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Merge branch 'use-shared-queued-deferredsemaphore'

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This commit is contained in:
Jack Robison 2017-11-04 21:01:38 -04:00
commit 81a44fa824
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2 changed files with 7 additions and 23 deletions
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3
CHANGELOG.md
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@ -17,6 +17,7 @@ at anytime.
* Fixed external IP detection via jsonip.com (avoid detecting IPv6)
* Fixed failing ConnectionManager unit test for parallel connections
*
* Fixed race condition between `publish` and `channel_new`
### Deprecated
*
@ -24,7 +25,7 @@ at anytime.
### Changed
* Moved BLOB_SIZE from conf.py to MAX_BLOB_SIZE in blob/blob_file.py
*
* Use shared deferredSemaphore for api methods decorated with `@AuthJSONRPCServer.queued`
### Added
* Added `utxo_list` command to list unspent transaction outputs

27
lbrynet/daemon/auth/server.py
View file

@ -191,12 +191,12 @@ class AuthJSONRPCServer(AuthorizedBase):
allowed_during_startup = []
def __init__(self, use_authentication=None):
self._call_lock = {}
self._use_authentication = (
use_authentication if use_authentication is not None else conf.settings['use_auth_http']
)
self.announced_startup = False
self.sessions = {}
self._queued_lock = defer.DeferredSemaphore(1)
def setup(self):
return NotImplementedError()
@ -319,7 +319,7 @@ class AuthJSONRPCServer(AuthorizedBase):
reply_with_next_secret = True
try:
function = self._get_jsonrpc_method(function_name)
fn = self._get_jsonrpc_method(function_name)
except UnknownAPIMethodError as err:
log.warning('Failed to get function %s: %s', function_name, err)
self._render_error(
@ -350,7 +350,7 @@ class AuthJSONRPCServer(AuthorizedBase):
# d = defer.maybeDeferred(function, *args) # if we want to support positional args too
raise ValueError('Args must be a dict')
params_error, erroneous_params = self._check_params(function, args_dict)
params_error, erroneous_params = self._check_params(fn, args_dict)
if params_error is not None:
params_error_message = '{} for {} command: {}'.format(
params_error, function_name, ', '.join(erroneous_params)
@ -363,26 +363,9 @@ class AuthJSONRPCServer(AuthorizedBase):
return server.NOT_DONE_YET
if is_queued:
d_lock = self._call_lock.get(function_name, False)
if not d_lock:
d = defer.maybeDeferred(function, self, **args_dict)
self._call_lock[function_name] = finished_deferred
def _del_lock(*args):
if function_name in self._call_lock:
del self._call_lock[function_name]
if args:
return args
finished_deferred.addCallback(_del_lock)
else:
log.info("queued %s", function_name)
d = d_lock
d.addBoth(lambda _: log.info("running %s from queue", function_name))
d.addCallback(lambda _: defer.maybeDeferred(function, self, **args_dict))
d = self._queued_lock.run(fn, self, **args_dict)
else:
d = defer.maybeDeferred(function, self, **args_dict)
d = defer.maybeDeferred(fn, self, **args_dict)
# finished_deferred will callback when the request is finished
# and errback if something went wrong. If the errback is