mirror of
https://github.com/owncast/owncast.git
synced 2024-12-24 01:58:28 +03:00
abb2f363af
* Decouple the chat package from the core * Add rest api endpoints for the chat aspect
119 lines
2.2 KiB
Go
119 lines
2.2 KiB
Go
package chat
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import (
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"fmt"
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"io"
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"time"
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log "github.com/sirupsen/logrus"
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"golang.org/x/net/websocket"
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"github.com/gabek/owncast/models"
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"github.com/gabek/owncast/utils"
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)
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const channelBufSize = 100
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//Client represents a chat client.
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type Client struct {
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ConnectedAt time.Time
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MessageCount int
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id string
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ws *websocket.Conn
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ch chan models.ChatMessage
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pingch chan models.PingMessage
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doneCh chan bool
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}
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//NewClient creates a new chat client
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func NewClient(ws *websocket.Conn) *Client {
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if ws == nil {
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log.Panicln("ws cannot be nil")
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}
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ch := make(chan models.ChatMessage, channelBufSize)
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doneCh := make(chan bool)
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pingch := make(chan models.PingMessage)
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clientID := utils.GenerateClientIDFromRequest(ws.Request())
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return &Client{time.Now(), 0, clientID, ws, ch, pingch, doneCh}
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}
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//GetConnection gets the connection for the client
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func (c *Client) GetConnection() *websocket.Conn {
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return c.ws
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}
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func (c *Client) Write(msg models.ChatMessage) {
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select {
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case c.ch <- msg:
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default:
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_server.remove(c)
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_server.err(fmt.Errorf("client %s is disconnected", c.id))
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}
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}
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//Done marks the client as done
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func (c *Client) Done() {
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c.doneCh <- true
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}
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// Listen Write and Read request via chanel
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func (c *Client) Listen() {
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go c.listenWrite()
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c.listenRead()
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}
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// Listen write request via chanel
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func (c *Client) listenWrite() {
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for {
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select {
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// Send a PING keepalive
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case msg := <-c.pingch:
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websocket.JSON.Send(c.ws, msg)
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// send message to the client
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case msg := <-c.ch:
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msg.MessageType = "CHAT"
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// log.Println("Send:", msg)
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websocket.JSON.Send(c.ws, msg)
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// receive done request
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case <-c.doneCh:
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_server.remove(c)
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c.doneCh <- true // for listenRead method
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return
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}
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}
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}
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// Listen read request via chanel
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func (c *Client) listenRead() {
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for {
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select {
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// receive done request
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case <-c.doneCh:
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_server.remove(c)
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c.doneCh <- true // for listenWrite method
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return
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// read data from websocket connection
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default:
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var msg models.ChatMessage
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if err := websocket.JSON.Receive(c.ws, &msg); err == io.EOF {
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c.doneCh <- true
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return
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} else if err != nil {
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_server.err(err)
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} else {
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c.MessageCount++
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msg.ClientID = c.id
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_server.SendToAll(msg)
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}
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}
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}
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}
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