as-thrift.js

// Copyright (c) 2020 Uber Technologies, Inc.
//
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// of this software and associated documentation files (the "Software"), to deal
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// THE SOFTWARE.

'use strict';

var TChannelAsThrift = require('../as/thrift');
var TChannel = require('../channel');
// In sync with ../docs/as-thrift.md hereafter
var fs = require('fs');
var path = require('path');

var server = TChannel({serviceName: 'server'});

var client = TChannel();
var echoChannel = client.makeSubChannel({
    serviceName: 'echo',
    peers: ['127.0.0.1:4040']
});
var thriftPath = path.join(__dirname, 'echo.thrift');
var tchannelThrift = TChannelAsThrift({
    channel: echoChannel,
    entryPoint: thriftPath
});

var context = {};
tchannelThrift.register(server, 'Echo::echo', context, echo);
function echo(context, req, head, body, callback) {
    callback(null, {
        ok: true,
        head: head,
        body: body
    });
}

server.listen(4040, '127.0.0.1', onListening);
function onListening() {
    tchannelThrift.request({
        serviceName: 'echo',
        headers: {
            cn: 'echo'
        },
        hasNoParent: true
    }).send('Echo::echo', {
        someHeader: 'headerValue'
    }, {
        value: 'some-string'
    }, onResponse);

    function onResponse(err, res) {
        if (err) {
            console.log('got error', err);
        } else {
            console.log('got response', res);
        }

        server.close();
        client.close();
    }
}