"use strict";

/**
 * Streaming RPC helpers.
 * @namespace
 */
var rpc = exports;

/**
 * RPC implementation passed to {@link Service#create} performing a service request on network level, i.e. by utilizing http requests or websockets.
 * @typedef RPCImpl
 * @type {function}
 * @param {Method|rpc.ServiceMethod<Message<{}>,Message<{}>>} method Reflected or static method being called
 * @param {Uint8Array} requestData Request data
 * @param {RPCImplCallback} callback Callback function
 * @returns {undefined}
 * @example
 * function rpcImpl(method, requestData, callback) {
 *     if (protobuf.util.lcFirst(method.name) !== "myMethod") // compatible with static code
 *         throw Error("no such method");
 *     asynchronouslyObtainAResponse(requestData, function(err, responseData) {
 *         callback(err, responseData);
 *     });
 * }
 */

/**
 * Node-style callback as used by {@link RPCImpl}.
 * @typedef RPCImplCallback
 * @type {function}
 * @param {Error|null} error Error, if any, otherwise `null`
 * @param {Uint8Array|null} [response] Response data or `null` to signal end of stream, if there hasn't been an error
 * @returns {undefined}
 */

rpc.Service = require("./rpc/service");