コード例 #1
0
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);
}
コード例 #2
0
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);

}
コード例 #3
0
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);

}