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Update worker protocol to support sending storepath maps

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We need to also send the ca to daemon in addition to the path.
This commit is contained in:
Matthew Bauer 2020-06-19 18:06:19 -04:00
parent e8e1f5282f
commit f2a6cee334
3 changed files with 40 additions and 9 deletions
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7
src/libstore/daemon.cc
View file

@ -609,12 +609,15 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopQuerySubstitutablePathInfos: {
auto paths = readStorePaths<StorePathSet>(*store, from);
logger->startWork();
SubstitutablePathInfos infos;
StorePathCAMap pathsMap = {};
if (GET_PROTOCOL_MINOR(clientVersion) < 22) {
auto paths = readStorePaths<StorePathSet>(*store, from);
for (auto & path : paths)
pathsMap.emplace(path, std::nullopt);
} else
pathsMap = readStorePathCAMap(*store, from);
logger->startWork();
store->querySubstitutablePathInfos(pathsMap, infos);
logger->stopWork();
to << infos.size();

24
src/libstore/remote-store.cc
View file

@ -38,6 +38,27 @@ void writeStorePaths(const Store & store, Sink & out, const StorePathSet & paths
out << store.printStorePath(i);
}
std::map<StorePath, std::optional<std::string>> readStorePathCAMap(const Store & store, Source & from)
{
StorePathCAMap paths;
auto count = readNum<size_t>(from);
while (count--) {
auto path = readString(from);
auto ca = readString(from);
paths.insert_or_assign(store.parseStorePath(path), !ca.empty() ? std::optional(ca) : std::nullopt);
}
return paths;
}
void writeStorePathCAMap(const Store & store, Sink & out, const StorePathCAMap & paths)
{
out << paths.size();
for (auto & i : paths) {
out << store.printStorePath(i.first);
out << (i.second ? *i.second : "");
}
}
/* TODO: Separate these store impls into different files, give them better names */
RemoteStore::RemoteStore(const Params & params)
@ -334,10 +355,13 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
} else {
conn->to << wopQuerySubstitutablePathInfos;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 22) {
StorePathSet paths;
for (auto & path : pathsMap)
paths.insert(path.first);
writeStorePaths(*this, conn->to, paths);
} else
writeStorePathCAMap(*this, conn->to, pathsMap);
conn.processStderr();
size_t count = readNum<size_t>(conn->from);
for (size_t n = 0; n < count; n++) {

6
src/libstore/worker-protocol.hh
View file

@ -6,7 +6,7 @@ namespace nix {
#define WORKER_MAGIC_1 0x6e697863
#define WORKER_MAGIC_2 0x6478696f
#define PROTOCOL_VERSION 0x115
#define PROTOCOL_VERSION 0x116
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
@ -69,5 +69,9 @@ template<class T> T readStorePaths(const Store & store, Source & from);
void writeStorePaths(const Store & store, Sink & out, const StorePathSet & paths);
std::map<StorePath, std::optional<std::string>> readStorePathCAMap(const Store & store, Source & from);
void writeStorePathCAMap(const Store & store, Sink & out, const StorePathCAMap & paths);
}