Core/Logging: Restore dumping packets in binary format

src/server/game/Server/Protocol/PacketLog.cpp

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PacketLog.h"
+#include "Config.h"
+#include "ByteBuffer.h"
+#include "WorldPacket.h"
+
+PacketLog::PacketLog() : _file(NULL)
+{
+    Initialize();
+}
+
+PacketLog::~PacketLog()
+{
+    if (_file)
+        fclose(_file);
+
+    _file = NULL;
+}
+
+void PacketLog::Initialize()
+{
+    std::string logsDir = ConfigMgr::GetStringDefault("LogsDir", "");
+
+    if (!logsDir.empty())
+        if ((logsDir.at(logsDir.length()-1) != '/') && (logsDir.at(logsDir.length()-1) != '\\'))
+            logsDir.push_back('/');
+
+    std::string logname = ConfigMgr::GetStringDefault("PacketLogFile", "");
+    if (!logname.empty())
+        _file = fopen((logsDir + logname).c_str(), "wb");
+}
+
+void PacketLog::LogPacket(WorldPacket const& packet, Direction direction)
+{
+    ByteBuffer data(4+4+4+1+packet.size());
+    data << int32(packet.GetOpcode());
+    data << int32(packet.size());
+    data << uint32(time(NULL));
+    data << uint8(direction);
+
+    for (uint32 i = 0; i < packet.size(); i++)
+        data << const_cast<WorldPacket&>(packet)[i];
+
+    fwrite(data.contents(), 1, data.size(), _file);
+    fflush(_file);
+}

src/server/game/Server/Protocol/PacketLog.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITY_PACKETLOG_H
+#define TRINITY_PACKETLOG_H
+
+#include "Common.h"
+#include <ace/Singleton.h>
+
+enum Direction
+{
+    CLIENT_TO_SERVER,
+    SERVER_TO_CLIENT
+};
+
+class WorldPacket;
+
+class PacketLog
+{
+    friend class ACE_Singleton<PacketLog, ACE_Thread_Mutex>;
+
+    private:
+        PacketLog();
+        ~PacketLog();
+
+    public:
+        void Initialize();
+        bool CanLogPacket() const { return (_file != NULL); }
+        void LogPacket(WorldPacket const& packet, Direction direction);
+
+    private:
+        FILE* _file;
+};
+
+#define sPacketLog ACE_Singleton<PacketLog, ACE_Thread_Mutex>::instance()
+#endif

src/server/game/Server/WorldSocket.cpp

@@ -42,6 +42,7 @@
 #include "WorldSession.h"
 #include "WorldSocketMgr.h"
 #include "Log.h"
+#include "PacketLog.h"
 #include "ScriptMgr.h"
 #include "AccountMgr.h"
 
@@ -159,30 +160,8 @@ int WorldSocket::SendPacket(WorldPacket const& pct)
         return -1;
 
     // Dump outgoing packet.
-    if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE))
-    {
-        char buff[250];
-        snprintf(buff, 250, "SERVER:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n",
-                     uint32(get_handle()),
-                     uint32(pct.size()),
-                     LookupOpcodeName (pct.GetOpcode()),
-                     pct.GetOpcode());
-
-        std::string data(buff);
-        uint32 p = 0;
-        while (p < pct.size())
-        {
-            for (uint32 j = 0; j < 16 && p < pct.size(); j++)
-            {
-                snprintf(buff, 250, "%.2X ", const_cast<WorldPacket&>(pct)[p++]);
-                data.append(buff);
-            }
-            data.append("\n");
-        }
-
-        data.append("\n");
-        sLog->outTrace(LOG_FILTER_NETWORKIO, "%s", data.c_str());
-    }
+    if (sPacketLog->CanLogPacket())
+        sPacketLog->LogPacket(pct, SERVER_TO_CLIENT);
 
     // Create a copy of the original packet; this is to avoid issues if a hook modifies it.
     sScriptMgr->OnPacketSend(this, WorldPacket(pct));
@@ -691,30 +670,9 @@ int WorldSocket::ProcessIncoming(WorldPacket* new_pct)
     if (closing_)
         return -1;
 
-    if (sLog->ShouldLog(LOG_FILTER_NETWORKIO, LOG_LEVEL_TRACE))
-    {
-        char buff[250];
-        snprintf(buff, 250, "CLIENT:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n",
-                     uint32(get_handle()),
-                     uint32(new_pct->size()),
-                     LookupOpcodeName (new_pct->GetOpcode()),
-                     new_pct->GetOpcode());
-
-        std::string data(buff);
-        uint32 p = 0;
-        while (p < new_pct->size())
-        {
-            for (uint32 j = 0; j < 16 && p < new_pct->size(); j++)
-            {
-                snprintf(buff, 250, "%.2X ", const_cast<WorldPacket&>(*new_pct)[p++]);
-                data.append(buff);
-            }
-            data.append("\n");
-        }
-
-        data.append("\n");
-        sLog->outTrace(LOG_FILTER_NETWORKIO, "%s", data.c_str());
-    }
+    // Dump received packet.
+    if (sPacketLog->CanLogPacket())
+        sPacketLog->LogPacket(*new_pct, CLIENT_TO_SERVER);
 
     try
     {

src/server/worldserver/worldserver.conf.dist

@@ -403,6 +403,15 @@ PersistentCharacterCleanFlags = 0
 
 PidFile = ""
 
+#
+#    PacketLogFile
+#        Description: Binary packet logging file for the world server.
+#                     Filename extension must be .bin to be parsable with WowPacketParser.
+#        Example:     "World.bin" - (Enabled)
+#        Default:     ""          - (Disabled)
+
+PacketLogFile = ""
+
 #
 #    ChatLogs.Channel
 #        Description: Log custom channel chat.