working websocket implementation

ws/structs.go

@@ -0,0 +1,54 @@
+package ws
+
+import (
+	"log/slog"
+	"sync"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+type WebsocketGateway struct {
+	port          int
+	apiKey        string
+	bodySizeBytes int64
+
+	upgrader   websocket.Upgrader
+	modConnsMu sync.Mutex
+	modConns   map[*websocket.Conn]struct{}
+
+	botConnsMu sync.Mutex
+	botConns   map[*websocket.Conn]*sync.Mutex
+	outgoingCh chan GatewayMessageOut
+
+	logger  *slog.Logger
+	closefn func() error
+}
+
+type User struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
+
+type GatewayMessageIn struct {
+	MsgID      string                 `json:"msg_id"`
+	Server     string                 `json:"server"`
+	User       User                   `json:"user"`
+	Content    string                 `json:"content"`
+	Meta       map[string]interface{} `json:"meta,omitempty"`
+	Ts         string                 `json:"ts,omitempty"`
+	ReceivedAt time.Time              `json:"-"` // ReceivedAt is populated by gateway (not from mod)
+}
+
+type GatewayMessageOut struct {
+	Type        string           `json:"type"` // "message"
+	Payload     GatewayMessageIn `json:"payload"`
+	ForwardedBy string           `json:"forwarded_by"` // "ws"/"http"
+	ForwardedAt time.Time        `json:"forwarded_at"`
+}
+
+type BotAck struct {
+	Type   string `json:"type"` // "acknowledge"
+	MsgID  string `json:"msg_id"`
+	Status string `json:"status,omitempty"` // "queued"/"sent"
+}