/
Raw.cs
142 lines (128 loc) · 4.74 KB
/
Raw.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Newtonsoft.Json;
using SignalR.Hosting;
namespace SignalR.Samples.Raw
{
public class Raw : PersistentConnection
{
private static readonly Dictionary<string, string> _users = new Dictionary<string, string>();
private static readonly Dictionary<string, string> _clients = new Dictionary<string, string>();
protected override Task OnConnectedAsync(IRequest request, string connectionId)
{
var userNameCookie = request.Cookies["user"];
if (userNameCookie != null)
{
_clients[connectionId] = userNameCookie.Value;
_users[userNameCookie.Value] = connectionId;
}
string clientIp = request.ServerVariables["REMOTE_ADDR"];
string user = GetUser(connectionId);
return Groups.Add(connectionId, "foo").ContinueWith(_ =>
Connection.Broadcast(DateTime.Now + ": " + user + " joined from " + clientIp)).Unwrap();
}
protected override Task OnReconnectedAsync(IRequest request, IEnumerable<string> groups, string connectionId)
{
string user = GetUser(connectionId);
return Connection.Broadcast(DateTime.Now + ": " + user + " reconnected");
}
protected override Task OnDisconnectAsync(string connectionId)
{
_users.Remove(connectionId);
return Connection.Broadcast(DateTime.Now + ": " + GetUser(connectionId) + " disconnected");
}
protected override Task OnReceivedAsync(IRequest request, string connectionId, string data)
{
var message = JsonConvert.DeserializeObject<Message>(data);
switch (message.Type)
{
case MessageType.Broadcast:
Connection.Broadcast(new
{
type = MessageType.Broadcast,
from = GetUser(connectionId),
data = message.Value
});
break;
case MessageType.Send:
Connection.Send(connectionId, new
{
type = MessageType.Send,
from = GetUser(connectionId),
data = message.Value
});
break;
case MessageType.Join:
string name = message.Value;
_clients[connectionId] = name;
_users[name] = connectionId;
Connection.Send(connectionId, new
{
type = MessageType.Join,
data = message.Value
});
break;
case MessageType.PrivateMessage:
var parts = message.Value.Split('|');
string user = parts[0];
string msg = parts[1];
string id = GetClient(user);
Connection.Send(id, new
{
from = GetUser(connectionId),
data = msg
});
break;
case MessageType.AddToGroup:
Groups.Add(connectionId, message.Value);
break;
case MessageType.RemoveFromGroup:
Groups.Remove(connectionId, message.Value);
break;
case MessageType.SendToGroup:
var parts2 = message.Value.Split('|');
string groupName = parts2[0];
string val = parts2[1];
Groups.Send(groupName, val);
break;
default:
break;
}
return base.OnReceivedAsync(request, connectionId, data);
}
private string GetUser(string connectionId)
{
string user;
if (!_clients.TryGetValue(connectionId, out user))
{
return connectionId;
}
return user;
}
private string GetClient(string user)
{
string connectionId;
if (_users.TryGetValue(user, out connectionId))
{
return connectionId;
}
return null;
}
enum MessageType
{
Send,
Broadcast,
Join,
PrivateMessage,
AddToGroup,
RemoveFromGroup,
SendToGroup
}
class Message
{
public MessageType Type { get; set; }
public string Value { get; set; }
}
}
}