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
|
/* client.cpp
*
* Copyright (c) 2000, Alexander Neundorf
* neundorf@kde.org
*
* You may distribute under the terms of the GNU General Public
* License as specified in the COPYING file.
*
* 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.
*
*/
#include "netmanager.h"
#include "client.h"
#include "lisadefines.h"
#include <iostream>
#include <unistd.h>
#include <strings.h>
#ifdef LISA_DEBUG
#undef LISA_DEBUG
#endif
#ifdef dcerr
#undef dcerr
#endif
#define LISA_DEBUG 0
#define dcerr if (LISA_DEBUG==1) std::cerr<<"Client::"
Client::Client(NetManager* tqparent, int socketFD, int closeOnDelete)
:parentServer(tqparent)
,m_fd(socketFD)
,m_done(0)
,m_closeOnDelete(closeOnDelete)
{
dcerr<<"ctor created new client"<<std::endl;
if (m_fd==-1) m_done=1;
m_creationTime=time(0);
}
Client::Client()
:parentServer(0)
,m_fd(-1)
,m_done(1)
,m_closeOnDelete(1)
{
m_creationTime=time(0);
}
Client::Client(const Client& c)
:parentServer(c.parentServer)
,m_fd(c.m_fd)
,m_creationTime(c.m_creationTime)
,m_done(c.m_done)
,m_closeOnDelete(1)
{
dcerr<<"Client copy ctor"<<std::endl;
}
int Client::tryToGetInfo()
{
dcerr<<"tryToGetInfo: m_done: "<<m_done<<std::endl;
if (done()) return 1;
if (m_fd==-1)
{
close();
return 1;
}
dcerr<<"tryToGetInfo: calling data.getFile()"<<std::endl;
if (!parentServer->isInformed()) return 0;
//we fork now, so that writing to the client can't block the server process
/* int pid=fork();
if (pid==-1)
{
//tqparent
dcerr<<"NetScanner::scan: error occurred"<<std::endl;
return 1;
}
else if (pid!=0)
{
//tqparent
return 1;
};*/
//child
//this one does it all :-)
dcerr<<"tryToGetInfo: sending data to client"<<std::endl;
parentServer->writeDataToFD(fd(),0);
close();
//exit(0);
return 1;
}
void Client::close()
{
if (m_fd!=-1) ::close(m_fd);
m_fd=-1;
m_done=1;
}
void Client::read()
{
dcerr<<"read()"<<std::endl;
if (m_fd==-1) return;
char buf[1024];
//the clients should not send us something !
int result=::read(m_fd,buf,1024);
if (result>=0) close();
}
Client::~Client()
{
if (m_closeOnDelete)
close();
}
|
