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How to use AsyncMessageQueue class of PuppeteerSharp.Helpers package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Helpers.AsyncMessageQueue

Connection.cs

Source:Connection.cs

...38            Transport.MessageReceived += Transport_MessageReceived;39            Transport.Closed += Transport_Closed;40            _callbacks = new ConcurrentDictionary<int, MessageTask>();41            _sessions = new ConcurrentDictionary<string, CDPSession>();42            MessageQueue = new AsyncMessageQueue(enqueueAsyncMessages, _logger);43            _asyncSessions = new AsyncDictionaryHelper<string, CDPSession>(_sessions, "Session {0} not found");44        }45        /// <summary>46        /// Occurs when the connection is closed.47        /// </summary>48        public event EventHandler Disconnected;49        /// <summary>50        /// Occurs when a message from chromium is received.51        /// </summary>52        public event EventHandler<MessageEventArgs> MessageReceived;53        internal event EventHandler<SessionAttachedEventArgs> SessionAttached;54        /// <summary>55        /// Gets the WebSocket URL.56        /// </summary>57        /// <value>The URL.</value>58        public string Url { get; }59        /// <summary>60        /// Gets the sleep time when a message is received.61        /// </summary>62        /// <value>The delay.</value>63        public int Delay { get; }64        /// <summary>65        /// Gets the Connection transport.66        /// </summary>67        /// <value>Connection transport.</value>68        public IConnectionTransport Transport { get; }69        /// <summary>70        /// Gets a value indicating whether this <see cref="Connection"/> is closed.71        /// </summary>72        /// <value><c>true</c> if is closed; otherwise, <c>false</c>.</value>73        public bool IsClosed { get; internal set; }74        /// <summary>75        /// Connection close reason.76        /// </summary>77        public string CloseReason { get; private set; }78        /// <summary>79        /// Gets the logger factory.80        /// </summary>81        /// <value>The logger factory.</value>82        public ILoggerFactory LoggerFactory { get; }83        internal AsyncMessageQueue MessageQueue { get; }84        internal int GetMessageID() => Interlocked.Increment(ref _lastId);85        internal Task RawSendASync(int id, string method, object args, string sessionId = null)86        {87            var message = JsonConvert.SerializeObject(88                new ConnectionRequest { Id = id, Method = method, Params = args, SessionId = sessionId },89                JsonHelper.DefaultJsonSerializerSettings);90            _logger.LogTrace("Send âº {Message}", message);91            return Transport.SendAsync(message);92        }93        internal async Task<JObject> SendAsync(string method, object args = null, bool waitForCallback = true)94        {95            if (IsClosed)96            {97                throw new TargetClosedException($"Protocol error({method}): Target closed.", CloseReason);...

AsyncMessageQueue.cs

Source:AsyncMessageQueue.cs

...10    /// <summary>11    /// Provides an async queue for responses for <see cref="CDPSession.SendAsync"/>, so that responses can be handled12    /// async without risk callers causing a deadlock.13    /// </summary>14    internal class AsyncMessageQueue : IDisposable15    {16        private readonly List<MessageTask> _pendingTasks;17        private readonly bool _enqueueAsyncMessages;18        private readonly ILogger _logger;19        private bool _disposed;20        public AsyncMessageQueue(bool enqueueAsyncMessages, ILogger logger = null)21        {22            _enqueueAsyncMessages = enqueueAsyncMessages;23            _logger = logger ?? NullLogger.Instance;24            _pendingTasks = new List<MessageTask>();25        }26        public void Enqueue(MessageTask callback, ConnectionResponse obj)27        {28            if (_disposed)29            {30                throw new ObjectDisposedException(GetType().FullName);31            }32            if (!_enqueueAsyncMessages)33            {34                HandleAsyncMessage(callback, obj);...

AsyncMessageQueue

Using AI Code Generation

1using PuppeteerSharp.Helpers;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            var messageQueue = new AsyncMessageQueue();13            page.Console += (sender, e) => messageQueue.Enqueue(e.Message);14            var message = await messageQueue.DequeueAsync();15            Console.WriteLine(message.Text);16        }17    }18}19using PuppeteerSharp.Helpers;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            var browser = await Puppeteer.LaunchAsync(new LaunchOptions27            {28            });29            var page = await browser.NewPageAsync();30            var messageQueue = new AsyncMessageQueue();31            page.Console += (sender, e) => messageQueue.Enqueue(e.Message);32            var message = await messageQueue.DequeueAsync(m => m.Text.Contains("Hello World!"));33            Console.WriteLine(message.Text);34        }35    }36}37using PuppeteerSharp.Helpers;38using System;39using System.Threading.Tasks;40{41    {42        static async Task Main(string[] args)43        {44            var browser = await Puppeteer.LaunchAsync(new LaunchOptions45            {46            });47            var page = await browser.NewPageAsync();48            var messageQueue = new AsyncMessageQueue();49            page.Console += (

AsyncMessageQueue

Using AI Code Generation

1using PuppeteerSharp.Helpers;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            {11                ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)12            };13            var browser = await Puppeteer.LaunchAsync(options);14            var page = await browser.NewPageAsync();15            var asyncMessageQueue = new AsyncMessageQueue();16            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => window.innerWidth < 100"));17            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => window.innerHeight < 100"));18            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('The')"));19            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('quick')"));20            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('brown')"));21            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('fox')"));22            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('jumps')"));23            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('over')"));24            asyncMessageQueue.Add(page.WaitForFunctionAsync("() => document.body.innerText.includes('the')"));25            asyncMessageQueue.Add(page.WaitForFunctionAsync("()

AsyncMessageQueue

Using AI Code Generation

1using PuppeteerSharp.Helpers;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            var browser = await Puppeteer.LaunchAsync(options);10            var page = await browser.NewPageAsync();11            var messageQueue = new AsyncMessageQueue();12            page.Console += async (sender, e) =>13            {14                await messageQueue.EnqueueAsync(async () =>15                {16                    Console.WriteLine(e.Message.Text);17                });18            };19            await messageQueue.WaitUntilDrainedAsync();20            await browser.CloseAsync();21        }22    }23}24using PuppeteerSharp.Helpers;25using System;26using System.Threading.Tasks;27{28    {29        static async Task Main(string[] args)30        {31            var options = new LaunchOptions { Headless = false };32            var browser = await Puppeteer.LaunchAsync(options);33            var page = await browser.NewPageAsync();34            var messageQueue = new AsyncMessageQueue();35            page.Console += (sender, e) =>36            {37                messageQueue.Enqueue(() =>38                {39                    Console.WriteLine(e.Message.Text);40                });41            };42            await messageQueue.WaitUntilDrainedAsync();43            await browser.CloseAsync();44        }45    }46}47using PuppeteerSharp.Helpers;48using System;49using System.Threading.Tasks;50{51    {52        static async Task Main(string[] args)53        {54            var options = new LaunchOptions { Headless = false };55            var browser = await Puppeteer.LaunchAsync(options);56            var page = await browser.NewPageAsync();57            var messageQueue = new AsyncMessageQueue();58            page.Console += (sender, e) =>59            {60                messageQueue.Enqueue(() =>61                {62                    Console.WriteLine(e.Message.Text);63                });64            };65            await messageQueue.WaitUntilDrainedAsync();66            await browser.CloseAsync();67        }68    }69}

AsyncMessageQueue

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Helpers;5{6    {7        static void Main(string[] args)8        {9            MainAsync().Wait();10        }11        static async Task MainAsync()12        {13            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });14            var page = await browser.NewPageAsync();15            var asyncMessageQueue = new AsyncMessageQueue(page);16            asyncMessageQueue.MessageReceived += (sender, message) =>17            {18                Console.WriteLine(message);19            };20            await asyncMessageQueue.WaitTillMessageReceivedAsync("Network.loadingFinished");21            await page.CloseAsync();22            await browser.CloseAsync();23        }24    }25}26using System;27using System.Threading.Tasks;28using PuppeteerSharp;29using PuppeteerSharp.Helpers;30{31    {32        static void Main(string[] args)33        {34            MainAsync().Wait();35        }36        static async Task MainAsync()37        {38            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });39            var page = await browser.NewPageAsync();40            var asyncMessageQueue = new AsyncMessageQueue(page);41            var message = await asyncMessageQueue.WaitForMessageAsync("Network.loadingFinished");42            Console.WriteLine(message);43            await page.CloseAsync();44            await browser.CloseAsync();45        }46    }47}48using System;49using System.Threading.Tasks;50using PuppeteerSharp;51using PuppeteerSharp.Helpers;52{53    {54        static void Main(string[] args)55        {56            MainAsync().Wait();57        }58        static async Task MainAsync()59        {60            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });61            var page = await browser.NewPageAsync();62            var asyncMessageQueue = new AsyncMessageQueue(page);63            var message = await asyncMessageQueue.WaitForMessageAsync("Network.loadingFinished", 1000);64            Console.WriteLine(message);65            await page.CloseAsync();66            await browser.CloseAsync();67        }68    }69}

AsyncMessageQueue

Using AI Code Generation

1var options = new LaunchOptions { Headless = false };2using (var browser = await Puppeteer.LaunchAsync(options))3using (var page = await browser.NewPageAsync())4{5    var messageQueue = new AsyncMessageQueue(page);6    messageQueue.MessageReceived += (sender, e) =>7    {8        Console.WriteLine($"Received message: {e.Message}");9    };10    await page.EvaluateExpressionAsync("alert('Hello World!')");11}12var options = new LaunchOptions { Headless = false };13using (var browser = await Puppeteer.LaunchAsync(options))14using (var page = await browser.NewPageAsync())15{16    var messageQueue = new AsyncMessageQueue(page);17    messageQueue.MessageReceived += (sender, e) =>18    {19        Console.WriteLine($"Received message: {e.Message}");20    };21    await page.EvaluateExpressionAsync("alert('Hello World!')");22}23var options = new LaunchOptions { Headless = false };24using (var browser = await Puppeteer.LaunchAsync(options))25using (var page = await browser.NewPageAsync())26{27    var messageQueue = new AsyncMessageQueue(page);28    messageQueue.MessageReceived += (sender, e) =>29    {30        Console.WriteLine($"Received message: {e.Message}");31    };32    await page.EvaluateExpressionAsync("alert('Hello World!')");33}34var options = new LaunchOptions { Headless = false };35using (var browser = await Puppeteer.LaunchAsync(options))36using (var page = await browser.NewPageAsync())37{38    var messageQueue = new AsyncMessageQueue(page);39    messageQueue.MessageReceived += (sender, e) =>40    {41        Console.WriteLine($"

AsyncMessageQueue

Using AI Code Generation

1using PuppeteerSharp.Helpers;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");13            await browser.CloseAsync();14        }15    }16}17using PuppeteerSharp.Helpers;18using System;19using System.Threading.Tasks;20{21    {22        static async Task Main(string[] args)23        {24            var browser = await Puppeteer.LaunchAsync(new LaunchOptions25            {26            });27            var page = await browser.NewPageAsync();28            await page.ScreenshotAsync("google.png");29            await browser.CloseAsync();30        }31    }32}33   at PuppeteerSharp.Helpers.AsyncMessageQueue.SendAsync[T](String method, Object args)34   at PuppeteerSharp.Page.GoToAsync(String url, NavigationOptions options)35   at PuppeteerSharp.Program.Main(String[] args) in C:\Users\user\Documents\Visual Studio 2017\Projects\PuppeteerSharp\Program.cs:line 23

AsyncMessageQueue

Using AI Code Generation

1using PuppeteerSharp.Helpers;2var asyncMessageQueue = new AsyncMessageQueue();3var task = asyncMessageQueue.DequeueAsync();4asyncMessageQueue.Enqueue("Hello");5var msg = await task;6using PuppeteerSharp.Helpers;7var asyncMessageQueue = new AsyncMessageQueue();8asyncMessageQueue.Enqueue("Hello");9var msg = await asyncMessageQueue.DequeueAsync();10using PuppeteerSharp.Helpers;11var asyncMessageQueue = new AsyncMessageQueue();12var task = asyncMessageQueue.DequeueAsync();13asyncMessageQueue.Enqueue("Hello");14var msg = task.Result;15using PuppeteerSharp.Helpers;16var asyncMessageQueue = new AsyncMessageQueue();17asyncMessageQueue.Enqueue("Hello");18var task = asyncMessageQueue.DequeueAsync();19var msg = task.Result;20using PuppeteerSharp.Helpers;21var asyncMessageQueue = new AsyncMessageQueue();22asyncMessageQueue.Enqueue("Hello");23var task = asyncMessageQueue.DequeueAsync();24var msg = task.Result;25using PuppeteerSharp.Helpers;26var asyncMessageQueue = new AsyncMessageQueue();27asyncMessageQueue.Enqueue("Hello");28var task = asyncMessageQueue.DequeueAsync();29var msg = task.Result;

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