83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
namespace Passer.Control.Core {
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public class ModelUrlMsg : IMessage {
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public const byte Id = 0x90; // (144) Model URL
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public const byte length = 4;
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public byte networkId;
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public byte thingId;
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public string? url = null;
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public ModelUrlMsg(byte networkId, Thing thing) {
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this.networkId = networkId;
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this.thingId = thing.id;
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this.url = thing.modelUrl;
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}
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public ModelUrlMsg(byte networkId, byte thingId, string url, float scale = 1) {
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this.networkId = networkId;
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this.thingId = thingId;
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this.url = url;
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}
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public ModelUrlMsg(byte[] buffer) : base(buffer) { }
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public override byte Serialize(ref byte[] buffer) {
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byte ix = 0;
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buffer[ix++] = ModelUrlMsg.Id;
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buffer[ix++] = this.networkId;
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buffer[ix++] = this.thingId; // Thing Id
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buffer[ix++] = (byte)url.Length;
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for (int urlIx = 0; urlIx < this.url.Length; urlIx++)
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buffer[ix++] = (byte)url[urlIx];
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return ix;
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}
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public override void Deserialize(byte[] buffer) {
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byte ix = 0;
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this.networkId = buffer[ix++];
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this.thingId = buffer[ix++];
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int strlen = buffer[ix++];
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url = System.Text.Encoding.UTF8.GetString(buffer, (int)ix, strlen);
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}
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public static bool Send(Participant client, Thing thing) {
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if (string.IsNullOrEmpty(thing.modelUrl))
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return true; // nothing sent, but still a success!
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ModelUrlMsg msg = new(thing.networkId, thing.id, thing.modelUrl);
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return SendMsg(client, msg);
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}
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public static bool Send(Participant client, byte networkId, byte thingId, string modelUrl) {
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if (string.IsNullOrEmpty(modelUrl))
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return true; // nothing sent, but still a success!
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ModelUrlMsg msg = new(networkId, thingId, modelUrl);
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return SendMsg(client, msg);
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}
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public static async Task<bool> Receive(Stream dataStream, Participant client, byte packetSize) {
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byte[] buffer = await Receive(dataStream, packetSize);
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ModelUrlMsg msg = new(buffer);
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client.messageQueue.Enqueue(msg);
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return true;
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}
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public static bool SendTo(Participant participant, Thing thing) {
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if (participant == null || thing == null || thing.modelUrl == null)
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return false;
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byte urlLength = (byte)thing.modelUrl.Length;
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if (participant.buffer.Length < 3 + urlLength)
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return false;
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byte ix = 0;
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participant.buffer[ix++] = ModelUrlMsg.Id;
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participant.buffer[ix++] = participant.networkId;
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participant.buffer[ix++] = thing.id; // Thing Id
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participant.buffer[ix++] = urlLength;
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for (int urlIx = 0; urlIx < urlLength; urlIx++)
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participant.buffer[ix++] = (byte)thing.modelUrl[urlIx];
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return participant.SendBuffer(ix);
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}
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}
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} |