# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Pub/sub mechanism for status messages."""
from threading import Lock
from collections import deque
from logging import DEBUG
from twisted.internet import reactor
from aquilon.python_patches import load_uuid_quickly
uuid = load_uuid_quickly() # pylint: disable=C0103
# Some requests can generate many debug messages. After this limit is
# passed older records will be replaced with None.
# This is somewhat arbitrary as a number. If each log message was a
# string of 100 bytes then 10000 would be about 1 MB. However the log
# record object has quite a few more fields (source file, line, function
# name, and potentially exception info) which can bloat this quite a bit.
MAX_DEBUG_MESSAGES_PER_REQUEST = 10000
class RequestStatus(object):
"""Store status information for each incoming request.
Each request will get one of these objects to write status
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Pub/sub mechanism for status messages."""
from threading import Lock
from collections import deque
from logging import DEBUG
from twisted.internet import reactor
from aquilon.python_patches import load_uuid_quickly
uuid = load_uuid_quickly() # pylint: disable=C0103
# Some requests can generate many debug messages. After this limit is
# passed older records will be replaced with None.
# This is somewhat arbitrary as a number. If each log message was a
# string of 100 bytes then 10000 would be about 1 MB. However the log
# record object has quite a few more fields (source file, line, function
# name, and potentially exception info) which can bloat this quite a bit.
MAX_DEBUG_MESSAGES_PER_REQUEST = 10000
class RequestStatus(object):
"""Store status information for each incoming request.
Each request will get one of these objects to write status
information into. Other commands (currently only show_request)
if transport is None:
print >> sys.stderr, "Unimplemented command ", command
exit(1)
# Convert unicode options to strings
newOptions = {}
for k, v in commandOptions.iteritems():
newOptions[str(k)] = str(v)
commandOptions = newOptions
# Should maybe have an input.xml flag on which global options
# to include... for now it's just debug.
if globalOptions.get("debug", None):
commandOptions["debug"] = str(globalOptions["debug"])
if command != "show_request" and globalOptions.get("verbose"):
uuid = load_uuid_quickly()
commandOptions["requestid"] = str(uuid.uuid1())
# Quote options so that they can be safely included in the URI
cleanOptions = {}
for k, v in commandOptions.iteritems():
# urllib.quote() does not escape '/' by default. We have to turn off
# this behavior because otherwise a parameter containing '/' would
# confuse the URL parsing logic on the server side.
cleanOptions[k] = urllib.quote(v, safe="")
# Decent amount of magic here...
# Even though the server connection might be tunneled through
# knc, the easiest way to consistently address the server is with
# a URI. That's the first half.
# The relative URI defined by transport.path comes from the xml
if transport is None:
print >>sys.stderr, "Unimplemented command ", command
exit(1)
# Convert unicode options to strings
newOptions = {}
for k, v in commandOptions.iteritems():
newOptions[str(k)] = str(v)
commandOptions = newOptions
# Should maybe have an input.xml flag on which global options
# to include... for now it's just debug.
if globalOptions.get("debug", None):
commandOptions["debug"] = str(globalOptions["debug"])
if command != "show_request" and globalOptions.get("verbose"):
uuid = load_uuid_quickly()
commandOptions["requestid"] = str(uuid.uuid1())
# Quote options so that they can be safely included in the URI
cleanOptions = {}
for k, v in commandOptions.iteritems():
# urllib.quote() does not escape '/' by default. We have to turn off
# this behavior because otherwise a parameter containing '/' would
# confuse the URL parsing logic on the server side.
cleanOptions[k] = urllib.quote(v, safe='')
# Decent amount of magic here...
# Even though the server connection might be tunneled through
# knc, the easiest way to consistently address the server is with
# a URI. That's the first half.
# The relative URI defined by transport.path comes from the xml