From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- storage/mozStoragePrivateHelpers.cpp | 253 +++++++++++++++++++++++++++++++++++ 1 file changed, 253 insertions(+) create mode 100644 storage/mozStoragePrivateHelpers.cpp (limited to 'storage/mozStoragePrivateHelpers.cpp') diff --git a/storage/mozStoragePrivateHelpers.cpp b/storage/mozStoragePrivateHelpers.cpp new file mode 100644 index 0000000000..ffda8d51e8 --- /dev/null +++ b/storage/mozStoragePrivateHelpers.cpp @@ -0,0 +1,253 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "sqlite3.h" + +#include "jsfriendapi.h" + +#include "nsPrintfCString.h" +#include "nsString.h" +#include "nsError.h" +#include "mozilla/Mutex.h" +#include "mozilla/CondVar.h" +#include "nsQueryObject.h" +#include "nsThreadUtils.h" +#include "nsJSUtils.h" + +#include "Variant.h" +#include "mozStoragePrivateHelpers.h" +#include "mozIStorageCompletionCallback.h" + +#include "mozilla/Logging.h" +extern mozilla::LazyLogModule gStorageLog; + +namespace mozilla { +namespace storage { + +bool isErrorCode(int aSQLiteResultCode) { + // Drop off the extended result bits of the result code. + int rc = aSQLiteResultCode & 0xFF; + + return rc != SQLITE_OK && rc != SQLITE_ROW && rc != SQLITE_DONE; +} + +nsresult convertResultCode(int aSQLiteResultCode) { + // Drop off the extended result bits of the result code. + int rc = aSQLiteResultCode & 0xFF; + + switch (rc) { + case SQLITE_OK: + case SQLITE_ROW: + case SQLITE_DONE: + return NS_OK; + case SQLITE_CORRUPT: + case SQLITE_NOTADB: + return NS_ERROR_FILE_CORRUPTED; + case SQLITE_PERM: + case SQLITE_CANTOPEN: + return NS_ERROR_FILE_ACCESS_DENIED; + case SQLITE_BUSY: + return NS_ERROR_STORAGE_BUSY; + case SQLITE_LOCKED: + return NS_ERROR_FILE_IS_LOCKED; + case SQLITE_READONLY: + return NS_ERROR_FILE_READ_ONLY; + case SQLITE_IOERR: + return NS_ERROR_STORAGE_IOERR; + case SQLITE_FULL: + case SQLITE_TOOBIG: + return NS_ERROR_FILE_NO_DEVICE_SPACE; + case SQLITE_NOMEM: + return NS_ERROR_OUT_OF_MEMORY; + case SQLITE_MISUSE: + return NS_ERROR_UNEXPECTED; + case SQLITE_ABORT: + case SQLITE_INTERRUPT: + return NS_ERROR_ABORT; + case SQLITE_CONSTRAINT: + return NS_ERROR_STORAGE_CONSTRAINT; + } + + // generic error +#ifdef DEBUG + nsAutoCString message; + message.AppendLiteral("SQLite returned error code "); + message.AppendInt(rc); + message.AppendLiteral(" , Storage will convert it to NS_ERROR_FAILURE"); + NS_WARNING_ASSERTION(rc == SQLITE_ERROR, message.get()); +#endif + return NS_ERROR_FAILURE; +} + +void checkAndLogStatementPerformance(sqlite3_stmt* aStatement) { + // Check to see if the query performed sorting operations or not. If it + // did, it may need to be optimized! + int count = ::sqlite3_stmt_status(aStatement, SQLITE_STMTSTATUS_SORT, 1); + if (count <= 0) return; + + const char* sql = ::sqlite3_sql(aStatement); + + // Check to see if this is marked to not warn + if (::strstr(sql, "/* do not warn (bug ")) return; + + // CREATE INDEX always sorts (sorting is a necessary step in creating + // an index). So ignore the warning there. + if (::strstr(sql, "CREATE INDEX") || ::strstr(sql, "CREATE UNIQUE INDEX")) + return; + + nsAutoCString message("Suboptimal indexes for the SQL statement "); +#ifdef MOZ_STORAGE_SORTWARNING_SQL_DUMP + message.Append('`'); + message.Append(sql); + message.AppendLiteral("` ["); + message.AppendInt(count); + message.AppendLiteral(" sort operation(s)]"); +#else + nsPrintfCString address("0x%p", aStatement); + message.Append(address); +#endif + message.AppendLiteral(" (http://mzl.la/1FuID0j)."); + NS_WARNING(message.get()); +} + +nsIVariant* convertJSValToVariant(JSContext* aCtx, const JS::Value& aValue) { + if (aValue.isInt32()) return new IntegerVariant(aValue.toInt32()); + + if (aValue.isDouble()) return new FloatVariant(aValue.toDouble()); + + if (aValue.isString()) { + nsAutoJSString value; + if (!value.init(aCtx, aValue.toString())) return nullptr; + return new TextVariant(value); + } + + if (aValue.isBoolean()) return new IntegerVariant(aValue.isTrue() ? 1 : 0); + + if (aValue.isNull()) return new NullVariant(); + + if (aValue.isObject()) { + JS::Rooted obj(aCtx, &aValue.toObject()); + // We only support Date instances, all others fail. + bool valid; + if (!js::DateIsValid(aCtx, obj, &valid) || !valid) return nullptr; + + double msecd; + if (!js::DateGetMsecSinceEpoch(aCtx, obj, &msecd)) return nullptr; + + msecd *= 1000.0; + int64_t msec = msecd; + + return new IntegerVariant(msec); + } + + return nullptr; +} + +Variant_base* convertVariantToStorageVariant(nsIVariant* aVariant) { + RefPtr variant = do_QueryObject(aVariant); + if (variant) { + // JS helpers already convert the JS representation to a Storage Variant, + // in such a case there's nothing left to do here, so just pass-through. + return variant; + } + + if (!aVariant) return new NullVariant(); + + uint16_t dataType = aVariant->GetDataType(); + + switch (dataType) { + case nsIDataType::VTYPE_BOOL: + case nsIDataType::VTYPE_INT8: + case nsIDataType::VTYPE_INT16: + case nsIDataType::VTYPE_INT32: + case nsIDataType::VTYPE_UINT8: + case nsIDataType::VTYPE_UINT16: + case nsIDataType::VTYPE_UINT32: + case nsIDataType::VTYPE_INT64: + case nsIDataType::VTYPE_UINT64: { + int64_t v; + nsresult rv = aVariant->GetAsInt64(&v); + NS_ENSURE_SUCCESS(rv, nullptr); + return new IntegerVariant(v); + } + case nsIDataType::VTYPE_FLOAT: + case nsIDataType::VTYPE_DOUBLE: { + double v; + nsresult rv = aVariant->GetAsDouble(&v); + NS_ENSURE_SUCCESS(rv, nullptr); + return new FloatVariant(v); + } + case nsIDataType::VTYPE_CHAR: + case nsIDataType::VTYPE_CHAR_STR: + case nsIDataType::VTYPE_STRING_SIZE_IS: + case nsIDataType::VTYPE_UTF8STRING: + case nsIDataType::VTYPE_CSTRING: { + nsCString v; + nsresult rv = aVariant->GetAsAUTF8String(v); + NS_ENSURE_SUCCESS(rv, nullptr); + return new UTF8TextVariant(v); + } + case nsIDataType::VTYPE_WCHAR: + case nsIDataType::VTYPE_WCHAR_STR: + case nsIDataType::VTYPE_WSTRING_SIZE_IS: + case nsIDataType::VTYPE_ASTRING: { + nsString v; + nsresult rv = aVariant->GetAsAString(v); + NS_ENSURE_SUCCESS(rv, nullptr); + return new TextVariant(v); + } + case nsIDataType::VTYPE_ARRAY: { + uint16_t type; + nsIID iid; + uint32_t len; + void* rawArray; + // Note this copies the array data. + nsresult rv = aVariant->GetAsArray(&type, &iid, &len, &rawArray); + NS_ENSURE_SUCCESS(rv, nullptr); + if (type == nsIDataType::VTYPE_UINT8) { + std::pair v(static_cast(rawArray), len); + // Take ownership of the data avoiding a further copy. + return new AdoptedBlobVariant(v); + } + [[fallthrough]]; + } + case nsIDataType::VTYPE_EMPTY: + case nsIDataType::VTYPE_EMPTY_ARRAY: + case nsIDataType::VTYPE_VOID: + return new NullVariant(); + case nsIDataType::VTYPE_ID: + case nsIDataType::VTYPE_INTERFACE: + case nsIDataType::VTYPE_INTERFACE_IS: + default: + NS_WARNING("Unsupported variant type"); + return nullptr; + } +} + +namespace { +class CallbackEvent : public Runnable { + public: + explicit CallbackEvent(mozIStorageCompletionCallback* aCallback) + : Runnable("storage::CallbackEvent"), mCallback(aCallback) {} + + NS_IMETHOD Run() override { + (void)mCallback->Complete(NS_OK, nullptr); + return NS_OK; + } + + private: + nsCOMPtr mCallback; +}; +} // namespace +already_AddRefed newCompletionEvent( + mozIStorageCompletionCallback* aCallback) { + NS_ASSERTION(aCallback, "Passing a null callback is a no-no!"); + nsCOMPtr event = new CallbackEvent(aCallback); + return event.forget(); +} + +} // namespace storage +} // namespace mozilla -- cgit v1.2.3