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proc-parse: Add parsing of fanotify objects

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Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2013-01-14 20:48:10 +04:00
committed by Pavel Emelyanov
parent 05bb44960f
commit d5927a47f1
3 changed files with 82 additions and 0 deletions
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6
include/fsnotify.h
View File

@@ -9,6 +9,12 @@
#include "files.h"
#include "crtools.h"
struct fsnotify_params {
u32 id;
u32 faflags;
u32 evflags;
};
extern int is_inotify_link(int lfd);
extern int is_fanotify_link(int lfd);
extern int dump_inotify(struct fd_parms *p, int lfd, const int fdinfo);

1
include/proc_parse.h
View File

@@ -134,6 +134,7 @@ union fdinfo_entries {
EventpollTfdEntry epl;
SignalfdEntry sfd;
InotifyWdEntry ify;
FanotifyMarkEntry ffy;
};
extern int parse_fdinfo(int fd, int type,

75
proc_parse.c
View File

@@ -15,6 +15,7 @@
#include "crtools.h"
#include "mount.h"
#include "cpu.h"
#include "fsnotify.h"
#include "proc_parse.h"
#include "protobuf.h"
@@ -922,6 +923,80 @@ int parse_fdinfo(int fd, int type,
entry_met = true;
continue;
}
if (fdinfo_field(str, "fanotify flags")) {
struct fsnotify_params *p = arg;
if (type != FD_TYPES__FANOTIFY)
goto parse_err;
ret = sscanf(str, "fanotify flags:%x event-flags:%x",
&p->faflags, &p->evflags);
if (ret != 2)
goto parse_err;
entry_met = true;
continue;
}
if (fdinfo_field(str, "fanotify ino")) {
FhEntry f_handle = FH_ENTRY__INIT;
int hoff;
if (type != FD_TYPES__FANOTIFY)
goto parse_err;
fanotify_mark_entry__init(&entry.ffy);
entry.ffy.f_handle = &f_handle;
ret = sscanf(str,
"fanotify ino:%lx sdev:%x mflags:%x mask:%x ignored_mask:%x "
"fhandle-bytes:%x fhandle-type:%x f_handle: %n",
&entry.ffy.i_ino, &entry.ffy.s_dev,
&entry.ffy.mflags, &entry.ffy.mask, &entry.ffy.ignored_mask,
&entry.ffy.f_handle->bytes, &entry.ffy.f_handle->type,
&hoff);
if (ret != 7)
goto parse_err;
f_handle.n_handle = FH_ENTRY_SIZES__min_entries;
f_handle.handle = xmalloc(pb_repeated_size(&f_handle, handle));
if (!f_handle.handle)
return -1;
parse_fhandle_encoded(str + hoff, entry.ffy.f_handle);
entry.ffy.has_mnt_id = false;
entry.ffy.type = MARK_TYPE__INODE;
ret = cb(&entry, arg);
xfree(f_handle.handle);
if (ret)
return ret;
entry_met = true;
continue;
}
if (fdinfo_field(str, "fanotify mnt_id")) {
if (type != FD_TYPES__FANOTIFY)
goto parse_err;
fanotify_mark_entry__init(&entry.ffy);
ret = sscanf(str,
"fanotify mnt_id:%x mflags:%x mask:%x ignored_mask:%x",
&entry.ffy.mnt_id, &entry.ffy.mflags,
&entry.ffy.mask, &entry.ffy.ignored_mask);
if (ret != 4)
goto parse_err;
entry.ffy.has_mnt_id = true;
entry.ffy.type = MARK_TYPE__MOUNT;
ret = cb(&entry, arg);
if (ret)
return ret;
entry_met = true;
continue;
}
if (fdinfo_field(str, "inotify wd")) {
FhEntry f_handle = FH_ENTRY__INIT;
int hoff;