From ba8631c5f75df45fb07726e0aab3bb0834d6a5b6 Mon Sep 17 00:00:00 2001
From: dec05eba <0xdec05eba@gmail.com>
Date: Wed, 16 May 2018 07:25:22 +0200
Subject: Add functions to send/receive custom messages

---
 include/odhtdb/Database.hpp | 11 +++++++++++
 include/odhtdb/DhtKey.hpp   |  5 +++--
 2 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/odhtdb/Database.hpp b/include/odhtdb/Database.hpp
index a68c601..bd7b3f5 100644
--- a/include/odhtdb/Database.hpp
+++ b/include/odhtdb/Database.hpp
@@ -17,6 +17,7 @@
 #include <vector>
 #include <ntp/NtpClient.hpp>
 #include <boost/filesystem/path.hpp>
+#include <sibs/SafeSerializer.hpp>
 #include <stdexcept>
 #include <functional>
 
@@ -146,6 +147,9 @@ namespace odhtdb
     using CreateNodeCallbackFunc = std::function<void(const DatabaseCreateNodeRequest&)>;
     using AddNodeCallbackFunc = std::function<void(const DatabaseAddNodeRequest&)>;
     using AddUserCallbackFunc = std::function<void(const DatabaseAddUserRequest&)>;
+    
+    using ReceiveCustomMessageCallbackFunc = std::function<sibs::SafeSerializer(const void *data, usize size)>;
+    using SendCustomMessageCallbackFunc = std::function<bool(bool gotResponse, const void *data, usize size)>;
 
     struct DatabaseCallbackFuncs
     {
@@ -191,6 +195,13 @@ namespace odhtdb
         std::vector<NodeUserKeyPair> getStoredUserNodeDataDecrypted(const std::string &username, const std::string &password);
         
         std::vector<OwnedMemory> getUserGroups(const Hash &nodeHash, const Signature::PublicKey &userPublicKey) const;
+        
+        void receiveCustomMessage(const dht::InfoHash &requestKey, ReceiveCustomMessageCallbackFunc callbackFunc);
+        
+        // Return true in @callbackFunc if you want to continue listening for responses, otherwise return false
+        void sendCustomMessage(const dht::InfoHash &key, std::vector<u8> &&data, SendCustomMessageCallbackFunc callbackFunc);
+        
+        static dht::InfoHash getInfoHash(const void *data, usize size);
     private:
         void deserializeCreateRequest(const std::shared_ptr<dht::Value> &value, const Hash &hash, const std::shared_ptr<OwnedMemory> encryptionKey);
         void deserializeAddRequest(const std::shared_ptr<dht::Value> &value, const Hash &requestDataHash, const std::shared_ptr<Hash> &nodeHash, const std::shared_ptr<OwnedMemory> encryptionKey);
diff --git a/include/odhtdb/DhtKey.hpp b/include/odhtdb/DhtKey.hpp
index 7c30ee3..c3398bf 100644
--- a/include/odhtdb/DhtKey.hpp
+++ b/include/odhtdb/DhtKey.hpp
@@ -9,9 +9,10 @@ namespace odhtdb
     {
     public:
         DhtKey(const Hash &key);
+        DhtKey(const dht::InfoHash &infoHash);
         
-        const dht::InfoHash& getNewDataListenerKey();
-        const dht::InfoHash& getRequestOldDataKey();
+        dht::InfoHash getNewDataListenerKey();
+        dht::InfoHash getRequestOldDataKey();
     private:
         dht::InfoHash infoHash;
         unsigned char firstByteOriginalValue;
-- 
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