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user enter, leave

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This commit is contained in:
syneffort
2023-03-03 09:44:36 +09:00
parent c4451759f7
commit a754ba2956
7 changed files with 233 additions and 6 deletions
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42
Chat/Core/PServer.cs
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@@ -13,7 +13,8 @@ namespace Core
{
private Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
private ConcurrentDictionary<string, Room> Rooms { get; } = new ConcurrentDictionary<string, Room>();
public ConcurrentDictionary<string, Room> Rooms { get; } = new ConcurrentDictionary<string, Room>();
public ConcurrentDictionary<string, Socket> Clients { get; } = new ConcurrentDictionary<string, Socket>();
public PServer(string ip, int port, int backlog)
{
@@ -74,6 +75,8 @@ namespace Core
if (packetType == PacketType.LoginRequest)
{
LoginRequestPacket requestPacket = new LoginRequestPacket(dataBuffer);
Clients.TryAdd(requestPacket.Id, clientSocket);
Console.WriteLine($"[{DateTime.Now}] LoginRequest - Id: {requestPacket.Id}, Nickname: {requestPacket.NickName}");
id = requestPacket.Id;
@@ -119,6 +122,24 @@ namespace Core
EnterRoomResponsePacket responsePacket = new EnterRoomResponsePacket(StatusCode.Success);
await clientSocket.SendAsync(responsePacket.Serialize(), SocketFlags.None);
await Task.Delay(100);
foreach (var user in room.Users)
{
if (user.Value == nickname)
continue;
// add me to other user
if (Clients.TryGetValue(user.Key, out var otherClient))
{
UserEnterPacket enterPacket = new UserEnterPacket(nickname);
await otherClient.SendAsync(enterPacket.Serialize(), SocketFlags.None);
}
// add other user to me
UserEnterPacket packet = new UserEnterPacket(user.Value);
await clientSocket.SendAsync(packet.Serialize(), SocketFlags.None);
}
}
else
{
@@ -129,6 +150,25 @@ namespace Core
}
}
else if (packetType == PacketType.UserLeave)
{
UserLeavePacket packet = new UserLeavePacket(dataBuffer);
if (Rooms.TryGetValue(roomName, out var room))
{
room.Users.TryRemove(id, out _);
if (room.Users.IsEmpty)
Rooms.TryRemove(roomName, out _);
roomName = "";
foreach (var user in room.Users)
{
if (Clients.TryGetValue(user.Key, out var otherClient))
await otherClient.SendAsync(packet.Serialize(), SocketFlags.None);
}
}
}
}
}
}

58
Chat/Core/UserEnterPacket.cs Normal file
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@@ -0,0 +1,58 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
namespace Core
{
public class UserEnterPacket : IPacket
{
public string Nickname { get; private set; }
public UserEnterPacket(string nickname)
{
Nickname = nickname;
}
public UserEnterPacket(byte[] buffer)
{
int cursor = 2;
short nicknameSize = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(buffer, cursor));
cursor += sizeof(short);
Nickname = Encoding.UTF8.GetString(buffer, cursor, nicknameSize);
}
public byte[] Serialize()
{
// 2bytes header
// data: 2bytes packetType + 2bytes id size + id + 2bytes nickname size + nickname
byte[] packetType = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short)PacketType.UserEnter));
byte[] roomName = Encoding.UTF8.GetBytes(Nickname);
byte[] roomNameSize = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short)roomName.Length));
short dataSize = (short)(packetType.Length + roomName.Length + roomNameSize.Length);
byte[] header = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(dataSize));
byte[] buffer = new byte[2 + dataSize];
int cursor = 0;
Array.Copy(header, 0, buffer, cursor, header.Length);
cursor += header.Length;
Array.Copy(packetType, 0, buffer, cursor, packetType.Length);
cursor += packetType.Length;
Array.Copy(roomNameSize, 0, buffer, cursor, roomNameSize.Length);
cursor += roomNameSize.Length;
Array.Copy(roomName, 0, buffer, cursor, roomName.Length);
return buffer;
}
}
}

58
Chat/Core/UserLeavePacket.cs Normal file
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@@ -0,0 +1,58 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
namespace Core
{
public class UserLeavePacket : IPacket
{
public string Nickname { get; private set; }
public UserLeavePacket(string nickname)
{
Nickname = nickname;
}
public UserLeavePacket(byte[] buffer)
{
int cursor = 2;
short nicknameSize = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(buffer, cursor));
cursor += sizeof(short);
Nickname = Encoding.UTF8.GetString(buffer, cursor, nicknameSize);
}
public byte[] Serialize()
{
// 2bytes header
// data: 2bytes packetType + 2bytes id size + id + 2bytes nickname size + nickname
byte[] packetType = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short)PacketType.UserLeave));
byte[] roomName = Encoding.UTF8.GetBytes(Nickname);
byte[] roomNameSize = BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short)roomName.Length));
short dataSize = (short)(packetType.Length + roomName.Length + roomNameSize.Length);
byte[] header = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(dataSize));
byte[] buffer = new byte[2 + dataSize];
int cursor = 0;
Array.Copy(header, 0, buffer, cursor, header.Length);
cursor += header.Length;
Array.Copy(packetType, 0, buffer, cursor, packetType.Length);
cursor += packetType.Length;
Array.Copy(roomNameSize, 0, buffer, cursor, roomNameSize.Length);
cursor += roomNameSize.Length;
Array.Copy(roomName, 0, buffer, cursor, roomName.Length);
return buffer;
}
}
}