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Replace hasSubstitutes() with querySubstitutablePaths()

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querySubstitutablePaths() takes a set of paths, so this greatly
reduces daemon <-> client latency.
This commit is contained in:
Eelco Dolstra 2012-07-11 17:52:18 -04:00
parent 58ef4d9a95
commit 09a6321aeb
8 changed files with 52 additions and 24 deletions
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13
src/nix-worker/nix-worker.cc
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@ -309,12 +309,21 @@ static void performOp(unsigned int clientVersion,
case wopHasSubstitutes: {
Path path = readStorePath(from);
startWork();
bool result = store->hasSubstitutes(path);
PathSet res = store->querySubstitutablePaths(singleton<PathSet>(path));
stopWork();
writeInt(result, to);
writeInt(res.find(path) != res.end(), to);
break;
}
case wopQuerySubstitutablePaths: {
PathSet paths = readStorePaths<PathSet>(from);
startWork();
PathSet res = store->querySubstitutablePaths(paths);
stopWork();
writeStrings(res, to);
break;
}
case wopQueryPathHash: {
Path path = readStorePath(from);
startWork();