添加 initSocket({stateManager}) 参数,自动更新外部的状态变量 stateManager.socketAlive
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3f7ce6b195
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15
unisocket.js
15
unisocket.js
@ -3,13 +3,15 @@ const my = {
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reconnecting: undefined,
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heartbeating: undefined,
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listeners: {},
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heartbeatInterval: 20000,
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reconnectInterval: 5000
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}
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export default {
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isAlive () {
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return my.socket && (my.socket.readyState === my.socket.OPEN)
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},
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initSocket (url, relogin = false) {
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initSocket ({ url, relogin = false, stateManager = {} } = {}) {
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if (!my.socket || (my.socket.readyState !== my.socket.OPEN && typeof url === 'string')) {
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console.log({ _at: new Date().toJSON(), about: `WebSocket is connecting to ${url}...` })
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my.socket = uni.connectSocket({
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@ -18,10 +20,11 @@ export default {
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})
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my.socket.onOpen((res) => {
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console.log({ _at: new Date().toJSON(), about: 'WebSocket onOpen: ', res })
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stateManager.socketAlive = true
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clearInterval(my.reconnecting)
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delete my.reconnecting
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// 前端断线重连时,并不会自动提供 _passtoken。在前端initSocket时,应当把_passtoken送给后台,而后台则对_passtoken做验证后再加socketPool。
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// 前端断线重连时,并不会自动提供 _passtoken,应当把_passtoken送给后台,而后台则对_passtoken做验证后再加socketPool。
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if (relogin && uni.getStorageSync('_passtoken')) {
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console.log({ _at: new Date().toJSON(), about: 'Reporting owner for reconnecting socket' })
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my.socket.send({ data: JSON.stringify({ skevent: 'SOCKET_OWNER_RECONNECT', _passtoken: uni.getStorageSync('_passtoken') }) })
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@ -34,18 +37,20 @@ export default {
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clearInterval(my.heartbeating)
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delete my.heartbeating
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}
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}, 20000) // 定期发送心跳,避免被关闭
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}, my.heartbeatInterval) // 定期发送心跳,避免被关闭
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})
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my.socket.onClose((res) => {
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console.log({ _at: new Date().toJSON(), about: 'Websocket onClose: ', res })
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stateManager.socketAlive = false
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if (!my.reconnecting)
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my.reconnecting = setInterval(() => {
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console.log({ _at: new Date().toJSON(), about: 'Websocket reconnecting...' })
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this.initSocket(url, true)
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}, 5000) // 每5秒尝试重连
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this.initSocket({ url, relogin: true, stateManager })
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}, my.reconnectInterval) // 定时尝试重连
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})
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my.socket.onError((err) => {
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console.log({ _at: new Date().toJSON(), about: 'Websocket onError: ', err })
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stateManager.socketAlive = false
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})
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my.socket.onMessage(({ data }) => {
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// 在这里统一分发消息(用户端通常不需要返回结果给服务器,因此不用 rpc 模式,而用 event 模式。
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