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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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This commit is contained in:
Brian Warner 2009-02-08 19:56:02 -07:00
parent 89683a3906
commit 0b29aae7cf
2 changed files with 6 additions and 2 deletions
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4
src/allmydata/introducer/client.py
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@ -32,7 +32,9 @@ class RemoteServiceConnector:
VERSION_DEFAULTS = { VERSION_DEFAULTS = {
"storage": { "http://allmydata.org/tahoe/protocols/storage/v1" : "storage": { "http://allmydata.org/tahoe/protocols/storage/v1" :
{ "maximum-immutable-share-size": 2**32 }, { "maximum-immutable-share-size": 2**32,
"tolerates-immutable-read-overrun": False,
},
"application-version": "unknown: no get_version()", "application-version": "unknown: no get_version()",
}, },
"stub_client": { }, "stub_client": { },

4
src/allmydata/storage.py
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@ -961,7 +961,9 @@ class StorageServer(service.MultiService, Referenceable):
# guess. # guess.
remaining_space = 2**64 remaining_space = 2**64
version = { "http://allmydata.org/tahoe/protocols/storage/v1" : version = { "http://allmydata.org/tahoe/protocols/storage/v1" :
{ "maximum-immutable-share-size": remaining_space }, { "maximum-immutable-share-size": remaining_space,
"tolerates-immutable-read-overrun": True,
},
"application-version": str(allmydata.__version__), "application-version": str(allmydata.__version__),
} }
return version return version