This is the O3D source tree's initial commit to the Chromium tree. It

is not built or referenced at all by the chrome build yet, and doesn't 
yet build in it's new home.  We'll change that shortly.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17035 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 245 insertions, 0 deletions

diff --git a/o3d/statsreport/uploader_aggregation-mac.mm b/o3d/statsreport/uploader_aggregation-mac.mm
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+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// Helper class to manage the process of uploading metrics.
+#include "statsreport/aggregator-mac.h"
+#include "statsreport/common/const_product.h"
+#include "statsreport/const-mac.h"
+#include "statsreport/formatter.h"
+#include "statsreport/uploader.h"
+
+
+using stats_report::Formatter;
+using stats_report::MetricsAggregatorMac;
+
+namespace stats_report {
+
+bool AggregateMetrics() {
+  using stats_report::MetricsAggregatorMac;
+  MetricsAggregatorMac aggregator(g_global_metrics);
+  if (!aggregator.AggregateMetrics()) {
+    DLOG(WARNING) << "Metrics aggregation failed for reasons unknown";
+    return false;
+  }
+
+  return true;
+}
+
+
+static bool ReportMetrics(const char* extra_url_data,
+                          const char* user_agent,
+                          uint32 interval,
+                          StatsUploader* stats_uploader) {
+  NSDictionary *dict =
+      [NSDictionary dictionaryWithContentsOfFile:O3DStatsPath()];
+
+  if (dict == nil)
+    return false;
+
+  Formatter formatter(PRODUCT_NAME_STRING, interval);
+  NSArray *keys = [dict allKeys];
+  int count = [keys count];
+
+  for(int x = 0; x < count; ++x) {
+    NSString *name = [keys objectAtIndex:x];
+    NSString *short_name = [name substringFromIndex:2];
+
+    if ([short_name length] == 0)
+      continue;
+
+    const char *short_name_c_str = [short_name UTF8String];
+    id item = [dict objectForKey:name];
+    MetricBase *current = NULL;
+    switch([name characterAtIndex:0]) {
+      case 'C':
+        current = new CountMetric(short_name_c_str,
+                                  [item longLongValue]);
+        break;
+      case 'B':
+        current = new BoolMetric(short_name_c_str,
+                                 [item boolValue] == YES);
+        break;
+      case 'T': {
+        TimingMetric::TimingData data;
+        data.count = [[item objectAtIndex:0] intValue];
+        data.sum = [[item objectAtIndex:1] longLongValue];
+        data.minimum = [[item objectAtIndex:2] longLongValue];
+        data.maximum = [[item objectAtIndex:3] longLongValue];
+        current = new TimingMetric(short_name_c_str, data);
+        }
+        break;
+      case 'I':
+        current = new IntegerMetric(short_name_c_str,
+                                    [item longLongValue]);
+        break;
+      // We don't send this piece of data as it's not a metric.
+      case 'L': // "LastTransmission"
+        break;
+    }
+    if (current != NULL)
+      formatter.AddMetric(current);
+  }
+
+  DLOG(INFO) << "formatter.output() = " << formatter.output();
+  return stats_uploader->UploadMetrics(extra_url_data,
+                                       user_agent,
+                                       formatter.output());
+}
+
+void ResetPersistentMetrics() {
+  NSError *error = nil;
+  /*
+  [[NSFileManager defaultManager] removeItemAtPath:O3DStatsPath()
+                                             error:&error];
+                                             */
+  [[NSFileManager defaultManager] removeFileAtPath:O3DStatsPath()
+                                           handler:nil];
+}
+
+
+// Returns:
+//   true if metrics were uploaded successfully, false otherwise
+//   Note: False does not necessarily mean an error, just that no metrics
+//         were uploaded
+bool AggregateAndReportMetrics(const char* extra_url_arguments,
+                               const char* user_agent,
+                               bool force_report) {
+  StatsUploader stats_uploader;
+  return TestableAggregateAndReportMetrics(extra_url_arguments, user_agent,
+                                           force_report, &stats_uploader);
+}
+
+static int GetLastTransmissionTime() {
+  NSDictionary *dict =
+      [NSDictionary dictionaryWithContentsOfFile:O3DStatsPath()];
+
+  if (dict == nil)
+    return 0;
+
+  NSNumber *when = [dict objectForKey:kLastTransmissionTimeValueName];
+
+  if (when == nil)
+    return 0;
+
+  return [when intValue];
+}
+
+static void SetLastTransmissionTime(int when) {
+  NSMutableDictionary *dict =
+      [NSMutableDictionary dictionaryWithContentsOfFile:O3DStatsPath()];
+
+  if (dict == nil)
+    dict = [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:when]
+                                       forKey:kLastTransmissionTimeValueName];
+  else
+    [dict setObject:[NSNumber numberWithInt:when]
+             forKey:kLastTransmissionTimeValueName];
+
+  [dict writeToFile:O3DStatsPath() atomically:YES];
+}
+
+
+// Returns:
+//   true if metrics were uploaded successfully, false otherwise
+//   Note: False does not necessarily mean an error, just that no metrics
+//         were uploaded
+bool TestableAggregateAndReportMetrics(const char* extra_url_arguments,
+                                       const char* user_agent,
+                                       bool force_report,
+                                       StatsUploader* stats_uploader) {
+  // Open the store
+  MetricsAggregatorMac aggregator(g_global_metrics);
+
+  int32 now = static_cast<int32>(time(NULL));
+
+  // Retrieve the last transmission time
+  int32 last_transmission_time = GetLastTransmissionTime();
+
+  // if last transmission time is missing or at all dodgy, then
+  // let's wipe all info and start afresh.
+  if (last_transmission_time == 0 || last_transmission_time > now) {
+    LOG(WARNING) << "dodgy or missing last transmission time, wiping stats";
+
+    ResetPersistentMetrics();
+
+    SetLastTransmissionTime(now);
+
+    // Force a report of the stats so we get everything currently in there.
+    force_report = true;
+  }
+
+  if (!AggregateMetrics()) {
+    DLOG(INFO) << "AggregateMetrics returned false";
+    return false;
+  }
+
+  DLOG(INFO) << "Last transmission time: " << last_transmission_time;
+  DLOG(INFO) << "Now: " << now;
+  DLOG(INFO) << "Now - Last transmission time: "
+  << now - last_transmission_time;
+  DLOG(INFO) << "Compared to: " << kStatsUploadIntervalSec;
+
+  // Set last_transmission_time such that it will force
+  // an upload of the metrics
+  if (force_report) {
+    last_transmission_time = now - kStatsUploadIntervalSec;
+  }
+  if (now - last_transmission_time >= kStatsUploadIntervalSec) {
+    bool report_result = ReportMetrics(extra_url_arguments, user_agent,
+                                       now - last_transmission_time,
+                                       stats_uploader);
+    if (report_result) {
+      DLOG(INFO) << "Stats upload successful, resetting metrics";
+
+      ResetPersistentMetrics();
+    } else {
+      DLOG(WARNING) << "Stats upload failed";
+    }
+
+    // No matter what, wait another upload interval to try again. It's better
+    // to report older stats than hammer on the stats server exactly when it
+    // has failed.
+    SetLastTransmissionTime(now);
+    return report_result;
+  }
+  return false;
+}
+
+// Used primarily for testing. Default functionality.
+bool StatsUploader::UploadMetrics(const char* extra_url_data,
+                                  const char* user_agent,
+                                  const char *content) {
+  return stats_report::UploadMetrics(extra_url_data, user_agent, content);
+}
+
+
+}  // namespace stats_report