This commit is contained in:
2019-03-23 11:37:52 +01:00
parent faa54aca0e
commit 233523ca4d
5 changed files with 90 additions and 0 deletions

View File

@@ -4,6 +4,9 @@ using System.Text;
namespace PlantBox.Shared.Communication
{
/// <summary>
/// All valid commands as described in the Wiki > Commands
/// </summary>
public enum Command
{
Captors,

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@@ -6,18 +6,41 @@ using System.Text;
namespace PlantBox.Shared.Communication
{
/// <summary>
/// Represent a Packet as described in the Wiki > Protocol
/// </summary>
public class CommandPacket
{
/// <summary>
/// A valid packet command, see the Wiki > Commands
/// </summary>
public Command Command { get; }
/// <summary>
/// A valid id
/// </summary>
public ulong ID { get; }
/// <summary>
/// Any arguments, see the Wiki page of a command for more infos
/// </summary>
public string[] Arguments { get; }
/// <summary>
/// Create a <see cref="CommandPacket"/>
/// </summary>
/// <param name="command"></param>
/// <param name="id"></param>
/// <param name="arguments"></param>
public CommandPacket(Command command, ulong id, string[] arguments)
{
Command = command;
ID = id;
Arguments = arguments ?? Array.Empty<string>();
}
/// <summary>
/// Create a <see cref="CommandPacket"/>
/// </summary>
/// <param name="command"></param>
/// <param name="arguments"></param>
public CommandPacket(Command command, params string[] arguments)
{
Command = command;
@@ -25,6 +48,10 @@ namespace PlantBox.Shared.Communication
Arguments = arguments != null && arguments.Length > 1 ? arguments.Skip(1).ToArray() : Array.Empty<string>();
}
/// <summary>
/// Convert a <see cref="CommandPacket"/> to a valid text representation of a packet, see Wiki > Protocol
/// </summary>
/// <returns>A valid packet text representation, ready to be sent</returns>
public override string ToString()
{
return $"{Command.ToString().ToUpperInvariant()}\n{ID}{(Arguments.Length > 0 ? $";{string.Join(";", Arguments)}" : string.Empty)}\n";

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@@ -6,15 +6,26 @@ using System.Threading.Tasks;
namespace PlantBox.Shared.Communication
{
/// <summary>
/// Wrap a <see cref="NetworkStream"/> to send <see cref="CommandPacket"/> easily, see Wiki > Protocol
/// </summary>
public class CommandStream
{
private NetworkStream _stream;
/// <summary>
/// Create a new <see cref="CommandStream"/>
/// </summary>
/// <param name="networkStream">A connected and valid <see cref="NetworkStream"/></param>
public CommandStream(NetworkStream networkStream)
{
_stream = networkStream;
}
/// <summary>
/// Read a <see cref="CommandPacket"/> from the stream
/// </summary>
/// <returns></returns>
public CommandPacket Receive()
{
// Length
@@ -37,6 +48,10 @@ namespace PlantBox.Shared.Communication
return new CommandPacket(command, packet[1].Split(';'));
}
/// <summary>
/// Read a <see cref="CommandPacket"/> from the stream asynchronously
/// </summary>
/// <returns></returns>
public async Task<CommandPacket> ReceiveAsync()
{
// Length
@@ -59,6 +74,10 @@ namespace PlantBox.Shared.Communication
return new CommandPacket(command, packet[1].Split(';'));
}
/// <summary>
/// Write a <see cref="CommandPacket"/> in the stream
/// </summary>
/// <param name="command"></param>
public void Send(CommandPacket command)
{
string packet = command.ToString();
@@ -68,6 +87,11 @@ namespace PlantBox.Shared.Communication
_stream.Write(data, 0, data.Length);
}
/// <summary>
/// Write a <see cref="CommandPacket"/> in the stream asynchronously
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
public async Task SendAsync(CommandPacket command)
{
string packet = command.ToString();

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@@ -4,11 +4,32 @@ using System.Text;
namespace PlantBox.Shared.Communication.Commands
{
/// <summary>
/// A class serializable to a <see cref="CommandPacket"/>
/// </summary>
/// <typeparam name="T"></typeparam>
public abstract class CommandSerializable<T>
{
/// <summary>
/// Serialize all the values in a string <see cref="Array"/>,
/// should contains everything to deserialize
/// </summary>
/// <returns>Valid arguments for a <see cref="CommandPacket"/></returns>
public abstract string[] Serialize();
/// <summary>
/// Create an instance of the class from a string <see cref="Array"/>
/// </summary>
/// <param name="arguments">Arguments from the <see cref="CommandSerializable{T}.Serialize"/> method</param>
/// <returns><see cref="T"/> initilized accordingly</returns>
public abstract T Deserialize(string[] arguments);
/// <summary>
/// Convert a <see cref="CommandSerializable{T}"/> to a <see cref="CommandPacket"/>
/// </summary>
/// <param name="command">Command type</param>
/// <param name="id">A valid id</param>
/// <returns></returns>
public CommandPacket ToCommandPacket(Command command, ulong id)
{
return new CommandPacket(command, id, Serialize());

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@@ -4,14 +4,29 @@ using System.Text;
namespace PlantBox.Shared.Communication
{
/// <summary>
/// Contains all informations used to communicate
/// </summary>
public static class Connection
{
// UDP
/// <summary>
/// Port used by broadcast discovery
/// </summary>
public const int UDP_PORT = 1401;
/// <summary>
/// Request sent for a discovery
/// </summary>
public static readonly byte[] UDP_REQUEST = { 102, 210, 48, 255 };
/// <summary>
/// Reply sent for a discovery
/// </summary>
public static readonly byte[] UDP_REPLY = { 102, 210, 48, 0 };
// TCP
/// <summary>
/// Port used by the broker to accept clients
/// </summary>
public const int TCP_PORT = 1402;
}
}