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Location: cpp/openttd-patchpack/source/src/network/core/tcp_content.cpp
r18888:85a70466940e
5.5 KiB
text/x-c
(svn r23747) -Fix (r23746): forgot one more case
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | /* $Id$ */
/*
* 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/>.
*/
/**
* @file tcp_content.cpp Basic functions to receive and send Content packets.
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "tcp_content.h"
/** Clear everything in the struct */
ContentInfo::ContentInfo()
{
memset(this, 0, sizeof(*this));
}
/** Free everything allocated */
ContentInfo::~ContentInfo()
{
free(this->dependencies);
free(this->tags);
}
/**
* Copy data from other #ContentInfo and take ownership of allocated stuff.
* @param other Source to copy from. #dependencies and #tags will be NULLed.
*/
void ContentInfo::TransferFrom(ContentInfo *other)
{
if (other != this) {
free(this->dependencies);
free(this->tags);
memcpy(this, other, sizeof(ContentInfo));
other->dependencies = NULL;
other->tags = NULL;
}
}
/**
* Get the size of the data as send over the network.
* @return the size.
*/
size_t ContentInfo::Size() const
{
size_t len = 0;
for (uint i = 0; i < this->tag_count; i++) len += strlen(this->tags[i]) + 1;
/* The size is never larger than the content info size plus the size of the
* tags and dependencies */
return sizeof(*this) +
sizeof(this->dependency_count) +
sizeof(*this->dependencies) * this->dependency_count;
}
/**
* Is the state either selected or autoselected?
* @return true iff that's the case
*/
bool ContentInfo::IsSelected() const
{
switch (this->state) {
case ContentInfo::SELECTED:
case ContentInfo::AUTOSELECTED:
case ContentInfo::ALREADY_HERE:
return true;
default:
return false;
}
}
/**
* Is the information from this content info valid?
* @return true iff it's valid
*/
bool ContentInfo::IsValid() const
{
return this->state < ContentInfo::INVALID && this->type >= CONTENT_TYPE_BEGIN && this->type < CONTENT_TYPE_END;
}
void NetworkContentSocketHandler::Close()
{
CloseConnection();
if (this->sock == INVALID_SOCKET) return;
closesocket(this->sock);
this->sock = INVALID_SOCKET;
}
/**
* Defines a simple (switch) case for each network packet
* @param type the packet type to create the case for
*/
#define CONTENT_COMMAND(type) case type: return this->NetworkPacketReceive_ ## type ## _command(p); break;
/**
* Handle the given packet, i.e. pass it to the right
* parser receive command.
* @param p the packet to handle
* @return true if we should immediately handle further packets, false otherwise
*/
bool NetworkContentSocketHandler::HandlePacket(Packet *p)
{
PacketContentType type = (PacketContentType)p->Recv_uint8();
switch (this->HasClientQuit() ? PACKET_CONTENT_END : type) {
case PACKET_CONTENT_CLIENT_INFO_LIST: return this->Receive_CLIENT_INFO_LIST(p);
case PACKET_CONTENT_CLIENT_INFO_ID: return this->Receive_CLIENT_INFO_ID(p);
case PACKET_CONTENT_CLIENT_INFO_EXTID: return this->Receive_CLIENT_INFO_EXTID(p);
case PACKET_CONTENT_CLIENT_INFO_EXTID_MD5: return this->Receive_CLIENT_INFO_EXTID_MD5(p);
case PACKET_CONTENT_SERVER_INFO: return this->Receive_SERVER_INFO(p);
case PACKET_CONTENT_CLIENT_CONTENT: return this->Receive_CLIENT_CONTENT(p);
case PACKET_CONTENT_SERVER_CONTENT: return this->Receive_SERVER_CONTENT(p);
default:
if (this->HasClientQuit()) {
DEBUG(net, 0, "[tcp/content] received invalid packet type %d from %s", type, this->client_addr.GetAddressAsString());
} else {
DEBUG(net, 0, "[tcp/content] received illegal packet from %s", this->client_addr.GetAddressAsString());
}
return false;
}
}
/**
* Receive a packet at TCP level
*/
void NetworkContentSocketHandler::ReceivePackets()
{
Packet *p;
while ((p = this->ReceivePacket()) != NULL) {
bool cont = this->HandlePacket(p);
delete p;
if (!cont) return;
}
}
/**
* Helper for logging receiving invalid packets.
* @param type The received packet type.
* @return Always false, as it's an error.
*/
bool NetworkContentSocketHandler::ReceiveInvalidPacket(PacketContentType type)
{
DEBUG(net, 0, "[tcp/content] received illegal packet type %d from %s", type, this->client_addr.GetAddressAsString());
return false;
}
bool NetworkContentSocketHandler::Receive_CLIENT_INFO_LIST(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_CLIENT_INFO_LIST); }
bool NetworkContentSocketHandler::Receive_CLIENT_INFO_ID(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_CLIENT_INFO_ID); }
bool NetworkContentSocketHandler::Receive_CLIENT_INFO_EXTID(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_CLIENT_INFO_EXTID); }
bool NetworkContentSocketHandler::Receive_CLIENT_INFO_EXTID_MD5(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_CLIENT_INFO_EXTID_MD5); }
bool NetworkContentSocketHandler::Receive_SERVER_INFO(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_SERVER_INFO); }
bool NetworkContentSocketHandler::Receive_CLIENT_CONTENT(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_CLIENT_CONTENT); }
bool NetworkContentSocketHandler::Receive_SERVER_CONTENT(Packet *p) { return this->ReceiveInvalidPacket(PACKET_CONTENT_SERVER_CONTENT); }
#endif /* ENABLE_NETWORK */
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