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Improve docstrings on MatrixFederationClient. (#5332)

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Richard van der Hoff 2019-06-04 11:14:16 +01:00 committed by GitHub
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2 changed files with 56 additions and 16 deletions
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changelog.d/5332.misc Normal file
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@ -0,0 +1 @@
Improve docstrings on MatrixFederationClient.

71
synapse/http/matrixfederationclient.py
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@ -285,7 +285,24 @@ class MatrixFederationHttpClient(object):
request (MatrixFederationRequest): details of request to be sent
timeout (int|None): number of milliseconds to wait for the response headers
(including connecting to the server). 60s by default.
(including connecting to the server), *for each attempt*.
60s by default.
long_retries (bool): whether to use the long retry algorithm.
The regular retry algorithm makes 4 attempts, with intervals
[0.5s, 1s, 2s].
The long retry algorithm makes 11 attempts, with intervals
[4s, 16s, 60s, 60s, ...]
Both algorithms add -20%/+40% jitter to the retry intervals.
Note that the above intervals are *in addition* to the time spent
waiting for the request to complete (up to `timeout` ms).
NB: the long retry algorithm takes over 20 minutes to complete, with
a default timeout of 60s!
ignore_backoff (bool): true to ignore the historical backoff data
and try the request anyway.
@ -566,10 +583,14 @@ class MatrixFederationHttpClient(object):
the request body. This will be encoded as JSON.
json_data_callback (callable): A callable returning the dict to
use as the request body.
long_retries (bool): A boolean that indicates whether we should
retry for a short or long time.
timeout(int): How long to try (in ms) the destination for before
giving up. None indicates no timeout.
long_retries (bool): whether to use the long retry algorithm. See
docs on _send_request for details.
timeout (int|None): number of milliseconds to wait for the response headers
(including connecting to the server), *for each attempt*.
self._default_timeout (60s) by default.
ignore_backoff (bool): true to ignore the historical backoff data
and try the request anyway.
backoff_on_404 (bool): True if we should count a 404 response as
@ -627,15 +648,22 @@ class MatrixFederationHttpClient(object):
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
data (dict): A dict containing the data that will be used as
the request body. This will be encoded as JSON.
long_retries (bool): A boolean that indicates whether we should
retry for a short or long time.
timeout(int): How long to try (in ms) the destination for before
giving up. None indicates no timeout.
long_retries (bool): whether to use the long retry algorithm. See
docs on _send_request for details.
timeout (int|None): number of milliseconds to wait for the response headers
(including connecting to the server), *for each attempt*.
self._default_timeout (60s) by default.
ignore_backoff (bool): true to ignore the historical backoff data and
try the request anyway.
args (dict): query params
Returns:
Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
@ -686,14 +714,19 @@ class MatrixFederationHttpClient(object):
Args:
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
args (dict|None): A dictionary used to create query strings, defaults to
None.
timeout (int): How long to try (in ms) the destination for before
giving up. None indicates no timeout and that the request will
be retried.
timeout (int|None): number of milliseconds to wait for the response headers
(including connecting to the server), *for each attempt*.
self._default_timeout (60s) by default.
ignore_backoff (bool): true to ignore the historical backoff data
and try the request anyway.
try_trailing_slash_on_400 (bool): True if on a 400 M_UNRECOGNIZED
response we should try appending a trailing slash to the end of
the request. Workaround for #3622 in Synapse <= v0.99.3.
@ -742,12 +775,18 @@ class MatrixFederationHttpClient(object):
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
long_retries (bool): A boolean that indicates whether we should
retry for a short or long time.
timeout(int): How long to try (in ms) the destination for before
giving up. None indicates no timeout.
long_retries (bool): whether to use the long retry algorithm. See
docs on _send_request for details.
timeout (int|None): number of milliseconds to wait for the response headers
(including connecting to the server), *for each attempt*.
self._default_timeout (60s) by default.
ignore_backoff (bool): true to ignore the historical backoff data and
try the request anyway.
args (dict): query params
Returns:
Deferred[dict|list]: Succeeds when we get a 2xx HTTP response. The
result will be the decoded JSON body.