本文整理汇总了C++中DBDirectClient类的典型用法代码示例。如果您正苦于以下问题：C++ DBDirectClient类的具体用法？C++ DBDirectClient怎么用？C++ DBDirectClient使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了DBDirectClient类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: logStartup
void logStartup() {
BSONObjBuilder toLog;
stringstream id;
id << getHostNameCached() << "-" << jsTime();
toLog.append( "_id", id.str() );
toLog.append( "hostname", getHostNameCached() );
toLog.appendTimeT( "startTime", time(0) );
toLog.append( "startTimeLocal", dateToCtimeString(curTimeMillis64()) );
toLog.append("cmdLine", serverGlobalParams.parsedOpts);
toLog.append( "pid", ProcessId::getCurrent().asLongLong() );
BSONObjBuilder buildinfo( toLog.subobjStart("buildinfo"));
appendBuildInfo(buildinfo);
buildinfo.doneFast();
BSONObj o = toLog.obj();
Lock::GlobalWrite lk;
DBDirectClient c;
const char* name = "local.startup_log";
c.createCollection( name, 10 * 1024 * 1024, true );
c.insert( name, o);
}示例2: query
void DocumentSourceCursor::sourceToBson(
BSONObjBuilder *pBuilder, bool explain) const {
/* this has no analog in the BSON world, so only allow it for explain */
if (explain)
{
BSONObj bsonObj;
pBuilder->append("query", *pQuery);
if (pSort.get())
{
pBuilder->append("sort", *pSort);
}
// construct query for explain
BSONObjBuilder queryBuilder;
queryBuilder.append("$query", *pQuery);
if (pSort.get())
queryBuilder.append("$orderby", *pSort);
queryBuilder.append("$explain", 1);
Query query(queryBuilder.obj());
DBDirectClient directClient;
BSONObj explainResult(directClient.findOne(ns, query));
pBuilder->append("cursor", explainResult);
}
}示例3: run
void run(){
Client::initThread( "slaveTracking" );
DBDirectClient db;
while ( ! inShutdown() ){
sleepsecs( 1 );
if ( ! _dirty )
continue;
writelock lk(NS);
list< pair<BSONObj,BSONObj> > todo;
{
scoped_lock mylk(_mutex);
for ( map<Ident,Info>::iterator i=_slaves.begin(); i!=_slaves.end(); i++ ){
BSONObjBuilder temp;
temp.appendTimestamp( "syncedTo" , i->second.loc[0].asDate() );
todo.push_back( pair<BSONObj,BSONObj>( i->first.obj.getOwned() ,
BSON( "$set" << temp.obj() ).getOwned() ) );
}
_slaves.clear();
}
for ( list< pair<BSONObj,BSONObj> >::iterator i=todo.begin(); i!=todo.end(); i++ ){
db.update( NS , i->first , i->second , true );
}
_dirty = false;
}
}示例4: run
void run() {
dblock lk;
const char *ns = "unittests.cursortests.BtreeCursorTests.MultiRangeGap";
{
DBDirectClient c;
for( int i = 0; i < 10; ++i )
c.insert( ns, BSON( "a" << i ) );
for( int i = 100; i < 110; ++i )
c.insert( ns, BSON( "a" << i ) );
ASSERT( c.ensureIndex( ns, BSON( "a" << 1 ) ) );
}
int v[] = { -50, 2, 40, 60, 109, 200 };
boost::shared_ptr< FieldRangeVector > frv( vec( v, 6 ) );
Client::Context ctx( ns );
scoped_ptr<BtreeCursor> _c( BtreeCursor::make(nsdetails( ns ), 1, nsdetails( ns )->idx(1), frv, 1 ) );
BtreeCursor &c = *_c.get();
ASSERT_EQUALS( "BtreeCursor a_1 multi", c.toString() );
double expected[] = { 0, 1, 2, 109 };
for( int i = 0; i < 4; ++i ) {
ASSERT( c.ok() );
ASSERT_EQUALS( expected[ i ], c.currKey().firstElement().number() );
c.advance();
}
ASSERT( !c.ok() );
}示例5: TEST
TEST(DBHelperTests, FindDiskLocsNoIndex) {
DBDirectClient client;
client.remove( ns, BSONObj() );
client.insert( ns, BSON( "_id" << OID::gen() ) );
long long maxSizeBytes = 1024 * 1024 * 1024;
set<DiskLoc> locs;
long long numDocsFound;
long long estSizeBytes;
{
Lock::DBRead lk( ns );
Client::Context ctx( ns );
// search invalid index range
KeyRange range( ns,
BSON( "badIndex" << 0 ),
BSON( "badIndex" << 10 ),
BSON( "badIndex" << 1 ) );
Status result = Helpers::getLocsInRange( range,
maxSizeBytes,
&locs,
&numDocsFound,
&estSizeBytes );
// Make sure we get the right error code
ASSERT_EQUALS( result.code(), ErrorCodes::IndexNotFound );
ASSERT_EQUALS( static_cast<long long>( locs.size() ), 0 );
ASSERT_EQUALS( numDocsFound, 0 );
ASSERT_EQUALS( estSizeBytes, 0 );
}
}示例6: insert
Status AuthzManagerExternalStateMongod::insert(
const NamespaceString& collectionName,
const BSONObj& document,
const BSONObj& writeConcern) {
try {
DBDirectClient client;
{
Client::GodScope gs;
// TODO(spencer): Once we're no longer fully rebuilding the user cache on every
// change to user data we should remove the global lock and uncomment the
// WriteContext below
Lock::GlobalWrite w;
// Client::WriteContext ctx(userNS);
client.insert(collectionName, document);
}
// Handle write concern
BSONObjBuilder gleBuilder;
gleBuilder.append("getLastError", 1);
gleBuilder.appendElements(writeConcern);
BSONObj res;
client.runCommand("admin", gleBuilder.done(), res);
string errstr = client.getLastErrorString(res);
if (errstr.empty()) {
return Status::OK();
}
if (res.hasField("code") && res["code"].Int() == ASSERT_ID_DUPKEY) {
return Status(ErrorCodes::DuplicateKey, errstr);
}
return Status(ErrorCodes::UnknownError, errstr);
} catch (const DBException& e) {
return e.toStatus();
}
}示例7: doDBUpgrade
void doDBUpgrade( const string& dbName, DataFileHeader* h ) {
static DBDirectClient db;
if ( h->version == 4 && h->versionMinor == 4 ) {
verify( PDFILE_VERSION == 4 );
verify( PDFILE_VERSION_MINOR_22_AND_OLDER == 5 );
list<string> colls = db.getCollectionNames( dbName );
for ( list<string>::iterator i=colls.begin(); i!=colls.end(); i++) {
string c = *i;
log() << "\t upgrading collection:" << c << endl;
BSONObj out;
bool ok = db.runCommand( dbName , BSON( "reIndex" << c.substr( dbName.size() + 1 ) ) , out );
if ( ! ok ) {
log() << "\t\t reindex failed: " << out;
fassertFailed( 17393 );
}
}
getDur().writingInt(h->versionMinor) = 5;
return;
}
// do this in the general case
fassert( 17401, repairDatabase( dbName ) );
}示例8: insert
Status AuthzManagerExternalStateMongod::insert(
const NamespaceString& collectionName,
const BSONObj& document,
const BSONObj& writeConcern) {
try {
DBDirectClient client;
client.insert(collectionName, document);
// Handle write concern
BSONObjBuilder gleBuilder;
gleBuilder.append("getLastError", 1);
gleBuilder.appendElements(writeConcern);
BSONObj res;
client.runCommand("admin", gleBuilder.done(), res);
string errstr = client.getLastErrorString(res);
if (errstr.empty()) {
return Status::OK();
}
if (res.hasField("code") && res["code"].Int() == ASSERT_ID_DUPKEY) {
return Status(ErrorCodes::DuplicateKey, errstr);
}
return Status(ErrorCodes::UnknownError, errstr);
} catch (const DBException& e) {
return e.toStatus();
}
}示例9: remove
Status AuthzManagerExternalStateMongod::remove(
const NamespaceString& collectionName,
const BSONObj& query,
const BSONObj& writeConcern,
int* numRemoved) {
try {
DBDirectClient client;
client.remove(collectionName, query);
// Handle write concern
BSONObjBuilder gleBuilder;
gleBuilder.append("getLastError", 1);
gleBuilder.appendElements(writeConcern);
BSONObj res;
client.runCommand("admin", gleBuilder.done(), res);
string errstr = client.getLastErrorString(res);
if (!errstr.empty()) {
return Status(ErrorCodes::UnknownError, errstr);
}
*numRemoved = res["n"].numberInt();
return Status::OK();
} catch (const DBException& e) {
return e.toStatus();
}
}示例10: run
void run() {
dblock lk;
const char *ns = "unittests.cursortests.BtreeCursorTests.MultiRangeGap";
{
DBDirectClient c;
for( int i = 0; i < 10; ++i )
c.insert( ns, BSON( "a" << i ) );
for( int i = 100; i < 110; ++i )
c.insert( ns, BSON( "a" << i ) );
ASSERT( c.ensureIndex( ns, BSON( "a" << 1 ) ) );
}
BoundList b;
b.push_back( pair< BSONObj, BSONObj >( BSON( "" << -50 ), BSON( "" << 2 ) ) );
b.push_back( pair< BSONObj, BSONObj >( BSON( "" << 40 ), BSON( "" << 60 ) ) );
b.push_back( pair< BSONObj, BSONObj >( BSON( "" << 109 ), BSON( "" << 200 ) ) );
Client::Context ctx( ns );
BtreeCursor c( nsdetails( ns ), 1, nsdetails( ns )->idx(1), b, 1 );
ASSERT_EQUALS( "BtreeCursor a_1 multi", c.toString() );
double expected[] = { 0, 1, 2, 109 };
for( int i = 0; i < 4; ++i ) {
ASSERT( c.ok() );
ASSERT_EQUALS( expected[ i ], c.currKey().firstElement().number() );
c.advance();
}
ASSERT( !c.ok() );
}示例11: removePrivilegeDocuments
Status AuthzManagerExternalStateMongod::removePrivilegeDocuments(const string& dbname,
const BSONObj& query) {
try {
string userNS = dbname + ".system.users";
DBDirectClient client;
{
Client::GodScope gs;
// TODO(spencer): Once we're no longer fully rebuilding the user cache on every
// change to user data we should remove the global lock and uncomment the
// WriteContext below
Lock::GlobalWrite w;
// Client::WriteContext ctx(userNS);
client.remove(userNS, query);
}
// 30 second timeout for w:majority
BSONObj res = client.getLastErrorDetailed(false, false, -1, 30*1000);
string errstr = client.getLastErrorString(res);
if (!errstr.empty()) {
return Status(ErrorCodes::UserModificationFailed, errstr);
}
int numUpdated = res["n"].numberInt();
if (numUpdated == 0) {
return Status(ErrorCodes::UserNotFound,
mongoutils::str::stream() << "No users found on database \"" << dbname
<< "\" matching query: " << query.toString());
}
return Status::OK();
} catch (const DBException& e) {
return e.toStatus();
}
}示例12: LOG
void ReplSetImpl::assumePrimary() {
LOG(2) << "replSet assuming primary" << endl;
verify( iAmPotentiallyHot() );
// Wait for replication to stop and buffer to be consumed
LOG(1) << "replSet waiting for replication to finish before becoming primary" << endl;
replset::BackgroundSync::get()->stopReplicationAndFlushBuffer();
// Lock here to prevent stepping down & becoming primary from getting interleaved
Lock::GlobalWrite lk;
// Make sure that new OpTimes are higher than existing ones even with clock skew
DBDirectClient c;
BSONObj lastOp = c.findOne( "local.oplog.rs", Query().sort(reverseNaturalObj), NULL, QueryOption_SlaveOk );
if ( !lastOp.isEmpty() ) {
OpTime::setLast( lastOp[ "ts" ].date() );
}
// Generate new election unique id
elect.setElectionId(OID::gen());
changeState(MemberState::RS_PRIMARY);
// This must be done after becoming primary but before releasing the write lock. This adds
// the dropCollection entries for every temp collection to the opLog since we want it to be
// replicated to secondaries.
dropAllTempCollections();
}示例13: remove
Status AuthzManagerExternalStateMongod::remove(
const NamespaceString& collectionName,
const BSONObj& query,
const BSONObj& writeConcern,
int* numRemoved) {
try {
DBDirectClient client;
{
Client::GodScope gs;
// TODO(spencer): Once we're no longer fully rebuilding the user cache on every
// change to user data we should remove the global lock and uncomment the
// WriteContext below
Lock::GlobalWrite w;
// Client::WriteContext ctx(userNS);
client.remove(collectionName, query);
}
// Handle write concern
BSONObjBuilder gleBuilder;
gleBuilder.append("getLastError", 1);
gleBuilder.appendElements(writeConcern);
BSONObj res;
client.runCommand("admin", gleBuilder.done(), res);
string errstr = client.getLastErrorString(res);
if (!errstr.empty()) {
return Status(ErrorCodes::UnknownError, errstr);
}
*numRemoved = res["n"].numberInt();
return Status::OK();
} catch (const DBException& e) {
return e.toStatus();
}
}示例14: doDBUpgrade
bool doDBUpgrade( const string& dbName , string errmsg , DataFileHeader * h ) {
static DBDirectClient db;
if ( h->version == 4 && h->versionMinor == 4 ) {
verify( PDFILE_VERSION == 4 );
verify( PDFILE_VERSION_MINOR == 5 );
list<string> colls = db.getCollectionNames( dbName );
for ( list<string>::iterator i=colls.begin(); i!=colls.end(); i++) {
string c = *i;
log() << "\t upgrading collection:" << c << endl;
BSONObj out;
bool ok = db.runCommand( dbName , BSON( "reIndex" << c.substr( dbName.size() + 1 ) ) , out );
if ( ! ok ) {
errmsg = "reindex failed";
log() << "\t\t reindex failed: " << out << endl;
return false;
}
}
h->versionMinor = 5;
return true;
}
// do this in the general case
return repairDatabase( dbName.c_str(), errmsg );
}示例15: insertPrivilegeDocument
Status AuthzManagerExternalStateMongod::insertPrivilegeDocument(const string& dbname,
const BSONObj& userObj) {
try {
string userNS = dbname + ".system.users";
DBDirectClient client;
{
Client::GodScope gs;
// TODO(spencer): Once we're no longer fully rebuilding the user cache on every
// change to user data we should remove the global lock and uncomment the
// WriteContext below
Lock::GlobalWrite w;
// Client::WriteContext ctx(userNS);
client.insert(userNS, userObj);
}
// 30 second timeout for w:majority
BSONObj res = client.getLastErrorDetailed(false, false, -1, 30*1000);
string errstr = client.getLastErrorString(res);
if (errstr.empty()) {
return Status::OK();
}
if (res.hasField("code") && res["code"].Int() == ASSERT_ID_DUPKEY) {
return Status(ErrorCodes::DuplicateKey,
mongoutils::str::stream() << "User \"" << userObj["user"].String() <<
"\" already exists on database \"" << dbname << "\"");
}
return Status(ErrorCodes::UserModificationFailed, errstr);
} catch (const DBException& e) {
return e.toStatus();
}
}