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
|
// dbcommands_generic.cpp
/**
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* commands suited for any mongo server
*/
#include "pch.h"
#include "query.h"
#include "pdfile.h"
#include "jsobj.h"
#include "../bson/util/builder.h"
#include <time.h>
#include "introspect.h"
#include "btree.h"
#include "../util/lruishmap.h"
#include "../util/md5.hpp"
#include "../util/processinfo.h"
#include "json.h"
#include "repl.h"
#include "repl_block.h"
#include "replpair.h"
#include "commands.h"
#include "db.h"
#include "instance.h"
#include "lasterror.h"
#include "security.h"
#include "queryoptimizer.h"
#include "../scripting/engine.h"
#include "stats/counters.h"
#include "background.h"
#include "../util/version.h"
namespace mongo {
class CmdBuildInfo : public Command {
public:
CmdBuildInfo() : Command( "buildInfo", true, "buildinfo" ) {}
virtual bool slaveOk() const { return true; }
virtual bool adminOnly() const { return true; }
virtual LockType locktype() const { return NONE; }
virtual void help( stringstream &help ) const {
help << "get version #, etc.\n";
help << "{ buildinfo:1 }";
}
bool run(const string& dbname, BSONObj& jsobj, string& errmsg, BSONObjBuilder& result, bool fromRepl ){
result << "version" << versionString << "gitVersion" << gitVersion() << "sysInfo" << sysInfo();
result << "bits" << ( sizeof( int* ) == 4 ? 32 : 64 );
result.appendBool( "debug" ,
#ifdef _DEBUG
true
#else
false
#endif
);
return true;
}
} cmdBuildInfo;
/* just to check if the db has asserted */
class CmdAssertInfo : public Command {
public:
virtual bool slaveOk() const {
return true;
}
virtual void help( stringstream& help ) const {
help << "check if any asserts have occurred on the server";
}
virtual LockType locktype() const { return WRITE; }
CmdAssertInfo() : Command("assertInfo",true,"assertinfo") {}
bool run(const string& dbname, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
result.appendBool("dbasserted", lastAssert[0].isSet() || lastAssert[1].isSet() || lastAssert[2].isSet());
result.appendBool("asserted", lastAssert[0].isSet() || lastAssert[1].isSet() || lastAssert[2].isSet() || lastAssert[3].isSet());
result.append("assert", lastAssert[AssertRegular].toString());
result.append("assertw", lastAssert[AssertW].toString());
result.append("assertmsg", lastAssert[AssertMsg].toString());
result.append("assertuser", lastAssert[AssertUser].toString());
return true;
}
} cmdAsserts;
class PingCommand : public Command {
public:
PingCommand() : Command( "ping" ){}
virtual bool slaveOk() const { return true; }
virtual void help( stringstream &help ) const { help << "a way to check that the server is alive. responds immediately even if server is in a db lock."; }
virtual LockType locktype() const { return NONE; }
virtual bool requiresAuth() { return false; }
virtual bool run(const string& badns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool){
// IMPORTANT: Don't put anything in here that might lock db - including authentication
return true;
}
} pingCmd;
class FeaturesCmd : public Command {
public:
FeaturesCmd() : Command( "features", true ){}
void help(stringstream& h) const { h << "return on build level feature settings"; }
virtual bool slaveOk() const { return true; }
virtual bool readOnly(){ return true; }
virtual LockType locktype() const { return READ; }
virtual bool run(const string& ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl){
if ( globalScriptEngine ){
BSONObjBuilder bb( result.subobjStart( "js" ) );
result.append( "utf8" , globalScriptEngine->utf8Ok() );
bb.done();
}
if ( cmdObj["oidReset"].trueValue() ){
result.append( "oidMachineOld" , OID::staticMachine() );
OID::newState();
}
result.append( "oidMachine" , OID::staticMachine() );
return true;
}
} featuresCmd;
class LogRotateCmd : public Command {
public:
LogRotateCmd() : Command( "logRotate" ){}
virtual LockType locktype() const { return NONE; }
virtual bool slaveOk() const { return true; }
virtual bool adminOnly() const { return true; }
virtual bool run(const string& ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
rotateLogs();
return 1;
}
} logRotateCmd;
class ListCommandsCmd : public Command {
public:
virtual void help( stringstream &help ) const { help << "get a list of all db commands"; }
ListCommandsCmd() : Command( "listCommands", false ){}
virtual LockType locktype() const { return NONE; }
virtual bool slaveOk() const { return true; }
virtual bool adminOnly() const { return false; }
virtual bool run(const string& ns, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
BSONObjBuilder b( result.subobjStart( "commands" ) );
for ( map<string,Command*>::iterator i=_commands->begin(); i!=_commands->end(); ++i ){
Command * c = i->second;
// don't show oldnames
if (i->first != c->name)
continue;
BSONObjBuilder temp( b.subobjStart( c->name.c_str() ) );
{
stringstream help;
c->help( help );
temp.append( "help" , help.str() );
}
temp.append( "lockType" , c->locktype() );
temp.append( "slaveOk" , c->slaveOk() );
temp.append( "adminOnly" , c->adminOnly() );
temp.done();
}
b.done();
return 1;
}
} listCommandsCmd;
class CmdShutdown : public Command {
public:
virtual bool requiresAuth() { return true; }
virtual bool adminOnly() const { return true; }
virtual bool localHostOnlyIfNoAuth(const BSONObj& cmdObj) { return true; }
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return true;
}
virtual LockType locktype() const { return WRITE; }
virtual void help( stringstream& help ) const {
help << "shutdown the database. must be ran against admin db and either (1) ran from localhost or (2) authenticated.\n";
}
CmdShutdown() : Command("shutdown") {}
bool run(const string& dbname, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
Client * c = currentClient.get();
if ( c ) {
c->shutdown();
}
log() << "terminating, shutdown command received" << endl;
dbexit( EXIT_CLEAN ); // this never returns
return true;
}
} cmdShutdown;
/* for testing purposes only */
class CmdForceError : public Command {
public:
virtual void help( stringstream& help ) const {
help << "for testing purposes only. forces a user assertion exception";
}
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return true;
}
virtual LockType locktype() const { return NONE; }
CmdForceError() : Command("forceerror") {}
bool run(const string& dbnamne, BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
uassert( 10038 , "forced error", false);
return true;
}
} cmdForceError;
}
|
