src/Friend.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2008 Merkur ( devs@emule-project.net / http://www.emule-project.net )
   6 //
   7 // Any parts of this program derived from the xMule, lMule or eMule project,
   8 // or contributed by third-party developers are copyrighted by their
   9 // respective authors.
  10 //
  11 // This program is free software; you can redistribute it and/or modify
  12 // it under the terms of the GNU General Public License as published by
  13 // the Free Software Foundation; either version 2 of the License, or
  14 // (at your option) any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License
  22 // along with this program; if not, write to the Free Software
  23 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  24 //
  25
  26
  27 #include "Friend.h"                     // Interface declarations.
  28 #include "SafeFile.h"           // Needed for CFileDataIO
  29 #include "GuiEvents.h"          // Needed for Notify_*
  30
  31
  32 void CFriend::Init()
  33 {
  34         m_dwLastSeen = 0;
  35         m_dwLastUsedIP = 0;
  36         m_nLastUsedPort = 0;
  37         m_dwLastChatted = 0;
  38 }
  39
  40
  41 CFriend::CFriend( const CMD4Hash& userhash, uint32 tm_dwLastSeen, uint32 tm_dwLastUsedIP, uint32 tm_nLastUsedPort, uint32 tm_dwLastChatted, const wxString& tm_strName)
  42 {
  43         m_dwLastSeen = tm_dwLastSeen;
  44         m_dwLastUsedIP = tm_dwLastUsedIP;
  45         m_nLastUsedPort = tm_nLastUsedPort;
  46         m_dwLastChatted = tm_dwLastChatted;
  47         m_UserHash = userhash;
  48
  49         if (tm_strName.IsEmpty()) {
  50                 m_strName = wxT("?");
  51         } else {
  52                 m_strName = tm_strName;
  53         }
  54 }
  55
  56
  57 CFriend::CFriend(CClientRef client)
  58 {
  59         LinkClient(client);
  60
  61         m_dwLastChatted = 0;
  62 }
  63
  64
  65 void CFriend::LinkClient(CClientRef client)
  66 {
  67         wxASSERT(client.IsLinked());
  68
  69         // Link the friend to that client
  70         if (m_LinkedClient != client) {         // do nothing if already linked to this client
  71                 bool hadFriendslot = false;
  72                 if (m_LinkedClient.IsLinked()) { // What, is already linked?
  73                         hadFriendslot = m_LinkedClient.GetFriendSlot();
  74                         UnLinkClient(false);
  75                 }
  76                 m_LinkedClient = client;
  77                 m_LinkedClient.SetFriend(this);
  78                 if (hadFriendslot) {
  79                         // move an assigned friend slot between different client instances which are/were also friends
  80                         m_LinkedClient.SetFriendSlot(true);
  81                 }
  82         }
  83
  84         // always update (even if client stays the same)
  85         if ( !client.GetUserName().IsEmpty() ) {
  86                 m_strName = client.GetUserName();
  87         } else {
  88                 m_strName = wxT("?");
  89         }
  90         m_UserHash = client.GetUserHash();
  91         m_dwLastUsedIP = client.GetIP();
  92         m_nLastUsedPort = client.GetUserPort();
  93         m_dwLastSeen = time(NULL);
  94         // This will update the Link status also on GUI.
  95         Notify_ChatUpdateFriend(this);
  96 }
  97
  98
  99 void CFriend::UnLinkClient(bool notify)
 100 {
 101         if (m_LinkedClient.IsLinked()) {
 102                 // avoid that an unwanted client instance keeps a friend slot
 103                 if (m_LinkedClient.GetFriendSlot()) {
 104                         m_LinkedClient.SetFriendSlot(false);
 105                         CoreNotify_Upload_Resort_Queue();
 106                 }
 107                 m_LinkedClient.SetFriend(NULL);
 108                 m_LinkedClient.Unlink();
 109                 if (notify) {
 110                         Notify_ChatUpdateFriend(this);
 111                 }
 112         }
 113 }
 114
 115
 116 void CFriend::LoadFromFile(CFileDataIO* file)
 117 {
 118         wxASSERT( file );
 119
 120         m_UserHash = file->ReadHash();
 121         m_dwLastUsedIP = file->ReadUInt32();
 122         m_nLastUsedPort = file->ReadUInt16();
 123         m_dwLastSeen = file->ReadUInt32();
 124         m_dwLastChatted = file->ReadUInt32();
 125
 126         uint32 tagcount = file->ReadUInt32();
 127         for ( uint32 j = 0; j != tagcount; j++) {
 128                 CTag newtag(*file, true);
 129                 switch ( newtag.GetNameID() ) {
 130                         case FF_NAME:
 131                                 if (m_strName.IsEmpty()) {
 132                                         m_strName = newtag.GetStr();
 133                                 }
 134                                 break;
 135                 }
 136         }
 137 }
 138
 139
 140 void CFriend::WriteToFile(CFileDataIO* file)
 141 {
 142         wxASSERT( file );
 143         file->WriteHash(m_UserHash);
 144         file->WriteUInt32(m_dwLastUsedIP);
 145         file->WriteUInt16(m_nLastUsedPort);
 146         file->WriteUInt32(m_dwLastSeen);
 147         file->WriteUInt32(m_dwLastChatted);
 148
 149         uint32 tagcount = ( m_strName.IsEmpty() ? 0 : 2 );
 150         file->WriteUInt32(tagcount);
 151         if ( !m_strName.IsEmpty() ) {
 152                 CTagString nametag(FF_NAME, m_strName);
 153                 nametag.WriteTagToFile(file, utf8strOptBOM);
 154                 nametag.WriteTagToFile(file);
 155         }
 156 }
 157
 158
 159 bool CFriend::HasFriendSlot() {
 160         if (m_LinkedClient.IsLinked()) {
 161                 return m_LinkedClient.GetFriendSlot();
 162         } else {
 163                 return false;
 164         }
 165 }
 166 // File_checked_for_headers