1 //
2 // This file is part of the aMule Project.
3 //
4 // Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
5 // Copyright (c) 2002-2011 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 
Init()32 void CFriend::Init()
33 {
34 	m_dwLastSeen = 0;
35 	m_dwLastUsedIP = 0;
36 	m_nLastUsedPort = 0;
37 	m_dwLastChatted = 0;
38 }
39 
40 
CFriend(const CMD4Hash & userhash,uint32 tm_dwLastSeen,uint32 tm_dwLastUsedIP,uint32 tm_nLastUsedPort,uint32 tm_dwLastChatted,const wxString & tm_strName)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 
CFriend(CClientRef client)57 CFriend::CFriend(CClientRef client)
58 {
59 	LinkClient(client);
60 
61 	m_dwLastChatted = 0;
62 }
63 
64 
LinkClient(CClientRef client)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 if (m_strName.IsEmpty()) {
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 
UnLinkClient(bool notify)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 
LoadFromFile(CFileDataIO * file)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 
WriteToFile(CFileDataIO * file)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 
HasFriendSlot()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
167