network_content.h

Go to the documentation of this file.
00001 /* $Id: network_content.h 18809 2010-01-15 16:41:15Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef NETWORK_CONTENT_H
00013 #define NETWORK_CONTENT_H
00014 
00015 #include "core/tcp_content.h"
00016 
00017 #if defined(ENABLE_NETWORK)
00018 
00020 typedef SmallVector<ContentInfo *, 16> ContentVector;
00021 typedef SmallVector<const ContentInfo *, 16> ConstContentVector;
00022 
00024 typedef ContentInfo **ContentIterator;
00025 typedef const ContentInfo * const * ConstContentIterator;
00026 
00028 struct ContentCallback {
00033   virtual void OnConnect(bool success) {}
00034 
00038   virtual void OnDisconnect() {}
00039 
00044   virtual void OnReceiveContentInfo(const ContentInfo *ci) {}
00045 
00051   virtual void OnDownloadProgress(const ContentInfo *ci, uint bytes) {}
00052 
00057   virtual void OnDownloadComplete(ContentID cid) {}
00058 
00060   virtual ~ContentCallback() {}
00061 };
00062 
00066 class ClientNetworkContentSocketHandler : public NetworkContentSocketHandler, ContentCallback {
00067 protected:
00068   SmallVector<ContentCallback *, 2> callbacks; 
00069   SmallVector<ContentID, 4> requested;         
00070   ContentVector infos;                         
00071 
00072   FILE *curFile;        
00073   ContentInfo *curInfo; 
00074   bool isConnecting;    
00075   uint32 lastActivity;  
00076 
00077   friend class NetworkContentConnecter;
00078 
00079   DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_INFO);
00080   DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
00081 
00082   ContentInfo *GetContent(ContentID cid);
00083   void DownloadContentInfo(ContentID cid);
00084 
00085   void OnConnect(bool success);
00086   void OnDisconnect();
00087   void OnReceiveContentInfo(const ContentInfo *ci);
00088   void OnDownloadProgress(const ContentInfo *ci, uint bytes);
00089   void OnDownloadComplete(ContentID cid);
00090 public:
00092   static const int IDLE_TIMEOUT = 60 * 1000;
00093 
00094   ClientNetworkContentSocketHandler();
00095   ~ClientNetworkContentSocketHandler();
00096 
00097   void Connect();
00098   void SendReceive();
00099   void Close();
00100 
00101   void RequestContentList(ContentType type);
00102   void RequestContentList(uint count, const ContentID *content_ids);
00103   void RequestContentList(ContentVector *cv, bool send_md5sum = true);
00104 
00105   void DownloadSelectedContent(uint &files, uint &bytes);
00106 
00107   void Select(ContentID cid);
00108   void Unselect(ContentID cid);
00109   void SelectAll();
00110   void SelectUpgrade();
00111   void UnselectAll();
00112   void ToggleSelectedState(const ContentInfo *ci);
00113 
00114   void ReverseLookupDependency(ConstContentVector &parents, const ContentInfo *child) const;
00115   void ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const;
00116   void CheckDependencyState(ContentInfo *ci);
00117 
00119   uint Length() const { return this->infos.Length(); }
00121   ConstContentIterator Begin() const { return this->infos.Begin(); }
00123   ConstContentIterator Get(uint32 index) const { return this->infos.Get(index); }
00125   ConstContentIterator End() const { return this->infos.End(); }
00127   void Clear();
00128 
00130   void AddCallback(ContentCallback *cb) { this->callbacks.Include(cb); }
00132   void RemoveCallback(ContentCallback *cb) { this->callbacks.Erase(this->callbacks.Find(cb)); }
00133 };
00134 
00135 extern ClientNetworkContentSocketHandler _network_content_client;
00136 
00137 void ShowNetworkContentListWindow(ContentVector *cv = NULL, ContentType type = CONTENT_TYPE_END);
00138 
00139 #else
00140 static inline void ShowNetworkContentListWindow() {}
00141 #endif /* ENABLE_NETWORK */
00142 
00143 #endif /* NETWORK_CONTENT_H */

Generated on Wed Jan 20 23:38:36 2010 for OpenTTD by  doxygen 1.5.6