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
|
/* Copyright (C) 2003 MySQL AB
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; version 2 of the License.
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 <ndb_global.h>
#include "InputStream.hpp"
#include <socket_io.h>
FileInputStream Stdin(stdin);
FileInputStream::FileInputStream(FILE * file)
: f(file) {
}
char*
FileInputStream::gets(char * buf, int bufLen){
if(!feof(f)){
return fgets(buf, bufLen, f);
}
return 0;
}
SocketInputStream::SocketInputStream(NDB_SOCKET_TYPE socket,
unsigned read_timeout_ms)
: m_socket(socket) {
m_startover= true;
m_timeout_remain= m_timeout_ms = read_timeout_ms;
m_timedout= false;
}
char*
SocketInputStream::gets(char * buf, int bufLen) {
if(timedout())
return 0;
assert(bufLen >= 2);
int offset= 0;
if(m_startover)
{
buf[0]= '\0';
m_startover= false;
}
else
offset= strlen(buf);
int time= 0;
int res = readln_socket(m_socket, m_timeout_remain, &time,
buf+offset, bufLen-offset, m_mutex);
if(res >= 0)
m_timeout_remain-=time;
if(res == 0 || m_timeout_remain<=0)
{
m_timedout= true;
buf[0]=0;
return buf;
}
m_startover= true;
if(res == -1)
{
return 0;
}
return buf;
}
|