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Speed up DirBlob reads by using Blob::readAll()

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This commit is contained in:
Sebastian Messmer 2015-10-05 03:44:20 +02:00
parent 7e54d284e1
commit 9c433209c2
1 changed files with 2 additions and 4 deletions
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6
src/filesystem/fsblobstore/DirBlob.cpp
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@ -99,11 +99,9 @@ void DirBlob::_writeEntriesToBlob() {
void DirBlob::_readEntriesFromBlob() {
//No lock needed, because this is only called from the constructor.
_entries.clear();
//TODO Getting size and then reading traverses tree twice. Something like readAll() would be faster.
Data data(baseBlob().size() - 1);
baseBlob().read(data.data(), 1, baseBlob().size() - 1);
Data data = baseBlob().readAll();
const char *pos = (const char*) data.data();
const char *pos = (const char*)data.data() + 1; // +1 for magic number of blob
while (pos < (const char*) data.data() + data.size()) {
pos = readAndAddNextChild(pos, &_entries);
}