wt/finit
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Refactor: Move client code to separate file and add 'status' command.

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2015-06-07 12:09:55 +02:00
1 parent 97a48ec5fb
commit 811bd75eab
5 files changed
+172 -80
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finit.c
+2 -75
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@@ -1,7 +1,7 @@
/* Finit - Extremely fast /sbin/init replacement w/ I/O, hook & service plugins
/* Finit - Fast /sbin/init replacement w/ I/O, hook & service plugins
*
* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
* Copyright (c) 2008-2014 Joachim Nilsson <troglobit@gmail.com>
* Copyright (c) 2008-2015 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -26,7 +26,6 @@
#include <ctype.h>
#include <dirent.h>
#include <sys/stat.h> /* umask(), mkdir() */
#include <getopt.h>
#include "finit.h"
#include "helpers.h"
@@ -72,78 +71,6 @@ static void parse_kernel_cmdline(void)
}
}
static int usage(int rc)
{
fprintf(stderr, "Usage: %s [OPTIONS] [RUNLEVEL]\n\n"
" -d, --debug Enable/Disable debug\n"
" -h, --help This help text\n\n", __progname);
return rc;
}
static int client(int argc, char *argv[])
{
int fd;
int c;
int result = -1;
ssize_t len;
struct option long_options[] = {
{"debug", 0, NULL, 'd'},
{"help", 0, NULL, 'h'},
{NULL, 0, NULL, 0}
};
struct init_request rq = {
.magic = INIT_MAGIC,
.cmd = 0
};
while ((c = getopt_long(argc, argv, "h?d", long_options, NULL)) != EOF) {
switch(c) {
case 'd':
rq.cmd = INIT_CMD_DEBUG;
break;
case 'h':
case '?':
return usage(0);
default:
return usage(1);
}
}
if (!rq.cmd) {
if (argc < 2) {
fprintf(stderr, "Missing runlevel.\n");
return 1;
}
rq.cmd = INIT_CMD_RUNLVL;
rq.runlevel = (int)argv[1][0];
}
if (!fexist(FINIT_FIFO)) {
fprintf(stderr, "/sbin/init does not support %s!\n", FINIT_FIFO);
return 1;
}
fd = open(FINIT_FIFO, O_RDWR);
if (-1 == fd) {
perror("Failed opening " FINIT_FIFO);
return 1;
}
len = write(fd, &rq, sizeof(rq));
if (len == sizeof(rq)) {
len = read(fd, &rq, sizeof(rq));
if (len == sizeof(rq) && rq.cmd == INIT_CMD_ACK)
result = 0;
}
close(fd);
return result;
}
static void banner(void)
{
delline();