How to use OnMessage method of PuppeteerSharp.CDPSession class

Best Puppeteer-sharp code snippet using PuppeteerSharp.CDPSession.OnMessage

Connection.cs

Source:Connection.cs

...193            }194            if (!string.IsNullOrEmpty(obj.SessionId))195            {196                var session = GetSession(obj.SessionId);197                session.OnMessage(obj);198            }199            else if (obj.Id.HasValue)200            {201                // If we get the object we are waiting for we return if202                // if not we add this to the list, sooner or later some one will come for it 203                if (_callbacks.TryRemove(obj.Id.Value, out var callback))204                {205                    if (obj.Error != null)206                    {207                        callback.TaskWrapper.TrySetException(new MessageException(callback, obj.Error));208                    }209                    else210                    {211                        callback.TaskWrapper.TrySetResult(obj.Result);...

CDPSession.cs

Source:CDPSession.cs

...177        }178        internal bool HasPendingCallbacks() => _callbacks.Count != 0;179        #endregion180        #region Private Methods181        internal void OnMessage(string message)182        {183            _logger.LogTrace("â Receive {Message}", message);184            JObject obj = null;185            try186            {187                obj = JObject.Parse(message);188            }189            catch (JsonException exc)190            {191                _logger.LogError(exc, "Failed to deserialize message", message);192                return;193            }194            var id = obj[MessageKeys.Id]?.Value<int>();195            if (id.HasValue && _callbacks.TryRemove(id.Value, out var callback))196            {197                if (obj[MessageKeys.Error] != null)198                {199                    callback.TaskWrapper.TrySetException(new MessageException(callback, obj));200                }201                else202                {203                    callback.TaskWrapper.TrySetResult(obj[MessageKeys.Result].Value<JObject>());204                }205            }206            else207            {208                var method = obj[MessageKeys.Method].AsString();209                var param = obj[MessageKeys.Params];210                if (method == "Tracing.tracingComplete")211                {212                    TracingComplete?.Invoke(this, new TracingCompleteEventArgs213                    {214                        Stream = param[MessageKeys.Stream].AsString()215                    });216                }217                else if (method == "Target.receivedMessageFromTarget")218                {219                    var sessionId = param[MessageKeys.SessionId].AsString();220                    if (_sessions.TryGetValue(sessionId, out var session))221                    {222                        session.OnMessage(param[MessageKeys.Message].AsString());223                    }224                }225                else if (method == "Target.detachedFromTarget")226                {227                    var sessionId = param[MessageKeys.SessionId].AsString();228                    if (_sessions.TryRemove(sessionId, out var session))229                    {230                        session.OnClosed();231                    }232                }233                MessageReceived?.Invoke(this, new MessageEventArgs234                {235                    MessageID = method,236                    MessageData = param...

OnMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            using (var browser = await Puppeteer.LaunchAsync(options))11            {12                var page = await browser.NewPageAsync();13                var client = await page.Target.CreateCDPSessionAsync();14                await client.SendAsync("Page.enable");15                await client.SendAsync("Page.setDownloadBehavior", new {behavior = "allow", downloadPath = @"C:\Users\Public\Downloads\"});16                await page.ClickAsync("input[name='q']");17                await page.Keyboard.TypeAsync("PuppeteerSharp");18                await page.Keyboard.PressAsync("Enter");19                await page.ScreenshotAsync(@"C:\Users\Public\Downloads\google.png");20                await client.SendAsync("Page.stopLoading");21            }22        }23    }24}

OnMessage

Using AI Code Generation

1using System;2using System.Text;3using System.Threading.Tasks;4using PuppeteerSharp;5{6    {7        static async Task Main(string[] args)8        {9            {10                Args = new string[] { "--start-maximized" }11            };12            using (var browser = await Puppeteer.LaunchAsync(options))13            {14                using (var page = await browser.NewPageAsync())15                {16                    var session = await page.Target.CreateCDPSessionAsync();17                    await session.SendAsync("Network.enable");18                    await session.SendAsync("Network.setCacheDisabled", new { cacheDisabled = true });19                    await session.SendAsync("Network.setBypassServiceWorker", new { bypass = true });20                    session.MessageReceived += Session_MessageReceived;21                }22            }23        }24        private static void Session_MessageReceived(object sender, MessageEventArgs e)25        {26            Console.WriteLine(Encoding.UTF8.GetString(e.Message));27        }28    }29}30using System;31using System.Text;32using System.Threading.Tasks;33using PuppeteerSharp;34{35    {36        static async Task Main(string[] args)37        {38            {39                Args = new string[] { "--start-maximized" }40            };41            using (var browser = await Puppeteer.LaunchAsync(options))42            {43                using (var page = await browser.NewPageAsync())44                {45                    await page.SetRequestInterceptionAsync(true);46                    page.Request += Page_Request;47                }48            }49        }50        private static void Page_Request(object sender, RequestEventArgs e)51        {52            Console.WriteLine(e.Request

OnMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Messaging;5{6    {7        public async Task OnMessage(string message)8        {9            var msg = Message.FromJson(message);10            await OnMessage(msg);11        }12    }13}14using System;15using System.Threading.Tasks;16using PuppeteerSharp;17using PuppeteerSharp.Messaging;18{19    {20        public async Task OnMessage(Message message)21        {22            if (message == null)23            {24                return;25            }26            if (_callbacks.TryGetValue(message.Id, out var callback))27            {28                _callbacks.Remove(message.Id);29                callback(message.Error, message.Result);30            }31            {32                await _client.OnMessage(message);33            }34        }35    }36}37using System;38using System.Threading.Tasks;39using PuppeteerSharp;40using PuppeteerSharp.Messaging;41{42    {43        public async Task OnMessage(Message message)44        {45            if (message == null)46            {47                return;48            }49            if (_callbacks.TryGetValue(message.Id, out var callback))50            {51                _callbacks.Remove(message.Id);52                callback(message.Error, message.Result);53            }54            {55                await _client.OnMessage(message);56            }57        }58    }59}60using System;61using System.Threading.Tasks;62using PuppeteerSharp;63using PuppeteerSharp.Messaging;64{65    {66        public async Task OnMessage(Message message)67        {68            if (message == null)69            {70                return;71            }72            if (_callbacks.TryGetValue(message.Id, out var callback))73            {74                _callbacks.Remove(message.Id);75                callback(message.Error, message.Result);76            }77            {78                await _client.OnMessage(message);79            }80        }81    }82}83using System;

OnMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            await RunExampleAsync();10        }11        static async Task RunExampleAsync()12        {13            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))14            using (var page = await browser.NewPageAsync())15            {16                var client = await page.Target.CreateCDPSessionAsync();17                await client.SendAsync("Fetch.enable", new18                {19                    patterns = new[] {20                        new {21                        }22                    }23                });24                client.MessageReceived += (sender, e) =>25                {26                    Console.WriteLine(e.MessageID);27                    Console.WriteLine(e.Message);28                };29                await Task.Delay(5000);30            }31        }32    }33}

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