feat: example browser

richardschneider · Jul 22, 2018 · 1b976bb · 1b976bb
1 parent 003370e
commit 1b976bb
Show file tree

Hide file tree

Showing 4 changed files with 108 additions and 2 deletions.
diff --git a/Browser/Browser.csproj b/Browser/Browser.csproj
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\src\Mdns.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+
+</Project>
diff --git a/Browser/Program.cs b/Browser/Program.cs
@@ -0,0 +1,80 @@
+using Makaretu.Dns;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Browser
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            var mdns = new MulticastService();
+            var sd = new ServiceDiscovery(mdns);
+
+            mdns.NetworkInterfaceDiscovered += (s, e) =>
+            {
+                foreach (var nic in e.NetworkInterfaces)
+                {
+                    Console.WriteLine($"NIC '{nic.Name}'");
+                }
+
+                // Ask for the name of all services.
+                sd.QueryAllServices();
+            };
+
+            sd.ServiceDiscovered += (s, serviceName) =>
+            {
+                Console.WriteLine($"service '{serviceName}'");
+
+                // Ask for the name of instances of the service.
+                mdns.SendQuery(serviceName, type: DnsType.PTR);
+            };
+
+            mdns.AnswerReceived += (s, e) =>
+            {
+                // Is this an answer to a instances query?
+                var pointers = e.Message.Answers.OfType<PTRRecord>().Where(p => p.Name != ServiceDiscovery.ServiceName);
+                foreach (var pointer in pointers)
+                {
+                    Console.WriteLine($"service instance '{pointer.DomainName}'");
+
+                    // Ask for the service instance details.
+                    mdns.SendQuery(pointer.DomainName, type: DnsType.SRV);
+                }
+
+                // Is this an answer to a service instance details?
+                var servers = e.Message.Answers.OfType<SRVRecord>();
+                foreach (var server in servers)
+                {
+                    Console.WriteLine($"host '{server.Target}' for '{server.Name}'");
+
+                    // Ask for the host IP addresses.
+                    mdns.SendQuery(server.Target, type: DnsType.A);
+                    mdns.SendQuery(server.Target, type: DnsType.AAAA);
+                }
+
+                // Is this an answer to host addresses?
+                var addresses = e.Message.Answers.OfType<AddressRecord>();
+                foreach (var address in addresses)
+                {
+                    Console.WriteLine($"host '{address.Name}' at {address.Address}");
+                }
+
+            };
+
+            try
+            {
+                mdns.Start();
+                Console.ReadKey();
+            }
+            finally
+            {
+                sd.Dispose();
+                mdns.Stop();
+            }
+        }
+    }
+}
diff --git a/Mdns.sln b/Mdns.sln
@@ -13,13 +13,15 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		README.md = README.md
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Documentation", "doc\Documentation.csproj", "{F3A32EA9-0B2F-46A3-B47A-33B4C04BD423}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Documentation", "doc\Documentation.csproj", "{F3A32EA9-0B2F-46A3-B47A-33B4C04BD423}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Mdns", "src\Mdns.csproj", "{F3C81C57-C283-4E07-B765-DEABCFB22136}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MdnsTests", "test\MdnsTests.csproj", "{B459FBC7-4A28-4170-AD83-7348A403407F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Spike", "Spike\Spike.csproj", "{B7019D35-A153-4143-979C-C493A74FA7EA}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spike", "Spike\Spike.csproj", "{B7019D35-A153-4143-979C-C493A74FA7EA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Browser", "Browser\Browser.csproj", "{A77BEF8C-440E-46F7-ACFC-5EF06EFCA4BA}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -41,6 +43,10 @@ Global
 		{B7019D35-A153-4143-979C-C493A74FA7EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B7019D35-A153-4143-979C-C493A74FA7EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B7019D35-A153-4143-979C-C493A74FA7EA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A77BEF8C-440E-46F7-ACFC-5EF06EFCA4BA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A77BEF8C-440E-46F7-ACFC-5EF06EFCA4BA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A77BEF8C-440E-46F7-ACFC-5EF06EFCA4BA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A77BEF8C-440E-46F7-ACFC-5EF06EFCA4BA}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

diff --git a/README.md b/README.md
@@ -40,6 +40,8 @@ var sd = new ServiceDiscovery();
 sd.Advertise(service);
 ```
 
+See the [example advertiser](Spike/Program.cs) for a working program.
+
 ### Discovery
 
 Find all services running on the local link.
@@ -51,6 +53,8 @@ var sd = new ServiceDiscovery();
 sd.ServiceDiscovered += (s, serviceName) => { // Do something };
 ```
 
+See the [example browser](Browser/Program.cs) for a working program.
+
 ## Usage Multicast
 
 ### Event Based Queries