Merge branch 'add-ca-to-store' of https://github.com/hercules-ci/nix
This commit is contained in:
Eelco Dolstra
commit
92ac8df0ec
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@ -2950,14 +2950,6 @@ struct RestrictedStore : public LocalFSStore, public virtual RestrictedStoreConf
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goal.addDependency(info.path);
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}
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StorePath addToStoreFromDump(Source & dump, const string & name,
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FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256, RepairFlag repair = NoRepair) override
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{
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auto path = next->addToStoreFromDump(dump, name, method, hashAlgo, repair);
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goal.addDependency(path);
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return path;
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}
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StorePath addTextToStore(const string & name, const string & s,
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const StorePathSet & references, RepairFlag repair = NoRepair) override
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{
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@ -37,48 +37,86 @@ std::string renderContentAddress(ContentAddress ca) {
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}, ca);
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}
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ContentAddress parseContentAddress(std::string_view rawCa) {
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auto rest = rawCa;
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std::string renderContentAddressMethod(ContentAddressMethod cam) {
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return std::visit(overloaded {
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[](TextHashMethod &th) {
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return std::string{"text:"} + printHashType(htSHA256);
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},
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[](FixedOutputHashMethod &fshm) {
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return "fixed:" + makeFileIngestionPrefix(fshm.fileIngestionMethod) + printHashType(fshm.hashType);
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}
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}, cam);
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}
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/*
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Parses content address strings up to the hash.
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*/
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static ContentAddressMethod parseContentAddressMethodPrefix(std::string_view & rest) {
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std::string_view wholeInput { rest };
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std::string_view prefix;
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{
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auto optPrefix = splitPrefixTo(rest, ':');
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if (!optPrefix)
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throw UsageError("not a content address because it is not in the form '<prefix>:<rest>': %s", rawCa);
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throw UsageError("not a content address because it is not in the form '<prefix>:<rest>': %s", wholeInput);
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prefix = *optPrefix;
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}
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auto parseHashType_ = [&](){
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auto hashTypeRaw = splitPrefixTo(rest, ':');
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if (!hashTypeRaw)
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throw UsageError("content address hash must be in form '<algo>:<hash>', but found: %s", rawCa);
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throw UsageError("content address hash must be in form '<algo>:<hash>', but found: %s", wholeInput);
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HashType hashType = parseHashType(*hashTypeRaw);
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return std::move(hashType);
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};
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// Switch on prefix
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if (prefix == "text") {
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// No parsing of the method, "text" only support flat.
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// No parsing of the ingestion method, "text" only support flat.
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HashType hashType = parseHashType_();
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if (hashType != htSHA256)
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throw Error("text content address hash should use %s, but instead uses %s",
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printHashType(htSHA256), printHashType(hashType));
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return TextHash {
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.hash = Hash::parseNonSRIUnprefixed(rest, std::move(hashType)),
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};
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return TextHashMethod {};
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} else if (prefix == "fixed") {
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// Parse method
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auto method = FileIngestionMethod::Flat;
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if (splitPrefix(rest, "r:"))
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method = FileIngestionMethod::Recursive;
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HashType hashType = parseHashType_();
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return FixedOutputHash {
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.method = method,
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.hash = Hash::parseNonSRIUnprefixed(rest, std::move(hashType)),
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return FixedOutputHashMethod {
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.fileIngestionMethod = method,
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.hashType = std::move(hashType),
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};
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} else
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throw UsageError("content address prefix '%s' is unrecognized. Recogonized prefixes are 'text' or 'fixed'", prefix);
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};
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}
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ContentAddress parseContentAddress(std::string_view rawCa) {
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auto rest = rawCa;
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ContentAddressMethod caMethod = parseContentAddressMethodPrefix(rest);
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return std::visit(
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overloaded {
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[&](TextHashMethod thm) {
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return ContentAddress(TextHash {
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.hash = Hash::parseNonSRIUnprefixed(rest, htSHA256)
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});
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},
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[&](FixedOutputHashMethod fohMethod) {
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return ContentAddress(FixedOutputHash {
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.method = fohMethod.fileIngestionMethod,
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.hash = Hash::parseNonSRIUnprefixed(rest, std::move(fohMethod.hashType)),
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});
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},
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}, caMethod);
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}
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ContentAddressMethod parseContentAddressMethod(std::string_view caMethod) {
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std::string_view asPrefix {std::string{caMethod} + ":"};
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return parseContentAddressMethodPrefix(asPrefix);
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}
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std::optional<ContentAddress> parseContentAddressOpt(std::string_view rawCaOpt) {
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return rawCaOpt == "" ? std::optional<ContentAddress> {} : parseContentAddress(rawCaOpt);
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@ -55,4 +55,23 @@ std::optional<ContentAddress> parseContentAddressOpt(std::string_view rawCaOpt);
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Hash getContentAddressHash(const ContentAddress & ca);
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/*
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We only have one way to hash text with references, so this is single-value
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type is only useful in std::variant.
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*/
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struct TextHashMethod { };
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struct FixedOutputHashMethod {
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FileIngestionMethod fileIngestionMethod;
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HashType hashType;
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};
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typedef std::variant<
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TextHashMethod,
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FixedOutputHashMethod
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> ContentAddressMethod;
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ContentAddressMethod parseContentAddressMethod(std::string_view rawCaMethod);
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std::string renderContentAddressMethod(ContentAddressMethod caMethod);
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}
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@ -2,7 +2,6 @@
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#include "monitor-fd.hh"
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#include "worker-protocol.hh"
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#include "store-api.hh"
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#include "local-store.hh"
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#include "finally.hh"
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#include "affinity.hh"
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#include "archive.hh"
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@ -240,6 +239,18 @@ struct ClientSettings
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}
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};
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static void writeValidPathInfo(ref<Store> store, unsigned int clientVersion, Sink & to, std::shared_ptr<const ValidPathInfo> info) {
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to << (info->deriver ? store->printStorePath(*info->deriver) : "")
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<< info->narHash.to_string(Base16, false);
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writeStorePaths(*store, to, info->references);
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to << info->registrationTime << info->narSize;
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if (GET_PROTOCOL_MINOR(clientVersion) >= 16) {
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to << info->ultimate
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<< info->sigs
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<< renderContentAddress(info->ca);
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}
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}
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static void performOp(TunnelLogger * logger, ref<Store> store,
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TrustedFlag trusted, RecursiveFlag recursive, unsigned int clientVersion,
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Source & from, BufferedSink & to, unsigned int op)
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@ -350,47 +361,83 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
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}
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case wopAddToStore: {
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HashType hashAlgo;
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std::string baseName;
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FileIngestionMethod method;
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{
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bool fixed;
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uint8_t recursive;
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std::string hashAlgoRaw;
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from >> baseName >> fixed /* obsolete */ >> recursive >> hashAlgoRaw;
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if (recursive > (uint8_t) FileIngestionMethod::Recursive)
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throw Error("unsupported FileIngestionMethod with value of %i; you may need to upgrade nix-daemon", recursive);
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method = FileIngestionMethod { recursive };
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/* Compatibility hack. */
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if (!fixed) {
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hashAlgoRaw = "sha256";
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method = FileIngestionMethod::Recursive;
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if (GET_PROTOCOL_MINOR(clientVersion) >= 25) {
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auto name = readString(from);
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auto camStr = readString(from);
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auto refs = readStorePaths<StorePathSet>(*store, from);
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bool repairBool;
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from >> repairBool;
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auto repair = RepairFlag{repairBool};
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logger->startWork();
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auto pathInfo = [&]() {
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// NB: FramedSource must be out of scope before logger->stopWork();
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ContentAddressMethod contentAddressMethod = parseContentAddressMethod(camStr);
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FramedSource source(from);
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// TODO this is essentially RemoteStore::addCAToStore. Move it up to Store.
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return std::visit(overloaded {
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[&](TextHashMethod &_) {
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// We could stream this by changing Store
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std::string contents = source.drain();
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auto path = store->addTextToStore(name, contents, refs, repair);
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return store->queryPathInfo(path);
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},
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[&](FixedOutputHashMethod &fohm) {
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if (!refs.empty())
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throw UnimplementedError("cannot yet have refs with flat or nar-hashed data");
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auto path = store->addToStoreFromDump(source, name, fohm.fileIngestionMethod, fohm.hashType, repair);
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return store->queryPathInfo(path);
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},
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}, contentAddressMethod);
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}();
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logger->stopWork();
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to << store->printStorePath(pathInfo->path);
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writeValidPathInfo(store, clientVersion, to, pathInfo);
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} else {
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HashType hashAlgo;
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std::string baseName;
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FileIngestionMethod method;
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{
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bool fixed;
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uint8_t recursive;
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std::string hashAlgoRaw;
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from >> baseName >> fixed /* obsolete */ >> recursive >> hashAlgoRaw;
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if (recursive > (uint8_t) FileIngestionMethod::Recursive)
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throw Error("unsupported FileIngestionMethod with value of %i; you may need to upgrade nix-daemon", recursive);
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method = FileIngestionMethod { recursive };
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/* Compatibility hack. */
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if (!fixed) {
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hashAlgoRaw = "sha256";
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method = FileIngestionMethod::Recursive;
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}
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hashAlgo = parseHashType(hashAlgoRaw);
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}
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hashAlgo = parseHashType(hashAlgoRaw);
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StringSink saved;
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TeeSource savedNARSource(from, saved);
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RetrieveRegularNARSink savedRegular { saved };
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if (method == FileIngestionMethod::Recursive) {
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/* Get the entire NAR dump from the client and save it to
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a string so that we can pass it to
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addToStoreFromDump(). */
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ParseSink sink; /* null sink; just parse the NAR */
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parseDump(sink, savedNARSource);
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} else
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parseDump(savedRegular, from);
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logger->startWork();
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if (!savedRegular.regular) throw Error("regular file expected");
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// FIXME: try to stream directly from `from`.
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StringSource dumpSource { *saved.s };
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auto path = store->addToStoreFromDump(dumpSource, baseName, method, hashAlgo);
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logger->stopWork();
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to << store->printStorePath(path);
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}
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StringSink saved;
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TeeSource savedNARSource(from, saved);
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RetrieveRegularNARSink savedRegular { saved };
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if (method == FileIngestionMethod::Recursive) {
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/* Get the entire NAR dump from the client and save it to
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a string so that we can pass it to
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addToStoreFromDump(). */
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ParseSink sink; /* null sink; just parse the NAR */
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parseDump(sink, savedNARSource);
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} else
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parseDump(savedRegular, from);
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logger->startWork();
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if (!savedRegular.regular) throw Error("regular file expected");
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// FIXME: try to stream directly from `from`.
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StringSource dumpSource { *saved.s };
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auto path = store->addToStoreFromDump(dumpSource, baseName, method, hashAlgo);
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logger->stopWork();
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to << store->printStorePath(path);
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break;
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}
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@ -675,15 +722,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
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if (info) {
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if (GET_PROTOCOL_MINOR(clientVersion) >= 17)
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to << 1;
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to << (info->deriver ? store->printStorePath(*info->deriver) : "")
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<< info->narHash.to_string(Base16, false);
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writeStorePaths(*store, to, info->references);
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to << info->registrationTime << info->narSize;
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if (GET_PROTOCOL_MINOR(clientVersion) >= 16) {
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to << info->ultimate
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<< info->sigs
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<< renderContentAddress(info->ca);
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}
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writeValidPathInfo(store, clientVersion, to, info);
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} else {
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assert(GET_PROTOCOL_MINOR(clientVersion) >= 17);
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to << 0;
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@ -749,59 +788,12 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
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info.ultimate = false;
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if (GET_PROTOCOL_MINOR(clientVersion) >= 23) {
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struct FramedSource : Source
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{
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Source & from;
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bool eof = false;
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std::vector<unsigned char> pending;
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size_t pos = 0;
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FramedSource(Source & from) : from(from)
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{ }
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~FramedSource()
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{
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if (!eof) {
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while (true) {
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auto n = readInt(from);
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if (!n) break;
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std::vector<unsigned char> data(n);
|
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from(data.data(), n);
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}
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}
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}
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size_t read(unsigned char * data, size_t len) override
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{
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if (eof) throw EndOfFile("reached end of FramedSource");
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if (pos >= pending.size()) {
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size_t len = readInt(from);
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if (!len) {
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eof = true;
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return 0;
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}
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pending = std::vector<unsigned char>(len);
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pos = 0;
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from(pending.data(), len);
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}
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auto n = std::min(len, pending.size() - pos);
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memcpy(data, pending.data() + pos, n);
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pos += n;
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return n;
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}
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};
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logger->startWork();
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{
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FramedSource source(from);
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store->addToStore(info, source, (RepairFlag) repair,
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dontCheckSigs ? NoCheckSigs : CheckSigs);
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}
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logger->stopWork();
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}
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|
|
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@ -307,6 +307,8 @@ struct ConnectionHandle
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std::rethrow_exception(ex);
|
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}
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}
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void withFramedSink(std::function<void(Sink & sink)> fun);
|
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};
|
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|
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|
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@ -420,11 +422,27 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
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}
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|
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|
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ref<const ValidPathInfo> RemoteStore::readValidPathInfo(ConnectionHandle & conn, const StorePath & path) {
|
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auto deriver = readString(conn->from);
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auto narHash = Hash::parseAny(readString(conn->from), htSHA256);
|
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auto info = make_ref<ValidPathInfo>(path, narHash);
|
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if (deriver != "") info->deriver = parseStorePath(deriver);
|
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info->references = readStorePaths<StorePathSet>(*this, conn->from);
|
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conn->from >> info->registrationTime >> info->narSize;
|
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if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) {
|
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conn->from >> info->ultimate;
|
||||
info->sigs = readStrings<StringSet>(conn->from);
|
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info->ca = parseContentAddressOpt(readString(conn->from));
|
||||
}
|
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return info;
|
||||
}
|
||||
|
||||
|
||||
void RemoteStore::queryPathInfoUncached(const StorePath & path,
|
||||
Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept
|
||||
{
|
||||
try {
|
||||
std::shared_ptr<ValidPathInfo> info;
|
||||
std::shared_ptr<const ValidPathInfo> info;
|
||||
{
|
||||
auto conn(getConnection());
|
||||
conn->to << wopQueryPathInfo << printStorePath(path);
|
||||
|
|
@ -440,17 +458,7 @@ void RemoteStore::queryPathInfoUncached(const StorePath & path,
|
|||
bool valid; conn->from >> valid;
|
||||
if (!valid) throw InvalidPath("path '%s' is not valid", printStorePath(path));
|
||||
}
|
||||
auto deriver = readString(conn->from);
|
||||
auto narHash = Hash::parseAny(readString(conn->from), htSHA256);
|
||||
info = std::make_shared<ValidPathInfo>(path, narHash);
|
||||
if (deriver != "") info->deriver = parseStorePath(deriver);
|
||||
info->references = readStorePaths<StorePathSet>(*this, conn->from);
|
||||
conn->from >> info->registrationTime >> info->narSize;
|
||||
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) {
|
||||
conn->from >> info->ultimate;
|
||||
info->sigs = readStrings<StringSet>(conn->from);
|
||||
info->ca = parseContentAddressOpt(readString(conn->from));
|
||||
}
|
||||
info = readValidPathInfo(conn, path);
|
||||
}
|
||||
callback(std::move(info));
|
||||
} catch (...) { callback.rethrow(); }
|
||||
|
|
@ -525,6 +533,84 @@ std::optional<StorePath> RemoteStore::queryPathFromHashPart(const std::string &
|
|||
}
|
||||
|
||||
|
||||
ref<const ValidPathInfo> RemoteStore::addCAToStore(Source & dump, const string & name, ContentAddressMethod caMethod, StorePathSet references, RepairFlag repair)
|
||||
{
|
||||
auto conn(getConnection());
|
||||
|
||||
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 25) {
|
||||
|
||||
conn->to
|
||||
<< wopAddToStore
|
||||
<< name
|
||||
<< renderContentAddressMethod(caMethod);
|
||||
writeStorePaths(*this, conn->to, references);
|
||||
conn->to << repair;
|
||||
|
||||
conn.withFramedSink([&](Sink & sink) {
|
||||
dump.drainInto(sink);
|
||||
});
|
||||
|
||||
auto path = parseStorePath(readString(conn->from));
|
||||
return readValidPathInfo(conn, path);
|
||||
}
|
||||
else {
|
||||
if (repair) throw Error("repairing is not supported when building through the Nix daemon protocol < 1.25");
|
||||
|
||||
std::visit(overloaded {
|
||||
[&](TextHashMethod thm) -> void {
|
||||
std::string s = dump.drain();
|
||||
conn->to << wopAddTextToStore << name << s;
|
||||
writeStorePaths(*this, conn->to, references);
|
||||
conn.processStderr();
|
||||
},
|
||||
[&](FixedOutputHashMethod fohm) -> void {
|
||||
conn->to
|
||||
<< wopAddToStore
|
||||
<< name
|
||||
<< ((fohm.hashType == htSHA256 && fohm.fileIngestionMethod == FileIngestionMethod::Recursive) ? 0 : 1) /* backwards compatibility hack */
|
||||
<< (fohm.fileIngestionMethod == FileIngestionMethod::Recursive ? 1 : 0)
|
||||
<< printHashType(fohm.hashType);
|
||||
|
||||
try {
|
||||
conn->to.written = 0;
|
||||
conn->to.warn = true;
|
||||
connections->incCapacity();
|
||||
{
|
||||
Finally cleanup([&]() { connections->decCapacity(); });
|
||||
if (fohm.fileIngestionMethod == FileIngestionMethod::Recursive) {
|
||||
dump.drainInto(conn->to);
|
||||
} else {
|
||||
std::string contents = dump.drain();
|
||||
dumpString(contents, conn->to);
|
||||
}
|
||||
}
|
||||
conn->to.warn = false;
|
||||
conn.processStderr();
|
||||
} catch (SysError & e) {
|
||||
/* Daemon closed while we were sending the path. Probably OOM
|
||||
or I/O error. */
|
||||
if (e.errNo == EPIPE)
|
||||
try {
|
||||
conn.processStderr();
|
||||
} catch (EndOfFile & e) { }
|
||||
throw;
|
||||
}
|
||||
|
||||
}
|
||||
}, caMethod);
|
||||
auto path = parseStorePath(readString(conn->from));
|
||||
return queryPathInfo(path);
|
||||
}
|
||||
}
|
||||
|
||||
StorePath RemoteStore::addToStoreFromDump(Source & dump, const string & name,
|
||||
FileIngestionMethod method, HashType hashType, RepairFlag repair)
|
||||
{
|
||||
StorePathSet references;
|
||||
return addCAToStore(dump, name, FixedOutputHashMethod{ .fileIngestionMethod = method, .hashType = hashType }, references, repair)->path;
|
||||
}
|
||||
|
||||
|
||||
void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
|
||||
RepairFlag repair, CheckSigsFlag checkSigs)
|
||||
{
|
||||
|
|
@ -565,78 +651,9 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
|
|||
<< repair << !checkSigs;
|
||||
|
||||
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 23) {
|
||||
|
||||
conn->to.flush();
|
||||
|
||||
std::exception_ptr ex;
|
||||
|
||||
struct FramedSink : BufferedSink
|
||||
{
|
||||
ConnectionHandle & conn;
|
||||
std::exception_ptr & ex;
|
||||
|
||||
FramedSink(ConnectionHandle & conn, std::exception_ptr & ex) : conn(conn), ex(ex)
|
||||
{ }
|
||||
|
||||
~FramedSink()
|
||||
{
|
||||
try {
|
||||
conn->to << 0;
|
||||
conn->to.flush();
|
||||
} catch (...) {
|
||||
ignoreException();
|
||||
}
|
||||
}
|
||||
|
||||
void write(const unsigned char * data, size_t len) override
|
||||
{
|
||||
/* Don't send more data if the remote has
|
||||
encountered an error. */
|
||||
if (ex) {
|
||||
auto ex2 = ex;
|
||||
ex = nullptr;
|
||||
std::rethrow_exception(ex2);
|
||||
}
|
||||
conn->to << len;
|
||||
conn->to(data, len);
|
||||
};
|
||||
};
|
||||
|
||||
/* Handle log messages / exceptions from the remote on a
|
||||
separate thread. */
|
||||
std::thread stderrThread([&]()
|
||||
{
|
||||
try {
|
||||
conn.processStderr(nullptr, nullptr, false);
|
||||
} catch (...) {
|
||||
ex = std::current_exception();
|
||||
}
|
||||
});
|
||||
|
||||
Finally joinStderrThread([&]()
|
||||
{
|
||||
if (stderrThread.joinable()) {
|
||||
stderrThread.join();
|
||||
if (ex) {
|
||||
try {
|
||||
std::rethrow_exception(ex);
|
||||
} catch (...) {
|
||||
ignoreException();
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
{
|
||||
FramedSink sink(conn, ex);
|
||||
conn.withFramedSink([&](Sink & sink) {
|
||||
copyNAR(source, sink);
|
||||
sink.flush();
|
||||
}
|
||||
|
||||
stderrThread.join();
|
||||
if (ex)
|
||||
std::rethrow_exception(ex);
|
||||
|
||||
});
|
||||
} else if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 21) {
|
||||
conn.processStderr(0, &source);
|
||||
} else {
|
||||
|
|
@ -647,57 +664,11 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
|
|||
}
|
||||
|
||||
|
||||
StorePath RemoteStore::addToStore(const string & name, const Path & _srcPath,
|
||||
FileIngestionMethod method, HashType hashAlgo, PathFilter & filter, RepairFlag repair)
|
||||
{
|
||||
if (repair) throw Error("repairing is not supported when building through the Nix daemon");
|
||||
|
||||
auto conn(getConnection());
|
||||
|
||||
Path srcPath(absPath(_srcPath));
|
||||
|
||||
conn->to
|
||||
<< wopAddToStore
|
||||
<< name
|
||||
<< ((hashAlgo == htSHA256 && method == FileIngestionMethod::Recursive) ? 0 : 1) /* backwards compatibility hack */
|
||||
<< (method == FileIngestionMethod::Recursive ? 1 : 0)
|
||||
<< printHashType(hashAlgo);
|
||||
|
||||
try {
|
||||
conn->to.written = 0;
|
||||
conn->to.warn = true;
|
||||
connections->incCapacity();
|
||||
{
|
||||
Finally cleanup([&]() { connections->decCapacity(); });
|
||||
dumpPath(srcPath, conn->to, filter);
|
||||
}
|
||||
conn->to.warn = false;
|
||||
conn.processStderr();
|
||||
} catch (SysError & e) {
|
||||
/* Daemon closed while we were sending the path. Probably OOM
|
||||
or I/O error. */
|
||||
if (e.errNo == EPIPE)
|
||||
try {
|
||||
conn.processStderr();
|
||||
} catch (EndOfFile & e) { }
|
||||
throw;
|
||||
}
|
||||
|
||||
return parseStorePath(readString(conn->from));
|
||||
}
|
||||
|
||||
|
||||
StorePath RemoteStore::addTextToStore(const string & name, const string & s,
|
||||
const StorePathSet & references, RepairFlag repair)
|
||||
{
|
||||
if (repair) throw Error("repairing is not supported when building through the Nix daemon");
|
||||
|
||||
auto conn(getConnection());
|
||||
conn->to << wopAddTextToStore << name << s;
|
||||
writeStorePaths(*this, conn->to, references);
|
||||
|
||||
conn.processStderr();
|
||||
return parseStorePath(readString(conn->from));
|
||||
StringSource source(s);
|
||||
return addCAToStore(source, name, TextHashMethod{}, references, repair)->path;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -993,6 +964,49 @@ std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source *
|
|||
return nullptr;
|
||||
}
|
||||
|
||||
void
|
||||
ConnectionHandle::withFramedSink(std::function<void(Sink &sink)> fun) {
|
||||
(*this)->to.flush();
|
||||
|
||||
std::exception_ptr ex;
|
||||
|
||||
/* Handle log messages / exceptions from the remote on a
|
||||
separate thread. */
|
||||
std::thread stderrThread([&]()
|
||||
{
|
||||
try {
|
||||
processStderr(nullptr, nullptr, false);
|
||||
} catch (...) {
|
||||
ex = std::current_exception();
|
||||
}
|
||||
});
|
||||
|
||||
Finally joinStderrThread([&]()
|
||||
{
|
||||
if (stderrThread.joinable()) {
|
||||
stderrThread.join();
|
||||
if (ex) {
|
||||
try {
|
||||
std::rethrow_exception(ex);
|
||||
} catch (...) {
|
||||
ignoreException();
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
{
|
||||
FramedSink sink((*this)->to, ex);
|
||||
fun(sink);
|
||||
sink.flush();
|
||||
}
|
||||
|
||||
stderrThread.join();
|
||||
if (ex)
|
||||
std::rethrow_exception(ex);
|
||||
|
||||
}
|
||||
|
||||
static RegisterStoreImplementation<UDSRemoteStore, UDSRemoteStoreConfig> regStore;
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -63,13 +63,16 @@ public:
|
|||
void querySubstitutablePathInfos(const StorePathCAMap & paths,
|
||||
SubstitutablePathInfos & infos) override;
|
||||
|
||||
/* Add a content-addressable store path. `dump` will be drained. */
|
||||
ref<const ValidPathInfo> addCAToStore(Source & dump, const string & name, ContentAddressMethod caMethod, StorePathSet references, RepairFlag repair);
|
||||
|
||||
/* Add a content-addressable store path. Does not support references. `dump` will be drained. */
|
||||
StorePath addToStoreFromDump(Source & dump, const string & name,
|
||||
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256, RepairFlag repair = NoRepair) override;
|
||||
|
||||
void addToStore(const ValidPathInfo & info, Source & nar,
|
||||
RepairFlag repair, CheckSigsFlag checkSigs) override;
|
||||
|
||||
StorePath addToStore(const string & name, const Path & srcPath,
|
||||
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256,
|
||||
PathFilter & filter = defaultPathFilter, RepairFlag repair = NoRepair) override;
|
||||
|
||||
StorePath addTextToStore(const string & name, const string & s,
|
||||
const StorePathSet & references, RepairFlag repair) override;
|
||||
|
||||
|
|
@ -139,6 +142,8 @@ protected:
|
|||
|
||||
virtual void narFromPath(const StorePath & path, Sink & sink) override;
|
||||
|
||||
ref<const ValidPathInfo> readValidPathInfo(ConnectionHandle & conn, const StorePath & path);
|
||||
|
||||
private:
|
||||
|
||||
std::atomic_bool failed{false};
|
||||
|
|
|
|||
|
|
@ -449,7 +449,8 @@ public:
|
|||
/* Like addToStore(), but the contents of the path are contained
|
||||
in `dump', which is either a NAR serialisation (if recursive ==
|
||||
true) or simply the contents of a regular file (if recursive ==
|
||||
false). */
|
||||
false).
|
||||
`dump` may be drained */
|
||||
// FIXME: remove?
|
||||
virtual StorePath addToStoreFromDump(Source & dump, const string & name,
|
||||
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256, RepairFlag repair = NoRepair)
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@ namespace nix {
|
|||
#define WORKER_MAGIC_1 0x6e697863
|
||||
#define WORKER_MAGIC_2 0x6478696f
|
||||
|
||||
#define PROTOCOL_VERSION 0x118
|
||||
#define PROTOCOL_VERSION 0x119
|
||||
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
|
||||
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
|
||||
|
||||
|
|
@ -18,7 +18,7 @@ typedef enum {
|
|||
wopQueryReferences = 5, // obsolete
|
||||
wopQueryReferrers = 6,
|
||||
wopAddToStore = 7,
|
||||
wopAddTextToStore = 8,
|
||||
wopAddTextToStore = 8, // obsolete since 1.25, Nix 3.0. Use wopAddToStore
|
||||
wopBuildPaths = 9,
|
||||
wopEnsurePath = 10,
|
||||
wopAddTempRoot = 11,
|
||||
|
|
|
|||
|
|
@ -93,7 +93,7 @@ void Source::operator () (unsigned char * data, size_t len)
|
|||
}
|
||||
|
||||
|
||||
std::string Source::drain()
|
||||
void Source::drainInto(Sink & sink)
|
||||
{
|
||||
std::string s;
|
||||
std::vector<unsigned char> buf(8192);
|
||||
|
|
@ -101,12 +101,19 @@ std::string Source::drain()
|
|||
size_t n;
|
||||
try {
|
||||
n = read(buf.data(), buf.size());
|
||||
s.append((char *) buf.data(), n);
|
||||
sink(buf.data(), n);
|
||||
} catch (EndOfFile &) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
|
||||
std::string Source::drain()
|
||||
{
|
||||
StringSink s;
|
||||
drainInto(s);
|
||||
return *s.s;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -69,6 +69,8 @@ struct Source
|
|||
|
||||
virtual bool good() { return true; }
|
||||
|
||||
void drainInto(Sink & sink);
|
||||
|
||||
std::string drain();
|
||||
};
|
||||
|
||||
|
|
@ -404,4 +406,93 @@ struct StreamToSourceAdapter : Source
|
|||
};
|
||||
|
||||
|
||||
/* A source that reads a distinct format of concatenated chunks back into its
|
||||
logical form, in order to guarantee a known state to the original stream,
|
||||
even in the event of errors.
|
||||
|
||||
Use with FramedSink, which also allows the logical stream to be terminated
|
||||
in the event of an exception.
|
||||
*/
|
||||
struct FramedSource : Source
|
||||
{
|
||||
Source & from;
|
||||
bool eof = false;
|
||||
std::vector<unsigned char> pending;
|
||||
size_t pos = 0;
|
||||
|
||||
FramedSource(Source & from) : from(from)
|
||||
{ }
|
||||
|
||||
~FramedSource()
|
||||
{
|
||||
if (!eof) {
|
||||
while (true) {
|
||||
auto n = readInt(from);
|
||||
if (!n) break;
|
||||
std::vector<unsigned char> data(n);
|
||||
from(data.data(), n);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
size_t read(unsigned char * data, size_t len) override
|
||||
{
|
||||
if (eof) throw EndOfFile("reached end of FramedSource");
|
||||
|
||||
if (pos >= pending.size()) {
|
||||
size_t len = readInt(from);
|
||||
if (!len) {
|
||||
eof = true;
|
||||
return 0;
|
||||
}
|
||||
pending = std::vector<unsigned char>(len);
|
||||
pos = 0;
|
||||
from(pending.data(), len);
|
||||
}
|
||||
|
||||
auto n = std::min(len, pending.size() - pos);
|
||||
memcpy(data, pending.data() + pos, n);
|
||||
pos += n;
|
||||
return n;
|
||||
}
|
||||
};
|
||||
|
||||
/* Write as chunks in the format expected by FramedSource.
|
||||
|
||||
The exception_ptr reference can be used to terminate the stream when you
|
||||
detect that an error has occurred on the remote end.
|
||||
*/
|
||||
struct FramedSink : nix::BufferedSink
|
||||
{
|
||||
BufferedSink & to;
|
||||
std::exception_ptr & ex;
|
||||
|
||||
FramedSink(BufferedSink & to, std::exception_ptr & ex) : to(to), ex(ex)
|
||||
{ }
|
||||
|
||||
~FramedSink()
|
||||
{
|
||||
try {
|
||||
to << 0;
|
||||
to.flush();
|
||||
} catch (...) {
|
||||
ignoreException();
|
||||
}
|
||||
}
|
||||
|
||||
void write(const unsigned char * data, size_t len) override
|
||||
{
|
||||
/* Don't send more data if the remote has
|
||||
encountered an error. */
|
||||
if (ex) {
|
||||
auto ex2 = ex;
|
||||
ex = nullptr;
|
||||
std::rethrow_exception(ex2);
|
||||
}
|
||||
to << len;
|
||||
to(data, len);
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ namespace nix {
|
|||
|
||||
// If `separator` is found, we return the portion of the string before the
|
||||
// separator, and modify the string argument to contain only the part after the
|
||||
// separator. Otherwise, wer return `std::nullopt`, and we leave the argument
|
||||
// separator. Otherwise, we return `std::nullopt`, and we leave the argument
|
||||
// string alone.
|
||||
static inline std::optional<std::string_view> splitPrefixTo(std::string_view & string, char separator) {
|
||||
auto sepInstance = string.find(separator);
|
||||
|
|
|
|||
Loading…
Reference in a new issue