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
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include "alloc-util.h"
#include "fd-util.h"
#include "journal-remote-parse.h"
#include "journald-native.h"
#include "parse-util.h"
#include "string-util.h"
void source_free(RemoteSource *source) {
if (!source)
return;
journal_importer_cleanup(&source->importer);
log_debug("Writer ref count %i", source->writer->n_ref);
writer_unref(source->writer);
sd_event_source_unref(source->event);
sd_event_source_unref(source->buffer_event);
free(source);
}
/**
* Initialize zero-filled source with given values. On success, takes
* ownership of fd, name, and writer, otherwise does not touch them.
*/
RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer) {
RemoteSource *source;
log_debug("Creating source for %sfd:%d (%s)",
passive_fd ? "passive " : "", fd, name);
assert(fd >= 0);
source = new0(RemoteSource, 1);
if (!source)
return NULL;
source->importer = JOURNAL_IMPORTER_MAKE(fd);
source->importer.passive_fd = passive_fd;
source->importer.name = name;
source->writer = writer;
return source;
}
int process_source(RemoteSource *source, bool compress, bool seal) {
int r;
assert(source);
assert(source->writer);
r = journal_importer_process_data(&source->importer);
if (r <= 0)
return r;
/* We have a full event */
log_trace("Received full event from source@%p fd:%d (%s)",
source, source->importer.fd, source->importer.name);
if (source->importer.iovw.count == 0) {
log_warning("Entry with no payload, skipping");
goto freeing;
}
assert(source->importer.iovw.iovec);
r = writer_write(source->writer,
&source->importer.iovw,
&source->importer.ts,
&source->importer.boot_id,
compress, seal);
if (r == -EBADMSG) {
log_error_errno(r, "Entry is invalid, ignoring.");
r = 0;
} else if (r < 0)
log_error_errno(r, "Failed to write entry of %zu bytes: %m",
iovw_size(&source->importer.iovw));
else
r = 1;
freeing:
journal_importer_drop_iovw(&source->importer);
return r;
}
|
