* Restructuring authserver and worldserver.

--HG--
branch : trunk

src/server/authserver/Authentication/AuthCodes.cpp

@@ -0,0 +1,37 @@
+#include "AuthCodes.h"
+
+namespace AuthHelper
+{
+
+bool IsPreBCAcceptedClientBuild(int build)
+{
+    int accepted_versions[] = PRE_BC_ACCEPTED_CLIENT_BUILD;
+    for (int i = 0; accepted_versions[i]; ++i)
+    {
+        if (build == accepted_versions[i])
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool IsPostBCAcceptedClientBuild(int build)
+{
+    int accepted_versions[] = POST_BC_ACCEPTED_CLIENT_BUILD;
+    for (int i = 0; accepted_versions[i]; ++i)
+    {
+        if (build == accepted_versions[i])
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool IsAcceptedClientBuild(int build)
+{
+    return (IsPostBCAcceptedClientBuild(build) || IsPreBCAcceptedClientBuild(build));
+}
+
+};

src/server/authserver/Authentication/AuthCodes.h

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** \file
+    \ingroup realmd
+*/
+
+#ifndef _AUTHCODES_H
+#define _AUTHCODES_H
+
+enum AuthResult
+{
+    WOW_SUCCESS                     = 0x00,
+    WOW_FAIL_UNKNOWN0               = 0x01,                 ///< ? Unable to connect
+    WOW_FAIL_UNKNOWN1               = 0x02,                 ///< ? Unable to connect
+    WOW_FAIL_BANNED                 = 0x03,                 ///< This <game> account has been closed and is no longer available for use. Please go to <site>/banned.html for further information.
+    WOW_FAIL_UNKNOWN_ACCOUNT        = 0x04,                 ///< The information you have entered is not valid. Please check the spelling of the account name and password. If you need help in retrieving a lost or stolen password, see <site> for more information
+    WOW_FAIL_INCORRECT_PASSWORD     = 0x05,                 ///< The information you have entered is not valid. Please check the spelling of the account name and password. If you need help in retrieving a lost or stolen password, see <site> for more information
+    WOW_FAIL_ALREADY_ONLINE         = 0x06,                 ///< This account is already logged into <game>. Please check the spelling and try again.
+    WOW_FAIL_NO_TIME                = 0x07,                 ///< You have used up your prepaid time for this account. Please purchase more to continue playing
+    WOW_FAIL_DB_BUSY                = 0x08,                 ///< Could not log in to <game> at this time. Please try again later.
+    WOW_FAIL_VERSION_INVALID        = 0x09,                 ///< Unable to validate game version. This may be caused by file corruption or interference of another program. Please visit <site> for more information and possible solutions to this issue.
+    WOW_FAIL_VERSION_UPDATE         = 0x0A,                 ///< Downloading
+    WOW_FAIL_INVALID_SERVER         = 0x0B,                 ///< Unable to connect
+    WOW_FAIL_SUSPENDED              = 0x0C,                 ///< This <game> account has been temporarily suspended. Please go to <site>/banned.html for further information
+    WOW_FAIL_FAIL_NOACCESS          = 0x0D,                 ///< Unable to connect
+    WOW_SUCCESS_SURVEY              = 0x0E,                 ///< Connected.
+    WOW_FAIL_PARENTCONTROL          = 0x0F,                 ///< Access to this account has been blocked by parental controls. Your settings may be changed in your account preferences at <site>
+    WOW_FAIL_LOCKED_ENFORCED        = 0x10,                 ///< You have applied a lock to your account. You can change your locked status by calling your account lock phone number.
+    WOW_FAIL_TRIAL_ENDED            = 0x11,                 ///< Your trial subscription has expired. Please visit <site> to upgrade your account.
+    WOW_FAIL_USE_BATTLENET          = 0x12,                 ///< WOW_FAIL_OTHER This account is now attached to a Battle.net account. Please login with your Battle.net account email address and password.
+};
+
+enum LoginResult
+{
+    LOGIN_OK                = 0x00,
+    LOGIN_FAILED            = 0x01,
+    LOGIN_FAILED2           = 0x02,
+    LOGIN_BANNED            = 0x03,
+    LOGIN_UNKNOWN_ACCOUNT   = 0x04,
+    LOGIN_UNKNOWN_ACCOUNT3  = 0x05,
+    LOGIN_ALREADYONLINE     = 0x06,
+    LOGIN_NOTIME            = 0x07,
+    LOGIN_DBBUSY            = 0x08,
+    LOGIN_BADVERSION        = 0x09,
+    LOGIN_DOWNLOAD_FILE     = 0x0A,
+    LOGIN_FAILED3           = 0x0B,
+    LOGIN_SUSPENDED         = 0x0C,
+    LOGIN_FAILED4           = 0x0D,
+    LOGIN_CONNECTED         = 0x0E,
+    LOGIN_PARENTALCONTROL   = 0x0F,
+    LOGIN_LOCKED_ENFORCED   = 0x10,
+};
+
+//multirealm supported versions:
+//1.12.1 build 5875
+//1.12.2 build 6005
+//2.4.3 build 8606
+//3.1.3 build 9947
+//3.1.3 build 10146 Chinese build
+//3.2.2a build 10505
+//3.3.0a build 11159
+//3.3.2 build 11403
+//3.3.3a build 11723
+
+#define POST_BC_ACCEPTED_CLIENT_BUILD                 {11723, 11403, 11159, 10571, 10505, 10146, 9947, 8606, 0}
+#define PRE_BC_ACCEPTED_CLIENT_BUILD                  {5875, 6005, 0}
+
+#define POST_BC_EXP_FLAG                              0x2
+#define PRE_BC_EXP_FLAG                               0x1
+#define NO_VALID_EXP_FLAG                             0x0
+
+namespace AuthHelper
+{
+    bool IsAcceptedClientBuild(int build);
+    bool IsPostBCAcceptedClientBuild(int build);
+    bool IsPreBCAcceptedClientBuild(int build);
+};
+
+#endif

src/server/authserver/Realms/RealmList.cpp

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** \file
+    \ingroup realmd
+*/
+
+#include "Common.h"
+#include "RealmList.h"
+#include "Database/DatabaseEnv.h"
+
+
+extern DatabaseType LoginDatabase;
+
+RealmList::RealmList() : m_UpdateInterval(0), m_NextUpdateTime(time(NULL))
+{
+}
+
+/// Load the realm list from the database
+void RealmList::Initialize(uint32 updateInterval)
+{
+    m_UpdateInterval = updateInterval;
+
+    ///- Get the content of the realmlist table in the database
+    UpdateRealms(true);
+}
+
+void RealmList::UpdateRealm(uint32 ID, const std::string& name, const std::string& address, uint32 port, uint8 icon, uint8 color, uint8 timezone, AccountTypes allowedSecurityLevel, float popu, uint32 build)
+{
+    ///- Create new if not exist or update existed
+    Realm& realm = m_realms[name];
+
+    realm.m_ID      = ID;
+    realm.name      = name;
+    realm.icon      = icon;
+    realm.color     = color;
+    realm.timezone  = timezone;
+    realm.allowedSecurityLevel = allowedSecurityLevel;
+    realm.populationLevel        = popu;
+
+    ///- Append port to IP address.
+    std::ostringstream ss;
+    ss << address << ":" << port;
+    realm.address   = ss.str();
+    realm.gamebuild = build;
+}
+
+void RealmList::UpdateIfNeed()
+{
+    // maybe disabled or updated recently
+    if (!m_UpdateInterval || m_NextUpdateTime > time(NULL))
+        return;
+
+    m_NextUpdateTime = time(NULL) + m_UpdateInterval;
+
+    // Clears Realm list
+    m_realms.clear();
+
+    // Get the content of the realmlist table in the database
+    UpdateRealms(false);
+}
+
+void RealmList::UpdateRealms(bool init)
+{
+    sLog.outDetail("Updating Realm List...");
+
+    QueryResult_AutoPtr result = LoginDatabase.Query("SELECT id, name, address, port, icon, color, timezone, allowedSecurityLevel, population, gamebuild FROM realmlist WHERE color <> 3 ORDER BY name");
+
+    ///- Circle through results and add them to the realm map
+    if (result)
+    {
+        do
+        {
+            Field *fields = result->Fetch();
+
+            uint8 allowedSecurityLevel = fields[7].GetUInt8();
+
+            UpdateRealm(fields[0].GetUInt32(), fields[1].GetCppString(),fields[2].GetCppString(),fields[3].GetUInt32(),fields[4].GetUInt8(), fields[5].GetUInt8(), fields[6].GetUInt8(), (allowedSecurityLevel <= SEC_ADMINISTRATOR ? AccountTypes(allowedSecurityLevel) : SEC_ADMINISTRATOR), fields[8].GetFloat(), fields[9].GetUInt32());
+            if (init)
+                sLog.outString("Added realm \"%s\".", fields[1].GetString());
+        } while(result->NextRow());
+    }
+}

src/server/authserver/Realms/RealmList.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/// \addtogroup realmd
+/// @{
+/// \file
+
+#ifndef _REALMLIST_H
+#define _REALMLIST_H
+
+#include <ace/Singleton.h>
+#include <ace/Null_Mutex.h>
+#include "Common.h"
+
+/// Storage object for a realm
+struct Realm
+{
+    std::string address;
+    std::string name;
+    uint8 icon;
+    uint8 color;
+    uint8 timezone;
+    uint32 m_ID;
+    AccountTypes allowedSecurityLevel;
+    float populationLevel;
+    uint32 gamebuild;
+};
+
+/// Storage object for the list of realms on the server
+class RealmList
+{
+    public:
+        // Null_Mutex is safe because the singleton initialized before the acceptor initialized(another place where the singleton called)
+        static RealmList* instance() { return ACE_Singleton<RealmList, ACE_Null_Mutex>::instance(); }
+
+        typedef std::map<std::string, Realm> RealmMap;
+
+        RealmList();
+        ~RealmList() {}
+
+        void Initialize(uint32 updateInterval);
+
+        void UpdateIfNeed();
+
+        void AddRealm(Realm NewRealm) {m_realms[NewRealm.name] = NewRealm;}
+
+        RealmMap::const_iterator begin() const { return m_realms.begin(); }
+        RealmMap::const_iterator end() const { return m_realms.end(); }
+        uint32 size() const { return m_realms.size(); }
+    private:
+        void UpdateRealms(bool init);
+        void UpdateRealm(uint32 ID, const std::string& name, const std::string& address, uint32 port, uint8 icon, uint8 color, uint8 timezone, AccountTypes allowedSecurityLevel, float popu, uint32 build);
+    private:
+        RealmMap m_realms;                                  ///< Internal map of realms
+        uint32   m_UpdateInterval;
+        time_t   m_NextUpdateTime;
+};
+
+#define sRealmList RealmList::instance()
+
+#endif
+/// @}

src/server/authserver/Server/AuthSocket.h

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/// \addtogroup realmd
+/// @{
+/// \file
+
+#ifndef _AUTHSOCKET_H
+#define _AUTHSOCKET_H
+
+#include "Common.h"
+#include "Auth/BigNumber.h"
+
+#include "RealmSocket.h"
+
+enum RealmFlags
+{
+    REALM_FLAG_NONE         = 0x00,
+    REALM_FLAG_INVALID      = 0x01,
+    REALM_FLAG_OFFLINE      = 0x02,
+    REALM_FLAG_SPECIFYBUILD = 0x04,                         // client will show realm version in RealmList screen in form "RealmName (major.minor.revision.build)"
+    REALM_FLAG_UNK1         = 0x08,
+    REALM_FLAG_UNK2         = 0x10,
+    REALM_FLAG_RECOMMENDED  = 0x20,                         // client checks pop == 600f
+    REALM_FLAG_NEW          = 0x40,                         // client checks pop == 200f
+    REALM_FLAG_FULL         = 0x80                          // client checks pop == 400f
+};
+
+/// Handle login commands
+class AuthSocket: public RealmSocket::Session
+{
+    public:
+        const static int s_BYTE_SIZE = 32;
+
+        AuthSocket(RealmSocket& socket);
+        virtual ~AuthSocket(void);
+
+        virtual void OnRead(void);
+        virtual void OnAccept(void);
+        virtual void OnClose(void);
+
+        bool _HandleLogonChallenge();
+        bool _HandleLogonProof();
+        bool _HandleReconnectChallenge();
+        bool _HandleReconnectProof();
+        bool _HandleRealmList();
+        //data transfer handle for patch
+
+        bool _HandleXferResume();
+        bool _HandleXferCancel();
+        bool _HandleXferAccept();
+
+        void _SetVSFields(const std::string& rI);
+
+        FILE *pPatch;
+        ACE_Thread_Mutex patcherLock;
+
+    private:
+        RealmSocket& socket_;
+        RealmSocket& socket(void) { return socket_; }
+
+        BigNumber N, s, g, v;
+        BigNumber b, B;
+        BigNumber K;
+        BigNumber _reconnectProof;
+
+        bool _authed;
+
+        std::string _login;
+        std::string _safelogin;
+
+        // Since GetLocaleByName() is _NOT_ bijective, we have to store the locale as a string. Otherwise we can't differ
+        // between enUS and enGB, which is important for the patch system
+        std::string _localizationName;
+        uint16 _build;
+        uint8 _expversion;
+        AccountTypes _accountSecurityLevel;
+};
+#endif
+/// @}

src/server/authserver/Server/RealmAcceptor.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** \file
+  \ingroup realmd
+  */
+
+#ifndef __REALMACCEPTOR_H__
+#define __REALMACCEPTOR_H__
+
+#include <ace/Acceptor.h>
+#include <ace/SOCK_Acceptor.h>
+
+#include "RealmSocket.h"
+#include "AuthSocket.h"
+
+class RealmAcceptor : public ACE_Acceptor<RealmSocket, ACE_SOCK_Acceptor>
+{
+    public:
+        RealmAcceptor(void) { }
+        virtual ~RealmAcceptor(void) { }
+
+    protected:
+        virtual int make_svc_handler(RealmSocket *&sh)
+        {
+            if (sh == 0)
+                ACE_NEW_RETURN(sh, RealmSocket, -1);
+
+            sh->reactor(reactor());
+            sh->set_session(new AuthSocket(*sh));
+            return 0;
+        }
+};
+
+#endif /* __REALMACCEPTOR_H__ */

src/server/authserver/Server/RealmSocket.cpp

@@ -0,0 +1,324 @@
+/*
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** \file
+  \ingroup realmd
+  */
+
+#include "RealmSocket.h"
+
+#include "Log.h"
+
+#include <ace/OS_NS_string.h>
+#include <ace/INET_Addr.h>
+#include <ace/SString.h>
+
+#ifndef MSG_NOSIGNAL
+#define MSG_NOSIGNAL 0
+#endif
+
+RealmSocket::Session::Session(void)
+{
+}
+
+RealmSocket::Session::~Session(void)
+{
+}
+
+RealmSocket::RealmSocket(void):
+    session_(NULL),
+    input_buffer_(4096),
+    remote_address_()
+{
+    reference_counting_policy().value(
+            ACE_Event_Handler::Reference_Counting_Policy::ENABLED);
+
+    msg_queue()->high_water_mark(8*1024*1024);
+    msg_queue()->low_water_mark(8*1024*1024);
+
+}
+
+RealmSocket::~RealmSocket(void)
+{
+    if (msg_queue())
+        msg_queue()->close();
+
+    // delete RealmSocketObject must never be called from our code.
+    closing_ = true;
+
+    if (session_)
+        delete session_;
+
+    peer().close();
+}
+
+int RealmSocket::open(void * arg)
+{
+    ACE_INET_Addr addr;
+
+    if (peer ().get_remote_addr (addr) == -1)
+    {
+        sLog.outError ("RealmSocket::open: peer ().get_remote_addr errno = %s", ACE_OS::strerror (errno));
+        return -1;
+    }
+
+    remote_address_ = addr.get_host_addr();
+
+    // Register with ACE Reactor
+    if (Base::open(arg) == -1)
+        return -1;
+
+    if (session_ != NULL)
+    {
+        session_->OnAccept();
+    }
+
+    // reactor takes care of the socket from now on
+    remove_reference();
+
+    return 0;
+}
+
+int RealmSocket::close(int)
+{
+    shutdown();
+
+    closing_ = true;
+
+    remove_reference();
+
+    return 0;
+}
+
+const ACE_CString& RealmSocket::get_remote_address(void) const
+{
+    return remote_address_;
+}
+
+size_t RealmSocket::recv_len(void) const
+{
+    return input_buffer_.length();
+}
+
+bool RealmSocket::recv_soft(char *buf, size_t len)
+{
+    if (input_buffer_.length() < len)
+        return false;
+
+    ACE_OS::memcpy(buf, input_buffer_.rd_ptr(), len);
+
+    return true;
+}
+
+bool RealmSocket::recv(char *buf, size_t len)
+{
+    bool ret = recv_soft(buf, len);
+
+    if (ret)
+        recv_skip(len);
+
+    return ret;
+}
+
+void RealmSocket::recv_skip(size_t len)
+{
+    input_buffer_.rd_ptr(len);
+}
+
+ssize_t RealmSocket::noblk_send(ACE_Message_Block &message_block)
+{
+    const size_t len = message_block.length();
+
+    if (len == 0)
+        return -1;
+
+    // Try to send the message directly.
+    ssize_t n = peer().send(message_block.rd_ptr(), len, MSG_NOSIGNAL);
+
+    if (n < 0)
+    {
+        if (errno == EWOULDBLOCK)
+            // Blocking signal
+            return 0;
+        else
+            // Error happened
+            return -1;
+    }
+    else if (n == 0)
+    {
+        // Can this happen ?
+        return -1;
+    }
+
+    // return bytes transmitted
+    return n;
+}
+
+bool RealmSocket::send(const char *buf, size_t len)
+{
+    if (buf == NULL || len == 0)
+        return true;
+
+    ACE_Data_Block db(
+            len,
+            ACE_Message_Block::MB_DATA,
+            (const char*)buf,
+            0,
+            0,
+            ACE_Message_Block::DONT_DELETE,
+            0);
+
+    ACE_Message_Block message_block(
+            &db,
+            ACE_Message_Block::DONT_DELETE,
+            0);
+
+    message_block.wr_ptr(len);
+
+    if (msg_queue()->is_empty())
+    {
+        // Try to send it directly.
+        ssize_t n = noblk_send(message_block);
+
+        if (n < 0)
+            return false;
+        else if (n == len)
+            return true;
+
+        // fall down
+        message_block.rd_ptr((size_t)n);
+    }
+
+    ACE_Message_Block *mb = message_block.clone();
+
+    if (msg_queue()->enqueue_tail(mb, (ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
+    {
+        mb->release();
+        return false;
+    }
+
+    if (reactor()->schedule_wakeup(this, ACE_Event_Handler::WRITE_MASK) == -1)
+        return false;
+
+    return true;
+}
+
+int RealmSocket::handle_output(ACE_HANDLE /*= ACE_INVALID_HANDLE*/)
+{
+    if (closing_)
+        return -1;
+
+    ACE_Message_Block *mb = 0;
+
+    if (msg_queue()->is_empty())
+    {
+        reactor()->cancel_wakeup(this, ACE_Event_Handler::WRITE_MASK);
+        return 0;
+    }
+
+    if (msg_queue()->dequeue_head(mb, (ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
+        return -1;
+
+    ssize_t n = noblk_send(*mb);
+
+    if (n < 0)
+    {
+        mb->release();
+        return -1;
+    }
+    else if (n == mb->length())
+    {
+        mb->release();
+        return 1;
+    }
+    else
+    {
+        mb->rd_ptr(n);
+
+        if (msg_queue()->enqueue_head(mb, (ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
+        {
+            mb->release();
+            return -1;
+        }
+
+        return 0;
+    }
+
+    ACE_NOTREACHED(return -1);
+}
+
+int RealmSocket::handle_close(ACE_HANDLE h, ACE_Reactor_Mask /*m*/)
+{
+    // As opposed to WorldSocket::handle_close, we don't need locks here.
+
+    closing_ = true;
+
+    if (h == ACE_INVALID_HANDLE)
+        peer ().close_writer ();
+
+    if (session_ != NULL)
+    {
+        session_->OnClose();
+    }
+
+    return 0;
+}
+
+int RealmSocket::handle_input(ACE_HANDLE /*= ACE_INVALID_HANDLE*/)
+{
+    if (closing_)
+        return -1;
+
+    const ssize_t space = input_buffer_.space();
+
+    ssize_t n = peer().recv(input_buffer_.wr_ptr(), space);
+
+    if (n < 0)
+    {
+        return errno == EWOULDBLOCK ? 0 : -1;
+    }
+    else if (n == 0)
+    {
+        // EOF
+        return -1;
+    }
+
+    input_buffer_.wr_ptr((size_t)n);
+
+    if (session_ != NULL)
+    {
+        session_->OnRead();
+
+        input_buffer_.crunch();
+    }
+
+    // return 1 in case there is more data to read from OS
+    return n == space ? 1 : 0;
+}
+
+
+void RealmSocket::set_session(Session* session)
+{
+    if (session_ != NULL)
+        delete session_;
+
+    session_ = session;
+}
+

src/server/authserver/Server/RealmSocket.h

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/** \file
+  \ingroup realmd
+  */
+
+#ifndef __REALMSOCKET_H__
+#define __REALMSOCKET_H__
+
+#include <ace/Basic_Types.h>
+#include <ace/Synch_Traits.h>
+#include <ace/Svc_Handler.h>
+#include <ace/SOCK_Stream.h>
+#include <ace/Message_Block.h>
+#include <ace/Basic_Types.h>
+
+class RealmSocket : public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>
+{
+    private:
+        typedef ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH> Base;
+
+    public:
+        class Session
+        {
+            public:
+                Session(void);
+                virtual ~Session(void);
+
+                virtual void OnRead(void) = 0;
+                virtual void OnAccept(void) = 0;
+                virtual void OnClose(void) = 0;
+        };
+
+        RealmSocket(void);
+        virtual ~RealmSocket(void);
+
+        size_t recv_len(void) const;
+        bool recv_soft(char *buf, size_t len);
+        bool recv(char *buf, size_t len);
+        void recv_skip(size_t len);
+
+        bool send(const char *buf, size_t len);
+
+        const ACE_CString& get_remote_address(void) const;
+
+        virtual int open(void *);
+
+        virtual int close(int);
+
+        virtual int handle_input(ACE_HANDLE = ACE_INVALID_HANDLE);
+        virtual int handle_output(ACE_HANDLE = ACE_INVALID_HANDLE);
+
+        virtual int handle_close(ACE_HANDLE = ACE_INVALID_HANDLE,
+                ACE_Reactor_Mask = ACE_Event_Handler::ALL_EVENTS_MASK);
+
+        void set_session(Session* session);
+
+    private:
+        ssize_t noblk_send(ACE_Message_Block &message_block);
+
+    private:
+        ACE_Message_Block input_buffer_;
+        Session* session_;
+        ACE_CString remote_address_;
+};
+
+#endif /* __REALMSOCKET_H__ */