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
|
/* Copyright (C) 2009 Intel Corporation
Author: Andi Kleen
Client code to talk to the mcelog server.
mcelog 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.
mcelog 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 find a copy of v2 of the GNU General Public License somewhere
on your Linux system; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include "mcelog.h"
#include "client.h"
#include "paths.h"
#include "config.h"
/* Send a command to the mcelog server and dump output */
void ask_server(char *command)
{
struct sockaddr_un sun;
int fd;
int n;
char buf[1024];
int done;
char *path = config_string("server", "socket-path");
if (!path)
path = SOCKET_PATH;
fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (fd < 0)
SYSERRprintf("client socket");
sun.sun_family = AF_UNIX;
sun.sun_path[sizeof(sun.sun_path)-1] = 0;
strncpy(sun.sun_path, path, sizeof(sun.sun_path)-1);
if (connect(fd, (struct sockaddr *)&sun,
sizeof(struct sockaddr_un)) < 0)
SYSERRprintf("client connect");
n = strlen(command);
if (write(fd, command, n) != n)
SYSERRprintf("client command write");
done = 0;
while (!done && (n = read(fd, buf, sizeof buf)) > 0) {
if (n >= 5 && !memcmp(buf + n - 5, "done\n", 5)) {
n -= 5;
done = 1;
}
write(1, buf, n);
}
if (n < 0)
SYSERRprintf("client read");
}
|
