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Make the requested field of client requests into a dictionary.

This commit is contained in:
Juliusz Chroboczek 2020-05-18 00:35:58 +02:00
parent b265aacd32
commit 037f002a29
3 changed files with 55 additions and 13 deletions

View file

@ -91,6 +91,53 @@ func isWSNormalError(err error) bool {
websocket.CloseGoingAway)
}
type rateMap map[string]uint32
func (v *rateMap) UnmarshalJSON(b []byte) error {
var m map[string]interface{}
err := json.Unmarshal(b, &m)
if err != nil {
return err
}
n := make(map[string]uint32, len(m))
for k, w := range m {
switch w := w.(type) {
case bool:
if w {
n[k] = ^uint32(0)
} else {
n[k] = 0
}
case float64:
if w < 0 || w >= float64(^uint32(0)) {
return errors.New("overflow")
}
n[k] = uint32(w)
default:
return errors.New("unexpected type in JSON map")
}
}
*v = n
return nil
}
func (v rateMap) MarshalJSON() ([]byte, error) {
m := make(map[string]interface{}, len(v))
for k, w := range v {
switch w {
case 0:
m[k] = false
case ^uint32(0):
m[k] = true
default:
m[k] = w
}
}
return json.Marshal(m)
}
type clientMessage struct {
Type string `json:"type"`
Id string `json:"id,omitempty"`
@ -105,7 +152,7 @@ type clientMessage struct {
Candidate *webrtc.ICECandidateInit `json:"candidate,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
Del bool `json:"del,omitempty"`
Request []string `json:"request,omitempty"`
Request rateMap `json:"request,omitempty"`
}
type closeMessage struct {
@ -927,7 +974,7 @@ func gotICE(c *client, candidate *webrtc.ICECandidateInit, id string) error {
return pc.AddICECandidate(*candidate)
}
func (c *client) setRequested(requested []string) error {
func (c *client) setRequested(requested map[string]uint32) error {
if c.down != nil {
for id := range c.down {
c.write(clientMessage{
@ -951,12 +998,7 @@ func (c *client) setRequested(requested []string) error {
}
func (c *client) isRequested(label string) bool {
for _, r := range c.requested {
if label == r {
return true
}
}
return false
return c.requested[label] != 0
}
func addDownConnTracks(c *client, remote *upConnection, tracks []*upTrack) (*downConnection, error) {
@ -1002,7 +1044,7 @@ func clientLoop(c *client, conn *websocket.Conn) error {
go clientReader(conn, read, c.done)
defer func() {
c.setRequested([]string{})
c.setRequested(map[string]uint32{})
if c.up != nil {
for id := range c.up {
delUpConn(c, id)

View file

@ -171,7 +171,7 @@ type client struct {
id string
username string
permissions userPermission
requested []string
requested map[string]uint32
done chan struct{}
writeCh chan interface{}
writerDone chan struct{}

View file

@ -563,13 +563,13 @@ function sendRequest(value) {
let request = [];
switch(value) {
case 'audio':
request = ['audio'];
request = {audio: true};
break;
case 'screenshare':
request = ['audio', 'screenshare'];
request = {audio: true, screenshare: true};
break;
case 'everything':
request = ['audio', 'screenshare', 'video'];
request = {audio: true, screenshare: true, video: true};
break;
default:
console.error(`Uknown value ${value} in sendRequest`);