Send compressed histograms with system logs when sending feedback.

chrome/browser/feedback/feedback_data.cc

 // Copyright (c) 2012 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/feedback/feedback_data.h"
 
 #include "base/file_util.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 21 matching lines @@
 const size_t kFeedbackMaxLength = 4 * 1024;
 const size_t kFeedbackMaxLineCount = 40;
 
 const char kTraceFilename[] = "tracing.zip\n";
 const char kPerformanceCategoryTag[] = "Performance";
 
 const char kZipExt[] = ".zip";
 
 const base::FilePath::CharType kLogsFilename[] =
     FILE_PATH_LITERAL("system_logs.txt");
+const base::FilePath::CharType kHistogramsFilename[] =
+    FILE_PATH_LITERAL("histograms.txt");
 
 // Converts the system logs into a string that we can compress and send
 // with the report. This method only converts those logs that we want in
 // the compressed zip file sent with the report, hence it ignores any logs
 // below the size threshold of what we want compressed.
 std::string LogsToString(FeedbackData::SystemLogsMap* sys_info) {
   std::string syslogs_string;
   for (FeedbackData::SystemLogsMap::const_iterator it = sys_info->begin();
       it != sys_info->end(); ++it) {
     std::string key = it->first;
@@ skipping 28 matching lines @@
              std::string* compressed_logs) {
   DCHECK(compressed_logs);
   std::string logs_string = LogsToString(sys_info);
   if (logs_string.empty() ||
       !feedback_util::ZipString(
           base::FilePath(kLogsFilename), logs_string, compressed_logs)) {
     compressed_logs->clear();
   }
 }
 
+void ZipHistograms(const std::string& histograms,
+                   std::string* compressed_histograms) {
+  DCHECK(compressed_histograms);
+  if (histograms.empty() ||
+      !feedback_util::ZipString(
+          base::FilePath(kHistogramsFilename),
+          histograms,
+          compressed_histograms)) {
+    compressed_histograms->clear();
+  }
+}
+
 }  // namespace
 
 // static
 bool FeedbackData::BelowCompressionThreshold(const std::string& content) {
   if (content.length() > kFeedbackMaxLength)
     return false;
   const size_t line_count = std::count(content.begin(), content.end(), '\n');
   if (line_count > kFeedbackMaxLineCount)
     return false;
   return true;
 }
 
 FeedbackData::FeedbackData() : profile_(NULL),
                                trace_id_(0),
                                feedback_page_data_complete_(false),
                                syslogs_compression_complete_(false),
+                               histograms_compression_complete_(false),
                                attached_file_compression_complete_(false),
                                report_sent_(false) {
 }
 
 FeedbackData::~FeedbackData() {
 }
 
 void FeedbackData::OnFeedbackPageDataComplete() {
   feedback_page_data_complete_ = true;
   SendReport();
@@ skipping 21 matching lines @@
         FROM_HERE,
         base::Bind(&ZipLogs,
                    sys_info_.get(),
                    compressed_logs_ptr),
         base::Bind(&FeedbackData::OnCompressLogsComplete,
                    this,
                    base::Passed(&compressed_logs)));
   }
 }
 
+void FeedbackData::SetAndCompressHistograms(
+    const std::string& histograms) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  histograms_ = histograms;
+  if (!histograms_.empty()) {
+    std::string* compressed_histograms_ptr = new std::string;
+    scoped_ptr<std::string> compressed_histograms(compressed_histograms_ptr);
+    BrowserThread::PostBlockingPoolTaskAndReply(
+        FROM_HERE,
+        base::Bind(&ZipHistograms,
+                   histograms_,
+                   compressed_histograms_ptr),
+        base::Bind(&FeedbackData::OnCompressHistogramsComplete,
+                   this,
+                   base::Passed(&compressed_histograms)));
+  }
+}
+
 void FeedbackData::AttachAndCompressFileData(
     scoped_ptr<std::string> attached_filedata) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   attached_filedata_ = attached_filedata.Pass();
 
   if (!attached_filename_.empty() && attached_filedata_.get()) {
     std::string* compressed_file_ptr = new std::string;
     scoped_ptr<std::string> compressed_file(compressed_file_ptr);
 #if defined(OS_WIN)
@@ skipping 35 matching lines @@
 void FeedbackData::OnCompressLogsComplete(
     scoped_ptr<std::string> compressed_logs) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   compressed_logs_ = compressed_logs.Pass();
   syslogs_compression_complete_ = true;
 
   SendReport();
 }
 
+void FeedbackData::OnCompressHistogramsComplete(
+    scoped_ptr<std::string> compressed_histograms) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  compressed_histograms_ = compressed_histograms.Pass();
+  histograms_compression_complete_ = true;
+
+  SendReport();
+}
+
 void FeedbackData::OnCompressFileComplete(
     scoped_ptr<std::string> compressed_file) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (compressed_file.get()) {
     attached_filedata_ = compressed_file.Pass();
     attached_filename_.append(kZipExt);
     attached_file_compression_complete_ = true;
   } else {
     attached_filename_.clear();
     attached_filedata_.reset(NULL);
   }
 
   SendReport();
 }
 
 bool FeedbackData::IsDataComplete() {
   return (!sys_info_.get() || syslogs_compression_complete_) &&
+      (histograms_.empty() || histograms_compression_complete_) &&
       (!attached_filedata_.get() || attached_file_compression_complete_) &&
       !trace_id_ &&
       feedback_page_data_complete_;
 }
 
 void FeedbackData::SendReport() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (IsDataComplete() && !report_sent_) {
     report_sent_ = true;
     feedback_util::SendReport(this);
   }
 }