├── dotnet-basic-send-receive-filters.yml
├── BasicSendReceiveTutorialWithFilters
    ├── BasicSendReceiveTutorialWithFilters.csproj
    ├── Extensions.cs
    ├── Item.cs
    ├── SendReceive.cs
    └── Program.cs
├── BasicSendReceiveTutorialWithFilters.sln
├── .gitattributes
└── .gitignore


/dotnet-basic-send-receive-filters.yml:
--------------------------------------------------------------------------------
 1 | ### YamlMime:Sample
 2 | sample:
 3 | - name: 'Azure Service Bus - Basic Send/Receieve with Filters in .NET'
 4 |   description: 'A sample demonstrating the basic send/receive operations with Azure Service Bus, using the .NET platform.'
 5 |   generateZip: true
 6 |   author: celemensv
 7 |   languages:
 8 |   - csharp
 9 |   technologies:
10 |   - service-bus
11 |   - service-bus-messaging
12 |   - azure
13 | 


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/BasicSendReceiveTutorialWithFilters/BasicSendReceiveTutorialWithFilters.csproj:
--------------------------------------------------------------------------------
 1 | <Project Sdk="Microsoft.NET.Sdk">
 2 | 
 3 |   <PropertyGroup>
 4 |     <OutputType>Exe</OutputType>
 5 |     <TargetFramework>netcoreapp3.1</TargetFramework>
 6 |   </PropertyGroup>
 7 | 
 8 |   <ItemGroup>
 9 |     <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.3.0" />
10 |     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
11 |   </ItemGroup>
12 | 
13 | </Project>
14 | 


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/BasicSendReceiveTutorialWithFilters/Extensions.cs:
--------------------------------------------------------------------------------
 1 | using System.Collections.Generic;
 2 | using System.Text;
 3 | using Azure.Messaging.ServiceBus;
 4 | using Newtonsoft.Json; //using Microsoft.Azure.ServiceBus;
 5 | 
 6 | namespace BasicSendReceiveTutorialWithFilters
 7 | {
 8 |     public static class Extensions
 9 |     {
10 |         public static T As<T>(this ServiceBusReceivedMessage message) where T : class
11 |         {
12 |             return JsonConvert.DeserializeObject<T>(Encoding.UTF8.GetString(message.Body.ToArray()));
13 |         }
14 | 
15 |         public static ServiceBusMessage AsMessage(this object obj)
16 |         {
17 |             return new ServiceBusMessage(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(obj)));
18 |         }
19 | 
20 |         public static bool Any(this IList<ServiceBusReceivedMessage> collection)
21 |         {
22 |             return collection != null && collection.Count > 0;
23 |         }
24 |     }
25 | }


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/BasicSendReceiveTutorialWithFilters.sln:
--------------------------------------------------------------------------------
 1 | 
 2 | Microsoft Visual Studio Solution File, Format Version 12.00
 3 | # Visual Studio 15
 4 | VisualStudioVersion = 15.0.27004.2006
 5 | MinimumVisualStudioVersion = 10.0.40219.1
 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BasicSendReceiveTutorialWithFilters", "BasicSendReceiveTutorialWithFilters\BasicSendReceiveTutorialWithFilters.csproj", "{C548819A-76C5-4A78-A24B-DE296BEB3FFB}"
 7 | EndProject
 8 | Global
 9 | 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
10 | 		Debug|Any CPU = Debug|Any CPU
11 | 		Release|Any CPU = Release|Any CPU
12 | 	EndGlobalSection
13 | 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
14 | 		{C548819A-76C5-4A78-A24B-DE296BEB3FFB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
15 | 		{C548819A-76C5-4A78-A24B-DE296BEB3FFB}.Debug|Any CPU.Build.0 = Debug|Any CPU
16 | 		{C548819A-76C5-4A78-A24B-DE296BEB3FFB}.Release|Any CPU.ActiveCfg = Release|Any CPU
17 | 		{C548819A-76C5-4A78-A24B-DE296BEB3FFB}.Release|Any CPU.Build.0 = Release|Any CPU
18 | 	EndGlobalSection
19 | 	GlobalSection(SolutionProperties) = preSolution
20 | 		HideSolutionNode = FALSE
21 | 	EndGlobalSection
22 | 	GlobalSection(ExtensibilityGlobals) = postSolution
23 | 		SolutionGuid = {65B83604-FD21-41AE-9745-1EBAB6BE03B8}
24 | 	EndGlobalSection
25 | EndGlobal
26 | 


--------------------------------------------------------------------------------
/BasicSendReceiveTutorialWithFilters/Item.cs:
--------------------------------------------------------------------------------
 1 | namespace BasicSendReceiveTutorialWithFilters
 2 | {
 3 |     internal class Item
 4 |     {
 5 |         public string ItemCategory;
 6 |         public string theColor;
 7 |         public double thePrice;
 8 | 
 9 |         public Item()
10 |         {
11 |         }
12 | 
13 |         public Item(int color, int price, int ItmCat)
14 |         {
15 |             SetColor(color);
16 |             SetPrice(price);
17 |             SetItemCategory(ItmCat);
18 |         }
19 | 
20 |         public string GetColor()
21 |         {
22 |             return theColor;
23 |         }
24 | 
25 |         public double GetPrice()
26 |         {
27 |             return thePrice;
28 |         }
29 | 
30 |         public string GetItemCategory()
31 |         {
32 |             return ItemCategory;
33 |         }
34 | 
35 |         public void SetColor(int color)
36 |         {
37 |             string[] Color = {"Red", "Green", "Blue", "Orange", "Yellow"};
38 |             theColor = Color[color];
39 |         }
40 | 
41 |         public void SetPrice(int price)
42 |         {
43 |             double[] Price = {1.4, 2.3, 3.2, 4.1, 5.1};
44 |             thePrice = Price[price];
45 |         }
46 | 
47 |         public void SetItemCategory(int ItmCat)
48 |         {
49 |             string[] CategoryList = {"Vegetables", "Beverage", "Meat", "Bread", "Other"};
50 |             ItemCategory = CategoryList[ItmCat];
51 |         }
52 |     }
53 | }


--------------------------------------------------------------------------------
/.gitattributes:
--------------------------------------------------------------------------------
 1 | ###############################################################################
 2 | # Set default behavior to automatically normalize line endings.
 3 | ###############################################################################
 4 | * text=auto
 5 | 
 6 | ###############################################################################
 7 | # Set default behavior for command prompt diff.
 8 | #
 9 | # This is need for earlier builds of msysgit that does not have it on by
10 | # default for csharp files.
11 | # Note: This is only used by command line
12 | ###############################################################################
13 | #*.cs     diff=csharp
14 | 
15 | ###############################################################################
16 | # Set the merge driver for project and solution files
17 | #
18 | # Merging from the command prompt will add diff markers to the files if there
19 | # are conflicts (Merging from VS is not affected by the settings below, in VS
20 | # the diff markers are never inserted). Diff markers may cause the following 
21 | # file extensions to fail to load in VS. An alternative would be to treat
22 | # these files as binary and thus will always conflict and require user
23 | # intervention with every merge. To do so, just uncomment the entries below
24 | ###############################################################################
25 | #*.sln       merge=binary
26 | #*.csproj    merge=binary
27 | #*.vbproj    merge=binary
28 | #*.vcxproj   merge=binary
29 | #*.vcproj    merge=binary
30 | #*.dbproj    merge=binary
31 | #*.fsproj    merge=binary
32 | #*.lsproj    merge=binary
33 | #*.wixproj   merge=binary
34 | #*.modelproj merge=binary
35 | #*.sqlproj   merge=binary
36 | #*.wwaproj   merge=binary
37 | 
38 | ###############################################################################
39 | # behavior for image files
40 | #
41 | # image files are treated as binary by default.
42 | ###############################################################################
43 | #*.jpg   binary
44 | #*.png   binary
45 | #*.gif   binary
46 | 
47 | ###############################################################################
48 | # diff behavior for common document formats
49 | # 
50 | # Convert binary document formats to text before diffing them. This feature
51 | # is only available from the command line. Turn it on by uncommenting the 
52 | # entries below.
53 | ###############################################################################
54 | #*.doc   diff=astextplain
55 | #*.DOC   diff=astextplain
56 | #*.docx  diff=astextplain
57 | #*.DOCX  diff=astextplain
58 | #*.dot   diff=astextplain
59 | #*.DOT   diff=astextplain
60 | #*.pdf   diff=astextplain
61 | #*.PDF   diff=astextplain
62 | #*.rtf   diff=astextplain
63 | #*.RTF   diff=astextplain
64 | 


--------------------------------------------------------------------------------
/BasicSendReceiveTutorialWithFilters/SendReceive.cs:
--------------------------------------------------------------------------------
  1 | //using Microsoft.Azure.ServiceBus;
  2 | //using Microsoft.Azure.ServiceBus.Core;
  3 | 
  4 | using System;
  5 | using System.Collections.Generic;
  6 | using System.Linq;
  7 | using System.Threading.Tasks;
  8 | using Azure.Messaging.ServiceBus;
  9 | 
 10 | namespace BasicSendReceiveTutorialWithFilters
 11 | {
 12 |     internal class SendReceive
 13 |     {
 14 |         public int NrOfMessagesPerStore;
 15 |         public string ServiceBusConnectionString;
 16 |         public string[] Store;
 17 |         public string[] Subscriptions;
 18 |         public string TopicName;
 19 | 
 20 |         public async Task SendMessages()
 21 |         {
 22 |             try
 23 |             {
 24 |                 await using var client = new ServiceBusClient(ServiceBusConnectionString);
 25 |                 var taskList = Store.Select(t => SendItems(client, t)).ToList();
 26 |                 await Task.WhenAll(taskList);
 27 |             }
 28 |             catch (Exception ex)
 29 |             {
 30 |                 Console.WriteLine(ex.ToString());
 31 |             }
 32 | 
 33 |             Console.WriteLine("\nAll messages sent.\n");
 34 |         }
 35 | 
 36 |         private async Task SendItems(ServiceBusClient client, string store)
 37 |         {
 38 |             // create the sender
 39 |             var tc = client.CreateSender(TopicName);
 40 |             for (var i = 0; i < NrOfMessagesPerStore; i++)
 41 |             {
 42 |                 var r = new Random();
 43 |                 var item = new Item(r.Next(5), r.Next(5), r.Next(5));
 44 |                 // Note the extension class which is serializing an deserializing messages
 45 |                 var message = item.AsMessage();
 46 |                 message.To = store;
 47 |                 message.ApplicationProperties.Add("StoreId", store);
 48 |                 message.ApplicationProperties.Add("Price", item.GetPrice().ToString());
 49 |                 message.ApplicationProperties.Add("Color", item.GetColor());
 50 |                 message.ApplicationProperties.Add("Category", item.GetItemCategory());
 51 |                 await tc.SendMessageAsync(message);
 52 |                 Console.WriteLine(
 53 |                     $"Sent item to Store {store}. Price={item.GetPrice()}, Color={item.GetColor()}, Category={item.GetItemCategory()}");
 54 |                 ;
 55 |             }
 56 |         }
 57 | 
 58 |         public async Task Receive()
 59 |         {
 60 |             var taskList = new List<Task>();
 61 |             for (var i = 0; i < Subscriptions.Length; i++) taskList.Add(ReceiveMessages(i.ToString()));
 62 |             await Task.WhenAll(taskList);
 63 |         }
 64 | 
 65 |         private async Task ReceiveMessages(string subscription)
 66 |         {
 67 |             await using var client = new ServiceBusClient(ServiceBusConnectionString);
 68 |             var receiver = client.CreateReceiver(TopicName, subscription);
 69 | 
 70 |             // In reality you would not break out of the loop like in this example but would keep looping. The receiver keeps the connection open
 71 |             // to the broker for the specified amount of seconds and the broker returns messages as soon as they arrive. The client then initiates
 72 |             // a new connection. So in reality you would not want to break out of the loop. 
 73 |             // Also note that the code shows how to batch receive, which you would do for performance reasons. For convenience you can also always
 74 |             // use the regular receive pump which we show in our Quick Start and in other github samples.
 75 |             while (true)
 76 |                 try
 77 |                 {
 78 |                     //IList<Message> messages = await receiver.ReceiveAsync(10, TimeSpan.FromSeconds(2));
 79 |                     // Note the extension class which is serializing an deserializing messages and testing messages is null or 0.
 80 |                     // If you think you did not receive all messages, just press M and receive again via the menu.
 81 |                     var messages = await receiver.ReceiveMessagesAsync(100);
 82 | 
 83 |                     if (messages.Any())
 84 |                         foreach (var message in messages)
 85 |                         {
 86 |                             lock (Console.Out)
 87 |                             {
 88 |                                 var item = message.As<Item>();
 89 |                                 var myApplicationProperties = message.ApplicationProperties;
 90 |                                 Console.WriteLine($"StoreId={myApplicationProperties["StoreId"]}");
 91 |                                 if (message.Subject != null) Console.WriteLine($"Subject={message.Subject}");
 92 |                                 Console.WriteLine(
 93 |                                     $"Item data: Price={item.GetPrice()}, Color={item.GetColor()}, Category={item.GetItemCategory()}");
 94 |                             }
 95 | 
 96 |                             await receiver.CompleteMessageAsync(message);
 97 |                         }
 98 |                     else
 99 |                         break;
100 |                 }
101 |                 catch (Exception ex)
102 |                 {
103 |                     Console.WriteLine(ex.ToString());
104 |                 }
105 |         }
106 |     }
107 | }


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
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/BasicSendReceiveTutorialWithFilters/Program.cs:
--------------------------------------------------------------------------------
  1 | //using Microsoft.Azure.ServiceBus;
  2 | 
  3 | using System;
  4 | using System.Collections.Generic;
  5 | using System.Threading.Tasks;
  6 | using Azure.Messaging.ServiceBus.Administration;
  7 | 
  8 | namespace BasicSendReceiveTutorialWithFilters
  9 | {
 10 |     internal class Program
 11 |     {
 12 |         private static readonly string[] Subscriptions = {"S1", "S2", "S3"};
 13 | 
 14 |         private static readonly IDictionary<string, string[]> SubscriptionFilters = new Dictionary<string, string[]>
 15 |         {
 16 |             {"S1", new[] {"StoreId IN('Store1', 'Store2', 'Store3')", "StoreId = 'Store4'"}},
 17 |             {"S2", new[] {"sys.To IN ('Store5','Store6','Store7') OR StoreId = 'Store8'"}},
 18 |             {
 19 |                 "S3",
 20 |                 new[]
 21 |                 {
 22 |                     "sys.To NOT IN ('Store1','Store2','Store3','Store4','Store5','Store6','Store7','Store8') OR StoreId NOT IN ('Store1','Store2','Store3','Store4','Store5','Store6','Store7','Store8')"
 23 |                 }
 24 |             }
 25 |         };
 26 | 
 27 |         // You can have only have one action per rule and this sample code supports only one action for the first filter which is used to create the first rule. 
 28 |         private static readonly IDictionary<string, string> SubscriptionAction = new Dictionary<string, string>
 29 |         {
 30 |             {"S1", ""},
 31 |             {"S2", ""},
 32 |             {"S3", "SET sys.Label = 'SalesEvent'"}
 33 |         };
 34 | 
 35 |         private static readonly string[] Store =
 36 |             {"Store1", "Store2", "Store3", "Store4", "Store5", "Store6", "Store7", "Store8", "Store9", "Store10"};
 37 | 
 38 |         //static string SysField = "sys.To";
 39 |         //static string CustomField = "StoreId";
 40 |         private static readonly int NrOfMessagesPerStore = 1; // Send at least 1.
 41 |         private string ServiceBusConnectionString;
 42 |         private string TopicName;
 43 | 
 44 |         private static Program StartProgram(string ServiceBusConnectionString, string TopicName)
 45 |         {
 46 |             var program = new Program
 47 |             {
 48 |                 ServiceBusConnectionString = ServiceBusConnectionString,
 49 |                 TopicName = TopicName
 50 |             };
 51 | 
 52 |             return program;
 53 |         }
 54 | 
 55 |         private static void Main(string[] args)
 56 |         {
 57 |             var ServiceBusConnectionString = "";
 58 |             var TopicName = "";
 59 | 
 60 |             for (var i = 0; i < args.Length; i++)
 61 |                 if (args[i] == "-ConnectionString")
 62 |                 {
 63 |                     Console.WriteLine($"ConnectionString: {args[i + 1]}");
 64 |                     ServiceBusConnectionString = args[i + 1]; // Alternatively enter your connection string here.
 65 |                 }
 66 |                 else if (args[i] == "-TopicName")
 67 |                 {
 68 |                     Console.WriteLine($"TopicName: {args[i + 1]}");
 69 |                     TopicName = args[i + 1]; // Alternatively enter your queue name here.
 70 |                 }
 71 | 
 72 |             if (ServiceBusConnectionString != "" && TopicName != "")
 73 |             {
 74 |                 var P = StartProgram(ServiceBusConnectionString, TopicName);
 75 |                 P.PresentMenu().GetAwaiter().GetResult();
 76 |             }
 77 |             else
 78 |             {
 79 |                 Console.WriteLine("Specify -Connectionstring and -TopicName to execute the example.");
 80 |                 Console.ReadKey();
 81 |             }
 82 |         }
 83 | 
 84 |         public async Task PresentMenu()
 85 |         {
 86 |             Console.WriteLine("Choose an action:");
 87 |             Console.WriteLine("[1] Remove the default filters which accept all messages. DO THIS ALWAYS FIRST.");
 88 |             Console.WriteLine("[2] Create your own filters. DO THIS SECOND.");
 89 |             Console.WriteLine("[3] Remove your own filters. OPTIONAL");
 90 |             Console.WriteLine("[4] Send messages.");
 91 |             Console.WriteLine("[5] Receive messages.\n");
 92 | 
 93 |             var key = Console.ReadKey(true).KeyChar;
 94 |             var keyPressed = key.ToString().ToUpper();
 95 | 
 96 |             switch (keyPressed)
 97 |             {
 98 |                 case "1":
 99 |                     // This will remove the default filters, which you need to do always first
100 |                     await RemoveDefaultFilters();
101 |                     break;
102 |                 case "2":
103 |                     // This will create the customer filters
104 |                     await CreateCustomFilters();
105 |                     break;
106 |                 case "3":
107 |                     // Optionally with this you can remove the custom filters.
108 |                     await CleanUpCustomFilters();
109 |                     break;
110 |                 case "4":
111 |                     // Use this to Send messages.
112 |                     await SendMessages();
113 |                     break;
114 |                 case "5":
115 |                     // Use this to Receive messages.
116 |                     await Receive();
117 |                     break;
118 |                 default:
119 |                     Console.WriteLine("Unknown command, press enter to exit");
120 |                     Console.ReadLine();
121 |                     break;
122 |             }
123 |         }
124 | 
125 |         private async Task SendMessages()
126 |         {
127 |             var sr = new SendReceive
128 |             {
129 |                 ServiceBusConnectionString = ServiceBusConnectionString,
130 |                 TopicName = TopicName,
131 |                 Subscriptions = Subscriptions,
132 |                 Store = Store,
133 |                 NrOfMessagesPerStore = NrOfMessagesPerStore
134 |             };
135 | 
136 |             await sr.SendMessages();
137 | 
138 |             await PresentMenu();
139 |         }
140 | 
141 |         private async Task Receive()
142 |         {
143 |             var sr = new SendReceive
144 |             {
145 |                 ServiceBusConnectionString = ServiceBusConnectionString,
146 |                 TopicName = TopicName,
147 |                 Subscriptions = Subscriptions,
148 |                 Store = Store,
149 |                 NrOfMessagesPerStore = NrOfMessagesPerStore
150 |             };
151 | 
152 |             Console.WriteLine(
153 |                 "\nReceiveing messages. Press any key to exit once all messages have been received. Alternatively press \"M\" to get to the menu\n");
154 | 
155 |             await sr.Receive();
156 | 
157 |             var key = Console.ReadKey(true).KeyChar;
158 |             var keyPressed = key.ToString().ToUpper();
159 | 
160 |             switch (keyPressed)
161 |             {
162 |                 case "M":
163 |                     await PresentMenu();
164 |                     break;
165 |             }
166 |         }
167 | 
168 |         private async Task RemoveDefaultFilters()
169 |         {
170 |             Console.WriteLine("Starting to remove default filters.");
171 | 
172 |             try
173 |             {
174 |                 var client = new ServiceBusAdministrationClient(ServiceBusConnectionString);
175 |                 foreach (var subscription in Subscriptions)
176 |                 {
177 |                     await client.DeleteRuleAsync(TopicName, subscription, CreateRuleOptions.DefaultRuleName);
178 |                     Console.WriteLine($"Default filter for {subscription} has been removed.");
179 |                 }
180 | 
181 |                 Console.WriteLine("All default Rules have been removed.\n");
182 |             }
183 |             catch (Exception ex)
184 |             {
185 |                 Console.WriteLine(ex.ToString());
186 |             }
187 | 
188 |             await PresentMenu();
189 |         }
190 | 
191 |         private async Task CreateCustomFilters()
192 |         {
193 |             try
194 |             {
195 |                 for (var i = 0; i < Subscriptions.Length; i++)
196 |                 {
197 |                     var client = new ServiceBusAdministrationClient(ServiceBusConnectionString);
198 |                     var filters = SubscriptionFilters[Subscriptions[i]];
199 |                     if (filters[0] != "")
200 |                     {
201 |                         var count = 0;
202 |                         foreach (var myFilter in filters)
203 |                         {
204 |                             count++;
205 | 
206 |                             var action = SubscriptionAction[Subscriptions[i]];
207 |                             if (action != "")
208 |                                 await client.CreateRuleAsync(TopicName, Subscriptions[i], new CreateRuleOptions
209 |                                 {
210 |                                     Filter = new SqlRuleFilter(myFilter),
211 |                                     Action = new SqlRuleAction(action),
212 |                                     Name = $"MyRule{count}"
213 |                                 });
214 |                             else
215 |                                 await client.CreateRuleAsync(TopicName, Subscriptions[i], new CreateRuleOptions
216 |                                 {
217 |                                     Filter = new SqlRuleFilter(myFilter),
218 |                                     Name = $"MyRule{count}"
219 |                                 });
220 |                         }
221 |                     }
222 | 
223 |                     Console.WriteLine($"Filters and actions for {Subscriptions[i]} have been created.");
224 |                 }
225 | 
226 |                 Console.WriteLine("All filters and actions have been created.\n");
227 |             }
228 |             catch (Exception ex)
229 |             {
230 |                 Console.WriteLine(ex.ToString());
231 |             }
232 | 
233 |             await PresentMenu();
234 |         }
235 | 
236 |         private async Task CleanUpCustomFilters()
237 |         {
238 |             foreach (var subscription in Subscriptions)
239 |                 try
240 |                 {
241 |                     var client = new ServiceBusAdministrationClient(ServiceBusConnectionString);
242 |                     var rules = client.GetRulesAsync(TopicName, subscription).GetAsyncEnumerator();
243 |                     while (await rules.MoveNextAsync())
244 |                     {
245 |                         await client.DeleteRuleAsync(TopicName, subscription, rules.Current.Name);
246 |                         Console.WriteLine($"Rule {rules.Current.Name} has been removed.");
247 |                     }
248 |                 }
249 |                 catch (Exception ex)
250 |                 {
251 |                     Console.WriteLine(ex.ToString());
252 |                 }
253 | 
254 |             Console.WriteLine("All default filters have been removed.\n");
255 | 
256 |             await PresentMenu();
257 |         }
258 |     }
259 | }


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