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sm_db.cpp
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sm_db.cpp
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// sm_db.cpp
/* 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.
*/
// hacked in right now from engine_spidermonkey.cpp
#include "../client/syncclusterconnection.h"
#include "../util/base64.h"
#include "../util/text.h"
#include "../util/hex.h"
#if( BOOST_VERSION >= 104200 )
//#include <boost/uuid/uuid.hpp>
#define HAVE_UUID 1
#else
;
#endif
namespace mongo {
bool haveLocalShardingInfo( const string& ns );
// ------------ some defs needed ---------------
JSObject * doCreateCollection( JSContext * cx , JSObject * db , const string& shortName );
// ------------ utils ------------------
bool isSpecialName( const string& name ){
static set<string> names;
if ( names.size() == 0 ){
names.insert( "tojson" );
names.insert( "toJson" );
names.insert( "toString" );
}
if ( name.length() == 0 )
return false;
if ( name[0] == '_' )
return true;
return names.count( name ) > 0;
}
// ------ cursor ------
class CursorHolder {
public:
CursorHolder( auto_ptr< DBClientCursor > &cursor, const shared_ptr< DBClientWithCommands > &connection ) :
connection_( connection ),
cursor_( cursor ) {
assert( cursor_.get() );
}
DBClientCursor *get() const { return cursor_.get(); }
private:
shared_ptr< DBClientWithCommands > connection_;
auto_ptr< DBClientCursor > cursor_;
};
DBClientCursor *getCursor( JSContext *cx, JSObject *obj ) {
CursorHolder * holder = (CursorHolder*)JS_GetPrivate( cx , obj );
uassert( 10235 , "no cursor!" , holder );
return holder->get();
}
JSBool internal_cursor_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
uassert( 10236 , "no args to internal_cursor_constructor" , argc == 0 );
assert( JS_SetPrivate( cx , obj , 0 ) ); // just for safety
return JS_TRUE;
}
void internal_cursor_finalize( JSContext * cx , JSObject * obj ){
CursorHolder * holder = (CursorHolder*)JS_GetPrivate( cx , obj );
if ( holder ){
delete holder;
assert( JS_SetPrivate( cx , obj , 0 ) );
}
}
JSBool internal_cursor_hasNext(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
DBClientCursor *cursor = getCursor( cx, obj );
try {
*rval = cursor->more() ? JSVAL_TRUE : JSVAL_FALSE;
}
catch ( std::exception& e ){
JS_ReportError( cx , e.what() );
return JS_FALSE;
}
return JS_TRUE;
}
JSBool internal_cursor_objsLeftInBatch(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
DBClientCursor *cursor = getCursor( cx, obj );
Convertor c(cx);
*rval = c.toval((double) cursor->objsLeftInBatch() );
return JS_TRUE;
}
JSBool internal_cursor_next(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
DBClientCursor *cursor = getCursor( cx, obj );
BSONObj n;
try {
if ( ! cursor->more() ){
JS_ReportError( cx , "cursor at the end" );
return JS_FALSE;
}
n = cursor->next();
}
catch ( std::exception& e ){
JS_ReportError( cx , e.what() );
return JS_FALSE;
}
Convertor c(cx);
*rval = c.toval( &n );
return JS_TRUE;
}
JSFunctionSpec internal_cursor_functions[] = {
{ "hasNext" , internal_cursor_hasNext , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "objsLeftInBatch" , internal_cursor_objsLeftInBatch , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "next" , internal_cursor_next , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
JSClass internal_cursor_class = {
"InternalCursor" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, internal_cursor_finalize,
JSCLASS_NO_OPTIONAL_MEMBERS
};
// ------ mongo stuff ------
JSBool mongo_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
uassert( 10237 , "mongo_constructor not implemented yet" , 0 );
throw -1;
}
JSBool mongo_local_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
shared_ptr< DBClientWithCommands > client( createDirectClient() );
assert( JS_SetPrivate( cx , obj , (void*)( new shared_ptr< DBClientWithCommands >( client ) ) ) );
jsval host = c.toval( "EMBEDDED" );
assert( JS_SetProperty( cx , obj , "host" , &host ) );
return JS_TRUE;
}
JSBool mongo_external_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
smuassert( cx , "0 or 1 args to Mongo" , argc <= 1 );
string host = "127.0.0.1";
if ( argc > 0 )
host = c.toString( argv[0] );
string errmsg;
ConnectionString cs = ConnectionString::parse( host , errmsg );
if ( ! cs.isValid() ){
JS_ReportError( cx , errmsg.c_str() );
return JS_FALSE;
}
shared_ptr< DBClientWithCommands > conn( cs.connect( errmsg ) );
if ( ! conn ){
JS_ReportError( cx , errmsg.c_str() );
return JS_FALSE;
}
ScriptEngine::runConnectCallback( *conn );
assert( JS_SetPrivate( cx , obj , (void*)( new shared_ptr< DBClientWithCommands >( conn ) ) ) );
jsval host_val = c.toval( host.c_str() );
assert( JS_SetProperty( cx , obj , "host" , &host_val ) );
return JS_TRUE;
}
DBClientWithCommands *getConnection( JSContext *cx, JSObject *obj ) {
shared_ptr< DBClientWithCommands > * connHolder = (shared_ptr< DBClientWithCommands >*)JS_GetPrivate( cx , obj );
uassert( 10239 , "no connection!" , connHolder && connHolder->get() );
return connHolder->get();
}
void mongo_finalize( JSContext * cx , JSObject * obj ){
shared_ptr< DBClientWithCommands > * connHolder = (shared_ptr< DBClientWithCommands >*)JS_GetPrivate( cx , obj );
if ( connHolder ){
delete connHolder;
assert( JS_SetPrivate( cx , obj , 0 ) );
}
}
JSClass mongo_class = {
"Mongo" , JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, mongo_finalize,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSBool mongo_find(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
smuassert( cx , "mongo_find needs 6 args" , argc == 6 );
shared_ptr< DBClientWithCommands > * connHolder = (shared_ptr< DBClientWithCommands >*)JS_GetPrivate( cx , obj );
smuassert( cx , "no connection!" , connHolder && connHolder->get() );
DBClientWithCommands *conn = connHolder->get();
Convertor c( cx );
string ns = c.toString( argv[0] );
BSONObj q = c.toObject( argv[1] );
BSONObj f = c.toObject( argv[2] );
int nToReturn = (int) c.toNumber( argv[3] );
int nToSkip = (int) c.toNumber( argv[4] );
bool slaveOk = c.getBoolean( obj , "slaveOk" );
int batchSize = (int) c.toNumber( argv[5] );
try {
auto_ptr<DBClientCursor> cursor = conn->query( ns , q , nToReturn , nToSkip , f.nFields() ? &f : 0 , slaveOk ? QueryOption_SlaveOk : 0 , batchSize );
if ( ! cursor.get() ){
log() << "query failed : " << ns << " " << q << " to: " << conn->toString() << endl;
JS_ReportError( cx , "error doing query: failed" );
return JS_FALSE;
}
JSObject * mycursor = JS_NewObject( cx , &internal_cursor_class , 0 , 0 );
CHECKNEWOBJECT( mycursor, cx, "internal_cursor_class" );
assert( JS_SetPrivate( cx , mycursor , new CursorHolder( cursor, *connHolder ) ) );
*rval = OBJECT_TO_JSVAL( mycursor );
return JS_TRUE;
}
catch ( ... ){
JS_ReportError( cx , "error doing query: unknown" );
return JS_FALSE;
}
}
JSBool mongo_update(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
smuassert( cx , "mongo_find needs at elast 3 args" , argc >= 3 );
smuassert( cx , "2nd param to update has to be an object" , JSVAL_IS_OBJECT( argv[1] ) );
smuassert( cx , "3rd param to update has to be an object" , JSVAL_IS_OBJECT( argv[2] ) );
Convertor c( cx );
if ( c.getBoolean( obj , "readOnly" ) ){
JS_ReportError( cx , "js db in read only mode - mongo_update" );
return JS_FALSE;
}
DBClientWithCommands * conn = getConnection( cx, obj );
uassert( 10245 , "no connection!" , conn );
string ns = c.toString( argv[0] );
bool upsert = argc > 3 && c.toBoolean( argv[3] );
bool multi = argc > 4 && c.toBoolean( argv[4] );
try {
conn->update( ns , c.toObject( argv[1] ) , c.toObject( argv[2] ) , upsert , multi );
return JS_TRUE;
}
catch ( ... ){
JS_ReportError( cx , "error doing update" );
return JS_FALSE;
}
}
JSBool mongo_insert(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
smuassert( cx , "mongo_insert needs 2 args" , argc == 2 );
smuassert( cx , "2nd param to insert has to be an object" , JSVAL_IS_OBJECT( argv[1] ) );
Convertor c( cx );
if ( c.getBoolean( obj , "readOnly" ) ){
JS_ReportError( cx , "js db in read only mode - mongo_insert" );
return JS_FALSE;
}
DBClientWithCommands * conn = getConnection( cx, obj );
uassert( 10248 , "no connection!" , conn );
string ns = c.toString( argv[0] );
BSONObj o = c.toObject( argv[1] );
// TODO: add _id
try {
conn->insert( ns , o );
return JS_TRUE;
}
catch ( std::exception& e ){
stringstream ss;
ss << "error doing insert:" << e.what();
string s = ss.str();
JS_ReportError( cx , s.c_str() );
return JS_FALSE;
}
catch ( ... ){
JS_ReportError( cx , "error doing insert" );
return JS_FALSE;
}
}
JSBool mongo_remove(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
smuassert( cx , "mongo_remove needs 2 or 3 arguments" , argc == 2 || argc == 3 );
smuassert( cx , "2nd param to insert has to be an object" , JSVAL_IS_OBJECT( argv[1] ) );
Convertor c( cx );
if ( c.getBoolean( obj , "readOnly" ) ){
JS_ReportError( cx , "js db in read only mode - mongo_remove" );
return JS_FALSE;
}
DBClientWithCommands * conn = getConnection( cx, obj );
uassert( 10251 , "no connection!" , conn );
string ns = c.toString( argv[0] );
BSONObj o = c.toObject( argv[1] );
bool justOne = false;
if ( argc > 2 )
justOne = c.toBoolean( argv[2] );
try {
conn->remove( ns , o , justOne );
return JS_TRUE;
}
catch ( ... ){
JS_ReportError( cx , "error doing remove" );
return JS_FALSE;
}
}
JSFunctionSpec mongo_functions[] = {
{ "find" , mongo_find , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "update" , mongo_update , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "insert" , mongo_insert , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "remove" , mongo_remove , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
// ------------- db_collection -------------
JSBool db_collection_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
smuassert( cx , "db_collection_constructor wrong args" , argc == 4 );
assert( JS_SetProperty( cx , obj , "_mongo" , &(argv[0]) ) );
assert( JS_SetProperty( cx , obj , "_db" , &(argv[1]) ) );
assert( JS_SetProperty( cx , obj , "_shortName" , &(argv[2]) ) );
assert( JS_SetProperty( cx , obj , "_fullName" , &(argv[3]) ) );
Convertor c(cx);
if ( haveLocalShardingInfo( c.toString( argv[3] ) ) ){
JS_ReportError( cx , "can't use sharded collection from db.eval" );
return JS_FALSE;
}
return JS_TRUE;
}
JSBool db_collection_resolve( JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **objp ){
if ( flags & JSRESOLVE_ASSIGNING )
return JS_TRUE;
Convertor c( cx );
string collname = c.toString( id );
if ( isSpecialName( collname ) )
return JS_TRUE;
if ( obj == c.getGlobalPrototype( "DBCollection" ) )
return JS_TRUE;
JSObject * proto = JS_GetPrototype( cx , obj );
if ( c.hasProperty( obj , collname.c_str() ) || ( proto && c.hasProperty( proto , collname.c_str() ) ) )
return JS_TRUE;
string name = c.toString( c.getProperty( obj , "_shortName" ) );
name += ".";
name += collname;
jsval db = c.getProperty( obj , "_db" );
if ( ! JSVAL_IS_OBJECT( db ) )
return JS_TRUE;
JSObject * coll = doCreateCollection( cx , JSVAL_TO_OBJECT( db ) , name );
if ( ! coll )
return JS_FALSE;
c.setProperty( obj , collname.c_str() , OBJECT_TO_JSVAL( coll ) );
*objp = obj;
return JS_TRUE;
}
JSClass db_collection_class = {
"DBCollection" , JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, (JSResolveOp)(&db_collection_resolve) , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSObject * doCreateCollection( JSContext * cx , JSObject * db , const string& shortName ){
Convertor c(cx);
assert( c.hasProperty( db , "_mongo" ) );
assert( c.hasProperty( db , "_name" ) );
JSObject * coll = JS_NewObject( cx , &db_collection_class , 0 , 0 );
CHECKNEWOBJECT( coll, cx, "doCreateCollection" );
c.setProperty( coll , "_mongo" , c.getProperty( db , "_mongo" ) );
c.setProperty( coll , "_db" , OBJECT_TO_JSVAL( db ) );
c.setProperty( coll , "_shortName" , c.toval( shortName.c_str() ) );
string name = c.toString( c.getProperty( db , "_name" ) );
name += "." + shortName;
c.setProperty( coll , "_fullName" , c.toval( name.c_str() ) );
if ( haveLocalShardingInfo( name ) ){
JS_ReportError( cx , "can't use sharded collection from db.eval" );
return 0;
}
return coll;
}
// -------------- DB ---------------
JSBool db_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
smuassert( cx, "wrong number of arguments to DB" , argc == 2 );
assert( JS_SetProperty( cx , obj , "_mongo" , &(argv[0]) ) );
assert( JS_SetProperty( cx , obj , "_name" , &(argv[1]) ) );
return JS_TRUE;
}
JSBool db_resolve( JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **objp ){
if ( flags & JSRESOLVE_ASSIGNING )
return JS_TRUE;
Convertor c( cx );
if ( obj == c.getGlobalPrototype( "DB" ) )
return JS_TRUE;
string collname = c.toString( id );
if ( isSpecialName( collname ) )
return JS_TRUE;
JSObject * proto = JS_GetPrototype( cx , obj );
if ( proto && c.hasProperty( proto , collname.c_str() ) )
return JS_TRUE;
JSObject * coll = doCreateCollection( cx , obj , collname );
if ( ! coll )
return JS_FALSE;
c.setProperty( obj , collname.c_str() , OBJECT_TO_JSVAL( coll ) );
*objp = obj;
return JS_TRUE;
}
JSClass db_class = {
"DB" , JSCLASS_HAS_PRIVATE | JSCLASS_NEW_RESOLVE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, (JSResolveOp)(&db_resolve) , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
// -------------- object id -------------
JSBool object_id_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
OID oid;
if ( argc == 0 ){
oid.init();
}
else {
smuassert( cx , "object_id_constructor can't take more than 1 param" , argc == 1 );
string s = c.toString( argv[0] );
try {
Scope::validateObjectIdString( s );
} catch ( const MsgAssertionException &m ) {
static string error = m.toString();
JS_ReportError( cx, error.c_str() );
return JS_FALSE;
}
oid.init( s );
}
if ( ! JS_InstanceOf( cx , obj , &object_id_class , 0 ) ){
obj = JS_NewObject( cx , &object_id_class , 0 , 0 );
CHECKNEWOBJECT( obj, cx, "object_id_constructor" );
*rval = OBJECT_TO_JSVAL( obj );
}
jsval v = c.toval( oid.str().c_str() );
assert( JS_SetProperty( cx , obj , "str" , &v ) );
return JS_TRUE;
}
JSClass object_id_class = {
"ObjectId" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSBool object_id_tostring(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
return (JSBool) (*rval = c.getProperty( obj , "str" ));
}
JSFunctionSpec object_id_functions[] = {
{ "toString" , object_id_tostring , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
// dbpointer
JSBool dbpointer_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
if ( argc == 2 ){
if ( ! JSVAL_IS_OID( argv[1] ) ){
JS_ReportError( cx , "2nd arg to DBPointer needs to be oid" );
return JS_FALSE;
}
assert( JS_SetProperty( cx , obj , "ns" , &(argv[0]) ) );
assert( JS_SetProperty( cx , obj , "id" , &(argv[1]) ) );
return JS_TRUE;
}
else {
JS_ReportError( cx , "DBPointer needs 2 arguments" );
return JS_FALSE;
}
}
JSClass dbpointer_class = {
"DBPointer" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSFunctionSpec dbpointer_functions[] = {
{ 0 }
};
JSBool dbref_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
if ( argc == 2 ){
JSObject * o = JS_NewObject( cx , NULL , NULL, NULL );
CHECKNEWOBJECT( o, cx, "dbref_constructor" );
assert( JS_SetProperty( cx, o , "$ref" , &argv[ 0 ] ) );
assert( JS_SetProperty( cx, o , "$id" , &argv[ 1 ] ) );
BSONObj bo = c.toObject( o );
assert( JS_SetPrivate( cx , obj , (void*)(new BSONHolder( bo.getOwned() ) ) ) );
return JS_TRUE;
}
else {
JS_ReportError( cx , "DBRef needs 2 arguments" );
assert( JS_SetPrivate( cx , obj , (void*)(new BSONHolder( BSONObj().getOwned() ) ) ) );
return JS_FALSE;
}
}
JSClass dbref_class = bson_class; // name will be fixed later
// UUID **************************
JSBool uuid_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
if( argc == 0 ) {
#if defined(HAVE_UUID)
//uuids::uuid
#else
#endif
JS_ReportError( cx , "UUID needs 1 argument -- UUID(hexstr)" );
return JS_FALSE;
}
else if ( argc == 1 ) {
string encoded = c.toString( argv[ 0 ] );
if( encoded.size() != 32 ) {
JS_ReportError( cx, "expect 32 char hex string to UUID()" );
return JS_FALSE;
}
char buf[16];
for( int i = 0; i < 16; i++ ) {
buf[i] = fromHex(encoded.c_str() + i * 2);
}
assert( JS_SetPrivate( cx, obj, new BinDataHolder( buf, 16 ) ) );
c.setProperty( obj, "len", c.toval( (double)16 ) );
c.setProperty( obj, "type", c.toval( (double)3 ) );
return JS_TRUE;
}
else {
JS_ReportError( cx , "UUID needs 1 argument -- UUID(hexstr)" );
return JS_FALSE;
}
}
JSBool uuid_tostring(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
void *holder = JS_GetPrivate( cx, obj );
assert( holder );
const char *data = ( ( BinDataHolder* )( holder ) )->c_;
stringstream ss;
ss << "UUID(\"" << toHex(data, 16);
ss << "\")";
string ret = ss.str();
return *rval = c.toval( ret.c_str() );
}
void uuid_finalize( JSContext * cx , JSObject * obj ){
Convertor c(cx);
void *holder = JS_GetPrivate( cx, obj );
if ( holder ){
delete ( BinDataHolder* )holder;
assert( JS_SetPrivate( cx , obj , 0 ) );
}
}
JSClass uuid_class = {
"UUID" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, uuid_finalize,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSFunctionSpec uuid_functions[] = {
{ "toString" , uuid_tostring , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
// BinData **************************
JSBool bindata_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
Convertor c( cx );
if ( argc == 2 ){
int type = (int)c.toNumber( argv[ 0 ] );
if( type < 0 || type > 255 ) {
JS_ReportError( cx , "invalid BinData subtype -- range is 0..255 see bsonspec.org" );
return JS_FALSE;
}
string encoded = c.toString( argv[ 1 ] );
string decoded;
try {
decoded = base64::decode( encoded );
}
catch(...) {
JS_ReportError(cx, "BinData could not decode base64 parameter");
return JS_FALSE;
}
assert( JS_SetPrivate( cx, obj, new BinDataHolder( decoded.data(), decoded.length() ) ) );
c.setProperty( obj, "len", c.toval( (double)decoded.length() ) );
c.setProperty( obj, "type", c.toval( (double)type ) );
return JS_TRUE;
}
else {
JS_ReportError( cx , "BinData needs 2 arguments -- BinData(subtype,data)" );
return JS_FALSE;
}
}
JSBool bindata_tostring(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
int type = (int)c.getNumber( obj , "type" );
int len = (int)c.getNumber( obj, "len" );
void *holder = JS_GetPrivate( cx, obj );
assert( holder );
const char *data = ( ( BinDataHolder* )( holder ) )->c_;
stringstream ss;
ss << "BinData(" << type << ",\"";
base64::encode( ss, (const char *)data, len );
ss << "\")";
string ret = ss.str();
return *rval = c.toval( ret.c_str() );
}
JSBool bindataBase64(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
int len = (int)c.getNumber( obj, "len" );
void *holder = JS_GetPrivate( cx, obj );
assert( holder );
const char *data = ( ( BinDataHolder* )( holder ) )->c_;
stringstream ss;
base64::encode( ss, (const char *)data, len );
string ret = ss.str();
return *rval = c.toval( ret.c_str() );
}
JSBool bindataAsHex(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
int len = (int)c.getNumber( obj, "len" );
void *holder = JS_GetPrivate( cx, obj );
assert( holder );
const char *data = ( ( BinDataHolder* )( holder ) )->c_;
stringstream ss;
ss << hex;
for( int i = 0; i < len; i++ ) {
unsigned v = (unsigned char) data[i];
ss << v;
}
string ret = ss.str();
return *rval = c.toval( ret.c_str() );
}
JSBool bindataLength(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
int len = (int)c.getNumber( obj, "len" );
return *rval = c.toval((double) len);
}
JSBool bindataSubtype(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
int t = (int)c.getNumber( obj, "type" );
return *rval = c.toval((double) t);
}
void bindata_finalize( JSContext * cx , JSObject * obj ){
Convertor c(cx);
void *holder = JS_GetPrivate( cx, obj );
if ( holder ){
delete ( BinDataHolder* )holder;
assert( JS_SetPrivate( cx , obj , 0 ) );
}
}
JSClass bindata_class = {
"BinData" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, bindata_finalize,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSFunctionSpec bindata_functions[] = {
{ "toString" , bindata_tostring , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "hex", bindataAsHex, 0, JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "base64", bindataBase64, 0, JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "length", bindataLength, 0, JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "subtype", bindataSubtype, 0, JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
// Map
bool specialMapString( const string& s ){
return s == "put" || s == "get" || s == "_get" || s == "values" || s == "_data" || s == "constructor" ;
}
JSBool map_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
if ( argc > 0 ){
JS_ReportError( cx , "Map takes no arguments" );
return JS_FALSE;
}
JSObject * array = JS_NewObject( cx , 0 , 0 , 0 );
CHECKNEWOBJECT( array, cx, "map_constructor" );
jsval a = OBJECT_TO_JSVAL( array );
JS_SetProperty( cx , obj , "_data" , &a );
return JS_TRUE;
}
JSBool map_prop( JSContext *cx, JSObject *obj, jsval idval, jsval *vp ){
Convertor c(cx);
if ( specialMapString( c.toString( idval ) ) )
return JS_TRUE;
log() << "illegal prop access: " << c.toString( idval ) << endl;
JS_ReportError( cx , "can't use array access with Map" );
return JS_FALSE;
}
JSClass map_class = {
"Map" , JSCLASS_HAS_PRIVATE ,
map_prop, JS_PropertyStub, map_prop, map_prop,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSFunctionSpec map_functions[] = {
{ 0 }
};
// -----
JSClass timestamp_class = {
"Timestamp" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSClass numberlong_class = {
"NumberLong" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSBool numberlong_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
smuassert( cx , "NumberLong needs 0 or 1 args" , argc == 0 || argc == 1 );
if ( ! JS_InstanceOf( cx , obj , &numberlong_class , 0 ) ){
obj = JS_NewObject( cx , &numberlong_class , 0 , 0 );
CHECKNEWOBJECT( obj, cx, "numberlong_constructor" );
*rval = OBJECT_TO_JSVAL( obj );
}
Convertor c( cx );
if ( argc == 0 ) {
c.setProperty( obj, "floatApprox", c.toval( 0.0 ) );
} else if ( JSVAL_IS_NUMBER( argv[ 0 ] ) ) {
c.setProperty( obj, "floatApprox", argv[ 0 ] );
} else {
string num = c.toString( argv[ 0 ] );
//PRINT(num);
const char *numStr = num.c_str();
long long n;
try {
n = parseLL( numStr );
//PRINT(n);
} catch ( const AssertionException & ) {
smuassert( cx , "could not convert string to long long" , false );
}
c.makeLongObj( n, obj );
}
return JS_TRUE;
}
JSBool numberlong_valueof(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
return *rval = c.toval( double( c.toNumberLongUnsafe( obj ) ) );
}
JSBool numberlong_tonumber(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
return numberlong_valueof( cx, obj, argc, argv, rval );
}
JSBool numberlong_tostring(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
Convertor c(cx);
stringstream ss;
long long val = c.toNumberLongUnsafe( obj );
const long long limit = 2LL << 30;
if ( val <= -limit || limit <= val )
ss << "NumberLong(\"" << val << "\")";
else
ss << "NumberLong(" << val << ")";
string ret = ss.str();
return *rval = c.toval( ret.c_str() );
}
JSFunctionSpec numberlong_functions[] = {
{ "valueOf" , numberlong_valueof , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "toNumber" , numberlong_tonumber , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ "toString" , numberlong_tostring , 0 , JSPROP_READONLY | JSPROP_PERMANENT, 0 } ,
{ 0 }
};
JSClass minkey_class = {
"MinKey" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
JSClass maxkey_class = {
"MaxKey" , JSCLASS_HAS_PRIVATE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
// dbquery
JSBool dbquery_constructor( JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval ){
smuassert( cx , "DDQuery needs at least 4 args" , argc >= 4 );
Convertor c(cx);
c.setProperty( obj , "_mongo" , argv[0] );
c.setProperty( obj , "_db" , argv[1] );
c.setProperty( obj , "_collection" , argv[2] );
c.setProperty( obj , "_ns" , argv[3] );
if ( argc > 4 && JSVAL_IS_OBJECT( argv[4] ) )
c.setProperty( obj , "_query" , argv[4] );
else {
JSObject * temp = JS_NewObject( cx , 0 , 0 , 0 );
CHECKNEWOBJECT( temp, cx, "dbquery_constructor" );
c.setProperty( obj , "_query" , OBJECT_TO_JSVAL( temp ) );
}
if ( argc > 5 && JSVAL_IS_OBJECT( argv[5] ) )
c.setProperty( obj , "_fields" , argv[5] );
else
c.setProperty( obj , "_fields" , JSVAL_NULL );
if ( argc > 6 && JSVAL_IS_NUMBER( argv[6] ) )
c.setProperty( obj , "_limit" , argv[6] );
else
c.setProperty( obj , "_limit" , JSVAL_ZERO );
if ( argc > 7 && JSVAL_IS_NUMBER( argv[7] ) )
c.setProperty( obj , "_skip" , argv[7] );
else
c.setProperty( obj , "_skip" , JSVAL_ZERO );
if ( argc > 8 && JSVAL_IS_NUMBER( argv[8] ) )
c.setProperty( obj , "_batchSize" , argv[8] );
else
c.setProperty( obj , "_batchSize" , JSVAL_ZERO );
c.setProperty( obj , "_cursor" , JSVAL_NULL );
c.setProperty( obj , "_numReturned" , JSVAL_ZERO );
c.setProperty( obj , "_special" , JSVAL_FALSE );
return JS_TRUE;
}
JSBool dbquery_resolve( JSContext *cx, JSObject *obj, jsval id, uintN flags, JSObject **objp ){
if ( flags & JSRESOLVE_ASSIGNING )
return JS_TRUE;
if ( ! JSVAL_IS_NUMBER( id ) )
return JS_TRUE;
jsval val = JSVAL_VOID;
assert( JS_CallFunctionName( cx , obj , "arrayAccess" , 1 , &id , &val ) );
Convertor c(cx);
c.setProperty( obj , c.toString( id ).c_str() , val );
*objp = obj;
return JS_TRUE;
}
JSClass dbquery_class = {
"DBQuery" , JSCLASS_NEW_RESOLVE ,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, (JSResolveOp)(&dbquery_resolve) , JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS
};
// ---- other stuff ----
void initMongoJS( SMScope * scope , JSContext * cx , JSObject * global , bool local ){
assert( JS_InitClass( cx , global , 0 , &mongo_class , local ? mongo_local_constructor : mongo_external_constructor , 0 , 0 , mongo_functions , 0 , 0 ) );
assert( JS_InitClass( cx , global , 0 , &object_id_class , object_id_constructor , 0 , 0 , object_id_functions , 0 , 0 ) );
assert( JS_InitClass( cx , global , 0 , &db_class , db_constructor , 2 , 0 , 0 , 0 , 0 ) );
assert( JS_InitClass( cx , global , 0 , &db_collection_class , db_collection_constructor , 4 , 0 , 0 , 0 , 0 ) );
assert( JS_InitClass( cx , global , 0 , &internal_cursor_class , internal_cursor_constructor , 0 , 0 , internal_cursor_functions , 0 , 0 ) );