74 lines
2.8 KiB
Markdown
74 lines
2.8 KiB
Markdown
Tesses.Broadcast
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================
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[](https://nuget.org/packages/Tesses.Broadcast)
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[](https://nuget.org/packages/Tesses.Broadcast)
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[](https://nuget.org/packages/Tesses.Broadcast.Eto)
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[](https://nuget.org/packages/Tesses.Broadcast.Eto)
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A simple udp broadcast library
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Client
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======
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```csharp
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using Tesses.Broadcast;
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await foreach(var item in BroadcastClient.ScanAsync("Test",6942,default)) //replace Test with your service name, replace 6942 with desired port used by server, replace default with CancellationToken
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{
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Console.WriteLine($"Found device {item.DeviceName} with {item.ServiceUrl} and with ip: {item.Endpoint}");
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}
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```
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Server
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======
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```csharp
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using Tesses.Broadcast;
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await new BroadcastServerBuilder()
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.WithDeviceName("Mikes Phone") //replace with the server name (any string)
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.WithService("Test","http://127.0.0.1:3254/") //127.0.0.1 will be rewriten by client
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.WithService("Other Service", "http://127.0.0.1:4949/") //another service my friend
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.WithPort(6942) //replace with desired port to listen on
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.Build()
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.ListenAsync();
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```
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Eto
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===
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Install [this nuget package.](https://nuget.org/packages/Tesses.Broadcast.Eto)
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```csharp
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using(var bro = new BroadcastDialog("Test",6942)) //replace Test with your service name, replace 6942 with desired port used by server
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{
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serviceUrl.Text=bro.ShowModal(); //will return empty string if cancelled
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}
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```
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Protocol
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========
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## Request
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| Type | Name | Value | Description |
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| ---- | ---- | ----- | ----------- |
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| char[11] | Signature | "TessesBcReq" | A signature to decern a request from a random udp packet |
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| uint16be | NameLength | <The Length of Name> | The big endian 16 bit, byte length of Name |
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| char[NameLength] | Name | <The Service Name> | The Service Name, Test in the example |
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## Response
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| Type | Name | Value | Description |
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| ---- | ---- | ----- | ----------- |
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| char[12] | Signature | "TessesBcResp" | A signature to decern a response from a random udp packet |
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| uint16be | DeviceNameLength | <The Length of DeviceName> | The big endian 16 bit, byte length of DeviceName |
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| char[DeviceNameLength] | DeviceName | <The Device Name> | The Device Name, "Mikes Phone" in this example |
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| uint16be | ServiceUrlLength | <The Length of ServiceUrl> | The big endian 16 bit, byte length of ServiceUrl |
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| char[ServiceUrlLength] | ServiceUrl | <The Service Url> | The Service Url, "http://127.0.0.1:3254/" in this example |
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## Converting the url
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If the hostname starts with "127." or equals "localhost" replace the hostname with the remote ip (server ip) (do this on the client) |