[doc] Update doc

bindings/builtin/builtin.go

@@ -31,8 +31,13 @@ type Logger interface {
 	Printf(level int, fmt string, msg ...interface{})
 }
 
-var logger Logger
+// Separate mutexes for logger object itself and for reindexer_enable_logger call:
+// logMtx provides safe access to the logger
+// logEnableMtx provides atomic logic for (enable + set) and (disable + reset) procedures
 var logMtx sync.RWMutex
+var logEnableMtx sync.Mutex
+var logger Logger
+
 var enableDebug bool
 
 var bufPool sync.Pool
@@ -600,18 +605,24 @@ func CGoLogger(level int, msg string) {
 	}
 }
 
-func (binding *Builtin) EnableLogger(log bindings.Logger) {
+func (binding *Builtin) setLogger(log bindings.Logger) {
 	logMtx.Lock()
 	defer logMtx.Unlock()
 	logger = log
+}
+
+func (binding *Builtin) EnableLogger(log bindings.Logger) {
+	logEnableMtx.Lock()
+	defer logEnableMtx.Unlock()
+	binding.setLogger(log)
 	C.reindexer_enable_go_logger()
 }
 
 func (binding *Builtin) DisableLogger() {
-	logMtx.Lock()
-	defer logMtx.Unlock()
+	logEnableMtx.Lock()
+	defer logEnableMtx.Unlock()
 	C.reindexer_disable_go_logger()
-	logger = nil
+	binding.setLogger(nil)
 }
 
 func (binding *Builtin) ReopenLogFiles() error {

bindings/builtinserver/config/config.go

@@ -13,11 +13,20 @@ type StorageConf struct {
 	Autorepair      bool   `yaml:"autorepair"`
 }
 
+const ServerThreadingDedicated = "dedicated"
+const ServerThreadingShared = "shared"
+
 type NetConf struct {
-	HTTPAddr string `yaml:"httpaddr"`
-	RPCAddr  string `yaml:"rpcaddr"`
-	WebRoot  string `yaml:"webroot"`
-	Security bool   `yaml:"security"`
+	HTTPAddr            string `yaml:"httpaddr"`
+	HTTPThreading       string `yaml:"http_threading"` // "dedicated" or "shared"
+	RPCAddr             string `yaml:"rpcaddr"`
+	RPCThreading        string `yaml:"rpc_threading"` // "dedicated" or "shared"
+	UnixRPCAddr         string `yaml:"urpcaddr"`
+	UnixRPCThreading    string `yaml:"urpc_threading"` // "dedicated" or "shared"
+	WebRoot             string `yaml:"webroot"`
+	Security            bool   `yaml:"security"`
+	HttpReadTimeoutSec  int    `yaml:"http_read_timeout,omitempty"`
+	HttpWriteTimeoutSec int    `yaml:"http_write_timeout,omitempty"`
 }
 
 type LoggerConf struct {
@@ -69,9 +78,11 @@ func DefaultServerConfig() *ServerConfig {
 			Autorepair:      false,
 		},
 		Net: NetConf{
-			HTTPAddr: "0.0.0.0:9088",
-			RPCAddr:  "0.0.0.0:6534",
-			Security: false,
+			HTTPAddr:      "0.0.0.0:9088",
+			HTTPThreading: "shared",
+			RPCAddr:       "0.0.0.0:6534",
+			RPCThreading:  "shared",
+			Security:      false,
 		},
 		Logger: LoggerConf{
 			ServerLog: "stdout",

bindings/cproto/connection.go

@@ -198,12 +198,20 @@ func (c *connection) deadlineTicker() {
 }
 
 func (c *connection) connect(ctx context.Context) (err error) {
+	dsn := c.owner.getActiveDSN()
 	var d net.Dialer
-	c.conn, err = d.DialContext(ctx, "tcp", c.owner.getActiveDSN().Host)
-	if err != nil {
-		return err
+	if dsn.Scheme == "cproto" {
+		if c.conn, err = d.DialContext(ctx, "tcp", dsn.Host); err != nil {
+			return err
+		}
+		c.conn.(*net.TCPConn).SetNoDelay(true)
+	} else {
+		d.LocalAddr = nil
+		if c.conn, err = d.DialContext(ctx, "unix", dsn.Host); err != nil {
+			return err
+		}
 	}
-	c.conn.(*net.TCPConn).SetNoDelay(true)
+
 	c.rdBuf = bufio.NewReaderSize(c.conn, bufsCap)
 
 	go c.writeLoop()

bindings/cproto/cproto.go

@@ -8,6 +8,8 @@ import (
 	"math"
 	"net"
 	"net/url"
+	"runtime"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -32,6 +34,9 @@ var logMtx sync.RWMutex
 
 func init() {
 	bindings.RegisterBinding("cproto", new(NetCProto))
+	if runtime.GOOS != "windows" {
+		bindings.RegisterBinding("ucproto", new(NetCProto))
+	}
 }
 
 type Logger interface {
@@ -122,6 +127,16 @@ func (binding *NetCProto) Init(u []url.URL, options ...interface{}) (err error)
 	}
 
 	binding.dsn.url = u
+	for i := 0; i < len(binding.dsn.url); i++ {
+		if binding.dsn.url[i].Scheme == "ucproto" {
+			addrs := strings.Split(binding.dsn.url[i].Path, ":")
+			if len(addrs) != 2 {
+				return fmt.Errorf("rq: unexpected URL format for ucproto: '%s'. Expecting '<unix socket>:/<db name>", binding.dsn.url[i].Path)
+			}
+			binding.dsn.url[i].Host = addrs[0]
+			binding.dsn.url[i].Path = addrs[1]
+		}
+	}
 	binding.connectDSN(context.Background(), connPoolSize, connPoolLBAlgorithm)
 	binding.termCh = make(chan struct{})
 	go binding.pinger()

bindings/interface.go

@@ -120,7 +120,7 @@ type TxCtx struct {
 	UserCtx context.Context
 }
 
-// FetchMore interface for partial loading results (used in cproto)
+// FetchMore interface for partial loading results (used in cproto/ucproto)
 type FetchMore interface {
 	Fetch(ctx context.Context, offset, limit int, asJson bool) (err error)
 }
@@ -248,7 +248,7 @@ const (
 	LBPowerOfTwoChoices
 )
 
-// OptionConnPoolLoadBalancing sets algorithm, which will be used to choose connection for cproto requests' balancing
+// OptionConnPoolLoadBalancing sets algorithm, which will be used to choose connection for cproto/ucproto requests' balancing
 type OptionConnPoolLoadBalancing struct {
 	Algorithm LoadBalancingAlgorithm
 }

changelog.md

@@ -1905,5 +1905,3 @@
 - [ref] EnableStorage method was deprecated
 - [fix] Query builder did not reset opOR after InnerJoin
 
-## Misc
-

cjson/decoder.go

@@ -711,7 +711,7 @@ func (dec *Decoder) Decode(cjson []byte, dest interface{}) (err error) {
 		}
 	}()
 
-	fieldsoutcnt := make([]int, 64, 64)
+	fieldsoutcnt := make([]int, MaxIndexes)
 	ctagsPath := make([]int, 0, 8)
 
 	dec.decodeValue(nil, ser, reflect.ValueOf(dest), fieldsoutcnt, ctagsPath)

cpp_src/CMakeLists.txt

@@ -89,6 +89,10 @@ endif ()
 
 set (EXTRA_FLAGS "")
 
+if (WITH_ASAN AND WITH_TSAN)
+  message(FATAL_ERROR "You cannot use the ASAN and TSAN options at the same time, CMake will exit.")
+endif()
+
 if (WITH_ASAN)
   set (EXTRA_FLAGS "-fsanitize=address")
   add_definitions(-DREINDEX_WITH_ASAN)
@@ -272,6 +276,9 @@ else()
   list(APPEND SRCS ${KOISHI_PATH}/fcontext/fcontext.c ${KOISHI_PATH}/fcontext/fcontext.hpp)
 endif()
 
+# Static LevelDB v1.23 is built with -fno-rtti by default. To inherit our logger from leveldb's logger, this file must be built with -fno-rtti to
+set_source_files_properties(${REINDEXER_SOURCE_PATH}/core/storage/leveldblogger.cc PROPERTIES COMPILE_FLAGS "-fno-rtti")
+
 list(APPEND REINDEXER_LIBRARIES reindexer)
 add_library(${TARGET} STATIC ${HDRS} ${SRCS} ${VENDORS})
 add_definitions(-DREINDEX_CORE_BUILD=1)
@@ -695,15 +702,16 @@ if (NOT WIN32)
   SET(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "server")
   SET(DIST_INCLUDE_FILES
     "tools/errors.h" "tools/serializer.h" "tools/varint.h" "tools/stringstools.h" "tools/customhash.h" "tools/assertrx.h" "tools/jsonstring.h"
+    "tools/verifying_updater.h"
     "core/reindexer.h" "core/type_consts.h" "core/item.h" "core/payload/payloadvalue.h" "core/payload/payloadiface.h" "core/indexopts.h"
     "core/namespacedef.h" "core/keyvalue/variant.h" "core/keyvalue/geometry.h" "core/sortingprioritiestable.h"
     "core/rdxcontext.h" "core/activity_context.h" "core/type_consts_helpers.h" "core/payload/fieldsset.h" "core/payload/payloadtype.h"
     "core/cbinding/reindexer_c.h" "core/cbinding/reindexer_ctypes.h" "core/transaction.h" "core/payload/payloadfieldtype.h" "core/reindexerconfig.h"
     "core/query/query.h" "core/query/queryentry.h" "core/queryresults/queryresults.h" "core/indexdef.h" "core/queryresults/aggregationresult.h"
     "core/queryresults/itemref.h" "core/namespace/stringsholder.h" "core/keyvalue/key_string.h" "core/key_value_type.h" "core/keyvalue/uuid.h"
     "core/expressiontree.h" "core/lsn.h" "core/cjson/tagspath.h" "core/cjson/ctag.h"
-	"estl/cow.h" "estl/overloaded.h" "estl/one_of.h" "estl/h_vector.h" "estl/mutex.h" "estl/intrusive_ptr.h" "estl/trivial_reverse_iterator.h"
-	"estl/span.h" "estl/chunk.h" "estl/fast_hash_traits.h" "estl/debug_macros.h" "estl/defines.h"
+    "estl/cow.h" "estl/overloaded.h" "estl/one_of.h" "estl/h_vector.h" "estl/mutex.h" "estl/intrusive_ptr.h" "estl/trivial_reverse_iterator.h"
+    "estl/span.h" "estl/chunk.h" "estl/fast_hash_traits.h" "estl/debug_macros.h" "estl/defines.h"
     "client/reindexer.h" "client/item.h" "client/reindexerconfig.h" "client/queryresults.h" "client/resultserializer.h"
     "client/internalrdxcontext.h" "client/transaction.h"
     "client/cororeindexer.h" "client/coroqueryresults.h" "client/corotransaction.h"

cpp_src/client/cororeindexer.cc

@@ -33,7 +33,7 @@ CoroReindexer& CoroReindexer::operator=(CoroReindexer&& rdx) noexcept {
 Error CoroReindexer::Connect(const std::string& dsn, dynamic_loop& loop, const client::ConnectOpts& opts) {
 	return impl_->Connect(dsn, loop, opts);
 }
-Error CoroReindexer::Stop() { return impl_->Stop(); }
+void CoroReindexer::Stop() { impl_->Stop(); }
 Error CoroReindexer::AddNamespace(const NamespaceDef& nsDef) { return impl_->AddNamespace(nsDef, ctx_); }
 Error CoroReindexer::OpenNamespace(std::string_view nsName, const StorageOpts& storage) {
 	return impl_->OpenNamespace(nsName, ctx_, storage);

cpp_src/client/cororeindexer.h

@@ -41,12 +41,13 @@ class CoroReindexer {
 	CoroReindexer &operator=(CoroReindexer &&) noexcept;
 
 	/// Connect - connect to reindexer server
-	/// @param dsn - uri of server and database, like: `cproto://user@password:127.0.0.1:6534/dbname`
+	/// @param dsn - uri of server and database, like: `cproto://user@password:127.0.0.1:6534/dbname` or
+	/// `ucproto://user@password:/tmp/reindexer.sock:/dbname`
 	/// @param loop - event loop for connections and coroutines handling
 	/// @param opts - Connect options. May contaion any of <br>
 	Error Connect(const std::string &dsn, dynamic_loop &loop, const client::ConnectOpts &opts = client::ConnectOpts());
 	/// Stop - shutdown connector
-	Error Stop();
+	void Stop();
 	/// Open or create namespace
 	/// @param nsName - Name of namespace
 	/// @param opts - Storage options. Can be one of <br>

cpp_src/client/cororpcclient.cc

@@ -26,6 +26,7 @@ CoroRPCClient::CoroRPCClient(const ReindexerConfig& config) : config_(config) {
 CoroRPCClient::~CoroRPCClient() { Stop(); }
 
 Error CoroRPCClient::Connect(const std::string& dsn, ev::dynamic_loop& loop, const client::ConnectOpts& opts) {
+	using namespace std::string_view_literals;
 	if (conn_.IsRunning()) {
 		return Error(errLogic, "Client is already started");
 	}
@@ -34,9 +35,15 @@ Error CoroRPCClient::Connect(const std::string& dsn, ev::dynamic_loop& loop, con
 	if (!connectData.uri.parse(dsn)) {
 		return Error(errParams, "%s is not valid uri", dsn);
 	}
-	if (connectData.uri.scheme() != "cproto") {
+#ifdef _WIN32
+	if (connectData.uri.scheme() != "cproto"sv) {
 		return Error(errParams, "Scheme must be cproto");
 	}
+#else
+	if (connectData.uri.scheme() != "cproto"sv && connectData.uri.scheme() != "ucproto"sv) {
+		return Error(errParams, "Scheme must be either cproto or ucproto");
+	}
+#endif
 	connectData.opts = cproto::CoroClientConnection::Options(
 		config_.ConnectTimeout, config_.RequestTimeout, opts.IsCreateDBIfMissing(), opts.HasExpectedClusterID(), opts.ExpectedClusterID(),
 		config_.ReconnectAttempts, config_.EnableCompression, config_.RequestDedicatedThread, config_.AppName);
@@ -46,13 +53,12 @@ Error CoroRPCClient::Connect(const std::string& dsn, ev::dynamic_loop& loop, con
 	return errOK;
 }
 
-Error CoroRPCClient::Stop() {
+void CoroRPCClient::Stop() {
 	terminate_ = true;
 	conn_.Stop();
 	resubWg_.wait();
 	loop_ = nullptr;
 	terminate_ = false;
-	return errOK;
 }
 
 Error CoroRPCClient::AddNamespace(const NamespaceDef& nsDef, const InternalRdxContext& ctx) {
@@ -236,7 +242,7 @@ Error CoroRPCClient::Delete(const Query& query, CoroQueryResults& result, const
 	query.Serialize(ser);
 
 	NsArray nsArray;
-	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q._namespace)); });
+	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q.NsName())); });
 
 	result = CoroQueryResults(&conn_, std::move(nsArray), 0, config_.FetchAmount, config_.RequestTimeout);
 
@@ -257,7 +263,7 @@ Error CoroRPCClient::Update(const Query& query, CoroQueryResults& result, const
 	query.Serialize(ser);
 
 	NsArray nsArray;
-	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q._namespace)); });
+	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q.NsName())); });
 
 	result = CoroQueryResults(&conn_, std::move(nsArray), 0, config_.FetchAmount, config_.RequestTimeout);
 
@@ -322,7 +328,7 @@ Error CoroRPCClient::selectImpl(const Query& query, CoroQueryResults& result, se
 	}
 	NsArray nsArray;
 	query.Serialize(qser);
-	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q._namespace)); });
+	query.WalkNested(true, true, [this, &nsArray](const Query& q) { nsArray.push_back(getNamespace(q.NsName())); });
 	h_vector<int32_t, 4> vers;
 	for (auto& ns : nsArray) {
 		vers.push_back(ns->tagsMatcher_.version() ^ ns->tagsMatcher_.stateToken());

cpp_src/client/cororpcclient.h

@@ -36,7 +36,7 @@ class CoroRPCClient {
 	~CoroRPCClient();
 
 	Error Connect(const std::string &dsn, ev::dynamic_loop &loop, const client::ConnectOpts &opts);
-	Error Stop();
+	void Stop();
 
 	Error OpenNamespace(std::string_view nsName, const InternalRdxContext &ctx,
 						const StorageOpts &opts = StorageOpts().Enabled().CreateIfMissing());

cpp_src/client/item.h

@@ -60,13 +60,13 @@ class Item {
 	/// Get status of item
 	/// @return data slice with JSON. Returned slice is allocated in temporary Item's buffer, and can be invalidated by any next operation
 	/// with Item
-	Error Status() { return status_; }
+	Error Status() const noexcept { return status_; }
 	/// Get internal ID of item
 	/// @return ID of item
 	int GetID() const noexcept { return id_; }
-	/// Get internal version of item
-	/// @return version of item
-	int NumFields();
+	/// Get count of indexed fields
+	/// @return count of indexed fields
+	int NumFields() const noexcept;
 	/// Set additional percepts for modify operation
 	/// @param precepts - strings in format "fieldName=Func()"
 	void SetPrecepts(const std::vector<std::string> &precepts);

cpp_src/client/itemimpl.cc

@@ -46,9 +46,9 @@ void ItemImpl::FromCJSON(std::string_view slice) {
 	}
 
 	Payload pl = GetPayload();
-	CJsonDecoder decoder(tagsMatcher_);
+	CJsonDecoder decoder(tagsMatcher_, holder_);
 	ser_.Reset();
-	decoder.Decode(pl, rdser, ser_);
+	decoder.Decode<>(pl, rdser, ser_);
 
 	if (!rdser.Eof() && rdser.Pos() != tmOffset) {
 		throw Error(errParseJson, "Internal error - left unparsed data %d", rdser.Pos());

cpp_src/client/queryresults.cc

@@ -114,8 +114,6 @@ void QueryResults::fetchNextResults() {
 	rawResult_.assign(rawResult.begin() + ser.Pos(), rawResult.end());
 }
 
-QueryResults::~QueryResults() {}
-
 h_vector<std::string_view, 1> QueryResults::GetNamespaces() const {
 	h_vector<std::string_view, 1> ret;
 	ret.reserve(nsArray_.size());
@@ -310,8 +308,5 @@ QueryResults::Iterator &QueryResults::Iterator::operator++() {
 	return *this;
 }
 
-bool QueryResults::Iterator::operator!=(const Iterator &other) const { return idx_ != other.idx_; }
-bool QueryResults::Iterator::operator==(const Iterator &other) const { return idx_ == other.idx_; }
-
 }  // namespace client
 }  // namespace reindexer