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
|
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZT_JSONDB_HPP
#define ZT_JSONDB_HPP
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <map>
#include <stdexcept>
#include <vector>
#include <algorithm>
#include <unordered_map>
#include "../node/Constants.hpp"
#include "../node/Utils.hpp"
#include "../node/InetAddress.hpp"
#include "../node/Mutex.hpp"
#include "../ext/json/json.hpp"
#include "../osdep/OSUtils.hpp"
#include "../osdep/Http.hpp"
#include "../osdep/Thread.hpp"
#include "../osdep/BlockingQueue.hpp"
namespace ZeroTier {
/**
* Hierarchical JSON store that persists into the filesystem or via HTTP
*/
class JSONDB
{
public:
struct NetworkSummaryInfo
{
NetworkSummaryInfo() : authorizedMemberCount(0),activeMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
std::vector<Address> activeBridges;
std::vector<InetAddress> allocatedIps;
unsigned long authorizedMemberCount;
unsigned long activeMemberCount;
unsigned long totalMemberCount;
uint64_t mostRecentDeauthTime;
};
JSONDB(const std::string &basePath);
~JSONDB();
bool writeRaw(const std::string &n,const std::string &obj);
inline bool hasNetwork(const uint64_t networkId) const
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
return (i != _networks.end());
}
inline bool getNetwork(const uint64_t networkId,nlohmann::json &config) const
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
if (i == _networks.end())
return false;
config = i->second.config;
return true;
}
inline bool getNetworkSummaryInfo(const uint64_t networkId,NetworkSummaryInfo &ns) const
{
for(;;) {
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
if (i == _networks.end())
return false;
if (i->second.summaryInfoLastComputed) {
ns = i->second.summaryInfo;
return true;
}
}
Thread::sleep(100); // wait for this to be done the first time, which happens when we start
}
}
/**
* @return Bit mask: 0 == none, 1 == network only, 3 == network and member
*/
inline int getNetworkAndMember(const uint64_t networkId,const uint64_t nodeId,nlohmann::json &networkConfig,nlohmann::json &memberConfig,NetworkSummaryInfo &ns) const
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
if (i == _networks.end())
return 0;
networkConfig = i->second.config;
ns = i->second.summaryInfo;
std::unordered_map<uint64_t,nlohmann::json>::const_iterator j(i->second.members.find(nodeId));
if (j == i->second.members.end())
return 1;
memberConfig = j->second;
return 3;
}
inline bool getNetworkMember(const uint64_t networkId,const uint64_t nodeId,nlohmann::json &memberConfig) const
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
if (i == _networks.end())
return false;
std::unordered_map<uint64_t,nlohmann::json>::const_iterator j(i->second.members.find(nodeId));
if (j == i->second.members.end())
return false;
memberConfig = j->second;
return true;
}
void saveNetwork(const uint64_t networkId,const nlohmann::json &networkConfig);
void saveNetworkMember(const uint64_t networkId,const uint64_t nodeId,const nlohmann::json &memberConfig);
nlohmann::json eraseNetwork(const uint64_t networkId);
nlohmann::json eraseNetworkMember(const uint64_t networkId,const uint64_t nodeId,bool recomputeSummaryInfo = true);
std::vector<uint64_t> networkIds() const
{
std::vector<uint64_t> r;
Mutex::Lock _l(_networks_m);
for(std::unordered_map<uint64_t,_NW>::const_iterator n(_networks.begin());n!=_networks.end();++n)
r.push_back(n->first);
return r;
}
template<typename F>
inline void eachMember(const uint64_t networkId,F func)
{
Mutex::Lock _l(_networks_m);
std::unordered_map<uint64_t,_NW>::const_iterator i(_networks.find(networkId));
if (i != _networks.end()) {
for(std::unordered_map<uint64_t,nlohmann::json>::const_iterator m(i->second.members.begin());m!=i->second.members.end();++m) {
try {
func(networkId,m->first,m->second);
} catch ( ... ) {}
}
}
}
void threadMain()
throw();
private:
bool _load(const std::string &p);
void _recomputeSummaryInfo(const uint64_t networkId);
std::string _genPath(const std::string &n,bool create);
std::string _basePath;
InetAddress _httpAddr;
BlockingQueue<uint64_t> _updateSummaryInfoQueue;
Thread _summaryThread;
Mutex _summaryThread_m;
struct _NW
{
_NW() : summaryInfoLastComputed(0) {}
nlohmann::json config;
NetworkSummaryInfo summaryInfo;
uint64_t summaryInfoLastComputed;
std::unordered_map<uint64_t,nlohmann::json> members;
};
std::unordered_map<uint64_t,_NW> _networks;
Mutex _networks_m;
};
} // namespace ZeroTier
#endif
|
