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How to use GrpcRequest method in tracetest

Best JavaScript code snippet using tracetest

grpctest_pb.js

Source:grpctest_pb.js

1/**2 * @fileoverview3 * @enhanceable4 * @suppress {messageConventions} JS Compiler reports an error if a variable or5 *     field starts with 'MSG_' and isn't a translatable message.6 * @public7 */8// GENERATED CODE -- DO NOT EDIT!9var jspb = require('google-protobuf');10var goog = jspb;11var global = Function('return this')();12goog.exportSymbol('proto.grpcserver.GrpcHandshakeRequest', null, global);13goog.exportSymbol('proto.grpcserver.GrpcHandshakeResponse', null, global);14goog.exportSymbol('proto.grpcserver.GrpcRequest', null, global);15goog.exportSymbol('proto.grpcserver.GrpcResponse', null, global);16/**17 * Generated by JsPbCodeGenerator.18 * @param {Array=} opt_data Optional initial data array, typically from a19 * server response, or constructed directly in Javascript. The array is used20 * in place and becomes part of the constructed object. It is not cloned.21 * If no data is provided, the constructed object will be empty, but still22 * valid.23 * @extends {jspb.Message}24 * @constructor25 */26proto.grpcserver.GrpcHandshakeRequest = function(opt_data) {27  jspb.Message.initialize(this, opt_data, 0, -1, null, null);28};29goog.inherits(proto.grpcserver.GrpcHandshakeRequest, jspb.Message);30if (goog.DEBUG && !COMPILED) {31  /**32   * @public33   * @override34   */35  proto.grpcserver.GrpcHandshakeRequest.displayName = 'proto.grpcserver.GrpcHandshakeRequest';36}37/**38 * Generated by JsPbCodeGenerator.39 * @param {Array=} opt_data Optional initial data array, typically from a40 * server response, or constructed directly in Javascript. The array is used41 * in place and becomes part of the constructed object. It is not cloned.42 * If no data is provided, the constructed object will be empty, but still43 * valid.44 * @extends {jspb.Message}45 * @constructor46 */47proto.grpcserver.GrpcHandshakeResponse = function(opt_data) {48  jspb.Message.initialize(this, opt_data, 0, -1, null, null);49};50goog.inherits(proto.grpcserver.GrpcHandshakeResponse, jspb.Message);51if (goog.DEBUG && !COMPILED) {52  /**53   * @public54   * @override55   */56  proto.grpcserver.GrpcHandshakeResponse.displayName = 'proto.grpcserver.GrpcHandshakeResponse';57}58/**59 * Generated by JsPbCodeGenerator.60 * @param {Array=} opt_data Optional initial data array, typically from a61 * server response, or constructed directly in Javascript. The array is used62 * in place and becomes part of the constructed object. It is not cloned.63 * If no data is provided, the constructed object will be empty, but still64 * valid.65 * @extends {jspb.Message}66 * @constructor67 */68proto.grpcserver.GrpcRequest = function(opt_data) {69  jspb.Message.initialize(this, opt_data, 0, -1, null, null);70};71goog.inherits(proto.grpcserver.GrpcRequest, jspb.Message);72if (goog.DEBUG && !COMPILED) {73  /**74   * @public75   * @override76   */77  proto.grpcserver.GrpcRequest.displayName = 'proto.grpcserver.GrpcRequest';78}79/**80 * Generated by JsPbCodeGenerator.81 * @param {Array=} opt_data Optional initial data array, typically from a82 * server response, or constructed directly in Javascript. The array is used83 * in place and becomes part of the constructed object. It is not cloned.84 * If no data is provided, the constructed object will be empty, but still85 * valid.86 * @extends {jspb.Message}87 * @constructor88 */89proto.grpcserver.GrpcResponse = function(opt_data) {90  jspb.Message.initialize(this, opt_data, 0, -1, null, null);91};92goog.inherits(proto.grpcserver.GrpcResponse, jspb.Message);93if (goog.DEBUG && !COMPILED) {94  /**95   * @public96   * @override97   */98  proto.grpcserver.GrpcResponse.displayName = 'proto.grpcserver.GrpcResponse';99}100if (jspb.Message.GENERATE_TO_OBJECT) {101/**102 * Creates an object representation of this proto suitable for use in Soy templates.103 * Field names that are reserved in JavaScript and will be renamed to pb_name.104 * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.105 * For the list of reserved names please see:106 *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.107 * @param {boolean=} opt_includeInstance Whether to include the JSPB instance108 *     for transitional soy proto support: http://goto/soy-param-migration109 * @return {!Object}110 */111proto.grpcserver.GrpcHandshakeRequest.prototype.toObject = function(opt_includeInstance) {112  return proto.grpcserver.GrpcHandshakeRequest.toObject(opt_includeInstance, this);113};114/**115 * Static version of the {@see toObject} method.116 * @param {boolean|undefined} includeInstance Whether to include the JSPB117 *     instance for transitional soy proto support:118 *     http://goto/soy-param-migration119 * @param {!proto.grpcserver.GrpcHandshakeRequest} msg The msg instance to transform.120 * @return {!Object}121 * @suppress {unusedLocalVariables} f is only used for nested messages122 */123proto.grpcserver.GrpcHandshakeRequest.toObject = function(includeInstance, msg) {124  var f, obj = {125  };126  if (includeInstance) {127    obj.$jspbMessageInstance = msg;128  }129  return obj;130};131}132/**133 * Deserializes binary data (in protobuf wire format).134 * @param {jspb.ByteSource} bytes The bytes to deserialize.135 * @return {!proto.grpcserver.GrpcHandshakeRequest}136 */137proto.grpcserver.GrpcHandshakeRequest.deserializeBinary = function(bytes) {138  var reader = new jspb.BinaryReader(bytes);139  var msg = new proto.grpcserver.GrpcHandshakeRequest;140  return proto.grpcserver.GrpcHandshakeRequest.deserializeBinaryFromReader(msg, reader);141};142/**143 * Deserializes binary data (in protobuf wire format) from the144 * given reader into the given message object.145 * @param {!proto.grpcserver.GrpcHandshakeRequest} msg The message object to deserialize into.146 * @param {!jspb.BinaryReader} reader The BinaryReader to use.147 * @return {!proto.grpcserver.GrpcHandshakeRequest}148 */149proto.grpcserver.GrpcHandshakeRequest.deserializeBinaryFromReader = function(msg, reader) {150  while (reader.nextField()) {151    if (reader.isEndGroup()) {152      break;153    }154    var field = reader.getFieldNumber();155    switch (field) {156    default:157      reader.skipField();158      break;159    }160  }161  return msg;162};163/**164 * Serializes the message to binary data (in protobuf wire format).165 * @return {!Uint8Array}166 */167proto.grpcserver.GrpcHandshakeRequest.prototype.serializeBinary = function() {168  var writer = new jspb.BinaryWriter();169  proto.grpcserver.GrpcHandshakeRequest.serializeBinaryToWriter(this, writer);170  return writer.getResultBuffer();171};172/**173 * Serializes the given message to binary data (in protobuf wire174 * format), writing to the given BinaryWriter.175 * @param {!proto.grpcserver.GrpcHandshakeRequest} message176 * @param {!jspb.BinaryWriter} writer177 * @suppress {unusedLocalVariables} f is only used for nested messages178 */179proto.grpcserver.GrpcHandshakeRequest.serializeBinaryToWriter = function(message, writer) {180  var f = undefined;181};182if (jspb.Message.GENERATE_TO_OBJECT) {183/**184 * Creates an object representation of this proto suitable for use in Soy templates.185 * Field names that are reserved in JavaScript and will be renamed to pb_name.186 * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.187 * For the list of reserved names please see:188 *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.189 * @param {boolean=} opt_includeInstance Whether to include the JSPB instance190 *     for transitional soy proto support: http://goto/soy-param-migration191 * @return {!Object}192 */193proto.grpcserver.GrpcHandshakeResponse.prototype.toObject = function(opt_includeInstance) {194  return proto.grpcserver.GrpcHandshakeResponse.toObject(opt_includeInstance, this);195};196/**197 * Static version of the {@see toObject} method.198 * @param {boolean|undefined} includeInstance Whether to include the JSPB199 *     instance for transitional soy proto support:200 *     http://goto/soy-param-migration201 * @param {!proto.grpcserver.GrpcHandshakeResponse} msg The msg instance to transform.202 * @return {!Object}203 * @suppress {unusedLocalVariables} f is only used for nested messages204 */205proto.grpcserver.GrpcHandshakeResponse.toObject = function(includeInstance, msg) {206  var f, obj = {207    userid: jspb.Message.getFieldWithDefault(msg, 1, "")208  };209  if (includeInstance) {210    obj.$jspbMessageInstance = msg;211  }212  return obj;213};214}215/**216 * Deserializes binary data (in protobuf wire format).217 * @param {jspb.ByteSource} bytes The bytes to deserialize.218 * @return {!proto.grpcserver.GrpcHandshakeResponse}219 */220proto.grpcserver.GrpcHandshakeResponse.deserializeBinary = function(bytes) {221  var reader = new jspb.BinaryReader(bytes);222  var msg = new proto.grpcserver.GrpcHandshakeResponse;223  return proto.grpcserver.GrpcHandshakeResponse.deserializeBinaryFromReader(msg, reader);224};225/**226 * Deserializes binary data (in protobuf wire format) from the227 * given reader into the given message object.228 * @param {!proto.grpcserver.GrpcHandshakeResponse} msg The message object to deserialize into.229 * @param {!jspb.BinaryReader} reader The BinaryReader to use.230 * @return {!proto.grpcserver.GrpcHandshakeResponse}231 */232proto.grpcserver.GrpcHandshakeResponse.deserializeBinaryFromReader = function(msg, reader) {233  while (reader.nextField()) {234    if (reader.isEndGroup()) {235      break;236    }237    var field = reader.getFieldNumber();238    switch (field) {239    case 1:240      var value = /** @type {string} */ (reader.readString());241      msg.setUserid(value);242      break;243    default:244      reader.skipField();245      break;246    }247  }248  return msg;249};250/**251 * Serializes the message to binary data (in protobuf wire format).252 * @return {!Uint8Array}253 */254proto.grpcserver.GrpcHandshakeResponse.prototype.serializeBinary = function() {255  var writer = new jspb.BinaryWriter();256  proto.grpcserver.GrpcHandshakeResponse.serializeBinaryToWriter(this, writer);257  return writer.getResultBuffer();258};259/**260 * Serializes the given message to binary data (in protobuf wire261 * format), writing to the given BinaryWriter.262 * @param {!proto.grpcserver.GrpcHandshakeResponse} message263 * @param {!jspb.BinaryWriter} writer264 * @suppress {unusedLocalVariables} f is only used for nested messages265 */266proto.grpcserver.GrpcHandshakeResponse.serializeBinaryToWriter = function(message, writer) {267  var f = undefined;268  f = message.getUserid();269  if (f.length > 0) {270    writer.writeString(271      1,272      f273    );274  }275};276/**277 * optional string userId = 1;278 * @return {string}279 */280proto.grpcserver.GrpcHandshakeResponse.prototype.getUserid = function() {281  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 1, ""));282};283/** @param {string} value */284proto.grpcserver.GrpcHandshakeResponse.prototype.setUserid = function(value) {285  jspb.Message.setProto3StringField(this, 1, value);286};287if (jspb.Message.GENERATE_TO_OBJECT) {288/**289 * Creates an object representation of this proto suitable for use in Soy templates.290 * Field names that are reserved in JavaScript and will be renamed to pb_name.291 * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.292 * For the list of reserved names please see:293 *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.294 * @param {boolean=} opt_includeInstance Whether to include the JSPB instance295 *     for transitional soy proto support: http://goto/soy-param-migration296 * @return {!Object}297 */298proto.grpcserver.GrpcRequest.prototype.toObject = function(opt_includeInstance) {299  return proto.grpcserver.GrpcRequest.toObject(opt_includeInstance, this);300};301/**302 * Static version of the {@see toObject} method.303 * @param {boolean|undefined} includeInstance Whether to include the JSPB304 *     instance for transitional soy proto support:305 *     http://goto/soy-param-migration306 * @param {!proto.grpcserver.GrpcRequest} msg The msg instance to transform.307 * @return {!Object}308 * @suppress {unusedLocalVariables} f is only used for nested messages309 */310proto.grpcserver.GrpcRequest.toObject = function(includeInstance, msg) {311  var f, obj = {312    message: jspb.Message.getFieldWithDefault(msg, 1, ""),313    user: jspb.Message.getFieldWithDefault(msg, 2, ""),314    recipient: jspb.Message.getFieldWithDefault(msg, 3, "")315  };316  if (includeInstance) {317    obj.$jspbMessageInstance = msg;318  }319  return obj;320};321}322/**323 * Deserializes binary data (in protobuf wire format).324 * @param {jspb.ByteSource} bytes The bytes to deserialize.325 * @return {!proto.grpcserver.GrpcRequest}326 */327proto.grpcserver.GrpcRequest.deserializeBinary = function(bytes) {328  var reader = new jspb.BinaryReader(bytes);329  var msg = new proto.grpcserver.GrpcRequest;330  return proto.grpcserver.GrpcRequest.deserializeBinaryFromReader(msg, reader);331};332/**333 * Deserializes binary data (in protobuf wire format) from the334 * given reader into the given message object.335 * @param {!proto.grpcserver.GrpcRequest} msg The message object to deserialize into.336 * @param {!jspb.BinaryReader} reader The BinaryReader to use.337 * @return {!proto.grpcserver.GrpcRequest}338 */339proto.grpcserver.GrpcRequest.deserializeBinaryFromReader = function(msg, reader) {340  while (reader.nextField()) {341    if (reader.isEndGroup()) {342      break;343    }344    var field = reader.getFieldNumber();345    switch (field) {346    case 1:347      var value = /** @type {string} */ (reader.readString());348      msg.setMessage(value);349      break;350    case 2:351      var value = /** @type {string} */ (reader.readString());352      msg.setUser(value);353      break;354    case 3:355      var value = /** @type {string} */ (reader.readString());356      msg.setRecipient(value);357      break;358    default:359      reader.skipField();360      break;361    }362  }363  return msg;364};365/**366 * Serializes the message to binary data (in protobuf wire format).367 * @return {!Uint8Array}368 */369proto.grpcserver.GrpcRequest.prototype.serializeBinary = function() {370  var writer = new jspb.BinaryWriter();371  proto.grpcserver.GrpcRequest.serializeBinaryToWriter(this, writer);372  return writer.getResultBuffer();373};374/**375 * Serializes the given message to binary data (in protobuf wire376 * format), writing to the given BinaryWriter.377 * @param {!proto.grpcserver.GrpcRequest} message378 * @param {!jspb.BinaryWriter} writer379 * @suppress {unusedLocalVariables} f is only used for nested messages380 */381proto.grpcserver.GrpcRequest.serializeBinaryToWriter = function(message, writer) {382  var f = undefined;383  f = message.getMessage();384  if (f.length > 0) {385    writer.writeString(386      1,387      f388    );389  }390  f = message.getUser();391  if (f.length > 0) {392    writer.writeString(393      2,394      f395    );396  }397  f = message.getRecipient();398  if (f.length > 0) {399    writer.writeString(400      3,401      f402    );403  }404};405/**406 * optional string message = 1;407 * @return {string}408 */409proto.grpcserver.GrpcRequest.prototype.getMessage = function() {410  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 1, ""));411};412/** @param {string} value */413proto.grpcserver.GrpcRequest.prototype.setMessage = function(value) {414  jspb.Message.setProto3StringField(this, 1, value);415};416/**417 * optional string user = 2;418 * @return {string}419 */420proto.grpcserver.GrpcRequest.prototype.getUser = function() {421  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 2, ""));422};423/** @param {string} value */424proto.grpcserver.GrpcRequest.prototype.setUser = function(value) {425  jspb.Message.setProto3StringField(this, 2, value);426};427/**428 * optional string recipient = 3;429 * @return {string}430 */431proto.grpcserver.GrpcRequest.prototype.getRecipient = function() {432  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 3, ""));433};434/** @param {string} value */435proto.grpcserver.GrpcRequest.prototype.setRecipient = function(value) {436  jspb.Message.setProto3StringField(this, 3, value);437};438if (jspb.Message.GENERATE_TO_OBJECT) {439/**440 * Creates an object representation of this proto suitable for use in Soy templates.441 * Field names that are reserved in JavaScript and will be renamed to pb_name.442 * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.443 * For the list of reserved names please see:444 *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.445 * @param {boolean=} opt_includeInstance Whether to include the JSPB instance446 *     for transitional soy proto support: http://goto/soy-param-migration447 * @return {!Object}448 */449proto.grpcserver.GrpcResponse.prototype.toObject = function(opt_includeInstance) {450  return proto.grpcserver.GrpcResponse.toObject(opt_includeInstance, this);451};452/**453 * Static version of the {@see toObject} method.454 * @param {boolean|undefined} includeInstance Whether to include the JSPB455 *     instance for transitional soy proto support:456 *     http://goto/soy-param-migration457 * @param {!proto.grpcserver.GrpcResponse} msg The msg instance to transform.458 * @return {!Object}459 * @suppress {unusedLocalVariables} f is only used for nested messages460 */461proto.grpcserver.GrpcResponse.toObject = function(includeInstance, msg) {462  var f, obj = {463    message: jspb.Message.getFieldWithDefault(msg, 1, "")464  };465  if (includeInstance) {466    obj.$jspbMessageInstance = msg;467  }468  return obj;469};470}471/**472 * Deserializes binary data (in protobuf wire format).473 * @param {jspb.ByteSource} bytes The bytes to deserialize.474 * @return {!proto.grpcserver.GrpcResponse}475 */476proto.grpcserver.GrpcResponse.deserializeBinary = function(bytes) {477  var reader = new jspb.BinaryReader(bytes);478  var msg = new proto.grpcserver.GrpcResponse;479  return proto.grpcserver.GrpcResponse.deserializeBinaryFromReader(msg, reader);480};481/**482 * Deserializes binary data (in protobuf wire format) from the483 * given reader into the given message object.484 * @param {!proto.grpcserver.GrpcResponse} msg The message object to deserialize into.485 * @param {!jspb.BinaryReader} reader The BinaryReader to use.486 * @return {!proto.grpcserver.GrpcResponse}487 */488proto.grpcserver.GrpcResponse.deserializeBinaryFromReader = function(msg, reader) {489  while (reader.nextField()) {490    if (reader.isEndGroup()) {491      break;492    }493    var field = reader.getFieldNumber();494    switch (field) {495    case 1:496      var value = /** @type {string} */ (reader.readString());497      msg.setMessage(value);498      break;499    default:500      reader.skipField();501      break;502    }503  }504  return msg;505};506/**507 * Serializes the message to binary data (in protobuf wire format).508 * @return {!Uint8Array}509 */510proto.grpcserver.GrpcResponse.prototype.serializeBinary = function() {511  var writer = new jspb.BinaryWriter();512  proto.grpcserver.GrpcResponse.serializeBinaryToWriter(this, writer);513  return writer.getResultBuffer();514};515/**516 * Serializes the given message to binary data (in protobuf wire517 * format), writing to the given BinaryWriter.518 * @param {!proto.grpcserver.GrpcResponse} message519 * @param {!jspb.BinaryWriter} writer520 * @suppress {unusedLocalVariables} f is only used for nested messages521 */522proto.grpcserver.GrpcResponse.serializeBinaryToWriter = function(message, writer) {523  var f = undefined;524  f = message.getMessage();525  if (f.length > 0) {526    writer.writeString(527      1,528      f529    );530  }531};532/**533 * optional string message = 1;534 * @return {string}535 */536proto.grpcserver.GrpcResponse.prototype.getMessage = function() {537  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 1, ""));538};539/** @param {string} value */540proto.grpcserver.GrpcResponse.prototype.setMessage = function(value) {541  jspb.Message.setProto3StringField(this, 1, value);542};...

index.js

Source:index.js

1const debug = require('debug')('grpc-express');2const config = require('rc')('grpc-express', {3  proxyUnaryCalls: true,4  proxyServerStreamCalls: true,5  unaryCallsTimeout: 5000,6  serverStreamCallsTimeout: 100007});8function toUpperCaseFirstLetter(string) {9  return string.charAt(0).toUpperCase() + string.slice(1);10}11function toLowerCaseFirstLetter(string) {12  return string.charAt(0).toLowerCase() + string.slice(1);13}14function routeToPathKeys(route) {15  const functionName = route.split('/').slice(-1)[0];16  return {17    upper: route.replace(functionName, toUpperCaseFirstLetter(functionName)),18    lower: route.replace(functionName, toLowerCaseFirstLetter(functionName)),19    name: toLowerCaseFirstLetter(functionName)20  };21}22class Middleware {23  constructor(grpcClient, opts) {24    opts = opts || {};25    this._opts = Object.assign({}, config, opts);26    debug('gRPC middleware constructed', this._opts);27    this._grpcClient = grpcClient;28    this._unaryCalls = new Map();29    this._serverStreamCalls = new Map();30    if (this._opts.proxyUnaryCalls) {31      [32        ...new Set(33          Object.keys(grpcClient.__proto__)34            .filter(35              route =>36                !grpcClient[route].requestStream &&37                !grpcClient[route].responseStream38            )39            .map(route => grpcClient[route].path)40        )41      ].filter(r => r).forEach(route => {42        const keys = routeToPathKeys(route);43        this._unaryCalls.set(keys.lower, keys.name);44        this._unaryCalls.set(keys.upper, keys.name);45      });46      debug('gRPC unary calls', this._unaryCalls);47    } else {48      debug('gRPC unary calls are not proxied');49    }50    if (this._opts.proxyServerStreamCalls) {51      [52        ...new Set(53          Object.keys(grpcClient.__proto__)54            .filter(55              route =>56                !grpcClient[route].requestStream &&57                grpcClient[route].responseStream58            )59            .map(route => grpcClient[route].path)60        )61      ].filter(r => r).forEach(route => {62        const keys = routeToPathKeys(route);63        this._serverStreamCalls.set(keys.lower, keys.name);64        this._serverStreamCalls.set(keys.upper, keys.name);65      });66      debug('gRPC server stream calls', this._serverStreamCalls);67    } else {68      debug('gRPC server stream calls are not proxied');69    }70  }71  proxy(req, res, next) {72    if (this._unaryCalls.has(req.path)) this.proxyUnaryCall(req, res);73    else if (this._serverStreamCalls.has(req.path))74      this.proxyServerStreamCall(req, res);75    else next();76  }77  proxyUnaryCall(req, res) {78    let timedout = false;79    // look at https://github.com/grpc/grpc/issues/997380    // gRPC's node sdk is potato quality. it does not pass up the error.81    let timer = setTimeout(() => {82      timedout = true;83      res.status(504);84      res.end();85    }, this._opts.unaryCallsTimeout);86    (async () => {87      debug('gRPC unary proxy request', req);88      res.setHeader('Content-Type', 'application/json');89      const grpcRequest = await this.getBody(req).catch(err => {90        res.status(400).send(err);91      });92      if (!grpcRequest) return;93      this._grpcClient[this._unaryCalls.get(req.path)](94        grpcRequest,95        (err, response) => {96          if (timedout) {97            debug('gRPC call already timedout');98            return;99          }100          debug('gRPC unary end', err, response);101          if (err) res.status(502).send(err);102          else res.json(response);103          clearTimeout(timer);104        }105      );106    })();107  }108  proxyServerStreamCall(req, res) {109    (async () => {110      debug('gRPC server stream proxy request', req);111      res.setHeader('Content-Type', 'application/json');112      const grpcRequest = await this.getBody(req).catch(err => {113        res.status(400).send(err);114      });115      if (!grpcRequest) return;116      const stream = this._grpcClient[this._serverStreamCalls.get(req.path)](117        grpcRequest118      );119      let firstChunk = true;120      res.write('[');121      stream.on('data', chunk => {122        debug('gRPC server stream chunk', chunk);123        if (!firstChunk) res.write(',');124        res.write(JSON.stringify(chunk));125        firstChunk = false;126      });127      stream.on('end', () => {128        debug('gRPC server stream end');129        res.write(']');130        res.end();131      });132    })();133  }134  async getBody(req) {135    return new Promise((resolve, reject) => {136      let body = '';137      req.on('data', chunk => {138        body += chunk.toString();139      });140      req.on('end', () => {141        try {142          body = JSON.parse(body);143          debug('gRPC request body read', body);144          resolve(body);145        } catch (err) {146          debug('gRPC request body fail', err);147          reject(err);148        }149      });150    });151  }152}153function factory(grpcClient, opts) {154  const instance = new Middleware(grpcClient, opts);155  return instance.proxy.bind(instance);156}...

client.js

Source:client.js

1const grpc = require("grpc");2const protoLoader = require("@grpc/proto-loader");3const caller = require("grpc-caller");4const { response } = require("express");5const protopath = __dirname + "/guruMatch.proto"6const client = caller("localhost:50051", protopath, "GuruMatch");7module.exports = {8    createUser: (id, name) => {9        const userRequest = {10            "id": id,11            "name": name,12        }13        client.CreateUser(userRequest, (err, response) => {14            console.log("recieved From Server " + JSON.stringify(response))15        });16    },17    isUsernameExist: async (id) => {18        const grpcRequest = {19            "id": id20        }21        // if usernameExist is 2, that means user haven't set up the form22        // if 1, then show the homepage23        let usernameExist = 2;24        usernameExist = await client.IsUsernameExist(grpcRequest);//.then(res => {usernameExist = res});25        return usernameExist.success;26    },27    storeUserForm: (id, username, user_bio, user_description, 28        user_skill, user_industry, user_tag, profile_pic) => {29            const grpcRequest = {30                "id": id,31                "username": username,32                "userBio": user_bio,33                "userDescription": user_description,34                "userSkill": user_skill,35                "userIndustry": user_industry,36                "userTag": user_tag,37                "profilePic": profile_pic,38            }39            let res = 2;40            client.StoreUserForm(grpcRequest, (err, response) => {41                console.log("recieved from server (StoreUserForm) " + JSON.stringify(response));42            })43            return res44    },45    getUserProfile: async (id) => {46        const grpcRequest = {47            "id": id48        };49        let res = ""50        res =  await client.GetUserProfile(grpcRequest);51        return JSON.stringify(res)52    }, 53    createMentee: async (id, interests, description) => {54        const grpcRequest = {55            "id" : id,56            "interest" : interests,57            "menteeDescription" : description58        };59        let res = 260        res = await client.CreateMentee(grpcRequest);61        return res;62    },63    createMentor: async (id, interests, description) => {64        const grpcRequest = {65            "id" : id,66            "interest" : interests,67            "mentorDescription" : description68        };69        let res = 270        res = await client.CreateMentor(grpcRequest);71        return res;72    },73    getMatchMentors: async (id) => {74        const grpcRequest = {75            "id" : id76        };77        let res = await client.GetMatchMentors(grpcRequest);78        return JSON.stringify(res);79    },80    getMatchMentees: async (id) => {81        const grpcRequest = {82            "id" : id83        };84        let res = await client.GetMatchMentees(grpcRequest);85        //console.log(JSON.stringify(res))86        return JSON.stringify(res);87    },88    insertMentorSelectedMentee: async (menteeID, mentorID) => {89        console.log("menteeID : " + menteeID  + "mentorID : " + mentorID)90        const grpcRequest = {91            "menteeID" : menteeID,92            "mentorID" : mentorID93        };94        let res = await client.InsertMentorSelectedMentee(grpcRequest);95        return JSON.stringify(res);96    },97    insertMenteeSelectedMentor: async (menteeID, mentorID) => {98        console.log("menteeID : " + menteeID  + "mentorID : " + mentorID)99        const grpcRequest = {100            "menteeID" : menteeID,101            "mentorID" : mentorID102        };103        let res = await client.InsertMenteeSelectedMentor(grpcRequest);104        return JSON.stringify(res);105    },106    getAllMatches: async (userID) => {107        const grpcRequest = {108            "id" : userID109        };110        let res = await client.GetAllMatchesRequest(grpcRequest);111        return JSON.stringify(res);112    }113}114/*115async function test(userID) {116    const grpcRequest = {117        "id" : userID118    };119    let res = await client.GetAllMatchesRequest(grpcRequest).then(result => {return result});120    return JSON.stringify(res);...

Using AI Code Generation

1var path = require('path');2var grpc = require('grpc');3var protoLoader = require('@grpc/proto-loader');4var packageDefinition = protoLoader.loadSync(5    path.join(__dirname, 'tracetest.proto'),6    {7    });8var protoDescriptor = grpc.loadPackageDefinition(packageDefinition);9var tracetest = protoDescriptor.tracetest;10var client = new tracetest.GrpcRequest('localhost:50051',11                                       grpc.credentials.createInsecure());12var call = client.GrpcRequest({id: 'test'}, function(err, response) {13    console.log('Response: ', response);14});15call.on('data', function(data) {16    console.log('Data: ', data);17});18call.on('error', function(err) {19    console.log('Error: ', err);20});21call.on('end', function() {22    console.log('End');23});24syntax = "proto3";25package tracetest;26service GrpcRequest {27    rpc GrpcRequest (GrpcRequest) returns (stream GrpcResponse) {}28}29message GrpcRequest {30    string id = 1;31}32message GrpcResponse {33    string id = 1;34}35Data:  GrpcResponse { id: 'test' }36The problem is that the callback function is called before the call.on('data') event handler is called. I would expect the response to be returned to the callback function. Am I missing something?

Using AI Code Generation

1const tracetest = require('./tracetest_pb.js');2const grpc = require('grpc');3const client = new tracetest.TraceTest('localhost:50051', grpc.credentials.createInsecure());4const request = new tracetest.GrpcRequest();5request.setTraceId('test');6request.setSpanId('test');7request.setOperation('test');8request.setService('test');9request.setTagsMap({key: 'value'});10client.grpc(request, function(err, response) {11  console.log(response);12});13syntax = "proto3";14package tracetest;15service TraceTest {16  rpc grpc(GrpcRequest) returns (GrpcResponse) {}17}18message GrpcRequest {19  string trace_id = 1;20  string span_id = 2;21  string operation = 3;22  string service = 4;23  map<string, string> tags = 5;24}25message GrpcResponse {26  string trace_id = 1;27  string span_id = 2;28  string operation = 3;29  string service = 4;30  map<string, string> tags = 5;31}32'use strict';33var jspb = require('google-protobuf');34var goog = jspb;35var global = Function('return this')();36goog.exportSymbol('proto.tracetest.GrpcRequest', null, global);37goog.exportSymbol('proto.tracetest.GrpcResponse', null, global);38goog.exportSymbol('proto.tracetest.TraceTest', null, global);39goog.exportSymbol('proto.tracetest.TraceTestService', null, global);40goog.exportSymbol('proto.tracetest.TraceTestService.grpc', null, global);41goog.exportSymbol('proto.tracetest.TraceTestService.grpc.methodType', null, global);42goog.exportSymbol('proto.tracetest.TraceTestService.grpc.requestStream', null, global);43goog.exportSymbol('proto.tracetest.TraceTestService.grpc.responseStream', null, global);44goog.exportSymbol('proto.tracetest.TraceTestService.grpc.responseType', null, global);45goog.exportSymbol('proto.tr

Using AI Code Generation

1const { GrpcRequest } = require('tracetesting');2const trace = require('@opencensus/nodejs');3const rootSpan = trace.tracer.startRootSpan({ name: 'root' });4const request = new GrpcRequest({5    headers: { 'x-grpc-test-echo-initial': 'test_initial_metadata_value' }6});7rootSpan.end();8trace.tracer.stop();

Using AI Code Generation

1var grpcRequest = new GrpcRequest();2grpcRequest.method = 'GrpcRequest';3grpcRequest.request = 'test';4grpcRequest.send(function(err, response){5    if (err) {6        console.log(err);7    } else {8        console.log(response);9    }10});11syntax = "proto3";12package tracetest;13service TraceTest {14    rpc GrpcRequest (GrpcRequest) returns (GrpcResponse) {}15}16message GrpcRequest {17    string request = 1;18}19message GrpcResponse {20    string response = 1;21}22syntax = "proto3";23package tracetest;24service TraceTest {25    rpc GrpcRequest (GrpcRequest) returns (GrpcResponse) {}26}27message GrpcRequest {28    string request = 1;29}30message GrpcResponse {31    string response = 1;32}33var grpc = require('grpc');34var protoLoader = require('@grpc/proto-loader');35var packageDefinition = protoLoader.loadSync(36    {keepCase: true,37    });38var tracetest_proto = grpc.loadPackageDefinition(packageDefinition).tracetest;39var client = new tracetest_proto.TraceTest('localhost:50051', grpc.credentials.createInsecure());40client.GrpcRequest({request: 'test'}, function(err, response) {41    if (err) {42        console.log(err);43    } else {44        console.log(response);45    }46});47syntax = "proto3";48package tracetest;49service TraceTest {50    rpc GrpcRequest (GrpcRequest) returns (GrpcResponse) {}51}52message GrpcRequest {53    string request = 1;54}55message GrpcResponse {56    string response = 1;57}

Using AI Code Generation

1import { GrpcRequest } from "@azure/core-tracing";2import { GreeterClient } from "./generated/greeterClient";3import { HelloRequest } from "./generated/models";4async function main() {5  const request = new HelloRequest();6  request.setName("John");7  const span = tracer.startSpan("root");8  const response = await client.sayHello(request, {9    tracingOptions: {10      spanOptions: {11        parent: span.context(),12        attributes: { key: "value" }13      }14    }15  });16  console.log(`Greeting: ${response.getMessage()}`);17  span.end();18}19main();20private async sayHello(21): Promise<HelloReply> {22  const { span, updatedOptions } = createSpan(23    options || {}24  );25  const operationArguments: coreHttp.OperationArguments = {26    options: coreHttp.operationOptionsToRequestOptionsBase(updatedOptions)27  };28  try {29    const result = await this.client.sayHello(30    );31    return result as HelloReply;32  } catch (error) {33    span.setStatus({34    });35    throw error;36  } finally {37    span.end();38  }39}40function createSpan(41  options: coreHttp.OperationOptions = {}42): { span: Span; updatedOptions: coreHttp.OperationOptions } {43  const tracer = getTracer();44  const tracingOptions = {45    ...{46      spanOptions: {}47    },48  };49  const spanOptions = tracingOptions.spanOptions || {};50  const span = tracer.startSpan(`Azure.GreeterClient.${operationName}`, {51  });52  span.setAttribute("az.namespace", "Microsoft.Greeter");53  let newOptions = options || {};54  if (span.isRecording()) {55    newOptions = {56      tracingOptions: {

Using AI Code Generation

1var grpcRequest = new tracetest.GrpcRequest();2grpcRequest.setMethod("GET");3grpcRequest.setBody("Hello World");4grpcRequest.setHeadersList(["header1", "header2"]);5var grpcResponse = new tracetest.GrpcResponse();6grpcResponse.setStatus(200);7grpcResponse.setBody("Hello World");8grpcResponse.setHeadersList(["header1", "header2"]);9var grpcSpan = new tracetest.GrpcSpan();10grpcSpan.setSpanId("spanId");11grpcSpan.setSpanName("spanName");12grpcSpan.setSpanKind(1);13grpcSpan.setStartTime(123);14grpcSpan.setEndTime(456);15grpcSpan.setParentSpanId("parentSpanId");16grpcSpan.setTraceId("traceId");17grpcSpan.setStatus(1);18grpcSpan.setAttributesList(["attribute1", "attribute2"]);19grpcSpan.setTimeEventsList(["timeEvent1", "timeEvent2"]);20grpcSpan.setLinksList(["link1", "link2"]);21grpcSpan.setChildSpanCount(1);22grpcSpan.setGrpcRequest(grpcRequest);23grpcSpan.setGrpcResponse(grpcResponse);24var grpcTraceServiceConfig = new tracetest.GrpcTraceServiceConfig();25grpcTraceServiceConfig.setProjectId("projectId");26grpcTraceServiceConfig.setTraceId("traceId");27grpcTraceServiceConfig.setSpanId("spanId");28grpcTraceServiceConfig.setSpanName("spanName");29grpcTraceServiceConfig.setSpanKind(1);30grpcTraceServiceConfig.setStartTime(123);31grpcTraceServiceConfig.setEndTime(456);32grpcTraceServiceConfig.setParentSpanId("parentSpanId");33grpcTraceServiceConfig.setTraceId("traceId");34grpcTraceServiceConfig.setStatus(1);35grpcTraceServiceConfig.setAttributesList(["attribute1", "attribute2"]);36grpcTraceServiceConfig.setTimeEventsList(["timeEvent1", "timeEvent2"]);37grpcTraceServiceConfig.setLinksList(["link1", "link2"]);38grpcTraceServiceConfig.setChildSpanCount(1);39grpcTraceServiceConfig.setGrpcRequest(grpcRequest);40grpcTraceServiceConfig.setGrpcResponse(grpcResponse);

Using AI Code Generation

1var grpcRequest = new GrpcRequest();2grpcRequest.serviceName = "tracetest.TestService";3grpcRequest.methodName = "GetTestData";4grpcRequest.data = {5};6grpcRequest.send(function (err, response) {7    if (err) {8        console.log("Error: " + err);9    }10    else {11        console.log("Response: " + JSON.stringify(response));12    }13});14syntax = "proto3";15package tracetest;16service TestService {17    rpc GetTestData (TestDataRequest) returns (TestDataResponse) {}18}19message TestDataRequest {20    string name = 1;21    int32 id = 2;22}23message TestDataResponse {24    string name = 1;25    int32 id = 2;26}27var tracetest = {};28tracetest.TestService = {29    GetTestData: {30    }31}32tracetest.TestDataRequest = function (data) {33    this.name = data.name;34    this.id = data.id;35};36tracetest.TestDataResponse = function (data) {37    this.name = data.name;38    this.id = data.id;39};40module.exports = tracetest;41Response: {"name":"response name","id":1234}

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