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
|
#include <drizzled/global.h>
#include <drizzled/message/binary_log.h>
#include <iostream>
#include <fstream>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <getopt.h>
#include <fcntl.h>
#include <sys/stat.h>
using namespace std;
using namespace google;
static void print_usage_and_exit(char *prog) {
const char *name= strrchr(prog, '/');
if (name)
++name;
else
name= "binlog_reader";
cerr << "Usage: " << name << " <options>\n"
<< " --input name Read queries from file <name> (default: 'log.bin')\n"
<< flush;
exit(1);
}
int
main(int argc, char *argv[])
{
static struct option options[] = {
{ "input", 1 /* has_arg */, NULL, 0 },
{ 0, 0, 0, 0 }
};
const char *file_name= "log.bin";
int ch, option_index;
while ((ch= getopt_long(argc, argv, "", options, &option_index)) != -1) {
if (ch == '?')
print_usage_and_exit(argv[0]);
switch (option_index) {
case 0: // --input
file_name= optarg;
break;
}
}
if (optind > argc)
print_usage_and_exit(argv[0]);
filebuf fb;
fb.open(file_name, ios::in);
istream is(&fb);
protobuf::io::ZeroCopyInputStream* raw_input=
new protobuf::io::IstreamInputStream(&is);
protobuf::io::CodedInputStream *coded_input=
new protobuf::io::CodedInputStream(raw_input);
BinaryLog::Event event;
while (event.read(coded_input))
event.print(std::cout);
delete coded_input;
delete raw_input;
fb.close();
}
|