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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
#include "pch.h"
#include "masterserver.h"
#include "httplib.h"
#include "rapidjson/document.h"
#include "rapidjson/error/en.h"
#include "concommand.h"
ConVar* Cvar_ns_masterserver_hostname;
ConVar* Cvar_ns_masterserver_port;
MasterServerManager* g_MasterServerManager;
// requires password constructor
RemoteServerInfo::RemoteServerInfo(const char* newId, const char* newName, const char* newDescription, const char* newMap, const char* newPlaylist, int newPlayerCount, int newMaxPlayers)
{
// passworded servers don't have public ips
requiresPassword = true;
memset(&ip, 0, sizeof(ip));
port = 0;
strncpy((char*)id, newId, 31);
id[31] = 0;
strncpy((char*)name, newName, 63);
name[63] = 0;
description = std::string(newDescription);
strncpy((char*)map, newMap, 31);
map[31] = 0;
strncpy((char*)playlist, newPlaylist, 15);
playlist[15] = 0;
playerCount = newPlayerCount;
maxPlayers = newMaxPlayers;
}
// doesnt require password constructor
RemoteServerInfo::RemoteServerInfo(const char* newId, const char* newName, const char* newDescription, const char* newMap, const char* newPlaylist, int newPlayerCount, int newMaxPlayers, in_addr newIp, int newPort)
{
requiresPassword = false;
strncpy((char*)id, newId, 31);
id[31] = 0;
strncpy((char*)name, newName, 63);
name[63] = 0;
description = std::string(newDescription);
strncpy((char*)map, newMap, 31);
map[31] = 0;
strncpy((char*)playlist, newPlaylist, 15);
playlist[15] = 0;
playerCount = newPlayerCount;
maxPlayers = newMaxPlayers;
ip = newIp;
port = newPort;
}
void MasterServerManager::ClearServerList()
{
// this doesn't really do anything lol, probably isn't threadsafe
m_requestingServerList = true;
m_remoteServers.clear();
m_requestingServerList = false;
}
void MasterServerManager::RequestServerList()
{
// do this here so it's instantly set on call for scripts
m_scriptRequestingServerList = true;
std::thread requestThread([this]()
{
// make sure we never have 2 threads writing at once
// i sure do hope this is actually threadsafe
while (m_requestingServerList)
Sleep(100);
m_requestingServerList = true;
m_scriptRequestingServerList = true;
httplib::Client http(Cvar_ns_masterserver_hostname->m_pszString, Cvar_ns_masterserver_port->m_nValue);
http.set_connection_timeout(10);
spdlog::info("Requesting server list from {}", Cvar_ns_masterserver_hostname->m_pszString);
if (auto result = http.Get("/client/servers"))
{
m_successfullyConnected = true;
rapidjson::Document serverInfoJson;
serverInfoJson.Parse(result->body.c_str());
if (serverInfoJson.HasParseError())
{
spdlog::error("Failed reading masterserver response: encountered parse error \"{}\"", rapidjson::GetParseError_En(serverInfoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (serverInfoJson.IsObject() && serverInfoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(result->body);
goto REQUEST_END_CLEANUP;
}
if (!serverInfoJson.IsArray())
{
spdlog::error("Failed reading masterserver response: root object is not an array");
goto REQUEST_END_CLEANUP;
}
rapidjson::GenericArray<false, rapidjson::Value> serverArray = serverInfoJson.GetArray();
spdlog::info("Got {} servers", serverArray.Size());
for (auto& serverObj : serverArray)
{
if (!serverObj.IsObject())
{
spdlog::error("Failed reading masterserver response: member of server array is not an object");
goto REQUEST_END_CLEANUP;
}
// todo: verify json props are fine before adding to m_remoteServers
if (!serverObj.HasMember("id") || !serverObj["id"].IsString()
|| !serverObj.HasMember("name") || !serverObj["name"].IsString()
|| !serverObj.HasMember("description") || !serverObj["description"].IsString()
|| !serverObj.HasMember("map") || !serverObj["map"].IsString()
|| !serverObj.HasMember("playlist") || !serverObj["playlist"].IsString()
|| !serverObj.HasMember("playerCount") || !serverObj["playerCount"].IsNumber()
|| !serverObj.HasMember("maxPlayers") || !serverObj["maxPlayers"].IsNumber()
|| !serverObj.HasMember("hasPassword") || !serverObj["hasPassword"].IsBool())
{
spdlog::error("Failed reading masterserver response: malformed server object");
goto REQUEST_END_CLEANUP;
}
bool hasPassword = serverObj["hasPassword"].GetBool();
const char* id = serverObj["id"].GetString();
bool createNewServerInfo = true;
for (RemoteServerInfo& server : m_remoteServers)
{
// if server already exists, update info rather than adding to it
if (!strncmp((const char*)server.id, id, 31))
{
if (hasPassword)
server = RemoteServerInfo(id, serverObj["name"].GetString(), serverObj["description"].GetString(), serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(), serverObj["maxPlayers"].GetInt());
else
{
in_addr addr;
addr.S_un.S_addr = serverObj["ip"].GetUint64();
server = RemoteServerInfo(id, serverObj["name"].GetString(), serverObj["description"].GetString(), serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(), serverObj["maxPlayers"].GetInt(), addr, serverObj["port"].GetInt());
}
createNewServerInfo = false;
break;
}
}
// server didn't exist
if (createNewServerInfo)
{
// passworded servers shouldn't send ip/port
if (hasPassword)
m_remoteServers.emplace_back(id, serverObj["name"].GetString(), serverObj["description"].GetString(), serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(), serverObj["maxPlayers"].GetInt());
else
{
if (!serverObj.HasMember("ip") || !serverObj["ip"].IsUint64() || !serverObj.HasMember("port") || !serverObj["port"].IsNumber())
{
spdlog::error("Failed reading masterserver response: malformed server object");
goto REQUEST_END_CLEANUP;
}
in_addr addr;
addr.S_un.S_addr = serverObj["ip"].GetUint64();
m_remoteServers.emplace_back(id, serverObj["name"].GetString(), serverObj["description"].GetString(), serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(), serverObj["maxPlayers"].GetInt(), addr, serverObj["port"].GetInt());
}
}
spdlog::info("Server {} on map {} with playlist {} has {}/{} players", serverObj["name"].GetString(), serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(), serverObj["maxPlayers"].GetInt());
}
}
else
{
spdlog::error("Failed requesting servers: error {}", result.error());
m_successfullyConnected = false;
}
// we goto this instead of returning so we always hit this
REQUEST_END_CLEANUP:
m_requestingServerList = false;
m_scriptRequestingServerList = false;
});
requestThread.detach();
}
void MasterServerManager::TryAuthenticateWithServer(char* serverId, char* password)
{
// dont wait, just stop if we're trying to do 2 auth requests at once
if (m_authenticatingWithGameServer)
return;
m_authenticatingWithGameServer = true;
m_scriptAuthenticatingWithGameServer = true;
m_successfullyAuthenticatedWithGameServer = false;
std::thread requestThread([this, serverId, password]()
{
httplib::Client http(Cvar_ns_masterserver_hostname->m_pszString, Cvar_ns_masterserver_port->m_nValue);
http.set_connection_timeout(20);
spdlog::info("Attempting authentication with server of id \"{}\"", serverId);
spdlog::info(fmt::format("/client/auth_with_server?server={}&password={}", serverId, password));
if (auto result = http.Post(fmt::format("/client/auth_with_server?server={}&password={}", serverId, password).c_str()))
{
m_successfullyConnected = true;
rapidjson::Document connectionInfoJson;
connectionInfoJson.Parse(result->body.c_str());
if (connectionInfoJson.HasParseError())
{
spdlog::error("Failed reading masterserver authentication response: encountered parse error \"{}\"", rapidjson::GetParseError_En(connectionInfoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson.IsObject())
{
spdlog::error("Failed reading masterserver authentication response: root object is not an object");
goto REQUEST_END_CLEANUP;
}
if (connectionInfoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(result->body);
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson["success"].IsTrue())
{
spdlog::error("Authentication with masterserver failed: \"success\" is not true");
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson.HasMember("success") || !connectionInfoJson.HasMember("ip") || !connectionInfoJson["ip"].IsUint64() || !connectionInfoJson.HasMember("port") || !connectionInfoJson["port"].IsNumber() || !connectionInfoJson.HasMember("authToken") || !connectionInfoJson["authToken"].IsString())
{
spdlog::error("Failed reading masterserver authentication response: malformed json object");
goto REQUEST_END_CLEANUP;
}
m_pendingConnectionInfo.ip.S_un.S_addr = connectionInfoJson["ip"].GetUint64();
m_pendingConnectionInfo.port = connectionInfoJson["port"].GetInt();
strncpy(m_pendingConnectionInfo.authToken, connectionInfoJson["authToken"].GetString(), 31);
m_pendingConnectionInfo.authToken[31] = 0;
m_hasPendingConnectionInfo = true;
m_successfullyAuthenticatedWithGameServer = true;
}
else
{
spdlog::error("Failed authenticating with server: error {}", result.error());
m_successfullyConnected = false;
m_successfullyAuthenticatedWithGameServer = false;
}
REQUEST_END_CLEANUP:
m_authenticatingWithGameServer = false;
m_scriptAuthenticatingWithGameServer = false;
});
requestThread.detach();
}
void ConCommand_ns_fetchservers(const CCommand& args)
{
g_MasterServerManager->RequestServerList();
}
void InitialiseSharedMasterServer(HMODULE baseAddress)
{
Cvar_ns_masterserver_hostname = RegisterConVar("ns_masterserver_hostname", "localhost", FCVAR_NONE, "");
Cvar_ns_masterserver_port = RegisterConVar("ns_masterserver_port", "8080", FCVAR_NONE, "");
g_MasterServerManager = new MasterServerManager;
RegisterConCommand("ns_fetchservers", ConCommand_ns_fetchservers, "", FCVAR_CLIENTDLL);
}
|
