
ownTrack
,
add
bool
)
error
{
n
:=
4
if
wp
.
count
>
16
{
n
=
sqrt
(
wp
.
count
)
...
...
@@ -166,7 +167,7 @@ var ErrUnknownTrack = errors.New("unknown track")
type
writerAction
struct
{
add
bool
track
d
ownTrack
track
conn
.
D
ownTrack
maxTracks
int
ch
chan
error
}
...
...
@@ -192,7 +193,7 @@ func newRtpWriter(conn *rtpUpConnection, track *rtpUpTrack) *rtpWriter {
}
// add adds or removes a track from a writer.
func
(
writer
*
rtpWriter
)
add
(
track
d
ownTrack
,
add
bool
,
max
int
)
error
{
func
(
writer
*
rtpWriter
)
add
(
track
conn
.
D
ownTrack
,
add
bool
,
max
int
)
error
{
ch
:=
make
(
chan
error
,
1
)
select
{
case
writer
.
action
<-
writerAction
{
add
,
track
,
max
,
ch
}
:
...
...
@@ -208,13 +209,13 @@ func (writer *rtpWriter) add(track downTrack, add bool, max int) error {
}
// rtpWriterLoop is the main loop of an rtpWriter.
func
rtpWriterLoop
(
writer
*
rtpWriter
,
conn
*
rtpUpConnection
,
track
*
rtpUpTrack
)
{
func
rtpWriterLoop
(
writer
*
rtpWriter
,
up
*
rtpUpConnection
,
track
*
rtpUpTrack
)
{
defer
close
(
writer
.
done
)
buf
:=
make
([]
byte
,
packetcache
.
BufSize
)
var
packet
rtp
.
Packet
local
:=
make
([]
d
ownTrack
,
0
)
local
:=
make
([]
conn
.
D
ownTrack
,
0
)
// reset whenever a new track is inserted
firSent
:=
false
...
...
@@ -239,10 +240,10 @@ func rtpWriterLoop(writer *rtpWriter, conn *rtpUpConnection, track *rtpUpTrack)
cname
:=
track
.
cname
track
.
mu
.
Unlock
()
if
ntp
!=
0
{
action
.
track
.
s
etTimeOffset
(
ntp
,
rtp
)
action
.
track
.
S
etTimeOffset
(
ntp
,
rtp
)
}
if
cname
!=
""
{
action
.
track
.
s
etCname
(
cname
)
action
.
track
.
S
etCname
(
cname
)
}
}
else
{
found
:=
false
...
...
@@ -283,7 +284,7 @@ func rtpWriterLoop(writer *rtpWriter, conn *rtpUpConnection, track *rtpUpTrack)
for
_
,
l
:=
range
local
{
err
:=
l
.
WriteRTP
(
&
packet
)
if
err
!=
nil
{
if
err
==
ErrKeyframeNeeded
{
if
err
==
conn
.
ErrKeyframeNeeded
{
kfNeeded
=
true
}
continue
...
...
@@ -292,9 +293,9 @@ func rtpWriterLoop(writer *rtpWriter, conn *rtpUpConnection, track *rtpUpTrack)
}
if
kfNeeded
{
err
:=
conn
.
sendFIR
(
track
,
!
firSent
)
err
:=
up
.
sendFIR
(
track
,
!
firSent
)
if
err
==
ErrUnsupportedFeedback
{
conn
.
sendPLI
(
track
)
up
.
sendPLI
(
track
)
}
firSent
=
true
}
...
...
webclient.go
→
rtpconn/
webclient.go
View file @
2347417f
This diff is collapsed.
Click to expand it.
sfu.go
View file @
2347417f
...
...
@@ -14,14 +14,14 @@ import (
"runtime"
"runtime/pprof"
"syscall"
"sfu/disk"
"sfu/group"
)
var
httpAddr
string
var
staticRoot
string
var
dataDir
string
var
groupsDir
string
var
recordingsDir
string
var
iceFilename
string
func
main
()
{
var
cpuprofile
,
memprofile
,
mutexprofile
string
...
...
@@ -31,9 +31,9 @@ func main() {
"web server root `directory`"
)
flag
.
StringVar
(
&
dataDir
,
"data"
,
"./data/"
,
"data `directory`"
)
flag
.
StringVar
(
&
group
sDir
,
"groups"
,
"./groups/"
,
flag
.
StringVar
(
&
group
.
Directory
,
"groups"
,
"./groups/"
,
"group description `directory`"
)
flag
.
StringVar
(
&
recordingsDir
,
"recordings"
,
"./recordings/"
,
flag
.
StringVar
(
&
disk
.
Directory
,
"recordings"
,
"./recordings/"
,
"recordings `directory`"
)
flag
.
StringVar
(
&
cpuprofile
,
"cpuprofile"
,
""
,
"store CPU profile in `file`"
)
...
...
@@ -81,9 +81,9 @@ func main() {
}()
}
i
ceFilename
=
filepath
.
Join
(
dataDir
,
"ice-servers.json"
)
group
.
I
ceFilename
=
filepath
.
Join
(
dataDir
,
"ice-servers.json"
)
go
r
eadPublicGroups
()
go
group
.
R
eadPublicGroups
()
webserver
()
terminate
:=
make
(
chan
os
.
Signal
,
1
)
...
...
stats/stats.go
0 → 100644
View file @
2347417f
package
stats
import
(
"sort"
"time"
"sfu/group"
)
type
GroupStats
struct
{
Name
string
Clients
[]
*
Client
}
type
Client
struct
{
Id
string
Up
,
Down
[]
Conn
}
type
Statable
interface
{
GetStats
()
*
Client
}
type
Conn
struct
{
Id
string
MaxBitrate
uint64
Tracks
[]
Track
}
type
Track
struct
{
Bitrate
uint64
MaxBitrate
uint64
Loss
uint8
Rtt
time
.
Duration
Jitter
time
.
Duration
}
func
GetGroups
()
[]
GroupStats
{
names
:=
group
.
GetNames
()
gs
:=
make
([]
GroupStats
,
0
,
len
(
names
))
for
_
,
name
:=
range
names
{
g
:=
group
.
Get
(
name
)
if
g
==
nil
{
continue
}
clients
:=
g
.
GetClients
(
nil
)
stats
:=
GroupStats
{
Name
:
name
,
Clients
:
make
([]
*
Client
,
0
,
len
(
clients
)),
}
for
_
,
c
:=
range
clients
{
s
,
ok
:=
c
.
(
Statable
)
if
ok
{
cs
:=
s
.
GetStats
()
stats
.
Clients
=
append
(
stats
.
Clients
,
cs
)
}
else
{
stats
.
Clients
=
append
(
stats
.
Clients
,
&
Client
{
Id
:
c
.
Id
()},
)
}
}
sort
.
Slice
(
stats
.
Clients
,
func
(
i
,
j
int
)
bool
{
return
stats
.
Clients
[
i
]
.
Id
<
stats
.
Clients
[
j
]
.
Id
})
gs
=
append
(
gs
,
stats
)
}
sort
.
Slice
(
gs
,
func
(
i
,
j
int
)
bool
{
return
gs
[
i
]
.
Name
<
gs
[
j
]
.
Name
})
return
gs
}
webserver.go
View file @
2347417f
...
...
@@ -18,6 +18,11 @@ import (
"time"
"github.com/gorilla/websocket"
"sfu/disk"
"sfu/group"
"sfu/rtpconn"
"sfu/stats"
)
var
server
*
http
.
Server
...
...
@@ -47,8 +52,8 @@ func webserver() {
IdleTimeout
:
120
*
time
.
Second
,
}
server
.
RegisterOnShutdown
(
func
()
{
rangeGroups
(
func
(
g
*
g
roup
)
bool
{
go
g
.
s
hutdown
(
"server is shutting down"
)
group
.
Range
(
func
(
g
*
group
.
G
roup
)
bool
{
go
g
.
S
hutdown
(
"server is shutting down"
)
return
true
})
})
...
...
@@ -139,7 +144,7 @@ func groupHandler(w http.ResponseWriter, r *http.Request) {
return
}
g
,
err
:=
addGroup
(
name
,
nil
)
g
,
err
:=
group
.
Add
(
name
,
nil
)
if
err
!=
nil
{
if
os
.
IsNotExist
(
err
)
{
notFound
(
w
)
...
...
@@ -168,7 +173,7 @@ func publicHandler(w http.ResponseWriter, r *http.Request) {
return
}
g
:=
g
etPublicGroups
()
g
:=
g
roup
.
GetPublic
()
e
:=
json
.
NewEncoder
(
w
)
e
.
Encode
(
g
)
return
...
...
@@ -222,7 +227,7 @@ func statsHandler(w http.ResponseWriter, r *http.Request) {
return
}
s
tats
:=
getGroupStat
s
()
s
s
:=
stats
.
GetGroup
s
()
fmt
.
Fprintf
(
w
,
"<!DOCTYPE html>
\n
<html><head>
\n
"
)
fmt
.
Fprintf
(
w
,
"<title>Stats</title>
\n
"
)
...
...
@@ -239,51 +244,51 @@ func statsHandler(w http.ResponseWriter, r *http.Request) {
return
err
}
printTrack
:=
func
(
w
io
.
Writer
,
t
trackStats
)
{
printTrack
:=
func
(
w
io
.
Writer
,
t
stats
.
Track
)
{
fmt
.
Fprintf
(
w
,
"<tr><td></td><td></td><td></td>"
)
fmt
.
Fprintf
(
w
,
"<td>"
)
printBitrate
(
w
,
t
.
bitrate
,
t
.
m
axBitrate
)
printBitrate
(
w
,
t
.
Bitrate
,
t
.
M
axBitrate
)
fmt
.
Fprintf
(
w
,
"</td>"
)
fmt
.
Fprintf
(
w
,
"<td>%d%%</td>"
,
t
.
l
oss
,
t
.
L
oss
,
)
fmt
.
Fprintf
(
w
,
"<td>"
)
if
t
.
r
tt
>
0
{
fmt
.
Fprintf
(
w
,
"%v"
,
t
.
r
tt
)
if
t
.
R
tt
>
0
{
fmt
.
Fprintf
(
w
,
"%v"
,
t
.
R
tt
)
}
if
t
.
j
itter
>
0
{
fmt
.
Fprintf
(
w
,
"±%v"
,
t
.
j
itter
)
if
t
.
J
itter
>
0
{
fmt
.
Fprintf
(
w
,
"±%v"
,
t
.
J
itter
)
}
fmt
.
Fprintf
(
w
,
"</td>"
)
fmt
.
Fprintf
(
w
,
"</tr>"
)
}
for
_
,
gs
:=
range
s
tat
s
{
fmt
.
Fprintf
(
w
,
"<p>%v</p>
\n
"
,
html
.
EscapeString
(
gs
.
n
ame
))
for
_
,
gs
:=
range
ss
{
fmt
.
Fprintf
(
w
,
"<p>%v</p>
\n
"
,
html
.
EscapeString
(
gs
.
N
ame
))
fmt
.
Fprintf
(
w
,
"<table>"
)
for
_
,
cs
:=
range
gs
.
c
lients
{
fmt
.
Fprintf
(
w
,
"<tr><td>%v</td></tr>
\n
"
,
cs
.
i
d
)
for
_
,
up
:=
range
cs
.
u
p
{
for
_
,
cs
:=
range
gs
.
C
lients
{
fmt
.
Fprintf
(
w
,
"<tr><td>%v</td></tr>
\n
"
,
cs
.
I
d
)
for
_
,
up
:=
range
cs
.
U
p
{
fmt
.
Fprintf
(
w
,
"<tr><td></td><td>Up</td><td>%v</td>"
,
up
.
i
d
)
if
up
.
m
axBitrate
>
0
{
up
.
I
d
)
if
up
.
M
axBitrate
>
0
{
fmt
.
Fprintf
(
w
,
"<td>%v</td>"
,
up
.
m
axBitrate
)
up
.
M
axBitrate
)
}
fmt
.
Fprintf
(
w
,
"</tr>
\n
"
)
for
_
,
t
:=
range
up
.
t
racks
{
for
_
,
t
:=
range
up
.
T
racks
{
printTrack
(
w
,
t
)
}
}
for
_
,
down
:=
range
cs
.
d
own
{
for
_
,
down
:=
range
cs
.
D
own
{
fmt
.
Fprintf
(
w
,
"<tr><td></td><td>Down</td><td> %v</td>"
,
down
.
i
d
)
if
down
.
m
axBitrate
>
0
{
down
.
I
d
)
if
down
.
M
axBitrate
>
0
{
fmt
.
Fprintf
(
w
,
"<td>%v</td>"
,
down
.
m
axBitrate
)
down
.
M
axBitrate
)
}
fmt
.
Fprintf
(
w
,
"</tr>
\n
"
)
for
_
,
t
:=
range
down
.
t
racks
{
for
_
,
t
:=
range
down
.
T
racks
{
printTrack
(
w
,
t
)
}
}
...
...
@@ -302,7 +307,7 @@ func wsHandler(w http.ResponseWriter, r *http.Request) {
return
}
go
func
()
{
err
:=
s
tartClient
(
conn
)
err
:=
rtpconn
.
S
tartClient
(
conn
)
if
err
!=
nil
{
log
.
Printf
(
"client: %v"
,
err
)
}
...
...
@@ -322,7 +327,7 @@ func recordingsHandler(w http.ResponseWriter, r *http.Request) {
return
}
f
,
err
:=
os
.
Open
(
filepath
.
Join
(
recordingsDir
,
pth
))
f
,
err
:=
os
.
Open
(
filepath
.
Join
(
disk
.
Directory
,
pth
))
if
err
!=
nil
{
if
os
.
IsNotExist
(
err
)
{
notFound
(
w
)
...
...
@@ -389,7 +394,7 @@ func handleGroupAction(w http.ResponseWriter, r *http.Request, group string) {
return
}
err
:=
os
.
Remove
(
filepath
.
Join
(
recordingsDir
,
group
+
"/"
+
filename
),
filepath
.
Join
(
disk
.
Directory
,
group
+
"/"
+
filename
),
)
if
err
!=
nil
{
if
os
.
IsPermission
(
err
)
{
...
...
@@ -409,8 +414,8 @@ func handleGroupAction(w http.ResponseWriter, r *http.Request, group string) {
}
}
func
checkGroupPermissions
(
w
http
.
ResponseWriter
,
r
*
http
.
Request
,
group
string
)
bool
{
desc
,
err
:=
g
etDescription
(
group
)
func
checkGroupPermissions
(
w
http
.
ResponseWriter
,
r
*
http
.
Request
,
group
name
string
)
bool
{
desc
,
err
:=
g
roup
.
GetDescription
(
groupname
)
if
err
!=
nil
{
return
false
}
...
...
@@ -420,7 +425,7 @@ func checkGroupPermissions(w http.ResponseWriter, r *http.Request, group string)
return
false
}
p
,
err
:=
getPermission
(
desc
,
c
lientCredentials
{
user
,
pass
})
p
,
err
:=
desc
.
GetPermission
(
group
.
C
lientCredentials
{
user
,
pass
})
if
err
!=
nil
||
!
p
.
Record
{
return
false
}
...
...
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