wehub-resource-sync
27 lines
787 B
TypeScript
27 lines
787 B
TypeScript
/**
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* @fileoverview RR V3 Keepalive Protocol Constants
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* @description Shared protocol constants for Background-Offscreen keepalive communication
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*/
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/** Keepalive Port 名称 */
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export const RR_V3_KEEPALIVE_PORT_NAME = 'rr_v3_keepalive' as const;
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/** Keepalive 消息类型 */
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export type KeepaliveMessageType =
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| 'keepalive.ping'
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| 'keepalive.pong'
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| 'keepalive.start'
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| 'keepalive.stop';
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/** Keepalive 消息 */
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export interface KeepaliveMessage {
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type: KeepaliveMessageType;
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timestamp: number;
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}
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/** 默认心跳间隔（毫秒） - Offscreen 每隔这个间隔发送 ping */
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export const DEFAULT_KEEPALIVE_PING_INTERVAL_MS = 20_000;
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/** 最大心跳间隔（毫秒）- Chrome MV3 SW 约 30s 空闲后终止 */
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export const MAX_KEEPALIVE_PING_INTERVAL_MS = 25_000;
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