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
|
#include "CopyJob.h"
#include "General.h"
#include "config.h"
CopyJob::CopyJob(Handle * as, Handle * ad, ssize_t asiz, bool ads, bool add) : s(as), d(ad), ds(ads), dd(add), siz(asiz), cursiz(0), r(0) {
s->SetNonBlock();
d->SetNonBlock();
WaitFor(s, W4_READING);
}
CopyJob::~CopyJob() {
if (ds) {
delete s;
}
if (dd) {
delete d;
}
}
int CopyJob::Do() throw (GeneralException) {
int tr;
switch (current) {
case 0:
tr = siz >= 0 ? siz - cursiz : COPY_BUFSIZ;
try {
r = s->read(buffer, MIN(COPY_BUFSIZ, tr));
// cerr << "CopyJob: read " << r << " bytes: " << endl;
// buffer[r] = 0;
// cerr << buffer << endl;
}
catch (IOAgain e) {
WaitFor(s, W4_READING);
Suspend(TASK_ON_HOLD);
}
if (!r) {
return TASK_DONE;
}
case 1:
try {
d->write(buffer, r);
}
catch (IOAgain e) {
current = 1;
WaitFor(d, W4_WRITING);
Suspend(TASK_ON_HOLD);
}
current = 0;
}
cursiz += r;
if (!s->IsClosed() && (siz != cursiz)) {
WaitFor(s, W4_READING);
Suspend(TASK_ON_HOLD);
}
return TASK_DONE;
}
String CopyJob::GetName() {
return (String(_("CopyJob from ")) + s->GetName() + _(" to ") + d->GetName());
}
|