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https://github.com/EQEmu/Server.git
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KimLS
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/* EQEMu: Everquest Server Emulator
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Copyright (C) 2001-2010 EQEMu Development Team (http://eqemulator.net)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY except by those people which sell it, which
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are required to give you total support for your newly bought product;
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without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "server_manager.h"
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#include "login_server.h"
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#include "error_log.h"
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#include "login_structures.h"
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#include <stdlib.h>
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extern ErrorLog *server_log;
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extern LoginServer server;
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extern bool run_server;
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ServerManager::ServerManager()
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{
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char error_buffer[TCPConnection_ErrorBufferSize];
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int listen_port = atoi(server.config->GetVariable("options", "listen_port").c_str());
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tcps = new EmuTCPServer(listen_port, true);
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if(tcps->Open(listen_port, error_buffer))
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{
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server_log->Log(log_network, "ServerManager listening on port %u", listen_port);
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}
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else
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{
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server_log->Log(log_error, "ServerManager fatal error opening port on %u: %s", listen_port, error_buffer);
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run_server = false;
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}
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}
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ServerManager::~ServerManager()
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{
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if(tcps)
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{
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tcps->Close();
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delete tcps;
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}
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}
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void ServerManager::Process()
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{
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ProcessDisconnect();
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EmuTCPConnection *tcp_c = nullptr;
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while(tcp_c = tcps->NewQueuePop())
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{
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in_addr tmp;
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tmp.s_addr = tcp_c->GetrIP();
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server_log->Log(log_network, "New world server connection from %s:%d", inet_ntoa(tmp), tcp_c->GetrPort());
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WorldServer *cur = GetServerByAddress(tcp_c->GetrIP());
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if(cur)
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{
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server_log->Log(log_network, "World server already existed for %s, removing existing connection and updating current.", inet_ntoa(tmp));
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cur->GetConnection()->Free();
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cur->SetConnection(tcp_c);
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cur->Reset();
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}
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else
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{
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WorldServer *w = new WorldServer(tcp_c);
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world_servers.push_back(w);
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}
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}
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter)->Process() == false)
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{
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server_log->Log(log_world, "World server %s had a fatal error and had to be removed from the login.", (*iter)->GetLongName().c_str());
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delete (*iter);
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iter = world_servers.erase(iter);
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}
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else
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{
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++iter;
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}
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}
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}
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void ServerManager::ProcessDisconnect()
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{
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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EmuTCPConnection *c = (*iter)->GetConnection();
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if(!c->Connected())
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{
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in_addr tmp;
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tmp.s_addr = c->GetrIP();
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server_log->Log(log_network, "World server disconnected from the server, removing server and freeing connection.");
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c->Free();
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delete (*iter);
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iter = world_servers.erase(iter);
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}
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else
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{
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++iter;
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}
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}
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}
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WorldServer* ServerManager::GetServerByAddress(unsigned int address)
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{
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter)->GetConnection()->GetrIP() == address)
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{
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return (*iter);
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}
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++iter;
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}
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return nullptr;
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}
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EQApplicationPacket *ServerManager::CreateServerListPacket(Client *c)
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{
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unsigned int packet_size = sizeof(ServerListHeader_Struct);
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unsigned int server_count = 0;
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in_addr in;
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in.s_addr = c->GetConnection()->GetRemoteIP();
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string client_ip = inet_ntoa(in);
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter)->IsAuthorized() == false)
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{
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++iter;
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continue;
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}
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in.s_addr = (*iter)->GetConnection()->GetrIP();
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string world_ip = inet_ntoa(in);
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if(world_ip.compare(client_ip) == 0)
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{
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packet_size += (*iter)->GetLongName().size() + (*iter)->GetLocalIP().size() + 24;
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}
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else if(client_ip.find(server.options.GetLocalNetwork()) != string::npos)
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{
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packet_size += (*iter)->GetLongName().size() + (*iter)->GetLocalIP().size() + 24;
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}
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else
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{
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packet_size += (*iter)->GetLongName().size() + (*iter)->GetRemoteIP().size() + 24;
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}
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server_count++;
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++iter;
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}
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EQApplicationPacket *outapp = new EQApplicationPacket(OP_ServerListResponse, packet_size);
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ServerListHeader_Struct *sl = (ServerListHeader_Struct*)outapp->pBuffer;
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sl->Unknown1 = 0x00000004;
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sl->Unknown2 = 0x00000000;
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sl->Unknown3 = 0x01650000;
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/**
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* Not sure what this is but it should be noted setting it to
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* 0xFFFFFFFF crashes the client so: don't do that.
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*/
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sl->Unknown4 = 0x00000000;
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sl->NumberOfServers = server_count;
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unsigned char *data_ptr = outapp->pBuffer;
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data_ptr += sizeof(ServerListHeader_Struct);
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iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter)->IsAuthorized() == false)
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{
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++iter;
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continue;
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}
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in.s_addr = (*iter)->GetConnection()->GetrIP();
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string world_ip = inet_ntoa(in);
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if(world_ip.compare(client_ip) == 0)
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{
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memcpy(data_ptr, (*iter)->GetLocalIP().c_str(), (*iter)->GetLocalIP().size());
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data_ptr += ((*iter)->GetLocalIP().size() + 1);
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}
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else if(client_ip.find(server.options.GetLocalNetwork()) != string::npos)
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{
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memcpy(data_ptr, (*iter)->GetLocalIP().c_str(), (*iter)->GetLocalIP().size());
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data_ptr += ((*iter)->GetLocalIP().size() + 1);
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}
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else
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{
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memcpy(data_ptr, (*iter)->GetRemoteIP().c_str(), (*iter)->GetRemoteIP().size());
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data_ptr += ((*iter)->GetRemoteIP().size() + 1);
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}
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switch((*iter)->GetServerListID())
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{
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case 1:
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{
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*(unsigned int*)data_ptr = 0x00000030;
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break;
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}
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case 2:
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{
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*(unsigned int*)data_ptr = 0x00000009;
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break;
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}
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default:
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{
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*(unsigned int*)data_ptr = 0x00000001;
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}
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}
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data_ptr += 4;
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*(unsigned int*)data_ptr = (*iter)->GetRuntimeID();
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data_ptr += 4;
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memcpy(data_ptr, (*iter)->GetLongName().c_str(), (*iter)->GetLongName().size());
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data_ptr += ((*iter)->GetLongName().size() + 1);
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memcpy(data_ptr, "EN", 2);
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data_ptr += 3;
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memcpy(data_ptr, "US", 2);
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data_ptr += 3;
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// 0 = Up, 1 = Down, 2 = Up, 3 = down, 4 = locked, 5 = locked(down)
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if((*iter)->GetStatus() < 0)
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{
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if((*iter)->GetZonesBooted() == 0)
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{
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*(uint32*)data_ptr = 0x01;
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}
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else
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{
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*(uint32*)data_ptr = 0x04;
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}
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}
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else
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{
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*(uint32*)data_ptr = 0x02;
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}
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data_ptr += 4;
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*(uint32*)data_ptr = (*iter)->GetPlayersOnline();
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data_ptr += 4;
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++iter;
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}
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return outapp;
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}
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void ServerManager::SendUserToWorldRequest(unsigned int server_id, unsigned int client_account_id)
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{
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list<WorldServer*>::iterator iter = world_servers.begin();
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bool found = false;
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while(iter != world_servers.end())
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{
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if((*iter)->GetRuntimeID() == server_id)
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{
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ServerPacket *outapp = new ServerPacket(ServerOP_UsertoWorldReq, sizeof(UsertoWorldRequest_Struct));
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UsertoWorldRequest_Struct *utwr = (UsertoWorldRequest_Struct*)outapp->pBuffer;
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utwr->worldid = server_id;
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utwr->lsaccountid = client_account_id;
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(*iter)->GetConnection()->SendPacket(outapp);
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found = true;
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if(server.options.IsDumpInPacketsOn())
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{
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DumpPacket(outapp);
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}
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delete outapp;
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}
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++iter;
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}
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if(!found && server.options.IsTraceOn())
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{
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server_log->Log(log_client_error, "Client requested a user to world but supplied an invalid id of %u.", server_id);
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}
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}
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bool ServerManager::ServerExists(string l_name, string s_name, WorldServer *ignore)
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{
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter) == ignore)
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{
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++iter;
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continue;
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}
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if((*iter)->GetLongName().compare(l_name) == 0 && (*iter)->GetShortName().compare(s_name) == 0)
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{
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return true;
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}
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++iter;
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}
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return false;
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}
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void ServerManager::DestroyServerByName(string l_name, string s_name, WorldServer *ignore)
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{
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list<WorldServer*>::iterator iter = world_servers.begin();
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while(iter != world_servers.end())
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{
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if((*iter) == ignore)
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{
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++iter;
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}
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if((*iter)->GetLongName().compare(l_name) == 0 && (*iter)->GetShortName().compare(s_name) == 0)
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{
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EmuTCPConnection *c = (*iter)->GetConnection();
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if(c->Connected())
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{
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c->Disconnect();
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}
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c->Free();
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delete (*iter);
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iter = world_servers.erase(iter);
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}
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++iter;
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}
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}
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