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-rw-r--r--chrome/browser/history/visit_database.cc16
-rw-r--r--chrome/browser/history/visit_log.cc56
-rw-r--r--chrome/browser/history/visit_log.h61
-rw-r--r--chrome/browser/history/visit_log_unittest.cc45
4 files changed, 178 insertions, 0 deletions
diff --git a/chrome/browser/history/visit_database.cc b/chrome/browser/history/visit_database.cc
index 60d4c5b..48975b1 100644
--- a/chrome/browser/history/visit_database.cc
+++ b/chrome/browser/history/visit_database.cc
@@ -8,6 +8,7 @@
#include <set>
#include "chrome/browser/history/visit_database.h"
+#include "chrome/browser/history/visit_log.h"
#include "chrome/browser/history/url_database.h"
#include "chrome/common/page_transition_types.h"
@@ -115,6 +116,7 @@ VisitID VisitDatabase::AddVisit(VisitRow* visit) {
statement->bind_int64(3, visit->transition);
statement->bind_int64(4, visit->segment_id);
statement->bind_int64(5, visit->is_indexed);
+ AddEventToVisitLog(VisitLog::ADD_VISIT);
if (statement->step() != SQLITE_DONE)
return 0;
@@ -132,6 +134,7 @@ void VisitDatabase::DeleteVisit(const VisitRow& visit) {
return;
update_chain->bind_int64(0, visit.referring_visit);
update_chain->bind_int64(1, visit.visit_id);
+ AddEventToVisitLog(VisitLog::UPDATE_VISIT);
update_chain->step();
// Now delete the actual visit.
@@ -140,6 +143,7 @@ void VisitDatabase::DeleteVisit(const VisitRow& visit) {
if (!del.is_valid())
return;
del->bind_int64(0, visit.visit_id);
+ AddEventToVisitLog(VisitLog::DELETE_VISIT);
del->step();
}
@@ -150,6 +154,7 @@ bool VisitDatabase::GetRowForVisit(VisitID visit_id, VisitRow* out_visit) {
return false;
statement->bind_int64(0, visit_id);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (statement->step() != SQLITE_ROW)
return false;
@@ -172,6 +177,7 @@ bool VisitDatabase::UpdateVisitRow(const VisitRow& visit) {
statement->bind_int64(4, visit.segment_id);
statement->bind_int64(5, visit.is_indexed);
statement->bind_int64(6, visit.visit_id);
+ AddEventToVisitLog(VisitLog::UPDATE_VISIT);
return statement->step() == SQLITE_DONE;
}
@@ -187,6 +193,7 @@ bool VisitDatabase::GetVisitsForURL(URLID url_id, VisitVector* visits) {
return false;
statement->bind_int64(0, url_id);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
FillVisitVector(*statement, visits);
return true;
}
@@ -210,6 +217,7 @@ void VisitDatabase::GetAllVisitsInRange(Time begin_time, Time end_time,
statement->bind_int64(2,
max_results ? max_results : std::numeric_limits<int64>::max());
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
FillVisitVector(*statement, visits);
}
@@ -239,6 +247,7 @@ void VisitDatabase::GetVisitsInRangeForTransition(
statement->bind_int64(4,
max_results ? max_results : std::numeric_limits<int64>::max());
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
FillVisitVector(*statement, visits);
}
@@ -271,6 +280,7 @@ void VisitDatabase::GetVisibleVisitsInRange(Time begin_time, Time end_time,
statement->bind_int(5, PageTransition::MANUAL_SUBFRAME);
statement->bind_int(6, PageTransition::KEYWORD_GENERATED);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
std::set<URLID> found_urls;
while (statement->step() == SQLITE_ROW) {
VisitRow visit;
@@ -301,6 +311,7 @@ VisitID VisitDatabase::GetMostRecentVisitForURL(URLID url_id,
return 0;
statement->bind_int64(0, url_id);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (statement->step() != SQLITE_ROW)
return 0; // No visits for this URL.
@@ -329,6 +340,7 @@ bool VisitDatabase::GetMostRecentVisitsForURL(URLID url_id,
statement->bind_int64(0, url_id);
statement->bind_int(1, max_results);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
FillVisitVector(*statement, visits);
return true;
}
@@ -347,6 +359,7 @@ bool VisitDatabase::GetRedirectFromVisit(VisitID from_visit,
statement->bind_int64(0, from_visit);
statement->bind_int(1, PageTransition::IS_REDIRECT_MASK);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (statement->step() != SQLITE_ROW)
return false; // No redirect from this visit.
if (to_visit)
@@ -373,6 +386,7 @@ bool VisitDatabase::GetRedirectToVisit(VisitID to_visit,
"WHERE v.id = ?");
statement->bind_int64(0, row.referring_visit);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (statement->step() != SQLITE_ROW)
return false;
@@ -413,6 +427,7 @@ bool VisitDatabase::GetVisitCountToHost(const GURL& url,
statement->bind_string(0, host_query_min);
statement->bind_string(1, host_query_max);
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (statement->step() != SQLITE_ROW) {
// We've never been to this page before.
*count = 0;
@@ -427,6 +442,7 @@ bool VisitDatabase::GetVisitCountToHost(const GURL& url,
bool VisitDatabase::GetStartDate(Time* first_visit) {
SQLITE_UNIQUE_STATEMENT(statement, GetStatementCache(),
"SELECT MIN(visit_time) FROM visits WHERE visit_time != 0");
+ AddEventToVisitLog(VisitLog::SELECT_VISIT);
if (!statement.is_valid() || statement->step() != SQLITE_ROW ||
statement->column_int64(0) == 0) {
*first_visit = Time::Now();
diff --git a/chrome/browser/history/visit_log.cc b/chrome/browser/history/visit_log.cc
new file mode 100644
index 0000000..2c74265
--- /dev/null
+++ b/chrome/browser/history/visit_log.cc
@@ -0,0 +1,56 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/history/visit_log.h"
+
+namespace history {
+
+static VisitLog* g_visit_log = NULL;
+
+VisitLog::VisitLog()
+ : index_(0),
+ num_add_(0),
+ num_delete_(0),
+ num_update_(0),
+ num_select_(0) {
+ memset(events_, NO_OP, sizeof(events_));
+}
+
+VisitLog::~VisitLog() {
+}
+
+void VisitLog::AddEvent(EventType event) {
+ switch (event) {
+ case ADD_VISIT:
+ num_add_++;
+ break;
+ case DELETE_VISIT:
+ num_delete_++;
+ break;
+ case UPDATE_VISIT:
+ num_update_++;
+ break;
+ case SELECT_VISIT:
+ num_select_++;
+ break;
+ default:
+ return;
+ }
+
+ events_[index_++] = event;
+ if (index_ == kVisitLogBufferSize)
+ index_ = 0;
+}
+
+void InitVisitLog(VisitLog* vlog) {
+ g_visit_log = vlog;
+}
+
+void AddEventToVisitLog(VisitLog::EventType event) {
+ if (!g_visit_log)
+ return;
+ g_visit_log->AddEvent(event);
+}
+
+} // namespace history
diff --git a/chrome/browser/history/visit_log.h b/chrome/browser/history/visit_log.h
new file mode 100644
index 0000000..31c4976
--- /dev/null
+++ b/chrome/browser/history/visit_log.h
@@ -0,0 +1,61 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_HISTORY_VISIT_LOG_H_
+#define CHROME_BROWSER_HISTORY_VISIT_LOG_H_
+
+#include "base/basictypes.h"
+
+namespace history {
+
+// VisitLog provides support for basic in-memory logging of history visit
+// events. It keeps a circular buffer where the recent visit events is
+// recorded.
+
+// This class is not thread safe.
+class VisitLog {
+ public:
+ VisitLog();
+ ~VisitLog();
+
+ enum EventType {
+ NO_OP,
+ ADD_VISIT,
+ DELETE_VISIT,
+ UPDATE_VISIT,
+ SELECT_VISIT,
+ };
+
+ static int events_buffer_size() { return kVisitLogBufferSize; }
+ unsigned char* events() { return events_; }
+ int index() { return index_; }
+
+ int num_add() { return num_add_; }
+ int num_delete() { return num_delete_; }
+ int num_update() { return num_update_; }
+ int num_select() { return num_select_; }
+
+ void AddEvent(EventType event);
+
+ private:
+ // Circular buffer of recent events.
+ static const int kVisitLogBufferSize = 4096;
+ unsigned char events_[kVisitLogBufferSize];
+ int index_;
+
+ // Event counters
+ int num_add_;
+ int num_delete_;
+ int num_update_;
+ int num_select_;
+
+ DISALLOW_COPY_AND_ASSIGN(VisitLog);
+};
+
+void InitVisitLog(VisitLog* vlog);
+void AddEventToVisitLog(VisitLog::EventType event);
+
+} // namespace history
+
+#endif // CHROME_BROWSER_HISTORY_VISIT_LOG_H_
diff --git a/chrome/browser/history/visit_log_unittest.cc b/chrome/browser/history/visit_log_unittest.cc
new file mode 100644
index 0000000..5389281
--- /dev/null
+++ b/chrome/browser/history/visit_log_unittest.cc
@@ -0,0 +1,45 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/history/visit_log.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// A simple test that makes sure events are recorded correctly in circular
+// buffer.
+TEST(VisitLog, SimpleRecording) {
+ history::VisitLog vlog;
+
+ unsigned char* vlog_buffer = vlog.events();
+ int vlog_buffer_size = vlog.events_buffer_size();
+
+ ASSERT_EQ(history::VisitLog::NO_OP, vlog_buffer[0]);
+ ASSERT_EQ(history::VisitLog::NO_OP, vlog_buffer[1]);
+ ASSERT_EQ(history::VisitLog::NO_OP, vlog_buffer[2]);
+ ASSERT_EQ(history::VisitLog::NO_OP, vlog_buffer[vlog_buffer_size-1]);
+
+ for (int i=0; i<vlog_buffer_size; i++)
+ vlog.AddEvent(history::VisitLog::ADD_VISIT);
+
+ ASSERT_EQ(history::VisitLog::ADD_VISIT, vlog_buffer[0]);
+ ASSERT_EQ(history::VisitLog::ADD_VISIT, vlog_buffer[1]);
+ ASSERT_EQ(history::VisitLog::ADD_VISIT, vlog_buffer[2]);
+ ASSERT_EQ(history::VisitLog::ADD_VISIT, vlog_buffer[vlog_buffer_size-1]);
+ ASSERT_EQ(vlog_buffer_size, vlog.num_add());
+ ASSERT_EQ(0, vlog.num_delete());
+ ASSERT_EQ(0, vlog.num_update());
+ ASSERT_EQ(0, vlog.num_select());
+
+ vlog.AddEvent(history::VisitLog::DELETE_VISIT);
+ vlog.AddEvent(history::VisitLog::UPDATE_VISIT);
+ vlog.AddEvent(history::VisitLog::SELECT_VISIT);
+
+ ASSERT_EQ(history::VisitLog::DELETE_VISIT, vlog_buffer[0]);
+ ASSERT_EQ(history::VisitLog::UPDATE_VISIT, vlog_buffer[1]);
+ ASSERT_EQ(history::VisitLog::SELECT_VISIT, vlog_buffer[2]);
+ ASSERT_EQ(history::VisitLog::ADD_VISIT, vlog_buffer[vlog_buffer_size-1]);
+ ASSERT_EQ(vlog_buffer_size, vlog.num_add());
+ ASSERT_EQ(1, vlog.num_delete());
+ ASSERT_EQ(1, vlog.num_update());
+ ASSERT_EQ(1, vlog.num_select());
+}
generated by cgit v1.1 at 2025-02-12 17:55:51 +0000