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crit: Show devices nicely

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Currently device numbers are shown as plain integers, but in
pretty output it's nice to see the major:minor pairs.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Ruslan Kuprieiev <rkuprieiev@cloudlinux.com>
This commit is contained in:
Pavel Emelyanov 2015-12-04 15:19:00 +03:00
parent 77f9b7bfbb
commit 809bd09ba7
6 changed files with 40 additions and 6 deletions
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4
protobuf/fh.proto
View File

@ -1,3 +1,5 @@
import "opts.proto";
enum fh_entry_sizes {
min_entries = 16;
}
@ -13,7 +15,7 @@ message fh_entry {
}
message irmap_cache_entry {
required uint32 dev = 1;
required uint32 dev = 1 [(criu).dev = true, (criu).odev = true];
required uint64 inode = 2;
required string path = 3;
}

4
protobuf/fsnotify.proto
View File

@ -7,7 +7,7 @@ message inotify_wd_entry {
required uint64 i_ino = 2;
required uint32 mask = 3 [(criu).hex = true];
required uint32 ignored_mask = 4 [(criu).hex = true];
required uint32 s_dev = 5;
required uint32 s_dev = 5 [(criu).dev = true];
required uint32 wd = 6;
required fh_entry f_handle = 7;
}
@ -40,7 +40,7 @@ message fanotify_mark_entry {
required uint32 mflags = 3 [(criu).hex = true];
required uint32 mask = 4 [(criu).hex = true];
required uint32 ignored_mask = 5 [(criu).hex = true];
required uint32 s_dev = 6;
required uint32 s_dev = 6 [(criu).dev = true];
optional fanotify_inode_mark_entry ie = 7;
optional fanotify_mount_mark_entry me = 8;

6
protobuf/ghost-file.proto
View File

@ -1,9 +1,11 @@
import "opts.proto";
message ghost_file_entry {
required uint32 uid = 1;
required uint32 gid = 2;
required uint32 mode = 3;
optional uint32 dev = 4;
optional uint32 dev = 4 [(criu).dev = true];
optional uint64 ino = 5;
optional uint32 rdev = 6;
optional uint32 rdev = 6 [(criu).dev = true, (criu).odev = true];
}

2
protobuf/mnt.proto
View File

@ -24,7 +24,7 @@ enum fstype {
message mnt_entry {
required uint32 fstype = 1;
required uint32 mnt_id = 2;
required uint32 root_dev = 3;
required uint32 root_dev = 3 [(criu).dev = true];
required uint32 parent_mnt_id = 4;
required uint32 flags = 5 [(criu).hex = true];

2
protobuf/opts.proto
View File

@ -4,6 +4,8 @@ message CRIU_Opts {
optional bool hex = 1; // Idicate that CRIT should treat this field as hex.
optional bool ipadd = 2; // The field is IPv4/v6 address
optional string flags = 3;
optional bool dev = 4; // Device major:minor packed
optional bool odev = 5; // ... in old format
}
extend google.protobuf.FieldOptions {

28
pycriu/images/pb2dict.py
View File

@ -3,6 +3,7 @@ import opts_pb2
import ipaddr
import socket
import collections
import os
# pb2dict and dict2pb are methods to convert pb to/from dict.
# Inspired by:
@ -52,6 +53,12 @@ def _marked_as_ip(field):
def _marked_as_flags(field):
return field.GetOptions().Extensions[opts_pb2.criu].flags
def _marked_as_dev(field):
return field.GetOptions().Extensions[opts_pb2.criu].dev
def _marked_as_odev(field):
return field.GetOptions().Extensions[opts_pb2.criu].odev
mmap_prot_map = [
('PROT_READ', 0x1),
('PROT_WRITE', 0x2),
@ -92,6 +99,21 @@ def unmap_flags(value, flags_map):
bd = dict(flags_map)
return sum(map(lambda x: int(str(bd.get(x, x)), 0), map(lambda x: x.strip(), value.split('|'))))
kern_minorbits = 20 # This is how kernel encodes dev_t in new format
def decode_dev(field, value):
if _marked_as_odev(field):
return "%d:%d" % (os.major(value), os.minor(value))
else:
return "%d:%d" % (value >> kern_minorbits, value & ((1 << kern_minorbits) - 1))
def encode_dev(field, value):
dev = map(lambda x: int(x), value.split(':'))
if _marked_as_odev(field):
return os.makedev(dev[0], dev[1])
else:
return dev[0] << kern_minorbits | dev[1]
def _pb2dict_cast(field, value, pretty = False, is_hex = False):
if not is_hex:
is_hex = _marked_as_hex(field)
@ -110,6 +132,9 @@ def _pb2dict_cast(field, value, pretty = False, is_hex = False):
# should be stored in hex string format.
return "0x%x" % value
if _marked_as_dev(field):
return decode_dev(field, value)
flags = _marked_as_flags(field)
if flags:
try:
@ -164,6 +189,9 @@ def _dict2pb_cast(field, value):
elif field.type in _basic_cast:
cast = _basic_cast[field.type]
if (cast == int or cast == long) and isinstance(value, unicode):
if _marked_as_dev(field):
return encode_dev(field, value)
flags = _marked_as_flags(field)
if flags:
try: