1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* Copyright (C) 2001-2008 Jacek Sieka, arnetheduck on gmail point com
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DCPLUSPLUS_DCPP_USER_CONNECTION_H
#define DCPLUSPLUS_DCPP_USER_CONNECTION_H
#include "forward.h"
#include "TimerManager.h"
#include "UserConnectionListener.h"
#include "BufferedSocketListener.h"
#include "BufferedSocket.h"
#include "CriticalSection.h"
#include "File.h"
#include "User.h"
#include "AdcCommand.h"
#include "MerkleTree.h"
namespace dcpp {
class UserConnection : public Speaker<UserConnectionListener>,
private BufferedSocketListener, public Flags, private CommandHandler<UserConnection>,
private boost::noncopyable
{
public:
friend class ConnectionManager;
static const string FEATURE_MINISLOTS;
static const string FEATURE_XML_BZLIST;
static const string FEATURE_ADCGET;
static const string FEATURE_ZLIB_GET;
static const string FEATURE_TTHL;
static const string FEATURE_TTHF;
static const string FEATURE_ADC_BAS0;
static const string FEATURE_ADC_BASE;
static const string FEATURE_ADC_BZIP;
static const string FEATURE_ADC_TIGR;
static const string FILE_NOT_AVAILABLE;
enum Modes {
MODE_COMMAND = BufferedSocket::MODE_LINE,
MODE_DATA = BufferedSocket::MODE_DATA
};
enum Flags {
FLAG_NMDC = 0x01,
FLAG_OP = FLAG_NMDC << 1,
FLAG_UPLOAD = FLAG_OP << 1,
FLAG_DOWNLOAD = FLAG_UPLOAD << 1,
FLAG_INCOMING = FLAG_DOWNLOAD << 1,
FLAG_ASSOCIATED = FLAG_INCOMING << 1,
FLAG_HASSLOT = FLAG_ASSOCIATED << 1,
FLAG_HASEXTRASLOT = FLAG_HASSLOT << 1,
FLAG_INVALIDKEY = FLAG_HASEXTRASLOT << 1,
FLAG_SUPPORTS_MINISLOTS = FLAG_INVALIDKEY << 1,
FLAG_SUPPORTS_XML_BZLIST = FLAG_SUPPORTS_MINISLOTS << 1,
FLAG_SUPPORTS_ADCGET = FLAG_SUPPORTS_XML_BZLIST << 1,
FLAG_SUPPORTS_ZLIB_GET = FLAG_SUPPORTS_ADCGET << 1,
FLAG_SUPPORTS_TTHL = FLAG_SUPPORTS_ZLIB_GET << 1,
FLAG_SUPPORTS_TTHF = FLAG_SUPPORTS_TTHL << 1
};
enum States {
// ConnectionManager
STATE_UNCONNECTED,
STATE_CONNECT,
// Handshake
STATE_SUPNICK, // ADC: SUP, Nmdc: $Nick
STATE_INF,
STATE_LOCK,
STATE_DIRECTION,
STATE_KEY,
// UploadManager
STATE_GET, // Waiting for GET
STATE_SEND, // Waiting for $Send
// DownloadManager
STATE_SND, // Waiting for SND
STATE_IDLE, // No more downloads for the moment
// Up & down
STATE_RUNNING, // Transmitting data
};
short getNumber() { return (short)((((size_t)this)>>2) & 0x7fff); }
// NMDC stuff
void myNick(const string& aNick) { send("$MyNick " + Text::fromUtf8(aNick, encoding) + '|'); }
void lock(const string& aLock, const string& aPk) { send ("$Lock " + aLock + " Pk=" + aPk + '|'); }
void key(const string& aKey) { send("$Key " + aKey + '|'); }
void direction(const string& aDirection, int aNumber) { send("$Direction " + aDirection + " " + Util::toString(aNumber) + '|'); }
void fileLength(const string& aLength) { send("$FileLength " + aLength + '|'); }
void error(const string& aError) { send("$Error " + aError + '|'); }
void listLen(const string& aLength) { send("$ListLen " + aLength + '|'); }
void maxedOut() { isSet(FLAG_NMDC) ? send("$MaxedOut|") : send(AdcCommand(AdcCommand::SEV_RECOVERABLE, AdcCommand::ERROR_SLOTS_FULL, "Slots full")); }
void fileNotAvail(const std::string& msg = FILE_NOT_AVAILABLE) { isSet(FLAG_NMDC) ? send("$Error " + msg + "|") : send(AdcCommand(AdcCommand::SEV_RECOVERABLE, AdcCommand::ERROR_FILE_NOT_AVAILABLE, msg)); }
void supports(const StringList& feat);
// ADC Stuff
void sup(const StringList& features);
void inf(bool withToken);
void get(const string& aType, const string& aName, const int64_t aStart, const int64_t aBytes) { send(AdcCommand(AdcCommand::CMD_GET).addParam(aType).addParam(aName).addParam(Util::toString(aStart)).addParam(Util::toString(aBytes))); }
void snd(const string& aType, const string& aName, const int64_t aStart, const int64_t aBytes) { send(AdcCommand(AdcCommand::CMD_SND).addParam(aType).addParam(aName).addParam(Util::toString(aStart)).addParam(Util::toString(aBytes))); }
void send(const AdcCommand& c) { send(c.toString(0, isSet(FLAG_NMDC))); }
void setDataMode(int64_t aBytes = -1) { dcassert(socket); socket->setDataMode(aBytes); }
void setLineMode(size_t rollback) { dcassert(socket); socket->setLineMode(rollback); }
void connect(const string& aServer, uint16_t aPort) throw(SocketException, ThreadException);
void accept(const Socket& aServer) throw(SocketException, ThreadException);
void updated() { if(socket) socket->updated(); }
void disconnect(bool graceless = false) { if(socket) socket->disconnect(graceless); }
void transmitFile(InputStream* f) { socket->transmitFile(f); }
const string& getDirectionString() {
dcassert(isSet(FLAG_UPLOAD) ^ isSet(FLAG_DOWNLOAD));
return isSet(FLAG_UPLOAD) ? UPLOAD : DOWNLOAD;
}
const UserPtr& getUser() const { return user; }
UserPtr& getUser() { return user; }
bool isSecure() const { return socket && socket->isSecure(); }
bool isTrusted() const { return socket && socket->isTrusted(); }
std::string getCipherName() const { return socket ? socket->getCipherName() : Util::emptyString; }
string getRemoteIp() const { return socket->getIp(); }
Download* getDownload() { dcassert(isSet(FLAG_DOWNLOAD)); return download; }
void setDownload(Download* d) { dcassert(isSet(FLAG_DOWNLOAD)); download = d; }
Upload* getUpload() { dcassert(isSet(FLAG_UPLOAD)); return upload; }
void setUpload(Upload* u) { dcassert(isSet(FLAG_UPLOAD)); upload = u; }
void handle(AdcCommand::SUP t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::INF t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::GET t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::SND t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::STA t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::RES t, const AdcCommand& c) { fire(t, this, c); }
void handle(AdcCommand::GFI t, const AdcCommand& c) { fire(t, this, c); }
// Ignore any other ADC commands for now
template<typename T> void handle(T , const AdcCommand& ) { }
int64_t getChunkSize() const { return chunkSize; }
void updateChunkSize(int64_t leafSize, int64_t lastChunk, uint64_t ticks);
GETSET(string, hubUrl, HubUrl);
GETSET(string, token, Token);
GETSET(string, encoding, Encoding);
GETSET(States, state, State);
GETSET(uint64_t, lastActivity, LastActivity);
GETSET(double, speed, Speed);
private:
int64_t chunkSize;
BufferedSocket* socket;
bool secure;
UserPtr user;
static const string UPLOAD, DOWNLOAD;
union {
Download* download;
Upload* upload;
};
// We only want ConnectionManager to create this...
UserConnection(bool secure_) throw() : encoding(Text::systemCharset), state(STATE_UNCONNECTED),
lastActivity(0), speed(0), chunkSize(0), socket(0), secure(secure_), download(NULL) {
}
virtual ~UserConnection() throw() {
BufferedSocket::putSocket(socket);
}
friend struct DeleteFunction;
void setUser(const UserPtr& aUser) {
user = aUser;
}
void onLine(const string& aLine) throw();
void send(const string& aString) {
lastActivity = GET_TICK();
socket->write(aString);
}
virtual void on(Connected) throw();
virtual void on(Line, const string&) throw();
virtual void on(Data, uint8_t* data, size_t len) throw();
virtual void on(BytesSent, size_t bytes, size_t actual) throw() ;
virtual void on(ModeChange) throw();
virtual void on(TransmitDone) throw();
virtual void on(Failed, const string&) throw();
virtual void on(Updated) throw();
};
} // namespace dcpp
#endif // !defined(USER_CONNECTION_H)
|
