1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/storage/src/mozStoragePrivateHelpers.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,181 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "sqlite3.h"
1.11 +
1.12 +#include "jsfriendapi.h"
1.13 +
1.14 +#include "nsPrintfCString.h"
1.15 +#include "nsString.h"
1.16 +#include "nsError.h"
1.17 +#include "mozilla/Mutex.h"
1.18 +#include "mozilla/CondVar.h"
1.19 +#include "nsThreadUtils.h"
1.20 +#include "nsJSUtils.h"
1.21 +
1.22 +#include "Variant.h"
1.23 +#include "mozStoragePrivateHelpers.h"
1.24 +#include "mozIStorageStatement.h"
1.25 +#include "mozIStorageCompletionCallback.h"
1.26 +#include "mozIStorageBindingParams.h"
1.27 +
1.28 +#include "prlog.h"
1.29 +#ifdef PR_LOGGING
1.30 +extern PRLogModuleInfo* gStorageLog;
1.31 +#endif
1.32 +
1.33 +namespace mozilla {
1.34 +namespace storage {
1.35 +
1.36 +nsresult
1.37 +convertResultCode(int aSQLiteResultCode)
1.38 +{
1.39 + // Drop off the extended result bits of the result code.
1.40 + int rc = aSQLiteResultCode & 0xFF;
1.41 +
1.42 + switch (rc) {
1.43 + case SQLITE_OK:
1.44 + case SQLITE_ROW:
1.45 + case SQLITE_DONE:
1.46 + return NS_OK;
1.47 + case SQLITE_CORRUPT:
1.48 + case SQLITE_NOTADB:
1.49 + return NS_ERROR_FILE_CORRUPTED;
1.50 + case SQLITE_PERM:
1.51 + case SQLITE_CANTOPEN:
1.52 + return NS_ERROR_FILE_ACCESS_DENIED;
1.53 + case SQLITE_BUSY:
1.54 + return NS_ERROR_STORAGE_BUSY;
1.55 + case SQLITE_LOCKED:
1.56 + return NS_ERROR_FILE_IS_LOCKED;
1.57 + case SQLITE_READONLY:
1.58 + return NS_ERROR_FILE_READ_ONLY;
1.59 + case SQLITE_IOERR:
1.60 + return NS_ERROR_STORAGE_IOERR;
1.61 + case SQLITE_FULL:
1.62 + case SQLITE_TOOBIG:
1.63 + return NS_ERROR_FILE_NO_DEVICE_SPACE;
1.64 + case SQLITE_NOMEM:
1.65 + return NS_ERROR_OUT_OF_MEMORY;
1.66 + case SQLITE_MISUSE:
1.67 + return NS_ERROR_UNEXPECTED;
1.68 + case SQLITE_ABORT:
1.69 + case SQLITE_INTERRUPT:
1.70 + return NS_ERROR_ABORT;
1.71 + case SQLITE_CONSTRAINT:
1.72 + return NS_ERROR_STORAGE_CONSTRAINT;
1.73 + }
1.74 +
1.75 + // generic error
1.76 +#ifdef DEBUG
1.77 + nsAutoCString message;
1.78 + message.AppendLiteral("SQLite returned error code ");
1.79 + message.AppendInt(rc);
1.80 + message.AppendLiteral(" , Storage will convert it to NS_ERROR_FAILURE");
1.81 + NS_WARNING(message.get());
1.82 +#endif
1.83 + return NS_ERROR_FAILURE;
1.84 +}
1.85 +
1.86 +void
1.87 +checkAndLogStatementPerformance(sqlite3_stmt *aStatement)
1.88 +{
1.89 + // Check to see if the query performed sorting operations or not. If it
1.90 + // did, it may need to be optimized!
1.91 + int count = ::sqlite3_stmt_status(aStatement, SQLITE_STMTSTATUS_SORT, 1);
1.92 + if (count <= 0)
1.93 + return;
1.94 +
1.95 + const char *sql = ::sqlite3_sql(aStatement);
1.96 +
1.97 + // Check to see if this is marked to not warn
1.98 + if (::strstr(sql, "/* do not warn (bug "))
1.99 + return;
1.100 +
1.101 + nsAutoCString message;
1.102 + message.AppendInt(count);
1.103 + if (count == 1)
1.104 + message.Append(" sort operation has ");
1.105 + else
1.106 + message.Append(" sort operations have ");
1.107 + message.Append("occurred for the SQL statement '");
1.108 + nsPrintfCString address("0x%p", aStatement);
1.109 + message.Append(address);
1.110 + message.Append("'. See https://developer.mozilla.org/En/Storage/Warnings "
1.111 + "details.");
1.112 + NS_WARNING(message.get());
1.113 +}
1.114 +
1.115 +nsIVariant *
1.116 +convertJSValToVariant(
1.117 + JSContext *aCtx,
1.118 + JS::Value aValue)
1.119 +{
1.120 + if (aValue.isInt32())
1.121 + return new IntegerVariant(aValue.toInt32());
1.122 +
1.123 + if (aValue.isDouble())
1.124 + return new FloatVariant(aValue.toDouble());
1.125 +
1.126 + if (aValue.isString()) {
1.127 + nsDependentJSString value;
1.128 + if (!value.init(aCtx, aValue))
1.129 + return nullptr;
1.130 + return new TextVariant(value);
1.131 + }
1.132 +
1.133 + if (aValue.isBoolean())
1.134 + return new IntegerVariant(aValue.isTrue() ? 1 : 0);
1.135 +
1.136 + if (aValue.isNull())
1.137 + return new NullVariant();
1.138 +
1.139 + if (aValue.isObject()) {
1.140 + JSObject* obj = &aValue.toObject();
1.141 + // We only support Date instances, all others fail.
1.142 + if (!::js_DateIsValid(obj))
1.143 + return nullptr;
1.144 +
1.145 + double msecd = ::js_DateGetMsecSinceEpoch(obj);
1.146 + msecd *= 1000.0;
1.147 + int64_t msec = msecd;
1.148 +
1.149 + return new IntegerVariant(msec);
1.150 + }
1.151 +
1.152 + return nullptr;
1.153 +}
1.154 +
1.155 +namespace {
1.156 +class CallbackEvent : public nsRunnable
1.157 +{
1.158 +public:
1.159 + CallbackEvent(mozIStorageCompletionCallback *aCallback)
1.160 + : mCallback(aCallback)
1.161 + {
1.162 + }
1.163 +
1.164 + NS_IMETHOD Run()
1.165 + {
1.166 + (void)mCallback->Complete(NS_OK, nullptr);
1.167 + return NS_OK;
1.168 + }
1.169 +private:
1.170 + nsCOMPtr<mozIStorageCompletionCallback> mCallback;
1.171 +};
1.172 +} // anonymous namespace
1.173 +already_AddRefed<nsIRunnable>
1.174 +newCompletionEvent(mozIStorageCompletionCallback *aCallback)
1.175 +{
1.176 + NS_ASSERTION(aCallback, "Passing a null callback is a no-no!");
1.177 + nsCOMPtr<nsIRunnable> event = new CallbackEvent(aCallback);
1.178 + return event.forget();
1.179 +}
1.180 +
1.181 +
1.182 +
1.183 +} // namespace storage
1.184 +} // namespace mozilla
