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Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/ClientStack/ClientView.cs | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/OpenSim/Region/ClientStack/ClientView.cs b/OpenSim/Region/ClientStack/ClientView.cs new file mode 100644 index 0000000..0fe3884 --- /dev/null +++ b/OpenSim/Region/ClientStack/ClientView.cs | |||
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1 | /* | ||
2 | * Copyright (c) Contributors, http://www.openmetaverse.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | * | ||
27 | */ | ||
28 | using System; | ||
29 | using System.Collections.Generic; | ||
30 | using System.Net; | ||
31 | using System.Text; | ||
32 | using System.Threading; | ||
33 | using System.Timers; | ||
34 | using libsecondlife; | ||
35 | using libsecondlife.Packets; | ||
36 | using OpenSim.Assets; | ||
37 | using OpenSim.Framework; | ||
38 | using OpenSim.Framework.Console; | ||
39 | using OpenSim.Framework.Interfaces; | ||
40 | using OpenSim.Framework.Inventory; | ||
41 | using OpenSim.Framework.Types; | ||
42 | using OpenSim.Framework.Utilities; | ||
43 | using OpenSim.Region.Caches; | ||
44 | using Timer=System.Timers.Timer; | ||
45 | |||
46 | namespace OpenSim.Region.ClientStack | ||
47 | { | ||
48 | public delegate bool PacketMethod(ClientView simClient, Packet packet); | ||
49 | |||
50 | /// <summary> | ||
51 | /// Handles new client connections | ||
52 | /// Constructor takes a single Packet and authenticates everything | ||
53 | /// </summary> | ||
54 | public partial class ClientView : ClientViewBase, IClientAPI | ||
55 | { | ||
56 | public static TerrainManager TerrainManager; | ||
57 | |||
58 | protected static Dictionary<PacketType, PacketMethod> PacketHandlers = new Dictionary<PacketType, PacketMethod>(); //Global/static handlers for all clients | ||
59 | protected Dictionary<PacketType, PacketMethod> m_packetHandlers = new Dictionary<PacketType, PacketMethod>(); //local handlers for this instance | ||
60 | |||
61 | public LLUUID AgentID; | ||
62 | public LLUUID SessionID; | ||
63 | public LLUUID SecureSessionID = LLUUID.Zero; | ||
64 | public string firstName; | ||
65 | public string lastName; | ||
66 | public bool m_child = false; | ||
67 | private UseCircuitCodePacket cirpack; | ||
68 | public Thread ClientThread; | ||
69 | public LLVector3 startpos; | ||
70 | |||
71 | private AgentAssetUpload UploadAssets; | ||
72 | private LLUUID newAssetFolder = LLUUID.Zero; | ||
73 | private bool debug = false; | ||
74 | protected IWorld m_world; | ||
75 | private Dictionary<uint, ClientView> m_clientThreads; | ||
76 | private AssetCache m_assetCache; | ||
77 | private InventoryCache m_inventoryCache; | ||
78 | private int cachedtextureserial = 0; | ||
79 | protected AuthenticateSessionsBase m_authenticateSessionsHandler; | ||
80 | private Encoding enc = Encoding.ASCII; | ||
81 | // Dead client detection vars | ||
82 | private Timer clientPingTimer; | ||
83 | private int packetsReceived = 0; | ||
84 | private int probesWithNoIngressPackets = 0; | ||
85 | private int lastPacketsReceived = 0; | ||
86 | |||
87 | public ClientView(EndPoint remoteEP, UseCircuitCodePacket initialcirpack, Dictionary<uint, ClientView> clientThreads, IWorld world, AssetCache assetCache, PacketServer packServer, InventoryCache inventoryCache, AuthenticateSessionsBase authenSessions ) | ||
88 | { | ||
89 | m_world = world; | ||
90 | m_clientThreads = clientThreads; | ||
91 | m_assetCache = assetCache; | ||
92 | |||
93 | m_networkServer = packServer; | ||
94 | m_inventoryCache = inventoryCache; | ||
95 | m_authenticateSessionsHandler = authenSessions; | ||
96 | |||
97 | MainLog.Instance.Verbose( "OpenSimClient.cs - Started up new client thread to handle incoming request"); | ||
98 | cirpack = initialcirpack; | ||
99 | userEP = remoteEP; | ||
100 | |||
101 | this.startpos = m_authenticateSessionsHandler.GetPosition(initialcirpack.CircuitCode.Code); | ||
102 | |||
103 | PacketQueue = new BlockingQueue<QueItem>(); | ||
104 | |||
105 | this.UploadAssets = new AgentAssetUpload(this, m_assetCache, m_inventoryCache); | ||
106 | AckTimer = new Timer(500); | ||
107 | AckTimer.Elapsed += new ElapsedEventHandler(AckTimer_Elapsed); | ||
108 | AckTimer.Start(); | ||
109 | |||
110 | this.RegisterLocalPacketHandlers(); | ||
111 | |||
112 | ClientThread = new Thread(new ThreadStart(AuthUser)); | ||
113 | ClientThread.IsBackground = true; | ||
114 | ClientThread.Start(); | ||
115 | } | ||
116 | |||
117 | # region Client Methods | ||
118 | |||
119 | public void KillClient() | ||
120 | { | ||
121 | clientPingTimer.Stop(); | ||
122 | this.m_inventoryCache.ClientLeaving(this.AgentID, null); | ||
123 | m_world.RemoveClient(this.AgentId); | ||
124 | |||
125 | m_clientThreads.Remove(this.CircuitCode); | ||
126 | m_networkServer.RemoveClientCircuit(this.CircuitCode); | ||
127 | this.ClientThread.Abort(); | ||
128 | } | ||
129 | #endregion | ||
130 | |||
131 | # region Packet Handling | ||
132 | public static bool AddPacketHandler(PacketType packetType, PacketMethod handler) | ||
133 | { | ||
134 | bool result = false; | ||
135 | lock (PacketHandlers) | ||
136 | { | ||
137 | if (!PacketHandlers.ContainsKey(packetType)) | ||
138 | { | ||
139 | PacketHandlers.Add(packetType, handler); | ||
140 | result = true; | ||
141 | } | ||
142 | } | ||
143 | return result; | ||
144 | } | ||
145 | |||
146 | public bool AddLocalPacketHandler(PacketType packetType, PacketMethod handler) | ||
147 | { | ||
148 | bool result = false; | ||
149 | lock (m_packetHandlers) | ||
150 | { | ||
151 | if (!m_packetHandlers.ContainsKey(packetType)) | ||
152 | { | ||
153 | m_packetHandlers.Add(packetType, handler); | ||
154 | result = true; | ||
155 | } | ||
156 | } | ||
157 | return result; | ||
158 | } | ||
159 | |||
160 | protected virtual bool ProcessPacketMethod(Packet packet) | ||
161 | { | ||
162 | bool result = false; | ||
163 | bool found = false; | ||
164 | PacketMethod method; | ||
165 | if (m_packetHandlers.TryGetValue(packet.Type, out method)) | ||
166 | { | ||
167 | //there is a local handler for this packet type | ||
168 | result = method(this, packet); | ||
169 | } | ||
170 | else | ||
171 | { | ||
172 | //there is not a local handler so see if there is a Global handler | ||
173 | lock (PacketHandlers) | ||
174 | { | ||
175 | found = PacketHandlers.TryGetValue(packet.Type, out method); | ||
176 | } | ||
177 | if (found) | ||
178 | { | ||
179 | result = method(this, packet); | ||
180 | } | ||
181 | } | ||
182 | return result; | ||
183 | } | ||
184 | |||
185 | protected virtual void ClientLoop() | ||
186 | { | ||
187 | MainLog.Instance.Verbose( "OpenSimClient.cs:ClientLoop() - Entered loop"); | ||
188 | while (true) | ||
189 | { | ||
190 | QueItem nextPacket = PacketQueue.Dequeue(); | ||
191 | if (nextPacket.Incoming) | ||
192 | { | ||
193 | //is a incoming packet | ||
194 | if (nextPacket.Packet.Type != PacketType.AgentUpdate) { | ||
195 | packetsReceived++; | ||
196 | } | ||
197 | ProcessInPacket(nextPacket.Packet); | ||
198 | } | ||
199 | else | ||
200 | { | ||
201 | //is a out going packet | ||
202 | ProcessOutPacket(nextPacket.Packet); | ||
203 | } | ||
204 | } | ||
205 | } | ||
206 | # endregion | ||
207 | |||
208 | protected void CheckClientConnectivity(object sender, ElapsedEventArgs e) | ||
209 | { | ||
210 | if (packetsReceived == lastPacketsReceived) { | ||
211 | probesWithNoIngressPackets++; | ||
212 | if (probesWithNoIngressPackets > 30) { | ||
213 | this.KillClient(); | ||
214 | } else { | ||
215 | // this will normally trigger at least one packet (ping response) | ||
216 | SendStartPingCheck(0); | ||
217 | } | ||
218 | } else { | ||
219 | // Something received in the meantime - we can reset the counters | ||
220 | probesWithNoIngressPackets = 0; | ||
221 | lastPacketsReceived = packetsReceived; | ||
222 | } | ||
223 | } | ||
224 | |||
225 | # region Setup | ||
226 | |||
227 | protected virtual void InitNewClient() | ||
228 | { | ||
229 | clientPingTimer = new Timer(1000); | ||
230 | clientPingTimer.Elapsed += new ElapsedEventHandler(CheckClientConnectivity); | ||
231 | clientPingTimer.Enabled = true; | ||
232 | |||
233 | MainLog.Instance.Verbose( "OpenSimClient.cs:InitNewClient() - Adding viewer agent to world"); | ||
234 | this.m_world.AddNewClient(this, false); | ||
235 | } | ||
236 | |||
237 | protected virtual void AuthUser() | ||
238 | { | ||
239 | // AuthenticateResponse sessionInfo = m_gridServer.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code); | ||
240 | AuthenticateResponse sessionInfo = this.m_authenticateSessionsHandler.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code); | ||
241 | if (!sessionInfo.Authorised) | ||
242 | { | ||
243 | //session/circuit not authorised | ||
244 | MainLog.Instance.Notice("OpenSimClient.cs:AuthUser() - New user request denied to " + userEP.ToString()); | ||
245 | ClientThread.Abort(); | ||
246 | } | ||
247 | else | ||
248 | { | ||
249 | MainLog.Instance.Notice("OpenSimClient.cs:AuthUser() - Got authenticated connection from " + userEP.ToString()); | ||
250 | //session is authorised | ||
251 | this.AgentID = cirpack.CircuitCode.ID; | ||
252 | this.SessionID = cirpack.CircuitCode.SessionID; | ||
253 | this.CircuitCode = cirpack.CircuitCode.Code; | ||
254 | this.firstName = sessionInfo.LoginInfo.First; | ||
255 | this.lastName = sessionInfo.LoginInfo.Last; | ||
256 | |||
257 | if (sessionInfo.LoginInfo.SecureSession != LLUUID.Zero) | ||
258 | { | ||
259 | this.SecureSessionID = sessionInfo.LoginInfo.SecureSession; | ||
260 | } | ||
261 | InitNewClient(); | ||
262 | |||
263 | ClientLoop(); | ||
264 | } | ||
265 | } | ||
266 | # endregion | ||
267 | |||
268 | |||
269 | protected override void KillThread() | ||
270 | { | ||
271 | this.ClientThread.Abort(); | ||
272 | } | ||
273 | |||
274 | #region Inventory Creation | ||
275 | private void SetupInventory(AuthenticateResponse sessionInfo) | ||
276 | { | ||
277 | |||
278 | } | ||
279 | private AgentInventory CreateInventory(LLUUID baseFolder) | ||
280 | { | ||
281 | AgentInventory inventory = null; | ||
282 | |||
283 | return inventory; | ||
284 | } | ||
285 | |||
286 | private void CreateInventoryItem(CreateInventoryItemPacket packet) | ||
287 | { | ||
288 | |||
289 | } | ||
290 | #endregion | ||
291 | |||
292 | } | ||
293 | } | ||