diff --git a/Client.cs b/Client.cs new file mode 100644 index 0000000..c5ca156 --- /dev/null +++ b/Client.cs @@ -0,0 +1,109 @@ +using System.Collections.Generic; +using System.Collections.Concurrent; +using System.Net.Sockets; +using System.IO; + +namespace Passer.Control { + + public class Client { + //public ConnectionMethod connection; + public UdpClient udpClient; + public string ipAddress; + public int port; + public Stream dataStream; + + public byte networkId = 0; + + public readonly ConcurrentQueue messageQueue = new(); + + public static Client GetClient(string ipAddress, int port) { + foreach (Client c in clients) { + if (c.ipAddress == ipAddress && c.port == port) + return c; + } + return null; + } + static public List clients = new List(); + + public Client(UdpClient udpClient, int port) { + this.udpClient = udpClient; + this.ipAddress = null; + this.port = port; + this.dataStream = new EchoStream(); + clients.Add(this); + } + + public virtual void ProcessMessages() { + while (this.messageQueue.TryDequeue(out IMessage msg)) + ProcessMessage(msg); + } + + public void ProcessMessage(IMessage msg) { + switch (msg) { + case ClientMsg clientMsg: + ProcessClient(clientMsg); + break; + case NetworkIdMsg networkId: + ProcessNetworkId(networkId); + break; + case InvestigateMsg investigate: + ProcessInvestigate(investigate); + break; + case ThingMsg thing: + ProcessThing(thing); + break; + case NameMsg name: + //UnityEngine.Debug.Log($"Name [{name.networkId}/{name.thingId}] {name.name}"); + ProcessName(name); + break; + case ModelUrlMsg modelUrl: + ProcessModelUrl(modelUrl); + break; + case PoseMsg pose: + ProcessPose(pose); + break; + case CustomMsg custom: + ProcessCustom(custom); + break; + case TextMsg text: + ProcessText(text); + break; + case DestroyMsg destroy: + ProcessDestroy(destroy); + break; + default: + return; + } + ForwardMessage(msg); + } + + protected virtual void ProcessClient(ClientMsg client) { } + + protected virtual void ProcessNetworkId(NetworkIdMsg networkId) { } + + protected virtual void ProcessInvestigate(InvestigateMsg investigate) { } + + protected virtual void ProcessThing(ThingMsg thing) { } + + protected virtual void ProcessName(NameMsg name) { } + + protected virtual void ProcessModelUrl(ModelUrlMsg modelUrl) { } + + protected virtual void ProcessPose(PoseMsg pose) { } + + protected virtual void ProcessCustom(CustomMsg custom) { } + + protected virtual void ProcessText(TextMsg text) { } + + protected virtual void ProcessDestroy(DestroyMsg destroy) { } + + private void ForwardMessage(IMessage msg) { + foreach (Client client in Client.clients) { + if (client == this) + continue; + //UnityEngine.Debug.Log($"---> {client.ipAddress}"); + IMessage.SendMsg(client, msg); + } + } + } +} \ No newline at end of file diff --git a/Client.cs.meta b/Client.cs.meta new file mode 100644 index 0000000..c346934 --- /dev/null +++ b/Client.cs.meta @@ -0,0 +1,2 @@ +fileFormatVersion: 2 +guid: db9cd79cff119a9438110ead000031c3 \ No newline at end of file diff --git a/EchoStream.cs b/EchoStream.cs new file mode 100644 index 0000000..c9ae949 --- /dev/null +++ b/EchoStream.cs @@ -0,0 +1,173 @@ +using System; +using System.IO; +using System.Threading.Tasks; +using System.Threading; +using System.Collections.Concurrent; + +public class EchoStream : Stream { + public override bool CanTimeout { get; } = true; + public override int ReadTimeout { get; set; } = Timeout.Infinite; + public override int WriteTimeout { get; set; } = Timeout.Infinite; + public override bool CanRead { get; } = true; + public override bool CanSeek { get; } = false; + public override bool CanWrite { get; } = true; + + public bool CopyBufferOnWrite { get; set; } = false; + + private readonly object _lock = new object(); + + // Default underlying mechanism for BlockingCollection is ConcurrentQueue, which is what we want + private readonly BlockingCollection _Buffers; + private int _maxQueueDepth = 10; + + private byte[] m_buffer = null; + private int m_offset = 0; + private int m_count = 0; + + private bool m_Closed = false; + private bool m_FinalZero = false; //after the stream is closed, set to true after returning a 0 for read() + public override void Close() { + m_Closed = true; + + // release any waiting writes + _Buffers.CompleteAdding(); + } + + public bool DataAvailable { + get { + return _Buffers.Count > 0; + } + } + + private long _Length = 0L; + public override long Length { + get { + return _Length; + } + } + + private long _Position = 0L; + public override long Position { + get { + return _Position; + } + set { + throw new NotImplementedException(); + } + } + + public EchoStream() : this(10) { + } + + public EchoStream(int maxQueueDepth) { + _maxQueueDepth = maxQueueDepth; + _Buffers = new BlockingCollection(_maxQueueDepth); + } + + // we override the xxxxAsync functions because the default base class shares state between ReadAsync and WriteAsync, which causes a hang if both are called at once + public new Task WriteAsync(byte[] buffer, int offset, int count) { + return Task.Run(() => Write(buffer, offset, count)); + } + + // we override the xxxxAsync functions because the default base class shares state between ReadAsync and WriteAsync, which causes a hang if both are called at once + public new Task ReadAsync(byte[] buffer, int offset, int count) { + return Task.Run(() => { + return Read(buffer, offset, count); + }); + } + + public override void Write(byte[] buffer, int offset, int count) { + if (m_Closed || buffer.Length - offset < count || count <= 0) + return; + + byte[] newBuffer; + if (!CopyBufferOnWrite && offset == 0 && count == buffer.Length) + newBuffer = buffer; + else { + newBuffer = new byte[count]; + System.Buffer.BlockCopy(buffer, offset, newBuffer, 0, count); + } + if (!_Buffers.TryAdd(newBuffer, WriteTimeout)) + throw new TimeoutException("EchoStream Write() Timeout"); + + _Length += count; + } + + public override int Read(byte[] buffer, int offset, int count) { + if (count == 0) + return 0; + lock (_lock) { + if (m_count == 0 && _Buffers.Count == 0) { + if (m_Closed) { + if (!m_FinalZero) { + m_FinalZero = true; + return 0; + } + else { + return -1; + } + } + + if (_Buffers.TryTake(out m_buffer, ReadTimeout)) { + m_offset = 0; + m_count = m_buffer.Length; + } + else { + if (m_Closed) { + if (!m_FinalZero) { + m_FinalZero = true; + return 0; + } + else { + return -1; + } + } + else { + return 0; + } + } + } + + int returnBytes = 0; + while (count > 0) { + if (m_count == 0) { + if (_Buffers.TryTake(out m_buffer, 0)) { + m_offset = 0; + m_count = m_buffer.Length; + } + else + break; + } + + var bytesToCopy = (count < m_count) ? count : m_count; + System.Buffer.BlockCopy(m_buffer, m_offset, buffer, offset, bytesToCopy); + m_offset += bytesToCopy; + m_count -= bytesToCopy; + offset += bytesToCopy; + count -= bytesToCopy; + + returnBytes += bytesToCopy; + } + + _Position += returnBytes; + + return returnBytes; + } + } + + public override int ReadByte() { + byte[] returnValue = new byte[1]; + return (Read(returnValue, 0, 1) <= 0 ? -1 : (int)returnValue[0]); + } + + public override void Flush() { + } + + public override long Seek(long offset, SeekOrigin origin) { + throw new NotImplementedException(); + } + + public override void SetLength(long value) { + throw new NotImplementedException(); + } +} \ No newline at end of file diff --git a/EchoStream.cs.meta b/EchoStream.cs.meta new file mode 100644 index 0000000..063a4f2 --- /dev/null +++ b/EchoStream.cs.meta @@ -0,0 +1,2 @@ +fileFormatVersion: 2 +guid: 422516a56cbf14d46aaa0b1bc09115bf \ No newline at end of file diff --git a/LowLevelMessages.cs b/LowLevelMessages.cs index a976ddf..abeef3a 100644 --- a/LowLevelMessages.cs +++ b/LowLevelMessages.cs @@ -1,7 +1,14 @@ using Passer; public class LowLevelMessages { - public static Spherical ReceiveSpherical(byte[] data, ref uint ix) { + + public static void SendSpherical(byte[] buffer, ref byte ix, Spherical v) { + SendAngle8(buffer, ref ix, v.horizontal); + SendAngle8(buffer, ref ix, v.vertical); + SendFloat16(buffer, ref ix, new float16(v.distance)); + } + + public static Spherical ReceiveSpherical(byte[] data, ref byte ix) { float horizontal = ReceiveAngle8(data, ref ix); float vertical = ReceiveAngle8(data, ref ix); float distance = ReceiveFloat16(data, ref ix); @@ -9,7 +16,24 @@ public class LowLevelMessages { return v; } - public static Quat32 ReceiveQuat32(byte[] data, ref uint ix) { + public static void SendQuat32(byte[] buffer, ref byte ix, Quat32 q) { + int qx = (int)(q.x * 127 + 128); + int qy = (int)(q.y * 127 + 128); + int qz = (int)(q.z * 127 + 128); + int qw = (int)(q.w * 255); + if (q.w < 0) { + qx = -qx; + qy = -qy; + qz = -qz; + qw = -qw; + } + + buffer[ix++] = (byte)qx; + buffer[ix++] = (byte)qy; + buffer[ix++] = (byte)qz; + buffer[ix++] = (byte)qw; + } + public static Quat32 ReceiveQuat32(byte[] data, ref byte ix) { Quat32 q = new( (data[ix++] - 128.0F) / 127.0F, (data[ix++] - 128.0F) / 127.0F, @@ -18,18 +42,31 @@ public class LowLevelMessages { return q; } - public static float ReceiveAngle8(byte[] data, ref uint ix) { + public static void SendAngle8(byte[] buffer, ref byte ix, float angle) { + // Normalize angle + while (angle >= 180) + angle -= 360; + while (angle < -180) + angle += 360; + buffer[ix++] = (byte)((angle / 360.0f) * 256.0f); + } + + public static float ReceiveAngle8(byte[] data, ref byte ix) { float value = (data[ix++] * 180) / 128.0F; return value; } - public static float ReceiveFloat16(byte[] data, ref uint ix) { + public static void SendFloat16(byte[] data, ref byte ix, float16 f) { + ushort binary = f.GetBinary(); + data[ix++] = (byte)(binary >> 8); + data[ix++] = (byte)(binary & 255); + } + + public static float ReceiveFloat16(byte[] data, ref byte ix) { ushort value = (ushort)(data[ix++] << 8 | data[ix++]); float16 f16 = new(); f16.SetBinary(value); float f = f16.toFloat(); return f; } - - } diff --git a/Messages.cs b/Messages.cs index d1c3514..c49ac02 100644 --- a/Messages.cs +++ b/Messages.cs @@ -1,410 +1,541 @@ -using System.Collections.Generic; -using System.Collections.Concurrent; using System.IO; -using System.Net.Sockets; using System.Threading.Tasks; -namespace Passer.Control -{ - public partial class Client - { - //public ConnectionMethod connection; - public UdpClient udpClient; - public string ipAddress; - public int port; - - public byte networkId; - - public readonly ConcurrentQueue messageQueue = new(); - - public static Client GetClient(string ipAddress, int port) - { - foreach (Client c in clients) - { - if (c.ipAddress == ipAddress && c.port == port) - return c; - } - return null; - } - static public List clients = new List(); - - public static Client NewClient() - { - Client client = new(); - clients.Add(client); - client.networkId = 0; - - return client; - } - - public static Client NewUDPClient(UdpClient udpClient, string ipAddress, int port) - { - Client client = NewClient(); - client.ipAddress = null; - client.port = port; - client.udpClient = udpClient; - return client; - } - } - - public class IMessage - { - public IMessage() { } - public IMessage(byte[] data) - { - Deserialize(data); - } - - public virtual byte[] Serialize() { return null; } - public virtual void Deserialize(byte[] data) { } - - public static bool SendMsg(Client client, IMessage msg) - { - return SendMsg(client, msg.Serialize()); - } - public static bool SendMsg(Client client, byte[] data) - { - if (client == null || client.ipAddress == null) - return false; - - client.udpClient.Send(data, data.Length, client.ipAddress, client.port); - return true; - } - public static async Task Receive(Stream dataStream, byte packetSize) - { - byte[] buffer = new byte[packetSize - 1]; // without msgId - int byteCount = dataStream.Read(buffer, 0, packetSize - 1); - while (byteCount < packetSize - 1) - { - // not all bytes have been read, wait and try again - await Task.Delay(1); - byteCount += dataStream.Read(buffer, byteCount, packetSize - 1 - byteCount); - } - return buffer; - } - } - - #region Client - - public class ClientMsg : IMessage - { - public const byte Id = 0xA0; - public const byte length = 2; - public byte clientId; - - public ClientMsg(byte[] data) : base(data) { } - public override void Deserialize(byte[] data) - { - base.Deserialize(data); - uint ix = 0; - clientId = data[ix++]; - } - - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - if (packetSize != length) - return false; - - byte[] buffer = await Receive(dataStream, packetSize); - ClientMsg msg = new(buffer); - - if (client.networkId == 0) - { - client.networkId = (byte)(Client.clients.Count); - NetworkIdMsg.Send(client); - //if (string.IsNullOrEmpty(sceneUrl) == false) - //SendModelUrl(client, sceneUrl); - } - else if (msg.clientId == 0) - { - NetworkIdMsg.Send(client); - //if (string.IsNullOrEmpty(sceneUrl) == false) - //SendModelUrl(client, sceneUrl); - } - - return true; - } - } - - #endregion Client - - #region Network Id - - public class NetworkIdMsg : IMessage - { - public const byte Id = 0xA1; - public const byte length = 2; - - public static bool Send(Client client) - { - byte[] data = new byte[NetworkIdMsg.length]; - data[0] = NetworkIdMsg.Id; - data[1] = client.networkId; - return SendMsg(client, data); - } - } - - #endregion Network Id - - #region Thing - - public class ThingMsg : IMessage - { - public const byte length = 4; - public const byte Id = 0x80; - public byte thingId; - public byte thingType; - public byte parentId; - - public ThingMsg(byte[] data) : base(data) { } - public override void Deserialize(byte[] data) - { - uint ix = 0; - thingId = data[ix++]; - thingType = data[ix++]; - parentId = data[ix]; - } - - public static bool Send(Client client, byte networkId, byte thingId, byte thingType) - { - byte[] data = new byte[4]; - data[0] = ThingMsg.Id; - data[1] = networkId; - data[2] = thingId; - data[3] = thingType; - data[4] = 0x00; // parent not supported yet - return SendMsg(client, data); - } - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - if (packetSize != length) - return false; - - byte[] buffer = await Receive(dataStream, packetSize); - ThingMsg msg = new(buffer); - - client.messageQueue.Enqueue(msg); - return true; - } - } - - #endregion Thing - - #region Name - - public class NameMsg : IMessage - { - public byte networkId = 0; - public byte objectId; - public byte len; - public string name; - - public NameMsg(byte[] data) : base(data) { } - public override void Deserialize(byte[] data) - { - uint ix = 0; - this.objectId = data[ix++]; - int strlen = data[ix++]; - this.name = System.Text.Encoding.UTF8.GetString(data, (int)ix, strlen); - } - - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - byte[] buffer = await Receive(dataStream, packetSize); - NameMsg msg = new(buffer); - - client.messageQueue.Enqueue(msg); - return true; - } - } - - #endregion - - #region Model URL - - public class ModelUrlMsg : IMessage - { - public const byte Id = 0x90; // (144) Model URL - public byte objectId; - public Spherical position; - public float scale; - public string url; - - public ModelUrlMsg(string url, float scale = 1) - { - this.url = url; - this.scale = scale; - this.position = Spherical.zero; - } - public ModelUrlMsg(byte[] data) : base(data) { } - - public override byte[] Serialize() - { - byte[] data = new byte[this.url.Length + 9]; - data[0] = ModelUrlMsg.Id; - data[1] = 0x00; // Thing Id - // data[2]..[5] == position 0, 0, 0 - data[6] = 0x3C; // Dummy float16 value 1 - data[7] = 0x00; - - data[8] = (byte)url.Length; - for (int ix = 0; ix < this.url.Length; ix++) - data[9 + ix] = (byte)url[ix]; - return data; - } - public override void Deserialize(byte[] data) - { - uint ix = 0; - this.objectId = data[ix++]; - this.position = LowLevelMessages.ReceiveSpherical(data, ref ix); - this.scale = LowLevelMessages.ReceiveFloat16(data, ref ix); - int strlen = data[ix++]; - url = System.Text.Encoding.UTF8.GetString(data, (int)ix, strlen); - } - - public static bool Send(Client client, string modelUrl) - { - ModelUrlMsg msg = new(modelUrl); - return SendMsg(client, msg); - } - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - byte[] buffer = await Receive(dataStream, packetSize); - ModelUrlMsg msg = new(buffer); - client.messageQueue.Enqueue(msg); - return true; - } - } - - #endregion Model URL - - #region Pose - - public class PoseMsg : IMessage - { - public const byte Id = 0x10; - public const byte length = 3 + 4 + 4; - public byte thingId; - public byte poseType; - - public Spherical position; - public Quat32 orientation; - - public PoseMsg(byte[] data) : base(data) { } - - public override void Deserialize(byte[] data) - { - uint ix = 0; - thingId = data[ix++]; - poseType = data[ix++]; - - //if ((poseType & Pose_Position) != 0) - position = LowLevelMessages.ReceiveSpherical(data, ref ix); - //if ((poseType & Pose_Orientation) != 0) { - orientation = LowLevelMessages.ReceiveQuat32(data, ref ix); - } - - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - if (packetSize != length) - return false; - - byte[] buffer = await Receive(dataStream, packetSize); - PoseMsg msg = new(buffer); - - client.messageQueue.Enqueue(msg); - return true; - - } - } - - #endregion Pose - - #region Bytes - - public class BytesMsg : IMessage - { - public const byte Id = 0xB1; - public byte networkId; - public byte thingId; - public byte[] bytes; - - public BytesMsg(byte[] data) : base(data) { } - public BytesMsg(byte networkId, byte thingId, byte[] bytes) : base() - { - this.networkId = networkId; - this.thingId = thingId; - this.bytes = bytes; - } - public override byte[] Serialize() - { - byte[] buffer = new byte[4 + this.bytes.Length]; - int ix = 0; - buffer[ix++] = BytesMsg.Id; - buffer[ix++] = this.networkId; - buffer[ix++] = this.thingId; - buffer[ix++] = (byte)bytes.Length; - foreach (byte b in bytes) - buffer[ix++] = b; - - return buffer; - } - public override void Deserialize(byte[] data) - { - //this.bytes = data; - uint ix = 0; - this.thingId = data[ix++]; - this.bytes = new byte[data.Length - ix]; - for (uint bytesIx = 0; ix < data.Length; ix++, bytesIx++) - this.bytes[bytesIx] = data[ix]; - } - - - public static void Send(Client client, byte thingId, byte[] bytes) - { - BytesMsg msg = new(client.networkId, thingId, bytes); - SendMsg(client, msg); - } - - // received bytes - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - byte[] buffer = await Receive(dataStream, packetSize); - BytesMsg msg = new(buffer); - client.messageQueue.Enqueue(msg); - return true; - } - } - - #endregion Bytes - - #region Destroy - - public class DestroyMsg : IMessage - { - public const byte length = 2; - public byte objectId; - - public DestroyMsg(byte[] data) : base(data) { } - - public override void Deserialize(byte[] data) - { - objectId = data[0]; - } - - public static async Task Receive(Stream dataStream, Client client, byte packetSize) - { - if (packetSize != length) - return false; - - byte[] buffer = await Receive(dataStream, packetSize); - DestroyMsg msg = new(buffer); - - client.messageQueue.Enqueue(msg); - return true; - } - } - - - #endregion Destroy +namespace Passer.Control { + + public class IMessage { + public IMessage() { } + public IMessage(byte[] buffer) { + Deserialize(buffer); + } + + public virtual byte[] Serialize() { return null; } + public virtual void Deserialize(byte[] buffer) { } + + public static bool SendMsg(Client client, IMessage msg) { + return SendMsg(client, msg.Serialize()); + } + public static bool SendMsg(Client client, byte[] buffer) { + if (client == null || client.ipAddress == null) + return false; + + //UnityEngine.Debug.Log($"Send msg {buffer[0]} to {client.ipAddress}"); + client.udpClient.Send(buffer, buffer.Length, client.ipAddress, client.port); + return true; + } + + public static bool PublishMsg(Client client, IMessage msg) { + return PublishMsg(client, msg.Serialize()); + } + public static bool PublishMsg(Client client, byte[] buffer) { + if (client == null) + return false; + + client.udpClient.Send(buffer, buffer.Length, "127.0.0.1", client.port); + return true; + } + + public static async Task Receive(Stream dataStream, byte packetSize) { + byte[] buffer = new byte[packetSize - 1]; // without msgId + int byteCount = dataStream.Read(buffer, 0, packetSize - 1); + while (byteCount < packetSize - 1) { + // not all bytes have been read, wait and try again + await Task.Delay(1); + byteCount += dataStream.Read(buffer, byteCount, packetSize - 1 - byteCount); + } + return buffer; + } + } + + #region Client + + public class ClientMsg : IMessage { + public const byte Id = 0xA0; + public const byte length = 2; + public byte networkId; + + public ClientMsg(byte networkId) { + this.networkId = networkId; + } + public ClientMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[ClientMsg.length]; + buffer[0] = ClientMsg.Id; + buffer[1] = networkId; + return buffer; + } + public override void Deserialize(byte[] buffer) { + base.Deserialize(buffer); + uint ix = 0; + networkId = buffer[ix]; + } + + public static bool Send(Client client, byte networkId) { + ClientMsg msg = new(networkId); + return SendMsg(client, msg); + } + public static bool Publish(Client client, byte networkId) { + ClientMsg msg = new(networkId); + return PublishMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + ClientMsg msg = new(buffer); + + if (client.networkId == 0) { + client.networkId = (byte)(Client.clients.Count); + NetworkIdMsg.Send(client, client.networkId); + client.messageQueue.Enqueue(msg); + } + else if (msg.networkId == 0) { + NetworkIdMsg.Send(client, client.networkId); + client.messageQueue.Enqueue(msg); + } + + return true; + } + } + + #endregion Client + + #region Network Id + + public class NetworkIdMsg : IMessage { + public const byte Id = 0xA1; + public const byte length = 2; + public byte networkId; + + NetworkIdMsg(byte networkId) { + this.networkId = networkId; + } + NetworkIdMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[NetworkIdMsg.length]; + buffer[0] = NetworkIdMsg.Id; + buffer[1] = this.networkId; + return buffer; + } + public override void Deserialize(byte[] buffer) { + uint ix = 0; + this.networkId = buffer[ix]; + } + + public static bool Send(Client client, byte networkId) { + NetworkIdMsg msg = new(networkId); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + NetworkIdMsg msg = new(buffer); + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion Network Id + + #region Investigate + + public class InvestigateMsg : IMessage { + public const byte Id = 0x81; + public const byte length = 3; + public byte networkId; + public byte thingId; + + public InvestigateMsg(byte networkId, byte thingId) { + this.networkId = networkId; + this.thingId = thingId; + } + public InvestigateMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[InvestigateMsg.length]; + buffer[0] = InvestigateMsg.Id; + buffer[1] = this.networkId; + buffer[2] = this.thingId; + return buffer; + } + public override void Deserialize(byte[] buffer) { + uint ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + } + + public static bool Send(Client client, byte networkId, byte thingId) { + InvestigateMsg msg = new(networkId, thingId); + //UnityEngine.Debug.Log($"Send investigate [{msg.networkId}/{msg.thingId}]"); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + InvestigateMsg msg = new(buffer); + //UnityEngine.Debug.Log($"Receive investigate [{msg.networkId}/{msg.thingId}]"); + + client.messageQueue.Enqueue(msg); + return true; + + } + } + + #endregion Investigate + + #region Thing + + public class ThingMsg : IMessage { + public const byte length = 5; + public const byte Id = 0x80; + public byte networkId; + public byte thingId; + public byte thingType; + public byte parentId; + + public ThingMsg(byte networkId, byte thingId, byte thingType, byte parentId) { + this.networkId = networkId; + this.thingId = thingId; + this.thingType = thingType; + this.parentId = parentId; + } + public ThingMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[ThingMsg.length]; + byte ix = 0; + buffer[ix++] = ThingMsg.Id; + buffer[ix++] = this.networkId; + buffer[ix++] = this.thingId; + buffer[ix++] = this.thingType; + buffer[ix] = this.parentId; + return buffer; + } + public override void Deserialize(byte[] buffer) { + uint ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + this.thingType = buffer[ix++]; + this.parentId = buffer[ix]; + } + + public static bool Send(Client client, byte networkId, byte thingId, byte thingType, byte parentId) { + ThingMsg msg = new(networkId, thingId, thingType, parentId); + //UnityEngine.Debug.Log($"Send thing [{msg.networkId}/{msg.thingId}]"); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + ThingMsg msg = new(buffer); + //UnityEngine.Debug.Log($"Receive thing [{msg.networkId}/{msg.thingId}]"); + + // Do no process poses with nwid == 0 (== local) + //if (msg.networkId == 0) + // return true; + + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion Thing + + #region Name + + public class NameMsg : IMessage { + public const byte Id = 0x91; // 145 + public const byte length = 4; + public byte networkId; + public byte thingId; + public byte len; + public string name; + + public NameMsg(byte networkId, byte thingId, string name) { + this.networkId = networkId; + this.thingId = thingId; + this.name = name; + } + public NameMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[length + this.name.Length]; + byte ix = 0; + buffer[ix++] = NameMsg.Id; + buffer[ix++] = this.networkId; + buffer[ix++] = this.thingId; + buffer[ix++] = (byte)this.name.Length; + for (int nameIx = 0; nameIx < this.name.Length; nameIx++, ix++) + buffer[ix] = (byte)this.name[nameIx]; + return buffer; + } + public override void Deserialize(byte[] buffer) { + byte ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + int strlen = buffer[ix++]; + this.name = System.Text.Encoding.UTF8.GetString(buffer, (int)ix, strlen); + } + + public static bool Send(Client client, byte networkId, byte thingId, string name) { + NameMsg msg = new(networkId, thingId, name); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + byte[] buffer = await Receive(dataStream, packetSize); + NameMsg msg = new(buffer); + + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion + + #region Model URL + + public class ModelUrlMsg : IMessage { + public const byte Id = 0x90; // (144) Model URL + public byte networkId; + public byte thingId; + public Spherical position; + public float scale; + public string url; + + public ModelUrlMsg(byte networkId, byte thingId, string url, float scale = 1) { + this.networkId = networkId; + this.thingId = thingId; + this.url = url; + this.scale = scale; + this.position = Spherical.zero; + } + public ModelUrlMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[this.url.Length + 6]; + byte ix = 0; + buffer[ix++] = ModelUrlMsg.Id; + buffer[ix++] = this.networkId; + buffer[ix++] = this.thingId; // Thing Id + LowLevelMessages.SendFloat16(buffer, ref ix, new float16(1.0f)); + + buffer[ix++] = (byte)url.Length; + for (int urlIx = 0; urlIx < this.url.Length; urlIx++, ix++) + buffer[ix] = (byte)url[urlIx]; + return buffer; + } + public override void Deserialize(byte[] buffer) { + byte ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + this.scale = LowLevelMessages.ReceiveFloat16(buffer, ref ix); + int strlen = buffer[ix++]; + url = System.Text.Encoding.UTF8.GetString(buffer, (int)ix, strlen); + } + + public static bool Send(Client client, byte networkId, byte thingId, string modelUrl) { + ModelUrlMsg msg = new(networkId, thingId, modelUrl); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + byte[] buffer = await Receive(dataStream, packetSize); + ModelUrlMsg msg = new(buffer); + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion Model URL + + #region Pose + + public class PoseMsg : IMessage { + public const byte Id = 0x10; + public const byte length = 4 + 4 + 4; + public byte networkId; + public byte thingId; + + public byte poseType; + public const byte Pose_Position = 0x01; + public const byte Pose_Orientation = 0x02; + + public Spherical position; + public Quat32 orientation; + + public PoseMsg(byte networkId, byte thingId, Spherical position, Quat32 orientation) { + this.networkId = networkId; + this.thingId = thingId; + this.position = position; + this.orientation = orientation; + this.poseType = 0; + if (this.position != null) + this.poseType |= Pose_Position; + else + this.position = new Spherical(0, 0, 0); + if (this.orientation != null) + this.poseType |= Pose_Orientation; + else + this.orientation = new Quat32(0, 0, 0, 1); + } + public PoseMsg(byte[] buffer) : base(buffer) { } + + public override byte[] Serialize() { + byte[] buffer = new byte[PoseMsg.length]; + byte ix = 0; + buffer[ix++] = PoseMsg.Id; + buffer[ix++] = this.networkId; + buffer[ix++] = this.thingId; + buffer[ix++] = this.poseType; + + LowLevelMessages.SendSpherical(buffer, ref ix, this.position); + LowLevelMessages.SendQuat32(buffer, ref ix, this.orientation); + return buffer; + } + public override void Deserialize(byte[] buffer) { + byte ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + this.poseType = buffer[ix++]; + + //if ((poseType & Pose_Position) != 0) + this.position = LowLevelMessages.ReceiveSpherical(buffer, ref ix); + //if ((poseType & Pose_Orientation) != 0) { + this.orientation = LowLevelMessages.ReceiveQuat32(buffer, ref ix); + } + + public static bool Send(Client client, byte thingId, Spherical position, Quat32 orientation) { + PoseMsg msg = new(client.networkId, thingId, position, orientation); + return SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + PoseMsg msg = new(buffer); + + // Do no process poses with nwid == 0 (== local) + if (msg.networkId == 0) + return true; + + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion Pose + + #region Custom + + public class CustomMsg : IMessage { + public const byte Id = 0xB1; + public byte networkId; + public byte thingId; + public byte[] bytes; + + public CustomMsg(byte[] buffer) : base(buffer) { } + public CustomMsg(byte networkId, byte thingId, byte[] bytes) : base() { + this.networkId = networkId; + this.thingId = thingId; + this.bytes = bytes; + } + + public override byte[] Serialize() { + byte[] buffer = new byte[3 + this.bytes.Length]; + byte ix = 0; + buffer[ix++] = CustomMsg.Id; + buffer[ix++] = this.networkId; + buffer[ix++] = this.thingId; + //buffer[ix++] = (byte)bytes.Length; + foreach (byte b in bytes) + buffer[ix++] = b; + + return buffer; + } + public override void Deserialize(byte[] buffer) { + byte ix = 0; + this.networkId = buffer[ix++]; + this.thingId = buffer[ix++]; + byte length = (byte)(buffer.Length - ix);//buffer[ix++]; + this.bytes = new byte[length]; + for (uint bytesIx = 0; bytesIx < length; bytesIx++) + this.bytes[bytesIx] = buffer[ix++]; + } + + public static void Send(Client client, byte thingId, byte[] bytes) { + CustomMsg msg = new(client.networkId, thingId, bytes); + SendMsg(client, msg); + } + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + byte[] buffer = await Receive(dataStream, packetSize); + CustomMsg msg = new(buffer); + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion Custom + + #region Text + + public class TextMsg : IMessage { + public const byte Id = 0xB0; + public string text; + + public TextMsg(byte[] buffer) : base(buffer) { } + public override void Deserialize(byte[] buffer) { + uint ix = 0; + uint strlen = buffer[ix++]; + this.text = System.Text.Encoding.UTF8.GetString(buffer, (int)ix, (int)strlen); + } + + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + byte[] buffer = await Receive(dataStream, packetSize); + TextMsg msg = new(buffer); + + client.messageQueue.Enqueue(msg); + return true; + } + } + + #endregion + + #region Destroy + + public class DestroyMsg : IMessage { + public const byte Id = 0x20; + public const byte length = 2; + public byte networkId; + public byte thingId; + + public DestroyMsg(byte[] buffer) : base(buffer) { } + + public override void Deserialize(byte[] buffer) { + this.networkId = buffer[0]; + this.thingId = buffer[1]; + } + + public static async Task Receive(Stream dataStream, Client client, byte packetSize) { + if (packetSize != length) + return false; + + byte[] buffer = await Receive(dataStream, packetSize); + DestroyMsg msg = new(buffer); + + client.messageQueue.Enqueue(msg); + return true; + } + } + + + #endregion Destroy } diff --git a/SiteServer.cs b/SiteServer.cs new file mode 100644 index 0000000..57460f3 --- /dev/null +++ b/SiteServer.cs @@ -0,0 +1,66 @@ +using System.IO; +using System.Threading.Tasks; + +namespace Passer.Control { + + public static class SiteServer { + + public static async Task ReceiveData(Stream dataStream, Client client) { + while (true) { + byte packetSize = (byte)dataStream.ReadByte(); + if (packetSize != 0xFF) + await ReceiveData(dataStream, client, packetSize); + // else timeout + } + } + + public static async Task ReceiveData(Stream dataStream, Client client, byte packetSize) { + byte msgId = (byte)dataStream.ReadByte(); + if (msgId == 0xFF) { + // Timeout + return; + } + + //UnityEngine.Debug.Log($"R {msgId} from {client.ipAddress}"); + bool result = false; + switch (msgId) { + case ClientMsg.Id: // 0xA0 / 160 + result = await ClientMsg.Receive(dataStream, client, packetSize); + break; + case NetworkIdMsg.Id: // 0xA1 / 161 + result = await NetworkIdMsg.Receive(dataStream, client, packetSize); + break; + case InvestigateMsg.Id: // 0x81 + result = await InvestigateMsg.Receive(dataStream, client, packetSize); + break; + case ThingMsg.Id: // 0x80 / 128 + result = await ThingMsg.Receive(dataStream, client, packetSize); + break; + case NameMsg.Id: // 0x91 / 145 + result = await NameMsg.Receive(dataStream, client, packetSize); + break; + case ModelUrlMsg.Id: // 0x90 / 144 + result = await ModelUrlMsg.Receive(dataStream, client, packetSize); + break; + case PoseMsg.Id: // 0x10 / 16 + result = await PoseMsg.Receive(dataStream, client, packetSize); + break; + case CustomMsg.Id: // 0xB1 / 177 + result = await CustomMsg.Receive(dataStream, client, packetSize); + break; + case TextMsg.Id: // 0xB0 / 176 + result = await TextMsg.Receive(dataStream, client, packetSize); + break; + case DestroyMsg.Id: // 0x20 / 32 + result = await DestroyMsg.Receive(dataStream, client, packetSize); + break; + default: + break; + } + if (result == false) { + packetSize = msgId; // skip 1 byte, msgId is possibly a packet size byte + await ReceiveData(dataStream, client, packetSize); + } + } + } +} \ No newline at end of file diff --git a/SiteServer.cs.meta b/SiteServer.cs.meta new file mode 100644 index 0000000..02fd171 --- /dev/null +++ b/SiteServer.cs.meta @@ -0,0 +1,2 @@ +fileFormatVersion: 2 +guid: 53345abb9310d344baa67c19a8d8249f \ No newline at end of file