From be64fbb50129356a03d8b7fe08d3ef3809a4a82a Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Wed, 27 Jul 2016 15:03:20 +0200 Subject: [PATCH] RemoteStore / nix-daemon: Drop support for Nix < 1.0 --- src/libstore/remote-store.cc | 34 +++++++++++++--------------- src/nix-daemon/nix-daemon.cc | 43 +++++++++++++++--------------------- 2 files changed, 33 insertions(+), 44 deletions(-) diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc index ab05c3844..022a86825 100644 --- a/src/libstore/remote-store.cc +++ b/src/libstore/remote-store.cc @@ -94,6 +94,8 @@ ref RemoteStore::openConnection() conn->daemonVersion = readInt(conn->from); 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) { @@ -127,17 +129,13 @@ void RemoteStore::setOptions(ref conn) << settings.tryFallback << verbosity << settings.maxBuildJobs - << settings.maxSilentTime; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 2) - conn->to << settings.useBuildHook; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 4) - conn->to << (settings.verboseBuild ? lvlError : lvlVomit) - << 0 // obsolete log type - << 0 /* obsolete print build trace */; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 6) - conn->to << settings.buildCores; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 10) - conn->to << settings.useSubstitutes; + << settings.maxSilentTime + << settings.useBuildHook + << (settings.verboseBuild ? lvlError : lvlVomit) + << 0 // obsolete log type + << 0 /* obsolete print build trace */ + << settings.buildCores + << settings.useSubstitutes; if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 12) { Settings::SettingsMap overrides = settings.getOverrides(); @@ -213,8 +211,6 @@ void RemoteStore::querySubstitutablePathInfos(const PathSet & paths, auto conn(connections->get()); - if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 3) return; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 12) { for (auto & i : paths) { @@ -227,7 +223,7 @@ void RemoteStore::querySubstitutablePathInfos(const PathSet & paths, if (info.deriver != "") assertStorePath(info.deriver); info.references = readStorePaths(*this, conn->from); info.downloadSize = readLongLong(conn->from); - info.narSize = GET_PROTOCOL_MINOR(conn->daemonVersion) >= 7 ? readLongLong(conn->from) : 0; + info.narSize = readLongLong(conn->from); infos[i] = info; } @@ -481,11 +477,11 @@ void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results) { auto conn(connections->get()); - conn->to << wopCollectGarbage << options.action << options.pathsToDelete << options.ignoreLiveness - << options.maxFreed << 0; - if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 5) + conn->to + << wopCollectGarbage << options.action << options.pathsToDelete << options.ignoreLiveness + << options.maxFreed /* removed options */ - conn->to << 0 << 0; + << 0 << 0 << 0; conn->processStderr(); @@ -562,7 +558,7 @@ void RemoteStore::Connection::processStderr(Sink * sink, Source * source) } if (msg == STDERR_ERROR) { string error = readString(from); - unsigned int status = GET_PROTOCOL_MINOR(daemonVersion) >= 8 ? readInt(from) : 1; + unsigned int status = readInt(from); throw Error(format("%1%") % error, status); } else if (msg != STDERR_LAST) diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc index 6e0d869f4..bdbda883e 100644 --- a/src/nix-daemon/nix-daemon.cc +++ b/src/nix-daemon/nix-daemon.cc @@ -413,12 +413,10 @@ static void performOp(ref store, bool trusted, unsigned int clientVe options.pathsToDelete = readStorePaths(*store, from); options.ignoreLiveness = readInt(from); options.maxFreed = readLongLong(from); - readInt(from); // obsolete field - if (GET_PROTOCOL_MINOR(clientVersion) >= 5) { - /* removed options */ - readInt(from); - readInt(from); - } + // obsolete fields + readInt(from); + readInt(from); + readInt(from); GCResults results; @@ -440,17 +438,12 @@ static void performOp(ref store, bool trusted, unsigned int clientVe verbosity = (Verbosity) readInt(from); settings.set("build-max-jobs", std::to_string(readInt(from))); settings.set("build-max-silent-time", std::to_string(readInt(from))); - if (GET_PROTOCOL_MINOR(clientVersion) >= 2) - settings.useBuildHook = readInt(from) != 0; - if (GET_PROTOCOL_MINOR(clientVersion) >= 4) { - settings.verboseBuild = lvlError == (Verbosity) readInt(from); - readInt(from); // obsolete logType - readInt(from); // obsolete printBuildTrace - } - if (GET_PROTOCOL_MINOR(clientVersion) >= 6) - settings.set("build-cores", std::to_string(readInt(from))); - if (GET_PROTOCOL_MINOR(clientVersion) >= 10) - settings.set("build-use-substitutes", readInt(from) ? "true" : "false"); + settings.useBuildHook = readInt(from) != 0; + settings.verboseBuild = lvlError == (Verbosity) readInt(from); + readInt(from); // obsolete logType + readInt(from); // obsolete printBuildTrace + settings.set("build-cores", std::to_string(readInt(from))); + settings.set("build-use-substitutes", readInt(from) ? "true" : "false"); if (GET_PROTOCOL_MINOR(clientVersion) >= 12) { unsigned int n = readInt(from); for (unsigned int i = 0; i < n; i++) { @@ -478,9 +471,7 @@ static void performOp(ref store, bool trusted, unsigned int clientVe if (i == infos.end()) to << 0; else { - to << 1 << i->second.deriver << i->second.references << i->second.downloadSize; - if (GET_PROTOCOL_MINOR(clientVersion) >= 7) - to << i->second.narSize; + to << 1 << i->second.deriver << i->second.references << i->second.downloadSize << i->second.narSize; } break; } @@ -585,11 +576,13 @@ static void processConnection(bool trusted) to.flush(); unsigned int clientVersion = readInt(from); + if (clientVersion < 0x10a) + throw Error("the Nix client version is too old"); + if (GET_PROTOCOL_MINOR(clientVersion) >= 14 && readInt(from)) setAffinityTo(readInt(from)); - if (GET_PROTOCOL_MINOR(clientVersion) >= 11) - readInt(from); // obsolete reserveSpace + readInt(from); // obsolete reserveSpace /* Send startup error messages to the client. */ startWork(); @@ -636,10 +629,10 @@ static void processConnection(bool trusted) during addTextToStore() / importPath(). If that happens, just send the error message and exit. */ bool errorAllowed = canSendStderr; - stopWork(false, e.msg(), GET_PROTOCOL_MINOR(clientVersion) >= 8 ? e.status : 0); + stopWork(false, e.msg(), e.status); if (!errorAllowed) throw; } catch (std::bad_alloc & e) { - stopWork(false, "Nix daemon out of memory", GET_PROTOCOL_MINOR(clientVersion) >= 8 ? 1 : 0); + stopWork(false, "Nix daemon out of memory", 1); throw; } @@ -653,7 +646,7 @@ static void processConnection(bool trusted) printMsg(lvlDebug, format("%1% operations") % opCount); } catch (Error & e) { - stopWork(false, e.msg(), GET_PROTOCOL_MINOR(clientVersion) >= 8 ? 1 : 0); + stopWork(false, e.msg(), 1); to.flush(); return; }