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-rw-r--r--src/libstore/build/derivation-goal.cc6
-rw-r--r--src/libstore/daemon.cc64
-rw-r--r--src/libstore/derivations.cc7
-rw-r--r--src/libstore/export-import.cc7
-rw-r--r--src/libstore/legacy-ssh-store.cc52
-rw-r--r--src/libstore/path-info.cc7
-rw-r--r--src/libstore/remote-store-connection.hh97
-rw-r--r--src/libstore/remote-store.cc76
-rw-r--r--src/libstore/remote-store.hh16
-rw-r--r--src/libstore/ssh-store.cc1
-rw-r--r--src/libstore/uds-remote-store.hh1
-rw-r--r--src/libstore/worker-protocol-impl.hh40
-rw-r--r--src/libstore/worker-protocol.cc102
-rw-r--r--src/libstore/worker-protocol.hh34
-rw-r--r--src/nix-store/nix-store.cc21
-rw-r--r--src/nix/daemon.cc1
16 files changed, 348 insertions, 184 deletions
diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc
index 1a946e3d2..5e37f7ecb 100644
--- a/src/libstore/build/derivation-goal.cc
+++ b/src/libstore/build/derivation-goal.cc
@@ -1151,9 +1151,11 @@ HookReply DerivationGoal::tryBuildHook()
throw;
}
+ WorkerProto::WriteConn conn { hook->sink };
+
/* Tell the hook all the inputs that have to be copied to the
remote system. */
- WorkerProto::write(worker.store, hook->sink, inputPaths);
+ WorkerProto::write(worker.store, conn, inputPaths);
/* Tell the hooks the missing outputs that have to be copied back
from the remote system. */
@@ -1164,7 +1166,7 @@ HookReply DerivationGoal::tryBuildHook()
if (buildMode != bmCheck && status.known && status.known->isValid()) continue;
missingOutputs.insert(outputName);
}
- WorkerProto::write(worker.store, hook->sink, missingOutputs);
+ WorkerProto::write(worker.store, conn, missingOutputs);
}
hook->sink = FdSink();
diff --git a/src/libstore/daemon.cc b/src/libstore/daemon.cc
index 7eba1a79d..75c3d2aca 100644
--- a/src/libstore/daemon.cc
+++ b/src/libstore/daemon.cc
@@ -260,13 +260,13 @@ struct ClientSettings
}
};
-static std::vector<DerivedPath> readDerivedPaths(Store & store, unsigned int clientVersion, Source & from)
+static std::vector<DerivedPath> readDerivedPaths(Store & store, unsigned int clientVersion, WorkerProto::ReadConn conn)
{
std::vector<DerivedPath> reqs;
if (GET_PROTOCOL_MINOR(clientVersion) >= 30) {
- reqs = WorkerProto::Serialise<std::vector<DerivedPath>>::read(store, from);
+ reqs = WorkerProto::Serialise<std::vector<DerivedPath>>::read(store, conn);
} else {
- for (auto & s : readStrings<Strings>(from))
+ for (auto & s : readStrings<Strings>(conn.from))
reqs.push_back(parsePathWithOutputs(store, s).toDerivedPath());
}
return reqs;
@@ -276,6 +276,9 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
TrustedFlag trusted, RecursiveFlag recursive, unsigned int clientVersion,
Source & from, BufferedSink & to, WorkerProto::Op op)
{
+ WorkerProto::ReadConn rconn { .from = from };
+ WorkerProto::WriteConn wconn { .to = to };
+
switch (op) {
case WorkerProto::Op::IsValidPath: {
@@ -288,7 +291,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::QueryValidPaths: {
- auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
SubstituteFlag substitute = NoSubstitute;
if (GET_PROTOCOL_MINOR(clientVersion) >= 27) {
@@ -301,7 +304,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
auto res = store->queryValidPaths(paths, substitute);
logger->stopWork();
- WorkerProto::write(*store, to, res);
+ WorkerProto::write(*store, wconn, res);
break;
}
@@ -317,11 +320,11 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::QuerySubstitutablePaths: {
- auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
logger->startWork();
auto res = store->querySubstitutablePaths(paths);
logger->stopWork();
- WorkerProto::write(*store, to, res);
+ WorkerProto::write(*store, wconn, res);
break;
}
@@ -350,7 +353,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
paths = store->queryValidDerivers(path);
else paths = store->queryDerivationOutputs(path);
logger->stopWork();
- WorkerProto::write(*store, to, paths);
+ WorkerProto::write(*store, wconn, paths);
break;
}
@@ -368,7 +371,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
logger->startWork();
auto outputs = store->queryPartialDerivationOutputMap(path);
logger->stopWork();
- WorkerProto::write(*store, to, outputs);
+ WorkerProto::write(*store, wconn, outputs);
break;
}
@@ -394,7 +397,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) >= 25) {
auto name = readString(from);
auto camStr = readString(from);
- auto refs = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ auto refs = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
bool repairBool;
from >> repairBool;
auto repair = RepairFlag{repairBool};
@@ -496,7 +499,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case WorkerProto::Op::AddTextToStore: {
std::string suffix = readString(from);
std::string s = readString(from);
- auto refs = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ auto refs = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
logger->startWork();
auto path = store->addTextToStore(suffix, s, refs, NoRepair);
logger->stopWork();
@@ -528,7 +531,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::BuildPaths: {
- auto drvs = readDerivedPaths(*store, clientVersion, from);
+ auto drvs = readDerivedPaths(*store, clientVersion, rconn);
BuildMode mode = bmNormal;
if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
mode = (BuildMode) readInt(from);
@@ -553,7 +556,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::BuildPathsWithResults: {
- auto drvs = readDerivedPaths(*store, clientVersion, from);
+ auto drvs = readDerivedPaths(*store, clientVersion, rconn);
BuildMode mode = bmNormal;
mode = (BuildMode) readInt(from);
@@ -568,7 +571,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto results = store->buildPathsWithResults(drvs, mode);
logger->stopWork();
- WorkerProto::write(*store, to, results);
+ WorkerProto::write(*store, wconn, results);
break;
}
@@ -645,7 +648,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
- WorkerProto::write(*store, to, builtOutputs);
+ WorkerProto::write(*store, wconn, builtOutputs);
}
break;
}
@@ -710,7 +713,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
case WorkerProto::Op::CollectGarbage: {
GCOptions options;
options.action = (GCOptions::GCAction) readInt(from);
- options.pathsToDelete = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ options.pathsToDelete = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
from >> options.ignoreLiveness >> options.maxFreed;
// obsolete fields
readInt(from);
@@ -780,7 +783,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
else {
to << 1
<< (i->second.deriver ? store->printStorePath(*i->second.deriver) : "");
- WorkerProto::write(*store, to, i->second.references);
+ WorkerProto::write(*store, wconn, i->second.references);
to << i->second.downloadSize
<< i->second.narSize;
}
@@ -791,11 +794,11 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
SubstitutablePathInfos infos;
StorePathCAMap pathsMap = {};
if (GET_PROTOCOL_MINOR(clientVersion) < 22) {
- auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
for (auto & path : paths)
pathsMap.emplace(path, std::nullopt);
} else
- pathsMap = WorkerProto::Serialise<StorePathCAMap>::read(*store, from);
+ pathsMap = WorkerProto::Serialise<StorePathCAMap>::read(*store, rconn);
logger->startWork();
store->querySubstitutablePathInfos(pathsMap, infos);
logger->stopWork();
@@ -803,7 +806,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
for (auto & i : infos) {
to << store->printStorePath(i.first)
<< (i.second.deriver ? store->printStorePath(*i.second.deriver) : "");
- WorkerProto::write(*store, to, i.second.references);
+ WorkerProto::write(*store, wconn, i.second.references);
to << i.second.downloadSize << i.second.narSize;
}
break;
@@ -813,7 +816,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
logger->startWork();
auto paths = store->queryAllValidPaths();
logger->stopWork();
- WorkerProto::write(*store, to, paths);
+ WorkerProto::write(*store, wconn, paths);
break;
}
@@ -885,7 +888,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
ValidPathInfo info { path, narHash };
if (deriver != "")
info.deriver = store->parseStorePath(deriver);
- info.references = WorkerProto::Serialise<StorePathSet>::read(*store, from);
+ info.references = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
from >> info.registrationTime >> info.narSize >> info.ultimate;
info.sigs = readStrings<StringSet>(from);
info.ca = ContentAddress::parseOpt(readString(from));
@@ -930,15 +933,15 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::QueryMissing: {
- auto targets = readDerivedPaths(*store, clientVersion, from);
+ auto targets = readDerivedPaths(*store, clientVersion, rconn);
logger->startWork();
StorePathSet willBuild, willSubstitute, unknown;
uint64_t downloadSize, narSize;
store->queryMissing(targets, willBuild, willSubstitute, unknown, downloadSize, narSize);
logger->stopWork();
- WorkerProto::write(*store, to, willBuild);
- WorkerProto::write(*store, to, willSubstitute);
- WorkerProto::write(*store, to, unknown);
+ WorkerProto::write(*store, wconn, willBuild);
+ WorkerProto::write(*store, wconn, willSubstitute);
+ WorkerProto::write(*store, wconn, unknown);
to << downloadSize << narSize;
break;
}
@@ -951,7 +954,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
store->registerDrvOutput(Realisation{
.id = outputId, .outPath = outputPath});
} else {
- auto realisation = WorkerProto::Serialise<Realisation>::read(*store, from);
+ auto realisation = WorkerProto::Serialise<Realisation>::read(*store, rconn);
store->registerDrvOutput(realisation);
}
logger->stopWork();
@@ -966,11 +969,11 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) < 31) {
std::set<StorePath> outPaths;
if (info) outPaths.insert(info->outPath);
- WorkerProto::write(*store, to, outPaths);
+ WorkerProto::write(*store, wconn, outPaths);
} else {
std::set<Realisation> realisations;
if (info) realisations.insert(*info);
- WorkerProto::write(*store, to, realisations);
+ WorkerProto::write(*store, wconn, realisations);
}
break;
}
@@ -1050,7 +1053,8 @@ void processConnection(
auto temp = trusted
? store->isTrustedClient()
: std::optional { NotTrusted };
- WorkerProto::write(*store, to, temp);
+ WorkerProto::WriteConn wconn { .to = to };
+ WorkerProto::write(*store, wconn, temp);
}
/* Send startup error messages to the client. */
diff --git a/src/libstore/derivations.cc b/src/libstore/derivations.cc
index 2295ff9e8..6f63685d4 100644
--- a/src/libstore/derivations.cc
+++ b/src/libstore/derivations.cc
@@ -750,7 +750,8 @@ Source & readDerivation(Source & in, const Store & store, BasicDerivation & drv,
drv.outputs.emplace(std::move(name), std::move(output));
}
- drv.inputSrcs = WorkerProto::Serialise<StorePathSet>::read(store, in);
+ drv.inputSrcs = WorkerProto::Serialise<StorePathSet>::read(store,
+ WorkerProto::ReadConn { .from = in });
in >> drv.platform >> drv.builder;
drv.args = readStrings<Strings>(in);
@@ -798,7 +799,9 @@ void writeDerivation(Sink & out, const Store & store, const BasicDerivation & dr
},
}, i.second.raw());
}
- WorkerProto::write(store, out, drv.inputSrcs);
+ WorkerProto::write(store,
+ WorkerProto::WriteConn { .to = out },
+ drv.inputSrcs);
out << drv.platform << drv.builder << drv.args;
out << drv.env.size();
for (auto & i : drv.env)
diff --git a/src/libstore/export-import.cc b/src/libstore/export-import.cc
index b4100bace..e866aeb42 100644
--- a/src/libstore/export-import.cc
+++ b/src/libstore/export-import.cc
@@ -46,7 +46,9 @@ void Store::exportPath(const StorePath & path, Sink & sink)
teeSink
<< exportMagic
<< printStorePath(path);
- WorkerProto::write(*this, teeSink, info->references);
+ WorkerProto::write(*this,
+ WorkerProto::WriteConn { .to = teeSink },
+ info->references);
teeSink
<< (info->deriver ? printStorePath(*info->deriver) : "")
<< 0;
@@ -74,7 +76,8 @@ StorePaths Store::importPaths(Source & source, CheckSigsFlag checkSigs)
//Activity act(*logger, lvlInfo, "importing path '%s'", info.path);
- auto references = WorkerProto::Serialise<StorePathSet>::read(*this, source);
+ auto references = WorkerProto::Serialise<StorePathSet>::read(*this,
+ WorkerProto::ReadConn { .from = source });
auto deriver = readString(source);
auto narHash = hashString(htSHA256, saved.s);
diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index 55ecab0ff..fa17d606d 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -48,6 +48,42 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
FdSource from;
int remoteVersion;
bool good = true;
+
+ /**
+ * Coercion to `WorkerProto::ReadConn`. This makes it easy to use the
+ * factored out worker protocol searlizers with a
+ * `LegacySSHStore::Connection`.
+ *
+ * The worker protocol connection types are unidirectional, unlike
+ * this type.
+ *
+ * @todo Use server protocol serializers, not worker protocol
+ * serializers, once we have made that distiction.
+ */
+ operator WorkerProto::ReadConn ()
+ {
+ return WorkerProto::ReadConn {
+ .from = from,
+ };
+ }
+
+ /*
+ * Coercion to `WorkerProto::WriteConn`. This makes it easy to use the
+ * factored out worker protocol searlizers with a
+ * `LegacySSHStore::Connection`.
+ *
+ * The worker protocol connection types are unidirectional, unlike
+ * this type.
+ *
+ * @todo Use server protocol serializers, not worker protocol
+ * serializers, once we have made that distiction.
+ */
+ operator WorkerProto::WriteConn ()
+ {
+ return WorkerProto::WriteConn {
+ .to = to,
+ };
+ }
};
std::string host;
@@ -147,7 +183,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
auto deriver = readString(conn->from);
if (deriver != "")
info->deriver = parseStorePath(deriver);
- info->references = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ info->references = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
readLongLong(conn->from); // download size
info->narSize = readLongLong(conn->from);
@@ -181,7 +217,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
<< printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false);
- WorkerProto::write(*this, conn->to, info.references);
+ WorkerProto::write(*this, *conn, info.references);
conn->to
<< info.registrationTime
<< info.narSize
@@ -210,7 +246,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
conn->to
<< exportMagic
<< printStorePath(info.path);
- WorkerProto::write(*this, conn->to, info.references);
+ WorkerProto::write(*this, *conn, info.references);
conn->to
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< 0
@@ -295,7 +331,7 @@ public:
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 3)
conn->from >> status.timesBuilt >> status.isNonDeterministic >> status.startTime >> status.stopTime;
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 6) {
- auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(*this, conn->from);
+ auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(*this, *conn);
for (auto && [output, realisation] : builtOutputs)
status.builtOutputs.insert_or_assign(
std::move(output.outputName),
@@ -370,10 +406,10 @@ public:
conn->to
<< ServeProto::Command::QueryClosure
<< includeOutputs;
- WorkerProto::write(*this, conn->to, paths);
+ WorkerProto::write(*this, *conn, paths);
conn->to.flush();
- for (auto & i : WorkerProto::Serialise<StorePathSet>::read(*this, conn->from))
+ for (auto & i : WorkerProto::Serialise<StorePathSet>::read(*this, *conn))
out.insert(i);
}
@@ -386,10 +422,10 @@ public:
<< ServeProto::Command::QueryValidPaths
<< false // lock
<< maybeSubstitute;
- WorkerProto::write(*this, conn->to, paths);
+ WorkerProto::write(*this, *conn, paths);
conn->to.flush();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
void connect() override
diff --git a/src/libstore/path-info.cc b/src/libstore/path-info.cc
index 9971de1dd..981bbfb14 100644
--- a/src/libstore/path-info.cc
+++ b/src/libstore/path-info.cc
@@ -133,7 +133,8 @@ ValidPathInfo ValidPathInfo::read(Source & source, const Store & store, unsigned
auto narHash = Hash::parseAny(readString(source), htSHA256);
ValidPathInfo info(path, narHash);
if (deriver != "") info.deriver = store.parseStorePath(deriver);
- info.references = WorkerProto::Serialise<StorePathSet>::read(store, source);
+ info.references = WorkerProto::Serialise<StorePathSet>::read(store,
+ WorkerProto::ReadConn { .from = source });
source >> info.registrationTime >> info.narSize;
if (format >= 16) {
source >> info.ultimate;
@@ -154,7 +155,9 @@ void ValidPathInfo::write(
sink << store.printStorePath(path);
sink << (deriver ? store.printStorePath(*deriver) : "")
<< narHash.to_string(Base16, false);
- WorkerProto::write(store, sink, references);
+ WorkerProto::write(store,
+ WorkerProto::WriteConn { .to = sink },
+ references);
sink << registrationTime << narSize;
if (format >= 16) {
sink << ultimate
diff --git a/src/libstore/remote-store-connection.hh b/src/libstore/remote-store-connection.hh
new file mode 100644
index 000000000..d32d91a60
--- /dev/null
+++ b/src/libstore/remote-store-connection.hh
@@ -0,0 +1,97 @@
+#include "remote-store.hh"
+#include "worker-protocol.hh"
+
+namespace nix {
+
+/**
+ * Bidirectional connection (send and receive) used by the Remote Store
+ * implementation.
+ *
+ * Contains `Source` and `Sink` for actual communication, along with
+ * other information learned when negotiating the connection.
+ */
+struct RemoteStore::Connection
+{
+ /**
+ * Send with this.
+ */
+ FdSink to;
+
+ /**
+ * Receive with this.
+ */
+ FdSource from;
+
+ /**
+ * Worker protocol version used for the connection.
+ *
+ * Despite its name, I think it is actually the maximum version both
+ * sides support. (If the maximum doesn't exist, we would fail to
+ * establish a connection and produce a value of this type.)
+ */
+ unsigned int daemonVersion;
+
+ /**
+ * Whether the remote side trusts us or not.
+ *
+ * 3 values: "yes", "no", or `std::nullopt` for "unknown".
+ *
+ * Note that the "remote side" might not be just the end daemon, but
+ * also an intermediary forwarder that can make its own trusting
+ * decisions. This would be the intersection of all their trust
+ * decisions, since it takes only one link in the chain to start
+ * denying operations.
+ */
+ std::optional<TrustedFlag> remoteTrustsUs;
+
+ /**
+ * The version of the Nix daemon that is processing our requests.
+ *
+ * Do note, it may or may not communicating with another daemon,
+ * rather than being an "end" `LocalStore` or similar.
+ */
+ std::optional<std::string> daemonNixVersion;
+
+ /**
+ * Time this connection was established.
+ */
+ std::chrono::time_point<std::chrono::steady_clock> startTime;
+
+ /**
+ * Coercion to `WorkerProto::ReadConn`. This makes it easy to use the
+ * factored out worker protocol searlizers with a
+ * `RemoteStore::Connection`.
+ *
+ * The worker protocol connection types are unidirectional, unlike
+ * this type.
+ */
+ operator WorkerProto::ReadConn ()
+ {
+ return WorkerProto::ReadConn {
+ .from = from,
+ };
+ }
+
+ /**
+ * Coercion to `WorkerProto::WriteConn`. This makes it easy to use the
+ * factored out worker protocol searlizers with a
+ * `RemoteStore::Connection`.
+ *
+ * The worker protocol connection types are unidirectional, unlike
+ * this type.
+ */
+ operator WorkerProto::WriteConn ()
+ {
+ return WorkerProto::WriteConn {
+ .to = to,
+ };
+ }
+
+ virtual ~Connection();
+
+ virtual void closeWrite() = 0;
+
+ std::exception_ptr processStderr(Sink * sink = 0, Source * source = 0, bool flush = true);
+};
+
+}
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 9253ce09e..1e2104e1f 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -5,6 +5,7 @@
#include "remote-fs-accessor.hh"
#include "build-result.hh"
#include "remote-store.hh"
+#include "remote-store-connection.hh"
#include "worker-protocol.hh"
#include "worker-protocol-impl.hh"
#include "archive.hh"
@@ -101,7 +102,7 @@ void RemoteStore::initConnection(Connection & conn)
}
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 35) {
- conn.remoteTrustsUs = WorkerProto::Serialise<std::optional<TrustedFlag>>::read(*this, conn.from);
+ conn.remoteTrustsUs = WorkerProto::Serialise<std::optional<TrustedFlag>>::read(*this, conn);
} else {
// We don't know the answer; protocol to old.
conn.remoteTrustsUs = std::nullopt;
@@ -185,6 +186,7 @@ struct ConnectionHandle
}
RemoteStore::Connection * operator -> () { return &*handle; }
+ RemoteStore::Connection & operator * () { return *handle; }
void processStderr(Sink * sink = 0, Source * source = 0, bool flush = true)
{
@@ -228,12 +230,12 @@ StorePathSet RemoteStore::queryValidPaths(const StorePathSet & paths, Substitute
return res;
} else {
conn->to << WorkerProto::Op::QueryValidPaths;
- WorkerProto::write(*this, conn->to, paths);
+ WorkerProto::write(*this, *conn, paths);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 27) {
conn->to << (settings.buildersUseSubstitutes ? 1 : 0);
}
conn.processStderr();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
}
@@ -243,7 +245,7 @@ StorePathSet RemoteStore::queryAllValidPaths()
auto conn(getConnection());
conn->to << WorkerProto::Op::QueryAllValidPaths;
conn.processStderr();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
@@ -260,9 +262,9 @@ StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
return res;
} else {
conn->to << WorkerProto::Op::QuerySubstitutablePaths;
- WorkerProto::write(*this, conn->to, paths);
+ WorkerProto::write(*this, *conn, paths);
conn.processStderr();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
}
@@ -284,7 +286,7 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
auto deriver = readString(conn->from);
if (deriver != "")
info.deriver = parseStorePath(deriver);
- info.references = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ info.references = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
infos.insert_or_assign(i.first, std::move(info));
@@ -297,9 +299,9 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
StorePathSet paths;
for (auto & path : pathsMap)
paths.insert(path.first);
- WorkerProto::write(*this, conn->to, paths);
+ WorkerProto::write(*this, *conn, paths);
} else
- WorkerProto::write(*this, conn->to, pathsMap);
+ WorkerProto::write(*this, *conn, pathsMap);
conn.processStderr();
size_t count = readNum<size_t>(conn->from);
for (size_t n = 0; n < count; n++) {
@@ -307,7 +309,7 @@ void RemoteStore::querySubstitutablePathInfos(const StorePathCAMap & pathsMap, S
auto deriver = readString(conn->from);
if (deriver != "")
info.deriver = parseStorePath(deriver);
- info.references = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ info.references = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
info.downloadSize = readLongLong(conn->from);
info.narSize = readLongLong(conn->from);
}
@@ -350,7 +352,7 @@ void RemoteStore::queryReferrers(const StorePath & path,
auto conn(getConnection());
conn->to << WorkerProto::Op::QueryReferrers << printStorePath(path);
conn.processStderr();
- for (auto & i : WorkerProto::Serialise<StorePathSet>::read(*this, conn->from))
+ for (auto & i : WorkerProto::Serialise<StorePathSet>::read(*this, *conn))
referrers.insert(i);
}
@@ -360,7 +362,7 @@ StorePathSet RemoteStore::queryValidDerivers(const StorePath & path)
auto conn(getConnection());
conn->to << WorkerProto::Op::QueryValidDerivers << printStorePath(path);
conn.processStderr();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
@@ -372,7 +374,7 @@ StorePathSet RemoteStore::queryDerivationOutputs(const StorePath & path)
auto conn(getConnection());
conn->to << WorkerProto::Op::QueryDerivationOutputs << printStorePath(path);
conn.processStderr();
- return WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ return WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
}
@@ -382,7 +384,7 @@ std::map<std::string, std::optional<StorePath>> RemoteStore::queryPartialDerivat
auto conn(getConnection());
conn->to << WorkerProto::Op::QueryDerivationOutputMap << printStorePath(path);
conn.processStderr();
- return WorkerProto::Serialise<std::map<std::string, std::optional<StorePath>>>::read(*this, conn->from);
+ return WorkerProto::Serialise<std::map<std::string, std::optional<StorePath>>>::read(*this, *conn);
} else {
// Fallback for old daemon versions.
// For floating-CA derivations (and their co-dependencies) this is an
@@ -428,7 +430,7 @@ ref<const ValidPathInfo> RemoteStore::addCAToStore(
<< WorkerProto::Op::AddToStore
<< name
<< caMethod.render(hashType);
- WorkerProto::write(*this, conn->to, references);
+ WorkerProto::write(*this, *conn, references);
conn->to << repair;
// The dump source may invoke the store, so we need to make some room.
@@ -453,7 +455,7 @@ ref<const ValidPathInfo> RemoteStore::addCAToStore(
name, printHashType(hashType));
std::string s = dump.drain();
conn->to << WorkerProto::Op::AddTextToStore << name << s;
- WorkerProto::write(*this, conn->to, references);
+ WorkerProto::write(*this, *conn, references);
conn.processStderr();
},
[&](const FileIngestionMethod & fim) -> void {
@@ -519,7 +521,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
sink
<< exportMagic
<< printStorePath(info.path);
- WorkerProto::write(*this, sink, info.references);
+ WorkerProto::write(*this, *conn, info.references);
sink
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< 0 // == no legacy signature
@@ -529,7 +531,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
conn.processStderr(0, source2.get());
- auto importedPaths = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ auto importedPaths = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
assert(importedPaths.size() <= 1);
}
@@ -538,7 +540,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
<< printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false);
- WorkerProto::write(*this, conn->to, info.references);
+ WorkerProto::write(*this, *conn, info.references);
conn->to << info.registrationTime << info.narSize
<< info.ultimate << info.sigs << renderContentAddress(info.ca)
<< repair << !checkSigs;
@@ -611,7 +613,7 @@ void RemoteStore::registerDrvOutput(const Realisation & info)
conn->to << info.id.to_string();
conn->to << std::string(info.outPath.to_string());
} else {
- WorkerProto::write(*this, conn->to, info);
+ WorkerProto::write(*this, *conn, info);
}
conn.processStderr();
}
@@ -634,13 +636,13 @@ void RemoteStore::queryRealisationUncached(const DrvOutput & id,
auto real = [&]() -> std::shared_ptr<const Realisation> {
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 31) {
auto outPaths = WorkerProto::Serialise<std::set<StorePath>>::read(
- *this, conn->from);
+ *this, *conn);
if (outPaths.empty())
return nullptr;
return std::make_shared<const Realisation>(Realisation { .id = id, .outPath = *outPaths.begin() });
} else {
auto realisations = WorkerProto::Serialise<std::set<Realisation>>::read(
- *this, conn->from);
+ *this, *conn);
if (realisations.empty())
return nullptr;
return std::make_shared<const Realisation>(*realisations.begin());
@@ -651,10 +653,10 @@ void RemoteStore::queryRealisationUncached(const DrvOutput & id,
} catch (...) { return callback.rethrow(); }
}
-static void writeDerivedPaths(RemoteStore & store, ConnectionHandle & conn, const std::vector<DerivedPath> & reqs)
+static void writeDerivedPaths(RemoteStore & store, RemoteStore::Connection & conn, const std::vector<DerivedPath> & reqs)
{
- if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 30) {
- WorkerProto::write(store, conn->to, reqs);
+ if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 30) {
+ WorkerProto::write(store, conn, reqs);
} else {
Strings ss;
for (auto & p : reqs) {
@@ -666,12 +668,12 @@ static void writeDerivedPaths(RemoteStore & store, ConnectionHandle & conn, cons
[&](const StorePath & drvPath) {
throw Error("trying to request '%s', but daemon protocol %d.%d is too old (< 1.29) to request a derivation file",
store.printStorePath(drvPath),
- GET_PROTOCOL_MAJOR(conn->daemonVersion),
- GET_PROTOCOL_MINOR(conn->daemonVersion));
+ GET_PROTOCOL_MAJOR(conn.daemonVersion),
+ GET_PROTOCOL_MINOR(conn.daemonVersion));
},
}, sOrDrvPath);
}
- conn->to << ss;
+ conn.to << ss;
}
}
@@ -697,7 +699,7 @@ void RemoteStore::buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMod
auto conn(getConnection());
conn->to << WorkerProto::Op::BuildPaths;
assert(GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13);
- writeDerivedPaths(*this, conn, drvPaths);
+ writeDerivedPaths(*this, *conn, drvPaths);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15)
conn->to << buildMode;
else
@@ -721,10 +723,10 @@ std::vector<KeyedBuildResult> RemoteStore::buildPathsWithResults(
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 34) {
conn->to << WorkerProto::Op::BuildPathsWithResults;
- writeDerivedPaths(*this, conn, paths);
+ writeDerivedPaths(*this, *conn, paths);
conn->to << buildMode;
conn.processStderr();
- return WorkerProto::Serialise<std::vector<KeyedBuildResult>>::read(*this, conn->from);
+ return WorkerProto::Serialise<std::vector<KeyedBuildResult>>::read(*this, *conn);
} else {
// Avoid deadlock.
conn_.reset();
@@ -807,7 +809,7 @@ BuildResult RemoteStore::buildDerivation(const StorePath & drvPath, const BasicD
conn->from >> res.timesBuilt >> res.isNonDeterministic >> res.startTime >> res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 28) {
- auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(*this, conn->from);
+ auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(*this, *conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
@@ -866,7 +868,7 @@ void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results)
conn->to
<< WorkerProto::Op::CollectGarbage << options.action;
- WorkerProto::write(*this, conn->to, options.pathsToDelete);
+ WorkerProto::write(*this, *conn, options.pathsToDelete);
conn->to << options.ignoreLiveness
<< options.maxFreed
/* removed options */
@@ -923,11 +925,11 @@ void RemoteStore::queryMissing(const std::vector<DerivedPath> & targets,
// to prevent a deadlock.
goto fallback;
conn->to << WorkerProto::Op::QueryMissing;
- writeDerivedPaths(*this, conn, targets);
+ writeDerivedPaths(*this, *conn, targets);
conn.processStderr();
- willBuild = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
- willSubstitute = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
- unknown = WorkerProto::Serialise<StorePathSet>::read(*this, conn->from);
+ willBuild = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
+ willSubstitute = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
+ unknown = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
conn->from >> downloadSize >> narSize;
return;
}
diff --git a/src/libstore/remote-store.hh b/src/libstore/remote-store.hh
index 4f3971bfd..cb7a71acf 100644
--- a/src/libstore/remote-store.hh
+++ b/src/libstore/remote-store.hh
@@ -166,21 +166,7 @@ public:
void flushBadConnections();
- struct Connection
- {
- FdSink to;
- FdSource from;
- unsigned int daemonVersion;
- std::optional<TrustedFlag> remoteTrustsUs;
- std::optional<std::string> daemonNixVersion;
- std::chrono::time_point<std::chrono::steady_clock> startTime;
-
- virtual ~Connection();
-
- virtual void closeWrite() = 0;
-
- std::exception_ptr processStderr(Sink * sink = 0, Source * source = 0, bool flush = true);
- };
+ struct Connection;
ref<Connection> openConnectionWrapper();
diff --git a/src/libstore/ssh-store.cc b/src/libstore/ssh-store.cc
index 962221ad2..0200076c0 100644
--- a/src/libstore/ssh-store.cc
+++ b/src/libstore/ssh-store.cc
@@ -1,6 +1,7 @@
#include "ssh-store-config.hh"
#include "store-api.hh"
#include "remote-store.hh"
+#include "remote-store-connection.hh"
#include "remote-fs-accessor.hh"
#include "archive.hh"
#include "worker-protocol.hh"
diff --git a/src/libstore/uds-remote-store.hh b/src/libstore/uds-remote-store.hh
index 3bbab371c..2bd6517fa 100644
--- a/src/libstore/uds-remote-store.hh
+++ b/src/libstore/uds-remote-store.hh
@@ -2,6 +2,7 @@
///@file
#include "remote-store.hh"
+#include "remote-store-connection.hh"
#include "local-fs-store.hh"
namespace nix {
diff --git a/src/libstore/worker-protocol-impl.hh b/src/libstore/worker-protocol-impl.hh
index f34e55c54..d3d2792ff 100644
--- a/src/libstore/worker-protocol-impl.hh
+++ b/src/libstore/worker-protocol-impl.hh
@@ -13,65 +13,65 @@
namespace nix {
template<typename T>
-std::vector<T> WorkerProto::Serialise<std::vector<T>>::read(const Store & store, Source & from)
+std::vector<T> WorkerProto::Serialise<std::vector<T>>::read(const Store & store, WorkerProto::ReadConn conn)
{
std::vector<T> resSet;
- auto size = readNum<size_t>(from);
+ auto size = readNum<size_t>(conn.from);
while (size--) {
- resSet.push_back(WorkerProto::Serialise<T>::read(store, from));
+ resSet.push_back(WorkerProto::Serialise<T>::read(store, conn));
}
return resSet;
}
template<typename T>
-void WorkerProto::Serialise<std::vector<T>>::write(const Store & store, Sink & out, const std::vector<T> & resSet)
+void WorkerProto::Serialise<std::vector<T>>::write(const Store & store, WorkerProto::WriteConn conn, const std::vector<T> & resSet)
{
- out << resSet.size();
+ conn.to << resSet.size();
for (auto & key : resSet) {
- WorkerProto::Serialise<T>::write(store, out, key);
+ WorkerProto::Serialise<T>::write(store, conn, key);
}
}
template<typename T>
-std::set<T> WorkerProto::Serialise<std::set<T>>::read(const Store & store, Source & from)
+std::set<T> WorkerProto::Serialise<std::set<T>>::read(const Store & store, WorkerProto::ReadConn conn)
{
std::set<T> resSet;
- auto size = readNum<size_t>(from);
+ auto size = readNum<size_t>(conn.from);
while (size--) {
- resSet.insert(WorkerProto::Serialise<T>::read(store, from));
+ resSet.insert(WorkerProto::Serialise<T>::read(store, conn));
}
return resSet;
}
template<typename T>
-void WorkerProto::Serialise<std::set<T>>::write(const Store & store, Sink & out, const std::set<T> & resSet)
+void WorkerProto::Serialise<std::set<T>>::write(const Store & store, WorkerProto::WriteConn conn, const std::set<T> & resSet)
{
- out << resSet.size();
+ conn.to << resSet.size();
for (auto & key : resSet) {
- WorkerProto::Serialise<T>::write(store, out, key);
+ WorkerProto::Serialise<T>::write(store, conn, key);
}
}
template<typename K, typename V>
-std::map<K, V> WorkerProto::Serialise<std::map<K, V>>::read(const Store & store, Source & from)
+std::map<K, V> WorkerProto::Serialise<std::map<K, V>>::read(const Store & store, WorkerProto::ReadConn conn)
{
std::map<K, V> resMap;
- auto size = readNum<size_t>(from);
+ auto size = readNum<size_t>(conn.from);
while (size--) {
- auto k = WorkerProto::Serialise<K>::read(store, from);
- auto v = WorkerProto::Serialise<V>::read(store, from);
+ auto k = WorkerProto::Serialise<K>::read(store, conn);
+ auto v = WorkerProto::Serialise<V>::read(store, conn);
resMap.insert_or_assign(std::move(k), std::move(v));
}
return resMap;
}
template<typename K, typename V>
-void WorkerProto::Serialise<std::map<K, V>>::write(const Store & store, Sink & out, const std::map<K, V> & resMap)
+void WorkerProto::Serialise<std::map<K, V>>::write(const Store & store, WorkerProto::WriteConn conn, const std::map<K, V> & resMap)
{
- out << resMap.size();
+ conn.to << resMap.size();
for (auto & i : resMap) {
- WorkerProto::Serialise<K>::write(store, out, i.first);
- WorkerProto::Serialise<V>::write(store, out, i.second);
+ WorkerProto::Serialise<K>::write(store, conn, i.first);
+ WorkerProto::Serialise<V>::write(store, conn, i.second);
}
}
diff --git a/src/libstore/worker-protocol.cc b/src/libstore/worker-protocol.cc
index 0bf9e4d68..a23130743 100644
--- a/src/libstore/worker-protocol.cc
+++ b/src/libstore/worker-protocol.cc
@@ -12,31 +12,31 @@
namespace nix {
-std::string WorkerProto::Serialise<std::string>::read(const Store & store, Source & from)
+std::string WorkerProto::Serialise<std::string>::read(const Store & store, WorkerProto::ReadConn conn)
{
- return readString(from);
+ return readString(conn.from);
}
-void WorkerProto::Serialise<std::string>::write(const Store & store, Sink & out, const std::string & str)
+void WorkerProto::Serialise<std::string>::write(const Store & store, WorkerProto::WriteConn conn, const std::string & str)
{
- out << str;
+ conn.to << str;
}
-StorePath WorkerProto::Serialise<StorePath>::read(const Store & store, Source & from)
+StorePath WorkerProto::Serialise<StorePath>::read(const Store & store, WorkerProto::ReadConn conn)
{
- return store.parseStorePath(readString(from));
+ return store.parseStorePath(readString(conn.from));
}
-void WorkerProto::Serialise<StorePath>::write(const Store & store, Sink & out, const StorePath & storePath)
+void WorkerProto::Serialise<StorePath>::write(const Store & store, WorkerProto::WriteConn conn, const StorePath & storePath)
{
- out << store.printStorePath(storePath);
+ conn.to << store.printStorePath(storePath);
}
-std::optional<TrustedFlag> WorkerProto::Serialise<std::optional<TrustedFlag>>::read(const Store & store, Source & from)
+std::optional<TrustedFlag> WorkerProto::Serialise<std::optional<TrustedFlag>>::read(const Store & store, WorkerProto::ReadConn conn)
{
- auto temp = readNum<uint8_t>(from);
+ auto temp = readNum<uint8_t>(conn.from);
switch (temp) {
case 0:
return std::nullopt;
@@ -49,17 +49,17 @@ std::optional<TrustedFlag> WorkerProto::Serialise<std::optional<TrustedFlag>>::r
}
}
-void WorkerProto::Serialise<std::optional<TrustedFlag>>::write(const Store & store, Sink & out, const std::optional<TrustedFlag> & optTrusted)
+void WorkerProto::Serialise<std::optional<TrustedFlag>>::write(const Store & store, WorkerProto::WriteConn conn, const std::optional<TrustedFlag> & optTrusted)
{
if (!optTrusted)
- out << (uint8_t)0;
+ conn.to << (uint8_t)0;
else {
switch (*optTrusted) {
case Trusted:
- out << (uint8_t)1;
+ conn.to << (uint8_t)1;
break;
case NotTrusted:
- out << (uint8_t)2;
+ conn.to << (uint8_t)2;
break;
default:
assert(false);
@@ -68,83 +68,83 @@ void WorkerProto::Serialise<std::optional<TrustedFlag>>::write(const Store & sto
}
-ContentAddress WorkerProto::Serialise<ContentAddress>::read(const Store & store, Source & from)
+ContentAddress WorkerProto::Serialise<ContentAddress>::read(const Store & store, WorkerProto::ReadConn conn)
{
- return ContentAddress::parse(readString(from));
+ return ContentAddress::parse(readString(conn.from));
}
-void WorkerProto::Serialise<ContentAddress>::write(const Store & store, Sink & out, const ContentAddress & ca)
+void WorkerProto::Serialise<ContentAddress>::write(const Store & store, WorkerProto::WriteConn conn, const ContentAddress & ca)
{
- out << renderContentAddress(ca);
+ conn.to << renderContentAddress(ca);
}
-DerivedPath WorkerProto::Serialise<DerivedPath>::read(const Store & store, Source & from)
+DerivedPath WorkerProto::Serialise<DerivedPath>::read(const Store & store, WorkerProto::ReadConn conn)
{
- auto s = readString(from);
+ auto s = readString(conn.from);
return DerivedPath::parseLegacy(store, s);
}
-void WorkerProto::Serialise<DerivedPath>::write(const Store & store, Sink & out, const DerivedPath & req)
+void WorkerProto::Serialise<DerivedPath>::write(const Store & store, WorkerProto::WriteConn conn, const DerivedPath & req)
{
- out << req.to_string_legacy(store);
+ conn.to << req.to_string_legacy(store);
}
-Realisation WorkerProto::Serialise<Realisation>::read(const Store & store, Source & from)
+Realisation WorkerProto::Serialise<Realisation>::read(const Store & store, WorkerProto::ReadConn conn)
{
- std::string rawInput = readString(from);
+ std::string rawInput = readString(conn.from);
return Realisation::fromJSON(
nlohmann::json::parse(rawInput),
"remote-protocol"
);
}
-void WorkerProto::Serialise<Realisation>::write(const Store & store, Sink & out, const Realisation & realisation)
+void WorkerProto::Serialise<Realisation>::write(const Store & store, WorkerProto::WriteConn conn, const Realisation & realisation)
{
- out << realisation.toJSON().dump();
+ conn.to << realisation.toJSON().dump();
}
-DrvOutput WorkerProto::Serialise<DrvOutput>::read(const Store & store, Source & from)
+DrvOutput WorkerProto::Serialise<DrvOutput>::read(const Store & store, WorkerProto::ReadConn conn)
{
- return DrvOutput::parse(readString(from));
+ return DrvOutput::parse(readString(conn.from));
}
-void WorkerProto::Serialise<DrvOutput>::write(const Store & store, Sink & out, const DrvOutput & drvOutput)
+void WorkerProto::Serialise<DrvOutput>::write(const Store & store, WorkerProto::WriteConn conn, const DrvOutput & drvOutput)
{
- out << drvOutput.to_string();
+ conn.to << drvOutput.to_string();
}
-KeyedBuildResult WorkerProto::Serialise<KeyedBuildResult>::read(const Store & store, Source & from)
+KeyedBuildResult WorkerProto::Serialise<KeyedBuildResult>::read(const Store & store, WorkerProto::ReadConn conn)
{
- auto path = WorkerProto::Serialise<DerivedPath>::read(store, from);
- auto br = WorkerProto::Serialise<BuildResult>::read(store, from);
+ auto path = WorkerProto::Serialise<DerivedPath>::read(store, conn);
+ auto br = WorkerProto::Serialise<BuildResult>::read(store, conn);
return KeyedBuildResult {
std::move(br),
/* .path = */ std::move(path),
};
}
-void WorkerProto::Serialise<KeyedBuildResult>::write(const Store & store, Sink & to, const KeyedBuildResult & res)
+void WorkerProto::Serialise<KeyedBuildResult>::write(const Store & store, WorkerProto::WriteConn conn, const KeyedBuildResult & res)
{
- WorkerProto::write(store, to, res.path);
- WorkerProto::write(store, to, static_cast<const BuildResult &>(res));
+ WorkerProto::write(store, conn, res.path);
+ WorkerProto::write(store, conn, static_cast<const BuildResult &>(res));
}
-BuildResult WorkerProto::Serialise<BuildResult>::read(const Store & store, Source & from)
+BuildResult WorkerProto::Serialise<BuildResult>::read(const Store & store, WorkerProto::ReadConn conn)
{
BuildResult res;
- res.status = (BuildResult::Status) readInt(from);
- from
+ res.status = (BuildResult::Status) readInt(conn.from);
+ conn.from
>> res.errorMsg
>> res.timesBuilt
>> res.isNonDeterministic
>> res.startTime
>> res.stopTime;
- auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(store, from);
+ auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(store, conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
@@ -152,9 +152,9 @@ BuildResult WorkerProto::Serialise<BuildResult>::read(const Store & store, Sourc
return res;
}
-void WorkerProto::Serialise<BuildResult>::write(const Store & store, Sink & to, const BuildResult & res)
+void WorkerProto::Serialise<BuildResult>::write(const Store & store, WorkerProto::WriteConn conn, const BuildResult & res)
{
- to
+ conn.to
<< res.status
<< res.errorMsg
<< res.timesBuilt
@@ -164,30 +164,30 @@ void WorkerProto::Serialise<BuildResult>::write(const Store & store, Sink & to,
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
- WorkerProto::write(store, to, builtOutputs);
+ WorkerProto::write(store, conn, builtOutputs);
}
-std::optional<StorePath> WorkerProto::Serialise<std::optional<StorePath>>::read(const Store & store, Source & from)
+std::optional<StorePath> WorkerProto::Serialise<std::optional<StorePath>>::read(const Store & store, WorkerProto::ReadConn conn)
{
- auto s = readString(from);
+ auto s = readString(conn.from);
return s == "" ? std::optional<StorePath> {} : store.parseStorePath(s);
}
-void WorkerProto::Serialise<std::optional<StorePath>>::write(const Store & store, Sink & out, const std::optional<StorePath> & storePathOpt)
+void WorkerProto::Serialise<std::optional<StorePath>>::write(const Store & store, WorkerProto::WriteConn conn, const std::optional<StorePath> & storePathOpt)
{
- out << (storePathOpt ? store.printStorePath(*storePathOpt) : "");
+ conn.to << (storePathOpt ? store.printStorePath(*storePathOpt) : "");
}
-std::optional<ContentAddress> WorkerProto::Serialise<std::optional<ContentAddress>>::read(const Store & store, Source & from)
+std::optional<ContentAddress> WorkerProto::Serialise<std::optional<ContentAddress>>::read(const Store & store, WorkerProto::ReadConn conn)
{
- return ContentAddress::parseOpt(readString(from));
+ return ContentAddress::parseOpt(readString(conn.from));
}
-void WorkerProto::Serialise<std::optional<ContentAddress>>::write(const Store & store, Sink & out, const std::optional<ContentAddress> & caOpt)
+void WorkerProto::Serialise<std::optional<ContentAddress>>::write(const Store & store, WorkerProto::WriteConn conn, const std::optional<ContentAddress> & caOpt)
{
- out << (caOpt ? renderContentAddress(*caOpt) : "");
+ conn.to << (caOpt ? renderContentAddress(*caOpt) : "");
}
}
diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh
index cd6801290..ff762c924 100644
--- a/src/libstore/worker-protocol.hh
+++ b/src/libstore/worker-protocol.hh
@@ -50,6 +50,28 @@ struct WorkerProto
enum struct Op : uint64_t;
/**
+ * A unidirectional read connection, to be used by the read half of the
+ * canonical serializers below.
+ *
+ * This currently is just a `Source &`, but more fields will be added
+ * later.
+ */
+ struct ReadConn {
+ Source & from;
+ };
+
+ /**
+ * A unidirectional write connection, to be used by the write half of the
+ * canonical serializers below.
+ *
+ * This currently is just a `Sink &`, but more fields will be added
+ * later.
+ */
+ struct WriteConn {
+ Sink & to;
+ };
+
+ /**
* Data type for canonical pairs of serialisers for the worker protocol.
*
* See https://en.cppreference.com/w/cpp/language/adl for the broader
@@ -75,8 +97,8 @@ struct WorkerProto
// This makes for a quicker debug cycle, as desired.
#if 0
{
- static T read(const Store & store, Source & from);
- static void write(const Store & store, Sink & out, const T & t);
+ static T read(const Store & store, ReadConn conn);
+ static void write(const Store & store, WriteConn conn, const T & t);
};
#endif
@@ -85,9 +107,9 @@ struct WorkerProto
* infer the type instead of having to write it down explicitly.
*/
template<typename T>
- static void write(const Store & store, Sink & out, const T & t)
+ static void write(const Store & store, WriteConn conn, const T & t)
{
- WorkerProto::Serialise<T>::write(store, out, t);
+ WorkerProto::Serialise<T>::write(store, conn, t);
}
};
@@ -171,8 +193,8 @@ inline std::ostream & operator << (std::ostream & s, WorkerProto::Op op)
*/
#define MAKE_WORKER_PROTO(T) \
struct WorkerProto::Serialise< T > { \
- static T read(const Store & store, Source & from); \
- static void write(const Store & store, Sink & out, const T & t); \
+ static T read(const Store & store, WorkerProto::ReadConn conn); \
+ static void write(const Store & store, WorkerProto::WriteConn conn, const T & t); \
};
template<>
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index 062c68ff8..caa0248f1 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -807,6 +807,9 @@ static void opServe(Strings opFlags, Strings opArgs)
out.flush();
unsigned int clientVersion = readInt(in);
+ WorkerProto::ReadConn rconn { .from = in };
+ WorkerProto::WriteConn wconn { .to = out };
+
auto getBuildSettings = [&]() {
// FIXME: changing options here doesn't work if we're
// building through the daemon.
@@ -850,7 +853,7 @@ static void opServe(Strings opFlags, Strings opArgs)
case ServeProto::Command::QueryValidPaths: {
bool lock = readInt(in);
bool substitute = readInt(in);
- auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, in);
+ auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
if (lock && writeAllowed)
for (auto & path : paths)
store->addTempRoot(path);
@@ -859,19 +862,19 @@ static void opServe(Strings opFlags, Strings opArgs)
store->substitutePaths(paths);
}
- WorkerProto::write(*store, out, store->queryValidPaths(paths));
+ WorkerProto::write(*store, wconn, store->queryValidPaths(paths));
break;
}
case ServeProto::Command::QueryPathInfos: {
- auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, in);
+ auto paths = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
// !!! Maybe we want a queryPathInfos?
for (auto & i : paths) {
try {
auto info = store->queryPathInfo(i);
out << store->printStorePath(info->path)
<< (info->deriver ? store->printStorePath(*info->deriver) : "");
- WorkerProto::write(*store, out, info->references);
+ WorkerProto::write(*store, wconn, info->references);
// !!! Maybe we want compression?
out << info->narSize // downloadSize
<< info->narSize;
@@ -899,7 +902,7 @@ static void opServe(Strings opFlags, Strings opArgs)
case ServeProto::Command::ExportPaths: {
readInt(in); // obsolete
- store->exportPaths(WorkerProto::Serialise<StorePathSet>::read(*store, in), out);
+ store->exportPaths(WorkerProto::Serialise<StorePathSet>::read(*store, rconn), out);
break;
}
@@ -945,7 +948,7 @@ static void opServe(Strings opFlags, Strings opArgs)
DrvOutputs builtOutputs;
for (auto & [output, realisation] : status.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
- WorkerProto::write(*store, out, builtOutputs);
+ WorkerProto::write(*store, wconn, builtOutputs);
}
break;
@@ -954,9 +957,9 @@ static void opServe(Strings opFlags, Strings opArgs)
case ServeProto::Command::QueryClosure: {
bool includeOutputs = readInt(in);
StorePathSet closure;
- store->computeFSClosure(WorkerProto::Serialise<StorePathSet>::read(*store, in),
+ store->computeFSClosure(WorkerProto::Serialise<StorePathSet>::read(*store, rconn),
closure, false, includeOutputs);
- WorkerProto::write(*store, out, closure);
+ WorkerProto::write(*store, wconn, closure);
break;
}
@@ -971,7 +974,7 @@ static void opServe(Strings opFlags, Strings opArgs)
};
if (deriver != "")
info.deriver = store->parseStorePath(deriver);
- info.references = WorkerProto::Serialise<StorePathSet>::read(*store, in);
+ info.references = WorkerProto::Serialise<StorePathSet>::read(*store, rconn);
in >> info.registrationTime >> info.narSize >> info.ultimate;
info.sigs = readStrings<StringSet>(in);
info.ca = ContentAddress::parseOpt(readString(in));
diff --git a/src/nix/daemon.cc b/src/nix/daemon.cc
index 9fe9b3b1e..8e2bcf7e1 100644
--- a/src/nix/daemon.cc
+++ b/src/nix/daemon.cc
@@ -4,6 +4,7 @@
#include "shared.hh"
#include "local-store.hh"
#include "remote-store.hh"
+#include "remote-store-connection.hh"
#include "util.hh"
#include "serialise.hh"
#include "archive.hh"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:43:55 +0000