1 files changed, 67 insertions, 0 deletions
diff --git a/src/CacheCryptoStructs.h b/src/CacheCryptoStructs.h
new file mode 100644
index 00000000..14c9c86b
--- /dev/null
+++ b/src/CacheCryptoStructs.h
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <map>
+#include <mutex>
+
+//#include <nlohmann/json.hpp>
+
+#include <mtx/responses.hpp>
+#include <mtxclient/crypto/client.hpp>
+
+// Extra information associated with an outbound megolm session.
+struct OutboundGroupSessionData
+{
+        std::string session_id;
+        std::string session_key;
+        uint64_t message_index = 0;
+};
+
+void
+to_json(nlohmann::json &obj, const OutboundGroupSessionData &msg);
+void
+from_json(const nlohmann::json &obj, OutboundGroupSessionData &msg);
+
+struct OutboundGroupSessionDataRef
+{
+        OlmOutboundGroupSession *session;
+        OutboundGroupSessionData data;
+};
+
+struct DevicePublicKeys
+{
+        std::string ed25519;
+        std::string curve25519;
+};
+
+void
+to_json(nlohmann::json &obj, const DevicePublicKeys &msg);
+void
+from_json(const nlohmann::json &obj, DevicePublicKeys &msg);
+
+//! Represents a unique megolm session identifier.
+struct MegolmSessionIndex
+{
+        //! The room in which this session exists.
+        std::string room_id;
+        //! The session_id of the megolm session.
+        std::string session_id;
+        //! The curve25519 public key of the sender.
+        std::string sender_key;
+};
+
+void
+to_json(nlohmann::json &obj, const MegolmSessionIndex &msg);
+void
+from_json(const nlohmann::json &obj, MegolmSessionIndex &msg);
+
+struct OlmSessionStorage
+{
+        // Megolm sessions
+        std::map<std::string, mtx::crypto::InboundGroupSessionPtr> group_inbound_sessions;
+        std::map<std::string, mtx::crypto::OutboundGroupSessionPtr> group_outbound_sessions;
+        std::map<std::string, OutboundGroupSessionData> group_outbound_session_data;
+
+        // Guards for accessing megolm sessions.
+        std::mutex group_outbound_mtx;
+        std::mutex group_inbound_mtx;
+};