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Location: cpp/openttd-patchpack/source/src/network/core/tcp_content.cpp - annotation
r12411:4ac6b3dd713f
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(svn r16855) -Codechange: remove unused 'conversion' stuff from the waypoint struct and make it more similar to Station.
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/**
* @file tcp_content.cpp Basic functions to receive and send Content packets.
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "../../debug.h"
#include "tcp_content.h"
ContentInfo::ContentInfo()
{
memset(this, 0, sizeof(*this));
}
ContentInfo::~ContentInfo()
{
free(this->dependencies);
free(this->tags);
}
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;
}
bool ContentInfo::IsSelected() const
{
switch (this->state) {
case ContentInfo::SELECTED:
case ContentInfo::AUTOSELECTED:
return true;
default:
return false;
}
}
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 an incoming packets by sending it to the correct function.
* @param p the received packet
*/
bool NetworkContentSocketHandler::HandlePacket(Packet *p)
{
PacketContentType type = (PacketContentType)p->Recv_uint8();
switch (this->HasClientQuit() ? PACKET_CONTENT_END : type) {
CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_LIST);
CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_ID);
CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID);
CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID_MD5);
CONTENT_COMMAND(PACKET_CONTENT_SERVER_INFO);
CONTENT_COMMAND(PACKET_CONTENT_CLIENT_CONTENT);
CONTENT_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
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 UDP level
*/
void NetworkContentSocketHandler::Recv_Packets()
{
Packet *p;
NetworkRecvStatus res;
while ((p = this->Recv_Packet(&res)) != NULL) {
bool cont = HandlePacket(p);
delete p;
if (!cont) return;
}
}
/**
* 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_CONTENT_RECEIVE_COMMAND(type) \
bool NetworkContentSocketHandler::NetworkPacketReceive_## type ##_command(Packet *p) { \
DEBUG(net, 0, "[tcp/content] received illegal packet type %d from %s", \
type, this->client_addr.GetAddressAsString()); \
return false; \
}
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_LIST);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_ID);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID_MD5);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_INFO);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_CONTENT);
DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
#endif /* ENABLE_NETWORK */
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