mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-11 00:36:20 +02:00
829 lines
24 KiB
C++
829 lines
24 KiB
C++
#include "serialise.hh"
|
|
#include "util.hh"
|
|
#include "remote-store.hh"
|
|
#include "worker-protocol.hh"
|
|
#include "archive.hh"
|
|
#include "affinity.hh"
|
|
#include "globals.hh"
|
|
#include "derivations.hh"
|
|
#include "pool.hh"
|
|
#include "finally.hh"
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
#include <cstring>
|
|
|
|
namespace nix {
|
|
|
|
|
|
template<> StorePathSet readStorePaths(const Store & store, Source & from)
|
|
{
|
|
StorePathSet paths;
|
|
for (auto & i : readStrings<Strings>(from))
|
|
paths.insert(store.parseStorePath(i));
|
|
return paths;
|
|
}
|
|
|
|
|
|
void writeStorePaths(const Store & store, Sink & out, const StorePathSet & paths)
|
|
{
|
|
out << paths.size();
|
|
for (auto & i : paths)
|
|
out << store.printStorePath(i);
|
|
}
|
|
|
|
|
|
/* TODO: Separate these store impls into different files, give them better names */
|
|
RemoteStore::RemoteStore(const Params & params)
|
|
: Store(params)
|
|
, connections(make_ref<Pool<Connection>>(
|
|
std::max(1, (int) maxConnections),
|
|
[this]() { return openConnectionWrapper(); },
|
|
[this](const ref<Connection> & r) {
|
|
return
|
|
r->to.good()
|
|
&& r->from.good()
|
|
&& std::chrono::duration_cast<std::chrono::seconds>(
|
|
std::chrono::steady_clock::now() - r->startTime).count() < maxConnectionAge;
|
|
}
|
|
))
|
|
{
|
|
}
|
|
|
|
|
|
ref<RemoteStore::Connection> RemoteStore::openConnectionWrapper()
|
|
{
|
|
if (failed)
|
|
throw Error("opening a connection to remote store '%s' previously failed", getUri());
|
|
try {
|
|
return openConnection();
|
|
} catch (...) {
|
|
failed = true;
|
|
throw;
|
|
}
|
|
}
|
|
|
|
|
|
UDSRemoteStore::UDSRemoteStore(const Params & params)
|
|
: Store(params)
|
|
, LocalFSStore(params)
|
|
, RemoteStore(params)
|
|
{
|
|
}
|
|
|
|
|
|
UDSRemoteStore::UDSRemoteStore(std::string socket_path, const Params & params)
|
|
: Store(params)
|
|
, LocalFSStore(params)
|
|
, RemoteStore(params)
|
|
, path(socket_path)
|
|
{
|
|
}
|
|
|
|
|
|
std::string UDSRemoteStore::getUri()
|
|
{
|
|
if (path) {
|
|
return std::string("unix://") + *path;
|
|
} else {
|
|
return "daemon";
|
|
}
|
|
}
|
|
|
|
|
|
ref<RemoteStore::Connection> UDSRemoteStore::openConnection()
|
|
{
|
|
auto conn = make_ref<Connection>();
|
|
|
|
/* Connect to a daemon that does the privileged work for us. */
|
|
conn->fd = socket(PF_UNIX, SOCK_STREAM
|
|
#ifdef SOCK_CLOEXEC
|
|
| SOCK_CLOEXEC
|
|
#endif
|
|
, 0);
|
|
if (!conn->fd)
|
|
throw SysError("cannot create Unix domain socket");
|
|
closeOnExec(conn->fd.get());
|
|
|
|
string socketPath = path ? *path : settings.nixDaemonSocketFile;
|
|
|
|
struct sockaddr_un addr;
|
|
addr.sun_family = AF_UNIX;
|
|
if (socketPath.size() + 1 >= sizeof(addr.sun_path))
|
|
throw Error(format("socket path '%1%' is too long") % socketPath);
|
|
strcpy(addr.sun_path, socketPath.c_str());
|
|
|
|
if (::connect(conn->fd.get(), (struct sockaddr *) &addr, sizeof(addr)) == -1)
|
|
throw SysError(format("cannot connect to daemon at '%1%'") % socketPath);
|
|
|
|
conn->from.fd = conn->fd.get();
|
|
conn->to.fd = conn->fd.get();
|
|
|
|
conn->startTime = std::chrono::steady_clock::now();
|
|
|
|
initConnection(*conn);
|
|
|
|
return conn;
|
|
}
|
|
|
|
|
|
void RemoteStore::initConnection(Connection & conn)
|
|
{
|
|
/* Send the magic greeting, check for the reply. */
|
|
try {
|
|
conn.to << WORKER_MAGIC_1;
|
|
conn.to.flush();
|
|
unsigned int magic = readInt(conn.from);
|
|
if (magic != WORKER_MAGIC_2) throw Error("protocol mismatch");
|
|
|
|
conn.from >> conn.daemonVersion;
|
|
if (GET_PROTOCOL_MAJOR(conn.daemonVersion) != GET_PROTOCOL_MAJOR(PROTOCOL_VERSION))
|
|
throw Error("Nix daemon protocol version not supported");
|
|
if (GET_PROTOCOL_MINOR(conn.daemonVersion) < 10)
|
|
throw Error("the Nix daemon version is too old");
|
|
conn.to << PROTOCOL_VERSION;
|
|
|
|
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 14) {
|
|
int cpu = sameMachine() && settings.lockCPU ? lockToCurrentCPU() : -1;
|
|
if (cpu != -1)
|
|
conn.to << 1 << cpu;
|
|
else
|
|
conn.to << 0;
|
|
}
|
|
|
|
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 11)
|
|
conn.to << false;
|
|
|
|
auto ex = conn.processStderr();
|
|
if (ex) std::rethrow_exception(ex);
|
|
}
|
|
catch (Error & e) {
|
|
throw Error("cannot open connection to remote store '%s': %s", getUri(), e.what());
|
|
}
|
|
|
|
setOptions(conn);
|
|
}
|
|
|
|
|
|
void RemoteStore::setOptions(Connection & conn)
|
|
{
|
|
conn.to << wopSetOptions
|
|
<< settings.keepFailed
|
|
<< settings.keepGoing
|
|
<< settings.tryFallback
|
|
<< (uint64_t) verbosity
|
|
<< settings.maxBuildJobs
|
|
<< settings.maxSilentTime
|
|
<< true
|
|
<< (uint64_t) (settings.verboseBuild ? Verbosity::Error : Verbosity::Vomit)
|
|
<< 0 // obsolete log type
|
|
<< 0 /* obsolete print build trace */
|
|
<< settings.buildCores
|
|
<< settings.useSubstitutes;
|
|
|
|
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 12) {
|
|
std::map<std::string, Config::SettingInfo> overrides;
|
|
globalConfig.getSettings(overrides, true);
|
|
overrides.erase(settings.keepFailed.name);
|
|
overrides.erase(settings.keepGoing.name);
|
|
overrides.erase(settings.tryFallback.name);
|
|
overrides.erase(settings.maxBuildJobs.name);
|
|
overrides.erase(settings.maxSilentTime.name);
|
|
overrides.erase(settings.buildCores.name);
|
|
overrides.erase(settings.useSubstitutes.name);
|
|
overrides.erase(settings.showTrace.name);
|
|
conn.to << overrides.size();
|
|
for (auto & i : overrides)
|
|
conn.to << i.first << i.second.value;
|
|
}
|
|
|
|
auto ex = conn.processStderr();
|
|
if (ex) std::rethrow_exception(ex);
|
|
}
|
|
|
|
|
|
/* A wrapper around Pool<RemoteStore::Connection>::Handle that marks
|
|
the connection as bad (causing it to be closed) if a non-daemon
|
|
exception is thrown before the handle is closed. Such an exception
|
|
causes a deviation from the expected protocol and therefore a
|
|
desynchronization between the client and daemon. */
|
|
struct ConnectionHandle
|
|
{
|
|
Pool<RemoteStore::Connection>::Handle handle;
|
|
bool daemonException = false;
|
|
|
|
ConnectionHandle(Pool<RemoteStore::Connection>::Handle && handle)
|
|
: handle(std::move(handle))
|
|
{ }
|
|
|
|
ConnectionHandle(ConnectionHandle && h)
|
|
: handle(std::move(h.handle))
|
|
{ }
|
|
|
|
~ConnectionHandle()
|
|
{
|
|
if (!daemonException && std::uncaught_exception()) {
|
|
handle.markBad();
|
|
debug("closing daemon connection because of an exception");
|
|
}
|
|
}
|
|
|
|
RemoteStore::Connection * operator -> () { return &*handle; }
|
|
|
|
void processStderr(Sink * sink = 0, Source * source = 0)
|
|
{
|
|
auto ex = handle->processStderr(sink, source);
|
|
if (ex) {
|
|
daemonException = true;
|
|
std::rethrow_exception(ex);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
ConnectionHandle RemoteStore::getConnection()
|
|
{
|
|
return ConnectionHandle(connections->get());
|
|
}
|
|
|
|
|
|
bool RemoteStore::isValidPathUncached(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopIsValidPath << printStorePath(path);
|
|
conn.processStderr();
|
|
return readInt(conn->from);
|
|
}
|
|
|
|
|
|
StorePathSet RemoteStore::queryValidPaths(const StorePathSet & paths, SubstituteFlag maybeSubstitute)
|
|
{
|
|
auto conn(getConnection());
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) {
|
|
StorePathSet res;
|
|
for (auto & i : paths)
|
|
if (isValidPath(i)) res.insert(i.clone());
|
|
return res;
|
|
} else {
|
|
conn->to << wopQueryValidPaths;
|
|
writeStorePaths(*this, conn->to, paths);
|
|
conn.processStderr();
|
|
return readStorePaths<StorePathSet>(*this, conn->from);
|
|
}
|
|
}
|
|
|
|
|
|
StorePathSet RemoteStore::queryAllValidPaths()
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryAllValidPaths;
|
|
conn.processStderr();
|
|
return readStorePaths<StorePathSet>(*this, conn->from);
|
|
}
|
|
|
|
|
|
StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
|
|
{
|
|
auto conn(getConnection());
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) {
|
|
StorePathSet res;
|
|
for (auto & i : paths) {
|
|
conn->to << wopHasSubstitutes << printStorePath(i);
|
|
conn.processStderr();
|
|
if (readInt(conn->from)) res.insert(i.clone());
|
|
}
|
|
return res;
|
|
} else {
|
|
conn->to << wopQuerySubstitutablePaths;
|
|
writeStorePaths(*this, conn->to, paths);
|
|
conn.processStderr();
|
|
return readStorePaths<StorePathSet>(*this, conn->from);
|
|
}
|
|
}
|
|
|
|
|
|
void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
|
|
SubstitutablePathInfos & infos)
|
|
{
|
|
if (paths.empty()) return;
|
|
|
|
auto conn(getConnection());
|
|
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) {
|
|
|
|
for (auto & i : paths) {
|
|
SubstitutablePathInfo info;
|
|
conn->to << wopQuerySubstitutablePathInfo << printStorePath(i);
|
|
conn.processStderr();
|
|
unsigned int reply = readInt(conn->from);
|
|
if (reply == 0) continue;
|
|
auto deriver = readString(conn->from);
|
|
if (deriver != "")
|
|
info.deriver = parseStorePath(deriver);
|
|
info.references = readStorePaths<StorePathSet>(*this, conn->from);
|
|
info.downloadSize = readLongLong(conn->from);
|
|
info.narSize = readLongLong(conn->from);
|
|
infos.insert_or_assign(i.clone(), std::move(info));
|
|
}
|
|
|
|
} else {
|
|
|
|
conn->to << wopQuerySubstitutablePathInfos;
|
|
writeStorePaths(*this, conn->to, paths);
|
|
conn.processStderr();
|
|
size_t count = readNum<size_t>(conn->from);
|
|
for (size_t n = 0; n < count; n++) {
|
|
SubstitutablePathInfo & info(infos[parseStorePath(readString(conn->from))]);
|
|
auto deriver = readString(conn->from);
|
|
if (deriver != "")
|
|
info.deriver = parseStorePath(deriver);
|
|
info.references = readStorePaths<StorePathSet>(*this, conn->from);
|
|
info.downloadSize = readLongLong(conn->from);
|
|
info.narSize = readLongLong(conn->from);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
void RemoteStore::queryPathInfoUncached(const StorePath & path,
|
|
Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept
|
|
{
|
|
try {
|
|
std::shared_ptr<ValidPathInfo> info;
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryPathInfo << printStorePath(path);
|
|
try {
|
|
conn.processStderr();
|
|
} catch (Error & e) {
|
|
// Ugly backwards compatibility hack.
|
|
if (e.msg().find("is not valid") != std::string::npos)
|
|
throw InvalidPath(e.what());
|
|
throw;
|
|
}
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 17) {
|
|
bool valid; conn->from >> valid;
|
|
if (!valid) throw InvalidPath("path '%s' is not valid", printStorePath(path));
|
|
}
|
|
info = std::make_shared<ValidPathInfo>(path.clone());
|
|
auto deriver = readString(conn->from);
|
|
if (deriver != "") info->deriver = parseStorePath(deriver);
|
|
info->narHash = Hash(readString(conn->from), HashType::SHA256);
|
|
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);
|
|
conn->from >> info->ca;
|
|
}
|
|
}
|
|
callback(std::move(info));
|
|
} catch (...) { callback.rethrow(); }
|
|
}
|
|
|
|
|
|
void RemoteStore::queryReferrers(const StorePath & path,
|
|
StorePathSet & referrers)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryReferrers << printStorePath(path);
|
|
conn.processStderr();
|
|
for (auto & i : readStorePaths<StorePathSet>(*this, conn->from))
|
|
referrers.insert(i.clone());
|
|
}
|
|
|
|
|
|
StorePathSet RemoteStore::queryValidDerivers(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryValidDerivers << printStorePath(path);
|
|
conn.processStderr();
|
|
return readStorePaths<StorePathSet>(*this, conn->from);
|
|
}
|
|
|
|
|
|
StorePathSet RemoteStore::queryDerivationOutputs(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryDerivationOutputs << printStorePath(path);
|
|
conn.processStderr();
|
|
return readStorePaths<StorePathSet>(*this, conn->from);
|
|
}
|
|
|
|
|
|
PathSet RemoteStore::queryDerivationOutputNames(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryDerivationOutputNames << printStorePath(path);
|
|
conn.processStderr();
|
|
return readStrings<PathSet>(conn->from);
|
|
}
|
|
|
|
|
|
std::optional<StorePath> RemoteStore::queryPathFromHashPart(const std::string & hashPart)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopQueryPathFromHashPart << hashPart;
|
|
conn.processStderr();
|
|
Path path = readString(conn->from);
|
|
if (path.empty()) return {};
|
|
return parseStorePath(path);
|
|
}
|
|
|
|
|
|
void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
|
|
RepairFlag repair, CheckSigsFlag checkSigs, std::shared_ptr<FSAccessor> accessor)
|
|
{
|
|
auto conn(getConnection());
|
|
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 18) {
|
|
conn->to << wopImportPaths;
|
|
|
|
auto source2 = sinkToSource([&](Sink & sink) {
|
|
sink << 1 // == path follows
|
|
;
|
|
copyNAR(source, sink);
|
|
sink
|
|
<< exportMagic
|
|
<< printStorePath(info.path);
|
|
writeStorePaths(*this, sink, info.references);
|
|
sink
|
|
<< (info.deriver ? printStorePath(*info.deriver) : "")
|
|
<< 0 // == no legacy signature
|
|
<< 0 // == no path follows
|
|
;
|
|
});
|
|
|
|
conn.processStderr(0, source2.get());
|
|
|
|
auto importedPaths = readStorePaths<StorePathSet>(*this, conn->from);
|
|
assert(importedPaths.size() <= 1);
|
|
}
|
|
|
|
else {
|
|
conn->to << wopAddToStoreNar
|
|
<< printStorePath(info.path)
|
|
<< (info.deriver ? printStorePath(*info.deriver) : "")
|
|
<< info.narHash.to_string(Base::Base16, false);
|
|
writeStorePaths(*this, conn->to, info.references);
|
|
conn->to << info.registrationTime << info.narSize
|
|
<< info.ultimate << info.sigs << info.ca
|
|
<< repair << !checkSigs;
|
|
bool tunnel = GET_PROTOCOL_MINOR(conn->daemonVersion) >= 21;
|
|
if (!tunnel) copyNAR(source, conn->to);
|
|
conn.processStderr(0, tunnel ? &source : nullptr);
|
|
}
|
|
}
|
|
|
|
|
|
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 == HashType::SHA256 && 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));
|
|
}
|
|
|
|
|
|
void RemoteStore::buildPaths(const std::vector<StorePathWithOutputs> & drvPaths, BuildMode buildMode)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopBuildPaths;
|
|
assert(GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13);
|
|
Strings ss;
|
|
for (auto & p : drvPaths)
|
|
ss.push_back(p.to_string(*this));
|
|
conn->to << ss;
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15)
|
|
conn->to << buildMode;
|
|
else
|
|
/* Old daemons did not take a 'buildMode' parameter, so we
|
|
need to validate it here on the client side. */
|
|
if (buildMode != bmNormal)
|
|
throw Error("repairing or checking is not supported when building through the Nix daemon");
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
BuildResult RemoteStore::buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
|
|
BuildMode buildMode)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopBuildDerivation << printStorePath(drvPath);
|
|
writeDerivation(conn->to, *this, drv);
|
|
conn->to << buildMode;
|
|
conn.processStderr();
|
|
BuildResult res;
|
|
unsigned int status;
|
|
conn->from >> status >> res.errorMsg;
|
|
res.status = (BuildResult::Status) status;
|
|
return res;
|
|
}
|
|
|
|
|
|
void RemoteStore::ensurePath(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopEnsurePath << printStorePath(path);
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
void RemoteStore::addTempRoot(const StorePath & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopAddTempRoot << printStorePath(path);
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
void RemoteStore::addIndirectRoot(const Path & path)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopAddIndirectRoot << path;
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
void RemoteStore::syncWithGC()
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopSyncWithGC;
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
Roots RemoteStore::findRoots(bool censor)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopFindRoots;
|
|
conn.processStderr();
|
|
size_t count = readNum<size_t>(conn->from);
|
|
Roots result;
|
|
while (count--) {
|
|
Path link = readString(conn->from);
|
|
auto target = parseStorePath(readString(conn->from));
|
|
result[std::move(target)].emplace(link);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results)
|
|
{
|
|
auto conn(getConnection());
|
|
|
|
conn->to
|
|
<< wopCollectGarbage << options.action;
|
|
writeStorePaths(*this, conn->to, options.pathsToDelete);
|
|
conn->to << options.ignoreLiveness
|
|
<< options.maxFreed
|
|
/* removed options */
|
|
<< 0 << 0 << 0;
|
|
|
|
conn.processStderr();
|
|
|
|
results.paths = readStrings<PathSet>(conn->from);
|
|
results.bytesFreed = readLongLong(conn->from);
|
|
readLongLong(conn->from); // obsolete
|
|
|
|
{
|
|
auto state_(Store::state.lock());
|
|
state_->pathInfoCache.clear();
|
|
}
|
|
}
|
|
|
|
|
|
void RemoteStore::optimiseStore()
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopOptimiseStore;
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
bool RemoteStore::verifyStore(bool checkContents, RepairFlag repair)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopVerifyStore << checkContents << repair;
|
|
conn.processStderr();
|
|
return readInt(conn->from);
|
|
}
|
|
|
|
|
|
void RemoteStore::addSignatures(const StorePath & storePath, const StringSet & sigs)
|
|
{
|
|
auto conn(getConnection());
|
|
conn->to << wopAddSignatures << printStorePath(storePath) << sigs;
|
|
conn.processStderr();
|
|
readInt(conn->from);
|
|
}
|
|
|
|
|
|
void RemoteStore::queryMissing(const std::vector<StorePathWithOutputs> & targets,
|
|
StorePathSet & willBuild, StorePathSet & willSubstitute, StorePathSet & unknown,
|
|
unsigned long long & downloadSize, unsigned long long & narSize)
|
|
{
|
|
{
|
|
auto conn(getConnection());
|
|
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 19)
|
|
// Don't hold the connection handle in the fallback case
|
|
// to prevent a deadlock.
|
|
goto fallback;
|
|
conn->to << wopQueryMissing;
|
|
Strings ss;
|
|
for (auto & p : targets)
|
|
ss.push_back(p.to_string(*this));
|
|
conn->to << ss;
|
|
conn.processStderr();
|
|
willBuild = readStorePaths<StorePathSet>(*this, conn->from);
|
|
willSubstitute = readStorePaths<StorePathSet>(*this, conn->from);
|
|
unknown = readStorePaths<StorePathSet>(*this, conn->from);
|
|
conn->from >> downloadSize >> narSize;
|
|
return;
|
|
}
|
|
|
|
fallback:
|
|
return Store::queryMissing(targets, willBuild, willSubstitute,
|
|
unknown, downloadSize, narSize);
|
|
}
|
|
|
|
|
|
void RemoteStore::connect()
|
|
{
|
|
auto conn(getConnection());
|
|
}
|
|
|
|
|
|
unsigned int RemoteStore::getProtocol()
|
|
{
|
|
auto conn(connections->get());
|
|
return conn->daemonVersion;
|
|
}
|
|
|
|
|
|
void RemoteStore::flushBadConnections()
|
|
{
|
|
connections->flushBad();
|
|
}
|
|
|
|
|
|
RemoteStore::Connection::~Connection()
|
|
{
|
|
try {
|
|
to.flush();
|
|
} catch (...) {
|
|
ignoreException();
|
|
}
|
|
}
|
|
|
|
|
|
static Logger::Fields readFields(Source & from)
|
|
{
|
|
Logger::Fields fields;
|
|
size_t size = readInt(from);
|
|
for (size_t n = 0; n < size; n++) {
|
|
auto type = (decltype(Logger::Field::type)) readInt(from);
|
|
if (type == Logger::Field::tInt)
|
|
fields.push_back(readNum<uint64_t>(from));
|
|
else if (type == Logger::Field::tString)
|
|
fields.push_back(readString(from));
|
|
else
|
|
throw Error("got unsupported field type %x from Nix daemon", (int) type);
|
|
}
|
|
return fields;
|
|
}
|
|
|
|
|
|
std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source * source)
|
|
{
|
|
to.flush();
|
|
|
|
while (true) {
|
|
|
|
auto msg = readNum<uint64_t>(from);
|
|
|
|
if (msg == STDERR_WRITE) {
|
|
string s = readString(from);
|
|
if (!sink) throw Error("no sink");
|
|
(*sink)(s);
|
|
}
|
|
|
|
else if (msg == STDERR_READ) {
|
|
if (!source) throw Error("no source");
|
|
size_t len = readNum<size_t>(from);
|
|
auto buf = std::make_unique<unsigned char[]>(len);
|
|
writeString(buf.get(), source->read(buf.get(), len), to);
|
|
to.flush();
|
|
}
|
|
|
|
else if (msg == STDERR_ERROR) {
|
|
string error = readString(from);
|
|
unsigned int status = readInt(from);
|
|
return std::make_exception_ptr(Error(status, error));
|
|
}
|
|
|
|
else if (msg == STDERR_NEXT)
|
|
printError(chomp(readString(from)));
|
|
|
|
else if (msg == STDERR_START_ACTIVITY) {
|
|
auto act = readNum<ActivityId>(from);
|
|
auto lvl = (Verbosity) readInt(from);
|
|
auto type = (ActivityType) readInt(from);
|
|
auto s = readString(from);
|
|
auto fields = readFields(from);
|
|
auto parent = readNum<ActivityId>(from);
|
|
logger->startActivity(act, lvl, type, s, fields, parent);
|
|
}
|
|
|
|
else if (msg == STDERR_STOP_ACTIVITY) {
|
|
auto act = readNum<ActivityId>(from);
|
|
logger->stopActivity(act);
|
|
}
|
|
|
|
else if (msg == STDERR_RESULT) {
|
|
auto act = readNum<ActivityId>(from);
|
|
auto type = (ResultType) readInt(from);
|
|
auto fields = readFields(from);
|
|
logger->result(act, type, fields);
|
|
}
|
|
|
|
else if (msg == STDERR_LAST)
|
|
break;
|
|
|
|
else
|
|
throw Error("got unknown message type %x from Nix daemon", msg);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static std::string uriScheme = "unix://";
|
|
|
|
static RegisterStoreImplementation regStore([](
|
|
const std::string & uri, const Store::Params & params)
|
|
-> std::shared_ptr<Store>
|
|
{
|
|
if (std::string(uri, 0, uriScheme.size()) != uriScheme) return 0;
|
|
return std::make_shared<UDSRemoteStore>(std::string(uri, uriScheme.size()), params);
|
|
});
|
|
|
|
}
|