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(svn r20963) -Add: stubs for a remote administration connection
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,119 @@ | ||
| /* $Id$ */ | ||
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| /* | ||
| * This file is part of OpenTTD. | ||
| * OpenTTD 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, version 2. | ||
| * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
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| /** | ||
| * @file tcp_admin.cpp Basic functions to receive and send TCP packets to and from the admin network. | ||
| */ | ||
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| #ifdef ENABLE_NETWORK | ||
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| #include "../../stdafx.h" | ||
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| #include "../network_internal.h" | ||
| #include "tcp_admin.h" | ||
| #include "../../debug.h" | ||
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| NetworkAdminSocketHandler::NetworkAdminSocketHandler(SOCKET s) | ||
| { | ||
| this->sock = s; | ||
| } | ||
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| NetworkAdminSocketHandler::~NetworkAdminSocketHandler() | ||
| { | ||
| } | ||
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| NetworkRecvStatus NetworkAdminSocketHandler::CloseConnection(bool error) | ||
| { | ||
| delete this; | ||
| return NETWORK_RECV_STATUS_CONN_LOST; | ||
| } | ||
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| /** | ||
| * Defines a simple (switch) case for each network packet. | ||
| * @param type the packet type to create the case for. | ||
| */ | ||
| #define ADMIN_COMMAND(type) case type: return this->NetworkPacketReceive_ ## type ## _command(p); break; | ||
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| /** | ||
| * Handle the given packet, i.e. pass it to the right parser receive command. | ||
| * @param p the packet to handle. | ||
| * @return #NetworkRecvStatus of handling. | ||
| */ | ||
| NetworkRecvStatus NetworkAdminSocketHandler::HandlePacket(Packet *p) | ||
| { | ||
| PacketAdminType type = (PacketAdminType)p->Recv_uint8(); | ||
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| switch (this->HasClientQuit() ? INVALID_ADMIN_PACKET : type) { | ||
| ADMIN_COMMAND(ADMIN_PACKET_ADMIN_JOIN) | ||
| ADMIN_COMMAND(ADMIN_PACKET_ADMIN_QUIT) | ||
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| ADMIN_COMMAND(ADMIN_PACKET_SERVER_FULL) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_BANNED) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_ERROR) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_PROTOCOL) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_WELCOME) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_NEWGAME) | ||
| ADMIN_COMMAND(ADMIN_PACKET_SERVER_SHUTDOWN) | ||
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| default: | ||
| if (this->HasClientQuit()) { | ||
| DEBUG(net, 0, "[tcp/admin] received invalid packet type %d from '%s' (%s)", type, this->admin_name, this->admin_version); | ||
| } else { | ||
| DEBUG(net, 0, "[tcp/admin] received illegal packet from '%s' (%s)", this->admin_name, this->admin_version); | ||
| } | ||
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| this->CloseConnection(); | ||
| return NETWORK_RECV_STATUS_MALFORMED_PACKET; | ||
| } | ||
| } | ||
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| /** | ||
| * Do the actual receiving of packets. | ||
| * As long as HandlePacket returns OKAY packets are handled. Upon | ||
| * failure, or no more packets to process the last result of | ||
| * HandlePacket is returned. | ||
| * @return #NetworkRecvStatus of the last handled packet. | ||
| */ | ||
| NetworkRecvStatus NetworkAdminSocketHandler::Recv_Packets() | ||
| { | ||
| Packet *p; | ||
| while ((p = this->Recv_Packet()) != NULL) { | ||
| NetworkRecvStatus res = HandlePacket(p); | ||
| if (res != NETWORK_RECV_STATUS_OKAY) return res; | ||
| } | ||
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| return NETWORK_RECV_STATUS_OKAY; | ||
| } | ||
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| /** | ||
| * Create stub implementations for all receive commands that only | ||
| * show a warning that the given command is not available for the | ||
| * socket where the packet came from. | ||
| * @param type the packet type to create the stub for. | ||
| */ | ||
| #define DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(type) \ | ||
| NetworkRecvStatus NetworkAdminSocketHandler::NetworkPacketReceive_## type ##_command(Packet *p) \ | ||
| { \ | ||
| DEBUG(net, 0, "[tcp/admin] received illegal packet type %d from admin %s (%s)", \ | ||
| type, this->admin_name, this->admin_version); \ | ||
| return NETWORK_RECV_STATUS_MALFORMED_PACKET; \ | ||
| } | ||
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| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_ADMIN_JOIN) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_ADMIN_QUIT) | ||
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| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_FULL) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_BANNED) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_ERROR) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_PROTOCOL) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_WELCOME) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_NEWGAME) | ||
| DEFINE_UNAVAILABLE_ADMIN_RECEIVE_COMMAND(ADMIN_PACKET_SERVER_SHUTDOWN) | ||
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| #endif /* ENABLE_NETWORK */ |
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