summaryrefslogtreecommitdiffstats
path: root/kopete/protocols/gadu/gadudccserver.cpp
blob: 13d61b3f58e579c2548740da3e8f918ac1488d78 (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
// -*- Mode: c++-mode; c-basic-offset: 2; indent-tabs-mode: t; tab-width: 2; -*-
//
// Copyright (C) 2004 Grzegorz Jaskiewicz <gj at pointblue.com.pl>
//
// gadurichtextformat.cpp
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.

#include <fcntl.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>

#include <netinet/in.h>

#include <kdebug.h>

#include "gadudccserver.h"
#include "libgadu.h"
#include "gaduaccount.h"

#include <tqobject.h>
#include <tqsocketnotifier.h>
#include <tqhostaddress.h>

GaduDCCServer::GaduDCCServer( TQHostAddress* dccIp, unsigned int port )
:TQObject()
{
	kdDebug( 14100 ) << "dcc socket NULL, creating new liteining socket " << endl;

	// don't care about UIN at that point
	dccSock = gg_dcc_socket_create( (unsigned int)-1, port );

	if ( dccSock == NULL ){
		kdDebug(14100) << "attempt to initialize gadu-dcc listeing socket FAILED" << endl;
		return;
	}

	kdDebug(14100) << "attempt to initialize gadu-dcc listeing socket sucess" << endl;

	// using global variables sucks, don't have too much choice thou
	if ( dccIp == NULL ) {
		gg_dcc_ip = 0xffffffff; // 255.255.255.255
	}
	else {
		gg_dcc_ip = htonl( dccIp->ip4Addr() );
	}
	gg_dcc_port = dccSock->port;

	createNotifiers( true );
	enableNotifiers( dccSock->check  );
}

GaduDCCServer::~GaduDCCServer()
{
	kdDebug( 14100 ) << "gadu dcc server destructor " << endl;
	closeDCC();
}

void
GaduDCCServer::closeDCC()
{
	if ( dccSock ) {
		disableNotifiers();
		destroyNotifiers();
		gg_dcc_free( dccSock );
		dccSock = NULL;
		gg_dcc_ip = 0;
		gg_dcc_port = 0;
	}

}

unsigned int
GaduDCCServer::listeingPort()
{
	if ( dccSock == NULL ) {
		return 0;
	}
// else
	return dccSock->port;
}

void
GaduDCCServer::destroyNotifiers()
{
	disableNotifiers();
	if ( read_ ) {
		delete read_;
		read_ = NULL;
	}
	if ( write_ ) {
		delete write_;
		write_ = NULL;
	}
}

void
GaduDCCServer::createNotifiers( bool connect )
{
	if ( !dccSock ){
		return;
	}

	read_ = new TQSocketNotifier( dccSock->fd, TQSocketNotifier::Read, this );
	read_->setEnabled( false );

	write_ = new TQSocketNotifier( dccSock->fd, TQSocketNotifier::Write, this );
	write_->setEnabled( false );

	if ( connect ) {
		TQObject::connect( read_, TQT_SIGNAL( activated( int ) ), TQT_SLOT( watcher() ) );
		TQObject::connect( write_, TQT_SIGNAL( activated( int ) ), TQT_SLOT( watcher() ) );
	}
}

void
GaduDCCServer::enableNotifiers( int checkWhat )
{
	if( (checkWhat & GG_CHECK_READ) && read_ ) {
		read_->setEnabled( true );
	}
	if( (checkWhat & GG_CHECK_WRITE) && write_ ) {
		write_->setEnabled( true );
	}
}

void
GaduDCCServer::disableNotifiers()
{
	if ( read_ ) {
		read_->setEnabled( false );
	}
	if ( write_ ) {
		write_->setEnabled( false );
	}
}

void
GaduDCCServer::watcher() {

	gg_event* dccEvent;
	bool handled = false;

	disableNotifiers();

	dccEvent = gg_dcc_watch_fd( dccSock );
	if ( ! dccEvent ) {
		// connection is bad
		// we should try to reenable it
//		closeDCC();
		return;
	}
	switch ( dccEvent->type ) {
		case GG_EVENT_NONE:
			break;
		case GG_EVENT_DCC_ERROR:
			kdDebug( 14100 ) << " dcc error occured " << endl;
			break;
		case GG_EVENT_DCC_NEW:
			// I do expect reciver to set this boolean to true if he handled signal
			// if so, no other reciver should be bothered with it, and I shall not close it
			// otherwise connection is closed as not handled
			emit incoming( dccEvent->event.dcc_new, handled );
			if ( !handled ) {
				if ( dccEvent->event.dcc_new->file_fd > 0) {
					close( dccEvent->event.dcc_new->file_fd );
				}
				gg_dcc_free( dccEvent->event.dcc_new );
			}
			break;
		default:
			kdDebug(14100) << "unknown/unhandled DCC EVENT: " << dccEvent->type << endl;
			break;
	}

	if ( dccEvent ) {
		gg_free_event( dccEvent );
	}

	enableNotifiers( dccSock->check );
}
#include "gadudccserver.moc"