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storage #596: announce 'tolerates-immutable-read-overrun' to the version announcement, to indicate that a read() on an immutable share where offset+length is beyond the end of the file will return a truncated string instead of raising an exception
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@ -32,7 +32,9 @@ class RemoteServiceConnector:
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VERSION_DEFAULTS = {
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"storage": { "http://allmydata.org/tahoe/protocols/storage/v1" :
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{ "maximum-immutable-share-size": 2**32 },
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{ "maximum-immutable-share-size": 2**32,
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"tolerates-immutable-read-overrun": False,
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},
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"application-version": "unknown: no get_version()",
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},
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"stub_client": { },
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@ -961,7 +961,9 @@ class StorageServer(service.MultiService, Referenceable):
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# guess.
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remaining_space = 2**64
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version = { "http://allmydata.org/tahoe/protocols/storage/v1" :
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{ "maximum-immutable-share-size": remaining_space },
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{ "maximum-immutable-share-size": remaining_space,
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"tolerates-immutable-read-overrun": True,
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},
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"application-version": str(allmydata.__version__),
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}
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return version
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