diff --git a/build/dependencies.props b/build/dependencies.props index 45b8abf..ab35a83 100644 --- a/build/dependencies.props +++ b/build/dependencies.props @@ -25,6 +25,6 @@ 11.0.2 4.10.0-preview1-26831-06 - + diff --git a/scripts/Regenerate-JSFiles.ps1 b/scripts/Regenerate-JSFiles.ps1 new file mode 100644 index 0000000..ef3336c --- /dev/null +++ b/scripts/Regenerate-JSFiles.ps1 @@ -0,0 +1,28 @@ +[cmdletbinding(SupportsShouldProcess = $true)] +param( +) + +$ErrorActionPreference = 'Stop' +Set-StrictMode -Version 2 + +Push-Location "src" +try { + $dirs = Get-ChildItem -Directory + foreach($dir in $dirs) + { + Push-Location $dir + try{ + if(Test-Path -Path "package.json") + { + npm install + npm run build + } + } + finally{ + Pop-Location + } + } +} +finally { + Pop-Location +} diff --git a/src/Microsoft.AspNetCore.NodeServices.Sockets/Content/Node/entrypoint-socket.js b/src/Microsoft.AspNetCore.NodeServices.Sockets/Content/Node/entrypoint-socket.js index 89dafef..b9550ff 100644 --- a/src/Microsoft.AspNetCore.NodeServices.Sockets/Content/Node/entrypoint-socket.js +++ b/src/Microsoft.AspNetCore.NodeServices.Sockets/Content/Node/entrypoint-socket.js @@ -1,4 +1,4 @@ -(function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap +(function (e, a) { for (var i in a) e[i] = a[i]; }(exports, /******/(function (modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ @@ -6,15 +6,17 @@ /******/ function __webpack_require__(moduleId) { /******/ /******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) { +/******/ if (installedModules[moduleId]) { /******/ return installedModules[moduleId].exports; -/******/ } + /******/ + } /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ i: moduleId, /******/ l: false, /******/ exports: {} -/******/ }; + /******/ + }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); @@ -24,7 +26,8 @@ /******/ /******/ // Return the exports of the module /******/ return module.exports; -/******/ } + /******/ + } /******/ /******/ /******/ // expose the modules object (__webpack_modules__) @@ -34,47 +37,53 @@ /******/ __webpack_require__.c = installedModules; /******/ /******/ // define getter function for harmony exports -/******/ __webpack_require__.d = function(exports, name, getter) { -/******/ if(!__webpack_require__.o(exports, name)) { +/******/ __webpack_require__.d = function (exports, name, getter) { +/******/ if (!__webpack_require__.o(exports, name)) { /******/ Object.defineProperty(exports, name, { enumerable: true, get: getter }); -/******/ } -/******/ }; + /******/ + } + /******/ + }; /******/ /******/ // define __esModule on exports -/******/ __webpack_require__.r = function(exports) { -/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { +/******/ __webpack_require__.r = function (exports) { +/******/ if (typeof Symbol !== 'undefined' && Symbol.toStringTag) { /******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); -/******/ } + /******/ + } /******/ Object.defineProperty(exports, '__esModule', { value: true }); -/******/ }; + /******/ + }; /******/ /******/ // create a fake namespace object /******/ // mode & 1: value is a module id, require it /******/ // mode & 2: merge all properties of value into the ns /******/ // mode & 4: return value when already ns object /******/ // mode & 8|1: behave like require -/******/ __webpack_require__.t = function(value, mode) { -/******/ if(mode & 1) value = __webpack_require__(value); -/******/ if(mode & 8) return value; -/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; +/******/ __webpack_require__.t = function (value, mode) { +/******/ if (mode & 1) value = __webpack_require__(value); +/******/ if (mode & 8) return value; +/******/ if ((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; /******/ var ns = Object.create(null); /******/ __webpack_require__.r(ns); /******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value }); -/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key)); +/******/ if (mode & 2 && typeof value != 'string') for (var key in value) __webpack_require__.d(ns, key, function (key) { return value[key]; }.bind(null, key)); /******/ return ns; -/******/ }; + /******/ + }; /******/ /******/ // getDefaultExport function for compatibility with non-harmony modules -/******/ __webpack_require__.n = function(module) { +/******/ __webpack_require__.n = function (module) { /******/ var getter = module && module.__esModule ? /******/ function getDefault() { return module['default']; } : /******/ function getModuleExports() { return module; }; /******/ __webpack_require__.d(getter, 'a', getter); /******/ return getter; -/******/ }; + /******/ + }; /******/ /******/ // Object.prototype.hasOwnProperty.call -/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; +/******/ __webpack_require__.o = function (object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = ""; @@ -82,523 +91,536 @@ /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(__webpack_require__.s = 0); -/******/ }) + /******/ +}) /************************************************************************/ -/******/ ([ +/******/([ /* 0 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -module.exports = __webpack_require__(1); + module.exports = __webpack_require__(1); -/***/ }), + /***/ + }), /* 1 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -"use strict"; + "use strict"; -exports.__esModule = true; -// Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive, -// but simplifies things for the consumer of this module. -__webpack_require__(2); -var net = __webpack_require__(3); -var path = __webpack_require__(4); -var readline = __webpack_require__(5); -var ArgsUtil_1 = __webpack_require__(6); -var ExitWhenParentExits_1 = __webpack_require__(7); -var virtualConnectionServer = __webpack_require__(8); -// Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct -// reference to Node's runtime 'require' function. -var dynamicRequire = eval('require'); -// Signal to the .NET side when we're ready to accept invocations -var server = net.createServer().on('listening', function () { - console.log('[Microsoft.AspNetCore.NodeServices:Listening]'); -}); -// Each virtual connection represents a separate invocation -virtualConnectionServer.createInterface(server).on('connection', function (connection) { - readline.createInterface(connection, null).on('line', function (line) { - try { - // Get a reference to the function to invoke - var invocation = JSON.parse(line); - var invokedModule = dynamicRequire(path.resolve(process.cwd(), invocation.moduleName)); - var invokedFunction = invocation.exportedFunctionName ? invokedModule[invocation.exportedFunctionName] : invokedModule; - // Prepare a callback for accepting non-streamed JSON responses - var hasInvokedCallback_1 = false; - var invocationCallback = function (errorValue, successValue) { - if (hasInvokedCallback_1) { - throw new Error('Cannot supply more than one result. The callback has already been invoked,' - + ' or the result stream has already been accessed'); - } - hasInvokedCallback_1 = true; - connection.end(JSON.stringify({ - result: successValue, - errorMessage: errorValue && (errorValue.message || errorValue), - errorDetails: errorValue && (errorValue.stack || null) - })); - }; - // Also support streamed binary responses - Object.defineProperty(invocationCallback, 'stream', { - enumerable: true, - get: function () { - hasInvokedCallback_1 = true; - return connection; - } + exports.__esModule = true; + // Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive, + // but simplifies things for the consumer of this module. + __webpack_require__(2); + var net = __webpack_require__(3); + var path = __webpack_require__(4); + var readline = __webpack_require__(5); + var ArgsUtil_1 = __webpack_require__(6); + var ExitWhenParentExits_1 = __webpack_require__(7); + var virtualConnectionServer = __webpack_require__(8); + // Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct + // reference to Node's runtime 'require' function. + var dynamicRequire = eval('require'); + // Signal to the .NET side when we're ready to accept invocations + var server = net.createServer().on('listening', function () { + console.log('[Microsoft.AspNetCore.NodeServices:Listening]'); }); - // Actually invoke it, passing through any supplied args - invokedFunction.apply(null, [invocationCallback].concat(invocation.args)); - } - catch (ex) { - connection.end(JSON.stringify({ - errorMessage: ex.message, - errorDetails: ex.stack - })); - } - }); -}); -// Begin listening now. The underlying transport varies according to the runtime platform. -// On Windows it's Named Pipes; on Linux/OSX it's Domain Sockets. -var useWindowsNamedPipes = /^win/.test(process.platform); -var parsedArgs = ArgsUtil_1.parseArgs(process.argv); -var listenAddress = (useWindowsNamedPipes ? '\\\\.\\pipe\\' : '/tmp/') + parsedArgs.listenAddress; -server.listen(listenAddress); -ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid), /* ignoreSigint */ true); + // Each virtual connection represents a separate invocation + virtualConnectionServer.createInterface(server).on('connection', function (connection) { + readline.createInterface(connection, null).on('line', function (line) { + try { + // Get a reference to the function to invoke + var invocation = JSON.parse(line); + var invokedModule = dynamicRequire(path.resolve(process.cwd(), invocation.moduleName)); + var invokedFunction = invocation.exportedFunctionName ? invokedModule[invocation.exportedFunctionName] : invokedModule; + // Prepare a callback for accepting non-streamed JSON responses + var hasInvokedCallback_1 = false; + var invocationCallback = function (errorValue, successValue) { + if (hasInvokedCallback_1) { + throw new Error('Cannot supply more than one result. The callback has already been invoked,' + + ' or the result stream has already been accessed'); + } + hasInvokedCallback_1 = true; + connection.end(JSON.stringify({ + result: successValue, + errorMessage: errorValue && (errorValue.message || errorValue), + errorDetails: errorValue && (errorValue.stack || null) + })); + }; + // Also support streamed binary responses + Object.defineProperty(invocationCallback, 'stream', { + enumerable: true, + get: function () { + hasInvokedCallback_1 = true; + return connection; + } + }); + // Actually invoke it, passing through any supplied args + invokedFunction.apply(null, [invocationCallback].concat(invocation.args)); + } + catch (ex) { + connection.end(JSON.stringify({ + errorMessage: ex.message, + errorDetails: ex.stack + })); + } + }); + }); + // Begin listening now. The underlying transport varies according to the runtime platform. + // On Windows it's Named Pipes; on Linux/OSX it's Domain Sockets. + var useWindowsNamedPipes = /^win/.test(process.platform); + var parsedArgs = ArgsUtil_1.parseArgs(process.argv); + var listenAddress = (useWindowsNamedPipes ? '\\\\.\\pipe\\' : '/tmp/') + parsedArgs.listenAddress; + server.listen(listenAddress); + ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid), /* ignoreSigint */ true); -/***/ }), + /***/ + }), /* 2 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -// When Node writes to stdout/strerr, we capture that and convert the lines into calls on the -// active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing -// linebreaks inside log messages from the linebreaks that delimit separate log messages, -// so multiline strings will end up being written to the ILogger as multiple independent -// log messages. This makes them very hard to make sense of, especially when they represent -// something like stack traces. -// -// To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a -// marker token. When .NET receives the lines, it converts the marker tokens back to regular -// linebreaks within the logged messages. -// -// Note that it's better to do the interception at the stdout/stderr level, rather than at -// the console.log/console.error (etc.) level, because this takes place after any native -// message formatting has taken place (e.g., inserting values for % placeholders). -var findInternalNewlinesRegex = /\n(?!$)/g; -var encodedNewline = '__ns_newline__'; -encodeNewlinesWrittenToStream(process.stdout); -encodeNewlinesWrittenToStream(process.stderr); -function encodeNewlinesWrittenToStream(outputStream) { - var origWriteFunction = outputStream.write; - outputStream.write = function (value) { - // Only interfere with the write if it's definitely a string - if (typeof value === 'string') { - var argsClone = Array.prototype.slice.call(arguments, 0); - argsClone[0] = encodeNewlinesInString(value); - origWriteFunction.apply(this, argsClone); - } - else { - origWriteFunction.apply(this, arguments); - } - }; -} -function encodeNewlinesInString(str) { - return str.replace(findInternalNewlinesRegex, encodedNewline); -} + // When Node writes to stdout/strerr, we capture that and convert the lines into calls on the + // active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing + // linebreaks inside log messages from the linebreaks that delimit separate log messages, + // so multiline strings will end up being written to the ILogger as multiple independent + // log messages. This makes them very hard to make sense of, especially when they represent + // something like stack traces. + // + // To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a + // marker token. When .NET receives the lines, it converts the marker tokens back to regular + // linebreaks within the logged messages. + // + // Note that it's better to do the interception at the stdout/stderr level, rather than at + // the console.log/console.error (etc.) level, because this takes place after any native + // message formatting has taken place (e.g., inserting values for % placeholders). + var findInternalNewlinesRegex = /\n(?!$)/g; + var encodedNewline = '__ns_newline__'; + encodeNewlinesWrittenToStream(process.stdout); + encodeNewlinesWrittenToStream(process.stderr); + function encodeNewlinesWrittenToStream(outputStream) { + var origWriteFunction = outputStream.write; + outputStream.write = function (value) { + // Only interfere with the write if it's definitely a string + if (typeof value === 'string') { + var argsClone = Array.prototype.slice.call(arguments, 0); + argsClone[0] = encodeNewlinesInString(value); + origWriteFunction.apply(this, argsClone); + } + else { + origWriteFunction.apply(this, arguments); + } + }; + } + function encodeNewlinesInString(str) { + return str.replace(findInternalNewlinesRegex, encodedNewline); + } -/***/ }), + /***/ + }), /* 3 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -module.exports = require("net"); + module.exports = require("net"); -/***/ }), + /***/ + }), /* 4 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -module.exports = require("path"); + module.exports = require("path"); -/***/ }), + /***/ + }), /* 5 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -module.exports = require("readline"); + module.exports = require("readline"); -/***/ }), + /***/ + }), /* 6 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -"use strict"; + "use strict"; -exports.__esModule = true; -function parseArgs(args) { - // Very simplistic parsing which is sufficient for the cases needed. We don't want to bring in any external - // dependencies (such as an args-parsing library) to this file. - var result = {}; - var currentKey = null; - args.forEach(function (arg) { - if (arg.indexOf('--') === 0) { - var argName = arg.substring(2); - result[argName] = undefined; - currentKey = argName; - } - else if (currentKey) { - result[currentKey] = arg; - currentKey = null; - } - }); - return result; -} -exports.parseArgs = parseArgs; + exports.__esModule = true; + function parseArgs(args) { + // Very simplistic parsing which is sufficient for the cases needed. We don't want to bring in any external + // dependencies (such as an args-parsing library) to this file. + var result = {}; + var currentKey = null; + args.forEach(function (arg) { + if (arg.indexOf('--') === 0) { + var argName = arg.substring(2); + result[argName] = undefined; + currentKey = argName; + } + else if (currentKey) { + result[currentKey] = arg; + currentKey = null; + } + }); + return result; + } + exports.parseArgs = parseArgs; -/***/ }), + /***/ + }), /* 7 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -"use strict"; + "use strict"; -/* -In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit, -because we have no further use for them. If the .NET process shuts down gracefully, it will run its -finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately. - -But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have -any opportunity to shut down its child processes, and by default they will keep running. In this case, it's -up to the child process to detect this has happened and terminate itself. - -There are many possible approaches to detecting when a parent process has exited, most of which behave -differently between Windows and Linux/OS X: - - - On Windows, the parent process can mark its child as being a 'job' that should auto-terminate when - the parent does (http://stackoverflow.com/a/4657392). Not cross-platform. - - The child Node process can get a callback when the parent disconnects (process.on('disconnect', ...)). - But despite http://stackoverflow.com/a/16487966, no callback fires in any case I've tested (Windows / OS X). - - The child Node process can get a callback when its stdin/stdout are disconnected, as described at - http://stackoverflow.com/a/15693934. This works well on OS X, but calling stdout.resume() on Windows - causes the process to terminate prematurely. - - I don't know why, but on Windows, it's enough to invoke process.stdin.resume(). For some reason this causes - the child Node process to exit as soon as the parent one does, but I don't see this documented anywhere. - - You can poll to see if the parent process, or your stdin/stdout connection to it, is gone - - You can directly pass a parent process PID to the child, and then have the child poll to see if it's - still running (e.g., using process.kill(pid, 0), which doesn't kill it but just tests whether it exists, - as per https://nodejs.org/api/process.html#process_process_kill_pid_signal) - - Or, on each poll, you can try writing to process.stdout. If the parent has died, then this will throw. - However I don't see this documented anywhere. It would be nice if you could just poll for whether or not - process.stdout is still connected (without actually writing to it) but I haven't found any property whose - value changes until you actually try to write to it. - -Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling -to check whether the parent PID is still running. So that's what we do here. -*/ -exports.__esModule = true; -var pollIntervalMs = 1000; -function exitWhenParentExits(parentPid, ignoreSigint) { - setInterval(function () { - if (!processExists(parentPid)) { - // Can't log anything at this point, because out stdout was connected to the parent, - // but the parent is gone. - process.exit(); - } - }, pollIntervalMs); - if (ignoreSigint) { - // Pressing ctrl+c in the terminal sends a SIGINT to all processes in the foreground process tree. - // By default, the Node process would then exit before the .NET process, because ASP.NET implements - // a delayed shutdown to allow ongoing requests to complete. - // - // This is problematic, because if Node exits first, the CopyToAsync code in ConditionalProxyMiddleware - // will experience a read fault, and logs a huge load of errors. Fortunately, since the Node process is - // already set up to shut itself down if it detects the .NET process is terminated, all we have to do is - // ignore the SIGINT. The Node process will then terminate automatically after the .NET process does. - // - // A better solution would be to have WebpackDevMiddleware listen for SIGINT and gracefully close any - // ongoing EventSource connections before letting the Node process exit, independently of the .NET - // process exiting. However, doing this well in general is very nontrivial (see all the discussion at - // https://github.com/nodejs/node/issues/2642). - process.on('SIGINT', function () { - console.log('Received SIGINT. Waiting for .NET process to exit...'); - }); - } -} -exports.exitWhenParentExits = exitWhenParentExits; -function processExists(pid) { - try { - // Sending signal 0 - on all platforms - tests whether the process exists. As long as it doesn't - // throw, that means it does exist. - process.kill(pid, 0); - return true; - } - catch (ex) { - // If the reason for the error is that we don't have permission to ask about this process, - // report that as a separate problem. - if (ex.code === 'EPERM') { - throw new Error("Attempted to check whether process " + pid + " was running, but got a permissions error."); - } - return false; - } -} + /* + In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit, + because we have no further use for them. If the .NET process shuts down gracefully, it will run its + finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately. + + But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have + any opportunity to shut down its child processes, and by default they will keep running. In this case, it's + up to the child process to detect this has happened and terminate itself. + + There are many possible approaches to detecting when a parent process has exited, most of which behave + differently between Windows and Linux/OS X: + + - On Windows, the parent process can mark its child as being a 'job' that should auto-terminate when + the parent does (http://stackoverflow.com/a/4657392). Not cross-platform. + - The child Node process can get a callback when the parent disconnects (process.on('disconnect', ...)). + But despite http://stackoverflow.com/a/16487966, no callback fires in any case I've tested (Windows / OS X). + - The child Node process can get a callback when its stdin/stdout are disconnected, as described at + http://stackoverflow.com/a/15693934. This works well on OS X, but calling stdout.resume() on Windows + causes the process to terminate prematurely. + - I don't know why, but on Windows, it's enough to invoke process.stdin.resume(). For some reason this causes + the child Node process to exit as soon as the parent one does, but I don't see this documented anywhere. + - You can poll to see if the parent process, or your stdin/stdout connection to it, is gone + - You can directly pass a parent process PID to the child, and then have the child poll to see if it's + still running (e.g., using process.kill(pid, 0), which doesn't kill it but just tests whether it exists, + as per https://nodejs.org/api/process.html#process_process_kill_pid_signal) + - Or, on each poll, you can try writing to process.stdout. If the parent has died, then this will throw. + However I don't see this documented anywhere. It would be nice if you could just poll for whether or not + process.stdout is still connected (without actually writing to it) but I haven't found any property whose + value changes until you actually try to write to it. + + Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling + to check whether the parent PID is still running. So that's what we do here. + */ + exports.__esModule = true; + var pollIntervalMs = 1000; + function exitWhenParentExits(parentPid, ignoreSigint) { + setInterval(function () { + if (!processExists(parentPid)) { + // Can't log anything at this point, because out stdout was connected to the parent, + // but the parent is gone. + process.exit(); + } + }, pollIntervalMs); + if (ignoreSigint) { + // Pressing ctrl+c in the terminal sends a SIGINT to all processes in the foreground process tree. + // By default, the Node process would then exit before the .NET process, because ASP.NET implements + // a delayed shutdown to allow ongoing requests to complete. + // + // This is problematic, because if Node exits first, the CopyToAsync code in ConditionalProxyMiddleware + // will experience a read fault, and logs a huge load of errors. Fortunately, since the Node process is + // already set up to shut itself down if it detects the .NET process is terminated, all we have to do is + // ignore the SIGINT. The Node process will then terminate automatically after the .NET process does. + // + // A better solution would be to have WebpackDevMiddleware listen for SIGINT and gracefully close any + // ongoing EventSource connections before letting the Node process exit, independently of the .NET + // process exiting. However, doing this well in general is very nontrivial (see all the discussion at + // https://github.com/nodejs/node/issues/2642). + process.on('SIGINT', function () { + console.log('Received SIGINT. Waiting for .NET process to exit...'); + }); + } + } + exports.exitWhenParentExits = exitWhenParentExits; + function processExists(pid) { + try { + // Sending signal 0 - on all platforms - tests whether the process exists. As long as it doesn't + // throw, that means it does exist. + process.kill(pid, 0); + return true; + } + catch (ex) { + // If the reason for the error is that we don't have permission to ask about this process, + // report that as a separate problem. + if (ex.code === 'EPERM') { + throw new Error("Attempted to check whether process " + pid + " was running, but got a permissions error."); + } + return false; + } + } -/***/ }), + /***/ + }), /* 8 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -"use strict"; + "use strict"; -exports.__esModule = true; -var events_1 = __webpack_require__(9); -var VirtualConnection_1 = __webpack_require__(10); -// Keep this in sync with the equivalent constant in the .NET code. Both sides split up their transmissions into frames with this max length, -// and both will reject longer frames. -var MaxFrameBodyLength = 16 * 1024; -/** - * Accepts connections to a net.Server and adapts them to behave as multiplexed connections. That is, for each physical socket connection, - * we track a list of 'virtual connections' whose API is a Duplex stream. The remote clients may open and close as many virtual connections - * as they wish, reading and writing to them independently, without the overhead of establishing new physical connections each time. - */ -function createInterface(server) { - var emitter = new events_1.EventEmitter(); - server.on('connection', function (socket) { - // For each physical socket connection, maintain a set of virtual connections. Issue a notification whenever - // a new virtual connections is opened. - var childSockets = new VirtualConnectionsCollection(socket, function (virtualConnection) { - emitter.emit('connection', virtualConnection); - }); - }); - return emitter; -} -exports.createInterface = createInterface; -/** - * Tracks the 'virtual connections' associated with a single physical socket connection. - */ -var VirtualConnectionsCollection = /** @class */ (function () { - function VirtualConnectionsCollection(_socket, _onVirtualConnectionCallback) { - var _this = this; - this._socket = _socket; - this._onVirtualConnectionCallback = _onVirtualConnectionCallback; - this._currentFrameHeader = null; - this._virtualConnections = {}; - // If the remote end closes the physical socket, treat all the virtual connections as being closed remotely too - this._socket.on('close', function () { - Object.getOwnPropertyNames(_this._virtualConnections).forEach(function (id) { - // A 'null' frame signals that the connection was closed remotely - _this._virtualConnections[id].onReceivedData(null); - }); - }); - this._socket.on('readable', this._onIncomingDataAvailable.bind(this)); - } - /** - * This is called whenever the underlying socket signals that it may have some data available to read. It will synchronously read as many - * message frames as it can from the underlying socket, opens virtual connections as needed, and dispatches data to them. - */ - VirtualConnectionsCollection.prototype._onIncomingDataAvailable = function () { - var exhaustedAllData = false; - while (!exhaustedAllData) { - // We might already have a pending frame header from the previous time this method ran, but if not, that's the next thing we need to read - if (this._currentFrameHeader === null) { - this._currentFrameHeader = this._readNextFrameHeader(); + exports.__esModule = true; + var events_1 = __webpack_require__(9); + var VirtualConnection_1 = __webpack_require__(10); + // Keep this in sync with the equivalent constant in the .NET code. Both sides split up their transmissions into frames with this max length, + // and both will reject longer frames. + var MaxFrameBodyLength = 16 * 1024; + /** + * Accepts connections to a net.Server and adapts them to behave as multiplexed connections. That is, for each physical socket connection, + * we track a list of 'virtual connections' whose API is a Duplex stream. The remote clients may open and close as many virtual connections + * as they wish, reading and writing to them independently, without the overhead of establishing new physical connections each time. + */ + function createInterface(server) { + var emitter = new events_1.EventEmitter(); + server.on('connection', function (socket) { + // For each physical socket connection, maintain a set of virtual connections. Issue a notification whenever + // a new virtual connections is opened. + var childSockets = new VirtualConnectionsCollection(socket, function (virtualConnection) { + emitter.emit('connection', virtualConnection); + }); + }); + return emitter; } - if (this._currentFrameHeader === null) { - // There's not enough data to fill a frameheader, so wait until more arrives later - // The next attempt to read from the socket will start from the same place this one did (incomplete reads don't consume any data) - exhaustedAllData = true; - } - else { - var frameBodyLength = this._currentFrameHeader.bodyLength; - var frameBodyOrNull = frameBodyLength > 0 ? this._socket.read(this._currentFrameHeader.bodyLength) : null; - if (frameBodyOrNull !== null || frameBodyLength === 0) { - // We have a complete frame header+body pair, so we can now dispatch this to a virtual connection. We set _currentFrameHeader back to null - // so that the next thing we try to read is the next frame header. - var headerCopy = this._currentFrameHeader; + exports.createInterface = createInterface; + /** + * Tracks the 'virtual connections' associated with a single physical socket connection. + */ + var VirtualConnectionsCollection = /** @class */ (function () { + function VirtualConnectionsCollection(_socket, _onVirtualConnectionCallback) { + var _this = this; + this._socket = _socket; + this._onVirtualConnectionCallback = _onVirtualConnectionCallback; this._currentFrameHeader = null; - this._onReceivedCompleteFrame(headerCopy, frameBodyOrNull); + this._virtualConnections = {}; + // If the remote end closes the physical socket, treat all the virtual connections as being closed remotely too + this._socket.on('close', function () { + Object.getOwnPropertyNames(_this._virtualConnections).forEach(function (id) { + // A 'null' frame signals that the connection was closed remotely + _this._virtualConnections[id].onReceivedData(null); + }); + }); + this._socket.on('readable', this._onIncomingDataAvailable.bind(this)); } - else { - // There's not enough data to fill the pending frame body, so wait until more arrives later - // The next attempt to read from the socket will start from the same place this one did (incomplete reads don't consume any data) - exhaustedAllData = true; - } - } - } - }; - VirtualConnectionsCollection.prototype._onReceivedCompleteFrame = function (header, bodyIfNotEmpty) { - // An incoming zero-length frame signals that there's no more data to read. - // Signal this to the Node stream APIs by pushing a 'null' chunk to it. - var virtualConnection = this._getOrOpenVirtualConnection(header); - virtualConnection.onReceivedData(header.bodyLength > 0 ? bodyIfNotEmpty : null); - }; - VirtualConnectionsCollection.prototype._getOrOpenVirtualConnection = function (header) { - if (this._virtualConnections.hasOwnProperty(header.connectionIdString)) { - // It's an existing virtual connection - return this._virtualConnections[header.connectionIdString]; - } - else { - // It's a new one - return this._openVirtualConnection(header); - } - }; - VirtualConnectionsCollection.prototype._openVirtualConnection = function (header) { - var _this = this; - var beginWriteCallback = function (data, writeCompletedCallback) { - // Only send nonempty frames, since empty ones are a signal to close the virtual connection - if (data.length > 0) { - _this._sendFrame(header.connectionIdBinary, data, writeCompletedCallback); - } - }; - var newVirtualConnection = new VirtualConnection_1.VirtualConnection(beginWriteCallback); - newVirtualConnection.on('end', function () { - // The virtual connection was closed remotely. Clean up locally. - _this._onVirtualConnectionWasClosed(header.connectionIdString); - }); - newVirtualConnection.on('finish', function () { - // The virtual connection was closed locally. Clean up locally, and notify the remote that we're done. - _this._onVirtualConnectionWasClosed(header.connectionIdString); - _this._sendFrame(header.connectionIdBinary, new Buffer(0)); - }); - this._virtualConnections[header.connectionIdString] = newVirtualConnection; - this._onVirtualConnectionCallback(newVirtualConnection); - return newVirtualConnection; - }; - /** - * Attempts to read a complete frame header, synchronously, from the underlying socket. - * If not enough data is available synchronously, returns null without consuming any data from the socket. - */ - VirtualConnectionsCollection.prototype._readNextFrameHeader = function () { - var headerBuf = this._socket.read(12); - if (headerBuf !== null) { - // We have enough data synchronously - var connectionIdBinary = headerBuf.slice(0, 8); - var connectionIdString = connectionIdBinary.toString('hex'); - var bodyLength = headerBuf.readInt32LE(8); - if (bodyLength < 0 || bodyLength > MaxFrameBodyLength) { - // Throwing here is going to bring down the whole process, so this cannot be allowed to happen in real use. - // But it won't happen in real use, because this is only used with our .NET client, which doesn't violate this rule. - throw new Error('Illegal frame body length: ' + bodyLength); - } - return { connectionIdBinary: connectionIdBinary, connectionIdString: connectionIdString, bodyLength: bodyLength }; - } - else { - // Not enough bytes are available synchronously, so none were consumed - return null; - } - }; - VirtualConnectionsCollection.prototype._sendFrame = function (connectionIdBinary, data, callback) { - // For all sends other than the last one, only invoke the callback if it failed. - // Also, only invoke the callback at most once. - var hasInvokedCallback = false; - var finalCallback = callback && (function (error) { - if (!hasInvokedCallback) { - hasInvokedCallback = true; - callback(error); - } - }); - var notFinalCallback = callback && (function (error) { - if (error) { - finalCallback(error); - } - }); - // The amount of data we're writing might exceed MaxFrameBodyLength, so split into frames as needed. - // Note that we always send at least one frame, even if it's empty (because that's the close-virtual-connection signal). - // If needed, this could be changed to send frames asynchronously, so that large sends could proceed in parallel - // (though that would involve making a clone of 'data', to avoid the risk of it being mutated during the send). - var bytesSent = 0; - do { - var nextFrameBodyLength = Math.min(MaxFrameBodyLength, data.length - bytesSent); - var isFinalChunk = (bytesSent + nextFrameBodyLength) === data.length; - this._socket.write(connectionIdBinary, notFinalCallback); - this._sendInt32LE(nextFrameBodyLength, notFinalCallback); - this._socket.write(data.slice(bytesSent, bytesSent + nextFrameBodyLength), isFinalChunk ? finalCallback : notFinalCallback); - bytesSent += nextFrameBodyLength; - } while (bytesSent < data.length); - }; - /** - * Sends a number serialized in the correct format for .NET to receive as a System.Int32 - */ - VirtualConnectionsCollection.prototype._sendInt32LE = function (value, callback) { - var buf = new Buffer(4); - buf.writeInt32LE(value, 0); - this._socket.write(buf, callback); - }; - VirtualConnectionsCollection.prototype._onVirtualConnectionWasClosed = function (id) { - if (this._virtualConnections.hasOwnProperty(id)) { - delete this._virtualConnections[id]; - } - }; - return VirtualConnectionsCollection; -}()); + /** + * This is called whenever the underlying socket signals that it may have some data available to read. It will synchronously read as many + * message frames as it can from the underlying socket, opens virtual connections as needed, and dispatches data to them. + */ + VirtualConnectionsCollection.prototype._onIncomingDataAvailable = function () { + var exhaustedAllData = false; + while (!exhaustedAllData) { + // We might already have a pending frame header from the previous time this method ran, but if not, that's the next thing we need to read + if (this._currentFrameHeader === null) { + this._currentFrameHeader = this._readNextFrameHeader(); + } + if (this._currentFrameHeader === null) { + // There's not enough data to fill a frameheader, so wait until more arrives later + // The next attempt to read from the socket will start from the same place this one did (incomplete reads don't consume any data) + exhaustedAllData = true; + } + else { + var frameBodyLength = this._currentFrameHeader.bodyLength; + var frameBodyOrNull = frameBodyLength > 0 ? this._socket.read(this._currentFrameHeader.bodyLength) : null; + if (frameBodyOrNull !== null || frameBodyLength === 0) { + // We have a complete frame header+body pair, so we can now dispatch this to a virtual connection. We set _currentFrameHeader back to null + // so that the next thing we try to read is the next frame header. + var headerCopy = this._currentFrameHeader; + this._currentFrameHeader = null; + this._onReceivedCompleteFrame(headerCopy, frameBodyOrNull); + } + else { + // There's not enough data to fill the pending frame body, so wait until more arrives later + // The next attempt to read from the socket will start from the same place this one did (incomplete reads don't consume any data) + exhaustedAllData = true; + } + } + } + }; + VirtualConnectionsCollection.prototype._onReceivedCompleteFrame = function (header, bodyIfNotEmpty) { + // An incoming zero-length frame signals that there's no more data to read. + // Signal this to the Node stream APIs by pushing a 'null' chunk to it. + var virtualConnection = this._getOrOpenVirtualConnection(header); + virtualConnection.onReceivedData(header.bodyLength > 0 ? bodyIfNotEmpty : null); + }; + VirtualConnectionsCollection.prototype._getOrOpenVirtualConnection = function (header) { + if (this._virtualConnections.hasOwnProperty(header.connectionIdString)) { + // It's an existing virtual connection + return this._virtualConnections[header.connectionIdString]; + } + else { + // It's a new one + return this._openVirtualConnection(header); + } + }; + VirtualConnectionsCollection.prototype._openVirtualConnection = function (header) { + var _this = this; + var beginWriteCallback = function (data, writeCompletedCallback) { + // Only send nonempty frames, since empty ones are a signal to close the virtual connection + if (data.length > 0) { + _this._sendFrame(header.connectionIdBinary, data, writeCompletedCallback); + } + }; + var newVirtualConnection = new VirtualConnection_1.VirtualConnection(beginWriteCallback); + newVirtualConnection.on('end', function () { + // The virtual connection was closed remotely. Clean up locally. + _this._onVirtualConnectionWasClosed(header.connectionIdString); + }); + newVirtualConnection.on('finish', function () { + // The virtual connection was closed locally. Clean up locally, and notify the remote that we're done. + _this._onVirtualConnectionWasClosed(header.connectionIdString); + _this._sendFrame(header.connectionIdBinary, Buffer.alloc(0)); + }); + this._virtualConnections[header.connectionIdString] = newVirtualConnection; + this._onVirtualConnectionCallback(newVirtualConnection); + return newVirtualConnection; + }; + /** + * Attempts to read a complete frame header, synchronously, from the underlying socket. + * If not enough data is available synchronously, returns null without consuming any data from the socket. + */ + VirtualConnectionsCollection.prototype._readNextFrameHeader = function () { + var headerBuf = this._socket.read(12); + if (headerBuf !== null) { + // We have enough data synchronously + var connectionIdBinary = headerBuf.slice(0, 8); + var connectionIdString = connectionIdBinary.toString('hex'); + var bodyLength = headerBuf.readInt32LE(8); + if (bodyLength < 0 || bodyLength > MaxFrameBodyLength) { + // Throwing here is going to bring down the whole process, so this cannot be allowed to happen in real use. + // But it won't happen in real use, because this is only used with our .NET client, which doesn't violate this rule. + throw new Error('Illegal frame body length: ' + bodyLength); + } + return { connectionIdBinary: connectionIdBinary, connectionIdString: connectionIdString, bodyLength: bodyLength }; + } + else { + // Not enough bytes are available synchronously, so none were consumed + return null; + } + }; + VirtualConnectionsCollection.prototype._sendFrame = function (connectionIdBinary, data, callback) { + // For all sends other than the last one, only invoke the callback if it failed. + // Also, only invoke the callback at most once. + var hasInvokedCallback = false; + var finalCallback = callback && (function (error) { + if (!hasInvokedCallback) { + hasInvokedCallback = true; + callback(error); + } + }); + var notFinalCallback = callback && (function (error) { + if (error) { + finalCallback(error); + } + }); + // The amount of data we're writing might exceed MaxFrameBodyLength, so split into frames as needed. + // Note that we always send at least one frame, even if it's empty (because that's the close-virtual-connection signal). + // If needed, this could be changed to send frames asynchronously, so that large sends could proceed in parallel + // (though that would involve making a clone of 'data', to avoid the risk of it being mutated during the send). + var bytesSent = 0; + do { + var nextFrameBodyLength = Math.min(MaxFrameBodyLength, data.length - bytesSent); + var isFinalChunk = (bytesSent + nextFrameBodyLength) === data.length; + this._socket.write(connectionIdBinary, notFinalCallback); + this._sendInt32LE(nextFrameBodyLength, notFinalCallback); + this._socket.write(data.slice(bytesSent, bytesSent + nextFrameBodyLength), isFinalChunk ? finalCallback : notFinalCallback); + bytesSent += nextFrameBodyLength; + } while (bytesSent < data.length); + }; + /** + * Sends a number serialized in the correct format for .NET to receive as a System.Int32 + */ + VirtualConnectionsCollection.prototype._sendInt32LE = function (value, callback) { + var buf = Buffer.alloc(4); + buf.writeInt32LE(value, 0); + this._socket.write(buf, callback); + }; + VirtualConnectionsCollection.prototype._onVirtualConnectionWasClosed = function (id) { + if (this._virtualConnections.hasOwnProperty(id)) { + delete this._virtualConnections[id]; + } + }; + return VirtualConnectionsCollection; + }()); -/***/ }), + /***/ + }), /* 9 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -module.exports = require("events"); + module.exports = require("events"); -/***/ }), + /***/ + }), /* 10 */ -/***/ (function(module, exports, __webpack_require__) { +/***/ (function (module, exports, __webpack_require__) { -"use strict"; + "use strict"; -var __extends = (this && this.__extends) || (function () { - var extendStatics = function (d, b) { - extendStatics = Object.setPrototypeOf || - ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || - function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; - return extendStatics(d, b); - } - return function (d, b) { - extendStatics(d, b); - function __() { this.constructor = d; } - d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); - }; -})(); -exports.__esModule = true; -var stream_1 = __webpack_require__(11); -/** - * Represents a virtual connection. Multiple virtual connections may be multiplexed over a single physical socket connection. - */ -var VirtualConnection = /** @class */ (function (_super) { - __extends(VirtualConnection, _super); - function VirtualConnection(_beginWriteCallback) { - var _this = _super.call(this) || this; - _this._beginWriteCallback = _beginWriteCallback; - _this._flowing = false; - _this._receivedDataQueue = []; - return _this; - } - VirtualConnection.prototype._read = function () { - this._flowing = true; - // Keep pushing data until we run out, or the underlying framework asks us to stop. - // When we finish, the 'flowing' state is detemined by whether more data is still being requested. - while (this._flowing && this._receivedDataQueue.length > 0) { - var nextChunk = this._receivedDataQueue.shift(); - this._flowing = this.push(nextChunk); - } - }; - VirtualConnection.prototype._write = function (chunk, encodingIfString, callback) { - if (typeof chunk === 'string') { - chunk = new Buffer(chunk, encodingIfString); - } - this._beginWriteCallback(chunk, callback); - }; - VirtualConnection.prototype.onReceivedData = function (dataOrNullToSignalEOF) { - if (this._flowing) { - this._flowing = this.push(dataOrNullToSignalEOF); - } - else { - this._receivedDataQueue.push(dataOrNullToSignalEOF); - } - }; - return VirtualConnection; -}(stream_1.Duplex)); -exports.VirtualConnection = VirtualConnection; + var __extends = (this && this.__extends) || (function () { + var extendStatics = function (d, b) { + extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; + return extendStatics(d, b); + } + return function (d, b) { + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); + }; + })(); + exports.__esModule = true; + var stream_1 = __webpack_require__(11); + /** + * Represents a virtual connection. Multiple virtual connections may be multiplexed over a single physical socket connection. + */ + var VirtualConnection = /** @class */ (function (_super) { + __extends(VirtualConnection, _super); + function VirtualConnection(_beginWriteCallback) { + var _this = _super.call(this) || this; + _this._beginWriteCallback = _beginWriteCallback; + _this._flowing = false; + _this._receivedDataQueue = []; + return _this; + } + VirtualConnection.prototype._read = function () { + this._flowing = true; + // Keep pushing data until we run out, or the underlying framework asks us to stop. + // When we finish, the 'flowing' state is detemined by whether more data is still being requested. + while (this._flowing && this._receivedDataQueue.length > 0) { + var nextChunk = this._receivedDataQueue.shift(); + this._flowing = this.push(nextChunk); + } + }; + VirtualConnection.prototype._write = function (chunk, encodingIfString, callback) { + if (typeof chunk === 'string') { + chunk = Buffer.from(chunk, encodingIfString); + } + this._beginWriteCallback(chunk, callback); + }; + VirtualConnection.prototype.onReceivedData = function (dataOrNullToSignalEOF) { + if (this._flowing) { + this._flowing = this.push(dataOrNullToSignalEOF); + } + else { + this._receivedDataQueue.push(dataOrNullToSignalEOF); + } + }; + return VirtualConnection; + }(stream_1.Duplex)); + exports.VirtualConnection = VirtualConnection; -/***/ }), + /***/ + }), /* 11 */ -/***/ (function(module, exports) { +/***/ (function (module, exports) { -module.exports = require("stream"); + module.exports = require("stream"); -/***/ }) -/******/ ]))); \ No newline at end of file + /***/ + }) +/******/]))); diff --git a/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnection.ts b/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnection.ts index de71f60..7639440 100644 --- a/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnection.ts +++ b/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnection.ts @@ -27,7 +27,7 @@ export class VirtualConnection extends Duplex { public _write(chunk: Buffer | string, encodingIfString: string, callback: EndWriteCallback) { if (typeof chunk === 'string') { - chunk = new Buffer(chunk as string, encodingIfString); + chunk = Buffer.from(chunk as string, encodingIfString); } this._beginWriteCallback(chunk as Buffer, callback); diff --git a/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnectionServer.ts b/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnectionServer.ts index 76b833d..5dbf969 100644 --- a/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnectionServer.ts +++ b/src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnectionServer.ts @@ -113,7 +113,7 @@ class VirtualConnectionsCollection { newVirtualConnection.on('finish', () => { // The virtual connection was closed locally. Clean up locally, and notify the remote that we're done. this._onVirtualConnectionWasClosed(header.connectionIdString); - this._sendFrame(header.connectionIdBinary, new Buffer(0)); + this._sendFrame(header.connectionIdBinary, Buffer.alloc(0)); }); this._virtualConnections[header.connectionIdString] = newVirtualConnection; @@ -180,7 +180,7 @@ class VirtualConnectionsCollection { * Sends a number serialized in the correct format for .NET to receive as a System.Int32 */ private _sendInt32LE(value: number, callback?: EndWriteCallback) { - const buf = new Buffer(4); + const buf = Buffer.alloc(4); buf.writeInt32LE(value, 0); this._socket.write(buf, callback); }