void FawnKVServerHandler::remove(const std::string& key, const int64_t continuation, const int32_t cid) {
// Generating unique server-side continuation
int64_t ss_continuation = reqNumber++;
ClientData *cd = get_client(cid);
cd->addContinuation(continuation, ss_continuation);
req_client_map[ss_continuation] = cd;
pthread_mutex_lock(p_mutex);
frontend->remove(key, ss_continuation);
pthread_mutex_unlock(p_mutex);
}
void FawnKVServerHandler::put(const std::string& key, const std::string& value, const int64_t continuation, const int32_t cid) {
pthread_mutex_lock(p_mutex);
// Generating unique server-side continuation
int64_t ss_continuation = reqNumber++;
//cout << "Put from CID: " << cid << " continuation: " << continuation << " reqNumber: " << ss_continuation << endl;
ClientData *cd = get_client(cid);
cd->addContinuation(continuation, ss_continuation);
req_client_map[ss_continuation] = cd;
string v = value;
frontend->put(key, value, ss_continuation);
DBID dkey(key);
if (cache)
cache->insert(dkey, value);
//cout << "Put Done for CID: " << cid << " continuation: " << continuation << " reqNumber: " << ss_continuation << endl;
pthread_mutex_unlock(p_mutex);
}
void FawnKVServerHandler::get(const std::string& key, const int64_t continuation, const int32_t cid) {
pthread_mutex_lock(p_mutex);
// Generating unique server-side continuation
//cout << reqNumber << endl;
int64_t ss_continuation = reqNumber++;
ClientData *cd = get_client(cid);
DBID dkey(key);
string value;
if ((cache) && (cache->lookup(dkey, value))){
cd->fc->get_response(value, continuation);
}
else {
//cout << "Get from CID: " << cid << " continuation: " << continuation << " reqNumber: " << ss_continuation << endl;
cd->addContinuation(continuation, ss_continuation);
req_client_map[ss_continuation] = cd;
frontend->get(key, ss_continuation);
//cout << "Get Done for CID: " << cid << " continuation: " << continuation << " reqNumber: " << ss_continuation << endl;
}
if ((reqNumber % 2000) == 0) {
// if (1) {
gettimeofday(&tim, NULL);
t = tim.tv_sec + (tim.tv_usec/1000000.0);
if ((t_since > 0) && (t-t_since > 0)) {
double rr = (reqNumber - reqSince)/1000.00/(t-t_since);
r = 0.8 * r + 0.2 * rr;
cout << r << "k query/sec " ; //<< t - t_since << endl;
if (cache)
cout << "hit_ratio " << cache->hit_ratio() << " cache_size " << cache->size() << endl;
else
cout << "hit_ratio " << 0 << endl;
}
t_since = t;
reqSince = reqNumber;
}
pthread_mutex_unlock(p_mutex);
}