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refactor code

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Added common functions autoconf_check_readable and fail.
Added some TODOs for later completion.
Updated messages from upstream plugins.
This commit is contained in:
Helmut Grohne 2013-02-05 12:38:12 +01:00
parent e71641b88f
commit bb7bf0bcd7
15 changed files with 97 additions and 166 deletions
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29
tools/munin-plugins-busybox/open_files.c
View file

@ -5,20 +5,18 @@
#define FS_FILE_NR "/proc/sys/fs/file-nr"
/* TODO: support env.warning and friends after the upstream plugin is fixed */
int open_files(int argc, char **argv) {
FILE *f;
int alloc, freeh, avail;
if(argc > 1) {
if(!strcmp(argv[1], "config")) {
if(!(f=fopen(FS_FILE_NR, "r"))) {
fprintf(stderr, "cannot open " FS_FILE_NR "\n");
return 1;
}
if(!(f=fopen(FS_FILE_NR, "r")))
return fail("cannot open " FS_FILE_NR);
if(1 != fscanf(f, "%*d %*d %d", &avail)) {
fclose(f);
fprintf(stderr, "cannot read from " FS_FILE_NR
"\n");
return 1;
return fail("cannot read from " FS_FILE_NR);
}
fclose(f);
puts("graph_title File table usage\n"
@ -36,21 +34,14 @@ int open_files(int argc, char **argv) {
(int)(avail*0.92), (int)(avail*0.98));
return 0;
}
if(!strcmp(argv[1], "autoconf")) {
if(0 == access(FS_FILE_NR, R_OK))
return writeyes();
else
return writeno(FS_FILE_NR " not readable");
}
}
if(!(f=fopen(FS_FILE_NR, "r"))) {
fputs("cannot open " FS_FILE_NR "\n", stderr);
return 1;
if(!strcmp(argv[1], "autoconf"))
return autoconf_check_readable(FS_FILE_NR);
}
if(!(f=fopen(FS_FILE_NR, "r")))
return fail("cannot open " FS_FILE_NR);
if(3 != fscanf(f, "%d %d %d", &alloc, &freeh, &avail)) {
fclose(f);
fputs("cannot read from " FS_FILE_NR "\n", stderr);
return 1;
return fail("cannot read from " FS_FILE_NR);
}
fclose(f);
printf("used.value %d\nmax.value %d\n", alloc-freeh, avail);