Skip to content
Navigation Menu
{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 28
Expand file tree
/
Copy pathHttpCacheDatabase.cpp
More file actions
433 lines (372 loc) · 19.2 KB
/
HttpCacheDatabase.cpp
File metadata and controls
433 lines (372 loc) · 19.2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
/*
* Copyright 2017 Sony Corporation
*/
#include "Poco/Timestamp.h"
#include "easyhttpcpp/common/CoreLogger.h"
#include "easyhttpcpp/common/FileUtil.h"
#include "easyhttpcpp/db/AutoSqliteCursor.h"
#include "easyhttpcpp/db/AutoSqliteDatabase.h"
#include "easyhttpcpp/db/AutoSqliteTransaction.h"
#include "easyhttpcpp/db/ContentValues.h"
#include "easyhttpcpp/db/SqlException.h"
#include "easyhttpcpp/HttpException.h"
#include "HttpCacheDatabase.h"
#include "HttpCacheMetadata.h"
#include "HttpCacheEnumerationListener.h"
#include "HttpInternalConstants.h"
#include "HttpUtil.h"
using easyhttpcpp::common::Cache;
using easyhttpcpp::common::CacheMetadata;
using easyhttpcpp::common::FileUtil;
using easyhttpcpp::db::AutoSqliteCursor;
using easyhttpcpp::db::AutoSqliteDatabase;
using easyhttpcpp::db::AutoSqliteTransaction;
using easyhttpcpp::db::ContentValues;
using easyhttpcpp::db::SqlException;
using easyhttpcpp::db::SqliteCursor;
using easyhttpcpp::db::SqliteDatabase;
using easyhttpcpp::db::SqliteOpenHelper;
namespace easyhttpcpp {
static const std::string Tag = "HttpCacheDatabase";
HttpCacheDatabase::HttpCacheDatabase(HttpCacheDatabaseOpenHelper::Ptr pOpenHelper) : m_pOpenHelper(pOpenHelper)
{
}
HttpCacheDatabase::~HttpCacheDatabase()
{
}
HttpCacheMetadata::Ptr HttpCacheDatabase::getMetadata(const std::string& key)
{
Poco::FastMutex::ScopedLock lock(m_mutex);
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getReadableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "getMetadata() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
std::vector<std::string> columns;
columns.push_back(HttpInternalConstants::Database::Key::Url);
columns.push_back(HttpInternalConstants::Database::Key::Method);
columns.push_back(HttpInternalConstants::Database::Key::StatusCode);
columns.push_back(HttpInternalConstants::Database::Key::StatusMessage);
columns.push_back(HttpInternalConstants::Database::Key::ResponseHeaderJson);
columns.push_back(HttpInternalConstants::Database::Key::ResponseBodySize);
columns.push_back(HttpInternalConstants::Database::Key::SentRequestAtEpoch);
columns.push_back(HttpInternalConstants::Database::Key::ReceivedResponseAtEpoch);
columns.push_back(HttpInternalConstants::Database::Key::CreatedAtEpoch);
std::string whereClause = std::string(HttpInternalConstants::Database::Key::CacheKey) + "=?";
std::vector<std::string> whereArgs;
whereArgs.push_back(key);
SqliteCursor::Ptr pCursor = pDb->query(HttpInternalConstants::Database::TableName, &columns, &whereClause,
&whereArgs, NULL, NULL, NULL, NULL);
AutoSqliteCursor autoSqliteCursor(pCursor);
if (pCursor->moveToFirst()) {
HttpCacheMetadata::Ptr pHttpCacheMetadata = new HttpCacheMetadata();
pHttpCacheMetadata->setKey(key);
pHttpCacheMetadata->setUrl(pCursor->getString(0));
pHttpCacheMetadata->setHttpMethod(static_cast<Request::HttpMethod> (pCursor->getInt(1)));
pHttpCacheMetadata->setStatusCode(pCursor->getInt(2));
pHttpCacheMetadata->setStatusMessage(pCursor->getString(3));
pHttpCacheMetadata->setResponseHeaders(HttpUtil::exchangeJsonStrToHeaders(pCursor->getString(4)));
pHttpCacheMetadata->setResponseBodySize(pCursor->getUnsignedLongLong(5));
pHttpCacheMetadata->setSentRequestAtEpoch(pCursor->getUnsignedLongLong(6));
pHttpCacheMetadata->setReceivedResponseAtEpoch(pCursor->getUnsignedLongLong(7));
pHttpCacheMetadata->setCreatedAtEpoch(pCursor->getUnsignedLongLong(8));
// dump
EASYHTTPCPP_LOG_D(Tag, "getMetadata");
dumpMetadata(pHttpCacheMetadata);
return pHttpCacheMetadata;
} else {
EASYHTTPCPP_LOG_D(Tag, "getMetadata(): can not get row");
return NULL;
}
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while getMetadata(): %s", e.getMessage().c_str());
throw;
}
}
bool HttpCacheDatabase::deleteMetadata(const std::string& key)
{
Poco::FastMutex::ScopedLock lock(m_mutex);
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getWritableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "deleteMetadata() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
AutoSqliteTransaction autoSqliteTransaction(pDb);
std::string whereClause = std::string(HttpInternalConstants::Database::Key::CacheKey) + "=?";
std::vector<std::string> whereArgs;
whereArgs.push_back(key);
bool deleted = pDb->deleteRows(HttpInternalConstants::Database::TableName, &whereClause, &whereArgs) > 0;
pDb->setTransactionSuccessful();
return deleted;
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while deleteMetadata(): %s", e.getMessage().c_str());
// do not set the transaction as successful; database will rollback automatically
throw;
}
}
void HttpCacheDatabase::updateMetadata(const std::string& key, HttpCacheMetadata::Ptr pHttpCacheMetadata)
{
Poco::FastMutex::ScopedLock lock(m_mutex);
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getWritableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "updateMetadata() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
// always use transactions for speedy and reliable updates
AutoSqliteTransaction autoSqliteTransaction(pDb);
ContentValues values;
values.put(HttpInternalConstants::Database::Key::CacheKey, pHttpCacheMetadata->getKey());
values.put(HttpInternalConstants::Database::Key::Url, pHttpCacheMetadata->getUrl());
values.put(HttpInternalConstants::Database::Key::Method, pHttpCacheMetadata->getHttpMethod());
values.put(HttpInternalConstants::Database::Key::StatusCode, pHttpCacheMetadata->getStatusCode());
values.put(HttpInternalConstants::Database::Key::StatusMessage, pHttpCacheMetadata->getStatusMessage());
values.put(HttpInternalConstants::Database::Key::ResponseHeaderJson,
HttpUtil::exchangeHeadersToJsonStr(pHttpCacheMetadata->getResponseHeaders()));
values.put(HttpInternalConstants::Database::Key::ResponseBodySize, pHttpCacheMetadata->getResponseBodySize());
values.put(HttpInternalConstants::Database::Key::SentRequestAtEpoch,
pHttpCacheMetadata->getSentRequestAtEpoch());
values.put(HttpInternalConstants::Database::Key::ReceivedResponseAtEpoch,
pHttpCacheMetadata->getReceivedResponseAtEpoch());
values.put(HttpInternalConstants::Database::Key::CreatedAtEpoch, pHttpCacheMetadata->getCreatedAtEpoch());
Poco::Timestamp now;
values.put(HttpInternalConstants::Database::Key::LastAccessedAtEpoch, now.epochTime());
// do an INSERT, and if that INSERT fails because of a conflict,
// delete the conflicting rows before INSERTing again
pDb->replace(HttpInternalConstants::Database::TableName, values);
EASYHTTPCPP_LOG_V(Tag, "New HttpCacheMetadata updateMetadata.");
pDb->setTransactionSuccessful();
// dump
EASYHTTPCPP_LOG_D(Tag, "updateMetadata");
dumpMetadata(pHttpCacheMetadata);
EASYHTTPCPP_LOG_D(Tag, "lastAccessedAtEpoch = %s", Poco::DateTimeFormatter::format(now,
Poco::DateTimeFormat::HTTP_FORMAT).c_str());
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while updateMetadata(): %s", e.getMessage().c_str());
throw;
}
}
bool HttpCacheDatabase::updateLastAccessedSec(const std::string& key)
{
Poco::FastMutex::ScopedLock lock(m_mutex);
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getWritableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "updateMetadata() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
// always use transactions for speedy and reliable updates
AutoSqliteTransaction autoSqliteTransaction(pDb);
ContentValues values;
Poco::Timestamp now;
values.put(HttpInternalConstants::Database::Key::LastAccessedAtEpoch, now.epochTime());
EASYHTTPCPP_LOG_D(Tag, "updateLastAccessedSec: lastAccessedAtEpoch = %s", Poco::DateTimeFormatter::format(now,
Poco::DateTimeFormat::HTTP_FORMAT).c_str());
std::string whereClause = std::string(HttpInternalConstants::Database::Key::CacheKey) + "=?";
std::vector<std::string> whereArgs;
whereArgs.push_back(key);
bool update;
if (pDb->update(HttpInternalConstants::Database::TableName, values, &whereClause, &whereArgs) == 0) {
// cannot update lastAccessedSec in cache, but ignore it.
EASYHTTPCPP_LOG_D(Tag, "updateLastAccessedSec : can not update database.");
update = false;
} else {
update = true;
}
pDb->setTransactionSuccessful();
return update;
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while updateLastAccessedSec(): %s", e.getMessage().c_str());
throw;
}
}
bool HttpCacheDatabase::deleteDatabaseFile()
{
Poco::FastMutex::ScopedLock lock(m_mutex);
return FileUtil::removeFileIfPresent(Poco::File(m_pOpenHelper->getDatabasePath().absolute().toString()));
}
void HttpCacheDatabase::enumerate(HttpCacheEnumerationListener* pListener)
{
// do not lock in enumerate because deleteMetadata might be called from onEnumerate callback.
// when call enumerate, exclusive control is done by the caller.
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getReadableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "enumerate() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
try {
SqliteCursor::Ptr pCursor;
{
AutoSqliteDatabase autoSqliteDatabase(pDb);
std::vector<std::string> columns;
columns.push_back(HttpInternalConstants::Database::Key::CacheKey);
columns.push_back(HttpInternalConstants::Database::Key::ResponseBodySize);
// sort by LastAccessedSec.
std::string orderBy = std::string(HttpInternalConstants::Database::Key::LastAccessedAtEpoch) + " ASC";
pCursor = pDb->query(HttpInternalConstants::Database::TableName, &columns, NULL, NULL, NULL,
NULL, &orderBy, NULL);
}
AutoSqliteCursor autoSqliteCursor(pCursor);
if (pCursor->moveToFirst()) {
do {
HttpCacheEnumerationListener::EnumerationParam param;
param.m_key = pCursor->getString(0);
param.m_responseBodySize = pCursor->getUnsignedLongLong(1);
if (!pListener->onEnumerate(param)) {
EASYHTTPCPP_LOG_D(Tag, "enumerate: error occurred onEnumerate.");
// could not store it in cache, but continue processing because it is cache.
}
} while (pCursor->moveToNext());
}
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while enumerate(): %s", e.getMessage().c_str());
throw;
}
}
void HttpCacheDatabase::closeSqliteSession()
{
m_pOpenHelper->closeSqliteSession();
}
HttpCacheDatabase::HttpCacheMetadataAll::HttpCacheMetadataAll() : m_lastAccessedAtEpoch(0)
{
}
void HttpCacheDatabase::HttpCacheMetadataAll::setLastAccessedAtEpoch(std::time_t lastAccessedAtEpoch)
{
m_lastAccessedAtEpoch = lastAccessedAtEpoch;
}
std::time_t HttpCacheDatabase::HttpCacheMetadataAll::getLastAccessedAtEpoch() const
{
return m_lastAccessedAtEpoch;
}
HttpCacheDatabase::HttpCacheMetadataAll::Ptr HttpCacheDatabase::getMetadataAll(const std::string& key)
{
// do not use lock because this method is for test.
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getReadableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "getMetadataAll() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
std::vector<std::string> columns;
columns.push_back(HttpInternalConstants::Database::Key::Url);
columns.push_back(HttpInternalConstants::Database::Key::Method);
columns.push_back(HttpInternalConstants::Database::Key::StatusCode);
columns.push_back(HttpInternalConstants::Database::Key::StatusMessage);
columns.push_back(HttpInternalConstants::Database::Key::ResponseHeaderJson);
columns.push_back(HttpInternalConstants::Database::Key::ResponseBodySize);
columns.push_back(HttpInternalConstants::Database::Key::SentRequestAtEpoch);
columns.push_back(HttpInternalConstants::Database::Key::ReceivedResponseAtEpoch);
columns.push_back(HttpInternalConstants::Database::Key::CreatedAtEpoch);
columns.push_back(HttpInternalConstants::Database::Key::LastAccessedAtEpoch);
std::string whereClause = std::string(HttpInternalConstants::Database::Key::CacheKey) + "=?";
std::vector<std::string> whereArgs;
whereArgs.push_back(key);
SqliteCursor::Ptr pCursor = pDb->query(HttpInternalConstants::Database::TableName, &columns, &whereClause,
&whereArgs, NULL, NULL, NULL, NULL);
AutoSqliteCursor autoSqliteCursor(pCursor);
if (pCursor->moveToFirst()) {
HttpCacheDatabase::HttpCacheMetadataAll::Ptr pHttpCacheMetadataAll =
new HttpCacheDatabase::HttpCacheMetadataAll();
pHttpCacheMetadataAll->setKey(key);
pHttpCacheMetadataAll->setUrl(pCursor->getString(0));
pHttpCacheMetadataAll->setHttpMethod(static_cast<Request::HttpMethod> (pCursor->getInt(1)));
pHttpCacheMetadataAll->setStatusCode(pCursor->getInt(2));
pHttpCacheMetadataAll->setStatusMessage(pCursor->getString(3));
pHttpCacheMetadataAll->setResponseHeaders(HttpUtil::exchangeJsonStrToHeaders(pCursor->getString(4)));
pHttpCacheMetadataAll->setResponseBodySize(pCursor->getUnsignedLongLong(5));
pHttpCacheMetadataAll->setSentRequestAtEpoch(pCursor->getUnsignedLongLong(6));
pHttpCacheMetadataAll->setReceivedResponseAtEpoch(pCursor->getUnsignedLongLong(7));
pHttpCacheMetadataAll->setCreatedAtEpoch(pCursor->getUnsignedLongLong(8));
pHttpCacheMetadataAll->setLastAccessedAtEpoch(pCursor->getUnsignedLongLong(9));
return pHttpCacheMetadataAll;
} else {
EASYHTTPCPP_LOG_D(Tag, "getMetadataAll(): can not get row");
return NULL;
}
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while getMetadataAll(): %s", e.getMessage().c_str());
throw;
}
}
void HttpCacheDatabase::updateMetadataAll(const std::string& key,
HttpCacheDatabase::HttpCacheMetadataAll::Ptr pHttpCacheMetadataAll)
{
// do not use lock because this method is for test.
SqliteDatabase::Ptr pDb;
try {
pDb = m_pOpenHelper->getWritableDatabase();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "updateMetadataAll() Unable to open database. Error: %s", e.getMessage().c_str());
throw;
}
AutoSqliteDatabase autoSqliteDatabase(pDb);
try {
// always use transactions for speedy and reliable updates
AutoSqliteTransaction autoSqliteTransaction(pDb);
ContentValues values;
values.put(HttpInternalConstants::Database::Key::CacheKey, pHttpCacheMetadataAll->getKey());
values.put(HttpInternalConstants::Database::Key::Url, pHttpCacheMetadataAll->getUrl());
values.put(HttpInternalConstants::Database::Key::Method, pHttpCacheMetadataAll->getHttpMethod());
values.put(HttpInternalConstants::Database::Key::StatusCode, pHttpCacheMetadataAll->getStatusCode());
values.put(HttpInternalConstants::Database::Key::StatusMessage, pHttpCacheMetadataAll->getStatusMessage());
values.put(HttpInternalConstants::Database::Key::ResponseHeaderJson,
HttpUtil::exchangeHeadersToJsonStr(pHttpCacheMetadataAll->getResponseHeaders()));
values.put(HttpInternalConstants::Database::Key::ResponseBodySize,
pHttpCacheMetadataAll->getResponseBodySize());
values.put(HttpInternalConstants::Database::Key::SentRequestAtEpoch,
pHttpCacheMetadataAll->getSentRequestAtEpoch());
values.put(HttpInternalConstants::Database::Key::ReceivedResponseAtEpoch,
pHttpCacheMetadataAll->getReceivedResponseAtEpoch());
values.put(HttpInternalConstants::Database::Key::CreatedAtEpoch, pHttpCacheMetadataAll->getCreatedAtEpoch());
values.put(HttpInternalConstants::Database::Key::LastAccessedAtEpoch,
pHttpCacheMetadataAll->getLastAccessedAtEpoch());
// do an INSERT, and if that INSERT fails because of a conflict,
// delete the conflicting rows before INSERTing again
pDb->replace(HttpInternalConstants::Database::TableName, values);
EASYHTTPCPP_LOG_V(Tag, "New HttpCacheMetadata updateMetadataAll.");
pDb->setTransactionSuccessful();
} catch (const SqlException& e) {
EASYHTTPCPP_LOG_D(Tag, "SQLite error while updateMetadataAll(): %s", e.getMessage().c_str());
throw;
}
}
void HttpCacheDatabase::dumpMetadata(HttpCacheMetadata::Ptr pHttpCacheMetadata)
{
EASYHTTPCPP_LOG_D(Tag, "url = %s", pHttpCacheMetadata->getUrl().c_str());
EASYHTTPCPP_LOG_D(Tag, "method = %s", HttpUtil::httpMethodToString(pHttpCacheMetadata->getHttpMethod()).c_str());
EASYHTTPCPP_LOG_D(Tag, "code = %d", pHttpCacheMetadata->getStatusCode());
EASYHTTPCPP_LOG_D(Tag, "message = %s", pHttpCacheMetadata->getStatusMessage().c_str());
EASYHTTPCPP_LOG_D(Tag, "header = %s", HttpUtil::exchangeHeadersToJsonStr(
pHttpCacheMetadata->getResponseHeaders()).c_str());
EASYHTTPCPP_LOG_D(Tag, "body size = %zu", pHttpCacheMetadata->getResponseBodySize());
Poco::Timestamp sentRequestTime = Poco::Timestamp::fromEpochTime(pHttpCacheMetadata->getSentRequestAtEpoch());
EASYHTTPCPP_LOG_D(Tag, "sentRequestAtEpoch = %s", Poco::DateTimeFormatter::format(sentRequestTime,
Poco::DateTimeFormat::HTTP_FORMAT).c_str());
Poco::Timestamp receiveedResponseTime =
Poco::Timestamp::fromEpochTime(pHttpCacheMetadata->getReceivedResponseAtEpoch());
EASYHTTPCPP_LOG_D(Tag, "receivedResponseAtEpoch = %s", Poco::DateTimeFormatter::format(receiveedResponseTime,
Poco::DateTimeFormat::HTTP_FORMAT).c_str());
Poco::Timestamp createMetadataTime = Poco::Timestamp::fromEpochTime(pHttpCacheMetadata->getCreatedAtEpoch());
EASYHTTPCPP_LOG_D(Tag, "createAtEpoch = %s", Poco::DateTimeFormatter::format(createMetadataTime,
Poco::DateTimeFormat::HTTP_FORMAT).c_str());
}
} /* namespace easyhttpcpp */
You can’t perform that action at this time.