https://github.com/you21979/node-agent-fsm

https://github.com/you21979/node-agent-fsm

Last synced: 3 days ago
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• Host: GitHub
• URL: https://github.com/you21979/node-agent-fsm
• Owner: you21979
• Created: 2014-10-27T14:25:49.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2019-06-20T08:01:43.000Z (over 5 years ago)
• Last Synced: 2024-04-24T13:16:58.773Z (7 months ago)
• Language: JavaScript
• Size: 8.79 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
node-agent-fsm

==============

install

-------

```

npm i agent-fsm

```

example

-------

```

const rp = require('request-promise');

const FSM = require('..');

const STATE = {

    NONE : 0,

    DOWNLOAD : 1,

    RETRY : 2,

    FINISH : 3,

}

const EVENTS = []

EVENTS[STATE.NONE] = FSM.dummyEvent;

EVENTS[STATE.DOWNLOAD] = FSM.makeEvent({

    begin:ctx => {

        Promise.all(

            ["https://api.github.com/users/you21979", "https://api.github.com/users/you21979/repos"].

            map(url => rp({url:url,timeout:3000,method:"GET",headers:{"User-Agent":"test"}}))

        ).then(res => {

            ctx.data = res

            ctx.m.update(STATE.FINISH)

        }).catch( e => {

            console.log(e)

            ctx.m.update(STATE.RETRY)

        })

    },   

});

EVENTS[STATE.RETRY] = FSM.makeEvent({

    begin : ctx => {

        setTimeout(() => ctx.m.update(STATE.DOWNLOAD), 2000)

    }

})

EVENTS[STATE.FINISH] = FSM.makeEvent({

    begin : ctx => {

        ctx.isExit = true

        console.log(ctx.data)

    }

})

const main = () => {

    const ctx = {isExit : false}

    ctx.m = FSM.makeStateMachine(ctx, EVENTS);

    ctx.m.update(STATE.DOWNLOAD)

    const update = () => {

        if(ctx.isExit) return

        ctx.m.tick();

        setImmediate(() => update(), 0)

    }

    update();

}

main()

```