void Remove(const std::string& string)
{
const size_t hash = SdbmHash(string);
PimplCollection& pimpls(PimplCollectionFromHash(hash));
pimpls.erase(Find(pimpls, string));
if(pimpls.empty())
RemovePimplCollection(hash);
}
Private::String& FromString(const std::string& string)
{
PimplCollection& pimpls(PimplCollectionFromHash(SdbmHash(string)));
PimplCollection::iterator f = Find(pimpls, string);
if(f != pimpls.end())
return *f;
pimpls.push_back(new Private::String(string));
return pimpls.back();
}
int main(int argc, char const *[])
{
std::string str="123456";
std::cout<<str<<std::endl;
typedef std::map<std::string, CacheServer> ServerMap;
ServerMap servers;
Consistent::HashRing<std::string,std::string,SdbmHash> ring(4,SdbmHash());
//Create some cache servers
servers["cach1.example.com"]=CacheServer();
servers["cach2.example.com"]=CacheServer();
servers["cach3.example.com"]=CacheServer();
//Add their host names to the hash ring
for (ServerMap::const_iterator it = servers.begin();it != servers.end(); ++it) {
std::cout << "Adding " << it->first << " with hash " << ring.AddNode(it->first) <<std::endl;
}
//Store some data
const char* fruits[] = {"apple","pear","banana","orange","cherry","apricot"};
const char* colours[] = {"red","green","yellow","orange","black","pink"};
const unsigned int numfruits = sizeof(fruits)/sizeof(char*);
//std::cout<< "sizeof(fruits):" <<sizeof(fruits) << " sizeof (char*):" <<sizeof(char*) <<std::endl;
for (unsigned int f = 0; f<numfruits;f++) {
std::string host = ring.GetNode(fruits[f]);
std::cout << "Storing " <<fruits[f] << " on server " <<host <<std::endl;
servers[host].Put(fruits[f],colours[f]);
}
//Read it back
for (unsigned int f = 0; f< numfruits; f++) {
std::string host = ring.GetNode(fruits[f]);
std::string colour =servers[host].Get(fruits[f]);
std::cout << "Found " << fruits[f] << " on server "<< host << " (" <<colour << ")" <<std::endl;
}
return 0;
}
