return buffer;
}
+static inline int is_read_only(const char *s) {
+ if(!s) return 0;
+
+ size_t len = strlen(s);
+ if(len < 2) return 0;
+ if(len == 2) {
+ if(!strcmp(s, "ro")) return 1;
+ return 0;
+ }
+ if(!strncmp(s, "ro,", 3)) return 1;
+ if(!strncmp(&s[len - 3], ",ro", 3)) return 1;
+ if(strstr(s, ",ro,")) return 1;
+ return 0;
+}
+
// read the whole mountinfo into a linked list
-struct mountinfo *mountinfo_read() {
+struct mountinfo *mountinfo_read(int do_statvfs) {
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/self/mountinfo", global_host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/self/mountinfo", netdata_configured_host_prefix);
procfile *ff = procfile_open(filename, " \t", PROCFILE_FLAG_DEFAULT);
if(unlikely(!ff)) {
- snprintfz(filename, FILENAME_MAX, "%s/proc/1/mountinfo", global_host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/1/mountinfo", netdata_configured_host_prefix);
ff = procfile_open(filename, " \t", PROCFILE_FLAG_DEFAULT);
if(unlikely(!ff)) return NULL;
}
mi = mallocz(sizeof(struct mountinfo));
unsigned long w = 0;
- mi->id = strtoul(procfile_lineword(ff, l, w), NULL, 10); w++;
- mi->parentid = strtoul(procfile_lineword(ff, l, w), NULL, 10); w++;
+ mi->id = str2ul(procfile_lineword(ff, l, w)); w++;
+ mi->parentid = str2ul(procfile_lineword(ff, l, w)); w++;
char *major = procfile_lineword(ff, l, w), *minor; w++;
for(minor = major; *minor && *minor != ':' ;minor++) ;
mi->flags = 0;
- mi->major = strtoul(major, NULL, 10);
- mi->minor = strtoul(minor, NULL, 10);
+ mi->major = str2ul(major);
+ mi->minor = str2ul(minor);
mi->root = strdupz(procfile_lineword(ff, l, w)); w++;
mi->root_hash = simple_hash(mi->root);
mi->mount_options = strdupz(procfile_lineword(ff, l, w)); w++;
+ if(unlikely(is_read_only(mi->mount_options)))
+ mi->flags |= MOUNTINFO_READONLY;
+
// count the optional fields
/*
unsigned long wo = w;
mi->filesystem = strdupz(procfile_lineword(ff, l, w)); w++;
mi->filesystem_hash = simple_hash(mi->filesystem);
- mi->mount_source = strdupz(procfile_lineword(ff, l, w)); w++;
+ mi->mount_source = strdupz_decoding_octal(procfile_lineword(ff, l, w)); w++;
mi->mount_source_hash = simple_hash(mi->mount_source);
mi->super_options = strdupz(procfile_lineword(ff, l, w)); w++;
+ if(unlikely(is_read_only(mi->super_options)))
+ mi->flags |= MOUNTINFO_READONLY;
+
if(unlikely(ME_DUMMY(mi->mount_source, mi->filesystem)))
mi->flags |= MOUNTINFO_IS_DUMMY;
mi->flags |= MOUNTINFO_IS_REMOTE;
// mark as BIND the duplicates (i.e. same filesystem + same source)
- {
+ if(do_statvfs) {
struct stat buf;
if(unlikely(stat(mi->mount_point, &buf) == -1)) {
mi->st_dev = 0;
struct mountinfo *mt;
for(mt = root; mt; mt = mt->next) {
- if(unlikely(mt->st_dev == mi->st_dev && !(mi->flags & MOUNTINFO_NO_STAT))) {
+ if(unlikely(mt->st_dev == mi->st_dev && !(mt->flags & MOUNTINFO_IS_SAME_DEV))) {
if(strlen(mi->mount_point) < strlen(mt->mount_point))
mt->flags |= MOUNTINFO_IS_SAME_DEV;
else
}
}
}
+ else {
+ mi->st_dev = 0;
+ }
}
else {
mi->filesystem = NULL;
}
// check if it has size
- {
+ if(do_statvfs && !(mi->flags & MOUNTINFO_IS_DUMMY)) {
struct statvfs buff_statvfs;
if(unlikely(statvfs(mi->mount_point, &buff_statvfs) < 0)) {
mi->flags |= MOUNTINFO_NO_STAT;