void WriteBatchExecutor::incOpStats( const BatchItemRef& currWrite ) {
if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Insert ) {
_opCounters->gotInsert();
}
else if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Update ) {
_opCounters->gotUpdate();
}
else {
dassert( currWrite.getOpType() == BatchedCommandRequest::BatchType_Delete );
_opCounters->gotDelete();
}
}
void WriteBatchExecutor::incOpStats( const BatchItemRef& currWrite ) {
if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Insert ) {
// No-op, for inserts we increment not on the op but once for each write
}
else if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Update ) {
_opCounters->gotUpdate();
}
else {
dassert( currWrite.getOpType() == BatchedCommandRequest::BatchType_Delete );
_opCounters->gotDelete();
}
}
void WriteBatchExecutor::incWriteStats( const BatchItemRef& currWrite,
const WriteOpStats& stats,
const WriteErrorDetail* error,
CurOp* currentOp ) {
if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Insert ) {
// We increment batch inserts like individual inserts
_opCounters->gotInsert();
_stats->numInserted += stats.n;
_le->nObjects = stats.n;
currentOp->debug().ninserted += stats.n;
}
else if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Update ) {
if ( stats.upsertedID.isEmpty() ) {
_stats->numMatched += stats.n;
_stats->numModified += stats.nModified;
}
else {
++_stats->numUpserted;
}
if ( !error ) {
_le->recordUpdate( stats.upsertedID.isEmpty() && stats.n > 0,
stats.n,
stats.upsertedID );
}
}
else {
dassert( currWrite.getOpType() == BatchedCommandRequest::BatchType_Delete );
_stats->numDeleted += stats.n;
if ( !error ) {
_le->recordDelete( stats.n );
}
currentOp->debug().ndeleted += stats.n;
}
// Errors reported in LastError are handled internally in write ops for now
// TODO: Move error reporting out of write op internals?
}
void WriteBatchExecutor::incWriteStats( const BatchItemRef& currWrite,
const WriteOpStats& stats,
const WriteErrorDetail* error,
CurOp* currentOp ) {
if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Insert ) {
_stats->numInserted += stats.n;
_le->nObjects = stats.n;
currentOp->debug().ninserted += stats.n;
}
else if ( currWrite.getOpType() == BatchedCommandRequest::BatchType_Update ) {
if ( stats.upsertedID.isEmpty() ) {
_stats->numMatched += stats.n;
_stats->numModified += stats.nModified;
}
else {
++_stats->numUpserted;
}
if ( !error ) {
_le->recordUpdate( stats.upsertedID.isEmpty() && stats.n > 0,
stats.n,
stats.upsertedID );
}
}
else {
dassert( currWrite.getOpType() == BatchedCommandRequest::BatchType_Delete );
_stats->numDeleted += stats.n;
if ( !error ) {
_le->recordDelete( stats.n );
}
currentOp->debug().ndeleted += stats.n;
}
if (error && !_le->disabled) {
_le->raiseError(error->getErrCode(), error->getErrMessage().c_str());
}
}
Status Strategy::commandOpWrite(const std::string& dbName,
const BSONObj& command,
BatchItemRef targetingBatchItem,
std::vector<CommandResult>* results) {
// Note that this implementation will not handle targeting retries and does not completely
// emulate write behavior
ChunkManagerTargeter targeter(NamespaceString(
targetingBatchItem.getRequest()->getTargetingNS()));
Status status = targeter.init();
if (!status.isOK())
return status;
OwnedPointerVector<ShardEndpoint> endpointsOwned;
vector<ShardEndpoint*>& endpoints = endpointsOwned.mutableVector();
if (targetingBatchItem.getOpType() == BatchedCommandRequest::BatchType_Insert) {
ShardEndpoint* endpoint;
Status status = targeter.targetInsert(targetingBatchItem.getDocument(), &endpoint);
if (!status.isOK())
return status;
endpoints.push_back(endpoint);
}
else if (targetingBatchItem.getOpType() == BatchedCommandRequest::BatchType_Update) {
Status status = targeter.targetUpdate(*targetingBatchItem.getUpdate(), &endpoints);
if (!status.isOK())
return status;
}
else {
invariant(targetingBatchItem.getOpType() == BatchedCommandRequest::BatchType_Delete);
Status status = targeter.targetDelete(*targetingBatchItem.getDelete(), &endpoints);
if (!status.isOK())
return status;
}
DBClientShardResolver resolver;
DBClientMultiCommand dispatcher;
// Assemble requests
for (vector<ShardEndpoint*>::const_iterator it = endpoints.begin(); it != endpoints.end();
++it) {
const ShardEndpoint* endpoint = *it;
ConnectionString host;
Status status = resolver.chooseWriteHost(endpoint->shardName, &host);
if (!status.isOK())
return status;
RawBSONSerializable request(command);
dispatcher.addCommand(host, dbName, request);
}
// Errors reported when recv'ing responses
dispatcher.sendAll();
Status dispatchStatus = Status::OK();
// Recv responses
while (dispatcher.numPending() > 0) {
ConnectionString host;
RawBSONSerializable response;
Status status = dispatcher.recvAny(&host, &response);
if (!status.isOK()) {
// We always need to recv() all the sent operations
dispatchStatus = status;
continue;
}
CommandResult result;
result.target = host;
result.shardTarget = Shard::make(host.toString());
result.result = response.toBSON();
results->push_back(result);
}
return dispatchStatus;
}
