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beat
beat.backend.python
Commits
33a1ce01
Commit
33a1ce01
authored
8 years ago
by
Philip ABBET
Browse files
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Plain Diff
Better error handling for the remote inputs
parent
1ad6908f
Branches
Branches containing commit
Tags
v2.1.4
Tags containing commit
No related merge requests found
Changes
3
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3 changed files
beat/backend/python/dbexecution.py
+0
-0
0 additions, 0 deletions
beat/backend/python/dbexecution.py
beat/backend/python/inputs.py
+61
-1
61 additions, 1 deletion
beat/backend/python/inputs.py
beat/backend/python/message_handler.py
+31
-2
31 additions, 2 deletions
beat/backend/python/message_handler.py
with
92 additions
and
3 deletions
beat/backend/python/dbexecution.py
100644 → 100755
+
0
−
0
View file @
33a1ce01
File mode changed from 100644 to 100755
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beat/backend/python/inputs.py
+
61
−
1
View file @
33a1ce01
...
@@ -251,6 +251,31 @@ class InputGroup:
...
@@ -251,6 +251,31 @@ class InputGroup:
#----------------------------------------------------------
#----------------------------------------------------------
class
RemoteException
(
Exception
):
def
__init__
(
self
,
kind
,
message
):
super
(
RemoteException
,
self
).
__init__
()
if
kind
==
'
sys
'
:
self
.
system_error
=
message
self
.
user_error
=
''
else
:
self
.
system_error
=
''
self
.
user_error
=
message
#----------------------------------------------------------
def
process_error
(
socket
):
kind
=
socket
.
recv
()
message
=
socket
.
recv
()
raise
RemoteException
(
kind
,
message
)
#----------------------------------------------------------
class
RemoteInput
:
class
RemoteInput
:
"""
Allows to access the input of a processing block, via a socket.
"""
Allows to access the input of a processing block, via a socket.
...
@@ -297,13 +322,18 @@ class RemoteInput:
...
@@ -297,13 +322,18 @@ class RemoteInput:
"""
Indicates if the current data unit will change at the next iteration
"""
"""
Indicates if the current data unit will change at the next iteration
"""
logger
.
debug
(
'
send: (idd) is-dataunit-done %s
'
,
self
.
name
)
logger
.
debug
(
'
send: (idd) is-dataunit-done %s
'
,
self
.
name
)
_start
=
time
.
time
()
_start
=
time
.
time
()
self
.
socket
.
send
(
'
idd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
'
idd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
name
)
self
.
socket
.
send
(
self
.
name
)
answer
=
self
.
socket
.
recv
()
answer
=
self
.
socket
.
recv
()
self
.
comm_time
+=
time
.
time
()
-
_start
self
.
comm_time
+=
time
.
time
()
-
_start
logger
.
debug
(
'
recv: %s
'
,
answer
)
logger
.
debug
(
'
recv: %s
'
,
answer
)
return
answer
==
'
tru
'
return
answer
==
'
tru
'
...
@@ -311,13 +341,21 @@ class RemoteInput:
...
@@ -311,13 +341,21 @@ class RemoteInput:
"""
Indicates if there is more data to process on the input
"""
"""
Indicates if there is more data to process on the input
"""
logger
.
debug
(
'
send: (hmd) has-more-data %s %s
'
,
self
.
group
.
channel
,
self
.
name
)
logger
.
debug
(
'
send: (hmd) has-more-data %s %s
'
,
self
.
group
.
channel
,
self
.
name
)
_start
=
time
.
time
()
_start
=
time
.
time
()
self
.
socket
.
send
(
'
hmd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
'
hmd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
name
)
self
.
socket
.
send
(
self
.
name
)
answer
=
self
.
socket
.
recv
()
answer
=
self
.
socket
.
recv
()
self
.
comm_time
+=
time
.
time
()
-
_start
self
.
comm_time
+=
time
.
time
()
-
_start
logger
.
debug
(
'
recv: %s
'
,
answer
)
logger
.
debug
(
'
recv: %s
'
,
answer
)
if
answer
==
'
err
'
:
process_error
(
self
.
socket
)
return
answer
==
'
tru
'
return
answer
==
'
tru
'
...
@@ -325,13 +363,23 @@ class RemoteInput:
...
@@ -325,13 +363,23 @@ class RemoteInput:
"""
Retrieves the next block of data
"""
"""
Retrieves the next block of data
"""
logger
.
debug
(
'
send: (nxt) next %s %s
'
,
self
.
group
.
channel
,
self
.
name
)
logger
.
debug
(
'
send: (nxt) next %s %s
'
,
self
.
group
.
channel
,
self
.
name
)
_start
=
time
.
time
()
_start
=
time
.
time
()
self
.
socket
.
send
(
'
nxt
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
'
nxt
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
group
.
channel
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
name
)
self
.
socket
.
send
(
self
.
name
)
self
.
data_index
=
int
(
self
.
socket
.
recv
())
answer
=
self
.
socket
.
recv
()
if
answer
==
'
err
'
:
self
.
comm_time
+=
time
.
time
()
-
_start
process_error
(
self
.
socket
)
self
.
data_index
=
int
(
answer
)
self
.
data_index_end
=
int
(
self
.
socket
.
recv
())
self
.
data_index_end
=
int
(
self
.
socket
.
recv
())
self
.
unpack
(
self
.
socket
.
recv
())
self
.
unpack
(
self
.
socket
.
recv
())
self
.
comm_time
+=
time
.
time
()
-
_start
self
.
comm_time
+=
time
.
time
()
-
_start
self
.
nb_data_blocks_read
+=
1
self
.
nb_data_blocks_read
+=
1
...
@@ -434,12 +482,20 @@ class RemoteInputGroup:
...
@@ -434,12 +482,20 @@ class RemoteInputGroup:
"""
Indicates if there is more data to process in the group
"""
"""
Indicates if there is more data to process in the group
"""
logger
.
debug
(
'
send: (hmd) has-more-data %s
'
,
self
.
channel
)
logger
.
debug
(
'
send: (hmd) has-more-data %s
'
,
self
.
channel
)
_start
=
time
.
time
()
_start
=
time
.
time
()
self
.
socket
.
send
(
'
hmd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
'
hmd
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
self
.
channel
)
self
.
socket
.
send
(
self
.
channel
)
answer
=
self
.
socket
.
recv
()
answer
=
self
.
socket
.
recv
()
self
.
comm_time
+=
time
.
time
()
-
_start
self
.
comm_time
+=
time
.
time
()
-
_start
logger
.
debug
(
'
recv: %s
'
,
answer
)
logger
.
debug
(
'
recv: %s
'
,
answer
)
if
answer
==
'
err
'
:
process_error
(
self
.
socket
)
return
answer
==
'
tru
'
return
answer
==
'
tru
'
...
@@ -456,6 +512,10 @@ class RemoteInputGroup:
...
@@ -456,6 +512,10 @@ class RemoteInputGroup:
parts
=
[]
parts
=
[]
while
more
:
while
more
:
parts
.
append
(
self
.
socket
.
recv
())
parts
.
append
(
self
.
socket
.
recv
())
if
parts
[
-
1
]
==
'
err
'
:
self
.
comm_time
+=
time
.
time
()
-
_start
process_error
(
self
.
socket
)
more
=
self
.
socket
.
getsockopt
(
zmq
.
RCVMORE
)
more
=
self
.
socket
.
getsockopt
(
zmq
.
RCVMORE
)
n
=
int
(
parts
.
pop
(
0
))
n
=
int
(
parts
.
pop
(
0
))
...
...
This diff is collapsed.
Click to expand it.
beat/backend/python/message_handler.py
+
31
−
2
View file @
33a1ce01
...
@@ -124,6 +124,7 @@ class MessageHandler(gevent.Greenlet):
...
@@ -124,6 +124,7 @@ class MessageHandler(gevent.Greenlet):
"
killing user process. Exception:
\n
%s
"
%
\
"
killing user process. Exception:
\n
%s
"
%
\
(
parsed_parts
,
traceback
.
format_exc
())
(
parsed_parts
,
traceback
.
format_exc
())
logger
.
error
(
message
,
exc_info
=
True
)
logger
.
error
(
message
,
exc_info
=
True
)
self
.
send_error
(
message
)
self
.
system_error
=
message
self
.
system_error
=
message
if
self
.
process
is
not
None
:
if
self
.
process
is
not
None
:
self
.
process
.
kill
()
self
.
process
.
kill
()
...
@@ -134,14 +135,13 @@ class MessageHandler(gevent.Greenlet):
...
@@ -134,14 +135,13 @@ class MessageHandler(gevent.Greenlet):
message
=
"
Command `%s
'
is not implemented - stopping user process
"
\
message
=
"
Command `%s
'
is not implemented - stopping user process
"
\
%
command
%
command
logger
.
error
(
message
)
logger
.
error
(
message
)
self
.
send_error
(
message
)
self
.
system_error
=
message
self
.
system_error
=
message
if
self
.
process
is
not
None
:
if
self
.
process
is
not
None
:
self
.
process
.
kill
()
self
.
process
.
kill
()
self
.
stop
.
set
()
self
.
stop
.
set
()
break
break
self
.
socket
.
setsockopt
(
zmq
.
LINGER
,
0
)
self
.
socket
.
close
()
logger
.
debug
(
"
0MQ server thread stopped
"
)
logger
.
debug
(
"
0MQ server thread stopped
"
)
...
@@ -289,3 +289,32 @@ class MessageHandler(gevent.Greenlet):
...
@@ -289,3 +289,32 @@ class MessageHandler(gevent.Greenlet):
def
kill
(
self
):
def
kill
(
self
):
self
.
must_kill
.
set
()
self
.
must_kill
.
set
()
def
send_error
(
self
,
message
):
"""
Sends a user (usr) or system (sys) error message to the infrastructure
"""
logger
.
debug
(
'
send: (err) error
'
)
self
.
socket
.
send
(
'
err
'
,
zmq
.
SNDMORE
)
self
.
socket
.
send
(
'
usr
'
,
zmq
.
SNDMORE
)
logger
.
debug
(
'
send:
"""
%s
"""'
%
message
.
rstrip
())
self
.
socket
.
send
(
message
)
poller
=
zmq
.
Poller
()
poller
.
register
(
self
.
socket
,
zmq
.
POLLIN
)
this_try
=
1
max_tries
=
5
timeout
=
1000
#ms
while
this_try
<=
max_tries
:
socks
=
dict
(
poller
.
poll
(
timeout
))
#blocks here, for 5 seconds at most
if
self
.
socket
in
socks
and
socks
[
self
.
socket
]
==
zmq
.
POLLIN
:
answer
=
self
.
socket
.
recv
()
#ack
logger
.
debug
(
'
recv: %s
'
,
answer
)
break
logger
.
warn
(
'
(try %d) waited %d ms for
"
ack
"
from server
'
,
this_try
,
timeout
)
this_try
+=
1
if
this_try
>
max_tries
:
logger
.
error
(
'
could not send error message to server
'
)
logger
.
error
(
'
stopping 0MQ client anyway
'
)
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