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authorEelco Dolstra <edolstra@gmail.com>2017-03-16T12·50+0100
committerEelco Dolstra <edolstra@gmail.com>2017-03-16T12·50+0100
commitc5b83d8913d73ea58ff9437c41bf6bd0c6839ad0 (patch)
treea7b934a170322b26d8039461102a66de922308e2 /src/libstore/legacy-ssh-store.cc
parent91d67692cfb05e4ece744fb9d144921ae920f2de (diff)
copyPaths(): Use queryValidPaths() to reduce SSH latency
Diffstat (limited to 'src/libstore/legacy-ssh-store.cc')
-rw-r--r--src/libstore/legacy-ssh-store.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index 1a933259b526..84bf0f727f4b 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -226,6 +226,19 @@ struct LegacySSHStore : public Store
         out.insert(res.begin(), res.end());
     }
 
+    PathSet queryValidPaths(const PathSet & paths, bool maybeSubstitute = false) override
+    {
+        auto conn(connections->get());
+
+        conn->to
+            << cmdQueryValidPaths
+            << false // lock
+            << maybeSubstitute
+            << paths;
+        conn->to.flush();
+
+        return readStorePaths<PathSet>(*this, conn->from);
+    }
 };
 
 static RegisterStoreImplementation regStore([](