INT32 _msgBuffer::write( const bson::BSONObj &obj, BOOLEAN align, INT32 bytes )
{
INT32 rc = SDB_OK ;
INT32 size = 0 ; // new size to realloc
INT32 num = 0 ; // number of memory block
UINT32 objsize = obj.objsize() ;
if( objsize > _capacity - _size )
{
num = ( objsize + _size ) / MEMERY_BLOCK_SIZE + 1 ;
size = num * MEMERY_BLOCK_SIZE ;
rc = realloc( _data, size ) ;
if( SDB_OK != rc )
{
goto error ;
}
}
ossMemcpy( _data + _size, obj.objdata(), objsize ) ;
if ( align )
{
_size += ossRoundUpToMultipleX( objsize, bytes ) ;
}
else
{
_size += objsize ;
}
done:
return rc ;
error:
goto done ;
}
bson::BSONObj getCondObj( const bson::BSONObj& all )
{
bson::BSONObj cond ;
const char* cmdStr = all.firstElementFieldName() ;
if ( all.hasField( "$query" ) )
{
cond = all.getObjectField( "$query" ) ;
}
else if ( all.hasField( "query" ) )
{
cond = all.getObjectField( "query" ) ;
}
else
{
cond = all ;
}
return cond ;
}
qgmPlMthMatcherScan::qgmPlMthMatcherScan( const qgmDbAttr &collection,
const qgmOPFieldVec &selector,
const bson::BSONObj &orderby,
const bson::BSONObj &hint,
INT64 numSkip,
INT64 numReturn,
const qgmField &alias,
const bson::BSONObj &matcher )
: _qgmPlScan( collection, selector, orderby, hint, numSkip, numReturn,
alias, NULL )
{
_condition = matcher.copy();
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__MTHSELECTOR_SELECT, "_mthSelector::select" )
INT32 _mthSelector::select( const bson::BSONObj &source,
bson::BSONObj &target )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB__MTHSELECTOR_SELECT ) ;
SDB_ASSERT(_init, "The selector has not been initialized, please "
"call 'loadPattern' before using it" ) ;
BSONObj obj ;
if ( !_init )
{
target = source.copy() ;
goto done ;
}
rc = _matrix.select( source, obj ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to select columns:%d", rc ) ;
goto error ;
}
if ( !_stringOutput )
{
target = obj ;
}
else
{
BSONObj resorted ;
rc = _resortObj( _matrix.getPattern(),
obj,
resorted ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to resort obj:%d", rc ) ;
goto error ;
}
rc = _buildCSV( resorted, target ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to build csv:%d", rc ) ;
goto error ;
}
}
done:
PD_TRACE_EXITRC( SDB__MTHSELECTOR_SELECT, rc ) ;
return rc ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__MTHSELECTOR__RESORTOBJ, "_mthSelector::_resortObj" )
INT32 _mthSelector::_resortObj( const bson::BSONObj &pattern,
const bson::BSONObj &src,
bson::BSONObj &obj )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB__MTHSELECTOR__RESORTOBJ ) ;
BSONObjBuilder builder ;
hash_map fMap ;
BSONObjIterator i( src ) ;
while ( i.more() )
{
BSONElement e = i.next() ;
fMap.insert( std::make_pair( e.fieldName(), e ) ) ;
}
BSONObjIterator j( pattern ) ;
while ( j.more() )
{
BSONElement e = j.next() ;
hash_map::const_iterator itr = fMap.find( e.fieldName() ) ;
if ( fMap.end() != itr )
{
builder.append( itr->second ) ;
}
else
{
PD_LOG( PDWARNING, "field[%s] in pattern does not exist in src[%s]",
e.fieldName(), src.toString( FALSE, TRUE ).c_str() ) ;
}
}
obj = builder.obj() ;
PD_TRACE_EXITRC( SDB__MTHSELECTOR__RESORTOBJ, rc ) ;
return rc ;
}
INT32 utilJsonFile::write( ossFile& file, bson::BSONObj& data )
{
INT32 rc = SDB_OK ;
SDB_ASSERT( file.isOpened(), "file must be opened" ) ;
string json = data.toString() ;
rc = file.truncate( 0 ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "Failed to truncate json file, rc=%d", rc );
goto error ;
}
rc = file.seekAndWriteN( 0, json.c_str(), json.size() ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "Failed to write json to file, " \
"json size=%d, rc=%d",
json.size(), rc );
goto error ;
}
rc = file.sync() ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "Failed to sync json file, rc=%d", rc ) ;
goto error ;
}
done:
return rc ;
error:
goto done ;
}
int MongoBase::Insert(std::string name,bson::BSONObj& doc,int flag /* = 0 */)
{
return this->doInsert(name.c_str(),name.size(),flag,doc.objdata(),doc.objsize());
}
int MongoBase::Update(std::string name,int flag,bson::BSONObj& selector,bson::BSONObj& updator)
{
return this->doUpdate(name.c_str(),name.size(),flag,selector.objdata(),selector.objsize(),updator.objdata(),updator.objsize());
}
int MongoBase::Query(MongoQuery* reply,std::string name,bson::BSONObj& query,bson::BSONObj& selector,int flag /* = 0 */,int skip /* = 0 */,int number /* = 100 */)
{
int session = this->doQuery(name.c_str(),name.size(),query.objdata(),query.objsize(),selector.objdata(),selector.objsize(),flag,skip,number);
_queryCallBack[session] = boost::bind(&MongoBase::QueryReply,this,reply,_1,_2);
return session;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__MTHSELECTOR__BUILDCSV, "_mthSelector::_buildCSV" )
INT32 _mthSelector::_buildCSV( const bson::BSONObj &obj,
bson::BSONObj &csv )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB__MTHSELECTOR__BUILDCSV ) ;
BOOLEAN result = FALSE ;
INT32 stringLength = 0 ;
// in the first round, let's allocate memory
if ( 0 == _stringOutputBufferSize )
{
rc = mthDoubleBufferSize ( &_stringOutputBuffer,
_stringOutputBufferSize ) ;
PD_RC_CHECK ( rc, PDERROR,
"Failed to append string, rc = %d", rc ) ;
}
_stringOutputBuffer[FIRST_ELEMENT_STARTING_POS-6] = String ;
_stringOutputBuffer[FIRST_ELEMENT_STARTING_POS-5] = '\0' ;
while ( _stringOutputBufferSize < MAX_SELECTOR_BUFFER_THRESHOLD )
{
result = rawbson2csv ( obj.objdata(),
&_stringOutputBuffer[FIRST_ELEMENT_STARTING_POS],
_stringOutputBufferSize-FIRST_ELEMENT_STARTING_POS ) ;
if ( result )
{
break ;
}
else
{
rc = mthDoubleBufferSize ( &_stringOutputBuffer,
_stringOutputBufferSize ) ;
PD_RC_CHECK ( rc, PDERROR,
"Failed to double buffer, rc = %d", rc ) ;
}
}
if ( _stringOutputBufferSize >= MAX_SELECTOR_BUFFER_THRESHOLD )
{
PD_LOG ( PDERROR,
"string output buffer size is greater than threshold" ) ;
rc = SDB_INVALIDARG ;
goto error ;
}
stringLength =
ossStrlen ( &_stringOutputBuffer[FIRST_ELEMENT_STARTING_POS] ) ;
// assign object length, 1 for 0 at the end, 1 for the eoo
*(INT32*)_stringOutputBuffer = FIRST_ELEMENT_STARTING_POS + 2 +
stringLength ;
_stringOutputBuffer[ *(INT32*)_stringOutputBuffer -1 ] = EOO ;
// assign string length, 1 for 0 at the end
*(INT32*)(&_stringOutputBuffer[FIRST_ELEMENT_STARTING_POS-4]) =
stringLength + 1 ;
// it should not cause memory leak even if there's previous owned
// buffer because _stringOutputBuffer is owned by context, and we don't
// touch holder in BSONObj, so smart pointer should still holding the
// original buffer it owns
csv.init ( _stringOutputBuffer ) ;
done:
PD_TRACE_EXITRC( SDB__MTHSELECTOR__BUILDCSV, rc ) ;
return rc ;
error:
goto done ;
}
INT32 _sptUsrSsh::construct( const _sptArguments &arg,
_sptReturnVal &rval,
bson::BSONObj &detail)
{
INT32 rc = SDB_OK ;
string passwd ;
string errmsg ;
INT32 port = SPT_SSH_PORT ;
rc = arg.getString( 0, _host ) ;
if ( SDB_OUT_OF_BOUND == rc )
{
detail = BSON( SPT_ERR << "hostname must be config" ) ;
}
else if ( rc )
{
detail = BSON( SPT_ERR << "hostname must be string" ) ;
}
PD_RC_CHECK( rc, PDERROR, "Failed to get hostname, rc: %d", rc ) ;
rc = arg.getString( 1, _user ) ;
if ( rc && SDB_OUT_OF_BOUND != rc )
{
detail = BSON( SPT_ERR << "user must be string" ) ;
PD_RC_CHECK( rc, PDERROR, "Failed to get user, rc: %d", rc ) ;
}
rc = arg.getString( 2, passwd ) ;
if ( rc && SDB_OUT_OF_BOUND != rc )
{
detail = BSON( SPT_ERR << "password must be string" ) ;
PD_RC_CHECK( rc, PDERROR, "Failed to get password, rc: %d", rc ) ;
}
rc = arg.getNative( 3, (void*)&port, SPT_NATIVE_INT32 ) ;
if ( rc && SDB_OUT_OF_BOUND != rc )
{
detail = BSON( SPT_ERR << "port must be uint or int" ) ;
PD_RC_CHECK( rc, PDERROR, "Failed to get port, rc: %d", rc ) ;
}
_session = SDB_OSS_NEW _sptLibssh2Session( _host.c_str(),
_user.c_str(),
passwd.c_str(),
&port ) ;
if ( NULL == _session )
{
PD_LOG( PDERROR, "failed to allocate mem." ) ;
rc = SDB_OOM ;
goto error ;
}
rc = _session->open() ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to open ssh session:%d", rc ) ;
_session->getLastError( errmsg ) ;
goto error ;
}
_localIP = _session->getLocalIPAddr() ;
_peerIP = _session->getPeerIPAddr() ;
rval.addSelfProperty("_host")->setValue( _host ) ;
rval.addSelfProperty("_port")->setValue( port ) ;
rval.addSelfProperty("_usrname")->setValue( _user ) ;
done:
return rc ;
error:
SAFE_OSS_DELETE( _session ) ;
if ( detail.isEmpty() )
{
if ( !errmsg.empty() )
{
detail = BSON( SPT_ERR << errmsg ) ;
}
else
{
detail = BSON( SPT_ERR << "failed to ssh to specified host" ) ;
}
}
goto done ;
}
INT32 aggrProjectParser::addFunc( const CHAR *pAlias, const bson::BSONObj &funcObj,
const CHAR *pCLName, qgmOPFieldVec &selectorVec,
_qgmPtrTable *pTable )
{
INT32 rc = SDB_OK;
CHAR *pFuncBuf = NULL;
try
{
const CHAR *pFuncName = funcObj.firstElementFieldName();
PD_CHECK( AGGR_KEYWORD_PREFIX == pFuncName[0], SDB_INVALIDARG, error, PDERROR,
"failed to parse selector field(%s), function name must begin with \"$\"",
pFuncName );
const CHAR *pFuncParam = funcObj.firstElement().valuestr();
PD_CHECK( AGGR_KEYWORD_PREFIX == pFuncParam[0], SDB_INVALIDARG, error, PDERROR,
"failed to parse selector field(%s), parameter must begin with \"$\"",
pFuncParam );
qgmField slValAttr;
qgmField slValRelegation;
UINT32 nameLen = ossStrlen(&(pFuncName[1]));
UINT32 paramLen = ossStrlen(AGGR_CL_DEFAULT_ALIAS) + 1 + ossStrlen(&(pFuncParam[1]));
UINT32 curPos = 0;
pFuncBuf = ( CHAR * )SDB_OSS_MALLOC( nameLen + 3 + paramLen );
PD_CHECK( pFuncBuf != NULL, SDB_OOM, error, PDERROR,
"malloc failed(size=%d)", (nameLen + 3 + paramLen) );
ossStrcpy( pFuncBuf, &(pFuncName[1]) );
pFuncBuf[ nameLen ]='(';
curPos = nameLen + 1;
ossStrcpy( ( pFuncBuf + curPos), AGGR_CL_DEFAULT_ALIAS );
curPos += ossStrlen(AGGR_CL_DEFAULT_ALIAS);
pFuncBuf[ curPos ] = '.';
curPos += 1;
ossStrcpy( ( pFuncBuf + curPos ), &(pFuncParam[1]) );
curPos += ossStrlen(&(pFuncParam[1]));
pFuncBuf[ curPos ] = ')';
curPos += 1;
pFuncBuf[ curPos ] = 0;
rc = pTable->getOwnField( pFuncBuf, slValAttr );
PD_RC_CHECK( rc, PDERROR,
"failed to get the field(%s)",
pFuncBuf );
qgmDbAttr slVal( slValRelegation, slValAttr );
qgmField slAlias;
rc = pTable->getOwnField( pAlias, slAlias );
qgmOpField selector;
selector.alias = slAlias;
selector.value = slVal;
selector.type = SQL_GRAMMAR::FUNC;
selectorVec.push_back( selector );
}
catch ( std::exception &e )
{
PD_CHECK( SDB_INVALIDARG, SDB_INVALIDARG, error, PDERROR,
"failed to add function-field, received unexpected error:%s",
e.what() );
}
done:
if ( pFuncBuf != NULL )
{
SDB_OSS_FREE( pFuncBuf );
}
return rc;
error:
goto done;
}
void _sptInvoker::_reportError( JSContext *cx,
INT32 rc,
const bson::BSONObj &detail )
{
sdbSetErrno( rc ) ;
if ( SDB_OK != rc )
{
stringstream ss ;
BSONObjIterator itr( detail) ;
INT32 fieldNum = detail.nFields() ;
INT32 count = 0 ;
while ( itr.more() )
{
if ( count > 0 )
{
ss << ", " ;
}
BSONElement e = itr.next() ;
if ( fieldNum > 1 ||
0 != ossStrcmp( SPT_ERR, e.fieldName() ) )
{
ss << e.fieldName() << ": " ;
}
if ( String == e.type() )
{
ss << e.valuestr() ;
}
else if ( NumberInt == e.type() )
{
ss << e.numberInt() ;
}
else if ( NumberLong == e.type() )
{
ss << e.numberLong() ;
}
else if ( NumberDouble == e.type() )
{
ss << e.numberDouble() ;
}
else if ( Bool == e.type() )
{
ss << ( e.boolean() ? "true" : "false" ) ;
}
else
{
ss << e.toString( false, false ) ;
}
++count ;
}
sdbSetErrMsg( ss.str().c_str() ) ;
if ( sdbIsErrMsgEmpty() )
{
sdbSetErrMsg( getErrDesp( rc ) ) ;
}
JS_SetPendingException( cx , INT_TO_JSVAL( rc ) ) ;
}
else
{
sdbSetErrMsg( NULL ) ;
}
return ;
}
