Used upgradeInterface() in a number of places.

Fixed memory leak when unloading module, related with upgraded interfaces.
Fixed timer on posix to be high resolution.
Better diagnostic in services.

builds/posix/make.defaults

@@ -292,7 +292,7 @@ FB_DAEMON = $(BIN)/firebird$(EXEC_EXT)
 
 # Per-library link rules
 LINK_UDF = $(LIB_LINK) $(LIB_LINK_OPTIONS) $(call LIB_LINK_SONAME,$(1).$(SHRLIB_EXT)) $(UNDEF_FLAGS)\
- $(call LIB_LINK_RPATH,lib) -lm
+ $(call LIB_LINK_RPATH,lib) $(SO_LINK_LIBS)
 LINK_UDF_LIBS = $(THR_LIBS) -L$(LIB) -lib_util
 
 LINK_IB_UTIL = $(LIB_LINK) $(LINK_IBUTIL_SYMBOLS) $(LIB_LINK_OPTIONS) $(UNDEF_FLAGS)\

configure.in

@@ -793,6 +793,8 @@ dnl AC_CHECK_FUNCS(AO_compare_and_swap_full)
 AC_COMPILE_IFELSE(
 	[AC_LANG_PROGRAM([[#include <atomic_ops.h>]], [[AO_T x; AO_compare_and_swap_full(&x, 0, 0); return 0;]])],
 	AC_DEFINE(HAVE_AO_COMPARE_AND_SWAP_FULL, 1, [Define this if AO_compare_and_swap_full() is defined in atomic_ops.h]))
+AC_SEARCH_LIBS(clock_gettime, rt)
+AC_CHECK_FUNCS(clock_gettime)
 
 dnl Checks for pthread functions
 AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)

lang_helpers/gds_codes.ftn

@@ -1460,6 +1460,8 @@ C --
       PARAMETER (GDS__invalid_boolean_usage            = 335545023)
       INTEGER*4 GDS__sysf_argscant_both_be_zero      
       PARAMETER (GDS__sysf_argscant_both_be_zero       = 335545024)
+      INTEGER*4 GDS__spb_no_id                       
+      PARAMETER (GDS__spb_no_id                        = 335545025)
       INTEGER*4 GDS__gfix_db_name                    
       PARAMETER (GDS__gfix_db_name                     = 335740929)
       INTEGER*4 GDS__gfix_invalid_sw                 

lang_helpers/gds_codes.pas

@@ -737,6 +737,7 @@ const
 	gds_cannot_copy_stmt                 = 335545022;
 	gds_invalid_boolean_usage            = 335545023;
 	gds_sysf_argscant_both_be_zero       = 335545024;
+	gds_spb_no_id                        = 335545025;
 	gds_gfix_db_name                     = 335740929;
 	gds_gfix_invalid_sw                  = 335740930;
 	gds_gfix_incmp_sw                    = 335740932;

src/auth/AuthDbg.cpp

@@ -33,6 +33,8 @@
 
 //#define AUTH_VERBOSE
 
+static Firebird::MakeUpgradeInfo<> upInfo;
+
 // register plugin
 static Firebird::SimpleFactory<Auth::DebugClient> clientFactory;
 static Firebird::SimpleFactory<Auth::DebugServer> serverFactory;
@@ -60,6 +62,7 @@ Result FB_CARG DebugServer::startAuthentication(Firebird::IStatus* status, bool
 {
 	try
 	{
+		Firebird::MasterInterfacePtr()->upgradeInterface(writerInterface, FB_AUTH_WRITER_VERSION, upInfo);
 		str.erase();
 		Firebird::ClumpletReader rdr(isService ?
 			Firebird::ClumpletReader::spbList :
@@ -88,6 +91,7 @@ Result FB_CARG DebugServer::contAuthentication(Firebird::IStatus* status, IWrite
 #ifdef AUTH_VERBOSE
 		fprintf(stderr, "DebugServerInstance::contAuthentication: %.*s\n", size, data);
 #endif
+		Firebird::MasterInterfacePtr()->upgradeInterface(writerInterface, FB_AUTH_WRITER_VERSION, upInfo);
 		writerInterface->add(Firebird::string((const char*) data, size).c_str(), "DEBUG", "");
 		return AUTH_SUCCESS;
 	}
@@ -126,6 +130,7 @@ Result FB_CARG DebugClient::startAuthentication(Firebird::IStatus* status, bool
 {
 	try
 	{
+		Firebird::MasterInterfacePtr()->upgradeInterface(dpb, FB_AUTH_DPB_READER_VERSION, upInfo);
 		str = "HAND";
 		if (dpb)
 		{

src/auth/SecurityDatabase/LegacyManagement.epp

@@ -42,6 +42,8 @@
 #include "../common/classes/ClumpletWriter.h"
 #include "firebird/Plugin.h"
 
+static Firebird::MakeUpgradeInfo<> upInfo;
+
 // Here we use version-independent symbolic link (or copy) of actual database
 DATABASE database = STATIC FILENAME "security.fdb";
 
@@ -124,6 +126,8 @@ void FB_CARG SecurityDatabaseManagement::start(Firebird::IStatus* st, ILogonInfo
 {
 	try
 	{
+		Firebird::MasterInterfacePtr()->upgradeInterface(logonInfo, FB_AUTH_LOGON_INFO_VERSION, upInfo);
+
 		st->init();
 
 		if (secDbKey == INIT_KEY)
@@ -310,6 +314,8 @@ int FB_CARG SecurityDatabaseManagement::execute(Firebird::IStatus* st, IUser* us
 
 	try
 	{
+		Firebird::MasterInterfacePtr()->upgradeInterface(user, FB_AUTH_USER_VERSION, upInfo);
+
 		ISC_STATUS_ARRAY isc_status;
 		fb_utils::init_status(isc_status);
 		st->init();
@@ -668,12 +674,11 @@ int FB_CARG SecurityDatabaseManagement::execute(Firebird::IStatus* st, IUser* us
 
 // register plugin
 static Firebird::SimpleFactory<Auth::SecurityDatabaseManagement> factory;
-static Firebird::UnloadDetector unloadDetector;
 
 extern "C" void FB_PLUGIN_ENTRY_POINT(Firebird::IMaster* master)
 {
 	Firebird::PluginManagerInterfacePtr pi(master);
 
 	pi->registerPluginFactory(Firebird::PluginType::AuthUserManagement, "Legacy_Auth", &factory);
-	pi->registerModule(&unloadDetector);
+	pi->registerModule(&Firebird::myModule);
 }

src/auth/SecurityDatabase/LegacyServer.cpp

@@ -49,6 +49,8 @@ using namespace Firebird;
 
 namespace {
 
+MakeUpgradeInfo<> upInfo;
+
 // BLR to search database for user name record
 
 const UCHAR PWD_REQUEST[] =
@@ -367,6 +369,7 @@ Result SecurityDatabase::verify(IWriter* authBlock, ClumpletReader& originalDpb)
 			}
 		}
 
+		MasterInterfacePtr()->upgradeInterface(authBlock, FB_AUTH_WRITER_VERSION, upInfo);
 		authBlock->add(login.c_str(), "SecDB", secureDbName);
 		return AUTH_SUCCESS;
 	}
@@ -517,7 +520,7 @@ Result SecurityDatabaseServer::startAuthentication(Firebird::IStatus* status,
 
 		ClumpletReader rdr(isService ? ClumpletReader::spbList : ClumpletReader::dpbList, dpb, dpbSize);
 		Result rc = instance->verify(writerInterface, rdr);
-		Firebird::TimerInterfacePtr()->start(instance, 10 * 1000 * 1000);
+		TimerInterfacePtr()->start(instance, 10 * 1000 * 1000);
 		return rc;
 	}
 	catch (const Firebird::Exception& ex)

src/auth/trusted/AuthSspi.cpp

@@ -69,6 +69,8 @@ namespace
 		*data = name;
 		*dataSize = strlen(name);
 	}
+
+	MakeUpgradeInfo<> upInfo;
 }
 
 namespace Auth {
@@ -380,6 +382,7 @@ Result WinSspiServer::contAuthentication(Firebird::IStatus* status,
 		bool wheel = false;
 		string login;
 		sspi.getLogin(login, wheel);
+		MasterInterfacePtr()->upgradeInterface(writerInterface, FB_AUTH_WRITER_VERSION, upInfo);
 		writerInterface->add(login.c_str(), "WIN_SSPI", "");
 		if (wheel)
 		{
@@ -417,6 +420,8 @@ Result WinSspiClient::startAuthentication(Firebird::IStatus* status,
 
 	if (dpb)
 	{
+		MasterInterfacePtr()->upgradeInterface(dpb, FB_AUTH_DPB_READER_VERSION, upInfo);
+
 		UCHAR tag = isService ? isc_spb_trusted_role : isc_dpb_trusted_role;
 		while (dpb->find(tag))
 		{

src/common/classes/GetPlugins.h

@@ -34,36 +34,27 @@
 
 namespace Firebird {
 
-// Default replacement for missing virtual functions
-class DefaultMissingEntrypoint
-{
-public:
-	virtual void FB_CARG noEntrypoint()
-	{
-		Arg::Gds(isc_wish_list).raise();
-	}
-};
-
 // Template to help with loop in the set of plugins
-template <typename P, typename M = DefaultMissingEntrypoint>
+template <typename P>
 class GetPlugins
 {
 public:
-	GetPlugins(unsigned int interfaceType, unsigned int desiredVersion, const char* namesList = NULL)
+	GetPlugins(unsigned int interfaceType, unsigned int desiredVersion,
-		: masterInterface(), pluginInterface(masterInterface), missing(),
+			   UpgradeInfo* ui, const char* namesList = NULL)
+		: masterInterface(), pluginInterface(masterInterface),
 		  pluginSet(pluginInterface->getPlugins(interfaceType, namesList ? namesList : Config::getPlugins(interfaceType),
-		  										desiredVersion, &missing, NULL)),
+		  										desiredVersion, ui, NULL)),
 		  currentPlugin(NULL)
 	{
 		pluginSet->release();
 		getPlugin();
 	}
 
-	GetPlugins(unsigned int interfaceType, unsigned int desiredVersion,
+	GetPlugins(unsigned int interfaceType, unsigned int desiredVersion, UpgradeInfo* ui,
 			   Config* knownConfig, const char* namesList = NULL)
-		: masterInterface(), pluginInterface(masterInterface), missing(),
+		: masterInterface(), pluginInterface(masterInterface),
 		  pluginSet(pluginInterface->getPlugins(interfaceType, namesList ? namesList : Config::getPlugins(interfaceType),
-		  										desiredVersion, &missing, new FirebirdConf(knownConfig))),
+		  										desiredVersion, ui, new FirebirdConf(knownConfig))),
 		  currentPlugin(NULL)
 	{
 		pluginSet->release();
@@ -124,7 +115,6 @@ public:
 private:
 	MasterInterfacePtr masterInterface;
 	PluginManagerInterfacePtr pluginInterface;
-	M missing;
 	RefPtr<IPluginSet> pluginSet;
 	P* currentPlugin;
 

src/common/classes/ImplementHelper.cpp

@@ -0,0 +1,34 @@
+/*
+ *	PROGRAM:		Firebird interface.
+ *	MODULE:			ImplementHelper.cpp
+ *	DESCRIPTION:	Tools to help create interfaces.
+ *
+ *  The contents of this file are subject to the Initial
+ *  Developer's Public License Version 1.0 (the "License");
+ *  you may not use this file except in compliance with the
+ *  License. You may obtain a copy of the License at
+ *  http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
+ *
+ *  Software distributed under the License is distributed AS IS,
+ *  WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing rights
+ *  and limitations under the License.
+ *
+ *  The Original Code was created by Alex Peshkov
+ *  for the Firebird Open Source RDBMS project.
+ *
+ *  Copyright (c) 2010 Alex Peshkov <peshkoff at mail.ru>
+ *  and all contributors signed below.
+ *
+ *  All Rights Reserved.
+ *  Contributor(s): ______________________________________.
+ *
+ *
+ */
+
+#include "../common/classes/ImplementHelper.h"
+
+namespace Firebird
+{
+	UnloadDetector myModule;
+}

src/common/classes/ImplementHelper.h

@@ -71,6 +71,8 @@ public:
 		return V;
 	}
 
+	IPluginModule* getModule();
+
 private:
 	VersionedIface(const VersionedIface&);
 	VersionedIface& operator=(const VersionedIface&);
@@ -249,7 +251,10 @@ public:
 		if (flagOsUnload)
 		{
 			PluginManagerInterfacePtr pi;
-			pi->unregisterModule(this);
+			if (pi)
+			{
+				pi->unregisterModule(this);
+			}
 
 			doClean();
 		}
@@ -282,6 +287,44 @@ private:
 };
 
 typedef GlobalPtr<UnloadDetectorHelper, InstanceControl::PRIORITY_DETECT_UNLOAD> UnloadDetector;
+extern UnloadDetector myModule;
+
+template <class C, int V> IPluginModule* VersionedIface<C, V>::getModule()
+{
+	return &myModule;
+}
+
+
+// Default replacement for missing virtual functions
+class DefaultMissingEntrypoint
+{
+public:
+	virtual void FB_CARG noEntrypoint()
+	{
+		Arg::Gds(isc_wish_list).raise();
+	}
+};
+
+// Helps to create update information
+template <typename M = DefaultMissingEntrypoint>
+class MakeUpgradeInfo
+{
+public:
+	MakeUpgradeInfo()
+	{
+		ui.missingFunctionClass = &missing;
+		ui.clientModule = &myModule;
+	}
+
+	operator UpgradeInfo*()
+	{
+		return &ui;
+	}
+
+private:
+	M missing;
+	struct UpgradeInfo ui;
+};
 
 
 class InternalMessageBuffer : public FbMessage

src/common/security.cpp

@@ -36,12 +36,14 @@ void raise()
 	(Arg::Gds(isc_random) << "Missing user management plugin").raise();
 }
 
+MakeUpgradeInfo<> ui;
+
 } // anonymous namespace
 
 namespace Auth {
 
 Get::Get(Config* firebirdConf)
-	: GetPlugins<Auth::IManagement>(PluginType::AuthUserManagement, FB_AUTH_MANAGE_VERSION, firebirdConf)
+	: GetPlugins<Auth::IManagement>(PluginType::AuthUserManagement, FB_AUTH_MANAGE_VERSION, ui, firebirdConf)
 {
 	if (!hasData())
 	{

src/common/utils.cpp

@@ -807,7 +807,7 @@ SINT64 query_performance_counter()
 	return counter.QuadPart;
 #elif defined(HAVE_CLOCK_GETTIME)
 
-	// Use high-resultion clock
+	// Use high-resolution clock
 	struct timespec tp;
 	if (clock_gettime(CLOCK_REALTIME, &tp) != 0)
 		return 0;

src/gpre/boot/gpre_meta_boot.cpp

@@ -683,6 +683,11 @@ public:
 		return FB_MASTER_VERSION;
 	}
 
+	virtual IPluginModule* FB_CARG getModule()
+	{
+		return NULL;
+	}
+
 	virtual IStatus* FB_CARG getStatus()
 	{
 		fb_assert(false);
@@ -697,12 +702,12 @@ public:
 
 	virtual IPluginManager* FB_CARG getPluginManager()
 	{
-		fb_assert(false);
+		//fb_assert(false);
 		return NULL;
 	}
 
 	virtual int FB_CARG upgradeInterface(IVersioned* /*toUpgrade*/, int /*desiredVersion*/,
-										 void* /*missingFunctionClass*/)
+										 struct UpgradeInfo* /*upInfo*/)
 	{
 		fb_assert(false);
 		return 0;

src/include/firebird/ExternalEngine.h

@@ -33,6 +33,7 @@
 #include "./Plugin.h"
 #include "./Provider.h"
 
+#include "firebird.h" //// FIXME:
 
 namespace Firebird {
 

src/include/firebird/Interface.h

@@ -39,14 +39,18 @@
 
 namespace Firebird {
 
+// Forward declaration - used to identify client and provider of upgraded interface
+class IPluginModule;
+
 // Versioned interface - base for all FB interfaces
 class IVersioned
 {
 public:
 	virtual int FB_CARG getVersion() = 0;
+	virtual IPluginModule* getModule() = 0;
 };
 // If this is changed, types of all interfaces must be changed
-#define FB_VERSIONED_VERSION 1
+#define FB_VERSIONED_VERSION 2
 
 // Reference counted interface - base for refCounted FB interfaces
 class IRefCounted : public IVersioned
@@ -89,6 +93,12 @@ class IAttachment;
 class ITransaction;
 class IDtc;
 
+struct UpgradeInfo
+{
+	void* missingFunctionClass;
+	IPluginModule* clientModule;
+};
+
 // Master interface is used to access almost all other interfaces.
 class IMaster : public IVersioned
 {
@@ -96,7 +106,8 @@ public:
 	virtual IStatus* FB_CARG getStatus() = 0;
 	virtual IProvider* FB_CARG getDispatcher() = 0;
 	virtual IPluginManager* FB_CARG getPluginManager() = 0;
-	virtual int FB_CARG upgradeInterface(IVersioned* toUpgrade, int desiredVersion, void* missingFunctionClass) = 0;
+	virtual int FB_CARG upgradeInterface(IVersioned* toUpgrade, int desiredVersion,
+										 struct UpgradeInfo* upgradeInfo) = 0;
 	virtual const char* FB_CARG circularAlloc(const char* s, size_t len, intptr_t thr) = 0;
 	virtual ITimerControl* FB_CARG getTimerControl() = 0;
 	virtual IDtc* FB_CARG getDtc() = 0;

src/include/firebird/Plugin.h

@@ -187,7 +187,7 @@ public:
 	// If caller already has an interface for firebird.conf, it may be passed here
 	// If parameter is missing, plugins will get access to default (non database specific) config
 	virtual IPluginSet* FB_CARG getPlugins(unsigned int interfaceType, const char* namesList,
-										   int desiredVersion, void* missingFunctionClass,
+										   int desiredVersion, UpgradeInfo* ui,
 										   IFirebirdConf* firebirdConf) = 0;
 	// Get generic config interface for given file
 	virtual IConfig* FB_CARG getConfig(const char* filename) = 0;

src/include/firebird/Provider.h

@@ -29,7 +29,6 @@
 #ifndef FB_PROVIDER_INTERFACE
 #define FB_PROVIDER_INTERFACE
 
-#include "firebird.h"	//// FIXME:
 #include "./Plugin.h"
 
 namespace Firebird {

src/include/gen/codetext.h

@@ -726,6 +726,7 @@ static const struct {
 	{"cannot_copy_stmt", 335545022},
 	{"invalid_boolean_usage", 335545023},
 	{"sysf_argscant_both_be_zero", 335545024},
+	{"spb_no_id", 335545025},
 	{"gfix_db_name", 335740929},
 	{"gfix_invalid_sw", 335740930},
 	{"gfix_incmp_sw", 335740932},

src/include/gen/iberror.h

@@ -760,6 +760,7 @@ const ISC_STATUS isc_bad_events_handle                = 335545021L;
 const ISC_STATUS isc_cannot_copy_stmt                 = 335545022L;
 const ISC_STATUS isc_invalid_boolean_usage            = 335545023L;
 const ISC_STATUS isc_sysf_argscant_both_be_zero       = 335545024L;
+const ISC_STATUS isc_spb_no_id                        = 335545025L;
 const ISC_STATUS isc_gfix_db_name                     = 335740929L;
 const ISC_STATUS isc_gfix_invalid_sw                  = 335740930L;
 const ISC_STATUS isc_gfix_incmp_sw                    = 335740932L;
@@ -1179,7 +1180,7 @@ const ISC_STATUS isc_trace_switch_user_only           = 337182757L;
 const ISC_STATUS isc_trace_switch_param_miss          = 337182758L;
 const ISC_STATUS isc_trace_param_act_notcompat        = 337182759L;
 const ISC_STATUS isc_trace_mandatory_switch_miss      = 337182760L;
-const ISC_STATUS isc_err_max                          = 1123;
+const ISC_STATUS isc_err_max                          = 1124;
 
 #else /* c definitions */
 
@@ -1909,6 +1910,7 @@ const ISC_STATUS isc_err_max                          = 1123;
 #define isc_cannot_copy_stmt                 335545022L
 #define isc_invalid_boolean_usage            335545023L
 #define isc_sysf_argscant_both_be_zero       335545024L
+#define isc_spb_no_id                        335545025L
 #define isc_gfix_db_name                     335740929L
 #define isc_gfix_invalid_sw                  335740930L
 #define isc_gfix_incmp_sw                    335740932L
@@ -2328,7 +2330,7 @@ const ISC_STATUS isc_err_max                          = 1123;
 #define isc_trace_switch_param_miss          337182758L
 #define isc_trace_param_act_notcompat        337182759L
 #define isc_trace_mandatory_switch_miss      337182760L
-#define isc_err_max                          1123
+#define isc_err_max                          1124
 
 #endif
 

src/include/gen/msgs.h

@@ -729,6 +729,7 @@ Data source : @4"},		/* eds_statement */
 	{335545022, "Cannot copy statement @1"},		/* cannot_copy_stmt */
 	{335545023, "Invalid usage of boolean expression"},		/* invalid_boolean_usage */
 	{335545024, "Arguments for @1 cannot both be zero"},		/* sysf_argscant_both_be_zero */
+	{335545025, "missing service ID in spb"},		/* spb_no_id */
 	{335740929, "data base file name (@1) already given"},		/* gfix_db_name */
 	{335740930, "invalid switch @1"},		/* gfix_invalid_sw */
 	{335740932, "incompatible switch combination"},		/* gfix_incmp_sw */

src/include/gen/sql_code.h

@@ -725,6 +725,7 @@ static const struct {
 	{335545022, -104}, /* 702 cannot_copy_stmt */
 	{335545023, -104}, /* 703 invalid_boolean_usage */
 	{335545024, -833}, /* 704 sysf_argscant_both_be_zero */
+	{335545025, -901}, /* 705 spb_no_id */
 	{335740929, -901}, /*   1 gfix_db_name */
 	{335740930, -901}, /*   2 gfix_invalid_sw */
 	{335740932, -901}, /*   4 gfix_incmp_sw */

src/include/gen/sql_state.h

@@ -725,6 +725,7 @@ static const struct {
 	{335545022, "XX000"}, // 702 cannot_copy_stmt
 	{335545023, "22000"}, // 703 invalid_boolean_usage
 	{335545024, "42000"}, // 704 sysf_argscant_both_be_zero
+	{335545025, "HY000"}, // 705 spb_no_id
 	{335740929, "00000"}, //   1 gfix_db_name
 	{335740930, "00000"}, //   2 gfix_invalid_sw
 	{335740932, "00000"}, //   4 gfix_incmp_sw

src/jrd/ExtEngineManager.cpp

@@ -58,6 +58,7 @@ using namespace Firebird;
 
 namespace Jrd {
 
+MakeUpgradeInfo<> upInfo;
 
 template <typename T> class ExtEngineManager::ContextManager
 {
@@ -826,7 +827,7 @@ ExternalEngine* ExtEngineManager::getEngine(thread_db* tdbb, const MetaName& nam
 		if (!engines.get(name, engine))
 		{
 			GetPlugins<ExternalEngine> engineControl(PluginType::ExternalEngine,
-				FB_EXTERNAL_ENGINE_VERSION, name.c_str());
+				FB_EXTERNAL_ENGINE_VERSION, upInfo, name.c_str());
 
 			if (engineControl.hasData())
 			{

src/jrd/UserManagement.cpp

@@ -36,6 +36,7 @@
 using namespace Jrd;
 using namespace Firebird;
 
+static MakeUpgradeInfo<> upInfo;
 
 const Format* UsersTableScan::getFormat(thread_db* tdbb, jrd_rel* relation) const
 {
@@ -212,6 +213,7 @@ void UserManagement::execute(USHORT id)
 
 void UserManagement::Display::list(Auth::IUser* u)
 {
+	MasterInterfacePtr()->upgradeInterface(u, FB_AUTH_USER_VERSION, upInfo);
 	userManagement->list(u);
 }
 

src/jrd/jrd.cpp

@@ -296,8 +296,6 @@ int JProvider::release()
 }
 
 
-static UnloadDetector unloadDetector;
-
 static void shutdownBeforeUnload()
 {
 	LocalStatus status;
@@ -310,7 +308,7 @@ public:
 	// IPluginFactory implementation
 	IPluginBase* FB_CARG createPlugin(IPluginConfig* factoryParameter)
 	{
-		if (unloadDetector->unloadStarted())
+		if (myModule->unloadStarted())
 		{
 			return NULL;
 		}
@@ -325,9 +323,9 @@ static Static<EngineFactory> engineFactory;
 
 void registerEngine(IPluginManager* iPlugin)
 {
-	unloadDetector->setCleanup(shutdownBeforeUnload);
+	myModule->setCleanup(shutdownBeforeUnload);
 	iPlugin->registerPluginFactory(PluginType::Provider, "Engine12", &engineFactory);
-	iPlugin->registerModule(&unloadDetector);
+	iPlugin->registerModule(&myModule);
 }
 
 } // namespace Jrd

src/jrd/svc.cpp

@@ -1890,6 +1890,10 @@ void Service::start(USHORT spb_length, const UCHAR* spb_data)
 	ClumpletReader spb(ClumpletReader::SpbStart, spb_data, spb_length);
 
 	// The name of the service is the first element of the buffer
+	if (spb.isEof())
+	{
+		status_exception::raise(Arg::Gds(isc_service_att_err) << Arg::Gds(isc_spb_no_id));
+	}
 	const UCHAR svc_id = spb.getClumpTag();
 	const serv_entry* serv;
 	for (serv = services; serv->serv_action; serv++)

src/jrd/trace/TraceManager.cpp

@@ -64,6 +64,9 @@ namespace
 			return 1;
 		}
 	};
+
+	MakeUpgradeInfo<IgnoreMissing> upgradePlugin;
+	MakeUpgradeInfo<> upgradeFactory;
 }
 
 namespace Jrd {
@@ -156,7 +159,7 @@ void TraceManager::load_plugins()
 	init_factories = true;
 
 	factories = FB_NEW(*getDefaultMemoryPool()) TraceManager::Factories(*getDefaultMemoryPool());
-	for (GetPlugins<TraceFactory, IgnoreMissing> traceItr(PluginType::Trace, FB_TRACE_PLUGIN_VERSION);
+	for (GetPlugins<TraceFactory> traceItr(PluginType::Trace, FB_TRACE_FACTORY_VERSION, upgradeFactory);
 		 traceItr.hasData(); traceItr.next())
 	{
 		FactoryInfo info;
@@ -259,6 +262,8 @@ void TraceManager::update_session(const TraceSession& session)
 		}
 	}
 
+	MasterInterfacePtr master;
+
 	for (FactoryInfo* info = factories->begin(); info != factories->end(); ++info)
 	{
 		TraceInitInfoImpl attachInfo(session, attachment, filename);
@@ -267,6 +272,8 @@ void TraceManager::update_session(const TraceSession& session)
 
 		if (plugin)
 		{
+			master->upgradeInterface(plugin, FB_TRACE_PLUGIN_VERSION, upgradePlugin);
+
 			plugin->addRef();
 			SessionInfo sesInfo;
 			sesInfo.plugin = plugin;

src/msgs/facilities2.sql

@@ -1,7 +1,7 @@
 /* MAX_NUMBER is the next number to be used, always one more than the highest message number. */
 set bulk_insert INSERT INTO FACILITIES (LAST_CHANGE, FACILITY, FAC_CODE, MAX_NUMBER) VALUES (?, ?, ?, ?);
 --
-('2011-02-02 12:45:00', 'JRD', 0, 705)
+('2011-06-10 16:23:31', 'JRD', 0, 706)
 ('2010-03-15 06:59:09', 'QLI', 1, 531)
 --
 --('2008-11-28 20:27:04', 'GDEF', 2, 346)

src/msgs/messages2.sql

@@ -812,6 +812,7 @@ Data source : @4', NULL, NULL)
 ('cannot_copy_stmt', NULL, NULL, NULL, 0, 702, NULL, 'Cannot copy statement @1', NULL, NULL);
 ('invalid_boolean_usage', NULL, NULL, NULL, 0, 703, NULL, 'Invalid usage of boolean expression', NULL, NULL);
 ('sysf_argscant_both_be_zero', 'evlAtan2', 'SysFunction.cpp', NULL, 0, 704, NULL, 'Arguments for @1 cannot both be zero', NULL, NULL)
+('spb_no_id', 'Service::start', 'svc.c', NULL, 0, 705, NULL, 'missing service ID in spb', NULL, NULL);
 -- QLI
 (NULL, NULL, NULL, NULL, 1, 0, NULL, 'expected type', NULL, NULL);
 (NULL, NULL, NULL, NULL, 1, 1, NULL, 'bad block type', NULL, NULL);

src/msgs/system_errors2.sql

@@ -710,6 +710,7 @@ set bulk_insert INSERT INTO SYSTEM_ERRORS (SQL_CODE, SQL_CLASS, SQL_SUBCLASS, FA
 (-104, 'XX', '000', 0, 702, 'cannot_copy_stmt', NULL, NULL)
 (-104, '22', '000', 0, 703, 'invalid_boolean_usage', NULL, NULL)
 (-833, '42', '000', 0, 704, 'sysf_argscant_both_be_zero', NULL, NULL)
+(-901, 'HY', '000', 0, 705, 'spb_no_id', NULL, NULL)
 -- GFIX
 (-901, '00', '000', 3, 1, 'gfix_db_name', NULL, NULL)
 (-901, '00', '000', 3, 2, 'gfix_invalid_sw', NULL, NULL)

src/plugins/udr_engine/UdrEngine.cpp

@@ -754,13 +754,12 @@ public:
 class ExternalEngineFactoryImpl : public SimpleFactory<Engine>
 {
 } factory;
-static Firebird::UnloadDetector unloadDetector;
 
 extern "C" void FB_PLUGIN_ENTRY_POINT(Firebird::IMaster* master)
 {
 	PluginManagerInterfacePtr pi;
 	pi->registerPluginFactory(PluginType::ExternalEngine, "UDR", &factory);
-	pi->registerModule(&unloadDetector);
+	pi->registerModule(&myModule);
 
 	libraryName->assign("fbclient");
 	ModuleLoader::doctorModuleExtension(libraryName);

src/remote/client/interface.cpp

@@ -5779,6 +5779,7 @@ static void info(IStatus* status,
 	response->p_resp_data = temp;
 }
 
+static MakeUpgradeInfo<> upInfo;
 
 static void init(IStatus* status,
 				 rem_port* port,
@@ -5808,7 +5809,7 @@ static void init(IStatus* status,
 	// Let plugins try to add data to DPB in order to avoid extra network roundtrip
 	Auth::DpbImplementation di(dpb);
 	LocalStatus s;
-	GetPlugins<Auth::IClient> authItr(PluginType::AuthClient, FB_AUTH_CLIENT_VERSION);
+	GetPlugins<Auth::IClient> authItr(PluginType::AuthClient, FB_AUTH_CLIENT_VERSION, upInfo);
 
 	bool working = true;
 

src/remote/server/server.cpp

@@ -217,6 +217,8 @@ public:
 GlobalPtr<FailedLogins> usernameFailedLogins;
 GlobalPtr<FailedLogins> remoteFailedLogins;
 
+MakeUpgradeInfo<> upInfo;
+
 // delayed authentication block for auth callback
 class ServerAuth : public GlobalStorage, public ServerAuthBase
 {
@@ -231,7 +233,7 @@ public:
 		  wrt(getPool(), op == op_service_attach ? ClumpletReader::spbList : ClumpletReader::dpbList,
 		  	  MAX_DPB_SIZE, pb, pbLen),
 		  authBlockInterface(op == op_service_attach),
-		  authItr(PluginType::AuthServer, FB_AUTH_SERVER_VERSION, config),
+		  authItr(PluginType::AuthServer, FB_AUTH_SERVER_VERSION, upInfo, config),
 		  remoteId(getPool()), userName(getPool()), authServer(NULL),
 		  part2(p2), operation(op)
 	{

src/utilities/ntrace/TracePluginImpl.cpp

@@ -38,12 +38,14 @@
 #include "../../common/os/path_utils.h"
 #include "../../jrd/inf_pub.h"
 #include "../../dsql/sqlda_pub.h"
+#include "../common/classes/ImplementHelper.h"
 
 
 using namespace Firebird;
 using namespace Jrd;
 
 static const char* const DEFAULT_LOG_NAME = "default_trace.log";
+static MakeUpgradeInfo<> upInfo;
 
 #ifdef WIN_NT
 #define NEWLINE "\r\n"
@@ -89,6 +91,7 @@ TracePluginImpl::TracePluginImpl(const TracePluginConfig &configuration, TraceIn
 	services(getDefaultMemoryPool()),
 	unicodeCollation(*getDefaultMemoryPool())
 {
+	MasterInterfacePtr()->upgradeInterface(logWriter, FB_TRACE_LOG_WRITER_VERSION, upInfo);
 	const char* ses_name = initInfo->getTraceSessionName();
 	session_name = ses_name && *ses_name ? ses_name : " ";
 
@@ -1937,6 +1940,8 @@ ntrace_boolean_t TracePluginImpl::trace_attach(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+
 		log_event_attach(connection, create_db, att_result);
 		return true;
 	}
@@ -1951,6 +1956,8 @@ ntrace_boolean_t TracePluginImpl::trace_detach(TraceConnection* connection, ntra
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+
 		log_event_detach(connection, drop_db);
 		return true;
 	}
@@ -1967,6 +1974,10 @@ ntrace_boolean_t TracePluginImpl::trace_transaction_start(TraceConnection* conne
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+
 		log_event_transaction_start(connection, transaction, tpb_length, tpb, tra_result);
 		return true;
 	}
@@ -1982,6 +1993,10 @@ ntrace_boolean_t TracePluginImpl::trace_transaction_end(TraceConnection* connect
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+
 		log_event_transaction_end(connection, transaction, commit, retain_context, tra_result);
 		return true;
 	}
@@ -1998,6 +2013,11 @@ ntrace_boolean_t TracePluginImpl::trace_set_context(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(variable, FB_TRACE_CONTEXT_VARIABLE_VERSION, upInfo);
+
 		log_event_set_context(connection, transaction, variable);
 		return true;
 	}
@@ -2015,6 +2035,11 @@ ntrace_boolean_t TracePluginImpl::trace_proc_execute(TraceConnection* connection
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(procedure, FB_TRACE_PROCEDURE_VERSION, upInfo);
+
 		log_event_proc_execute(connection, transaction, procedure, started, proc_result);
 		return true;
 	}
@@ -2031,6 +2056,11 @@ ntrace_boolean_t TracePluginImpl::trace_trigger_execute(TraceConnection* connect
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(trigger, FB_TRACE_TRIGGER_VERSION, upInfo);
+
 		log_event_trigger_execute(connection, transaction, trigger, started, trig_result);
 		return true;
 	}
@@ -2048,6 +2078,11 @@ ntrace_boolean_t TracePluginImpl::trace_dsql_prepare(TraceConnection* connection
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(statement, FB_TRACE_SQL_STATEMENT_VERSION, upInfo);
+
 		log_event_dsql_prepare(connection, transaction, statement, time_millis, req_result);
 		return true;
 	}
@@ -2063,6 +2098,10 @@ ntrace_boolean_t TracePluginImpl::trace_dsql_free(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(statement, FB_TRACE_SQL_STATEMENT_VERSION, upInfo);
+
 		log_event_dsql_free(connection, statement, option);
 		return true;
 	}
@@ -2079,6 +2118,11 @@ ntrace_boolean_t TracePluginImpl::trace_dsql_execute(TraceConnection* connection
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(statement, FB_TRACE_SQL_STATEMENT_VERSION, upInfo);
+
 		log_event_dsql_execute(connection, transaction, statement, started, req_result);
 		return true;
 	}
@@ -2096,6 +2140,11 @@ ntrace_boolean_t TracePluginImpl::trace_blr_compile(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(statement, FB_TRACE_BLR_STATEMENT_VERSION, upInfo);
+
 		log_event_blr_compile(connection, transaction, statement, time_millis, req_result);
 		return true;
 	}
@@ -2111,6 +2160,11 @@ ntrace_boolean_t TracePluginImpl::trace_blr_execute(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(statement, FB_TRACE_BLR_STATEMENT_VERSION, upInfo);
+
 		log_event_blr_execute(connection, transaction, statement, req_result);
 		return true;
 	}
@@ -2127,6 +2181,11 @@ ntrace_boolean_t TracePluginImpl::trace_dyn_execute(TraceConnection* connection,
 {
 	try
 	{
+		MasterInterfacePtr master;
+		master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		master->upgradeInterface(transaction, FB_TRACE_TRANSACTION_VERSION, upInfo);
+		master->upgradeInterface(request, FB_TRACE_DYN_REQUEST_VERSION, upInfo);
+
 		log_event_dyn_execute(connection, transaction, request, time_millis, req_result);
 		return true;
 	}
@@ -2142,6 +2201,7 @@ ntrace_boolean_t TracePluginImpl::trace_service_attach(TraceService* service, nt
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(service, FB_TRACE_SERVICE_VERSION, upInfo);
 		log_event_service_attach(service, att_result);
 		return true;
 	}
@@ -2157,6 +2217,7 @@ ntrace_boolean_t TracePluginImpl::trace_service_start(TraceService* service, siz
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(service, FB_TRACE_SERVICE_VERSION, upInfo);
 		log_event_service_start(service, switches_length, switches, start_result);
 		return true;
 	}
@@ -2173,6 +2234,7 @@ ntrace_boolean_t TracePluginImpl::trace_service_query(TraceService* service, siz
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(service, FB_TRACE_SERVICE_VERSION, upInfo);
 		log_event_service_query(service, send_item_length, send_items,
 								recv_item_length, recv_items, query_result);
 		return true;
@@ -2189,6 +2251,7 @@ ntrace_boolean_t TracePluginImpl::trace_service_detach(TraceService* service, nt
 {
 	try
 	{
+		MasterInterfacePtr()->upgradeInterface(service, FB_TRACE_SERVICE_VERSION, upInfo);
 		log_event_service_detach(service, detach_result);
 		return true;
 	}

src/utilities/ntrace/traceplugin.cpp

@@ -26,6 +26,8 @@
  *  2008 Khorsun Vladyslav
  */
 
+#include "../common/classes/ImplementHelper.h"
+
 #include "TraceConfiguration.h"
 #include "TracePluginImpl.h"
 
@@ -51,6 +53,8 @@ int FB_CARG TraceFactoryImpl::release()
 	return 1;
 }
 
+static Firebird::MakeUpgradeInfo<> upInfo;
+
 ntrace_mask_t FB_CARG TraceFactoryImpl::trace_needs()
 {
 	return (1 << TRACE_EVENT_MAX) - 1;
@@ -58,9 +62,12 @@ ntrace_mask_t FB_CARG TraceFactoryImpl::trace_needs()
 
 TracePlugin* FB_CARG TraceFactoryImpl::trace_create(Firebird::IStatus* status, TraceInitInfo* initInfo)
 {
+	Firebird::MasterInterfacePtr master;
 	const char* dbname = NULL;
 	try
 	{
+		master->upgradeInterface(initInfo, FB_TRACE_INIT_INFO_VERSION, upInfo);
+
 		dbname = initInfo->getDatabaseName();
 		if (!dbname)
 			dbname = "";
@@ -69,6 +76,11 @@ TracePlugin* FB_CARG TraceFactoryImpl::trace_create(Firebird::IStatus* status, T
 		TraceCfgReader::readTraceConfiguration(initInfo->getConfigText(), dbname, config);
 
 		TraceConnection* connection = initInfo->getConnection();
+		if (connection)
+		{
+			master->upgradeInterface(connection, FB_TRACE_CONNECTION_VERSION, upInfo);
+		}
+
 		if (!config.enabled ||
 			(config.connection_id && connection &&
 				(connection->getConnectionID() != SLONG(config.connection_id))))
@@ -90,6 +102,7 @@ TracePlugin* FB_CARG TraceFactoryImpl::trace_create(Firebird::IStatus* status, T
 		TraceLogWriter* logWriter = initInfo->getLogWriter();
 		if (logWriter)
 		{
+			master->upgradeInterface(logWriter, FB_TRACE_LOG_WRITER_VERSION, upInfo);
 			const char* strEx = TracePluginImpl::marshal_exception(ex);
 			Firebird::string err;
 			if (dbname)
@@ -111,12 +124,11 @@ TracePlugin* FB_CARG TraceFactoryImpl::trace_create(Firebird::IStatus* status, T
 
 
 static Firebird::SimpleFactory<TraceFactoryImpl> traceFactory;
-static Firebird::UnloadDetector unloadDetector;
 
 void registerTrace(Firebird::IPluginManager* iPlugin)
 {
 	iPlugin->registerPluginFactory(Firebird::PluginType::Trace, "fbtrace", &traceFactory);
-	iPlugin->registerModule(&unloadDetector);
+	iPlugin->registerModule(&Firebird::myModule);
 }
 
 

src/yvalve/MasterImplementation.cpp

@@ -30,6 +30,8 @@
 #include "firebird/Interface.h"
 #include "firebird/Timer.h"
 
+#include <string.h>
+
 #include "../yvalve/MasterImplementation.h"
 #include "../common/classes/init.h"
 #include "../common/StatusHolder.h"
@@ -113,14 +115,50 @@ namespace
 		FunctionPtr* vTab;
 	};
 
-	typedef Firebird::Pair<Firebird::NonPooled<U_IPTR, FunctionPtr*> > FunctionPair;
+	class UpgradeKey
+	{
+	public:
+		UpgradeKey(FunctionPtr* aFunc, IPluginModule* aModuleA, IPluginModule* aModuleB)
+			: func(aFunc), moduleA(aModuleA), moduleB(aModuleB)
+		{ }
+
+		UpgradeKey(const UpgradeKey& el)
+			: func(el.func), moduleA(el.moduleA), moduleB(el.moduleB)
+		{ }
+
+		UpgradeKey()
+			: func(NULL), moduleA(NULL), moduleB(NULL)
+		{ }
+
+		bool operator<(const UpgradeKey& el) const
+		{
+			return memcmp(this, &el, sizeof(UpgradeKey)) < 0;
+		}
+
+		bool operator>(const UpgradeKey& el) const
+		{
+			return memcmp(this, &el, sizeof(UpgradeKey)) > 0;
+		}
+
+		bool contains(IPluginModule* module)
+		{
+			return moduleA == module || moduleB == module;
+		}
+
+	private:
+		FunctionPtr* func;
+		IPluginModule* moduleA;
+		IPluginModule* moduleB;
+	};
+
+	typedef Firebird::Pair<Firebird::NonPooled<UpgradeKey, FunctionPtr*> > FunctionPair;
 	GlobalPtr<GenericMap<FunctionPair> > functionMap;
 	GlobalPtr<RWLock> mapLock;
 }
 
 int FB_CARG MasterImplementation::upgradeInterface(IVersioned* toUpgrade,
 												   int desiredVersion,
-												   void* missingFunctionClass)
+												   struct UpgradeInfo* upgradeInfo)
 {
 	int existingVersion = toUpgrade->getVersion();
 
@@ -132,9 +170,11 @@ int FB_CARG MasterImplementation::upgradeInterface(IVersioned* toUpgrade,
 	{
 		CVirtualClass* target = (CVirtualClass*) toUpgrade;
 
+		UpgradeKey key(target->vTab, toUpgrade->getModule(), upgradeInfo->clientModule);
+
 		{ // sync scope
 			ReadLockGuard sync(mapLock);
-			if (functionMap->get((U_IPTR) target->vTab, newTab))
+			if (functionMap->get(key, newTab))
 			{
 				target->vTab = newTab;
 				return 0;
@@ -143,9 +183,9 @@ int FB_CARG MasterImplementation::upgradeInterface(IVersioned* toUpgrade,
 
 		WriteLockGuard sync(mapLock);
 
-		if (!functionMap->get((U_IPTR) target->vTab, newTab))
+		if (!functionMap->get(key, newTab))
 		{
-			CVirtualClass* miss = (CVirtualClass*) missingFunctionClass;
+			CVirtualClass* miss = (CVirtualClass*) (upgradeInfo->missingFunctionClass);
 			newTab = FB_NEW(*getDefaultMemoryPool()) FunctionPtr[desiredVersion];
 
 			for (int i = 0; i < desiredVersion; ++i)
@@ -153,7 +193,7 @@ int FB_CARG MasterImplementation::upgradeInterface(IVersioned* toUpgrade,
 				newTab[i] = i < existingVersion ? target->vTab[i] : miss->vTab[0];
 			}
 
-			functionMap->put((U_IPTR) target->vTab, newTab);
+			functionMap->put(key, newTab);
 		}
 
 		target->vTab = newTab;
@@ -173,6 +213,29 @@ int FB_CARG MasterImplementation::upgradeInterface(IVersioned* toUpgrade,
 	return 0;
 }
 
+void releaseUpgradeTabs(IPluginModule* module)
+{
+	HalfStaticArray<UpgradeKey, 16> removeList;
+
+	WriteLockGuard sync(mapLock);
+
+	GenericMap<FunctionPair>::Accessor scan(&functionMap);
+	if (scan.getFirst()) do
+	{
+		UpgradeKey& cur(scan.current()->first);
+		if (cur.contains(module))
+		{
+			removeList.add(cur);
+		}
+	}
+	while (scan.getNext());
+
+	for(unsigned int i = 0; i < removeList.getCount(); ++i)
+	{
+		functionMap->remove(removeList[i]);
+	}
+}
+
 } // namespace Why
 
 //
@@ -415,7 +478,7 @@ void TimerEntry::cleanup()
 
 TimerDelay curTime()
 {
-	return fb_utils::query_performance_counter() / fb_utils::query_performance_frequency();
+	return fb_utils::query_performance_counter() / (fb_utils::query_performance_frequency() / 1000000);
 }
 
 TimerEntry* getTimer(ITimer* timer)

src/yvalve/MasterImplementation.h

@@ -57,7 +57,8 @@ namespace Why
 		Firebird::IStatus* FB_CARG getStatus();
 		Firebird::IProvider* FB_CARG getDispatcher();
 		Firebird::IPluginManager* FB_CARG getPluginManager();
-		int FB_CARG upgradeInterface(Firebird::IVersioned* toUpgrade, int desiredVersion, void* missingFunctionClass);
+		int FB_CARG upgradeInterface(Firebird::IVersioned* toUpgrade, int desiredVersion,
+									 Firebird::UpgradeInfo* upgradeInfo);
 		const char* FB_CARG circularAlloc(const char* s, size_t len, intptr_t thr);
 		Firebird::ITimerControl* FB_CARG getTimerControl();
 		Firebird::IAttachment* registerAttachment(Firebird::IProvider* provider,
@@ -68,6 +69,7 @@ namespace Why
 	};
 
 	void shutdownTimers();
+	void releaseUpgradeTabs(Firebird::IPluginModule* module);
 } // namespace Why
 
 #endif // YVALVE_MASTER_IMPLEMENTATION_H

src/yvalve/PluginManager.cpp

@@ -24,6 +24,7 @@
 #include "consts_pub.h"
 #include "iberror.h"
 #include "../yvalve/PluginManager.h"
+#include "../yvalve/MasterImplementation.h"
 
 #include "../dsql/sqlda_pub.h"
 #include "../yvalve/why_proto.h"
@@ -344,6 +345,7 @@ namespace
 			if (cleanup)
 			{
 				cleanup->doClean();
+				Why::releaseUpgradeTabs(cleanup);
 			}
 		}
 
@@ -442,6 +444,11 @@ namespace
 
 		~ConfiguredPlugin();
 
+		const char* getPlugName()
+		{
+			return plugName.c_str();
+		}
+
 		// ITimer implementation
 		void FB_CARG handler()
 		{ }
@@ -501,6 +508,9 @@ namespace
 	private:
 		~FactoryParameter()
 		{
+#ifdef DEBUG_PLUGINS
+			fprintf(stderr, "~FactoryParameter places configuredPlugin %s in unload query\n", configuredPlugin->getPlugName());
+#endif
 			TimerInterfacePtr()->start(configuredPlugin, 1000000);		// 1 sec
 		}
 
@@ -645,10 +655,10 @@ namespace
 		void FB_CARG next();
 
 		PluginSet(unsigned int pinterfaceType, const char* pnamesList,
-				  int pdesiredVersion, void* pmissingFunctionClass,
+				  int pdesiredVersion, UpgradeInfo* pui,
 				  IFirebirdConf* fbConf)
 			: interfaceType(pinterfaceType), namesList(getPool()),
-			  desiredVersion(pdesiredVersion), missingFunctionClass(pmissingFunctionClass),
+			  desiredVersion(pdesiredVersion), ui(pui),
 			  currentName(getPool()), currentPlugin(NULL),
 			  firebirdConf(fbConf)
 		{
@@ -672,7 +682,7 @@ namespace
 		unsigned int interfaceType;
 		PathName namesList;
 		int desiredVersion;
-		void* missingFunctionClass;
+		UpgradeInfo* ui;
 
 		PathName currentName;
 		RefPtr<ConfiguredPlugin> currentPlugin;		// Missing data in this field indicates EOF
@@ -807,7 +817,7 @@ namespace
 			IPluginBase* p = currentPlugin->factory(firebirdConf);
 			if (p)
 			{
-				if (masterInterface->upgradeInterface(p, desiredVersion, missingFunctionClass) >= 0)
+				if (masterInterface->upgradeInterface(p, desiredVersion, ui) >= 0)
 				{
 					return p;
 				}
@@ -895,13 +905,13 @@ void FB_CARG PluginManager::unregisterModule(IPluginModule* cleanup)
 }
 
 IPluginSet* FB_CARG PluginManager::getPlugins(unsigned int interfaceType, const char* namesList,
-											  int desiredVersion, void* missingFunctionClass,
+											  int desiredVersion, UpgradeInfo* ui,
 											  IFirebirdConf* firebirdConf)
 {
 	MutexLockGuard g(plugins->mutex);
 
 	IPluginSet* rc = new PluginSet(interfaceType, namesList, desiredVersion,
-		missingFunctionClass, firebirdConf);
+		ui, firebirdConf);
 	rc->addRef();
 	return rc;
 }

src/yvalve/PluginManager.h

@@ -43,14 +43,14 @@ class PluginManager : public AutoIface<IPluginManager, FB_PLUGIN_MANAGER_VERSION
 public:
 	// IPluginManager implementation
 	IPluginSet* FB_CARG getPlugins(unsigned int interfaceType, const char* namesList,
-								   int desiredVersion, void* missingFunctionClass,
+								   int desiredVersion, UpgradeInfo* ui,
 								   IFirebirdConf* firebirdConf);
 	void FB_CARG registerPluginFactory(unsigned int interfaceType, const char* defaultName,
 								IPluginFactory* factory);
 	IConfig* FB_CARG getConfig(const char* filename);
 	void FB_CARG releasePlugin(IPluginBase* plugin);
-	void FB_CARG registerModule(IPluginModule* cleanup);
+	void FB_CARG registerModule(IPluginModule* module);
-	void FB_CARG unregisterModule(IPluginModule* cleanup);
+	void FB_CARG unregisterModule(IPluginModule* module);
 
 	PluginManager();
 

src/yvalve/YObjects.h

@@ -117,10 +117,7 @@ template <typename Impl, typename Intf, int Vers>
 class YHelper : public Firebird::StdPlugin<Intf, Vers>, public YObject
 {
 public:
-	YHelper(Intf* aNext) : next(aNext)
+	YHelper(Intf* aNext);
-	{
-		this->addRef();
-	}
 
 	int FB_CARG release()
 	{
@@ -426,7 +423,7 @@ public:
 	{
 		if (--refCounter == 0)
 		{
-			delete this;
+			//delete this;
 			return 0;
 		}
 

src/yvalve/why.cpp

@@ -557,10 +557,12 @@ namespace Why
 	public:
 		virtual void FB_CARG noEntrypoint(IStatus* s)
 		{
-			s->set(Arg::Gds(isc_unavailable).value());
+			s->set(Arg::Gds(isc_wish_list).value());
 		}
 	};
 
+	MakeUpgradeInfo<NoEntrypoint> upInfo;
+
 	template <typename T, typename CleanupRoutine>	// T = YAttachment or YTransaction
 	class CleanupCallbackImpl : public CleanupCallback
 	{
@@ -3269,6 +3271,13 @@ ITransaction* MasterImplementation::registerTransaction(IAttachment* attachment,
 	return new YTransaction(static_cast<YAttachment*>(attachment), transaction);
 }
 
+template <typename Impl, typename Intf, int Vers>
+YHelper<Impl, Intf, Vers>::YHelper(Intf* aNext)
+{
+	MasterInterfacePtr()->upgradeInterface(aNext, Vers, upInfo);
+	next = aNext;
+	this->addRef();
+}
 
 //-------------------------------------
 
@@ -4640,8 +4649,8 @@ YAttachment* Dispatcher::attachDatabase(IStatus* status, const char* filename,
 		RefPtr<Config> config;
 		ResolveDatabaseAlias(expandedFilename, dummy, &config);
 
-		for (GetPlugins<IProvider, NoEntrypoint> providerIterator(PluginType::Provider,
+		for (GetPlugins<IProvider> providerIterator(PluginType::Provider,
-				FB_PROVIDER_VERSION, config);
+				FB_PROVIDER_VERSION, upInfo, config);
 			 providerIterator.hasData();
 			 providerIterator.next())
 		{
@@ -4763,8 +4772,8 @@ YAttachment* Dispatcher::createDatabase(IStatus* status, const char* filename,
 		ResolveDatabaseAlias(expandedFilename, dummy, &config);
 		***/
 
-		for (GetPlugins<IProvider, NoEntrypoint> providerIterator(PluginType::Provider,
+		for (GetPlugins<IProvider> providerIterator(PluginType::Provider,
-				FB_PROVIDER_VERSION/***, config***/);
+				FB_PROVIDER_VERSION, upInfo/***, config***/);
 			 providerIterator.hasData();
 			 providerIterator.next())
 		{
@@ -4827,8 +4836,8 @@ YService* Dispatcher::attachServiceManager(IStatus* status, const char* serviceN
 
 		try
 		{
-			for (GetPlugins<IProvider, NoEntrypoint> providerIterator(PluginType::Provider,
+			for (GetPlugins<IProvider> providerIterator(PluginType::Provider,
-					FB_PROVIDER_VERSION);
+					FB_PROVIDER_VERSION, upInfo);
 				 providerIterator.hasData();
 				 providerIterator.next())
 			{
@@ -4916,8 +4925,8 @@ void Dispatcher::shutdown(IStatus* userStatus, unsigned int timeout, const int r
 		shutdownStarted = true;
 
 		// Shutdown providers (if any present).
-		for (GetPlugins<IProvider, NoEntrypoint> providerIterator(
+		for (GetPlugins<IProvider> providerIterator(PluginType::Provider,
-				PluginType::Provider, FB_PROVIDER_VERSION);
+				FB_PROVIDER_VERSION, upInfo);
 			 providerIterator.hasData();
 			 providerIterator.next())
 		{