new introducer: signed extensible dictionary-based messages! refs #466

[tahoe-lafs/tahoe-lafs.git] / src / allmydata / storage / server.py

diff --git a/src/allmydata/storage/server.py b/src/allmydata/storage/server.py
index 1f39c9ca14dd10c4010c942c2c661ef2321b0238..c5e5b3925b4f4a78b0a6e53083b6cec6f7380eb9 100644 (file)
--- a/src/allmydata/storage/server.py
+++ b/src/allmydata/storage/server.py
@@ -99,6 +99,11 @@ class StorageServer(service.MultiService, Referenceable):
     def __repr__(self):
         return "<StorageServer %s>" % (idlib.shortnodeid_b2a(self.my_nodeid),)
 
+    def have_shares(self):
+        # quick test to decide if we need to commit to an implicit
+        # permutation-seed or if we should use a new one
+        return bool(set(os.listdir(self.sharedir)) - set(["incoming"]))
+
     def add_bucket_counter(self):
         statefile = os.path.join(self.storedir, "bucket_counter.state")
         self.bucket_counter = BucketCountingCrawler(self, statefile)