/usr/include/mongo/s/stale_exception.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | /**
* Copyright (C) 2012 10gen Inc.
*
* 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/>.
*/
#pragma once
#include "mongo/db/jsobj.h"
#include "mongo/s/chunk_version.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
using mongoutils::str::stream;
/**
* Thrown whenever your config info for a given shard/chunk is out of date.
*/
class StaleConfigException : public AssertionException {
public:
StaleConfigException( const string& ns,
const string& raw,
int code,
ChunkVersion received,
ChunkVersion wanted,
bool justConnection = false )
: AssertionException(stream() << raw << " ( ns : " << ns
<< ", received : " << received.toString()
<< ", wanted : " << wanted.toString()
<< ", " << ( code == SendStaleConfigCode ?
"send" : "recv" ) << " )",
code ),
_justConnection(justConnection),
_ns(ns),
_received( received ),
_wanted( wanted ) {
}
/** Preferred if we're rebuilding this from a thrown exception */
StaleConfigException( const string& raw,
int code,
const BSONObj& error,
bool justConnection = false )
: AssertionException( stream() << raw << " ( ns : "
<< ( error["ns"].type() == String ?
error["ns"].String() : string("<unknown>") )
<< ", received : "
<< ChunkVersion::fromBSON( error, "vReceived" ).toString()
<< ", wanted : "
<< ChunkVersion::fromBSON( error, "vWanted" ).toString()
<< ", "
<< ( code == SendStaleConfigCode ?
"send" : "recv" ) << " )",
code ),
_justConnection(justConnection) ,
// For legacy reasons, we may not always get a namespace here
_ns( error["ns"].type() == String ? error["ns"].String() : "" ),
_received( ChunkVersion::fromBSON( error, "vReceived" ) ),
_wanted( ChunkVersion::fromBSON( error, "vWanted" ) ) {
}
/**
* Needs message so when we trace all exceptions on construction we get a useful
* message
*/
StaleConfigException() :
AssertionException( "initializing empty stale config exception object", 0 ) {
}
virtual ~StaleConfigException() throw() {}
virtual void appendPrefix( stringstream& ss ) const {
ss << "stale sharding config exception: ";
}
bool justConnection() const { return _justConnection; }
string getns() const { return _ns; }
/**
* true if this exception would require a full reload of config data to resolve
*/
bool requiresFullReload() const {
return ! _received.hasCompatibleEpoch( _wanted ) ||
_received.isSet() != _wanted.isSet();
}
static bool parse( const string& big , string& ns , string& raw ) {
string::size_type start = big.find( '[' );
if ( start == string::npos )
return false;
string::size_type end = big.find( ']' ,start );
if ( end == string::npos )
return false;
ns = big.substr( start + 1 , ( end - start ) - 1 );
raw = big.substr( end + 1 );
return true;
}
ChunkVersion getVersionReceived() const {
return _received;
}
ChunkVersion getVersionWanted() const {
return _wanted;
}
StaleConfigException& operator=( const StaleConfigException& elem ) {
this->_ei.msg = elem._ei.msg;
this->_ei.code = elem._ei.code;
this->_justConnection = elem._justConnection;
this->_ns = elem._ns;
this->_received = elem._received;
this->_wanted = elem._wanted;
return *this;
}
private:
bool _justConnection;
string _ns;
ChunkVersion _received;
ChunkVersion _wanted;
};
class SendStaleConfigException : public StaleConfigException {
public:
SendStaleConfigException( const string& ns,
const string& raw,
ChunkVersion received,
ChunkVersion wanted,
bool justConnection = false )
: StaleConfigException( ns, raw, SendStaleConfigCode, received, wanted, justConnection ){
}
SendStaleConfigException( const string& raw,
const BSONObj& error,
bool justConnection = false )
: StaleConfigException( raw, SendStaleConfigCode, error, justConnection ) {
}
};
class RecvStaleConfigException : public StaleConfigException {
public:
RecvStaleConfigException( const string& ns,
const string& raw,
ChunkVersion received,
ChunkVersion wanted,
bool justConnection = false )
: StaleConfigException( ns, raw, RecvStaleConfigCode, received, wanted, justConnection ){
}
RecvStaleConfigException( const string& raw,
const BSONObj& error,
bool justConnection = false )
: StaleConfigException( raw, RecvStaleConfigCode, error, justConnection ) {
}
};
} // namespace mongo
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