end of dbx_mmap plugin: any attempt to open such a database not in read-only mode causes automatic import into mdbx format

2 files changed, 47 insertions, 7 deletions

diff --git a/plugins/Db3x_mmap/src/init.cpp b/plugins/Db3x_mmap/src/init.cpp
index 57b5c8fd52..c02e4bcd19 100644
--- a/plugins/Db3x_mmap/src/init.cpp
+++ b/plugins/Db3x_mmap/src/init.cpp
@@ -23,6 +23,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 

 #include "stdafx.h"

 

+EXTERN_C MIR_CORE_DLL(void) db_setCurrent(MIDatabase* _db);

+

 int hLangpack;

 

 static PLUGININFOEX pluginInfo =

@@ -46,13 +48,9 @@ LIST<CDb3Mmap> g_Dbs(1, HandleKeySortT);
 /////////////////////////////////////////////////////////////////////////////////////////

 

 // returns 0 if the profile is created, EMKPRF*

-static int makeDatabase(const wchar_t *profile)

+static int makeDatabase(const wchar_t*)

 {

-	std::auto_ptr<CDb3Mmap> db(new CDb3Mmap(profile, 0));

-	if (db->Create() != ERROR_SUCCESS)

-		return EMKPRF_CREATEFAILED;

-

-	return db->CreateDbHeaders(dbSignatureU);

+	return EMKPRF_CREATEFAILED;

 }

 

 // returns 0 if the given profile has a valid header

@@ -66,12 +64,52 @@ static int grokHeader(const wchar_t *profile)
 }

 

 // returns 0 if all the APIs are injected otherwise, 1

+#define CONVERT_MSG LPGEN("This database is in old format that isn't supported anymore. Press Yes to convert it to the new format or No to return back")

+#define MISSING_DB_MSG LPGEN("To open this database you need to install the dbx_mdbx plugin. Install it using Plugin Updater")

+#define MISSING_PLUG_MSG LPGEN("To open this database you need to install the Import plugin. Install it using Plugin Updater")

+

 static MDatabaseCommon* LoadDatabase(const wchar_t *profile, BOOL bReadOnly)

 {

 	// set the memory, lists & UTF8 manager

 	mir_getLP(&pluginInfo);

 

-	std::auto_ptr<CDb3Mmap> db(new CDb3Mmap(profile, (bReadOnly) ? DBMODE_READONLY : 0));

+	////////////////////////////////////////////////////////////////////////////////////////

+	// if not read only, convert the old profile to libmdbx

+	if (!bReadOnly) {

+		DATABASELINK *pLink = GetDatabasePlugin("dbx_mdbx");

+		if (pLink == nullptr) {

+			MessageBoxW(nullptr, TranslateT(MISSING_DB_MSG), L"Miranda NG", MB_OK);

+			return nullptr;

+		}

+

+		if (IDYES != MessageBoxW(nullptr, TranslateT(CONVERT_MSG), L"Miranda NG", MB_YESNOCANCEL))

+			return nullptr;

+

+		int errorCode;

+		CMStringW wszBackupName(profile);

+		wszBackupName.Append(L".bak");

+		if (!MoveFileExW(profile, wszBackupName, MOVEFILE_WRITE_THROUGH | MOVEFILE_REPLACE_EXISTING)) {

+			Netlib_LogfW(nullptr, L"Cannot move old profile '%s' to '%s': error %d", profile, wszBackupName.c_str(), GetLastError());

+			return nullptr;

+		}

+

+		if ((errorCode = pLink->makeDatabase(profile)) != 0) {

+			Netlib_LogfW(nullptr, L"Database creation '%s' failed with error code %d", profile, errorCode);

+LBL_Error: 

+			DeleteFileW(profile);

+			MoveFileW(wszBackupName, profile);

+			return nullptr;

+		}

+

+		if (SetServiceModePlugin(L"import") != SERVICE_ONLYDB) {

+			MessageBoxW(nullptr, TranslateT(MISSING_PLUG_MSG), L"Miranda NG", MB_OK);

+			goto LBL_Error;

+		}

+

+		return pLink->Load(profile, false);

+	}

+

+	std::auto_ptr<CDb3Mmap> db(new CDb3Mmap(profile, DBMODE_READONLY));

 	if (db->Load(false) != ERROR_SUCCESS)

 		return nullptr;

 

diff --git a/plugins/Db3x_mmap/src/stdafx.h b/plugins/Db3x_mmap/src/stdafx.h
index c8e69d0601..83f98baddd 100644
--- a/plugins/Db3x_mmap/src/stdafx.h
+++ b/plugins/Db3x_mmap/src/stdafx.h
@@ -45,6 +45,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <m_metacontacts.h>

 #include <m_protocols.h>

 #include <m_gui.h>

+#include <m_netlib.h>

+#include <m_import.h>

 

 #include "database.h"

 #include "dbintf.h"