> For the complete documentation index, see [llms.txt](https://kelby.gitbook.io/monero/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kelby.gitbook.io/monero/wang-luo-chuan-shu/connectioncontext.md).

# connection\_context

```
    state m_state;
    std::vector<crypto::hash> m_needed_objects;
    std::unordered_set<crypto::hash> m_requested_objects;
    uint64_t m_remote_blockchain_height;
    uint64_t m_last_response_height;
    boost::posix_time::ptime m_last_request_time;
    epee::copyable_atomic m_callback_request_count; //in debug purpose: problem with double callback rise
    crypto::hash m_last_known_hash;
```