aboutsummaryrefslogtreecommitdiff
path: root/src/stable/client.cpp
blob: 7ae10f7557a6ece9ab236223e02c4beed7ed58ae (plain)
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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
/*
 * Copyright (C) 2007-2012 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#include "bu/client.h"
#include "bu/tcpsocket.h"
#include <stdlib.h>
#include <errno.h>
#include "bu/protocol.h"
#include "bu/clientlink.h"
#include "bu/clientlinkfactory.h"

/** Read buffer size. */
#define RBS		(2000) // 1500 is the nominal MTU for ethernet, it's a good guess

Bu::Client::Client( Bu::TcpSocket *pSocket,
		class Bu::ClientLinkFactory *pfLink ) :
	pTopStream( pSocket ),
	pSocket( pSocket ),
	pProto( NULL ),
	bWantsDisconnect( false ),
	pfLink( pfLink )
{
	lFilts.prepend( pSocket );
}

Bu::Client::~Client()
{
	for( FilterList::iterator i = lFilts.begin(); i; i++ )
	{
		delete *i;
	}
	pTopStream = pSocket = NULL;
	delete pfLink;
}

void Bu::Client::processInput()
{
	char buf[RBS];
	Bu::size nRead, nTotal=0;

	for(;;)
	{
		try
		{
			nRead = pTopStream->read( buf, RBS );

			if( nRead == 0 )
			{
				break;
			}
			else
			{
				nTotal += nRead;
				qbRead.write( buf, nRead );
				if( !pTopStream->canRead() )
					break;
			}
		}
		catch( Bu::TcpSocketException &e )
		{
			pTopStream->close();
			bWantsDisconnect = true;
			break;
		}
	}

	if( nTotal == 0 )
	{
		pTopStream->close();
		bWantsDisconnect = true;
	}

	if( pProto && nTotal )
	{
		pProto->onNewData( this );
	}
}

void Bu::Client::processOutput()
{
	char buf[RBS];
	if( qbWrite.getSize() > 0 )
	{
		int nAmnt = RBS;
		nAmnt = qbWrite.peek( buf, nAmnt );
		int nReal = pTopStream->write( buf, nAmnt );
		qbWrite.seek( nReal );
		pTopStream->flush();
	}
}

void Bu::Client::setProtocol( Protocol *pProto )
{
	this->pProto = pProto;
	this->pProto->onNewConnection( this );
}

Bu::Protocol *Bu::Client::getProtocol()
{
	return pProto;
}

void Bu::Client::clearProtocol()
{
	pProto = NULL;
}
/*
Bu::String &Bu::Client::getInput()
{
	return sReadBuf;
}

Bu::String &Bu::Client::getOutput()
{
	return sWriteBuf;
}
*/

bool Bu::Client::isOpen()
{
	if( !pTopStream ) return false;
	return pTopStream->isOpen();
}

Bu::size Bu::Client::write( const Bu::String &sData )
{
	return qbWrite.write( sData.getStr(), sData.getSize() );
}

Bu::size Bu::Client::write( const void *pData, Bu::size nBytes )
{
	return qbWrite.write( pData, nBytes );
}

Bu::size Bu::Client::write( int8_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( int16_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( int32_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( int64_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( uint8_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( uint16_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( uint32_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::write( uint64_t nData )
{
	return qbWrite.write( (const char *)&nData, sizeof(nData) );
}

Bu::size Bu::Client::read( void *pData, Bu::size nBytes )
{
	return qbRead.read( pData, nBytes );
}

Bu::size Bu::Client::peek( void *pData, int nBytes, int nOffset )
{
	return qbRead.peek( pData, nBytes, nOffset );
}

Bu::size Bu::Client::getInputSize()
{
	return qbRead.getSize();
}

Bu::size Bu::Client::getOutputSize()
{
	return qbWrite.getSize();
}

const Bu::TcpSocket *Bu::Client::getSocket() const
{
	return pSocket;
}

void Bu::Client::disconnect()
{
	bWantsDisconnect = true;
}

bool Bu::Client::wantsDisconnect()
{
	return bWantsDisconnect;
}

void Bu::Client::close()
{
	pTopStream->close();
}

Bu::ClientLink *Bu::Client::getLink()
{
	return pfLink->createLink( this );
}

void Bu::Client::onMessage( const Bu::String &sMsg )
{
	if( pProto )
		pProto->onMessage( this, sMsg );
}

void Bu::Client::tick()
{
	if( pProto )
		pProto->onTick( this );
}

Bu::size Bu::Client::tell()
{
	return 0;
}

void Bu::Client::seek( Bu::size offset )
{
	return qbRead.seek( offset );
}

void Bu::Client::setPos( Bu::size )
{
	throw Bu::ExceptionBase();
}

void Bu::Client::setPosEnd( Bu::size )
{
	throw Bu::ExceptionBase();
}

bool Bu::Client::isEos()
{
	return true;
}

void Bu::Client::flush()
{
	processOutput();
}

bool Bu::Client::canRead()
{
	return qbRead.getSize() > 0;
}

bool Bu::Client::canWrite()
{
	return true;
}

bool Bu::Client::isReadable()
{
	return true;
}

bool Bu::Client::isWritable()
{
	return true;
}

bool Bu::Client::isSeekable()
{
	return false;
}

bool Bu::Client::isBlocking()
{
	return false;
}

void Bu::Client::setBlocking( bool )
{
	throw Bu::ExceptionBase();
}

void Bu::Client::setSize( Bu::size )
{
	throw Bu::ExceptionBase();
}

Bu::size Bu::Client::getSize() const
{
	return 0;
}

Bu::size Bu::Client::getBlockSize() const
{
	return pSocket->getBlockSize();
}

Bu::String Bu::Client::getLocation() const
{
	return pSocket->getLocation();
}