tcp_content.cpp
Go to the documentation of this file.00001
00002
00007 #ifdef ENABLE_NETWORK
00008
00009 #include "../../stdafx.h"
00010 #include "../../debug.h"
00011 #include "tcp_content.h"
00012
00013 ContentInfo::ContentInfo()
00014 {
00015 memset(this, 0, sizeof(*this));
00016 }
00017
00018 ContentInfo::~ContentInfo()
00019 {
00020 free(this->dependencies);
00021 free(this->tags);
00022 }
00023
00024 size_t ContentInfo::Size() const
00025 {
00026 size_t len = 0;
00027 for (uint i = 0; i < this->tag_count; i++) len += strlen(this->tags[i]) + 1;
00028
00029
00030
00031 return sizeof(*this) +
00032 sizeof(this->dependency_count) +
00033 sizeof(*this->dependencies) * this->dependency_count;
00034 }
00035
00036 bool ContentInfo::IsSelected() const
00037 {
00038 switch (this->state) {
00039 case ContentInfo::SELECTED:
00040 case ContentInfo::AUTOSELECTED:
00041 case ContentInfo::ALREADY_HERE:
00042 return true;
00043
00044 default:
00045 return false;
00046 }
00047 }
00048
00049 bool ContentInfo::IsValid() const
00050 {
00051 return this->state < ContentInfo::INVALID && this->type >= CONTENT_TYPE_BEGIN && this->type < CONTENT_TYPE_END;
00052 }
00053
00054 void NetworkContentSocketHandler::Close()
00055 {
00056 CloseConnection();
00057 if (this->sock == INVALID_SOCKET) return;
00058
00059 closesocket(this->sock);
00060 this->sock = INVALID_SOCKET;
00061 }
00062
00067 #define CONTENT_COMMAND(type) case type: return this->NetworkPacketReceive_ ## type ## _command(p); break;
00068
00073 bool NetworkContentSocketHandler::HandlePacket(Packet *p)
00074 {
00075 PacketContentType type = (PacketContentType)p->Recv_uint8();
00076
00077 switch (this->HasClientQuit() ? PACKET_CONTENT_END : type) {
00078 CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_LIST);
00079 CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_ID);
00080 CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID);
00081 CONTENT_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID_MD5);
00082 CONTENT_COMMAND(PACKET_CONTENT_SERVER_INFO);
00083 CONTENT_COMMAND(PACKET_CONTENT_CLIENT_CONTENT);
00084 CONTENT_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
00085
00086 default:
00087 if (this->HasClientQuit()) {
00088 DEBUG(net, 0, "[tcp/content] received invalid packet type %d from %s:%d", type, inet_ntoa(this->client_addr.sin_addr), ntohs(this->client_addr.sin_port));
00089 } else {
00090 DEBUG(net, 0, "[tcp/content] received illegal packet from %s:%d", inet_ntoa(this->client_addr.sin_addr), ntohs(this->client_addr.sin_port));
00091 }
00092 return false;
00093 }
00094 }
00095
00099 void NetworkContentSocketHandler::Recv_Packets()
00100 {
00101 Packet *p;
00102 NetworkRecvStatus res;
00103 while ((p = this->Recv_Packet(&res)) != NULL) {
00104 bool cont = HandlePacket(p);
00105 delete p;
00106 if (!cont) return;
00107 }
00108 }
00109
00116 #define DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(type) \
00117 bool NetworkContentSocketHandler::NetworkPacketReceive_## type ##_command(Packet *p) { \
00118 DEBUG(net, 0, "[tcp/content] received illegal packet type %d from %s:%d", \
00119 type, inet_ntoa(this->client_addr.sin_addr), ntohs(this->client_addr.sin_port)); \
00120 return false; \
00121 }
00122
00123 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_LIST);
00124 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_ID);
00125 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID);
00126 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_INFO_EXTID_MD5);
00127 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_INFO);
00128 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_CLIENT_CONTENT);
00129 DEFINE_UNAVAILABLE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
00130
00131 #endif