carto
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grpc


			
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    <h1 class="page-title">Source: index.js</h1>

    
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            <pre class="prettyprint source linenums"><code>/**
 * @license
 * Copyright 2015, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

'use strict';

var path = require('path');
var fs = require('fs');

var SSL_ROOTS_PATH = path.resolve(__dirname, '..', '..', 'etc', 'roots.pem');

var _ = require('lodash');

var ProtoBuf = require('protobufjs');

var client = require('./src/client.js');

var server = require('./src/server.js');

var common = require('./src/common.js');

var Metadata = require('./src/metadata.js');

var grpc = require('./src/grpc_extension');

var protobuf_js_5_common = require('./src/protobuf_js_5_common');
var protobuf_js_6_common = require('./src/protobuf_js_6_common');

var constants = require('./src/constants.js');

grpc.setDefaultRootsPem(fs.readFileSync(SSL_ROOTS_PATH, 'ascii'));

/**
 * @namespace grpc
 */

/**
 * Load a ProtoBuf.js object as a gRPC object.
 * @memberof grpc
 * @alias grpc.loadObject
 * @param {Object} value The ProtoBuf.js reflection object to load
 * @param {Object=} options Options to apply to the loaded file
 * @param {bool=} [options.binaryAsBase64=false] deserialize bytes values as
 *     base64 strings instead of Buffers
 * @param {bool=} [options.longsAsStrings=true] deserialize long values as
 *     strings instead of objects
 * @param {bool=} [options.enumsAsStrings=true] deserialize enum values as
 *     strings instead of numbers. Only works with Protobuf.js 6 values.
 * @param {bool=} [options.deprecatedArgumentOrder=false] use the beta method
 *     argument order for client methods, with optional arguments after the
 *     callback. This option is only a temporary stopgap measure to smooth an
 *     API breakage. It is deprecated, and new code should not use it.
 * @param {(number|string)=} [options.protobufjsVersion='detect'] 5 and 6
 *     respectively indicate that an object from the corresponding version of
 *     Protobuf.js is provided in the value argument. If the option is 'detect',
 *     gRPC wll guess what the version is based on the structure of the value.
 * @return {Object&lt;string, *>} The resulting gRPC object.
 */
exports.loadObject = function loadObject(value, options) {
  options = _.defaults(options, common.defaultGrpcOptions);
  options = _.defaults(options, {'protobufjsVersion': 'detect'});
  var protobufjsVersion;
  if (options.protobufjsVersion === 'detect') {
    if (protobuf_js_6_common.isProbablyProtobufJs6(value)) {
      protobufjsVersion = 6;
    } else if (protobuf_js_5_common.isProbablyProtobufJs5(value)) {
      protobufjsVersion = 5;
    } else {
      var error_message = 'Could not detect ProtoBuf.js version. Please ' +
          'specify the version number with the "protobufjs_version" option';
      throw new Error(error_message);
    }
  } else {
    protobufjsVersion = options.protobufjsVersion;
  }
  switch (protobufjsVersion) {
    case 6: return protobuf_js_6_common.loadObject(value, options);
    case 5:
    return protobuf_js_5_common.loadObject(value, options);
    default:
    throw new Error('Unrecognized protobufjsVersion', protobufjsVersion);
  }
};

var loadObject = exports.loadObject;

/**
 * Load a gRPC object from a .proto file.
 * @memberof grpc
 * @alias grpc.load
 * @param {string|{root: string, file: string}} filename The file to load
 * @param {string=} format The file format to expect. Must be either 'proto' or
 *     'json'. Defaults to 'proto'
 * @param {Object=} options Options to apply to the loaded file
 * @param {bool=} [options.convertFieldsToCamelCase=false] Load this file with
 *     field names in camel case instead of their original case
 * @param {bool=} [options.binaryAsBase64=false] deserialize bytes values as
 *     base64 strings instead of Buffers
 * @param {bool=} [options.longsAsStrings=true] deserialize long values as
 *     strings instead of objects
 * @param {bool=} [options.deprecatedArgumentOrder=false] use the beta method
 *     argument order for client methods, with optional arguments after the
 *     callback. This option is only a temporary stopgap measure to smooth an
 *     API breakage. It is deprecated, and new code should not use it.
 * @return {Object&lt;string, *>} The resulting gRPC object
 */
exports.load = function load(filename, format, options) {
  options = _.defaults(options, common.defaultGrpcOptions);
  options.protobufjsVersion = 5;
  if (!format) {
    format = 'proto';
  }
  var convertFieldsToCamelCaseOriginal = ProtoBuf.convertFieldsToCamelCase;
  if(options &amp;&amp; options.hasOwnProperty('convertFieldsToCamelCase')) {
    ProtoBuf.convertFieldsToCamelCase = options.convertFieldsToCamelCase;
  }
  var builder;
  try {
    switch(format) {
      case 'proto':
      builder = ProtoBuf.loadProtoFile(filename);
      break;
      case 'json':
      builder = ProtoBuf.loadJsonFile(filename);
      break;
      default:
      throw new Error('Unrecognized format "' + format + '"');
    }
  } finally {
    ProtoBuf.convertFieldsToCamelCase = convertFieldsToCamelCaseOriginal;
  }
  return loadObject(builder.ns, options);
};

var log_template = _.template(
    '{severity} {timestamp}\t{file}:{line}]\t{message}',
    {interpolate: /{([\s\S]+?)}/g});

/**
 * Sets the logger function for the gRPC module. For debugging purposes, the C
 * core will log synchronously directly to stdout unless this function is
 * called. Note: the output format here is intended to be informational, and
 * is not guaranteed to stay the same in the future.
 * Logs will be directed to logger.error.
 * @memberof grpc
 * @alias grpc.setLogger
 * @param {Console} logger A Console-like object.
 */
exports.setLogger = function setLogger(logger) {
  common.logger = logger;
  grpc.setDefaultLoggerCallback(function(file, line, severity,
                                         message, timestamp) {
    logger.error(log_template({
      file: path.basename(file),
      line: line,
      severity: severity,
      message: message,
      timestamp: timestamp.toISOString()
    }));
  });
};

/**
 * Sets the logger verbosity for gRPC module logging. The options are members
 * of the grpc.logVerbosity map.
 * @memberof grpc
 * @alias grpc.setLogVerbosity
 * @param {Number} verbosity The minimum severity to log
 */
exports.setLogVerbosity = function setLogVerbosity(verbosity) {
  common.logVerbosity = verbosity;
  grpc.setLogVerbosity(verbosity);
};

exports.Server = server.Server;

exports.Metadata = Metadata;

exports.status = constants.status;

exports.propagate = constants.propagate;

exports.callError = constants.callError;

exports.writeFlags = constants.writeFlags;

exports.logVerbosity = constants.logVerbosity;

exports.credentials = require('./src/credentials.js');

/**
 * ServerCredentials factories
 * @constructor ServerCredentials
 * @memberof grpc
 */
exports.ServerCredentials = grpc.ServerCredentials;

/**
 * Create insecure server credentials
 * @name grpc.ServerCredentials.createInsecure
 * @kind function
 * @return grpc.ServerCredentials
 */

/**
 * A private key and certificate pair
 * @typedef {Object} grpc.ServerCredentials~keyCertPair
 * @property {Buffer} privateKey The server's private key
 * @property {Buffer} certChain The server's certificate chain
 */

/**
 * Create SSL server credentials
 * @name grpc.ServerCredentials.createInsecure
 * @kind function
 * @param {?Buffer} rootCerts Root CA certificates for validating client
 *     certificates
 * @param {Array&lt;grpc.ServerCredentials~keyCertPair>} keyCertPairs A list of
 *     private key and certificate chain pairs to be used for authenticating
 *     the server
 * @param {boolean} [checkClientCertificate=false] Indicates that the server
 *     should request and verify the client's certificates
 * @return grpc.ServerCredentials
 */

exports.makeGenericClientConstructor = client.makeClientConstructor;

exports.getClientChannel = client.getClientChannel;

exports.waitForClientReady = client.waitForClientReady;

/**
 * @memberof grpc
 * @alias grpc.closeClient
 * @param {grpc.Client} client_obj The client to close
 */
exports.closeClient = function closeClient(client_obj) {
  client.Client.prototype.close.apply(client_obj);
};

exports.Client = client.Client;
</code></pre>
        </article>
    </section>


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    <h2><a href="index.html">Home</a></h2><h3>Externals</h3><ul><li><a href="external-Duplex.html">Duplex</a></li><li><a href="external-EventEmitter.html">EventEmitter</a></li><li><a href="external-GoogleCredential.html">GoogleCredential</a></li><li><a href="external-Readable.html">Readable</a></li><li><a href="external-Writable.html">Writable</a></li></ul><h3>Classes</h3><ul><li><a href="grpc.Client.html">Client</a></li><li><a href="grpc.credentials-CallCredentials.html">CallCredentials</a></li><li><a href="grpc.credentials-ChannelCredentials.html">ChannelCredentials</a></li><li><a href="grpc.Metadata.html">Metadata</a></li><li><a href="grpc.Server.html">Server</a></li><li><a href="grpc.ServerCredentials.html">ServerCredentials</a></li><li><a href="grpc-ClientDuplexStream.html">ClientDuplexStream</a></li><li><a href="grpc-ClientReadableStream.html">ClientReadableStream</a></li><li><a href="grpc-ClientUnaryCall.html">ClientUnaryCall</a></li><li><a href="grpc-ClientWritableStream.html">ClientWritableStream</a></li><li><a href="grpc-ServerDuplexStream.html">ServerDuplexStream</a></li><li><a href="grpc-ServerReadableStream.html">ServerReadableStream</a></li><li><a href="grpc-ServerUnaryCall.html">ServerUnaryCall</a></li><li><a href="grpc-ServerWritableStream.html">ServerWritableStream</a></li></ul><h3>Events</h3><ul><li><a href="grpc-ClientDuplexStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientDuplexStream.html#event:status">status</a></li><li><a href="grpc-ClientReadableStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientReadableStream.html#event:status">status</a></li><li><a href="grpc-ClientUnaryCall.html#event:metadata">metadata</a></li><li><a href="grpc-ClientUnaryCall.html#event:status">status</a></li><li><a href="grpc-ClientWritableStream.html#event:metadata">metadata</a></li><li><a href="grpc-ClientWritableStream.html#event:status">status</a></li><li><a href="grpc-ServerDuplexStream.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerReadableStream.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerUnaryCall.html#~event:cancelled">cancelled</a></li><li><a href="grpc-ServerWritableStream.html#~event:cancelled">cancelled</a></li></ul><h3>Namespaces</h3><ul><li><a href="grpc.html">grpc</a></li><li><a href="grpc.credentials.html">credentials</a></li></ul>
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