From 97fd90f4c3319e3e789416155c1a462ab179875c Mon Sep 17 00:00:00 2001
From: dec05eba <0xdec05eba@gmail.com>
Date: Sat, 28 Apr 2018 15:30:21 +0200
Subject: Add stop seeding function

---
 include/odhtdb/Database.hpp        | 24 +++++++++++++++++++++++-
 include/odhtdb/DatabaseStorage.hpp |  9 +++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/odhtdb/Database.hpp b/include/odhtdb/Database.hpp
index e78bc6e..ecdf70c 100644
--- a/include/odhtdb/Database.hpp
+++ b/include/odhtdb/Database.hpp
@@ -125,6 +125,24 @@ namespace odhtdb
         std::shared_ptr<OwnedMemory> key;
         std::shared_ptr<Hash> hash;
     };
+    
+    struct DatabaseSeedInfo
+    {
+        std::shared_ptr<std::future<size_t>> newDataListenerFuture;
+        std::shared_ptr<std::future<size_t>> responseKeyFuture;
+        std::shared_ptr<std::future<size_t>> requestOldDataListenerFuture;
+        
+        std::shared_ptr<dht::InfoHash> reponseKeyInfoHash;
+        
+        DatabaseSeedInfo(){}
+        DatabaseSeedInfo(const DatabaseSeedInfo &other)
+        {
+            newDataListenerFuture = other.newDataListenerFuture;
+            responseKeyFuture = other.responseKeyFuture;
+            requestOldDataListenerFuture = other.requestOldDataListenerFuture;
+            reponseKeyInfoHash = other.reponseKeyInfoHash;
+        }
+    };
 
     class Database
     {
@@ -133,13 +151,16 @@ namespace odhtdb
         Database(const char *bootstrapNodeAddr, u16 port, const boost::filesystem::path &storageDir);
         ~Database();
 
+        // Safe to call multiple times with same node hash, will be ignored if the node is already beeing seeded
         void seed(const DatabaseNode &nodeToSeed);
+        void stopSeeding(const Hash &nodeHash);
+        
         // Throws DatabaseCreateException on failure.
         std::unique_ptr<DatabaseCreateResponse> create(const std::string &ownerName, const std::string &nodeName);
         // Throws DatabaseCreateException on failure.
         std::unique_ptr<DatabaseCreateResponse> create(const std::string &ownerName, const Signature::KeyPair &keyPair, const std::string &nodeName);
         // Throws PermissionDeniedException if user @userToPerformActionWith is not allowed to add data to node
-        void addData(const DatabaseNode &nodeInfo, LocalUser *userToPerformActionWith, DataView dataToAdd);
+        void addData(const DatabaseNode &nodeInfo, const LocalUser *userToPerformActionWith, DataView dataToAdd);
         // Throws PermissionDeniedException if user @userToPerformActionWith is not allowed to add user @userToAdd to group @groupToAddUserTo
         void addUser(const DatabaseNode &nodeInfo, LocalUser *userToPerformActionWith, const std::string &userToAddName, const Signature::PublicKey &userToAddPublicKey, Group *groupToAddUserTo);
         void commit();
@@ -167,5 +188,6 @@ namespace odhtdb
         std::function<void(const DatabaseCreateNodeRequest&)> onCreateNodeCallbackFunc;
         std::function<void(const DatabaseAddNodeRequest&)> onAddNodeCallbackFunc;
         std::function<void(const DatabaseAddUserRequest&)> onAddUserCallbackFunc;
+        MapHash<DatabaseSeedInfo> seedInfoMap;
     };
 }
diff --git a/include/odhtdb/DatabaseStorage.hpp b/include/odhtdb/DatabaseStorage.hpp
index 85a61eb..9cfe12d 100644
--- a/include/odhtdb/DatabaseStorage.hpp
+++ b/include/odhtdb/DatabaseStorage.hpp
@@ -140,9 +140,15 @@ namespace odhtdb
         // Returns nullptr if no storage with provided hash exists
         const DatabaseStorageObjectList* getStorage(const Hash &hash) const;
         
+        // Returns nullptr if node @nodeHash doesn't exist
+        const DataViewMap<Group*>* getNodeGroups(const Hash &nodeHash);
+        
         // Returns nullptr if a group with id @groupId doesn't exist in node @nodeHash or if no node with id @nodeHash exists
         Group* getGroupById(const Hash &nodeHash, uint8_t groupId[GROUP_ID_LENGTH]) const;
         
+        // Returns nullptr if node @nodeHash doesn't exist
+        const Signature::MapPublicKey<User*>* getNodeUsers(const Hash &nodeHash);
+        
         // Returns nullptr if a user with public key @publicKey doesn't exist in node @nodeHash or if no node with id @nodeHash exists
         User* getUserByPublicKey(const Hash &nodeHash, const Signature::PublicKey &userPublicKey) const;
         
@@ -159,6 +165,9 @@ namespace odhtdb
         // Safe to call multiple times.
         std::vector<NodeLocalUser> getLocalNodeUsers(const Signature::KeyPair &keyPair);
         
+        // Returns true and node decryption key if node exists and we have the decryption key, 
+        // otherwise return false and OwnedMemory with data set to nullptr
+        std::pair<bool, std::shared_ptr<OwnedMemory>> getNodeDecryptionKey(const Hash &nodeHash);
         void setNodeDecryptionKey(const Hash &nodeHash, const DataView &decryptionKey);
         
         const dht::crypto::Identity& getIdentity() const;
-- 
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