From: Brian Warner <warner@lothar.com>
Date: Wed, 28 Mar 2007 05:17:31 +0000 (-0700)
Subject: update ReplicatingEncoder and decoder to match the current ICodecEncoder/decoder... 
X-Git-Url: https://git.rkrishnan.org/listings/vdrive/about.html?a=commitdiff_plain;h=0ee2f0f3bf3cb615e54aaf1adfb7b573650a7ed0;p=tahoe-lafs%2Ftahoe-lafs.git

update ReplicatingEncoder and decoder to match the current ICodecEncoder/decoder interface
---

diff --git a/src/allmydata/codec.py b/src/allmydata/codec.py
index 0fbbf612..0d875ebd 100644
--- a/src/allmydata/codec.py
+++ b/src/allmydata/codec.py
@@ -28,6 +28,8 @@ class ReplicatingEncoder(object):
     ENCODER_TYPE = "rep"
 
     def set_params(self, data_size, required_shares, max_shares):
+        assert required_shares % data_size == 0
+        assert required_shares <= max_shares
         self.data_size = data_size
         self.required_shares = required_shares
         self.max_shares = max_shares
@@ -41,7 +43,12 @@ class ReplicatingEncoder(object):
     def get_share_size(self):
         return self.data_size
 
-    def encode(self, data, desired_shareids=None):
+    def encode(self, inshares, desired_shareids=None):
+        assert isinstance(data, list)
+        for inshare in inshares:
+            assert isinstance(inshare, str)
+            assert self.required_shares * len(inshare) == self.data_size
+        data = "".join(inshares)
         if desired_shareids is None:
             desired_shareids = range(self.max_shares)
         shares = [data for i in desired_shareids]
@@ -59,7 +66,7 @@ class ReplicatingDecoder(object):
     def decode(self, some_shares, their_shareids):
         assert len(some_shares) == self.required_shares
         assert len(some_shares) == len(their_shareids)
-        return defer.succeed(some_shares[0])
+        return defer.succeed([some_shares[0]])
 
 
 class Encoder(object):