/usr/include/mongo/db/lasterror.h is in mongodb-dev 1:2.4.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // lasterror.h
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "mongo/bson/oid.h"
namespace mongo {
class BSONObjBuilder;
class Message;
struct LastError {
int code;
string msg;
enum UpdatedExistingType { NotUpdate, True, False } updatedExisting;
OID upsertedId;
OID writebackId; // this shouldn't get reset so that old GLE are handled
int writebackSince;
long long nObjects;
int nPrev;
bool valid;
bool disabled;
void writeback( OID& oid ) {
reset( true );
writebackId = oid;
writebackSince = 0;
}
void raiseError(int _code , const char *_msg) {
reset( true );
code = _code;
msg = _msg;
}
void recordUpdate( bool _updateObjects , long long _nObjects , OID _upsertedId ) {
reset( true );
nObjects = _nObjects;
updatedExisting = _updateObjects ? True : False;
if ( _upsertedId.isSet() )
upsertedId = _upsertedId;
}
void recordDelete( long long nDeleted ) {
reset( true );
nObjects = nDeleted;
}
LastError() {
reset();
writebackSince = 0;
}
void reset( bool _valid = false ) {
code = 0;
msg.clear();
updatedExisting = NotUpdate;
nObjects = 0;
nPrev = 1;
valid = _valid;
disabled = false;
upsertedId.clear();
}
/**
* @return if there is an err
*/
bool appendSelf( BSONObjBuilder &b , bool blankErr = true );
/**
* appends fields which are not "error" related
* this whole mechanism needs to be re-written
* but needs a lot of real thought
*/
void appendSelfStatus( BSONObjBuilder &b );
struct Disabled : boost::noncopyable {
Disabled( LastError * le ) {
_le = le;
if ( _le ) {
_prev = _le->disabled;
_le->disabled = true;
}
else {
_prev = false;
}
}
~Disabled() {
if ( _le )
_le->disabled = _prev;
}
LastError * _le;
bool _prev;
};
static LastError noError;
};
extern class LastErrorHolder {
public:
LastErrorHolder(){}
~LastErrorHolder();
LastError * get( bool create = false );
LastError * getSafe() {
LastError * le = get(false);
if ( ! le ) {
error() << " no LastError!" << endl;
verify( le );
}
return le;
}
LastError * _get( bool create = false ); // may return a disabled LastError
void reset( LastError * le );
/** ok to call more than once. */
void initThread();
int getID();
void release();
/** when db receives a message/request, call this */
LastError * startRequest( Message& m , LastError * connectionOwned );
void disconnect( int clientId );
// used to disable lastError reporting while processing a killCursors message
// disable causes get() to return 0.
LastError *disableForCommand(); // only call once per command invocation!
private:
boost::thread_specific_ptr<LastError> _tl;
struct Status {
time_t time;
LastError *lerr;
};
} lastError;
void setLastError(int code , const char *msg);
} // namespace mongo
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