initial commit

tests/integration/gateway_client_common.go

@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package integration
+
+import (
+	"encoding/json"
+	"github.com/gorilla/websocket"
+	"net/http"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+const (
+	gatewayOpDispatch         = 0
+	gatewayOpHeartbeat        = 1
+	gatewayOpIdentify         = 2
+	gatewayOpVoiceStateUpdate = 4
+	gatewayOpResume           = 6
+	gatewayOpReconnect        = 7
+	gatewayOpInvalidSession   = 9
+	gatewayOpHello            = 10
+	gatewayOpHeartbeatAck     = 11
+	gatewayOpGatewayError     = 12
+)
+
+type gatewayResumeState struct {
+	SessionID string
+	Sequence  int64
+}
+
+type gatewayClient struct {
+	token      string
+	gatewayURL string
+	headers    http.Header
+
+	conn *websocket.Conn
+
+	helloCh         chan gatewayHelloPayload
+	readySignal     chan struct{}
+	resumedSignal   chan struct{}
+	dispatchCh      chan gatewayDispatch
+	errCh           chan error
+	pendingMu       sync.Mutex
+	pendingDispatch []gatewayDispatch
+
+	heartbeatMu    sync.Mutex
+	heartbeatTimer *time.Ticker
+	heartbeatDone  chan struct{}
+
+	writeMu sync.Mutex
+	wg      sync.WaitGroup
+
+	sessionMu sync.Mutex
+	sessionID string
+
+	sequence atomic.Int64
+	closed   atomic.Bool
+}
+
+type gatewayHelloPayload struct {
+	HeartbeatInterval int `json:"heartbeat_interval"`
+}
+
+type gatewayPayload struct {
+	Op       int             `json:"op"`
+	Data     json.RawMessage `json:"d"`
+	Sequence *int            `json:"s"`
+	Type     string          `json:"t"`
+}
+
+type gatewayDispatch struct {
+	Type     string
+	Data     json.RawMessage
+	Sequence int64
+}