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 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Mozilla Corporation
20 : * Portions created by the Initial Developer are Copyright (C) 2009
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
25 : * Shawn Wilsher <me@shawnwilsher.com>
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either the GNU General Public License Version 2 or later (the "GPL"), or
29 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #include "sqlite3.h"
42 :
43 : #include "jsapi.h"
44 : #include "jsfriendapi.h"
45 :
46 : #include "nsPrintfCString.h"
47 : #include "nsString.h"
48 : #include "nsError.h"
49 : #include "mozilla/Mutex.h"
50 : #include "mozilla/CondVar.h"
51 : #include "nsThreadUtils.h"
52 : #include "nsJSUtils.h"
53 :
54 : #include "Variant.h"
55 : #include "mozStoragePrivateHelpers.h"
56 : #include "mozIStorageStatement.h"
57 : #include "mozIStorageCompletionCallback.h"
58 : #include "mozIStorageBindingParams.h"
59 :
60 : #include "prlog.h"
61 : #ifdef PR_LOGGING
62 : extern PRLogModuleInfo* gStorageLog;
63 : #endif
64 :
65 : namespace mozilla {
66 : namespace storage {
67 :
68 : nsresult
69 85979 : convertResultCode(int aSQLiteResultCode)
70 : {
71 : // Drop off the extended result bits of the result code.
72 85979 : int rc = aSQLiteResultCode & 0xFF;
73 :
74 85979 : switch (rc) {
75 : case SQLITE_OK:
76 : case SQLITE_ROW:
77 : case SQLITE_DONE:
78 85886 : return NS_OK;
79 : case SQLITE_CORRUPT:
80 : case SQLITE_NOTADB:
81 13 : return NS_ERROR_FILE_CORRUPTED;
82 : case SQLITE_PERM:
83 : case SQLITE_CANTOPEN:
84 4 : return NS_ERROR_FILE_ACCESS_DENIED;
85 : case SQLITE_BUSY:
86 1 : return NS_ERROR_STORAGE_BUSY;
87 : case SQLITE_LOCKED:
88 6 : return NS_ERROR_FILE_IS_LOCKED;
89 : case SQLITE_READONLY:
90 2 : return NS_ERROR_FILE_READ_ONLY;
91 : case SQLITE_IOERR:
92 0 : return NS_ERROR_STORAGE_IOERR;
93 : case SQLITE_FULL:
94 : case SQLITE_TOOBIG:
95 0 : return NS_ERROR_FILE_NO_DEVICE_SPACE;
96 : case SQLITE_NOMEM:
97 0 : return NS_ERROR_OUT_OF_MEMORY;
98 : case SQLITE_MISUSE:
99 0 : return NS_ERROR_UNEXPECTED;
100 : case SQLITE_ABORT:
101 : case SQLITE_INTERRUPT:
102 2 : return NS_ERROR_ABORT;
103 : case SQLITE_CONSTRAINT:
104 43 : return NS_ERROR_STORAGE_CONSTRAINT;
105 : }
106 :
107 : // generic error
108 : #ifdef DEBUG
109 44 : nsCAutoString message;
110 22 : message.AppendLiteral("SQLite returned error code ");
111 22 : message.AppendInt(rc);
112 22 : message.AppendLiteral(" , Storage will convert it to NS_ERROR_FAILURE");
113 22 : NS_WARNING(message.get());
114 : #endif
115 22 : return NS_ERROR_FAILURE;
116 : }
117 :
118 : void
119 178590 : checkAndLogStatementPerformance(sqlite3_stmt *aStatement)
120 : {
121 : // Check to see if the query performed sorting operations or not. If it
122 : // did, it may need to be optimized!
123 178590 : int count = ::sqlite3_stmt_status(aStatement, SQLITE_STMTSTATUS_SORT, 1);
124 178589 : if (count <= 0)
125 177356 : return;
126 :
127 1233 : const char *sql = ::sqlite3_sql(aStatement);
128 :
129 : // Check to see if this is marked to not warn
130 1233 : if (::strstr(sql, "/* do not warn (bug "))
131 700 : return;
132 :
133 1066 : nsCAutoString message;
134 533 : message.AppendInt(count);
135 533 : if (count == 1)
136 440 : message.Append(" sort operation has ");
137 : else
138 93 : message.Append(" sort operations have ");
139 533 : message.Append("occurred for the SQL statement '");
140 1066 : nsPrintfCString address("0x%p", aStatement);
141 533 : message.Append(address);
142 : message.Append("'. See https://developer.mozilla.org/En/Storage/Warnings "
143 533 : "details.");
144 533 : NS_WARNING(message.get());
145 : }
146 :
147 : nsIVariant *
148 115514 : convertJSValToVariant(
149 : JSContext *aCtx,
150 : jsval aValue)
151 : {
152 115514 : if (JSVAL_IS_INT(aValue))
153 98670 : return new IntegerVariant(JSVAL_TO_INT(aValue));
154 :
155 66179 : if (JSVAL_IS_DOUBLE(aValue))
156 24434 : return new FloatVariant(JSVAL_TO_DOUBLE(aValue));
157 :
158 53962 : if (JSVAL_IS_STRING(aValue)) {
159 35820 : JSString *str = JSVAL_TO_STRING(aValue);
160 71640 : nsDependentJSString value;
161 35820 : if (!value.init(aCtx, str))
162 0 : return nsnull;
163 35820 : return new TextVariant(value);
164 : }
165 :
166 18142 : if (JSVAL_IS_BOOLEAN(aValue))
167 18 : return new IntegerVariant((aValue == JSVAL_TRUE) ? 1 : 0);
168 :
169 18133 : if (JSVAL_IS_NULL(aValue))
170 18128 : return new NullVariant();
171 :
172 5 : if (JSVAL_IS_OBJECT(aValue)) {
173 5 : JSObject *obj = JSVAL_TO_OBJECT(aValue);
174 : // We only support Date instances, all others fail.
175 5 : if (!::js_DateIsValid(aCtx, obj))
176 1 : return nsnull;
177 :
178 4 : double msecd = ::js_DateGetMsecSinceEpoch(aCtx, obj);
179 4 : msecd *= 1000.0;
180 : PRInt64 msec;
181 4 : LL_D2L(msec, msecd);
182 :
183 4 : return new IntegerVariant(msec);
184 : }
185 :
186 0 : return nsnull;
187 : }
188 :
189 : namespace {
190 : class CallbackEvent : public nsRunnable
191 6396 : {
192 : public:
193 1599 : CallbackEvent(mozIStorageCompletionCallback *aCallback)
194 1599 : : mCallback(aCallback)
195 : {
196 1599 : }
197 :
198 1599 : NS_IMETHOD Run()
199 : {
200 1599 : (void)mCallback->Complete();
201 1599 : return NS_OK;
202 : }
203 : private:
204 : nsCOMPtr<mozIStorageCompletionCallback> mCallback;
205 : };
206 : } // anonymous namespace
207 : already_AddRefed<nsIRunnable>
208 1599 : newCompletionEvent(mozIStorageCompletionCallback *aCallback)
209 : {
210 1599 : NS_ASSERTION(aCallback, "Passing a null callback is a no-no!");
211 3198 : nsCOMPtr<nsIRunnable> event = new CallbackEvent(aCallback);
212 1599 : return event.forget();
213 : }
214 :
215 :
216 :
217 : } // namespace storage
218 : } // namespace mozilla
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