namespace mongo {
void Message::send( MessagingPort &p, const char *context ) {
if ( empty() ) {
return;
}
if ( _buf != 0 ) {
p.send( _buf, MsgData::ConstView(_buf).getLen(), context );
}
else {
p.send( _data, context );
}
}
AtomicWord<MSGID> NextMsgId;
/*struct MsgStart {
MsgStart() {
NextMsgId = (((unsigned) time(0)) << 16) ^ curTimeMillis();
verify(MsgDataHeaderSize == 16);
}
} msgstart;*/
MSGID nextMessageId() {
return NextMsgId.fetchAndAdd(1);
}
bool doesOpGetAResponse( int op ) {
return op == dbQuery || op == dbGetMore;
}
} // namespace mongo
MSGID nextMessageId() {
return NextMsgId.fetchAndAdd(1);
}
/**
* Generates a new file name on each call using a static, atomic and monotonically increasing
* number.
*
* Each user of the Sorter must implement this function to ensure that all temporary files that the
* Sorter instances produce are uniquely identified using a unique file name extension with separate
* atomic variable. This is necessary because the sorter.cpp code is separately included in multiple
* places, rather than compiled in one place and linked, and so cannot provide a globally unique ID.
*/
std::string nextFileName() {
static AtomicWord<unsigned> indexAccessMethodFileCounter;
return "extsort-index." + std::to_string(indexAccessMethodFileCounter.fetchAndAdd(1));
}