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comparison: storage/src/mozStoragePrivateHelpers.cpp
storage/src/mozStoragePrivateHelpers.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "sqlite3.h" | |
| 8 | |
| 9 #include "jsfriendapi.h" | |
| 10 | |
| 11 #include "nsPrintfCString.h" | |
| 12 #include "nsString.h" | |
| 13 #include "nsError.h" | |
| 14 #include "mozilla/Mutex.h" | |
| 15 #include "mozilla/CondVar.h" | |
| 16 #include "nsThreadUtils.h" | |
| 17 #include "nsJSUtils.h" | |
| 18 | |
| 19 #include "Variant.h" | |
| 20 #include "mozStoragePrivateHelpers.h" | |
| 21 #include "mozIStorageStatement.h" | |
| 22 #include "mozIStorageCompletionCallback.h" | |
| 23 #include "mozIStorageBindingParams.h" | |
| 24 | |
| 25 #include "prlog.h" | |
| 26 #ifdef PR_LOGGING | |
| 27 extern PRLogModuleInfo* gStorageLog; | |
| 28 #endif | |
| 29 | |
| 30 namespace mozilla { | |
| 31 namespace storage { | |
| 32 | |
| 33 nsresult | |
| 34 convertResultCode(int aSQLiteResultCode) | |
| 35 { | |
| 36 // Drop off the extended result bits of the result code. | |
| 37 int rc = aSQLiteResultCode & 0xFF; | |
| 38 | |
| 39 switch (rc) { | |
| 40 case SQLITE_OK: | |
| 41 case SQLITE_ROW: | |
| 42 case SQLITE_DONE: | |
| 43 return NS_OK; | |
| 44 case SQLITE_CORRUPT: | |
| 45 case SQLITE_NOTADB: | |
| 46 return NS_ERROR_FILE_CORRUPTED; | |
| 47 case SQLITE_PERM: | |
| 48 case SQLITE_CANTOPEN: | |
| 49 return NS_ERROR_FILE_ACCESS_DENIED; | |
| 50 case SQLITE_BUSY: | |
| 51 return NS_ERROR_STORAGE_BUSY; | |
| 52 case SQLITE_LOCKED: | |
| 53 return NS_ERROR_FILE_IS_LOCKED; | |
| 54 case SQLITE_READONLY: | |
| 55 return NS_ERROR_FILE_READ_ONLY; | |
| 56 case SQLITE_IOERR: | |
| 57 return NS_ERROR_STORAGE_IOERR; | |
| 58 case SQLITE_FULL: | |
| 59 case SQLITE_TOOBIG: | |
| 60 return NS_ERROR_FILE_NO_DEVICE_SPACE; | |
| 61 case SQLITE_NOMEM: | |
| 62 return NS_ERROR_OUT_OF_MEMORY; | |
| 63 case SQLITE_MISUSE: | |
| 64 return NS_ERROR_UNEXPECTED; | |
| 65 case SQLITE_ABORT: | |
| 66 case SQLITE_INTERRUPT: | |
| 67 return NS_ERROR_ABORT; | |
| 68 case SQLITE_CONSTRAINT: | |
| 69 return NS_ERROR_STORAGE_CONSTRAINT; | |
| 70 } | |
| 71 | |
| 72 // generic error | |
| 73 #ifdef DEBUG | |
| 74 nsAutoCString message; | |
| 75 message.AppendLiteral("SQLite returned error code "); | |
| 76 message.AppendInt(rc); | |
| 77 message.AppendLiteral(" , Storage will convert it to NS_ERROR_FAILURE"); | |
| 78 NS_WARNING(message.get()); | |
| 79 #endif | |
| 80 return NS_ERROR_FAILURE; | |
| 81 } | |
| 82 | |
| 83 void | |
| 84 checkAndLogStatementPerformance(sqlite3_stmt *aStatement) | |
| 85 { | |
| 86 // Check to see if the query performed sorting operations or not. If it | |
| 87 // did, it may need to be optimized! | |
| 88 int count = ::sqlite3_stmt_status(aStatement, SQLITE_STMTSTATUS_SORT, 1); | |
| 89 if (count <= 0) | |
| 90 return; | |
| 91 | |
| 92 const char *sql = ::sqlite3_sql(aStatement); | |
| 93 | |
| 94 // Check to see if this is marked to not warn | |
| 95 if (::strstr(sql, "/* do not warn (bug ")) | |
| 96 return; | |
| 97 | |
| 98 nsAutoCString message; | |
| 99 message.AppendInt(count); | |
| 100 if (count == 1) | |
| 101 message.Append(" sort operation has "); | |
| 102 else | |
| 103 message.Append(" sort operations have "); | |
| 104 message.Append("occurred for the SQL statement '"); | |
| 105 nsPrintfCString address("0x%p", aStatement); | |
| 106 message.Append(address); | |
| 107 message.Append("'. See https://developer.mozilla.org/En/Storage/Warnings " | |
| 108 "details."); | |
| 109 NS_WARNING(message.get()); | |
| 110 } | |
| 111 | |
| 112 nsIVariant * | |
| 113 convertJSValToVariant( | |
| 114 JSContext *aCtx, | |
| 115 JS::Value aValue) | |
| 116 { | |
| 117 if (aValue.isInt32()) | |
| 118 return new IntegerVariant(aValue.toInt32()); | |
| 119 | |
| 120 if (aValue.isDouble()) | |
| 121 return new FloatVariant(aValue.toDouble()); | |
| 122 | |
| 123 if (aValue.isString()) { | |
| 124 nsDependentJSString value; | |
| 125 if (!value.init(aCtx, aValue)) | |
| 126 return nullptr; | |
| 127 return new TextVariant(value); | |
| 128 } | |
| 129 | |
| 130 if (aValue.isBoolean()) | |
| 131 return new IntegerVariant(aValue.isTrue() ? 1 : 0); | |
| 132 | |
| 133 if (aValue.isNull()) | |
| 134 return new NullVariant(); | |
| 135 | |
| 136 if (aValue.isObject()) { | |
| 137 JSObject* obj = &aValue.toObject(); | |
| 138 // We only support Date instances, all others fail. | |
| 139 if (!::js_DateIsValid(obj)) | |
| 140 return nullptr; | |
| 141 | |
| 142 double msecd = ::js_DateGetMsecSinceEpoch(obj); | |
| 143 msecd *= 1000.0; | |
| 144 int64_t msec = msecd; | |
| 145 | |
| 146 return new IntegerVariant(msec); | |
| 147 } | |
| 148 | |
| 149 return nullptr; | |
| 150 } | |
| 151 | |
| 152 namespace { | |
| 153 class CallbackEvent : public nsRunnable | |
| 154 { | |
| 155 public: | |
| 156 CallbackEvent(mozIStorageCompletionCallback *aCallback) | |
| 157 : mCallback(aCallback) | |
| 158 { | |
| 159 } | |
| 160 | |
| 161 NS_IMETHOD Run() | |
| 162 { | |
| 163 (void)mCallback->Complete(NS_OK, nullptr); | |
| 164 return NS_OK; | |
| 165 } | |
| 166 private: | |
| 167 nsCOMPtr<mozIStorageCompletionCallback> mCallback; | |
| 168 }; | |
| 169 } // anonymous namespace | |
| 170 already_AddRefed<nsIRunnable> | |
| 171 newCompletionEvent(mozIStorageCompletionCallback *aCallback) | |
| 172 { | |
| 173 NS_ASSERTION(aCallback, "Passing a null callback is a no-no!"); | |
| 174 nsCOMPtr<nsIRunnable> event = new CallbackEvent(aCallback); | |
| 175 return event.forget(); | |
| 176 } | |
| 177 | |
| 178 | |
| 179 | |
| 180 } // namespace storage | |
| 181 } // namespace mozilla |
