Binary compatibility report for the mongoDB library between 1.5.6 and 1.5.7 versions on x86

Test Info

Library Name	mongoDB
Version #1	1.5.6
Version #2	1.5.7
CPU Architecture	x86
GCC Version	4.5

Test Results

Total Header Files	1
Total Shared Libraries	1
Total Symbols / Types	435 / 332
Verdict	Incompatible (16.67%)

Problem Summary

	Severity	Count
Added Symbols	-	29
Removed Symbols	High	26
Problems with Data Types	High	5
	Medium	5
	Low	8
Problems with Symbols	High	1
	Medium	1
	Low	0
Problems with Constants	Low	0
Other Changes	-	0

Added Symbols (29)

dbclient.h, libmongoshellfiles.so
namespace mongo
ConnectionString::parse ( std::string const& url, std::string& errmsg ) [static]
DBClientConnection::connect ( HostAndPort const& server, std::string& errmsg )
DBClientReplicaSet::auth ( std::string const& dbname, std::string const& username, std::string const& pwd, std::string& errmsg, bool digestPassword )
DBClientReplicaSet::call ( Message& toSend, Message& response, bool assertOk )
DBClientReplicaSet::callRead ( Message& toSend, Message& response )
DBClientReplicaSet::checkResponse ( char const* data, int nReturned )
DBClientReplicaSet::connect ( )
DBClientReplicaSet::DBClientReplicaSet [in-charge] ( std::string const& name, std::vector<HostAndPort>const& servers )
DBClientReplicaSet::DBClientReplicaSet [not-in-charge] ( std::string const& name, std::vector<HostAndPort>const& servers )
DBClientReplicaSet::findOne ( std::string const& ns, Query const& query, BSONObj const* fieldsToReturn, int queryOptions )
DBClientReplicaSet::getServerAddress ( ) const
DBClientReplicaSet::insert ( std::string const& ns, BSONObj&restrict obj )
DBClientReplicaSet::insert ( std::string const& ns, std::vector<BSONObj>const& v )
DBClientReplicaSet::isFailed ( ) const
DBClientReplicaSet::killCursor ( long long cursorID )
DBClientReplicaSet::masterConn ( )
DBClientReplicaSet::query ( std::string const& ns, Query query, int nToReturn, int nToSkip, BSONObj const* fieldsToReturn, int queryOptions, int batchSize )
DBClientReplicaSet::remove ( std::string const& ns, Query&restrict obj, bool justOne )
DBClientReplicaSet::say ( Message& toSend )
DBClientReplicaSet::sayPiggyBack ( Message& toSend )
DBClientReplicaSet::slaveConn ( )
DBClientReplicaSet::toString ( )
DBClientReplicaSet::type ( ) const
DBClientReplicaSet::update ( std::string const& ns, Query&restrict query, BSONObj&restrict obj, bool upsert, bool multi )
DBClientReplicaSet::~DBClientReplicaSet [in-charge-deleting] ( )
DBClientReplicaSet::~DBClientReplicaSet [in-charge] ( )
DBClientReplicaSet::~DBClientReplicaSet [not-in-charge] ( )

hostandport.h, libmongoshellfiles.so
namespace mongo
HostAndPort::isSelf ( ) const

mmap.h, libmongoshellfiles.so
namespace mongo
MemoryMappedFile::prepareFlush ( )

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Removed Symbols (26)

dbclient.h, libmongoclient.so
namespace mongo
DBClientConnection::connect ( std::string const& serverHostname, std::string& errmsg )
DBClientPaired::auth ( std::string const& dbname, std::string const& username, std::string const& pwd, std::string& errmsg )
DBClientPaired::call ( Message& toSend, Message& response, bool assertOk )
DBClientPaired::callRead ( Message& toSend, Message& response )
DBClientPaired::checkResponse ( char const* data, int nReturned )
DBClientPaired::connect ( std::string const& serverHostname1, std::string const& serverHostname2 )
DBClientPaired::connect ( std::string hostpairstring )
DBClientPaired::DBClientPaired [in-charge] ( )
DBClientPaired::DBClientPaired [not-in-charge] ( )
DBClientPaired::findOne ( std::string const& ns, Query const& query, BSONObj const* fieldsToReturn, int queryOptions )
DBClientPaired::getServerAddress ( ) const
DBClientPaired::insert ( std::string const& ns, BSONObj&restrict obj )
DBClientPaired::insert ( std::string const& ns, std::vector<BSONObj>const& v )
DBClientPaired::isFailed ( ) const
DBClientPaired::killCursor ( long long cursorID )
DBClientPaired::masterConn ( )
DBClientPaired::query ( std::string const& ns, Query query, int nToReturn, int nToSkip, BSONObj const* fieldsToReturn, int queryOptions, int batchSize )
DBClientPaired::remove ( std::string const& ns, Query&restrict obj, bool justOne )
DBClientPaired::say ( Message& toSend )
DBClientPaired::sayPiggyBack ( Message& toSend )
DBClientPaired::slaveConn ( )
DBClientPaired::toString ( )
DBClientPaired::update ( std::string const& ns, Query&restrict query, BSONObj&restrict obj, bool upsert, bool multi )
DBClientPaired::~DBClientPaired [in-charge-deleting] ( )
DBClientPaired::~DBClientPaired [in-charge] ( )
vtable for DBClientPaired [data]

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Problems with Data Types, High Severity (5)

	Change	Effect
1	Size of this class has been changed from 20 bytes to 24 bytes.	1) The class has only inline or auto-generated constructors which will be copied to applications at compile time and will allocate an older memory layout. Call of any exported method of this class may access a memory outside the allocated objects or inside the older memory structure and result in crash or incorrect behavior of applications. 2) The memory layout and size of subclasses will be changed.

	Change	Effect
1	Pure virtual method DBClientBase::type ( ) const has been added to this class.	1) Applications will not provide the implementation for this pure virtual method and therefore cause a crash in the library trying to call this method. 2) The layout of v-table has been changed. Call of any virtual method at higher position in this class or its subclasses may result in crash or incorrect behavior of applications.

Offset	Virtual Table (Old) - 39 entries	Virtual Table (New) - 40 entries
0	(int (*)(...))0	(int (*)(...))0
4	(int (*)(...))(& typeinfo)	(int (*)(...))(& typeinfo)
8	DBClientBase::query	DBClientBase::query
12	DBClientBase::getMore	DBClientBase::getMore
16	DBClientBase::insert	DBClientBase::insert
20	DBClientBase::insert	DBClientBase::insert
24	DBClientBase::remove	DBClientBase::remove
28	DBClientBase::update	DBClientBase::update
32	~DBClientBase	~DBClientBase
36	~DBClientBase	~DBClientBase
40	DBClientInterface::findOne	DBClientInterface::findOne
44	DBClientWithCommands::runCommand	DBClientWithCommands::runCommand
48	DBClientWithCommands::auth	DBClientWithCommands::auth
52	DBClientWithCommands::isMaster	DBClientWithCommands::isMaster
56	DBClientWithCommands::getLastErrorDetailed	DBClientWithCommands::getLastErrorDetailed
60	DBClientWithCommands::dropCollection	DBClientWithCommands::dropCollection
64	DBClientWithCommands::ensureIndex	DBClientWithCommands::ensureIndex
68	DBClientWithCommands::resetIndexCache	DBClientWithCommands::resetIndexCache
72	DBClientWithCommands::getIndexes	DBClientWithCommands::getIndexes
76	DBClientWithCommands::dropIndex	DBClientWithCommands::dropIndex
80	DBClientWithCommands::dropIndex	DBClientWithCommands::dropIndex
84	DBClientWithCommands::dropIndexes	DBClientWithCommands::dropIndexes
88	DBClientWithCommands::reIndex	DBClientWithCommands::reIndex
92	DBClientWithCommands::dropDatabase	DBClientWithCommands::dropDatabase
96	__cxa_pure_virtual	__cxa_pure_virtual
100	__cxa_pure_virtual	__cxa_pure_virtual
104	__cxa_pure_virtual	__cxa_pure_virtual
108	__cxa_pure_virtual	__cxa_pure_virtual
112	__cxa_pure_virtual	__cxa_pure_virtual
116	__cxa_pure_virtual	__cxa_pure_virtual
120	(int (*)(...))-0x000000028	__cxa_pure_virtual
124	(int (*)(...))(& typeinfo)	(int (*)(...))-0x000000028
128	non-virtual thunk	(int (*)(...))(& typeinfo)
132	non-virtual thunk	non-virtual thunk
136	__cxa_pure_virtual	non-virtual thunk
140	__cxa_pure_virtual	__cxa_pure_virtual
144	__cxa_pure_virtual	__cxa_pure_virtual
148	DBConnector::checkResponse	__cxa_pure_virtual
152	DBConnector::recv	DBConnector::checkResponse
156		DBConnector::recv

	Change	Effect
1	Size of this class has been changed from 100 bytes to 112 bytes.	1) The class has only inline or auto-generated constructors which will be copied to applications at compile time and will allocate an older memory layout. Call of any exported method of this class may access a memory outside the allocated objects or inside the older memory structure and result in crash or incorrect behavior of applications. 2) The memory layout and size of subclasses will be changed.

	Change	Effect
1	Size of this class has been changed from 12 bytes to 16 bytes.	1) The class has only inline or auto-generated constructors which will be copied to applications at compile time and will allocate an older memory layout. Call of any exported method of this class may access a memory outside the allocated objects or inside the older memory structure and result in crash or incorrect behavior of applications. 2) The memory layout and size of subclasses will be changed.

	Change	Effect
1	Pure virtual method MongoFile::prepareFlush ( ) has been added to this class.	1) Applications will not provide the implementation for this pure virtual method and therefore cause a crash in the library trying to call this method. 2) The layout of v-table has been changed. Call of any virtual method at higher position in this class or its subclasses may result in crash or incorrect behavior of applications.

Offset	Virtual Table (Old) - 9 entries	Virtual Table (New) - 10 entries
0	(int (*)(...))0	(int (*)(...))0
4	(int (*)(...))(& typeinfo)	(int (*)(...))(& typeinfo)
8	__cxa_pure_virtual	__cxa_pure_virtual
12	__cxa_pure_virtual	__cxa_pure_virtual
16	MongoFile::_lock	__cxa_pure_virtual
20	MongoFile::_unlock	MongoFile::_lock
24	~MongoFile	MongoFile::_unlock
28	~MongoFile	~MongoFile
32	__cxa_pure_virtual	~MongoFile
36		__cxa_pure_virtual

dbclient.h
namespace mongo
[+] class ConnectionString (1)
[+] class DBClientBase (1)
[+] class DBClientConnection (1)

message.h
namespace mongo
[+] class SocketException (1)

mmap.h
namespace mongo
[+] class MongoFile (1)

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Problems with Symbols, High Severity (1)

	Change	Effect
1	Parameters list has been changed.	The name of the appropriate symbol for this function on binary level has been changed from _ZN5mongo18DBClientConnection7connectERKSsRSs to _ZN5mongo18DBClientConnection7connectERKNS_11HostAndPortERSs. This may cause "undefined reference" linker error in old client applications.

dbclient.h, libmongoclient.so
namespace mongo
[+] DBClientConnection::connect ( std::string const& serverHostname, std::string& errmsg ) (1)

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Problems with Data Types, Medium Severity (5)

	Change	Effect
1	Field bind_ip has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

	Change	Effect
1	Virtual method DBClientConnection::connect ( HostAndPort const& server, std::string& errmsg ) has been added to this class.	The layout of v-table has been changed. This leaf class has no exported constructors and therefore applications will copy an old v-table of the class that will not contain a pointer to added virtual method. Call of any method in this class may result in crash or incorrect behavior of applications. NOTE: if new virtual method is called only from other new methods, then binary compatibility should not be affected.
2	Virtual method DBClientConnection::connect ( char const* hostname, std::string& errmsg ) has been added to this class instead of DBClientConnection::connect ( std::string const& serverHostname, std::string& errmsg ).	Applications will pass parameters of older replaced method to newly added virtual method. This may result in crash or incorrect behavior of applications.

Offset	Virtual Table (Old) - 44 entries	Virtual Table (New) - 46 entries
0	(int (*)(...))0	(int (*)(...))0
4	(int (*)(...))(& typeinfo)	(int (*)(...))(& typeinfo)
8	DBClientConnection::query	DBClientConnection::query
12	DBClientBase::getMore	DBClientBase::getMore
16	DBClientBase::insert	DBClientBase::insert
20	DBClientBase::insert	DBClientBase::insert
24	DBClientBase::remove	DBClientBase::remove
28	DBClientBase::update	DBClientBase::update
32	~DBClientConnection	~DBClientConnection
36	~DBClientConnection	~DBClientConnection
40	DBClientInterface::findOne	DBClientInterface::findOne
44	DBClientWithCommands::runCommand	DBClientWithCommands::runCommand
48	DBClientConnection::auth	DBClientConnection::auth
52	DBClientWithCommands::isMaster	DBClientWithCommands::isMaster
56	DBClientWithCommands::getLastErrorDetailed	DBClientWithCommands::getLastErrorDetailed
60	DBClientWithCommands::dropCollection	DBClientWithCommands::dropCollection
64	DBClientWithCommands::ensureIndex	DBClientWithCommands::ensureIndex
68	DBClientWithCommands::resetIndexCache	DBClientWithCommands::resetIndexCache
72	DBClientWithCommands::getIndexes	DBClientWithCommands::getIndexes
76	DBClientWithCommands::dropIndex	DBClientWithCommands::dropIndex
80	DBClientWithCommands::dropIndex	DBClientWithCommands::dropIndex
84	DBClientWithCommands::dropIndexes	DBClientWithCommands::dropIndexes
88	DBClientWithCommands::reIndex	DBClientWithCommands::reIndex
92	DBClientWithCommands::dropDatabase	DBClientWithCommands::dropDatabase
96	DBClientConnection::toString	DBClientConnection::toString
100	DBClientConnection::getServerAddress	DBClientConnection::getServerAddress
104	DBClientConnection::isFailed	DBClientConnection::isFailed
108	DBClientConnection::killCursor	DBClientConnection::killCursor
112	DBClientConnection::callRead	DBClientConnection::callRead
116	DBClientConnection::say	DBClientConnection::say
120	DBClientConnection::connect	DBClientConnection::type
124	DBClientConnection::recv	DBClientConnection::connect
128	DBClientConnection::call	DBClientConnection::connect
132	DBClientConnection::sayPiggyBack	DBClientConnection::call
136	DBClientConnection::checkResponse	DBClientConnection::recv
140	(int (*)(...))-0x000000028	DBClientConnection::sayPiggyBack
144	(int (*)(...))(& typeinfo)	DBClientConnection::checkResponse
148	non-virtual thunk	(int (*)(...))-0x000000028
152	non-virtual thunk	(int (*)(...))(& typeinfo)
156	non-virtual thunk	non-virtual thunk
160	non-virtual thunk	non-virtual thunk
164	non-virtual thunk	non-virtual thunk
168	non-virtual thunk	non-virtual thunk
172	non-virtual thunk	non-virtual thunk
176		non-virtual thunk
180		non-virtual thunk

	Change	Effect
1	The layout of v-table has been changed for unknown reason.	Call of any method in this class may result in crash or incorrect behavior of applications.

Offset	Virtual Table (Old) - 9 entries	Virtual Table (New) - 10 entries
0	(int (*)(...))0	(int (*)(...))0
4	(int (*)(...))(& typeinfo)	(int (*)(...))(& typeinfo)
8	MemoryMappedFile::close	MemoryMappedFile::close
12	MemoryMappedFile::flush	MemoryMappedFile::flush
16	MemoryMappedFile::_lock	MemoryMappedFile::prepareFlush
20	MemoryMappedFile::_unlock	MemoryMappedFile::_lock
24	~MemoryMappedFile	MemoryMappedFile::_unlock
28	~MemoryMappedFile	~MemoryMappedFile
32	MemoryMappedFile::length	~MemoryMappedFile
36		MemoryMappedFile::length

	Change	Effect
1	The layout of v-table has been changed for unknown reason.	Call of any method in this class may result in crash or incorrect behavior of applications.

Offset	Virtual Table (Old) - 9 entries	Virtual Table (New) - 10 entries
0	(int (*)(...))0	(int (*)(...))0
4	(int (*)(...))(& typeinfo)	(int (*)(...))(& typeinfo)
8	RamStoreFile::close	RamStoreFile::close
12	RamStoreFile::flush	RamStoreFile::flush
16	MongoFile::_lock	__cxa_pure_virtual
20	MongoFile::_unlock	MongoFile::_lock
24	~RamStoreFile	MongoFile::_unlock
28	~RamStoreFile	~RamStoreFile
32	RamStoreFile::length	~RamStoreFile
36		RamStoreFile::length

cmdline.h
namespace mongo
[+] class CmdLine (1)

dbclient.h
namespace mongo
[+] class DBClientConnection (2)

mmap.h
namespace mongo
[+] class MemoryMappedFile (1)

ramstore.h
namespace mongo
[+] class RamStoreFile (1)

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Problems with Symbols, Medium Severity (1)

	Change	Effect
1	Size of this global data has been changed from 60 bytes to 64 bytes.	Applications will obtain a different value and execution may change.

cmdline.h, libmongoclient.so
namespace mongo
[+] cmdLine [data] (1)

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Problems with Data Types, Low Severity (8)

	Change	Effect
1	Size of this type has been changed from 60 bytes to 64 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Field _setName has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.

	Change	Effect
1	Field _port has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field _serverString has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	The relative position of private field _timeout has been changed from 7 to 8.	Size of the inclusive type has been changed.
4	The relative position of private field authCache has been changed from 6 to 7.	Size of the inclusive type has been changed.
5	Field serverAddress has been removed from this type.	Size of the inclusive type has been changed.

	Change	Effect
1	Field type has been added to this type.	Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.

cmdline.h
namespace mongo
[+] class CmdLine (1)

dbclient.h
namespace mongo
[+] class ConnectionString (1)
[+] class DBClientConnection (5)

message.h
namespace mongo
[+] class SocketException (1)

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Header Files (1)

dbclient.h

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Shared Libraries (1)

libmongoclient.so

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