C++ (Cpp) Interest::getCanBePrefix示例

bool
Interest::matchesInterest(const Interest& other) const
{
  return getName() == other.getName() &&
         getCanBePrefix() == other.getCanBePrefix() &&
         getMustBeFresh() == other.getMustBeFresh();
}

示例#2

显示文件

文件： storage-engine.cpp 项目： remap/ndnrtc

shared_ptr<Data> StorageEngineImpl::read(const Interest &interest)
{
    shared_ptr<Data> data;
#if HAVE_PERSISTENT_STORAGE
    bool canBePrefix = interest.getCanBePrefix();

    if (canBePrefix)
    {
        // extract by prefix match
        Name prefix = interest.getName(), keyName;
        auto it = db_->NewIterator(db_namespace::ReadOptions());
        std::string key = "";
        bool checkMaxSuffixComponents = interest.getMaxSuffixComponents() != -1;
        bool checkMinSuffixComponents = interest.getMinSuffixComponents() != -1;

        for (it->Seek(prefix.toUri());
             it->Valid() && it->key().starts_with(prefix.toUri());
             it->Next())
        {
            if (checkMaxSuffixComponents || checkMinSuffixComponents)
            {
                keyName = Name(it->key().ToString());
                int nSuffixComponents = keyName.size() - prefix.size();
                bool passCheck = false;

                if (checkMaxSuffixComponents && 
                    nSuffixComponents <= interest.getMaxSuffixComponents())
                    passCheck = true;
                if (checkMinSuffixComponents &&
                    nSuffixComponents >= interest.getMinSuffixComponents())
                    passCheck = true;
                
                if (passCheck)
                    key = it->key().ToString();
            }
            else
                key = it->key().ToString();
        }

        if (key != "")
            data = get(Name(key));

        delete it;
    }
    else
        data =  get(interest.getName());
#endif
    return data;
}