bool setShardVersion(DBClientBase& conn,
const string& ns,
const string& configServerPrimary,
ChunkVersion version,
ChunkManager* manager,
bool authoritative,
BSONObj& result) {
BSONObjBuilder cmdBuilder;
cmdBuilder.append("setShardVersion", ns);
cmdBuilder.append("configdb", configServerPrimary);
Shard s = Shard::make(conn.getServerAddress());
cmdBuilder.append("shard", s.getName());
cmdBuilder.append("shardHost", s.getConnString());
if (ns.size() > 0) {
version.addToBSON(cmdBuilder);
}
else {
cmdBuilder.append("init", true);
}
if (authoritative) {
cmdBuilder.appendBool("authoritative", 1);
}
BSONObj cmd = cmdBuilder.obj();
LOG(1) << " setShardVersion " << s.getName() << " " << conn.getServerAddress()
<< " " << ns << " " << cmd
<< (manager ? string(str::stream() << " " << manager->getSequenceNumber()) : "");
return conn.runCommand("admin", cmd, result, 0);
}
bool LastError::appendSelf(BSONObjBuilder& b, bool blankErr) const {
if (!_valid) {
if (blankErr)
b.appendNull("err");
b.append("n", 0);
return false;
}
if (_msg.empty()) {
if (blankErr) {
b.appendNull("err");
}
} else {
b.append("err", _msg);
}
if (_code) {
b.append("code", _code);
b.append("codeName", ErrorCodes::errorString(ErrorCodes::Error(_code)));
}
if (_updatedExisting != NotUpdate)
b.appendBool("updatedExisting", _updatedExisting == True);
if (!_upsertedId.isEmpty()) {
b.append(_upsertedId[kUpsertedFieldName]);
}
b.appendNumber("n", _nObjects);
return !_msg.empty();
}
bool run(const string& dbname, BSONObj& jsobj, string& errmsg, BSONObjBuilder& result, bool fromRepl ) {
result << "version" << versionString << "gitVersion" << gitVersion() << "sysInfo" << sysInfo();
result << "bits" << ( sizeof( int* ) == 4 ? 32 : 64 );
result.appendBool( "debug" , debug );
result.appendNumber("maxBsonObjectSize", BSONObjMaxUserSize);
return true;
}
bool DBClientWithCommands::ensureIndex( const string &ns , BSONObj keys , bool unique, const string & name ) {
BSONObjBuilder toSave;
toSave.append( "ns" , ns );
toSave.append( "key" , keys );
string cacheKey(ns);
cacheKey += "--";
if ( name != "" ) {
toSave.append( "name" , name );
cacheKey += name;
}
else {
string nn = genIndexName( keys );
toSave.append( "name" , nn );
cacheKey += nn;
}
if ( unique )
toSave.appendBool( "unique", unique );
if ( _seenIndexes.count( cacheKey ) )
return 0;
_seenIndexes.insert( cacheKey );
insert( Namespace( ns.c_str() ).getSisterNS( "system.indexes" ).c_str() , toSave.obj() );
return 1;
}
BSONObj listFiles(const BSONObj& args){
uassert( "need to specify 1 argument to listFiles" , args.nFields() == 1 );
BSONObjBuilder lst;
string rootname = args.firstElement().valuestrsafe();
path root( rootname );
directory_iterator end;
directory_iterator i( root);
int num =0;
while ( i != end ){
path p = *i;
BSONObjBuilder b;
b << "name" << p.string();
b.appendBool( "isDirectory", is_directory( p ) );
stringstream ss;
ss << num;
string name = ss.str();
lst.append( name.c_str(), b.done() );
num++;
i++;
}
BSONObjBuilder ret;
ret.appendArray( "", lst.done() );
return ret.obj();
}
bool checkConfigOrInit( const string& configdb , bool authoritative , string& errmsg , BSONObjBuilder& result , bool locked=false ) const {
if ( configdb.size() == 0 ) {
errmsg = "no configdb";
return false;
}
if ( shardingState.enabled() ) {
if ( configdb == shardingState.getConfigServer() )
return true;
result.append( "configdb" , BSON( "stored" << shardingState.getConfigServer() <<
"given" << configdb ) );
errmsg = "specified a different configdb!";
return false;
}
if ( ! authoritative ) {
result.appendBool( "need_authoritative" , true );
errmsg = "first setShardVersion";
return false;
}
if ( locked ) {
shardingState.enable( configdb );
configServer.init( configdb );
return true;
}
dblock lk;
return checkConfigOrInit( configdb , authoritative , errmsg , result , true );
}
void KVCatalog::FeatureTracker::putInfo(OperationContext* opCtx, const FeatureBits& versionInfo) {
BSONObjBuilder bob;
bob.appendBool(kIsFeatureDocumentFieldName, true);
// We intentionally include the "ns" field with a null value in the feature document to prevent
// older versions that do 'obj["ns"].String()' from starting up. This way only versions that are
// aware of the feature document's existence can successfully start up.
bob.appendNull(kNamespaceFieldName);
bob.append(kNonRepairableFeaturesFieldName,
static_cast<long long>(versionInfo.nonRepairableFeatures));
bob.append(kRepairableFeaturesFieldName,
static_cast<long long>(versionInfo.repairableFeatures));
BSONObj obj = bob.done();
if (_rid.isNull()) {
// This is the first time a feature is being marked as in-use or not in-use, so we must
// insert the feature document rather than update it.
const bool enforceQuota = false;
// TODO SERVER-30638: using timestamp 0 for these inserts
auto rid = _catalog->_rs->insertRecord(
opCtx, obj.objdata(), obj.objsize(), Timestamp(), enforceQuota);
fassert(40113, rid.getStatus());
_rid = rid.getValue();
} else {
const bool enforceQuota = false;
UpdateNotifier* notifier = nullptr;
auto status = _catalog->_rs->updateRecord(
opCtx, _rid, obj.objdata(), obj.objsize(), enforceQuota, notifier);
fassert(40114, status);
}
}
bool run(const string& , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool) {
BSONElement e = cmdObj.firstElement();
if ( e.type() != jstOID ) {
errmsg = "need oid as first value";
return 0;
}
// get the command issuer's (a mongos) serverID
const OID id = e.__oid();
// the command issuer is blocked awaiting a response
// we want to do return at least at every 5 minutes so sockets don't timeout
BSONObj z;
if ( writeBackManager.getWritebackQueue(id.str())->queue.blockingPop( z, 5 * 60 /* 5 minutes */ ) ) {
MONGO_LOG(1) << "WriteBackCommand got : " << z << endl;
result.append( "data" , z );
}
else {
result.appendBool( "noop" , true );
}
#ifdef _DEBUG
// Sleep a short amount of time usually
int sleepFor = rand() % 10;
sleepmillis( sleepFor );
// Sleep a longer amount of time every once and awhile
int sleepLong = rand() % 50;
if( sleepLong == 0 ) sleepsecs( 2 );
#endif
return true;
}
bool Database::setProfilingLevel( int newLevel , string& errmsg ) {
if ( profile == newLevel )
return true;
if ( newLevel < 0 || newLevel > 2 ) {
errmsg = "profiling level has to be >=0 and <= 2";
return false;
}
if ( newLevel == 0 ) {
profile = 0;
return true;
}
assert( cc().database() == this );
if ( ! namespaceIndex.details( profileName.c_str() ) ) {
log() << "creating profile collection: " << profileName << endl;
BSONObjBuilder spec;
spec.appendBool( "capped", true );
spec.append( "size", 131072.0 );
if ( ! userCreateNS( profileName.c_str(), spec.done(), errmsg , false /* we don't replica profile messages */ ) ) {
return false;
}
}
profile = newLevel;
return true;
}
bool run(const string& , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool) {
string ns = cmdObj["getShardVersion"].valuestrsafe();
if ( ns.size() == 0 ) {
errmsg = "need to specify full namespace";
return false;
}
result.append( "configServer" , shardingState.getConfigServer() );
result.appendTimestamp( "global" , shardingState.getVersion(ns).toLong() );
ShardedConnectionInfo* info = ShardedConnectionInfo::get( false );
result.appendBool( "inShardedMode" , info != 0 );
if ( info )
result.appendTimestamp( "mine" , info->getVersion(ns).toLong() );
else
result.appendTimestamp( "mine" , 0 );
if ( cmdObj["fullMetadata"].trueValue() ) {
CollectionMetadataPtr metadata = shardingState.getCollectionMetadata( ns );
if ( metadata ) result.append( "metadata", metadata->toBSON() );
else result.append( "metadata", BSONObj() );
}
return true;
}
bool checkConfigOrInit( const string& configdb , bool authoritative , string& errmsg , BSONObjBuilder& result , bool locked=false ) const {
if ( configdb.size() == 0 ) {
errmsg = "no configdb";
return false;
}
if ( shardingState.enabled() ) {
if ( configdb == shardingState.getConfigServer() )
return true;
result.append( "configdb" , BSON( "stored" << shardingState.getConfigServer() <<
"given" << configdb ) );
errmsg = str::stream() << "mongos specified a different config database string : "
<< "stored : " << shardingState.getConfigServer()
<< " vs given : " << configdb;
return false;
}
if ( ! authoritative ) {
result.appendBool( "need_authoritative" , true );
errmsg = "first setShardVersion";
return false;
}
if ( locked ) {
ShardedConnectionInfo::addHook();
shardingState.enable( configdb );
configServer.init( configdb );
return true;
}
Lock::GlobalWrite lk;
return checkConfigOrInit( configdb , authoritative , errmsg , result , true );
}
void DBConfig::serialize(BSONObjBuilder& to){
to.append("name", _name);
to.appendBool("partitioned", _shardingEnabled );
to.append("primary", _primary );
if ( _sharded.size() > 0 ){
BSONObjBuilder a;
for ( map<string,CollectionInfo>::reverse_iterator i=_sharded.rbegin(); i != _sharded.rend(); i++){
BSONObjBuilder temp;
temp.append( "key" , i->second.key.key() );
temp.appendBool( "unique" , i->second.unique );
a.append( i->first.c_str() , temp.obj() );
}
to.append( "sharded" , a.obj() );
}
}
void Chunk::pickMedianKey(BSONObj& medianKey) const {
// Ask the mongod holding this chunk to figure out the split points.
ScopedDbConnection conn(_getShardConnectionString());
BSONObj result;
BSONObjBuilder cmd;
cmd.append("splitVector", _manager->getns());
cmd.append("keyPattern", _manager->getShardKeyPattern().toBSON());
cmd.append("min", getMin());
cmd.append("max", getMax());
cmd.appendBool("force", true);
BSONObj cmdObj = cmd.obj();
if (!conn->runCommand("admin", cmdObj, result)) {
conn.done();
ostringstream os;
os << "splitVector command (median key) failed: " << result;
uassert(13503, os.str(), 0);
}
BSONObjIterator it(result.getObjectField("splitKeys"));
if (it.more()) {
medianKey = it.next().Obj().getOwned();
}
conn.done();
}
void Helpers::ensureIndex(const char *ns, BSONObj keyPattern, bool unique, const char *name) {
NamespaceDetails *d = nsdetails(ns);
if( d == 0 )
return;
{
NamespaceDetails::IndexIterator i = d->ii();
while( i.more() ) {
if( i.next().keyPattern().woCompare(keyPattern) == 0 )
return;
}
}
if( d->nIndexes >= NamespaceDetails::NIndexesMax ) {
problem() << "Helper::ensureIndex fails, MaxIndexes exceeded " << ns << '\n';
return;
}
string system_indexes = cc().database()->name + ".system.indexes";
BSONObjBuilder b;
b.append("name", name);
b.append("ns", ns);
b.append("key", keyPattern);
b.appendBool("unique", unique);
BSONObj o = b.done();
theDataFileMgr.insert(system_indexes.c_str(), o.objdata(), o.objsize());
}
bool handlePossibleShardedMessage( Message &m, DbResponse &dbresponse ){
if ( shardConfigServer.empty() ){
return false;
}
int op = m.data->operation();
if ( op < 2000 || op >= 3000 )
return false;
const char *ns = m.data->_data + 4;
string errmsg;
if ( shardVersionOk( ns , errmsg ) ){
return false;
}
log() << "shardVersionOk failed ns:" << ns << " " << errmsg << endl;
if ( doesOpGetAResponse( op ) ){
BufBuilder b( 32768 );
b.skip( sizeof( QueryResult ) );
{
BSONObj obj = BSON( "$err" << errmsg );
b.append( obj.objdata() , obj.objsize() );
}
QueryResult *qr = (QueryResult*)b.buf();
qr->_resultFlags() = QueryResult::ResultFlag_ErrSet | QueryResult::ResultFlag_ShardConfigStale;
qr->len = b.len();
qr->setOperation( opReply );
qr->cursorId = 0;
qr->startingFrom = 0;
qr->nReturned = 1;
b.decouple();
Message * resp = new Message();
resp->setData( qr , true );
dbresponse.response = resp;
dbresponse.responseTo = m.data->id;
return true;
}
OID * clientID = clientServerIds.get();
massert( 10422 , "write with bad shard config and no server id!" , clientID );
log() << "got write with an old config - writing back" << endl;
BSONObjBuilder b;
b.appendBool( "writeBack" , true );
b.append( "ns" , ns );
b.appendBinData( "msg" , m.data->len , bdtCustom , (char*)(m.data) );
log() << "writing back msg with len: " << m.data->len << " op: " << m.data->_operation << endl;
clientQueues[clientID->str()]->push( b.obj() );
return true;
}
void append( BSONObjBuilder& b , string name , jsval val , BSONType oldType = EOO , int depth=0 ) {
//cout << "name: " << name << "\t" << typeString( val ) << " oldType: " << oldType << endl;
switch ( JS_TypeOfValue( _context , val ) ) {
case JSTYPE_VOID:
b.appendUndefined( name.c_str() );
break;
case JSTYPE_NULL:
b.appendNull( name.c_str() );
break;
case JSTYPE_NUMBER: {
double d = toNumber( val );
if ( oldType == NumberInt && ((int)d) == d )
b.append( name.c_str() , (int)d );
else
b.append( name.c_str() , d );
break;
}
case JSTYPE_STRING:
b.append( name.c_str() , toString( val ) );
break;
case JSTYPE_BOOLEAN:
b.appendBool( name.c_str() , toBoolean( val ) );
break;
case JSTYPE_OBJECT: {
JSObject * o = JSVAL_TO_OBJECT( val );
if ( ! o || o == JSVAL_NULL ) {
b.appendNull( name.c_str() );
}
else if ( ! appendSpecialDBObject( this , b , name , val , o ) ) {
BSONObj sub = toObject( o , depth );
if ( JS_IsArrayObject( _context , o ) ) {
b.appendArray( name.c_str() , sub );
}
else {
b.append( name.c_str() , sub );
}
}
break;
}
case JSTYPE_FUNCTION: {
string s = toString(val);
if ( s[0] == '/' ) {
appendRegex( b , name , s );
}
else {
b.appendCode( name.c_str() , getFunctionCode( val ).c_str() );
}
break;
}
default:
uassert( 10217 , (string)"can't append field. name:" + name + " type: " + typeString( val ) , 0 );
}
}
void a(){
BSONObjBuilder b;
b << "_id" << "abc";
b.appendBool( "partitioned" , true );
b << "primary" << "myserver";
DBConfig c;
testInOut( c , b.obj() );
}
Status createIndex(OperationContext* opCtx, StringData ns, const BSONObj& keys, bool unique) {
BSONObjBuilder specBuilder;
specBuilder.append("name", DBClientBase::genIndexName(keys));
specBuilder.append("ns", ns);
specBuilder.append("key", keys);
specBuilder.append("v", static_cast<int>(kIndexVersion));
if (unique) {
specBuilder.appendBool("unique", true);
}
return createIndexFromSpec(opCtx, ns, specBuilder.done());
}
virtual bool _split( BSONObjBuilder& result , string& errmsg , const string& ns , ChunkManagerPtr manager , ChunkPtr old , BSONObj middle ){
result << "shardinfo" << old->toString();
result.appendBool( "auto" , middle.isEmpty() );
if ( middle.isEmpty() )
middle = old->pickSplitPoint();
result.append( "middle" , middle );
return true;
}
void DBConfig::serialize(BSONObjBuilder& to) {
to.append("name", _name);
to.appendBool("partitioned", _partitioned );
to.append("primary", _primary );
if ( _sharded.size() > 0 ) {
BSONObjBuilder a;
for ( map<string,ShardKeyPattern>::reverse_iterator i=_sharded.rbegin(); i != _sharded.rend(); i++) {
a.append( i->first.c_str() , i->second.key() );
}
to.append( "sharded" , a.obj() );
}
}
bool VersionManager::initShardVersionCB( DBClientBase * conn_in, BSONObj& result ){
WriteBackListener::init( *conn_in );
DBClientBase* conn = getVersionable( conn_in );
verify( conn ); // errors thrown above
BSONObjBuilder cmdBuilder;
cmdBuilder.append( "setShardVersion" , "" );
cmdBuilder.appendBool( "init", true );
cmdBuilder.append( "configdb" , configServer.modelServer() );
cmdBuilder.appendOID( "serverID" , &serverID );
cmdBuilder.appendBool( "authoritative" , true );
BSONObj cmd = cmdBuilder.obj();
LOG(1) << "initializing shard connection to " << conn->toString() << endl;
LOG(2) << "initial sharding settings : " << cmd << endl;
bool ok = conn->runCommand( "admin",
cmd,
result,
0,
&AuthenticationTable::getInternalSecurityAuthenticationTable() );
// HACK for backwards compatibility with v1.8.x, v2.0.0 and v2.0.1
// Result is false, but will still initialize serverID and configdb
if( ! ok && ! result["errmsg"].eoo() && ( result["errmsg"].String() == "need to specify namespace"/* 2.0.1/2 */ ||
result["errmsg"].String() == "need to speciy namespace" /* 1.8 */ ))
{
ok = true;
}
LOG(3) << "initial sharding result : " << result << endl;
return ok;
}
bool run(OperationContext* txn,
const string& dbname,
BSONObj& jsobj,
int,
string& errmsg,
BSONObjBuilder& result) {
vector<string> dbNames;
StorageEngine* storageEngine = getGlobalServiceContext()->getGlobalStorageEngine();
{
ScopedTransaction transaction(txn, MODE_IS);
Lock::GlobalLock lk(txn->lockState(), MODE_IS, UINT_MAX);
storageEngine->listDatabases(&dbNames);
}
vector<BSONObj> dbInfos;
set<string> seen;
intmax_t totalSize = 0;
for (vector<string>::iterator i = dbNames.begin(); i != dbNames.end(); ++i) {
const string& dbname = *i;
BSONObjBuilder b;
b.append("name", dbname);
{
ScopedTransaction transaction(txn, MODE_IS);
Lock::DBLock dbLock(txn->lockState(), dbname, MODE_IS);
Database* db = dbHolder().get(txn, dbname);
if (!db)
continue;
const DatabaseCatalogEntry* entry = db->getDatabaseCatalogEntry();
invariant(entry);
int64_t size = entry->sizeOnDisk(txn);
b.append("sizeOnDisk", static_cast<double>(size));
totalSize += size;
b.appendBool("empty", entry->isEmpty());
}
dbInfos.push_back(b.obj());
seen.insert(i->c_str());
}
result.append("databases", dbInfos);
result.append("totalSize", double(totalSize));
return true;
}
bool run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl ) {
string ns = dbname + "." + cmdObj.firstElement().valuestrsafe();
NamespaceString ns_string(ns);
const bool full = cmdObj["full"].trueValue();
const bool scanData = full || cmdObj["scandata"].trueValue();
if ( !ns_string.isNormal() && full ) {
errmsg = "Can only run full validate on a regular collection";
return false;
}
if (!serverGlobalParams.quiet) {
MONGO_TLOG(0) << "CMD: validate " << ns << endl;
}
Client::ReadContext ctx(ns_string.ns());
Database* db = cc().database();
if ( !db ) {
errmsg = "database not found";
return false;
}
Collection* collection = db->getCollection( ns );
if ( !collection ) {
errmsg = "collection not found";
return false;
}
result.append( "ns", ns );
ValidateResults results;
Status status = collection->validate( full, scanData, &results, &result );
if ( !status.isOK() )
return appendCommandStatus( result, status );
result.appendBool("valid", results.valid);
result.append("errors", results.errors);
if ( !full ){
result.append("warning", "Some checks omitted for speed. use {full:true} option to do more thorough scan.");
}
if ( !results.valid ) {
result.append("advice", "ns corrupt. See http://dochub.mongodb.org/core/data-recovery");
}
return true;
}
BSONObj removeFile(const BSONObj& args){
BSONElement e = oneArg(args);
bool found = false;
path root( args.firstElement().valuestrsafe() );
if ( boost::filesystem::exists( root ) ){
found = true;
boost::filesystem::remove_all( root );
}
BSONObjBuilder b;
b.appendBool( "removed" , found );
return b.obj();
}
void appendBuildInfo(BSONObjBuilder& result) {
result << "version" << versionString
<< "gitVersion" << gitVersion()
<< "sysInfo" << sysInfo()
<< "loaderFlags" << loaderFlags()
<< "compilerFlags" << compilerFlags()
<< "allocator" << allocator()
<< "versionArray" << versionArray
<< "javascriptEngine" << compiledJSEngine()
/*TODO: add this back once the module system is in place -- maybe once we do something like serverstatus with callbacks*/
// << "interpreterVersion" << globalScriptEngine->getInterpreterVersionString()
<< "bits" << ( sizeof( int* ) == 4 ? 32 : 64 );
result.appendBool( "debug" , debug );
result.appendNumber("maxBsonObjectSize", BSONObjMaxUserSize);
}
void DBConfig::CollectionInfo::save( const string& ns , DBClientBase* conn ) {
BSONObj key = BSON( "_id" << ns );
BSONObjBuilder val;
val.append( "_id" , ns );
val.appendDate( "lastmod" , time(0) );
val.appendBool( "dropped" , _dropped );
if ( _cm )
_cm->getInfo( val );
conn->update( ShardNS::collection , key , val.obj() , true );
string err = conn->getLastError();
uassert( 13473 , (string)"failed to save collection (" + ns + "): " + err , err.size() == 0 );
_dirty = false;
}
BSONObj buildOpMergeChunk(const ChunkType& mergedChunk) {
BSONObjBuilder opB;
// Op basics
opB.append("op", "u");
opB.appendBool("b", false); // no upserting
opB.append("ns", ChunkType::ConfigNS);
// New object
opB.append("o", mergedChunk.toBSON());
// Query object
opB.append("o2", BSON(ChunkType::name(mergedChunk.getName())));
return opB.obj();
}
bool run(const std::string& dbname,
BSONObj& jsobj,
int, // options
std::string& errmsg,
BSONObjBuilder& result,
bool fromRepl) {
result << "version" << versionString
<< "gitVersion" << gitVersion()
<< "sysInfo" << sysInfo()
<< "versionArray" << versionArray
<< "interpreterVersion" << globalScriptEngine->getInterpreterVersionString()
<< "bits" << ( sizeof( int* ) == 4 ? 32 : 64 );
result.appendBool( "debug" , debug );
result.appendNumber("maxBsonObjectSize", BSONObjMaxUserSize);
return true;
}
bool DBClientBase::ensureIndex( const string &ns , BSONObj keys , bool unique, const string & name ) {
BSONObjBuilder toSave;
toSave.append( "ns" , ns );
toSave.append( "key" , keys );
string cacheKey(ns);
cacheKey += "--";
if ( name != "" ) {
toSave.append( "name" , name );
cacheKey += name;
}
else {
stringstream ss;
bool first = 1;
for ( BSONObjIterator i(keys); i.more(); ) {
BSONElement f = i.next();
if ( first )
first = 0;
else
ss << "_";
ss << f.fieldName() << "_";
if ( f.type() == NumberInt )
ss << (int)(f.number() );
else if ( f.type() == NumberDouble )
ss << f.number();
}
toSave.append( "name" , ss.str() );
cacheKey += ss.str();
}
if ( unique )
toSave.appendBool( "unique", unique );
if ( _seenIndexes.count( cacheKey ) )
return 0;
_seenIndexes.insert( cacheKey );
insert( Namespace( ns.c_str() ).getSisterNS( "system.indexes" ).c_str() , toSave.obj() );
return 1;
}
BSONObj listFiles(const BSONObj& _args){
static BSONObj cd = BSON( "0" << "." );
BSONObj args = _args.isEmpty() ? cd : _args;
uassert( 10257 , "need to specify 1 argument to listFiles" , args.nFields() == 1 );
BSONObjBuilder lst;
string rootname = args.firstElement().valuestrsafe();
path root( rootname );
stringstream ss;
ss << "listFiles: no such directory: " << rootname;
string msg = ss.str();
uassert( 12581, msg.c_str(), boost::filesystem::exists( root ) );
directory_iterator end;
directory_iterator i( root);
int num =0;
while ( i != end ){
path p = *i;
BSONObjBuilder b;
b << "name" << p.string();
b.appendBool( "isDirectory", is_directory( p ) );
if ( ! is_directory( p ) ){
try {
b.append( "size" , (double)file_size( p ) );
}
catch ( ... ){
i++;
continue;
}
}
stringstream ss;
ss << num;
string name = ss.str();
lst.append( name, b.done() );
num++;
i++;
}
BSONObjBuilder ret;
ret.appendArray( "", lst.done() );
return ret.obj();
}