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#include "mpdas.h"
CCache* Cache = 0;
void CCache::SaveCache()
{
std::string path = getenv("HOME");
path.append("/.mpdascache");
remove(path.c_str());
std::ofstream ofs(path.c_str());
if(!_entries.size()) {
remove(path.c_str());
return;
}
for(unsigned int i = 0; i < _entries.size(); i++) {
CacheEntry* entry = _entries[i];
ofs << *entry;
if(i+1 == _entries.size())
ofs.flush();
else
ofs << std::endl;
}
ofs.close();
}
void CCache::LoadCache()
{
int length;
std::string path = getenv("HOME");
path.append("/.mpdascache");
std::ifstream ifs(path.c_str(), std::ios::in|std::ios::binary);
ifs.seekg (0, std::ios::end);
length = ifs.tellg();
ifs.seekg (0, std::ios::beg);
while(ifs.good()) {
if(length == ifs.tellg())
break;
CacheEntry *entry = new CacheEntry();
ifs >> *entry;
_entries.push_back(entry);
}
ifs.close();
remove(path.c_str());
}
void CCache::WorkCache()
{
if(_failtime && time(NULL) - _failtime < 300) {
return;
}
_failtime = 0;
while(_entries.size()) {
if(AudioScrobbler->Scrobble(*_entries.front())) {
delete _entries.front();
_entries.erase(_entries.begin());
}
else {
eprintf("%s", "Error scrobbling. Trying again in 5 minutes.");
_failtime = time(NULL);
AudioScrobbler->Failure();
break;
}
sleep(1);
}
SaveCache();
}
void CCache::AddToCache(const Song& song, time_t starttime)
{
CacheEntry *entry = new CacheEntry(song, starttime);
_entries.push_back(entry);
SaveCache();
}
std::ofstream& operator <<(std::ofstream& outstream, const CacheEntry& inobj)
{
Song song = inobj.getSong();
outstream << song.getArtist() << std::endl
<< song.getTitle() << std::endl
<< song.getAlbum() << std::endl
<< song.getDuration() << std::endl
<< inobj.getStartTime();
return outstream;
}
std::ifstream& operator >>(std::ifstream& instream, CacheEntry& outobj)
{
std::string artist, title, album;
int duration;
time_t starttime;
getline(instream, artist);
getline(instream, title);
getline(instream, album);
instream >> duration;
instream.ignore(1);
instream >> starttime;
instream.ignore(1);
Song song(artist, title, album, duration);
outobj = CacheEntry(song, starttime);
return instream;
}
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