From baf1506b9bb687b84c05f27600136de79c2ee3c9 Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Sat, 26 Feb 2011 19:11:46 -0700
Subject: [PATCH] immutable/downloader/finder.py: reduce use of get_serverid(),
 one left

---
 src/allmydata/immutable/downloader/finder.py | 52 +++++++++-----------
 1 file changed, 23 insertions(+), 29 deletions(-)

diff --git a/src/allmydata/immutable/downloader/finder.py b/src/allmydata/immutable/downloader/finder.py
index f1142e79..c09cc3c8 100644
--- a/src/allmydata/immutable/downloader/finder.py
+++ b/src/allmydata/immutable/downloader/finder.py
@@ -2,7 +2,7 @@
 import time
 now = time.time
 from foolscap.api import eventually
-from allmydata.util import base32, log, idlib
+from allmydata.util import base32, log
 from twisted.internet import reactor
 
 from share import Share, CommonShare
@@ -21,8 +21,8 @@ def incidentally(res, f, *args, **kwargs):
     return res
 
 class RequestToken:
-    def __init__(self, peerid):
-        self.peerid = peerid
+    def __init__(self, server):
+        self.server = server
 
 class ShareFinder:
     OVERDUE_TIMEOUT = 10.0
@@ -62,8 +62,7 @@ class ShareFinder:
         # test_dirnode, which creates us with storage_broker=None
         if not self._started:
             si = self.verifycap.storage_index
-            servers = [(s.get_serverid(), s.get_rref())
-                       for s in self._storage_broker.get_servers_for_psi(si)]
+            servers = self._storage_broker.get_servers_for_psi(si)
             self._servers = iter(servers)
             self._started = True
 
@@ -88,7 +87,7 @@ class ShareFinder:
 
     # internal methods
     def loop(self):
-        pending_s = ",".join([idlib.shortnodeid_b2a(rt.peerid)
+        pending_s = ",".join([rt.server.name()
                               for rt in self.pending_requests]) # sort?
         self.log(format="ShareFinder loop: running=%(running)s"
                  " hungry=%(hungry)s, pending=%(pending)s",
@@ -131,23 +130,21 @@ class ShareFinder:
         eventually(self.share_consumer.no_more_shares)
 
     def send_request(self, server):
-        peerid, rref = server
-        req = RequestToken(peerid)
+        req = RequestToken(server)
         self.pending_requests.add(req)
-        lp = self.log(format="sending DYHB to [%(peerid)s]",
-                      peerid=idlib.shortnodeid_b2a(peerid),
+        lp = self.log(format="sending DYHB to [%(name)s]", name=server.name(),
                       level=log.NOISY, umid="Io7pyg")
         time_sent = now()
-        d_ev = self._download_status.add_dyhb_sent(peerid, time_sent)
+        d_ev = self._download_status.add_dyhb_sent(server.get_serverid(),
+                                                   time_sent)
         # TODO: get the timer from a Server object, it knows best
         self.overdue_timers[req] = reactor.callLater(self.OVERDUE_TIMEOUT,
                                                      self.overdue, req)
-        d = rref.callRemote("get_buckets", self._storage_index)
+        d = server.get_rref().callRemote("get_buckets", self._storage_index)
         d.addBoth(incidentally, self._request_retired, req)
         d.addCallbacks(self._got_response, self._got_error,
-                       callbackArgs=(rref.version, peerid, req, d_ev,
-                                     time_sent, lp),
-                       errbackArgs=(peerid, req, d_ev, lp))
+                       callbackArgs=(server, req, d_ev, time_sent, lp),
+                       errbackArgs=(server, req, d_ev, lp))
         d.addErrback(log.err, format="error in send_request",
                      level=log.WEIRD, parent=lp, umid="rpdV0w")
         d.addCallback(incidentally, eventually, self.loop)
@@ -165,29 +162,26 @@ class ShareFinder:
         self.overdue_requests.add(req)
         eventually(self.loop)
 
-    def _got_response(self, buckets, server_version, peerid, req, d_ev,
-                      time_sent, lp):
+    def _got_response(self, buckets, server, req, d_ev, time_sent, lp):
         shnums = sorted([shnum for shnum in buckets])
         time_received = now()
         d_ev.finished(shnums, time_received)
         dyhb_rtt = time_received - time_sent
         if not buckets:
-            self.log(format="no shares from [%(peerid)s]",
-                     peerid=idlib.shortnodeid_b2a(peerid),
+            self.log(format="no shares from [%(name)s]", name=server.name(),
                      level=log.NOISY, parent=lp, umid="U7d4JA")
             return
         shnums_s = ",".join([str(shnum) for shnum in shnums])
-        self.log(format="got shnums [%(shnums)s] from [%(peerid)s]",
-                 shnums=shnums_s, peerid=idlib.shortnodeid_b2a(peerid),
+        self.log(format="got shnums [%(shnums)s] from [%(name)s]",
+                 shnums=shnums_s, name=server.name(),
                  level=log.NOISY, parent=lp, umid="0fcEZw")
         shares = []
         for shnum, bucket in buckets.iteritems():
-            s = self._create_share(shnum, bucket, server_version, peerid,
-                                   dyhb_rtt)
+            s = self._create_share(shnum, bucket, server, dyhb_rtt)
             shares.append(s)
         self._deliver_shares(shares)
 
-    def _create_share(self, shnum, bucket, server_version, peerid, dyhb_rtt):
+    def _create_share(self, shnum, bucket, server, dyhb_rtt):
         if shnum in self._commonshares:
             cs = self._commonshares[shnum]
         else:
@@ -210,8 +204,8 @@ class ShareFinder:
             #  2: break _get_satisfaction into Deferred-attached pieces.
             #     Yuck.
             self._commonshares[shnum] = cs
-        s = Share(bucket, server_version, self.verifycap, cs, self.node,
-                  self._download_status, peerid, shnum, dyhb_rtt,
+        s = Share(bucket, server.get_version(), self.verifycap, cs, self.node,
+                  self._download_status, server.get_serverid(), shnum, dyhb_rtt,
                   self._node_logparent)
         return s
 
@@ -223,10 +217,10 @@ class ShareFinder:
                  level=log.NOISY, umid="2n1qQw")
         eventually(self.share_consumer.got_shares, shares)
 
-    def _got_error(self, f, peerid, req, d_ev, lp):
+    def _got_error(self, f, server, req, d_ev, lp):
         d_ev.finished("error", now())
-        self.log(format="got error from [%(peerid)s]",
-                 peerid=idlib.shortnodeid_b2a(peerid), failure=f,
+        self.log(format="got error from [%(name)s]",
+                 name=server.name(), failure=f,
                  level=log.UNUSUAL, parent=lp, umid="zUKdCw")
 
 
-- 
2.45.2