mirror of https://github.com/grpc/grpc.git
murgatroid99
10 years ago
parent
a6793f2dd6
commit
d7e8765aaa
3 changed files with 208 additions and 14 deletions
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// Copyright 2015, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var async = require('async'); |
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var fs = require('fs'); |
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var _ = require('underscore'); |
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var grpc = require('..'); |
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var examples = grpc.load(__dirname + '/route_guide.proto').examples; |
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var client = new examples.RouteGuide('localhost:50051'); |
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var COORD_FACTOR = 1e7; |
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function runGetFeature(callback) { |
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var next = _.after(2, callback); |
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function featureCallback(error, feature) { |
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if (error) { |
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callback(error); |
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} |
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if (feature.name === '') { |
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console.log('Found no feature at ' + |
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feature.location.latitude/COORD_FACTOR + ', ' + |
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feature.location.longitude/COORD_FACTOR); |
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} else { |
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console.log('Found feature called "' + feature.name + '" at ' + |
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feature.location.latitude/COORD_FACTOR + ', ' + |
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feature.location.longitude/COORD_FACTOR); |
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} |
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next(); |
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} |
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var point1 = { |
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latitude: 409146138, |
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longitude: -746188906 |
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}; |
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var point2 = { |
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latitude: 0, |
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longitude: 0 |
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}; |
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client.getFeature(point1, featureCallback); |
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client.getFeature(point2, featureCallback); |
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} |
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function runListFeatures(callback) { |
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var rectangle = { |
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lo: { |
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latitude: 400000000, |
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longitude: -750000000 |
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}, |
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hi: { |
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latitude: 420000000, |
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longitude: -730000000 |
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} |
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}; |
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console.log('Looking for features between 40, -75 and 42, -73'); |
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var call = client.listFeatures(rectangle); |
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call.on('data', function(feature) { |
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console.log('Found feature called "' + feature.name + '" at ' + |
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feature.location.latitude/COORD_FACTOR + ', ' + |
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feature.location.longitude/COORD_FACTOR); |
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}); |
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call.on('end', callback); |
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} |
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function runRecordRoute(callback) { |
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fs.readFile(__dirname + '/route_guide_db.json', function(err, data) { |
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if (err) callback(err); |
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var feature_list = JSON.parse(data); |
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var num_points = 10; |
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var call = client.recordRoute(function(error, stats) { |
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if (error) { |
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callback(error); |
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} |
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console.log('Finished trip with', stats.point_count, 'points'); |
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console.log('Passed', stats.feature_count, 'features'); |
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console.log('Travelled', stats.distance, 'meters'); |
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console.log('It took', stats.elapsed_time, 'seconds'); |
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callback(); |
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}); |
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function pointSender(lat, lng) { |
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return function(callback) { |
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console.log('Visiting point ' + lat/COORD_FACTOR + ', ' + |
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lng/COORD_FACTOR); |
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call.write({ |
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latitude: lat, |
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longitude: lng |
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}); |
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_.delay(callback, _.random(500, 1500)); |
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}; |
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} |
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var point_senders = []; |
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for (var i = 0; i < num_points; i++) { |
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var rand_point = feature_list[_.random(0, feature_list.length - 1)]; |
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point_senders[i] = pointSender(rand_point.location.latitude, |
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rand_point.location.longitude); |
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} |
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async.series(point_senders, function() { |
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call.end(); |
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}); |
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}); |
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} |
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function runRouteChat(callback) { |
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var call = client.routeChat(); |
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call.on('data', function(note) { |
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console.log('Got message "' + note.message + '" at ' + |
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note.location.latitude + ', ' + note.location.longitude); |
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}); |
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call.on('end', callback); |
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var notes = [{ |
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location: { |
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latitude: 0, |
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longitude: 0 |
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}, |
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message: 'First message' |
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}, { |
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location: { |
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latitude: 0, |
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longitude: 1 |
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}, |
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message: 'Second message' |
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}, { |
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location: { |
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latitude: 1, |
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longitude: 0 |
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}, |
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message: 'Third message' |
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}, { |
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location: { |
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latitude: 0, |
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longitude: 0 |
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}, |
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message: 'Fourth message' |
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}]; |
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for (var i = 0; i < notes.length; i++) { |
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var note = notes[i]; |
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console.log('Sending message "' + note.message + '" at ' + |
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note.location.latitude + ', ' + note.location.longitude); |
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call.write(note); |
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} |
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call.end(); |
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} |
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function main() { |
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async.series([ |
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runGetFeature, |
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runListFeatures, |
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runRecordRoute, |
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runRouteChat |
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]); |
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} |
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if (require.main === module) { |
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main(); |
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} |
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exports.runGetFeature = runGetFeature; |
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exports.runListFeatures = runListFeatures; |
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exports.runRecordRoute = runRecordRoute; |
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exports.runRouteChat = runRouteChat; |
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