From db1d3323103f15c3d31378b9e94982191855d984 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 13 Sep 2016 21:57:12 +0300
Subject: Add fake packets from network.xml if packet unused.

---
 src/client.cpp                     |  6 ++++--
 src/net/eathena/network.cpp        | 32 ++++++++++++++++++++++++++++++++
 src/net/eathena/network.h          |  2 ++
 src/net/eathena/updateprotocol.cpp |  1 +
 src/resources/db/networkdb.cpp     |  7 +++++++
 src/resources/db/networkdb.h       |  2 ++
 6 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/src/client.cpp b/src/client.cpp
index 9ac6c0df5..64297d599 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -616,6 +616,7 @@ void Client::gameClear()
         ElementalDb::unload();
         SkillUnitDb::unload();
         HorseDB::unload();
+        NetworkDb::unload();
     }
     MonsterDB::unload();
     NPCDB::unload();
@@ -627,7 +628,6 @@ void Client::gameClear()
     PETDB::unload();
     StatusEffectDB::unload();
     ModDB::unload();
-    NetworkDb::unload();
 
     if (loginHandler)
         loginHandler->clearWorlds();
@@ -1327,7 +1327,6 @@ int Client::gameExec()
 
                     AttributesEnum::init();
                     // Load XML databases
-                    NetworkDb::load();
                     CharDB::load();
                     StatDb::load();
                     DeadDB::load();
@@ -1342,6 +1341,9 @@ int Client::gameExec()
                     if (type == ServerType::EATHENA ||
                         type == ServerType::EVOL2)
                     {
+                        NetworkDb::load();
+                        if (loginHandler)
+                            loginHandler->updatePacketVersion();
                         MercenaryDB::load();
                         HomunculusDB::load();
                         ElementalDb::load();
diff --git a/src/net/eathena/network.cpp b/src/net/eathena/network.cpp
index 21736333c..74f3c3e00 100644
--- a/src/net/eathena/network.cpp
+++ b/src/net/eathena/network.cpp
@@ -80,6 +80,10 @@
 
 #include "net/eathena/messagein.h"
 
+#include "resources/db/networkdb.h"
+
+#include "utils/checkutils.h"
+
 #include "debug.h"
 
 extern int packetVersion;
@@ -111,6 +115,34 @@ void Network::registerHandlers()
     RECVPACKETS_VOID
 }
 
+void Network::registerFakeHandlers()
+{
+    const NetworkInfos &packets = NetworkDb::getFakePackets();
+    FOR_EACH (NetworkInfosIter, it, packets)
+    {
+        const size_t id = (*it).first;
+        if (id >= packet_lengths_size)
+        {
+            reportAlways("Wrong fake packet id %d", CAST_S32(id));
+            continue;
+        }
+        if (mPackets[id].len != 0 ||
+            mPackets[id].func != nullptr ||
+            mPackets[id].version != 0)
+        {
+            continue;
+        }
+        const int32_t len = (*it).second;
+        logger->log("Add fake packet: %d, %d",
+            CAST_S32(id),
+            len);
+        mPackets[id].name = "fake";
+        mPackets[id].len = len;
+        mPackets[id].func = nullptr;
+        mPackets[id].version = 0;
+    }
+}
+
 void Network::clearHandlers()
 {
     for (size_t f = 0; f < packet_lengths_size; f ++)
diff --git a/src/net/eathena/network.h b/src/net/eathena/network.h
index 429603237..ec8890cfc 100644
--- a/src/net/eathena/network.h
+++ b/src/net/eathena/network.h
@@ -51,6 +51,8 @@ class Network final : public Ea::Network
 
         void registerHandlers();
 
+        void registerFakeHandlers();
+
         static Network *mInstance;
 
     protected:
diff --git a/src/net/eathena/updateprotocol.cpp b/src/net/eathena/updateprotocol.cpp
index 2e7dc8cb9..bae8b81fe 100644
--- a/src/net/eathena/updateprotocol.cpp
+++ b/src/net/eathena/updateprotocol.cpp
@@ -45,6 +45,7 @@ void updateProtocol()
     {
         network->clearHandlers();
         network->registerHandlers();
+        network->registerFakeHandlers();
     }
 }
 
diff --git a/src/resources/db/networkdb.cpp b/src/resources/db/networkdb.cpp
index afab56af3..c430d0f7a 100644
--- a/src/resources/db/networkdb.cpp
+++ b/src/resources/db/networkdb.cpp
@@ -21,6 +21,7 @@
 #include "resources/db/networkdb.h"
 
 #include "configuration.h"
+#include "logger.h"
 
 #include "utils/xmlutils.h"
 
@@ -39,6 +40,7 @@ void NetworkDb::load()
     if (mLoaded)
         unload();
 
+    logger->log1("Initializing network database...");
     loadXmlFile(paths.getStringValue("networkFile"), SkipError_false);
     loadXmlFile(paths.getStringValue("networkPatchFile"), SkipError_true);
     loadXmlDir("networkPatchDir", loadXmlFile);
@@ -63,3 +65,8 @@ void NetworkDb::unload()
     mInPackets.clear();
     mLoaded = false;
 }
+
+const NetworkInfos &NetworkDb::getFakePackets()
+{
+    return mInPackets;
+}
diff --git a/src/resources/db/networkdb.h b/src/resources/db/networkdb.h
index 822925fa0..899fc6cda 100644
--- a/src/resources/db/networkdb.h
+++ b/src/resources/db/networkdb.h
@@ -43,6 +43,8 @@ namespace NetworkDb
      * Clear the chars data
      */
     void unload();
+
+    const NetworkInfos &getFakePackets();
 }  // namespace NetworkDb
 
 #endif  // RESOURCES_DB_NETWORKDB_H
-- 
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