UMA metrics for cloud policies.

chrome/browser/policy/user_policy_cache.cc

 // Copyright (c) 2011 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/policy/user_policy_cache.h"
 
 #include <limits>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/task.h"
 #include "base/values.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
+#include "chrome/browser/policy/enterprise_metrics.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "chrome/browser/policy/proto/cloud_policy.pb.h"
 #include "chrome/browser/policy/proto/device_management_local.pb.h"
 #include "chrome/browser/policy/proto/old_generic_format.pb.h"
 #include "content/browser/browser_thread.h"
 #include "policy/configuration_policy_type.h"
 
 namespace policy {
 
+namespace em = enterprise_management;
+
 // Decodes a CloudPolicySettings object into two maps with mandatory and
 // recommended settings, respectively. The implementation is generated code
 // in policy/cloud_policy_generated.cc.
 void DecodePolicy(const em::CloudPolicySettings& policy,
                   PolicyMap* mandatory, PolicyMap* recommended);
 
 // Handles the on-disk cache file used by UserPolicyCache. This class handles
 // the necessary thread switching and may outlive the associated UserPolicyCache
 // instance.
 class UserPolicyCache::DiskCache
@@ skipping 27 matching lines @@
 };
 
 UserPolicyCache::DiskCache::DiskCache(
     const base::WeakPtr<UserPolicyCache>& cache,
     const FilePath& backing_file_path)
     : cache_(cache),
       backing_file_path_(backing_file_path) {}
 
 void UserPolicyCache::DiskCache::Load() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  em::LogPolicyOperation(em::kPolicyLoadRequested);
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       NewRunnableMethod(this, &DiskCache::LoadOnFileThread));
 }
 
 void UserPolicyCache::DiskCache::Store(
     const em::CachedCloudPolicyResponse& policy) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  em::LogPolicyOperation(em::kPolicyStoreRequested);
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       NewRunnableMethod(this, &DiskCache::StoreOnFileThread, policy));
 }
 
 void UserPolicyCache::DiskCache::LoadOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   if (!file_util::PathExists(backing_file_path_))
     return;
 
   // Read the protobuf from the file.
   std::string data;
   if (!file_util::ReadFileToString(backing_file_path_, &data)) {
     LOG(WARNING) << "Failed to read policy data from "
                  << backing_file_path_.value();
+    em::LogPolicyOperation(em::kPolicyLoadFailed);
     return;
   }
 
   // Decode it.
   em::CachedCloudPolicyResponse cached_response;
   if (!cached_response.ParseFromArray(data.c_str(), data.size())) {
     LOG(WARNING) << "Failed to parse policy data read from "
                  << backing_file_path_.value();
+    em::LogPolicyOperation(em::kPolicyLoadFailed);
     return;
   }
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       NewRunnableMethod(this,
                         &DiskCache::FinishLoadOnUIThread,
                         cached_response));
 }
 
 void UserPolicyCache::DiskCache::FinishLoadOnUIThread(
     const em::CachedCloudPolicyResponse& policy) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (cache_.get())
     cache_->OnDiskCacheLoaded(policy);
 }
 
 
 void UserPolicyCache::DiskCache::StoreOnFileThread(
     const em::CachedCloudPolicyResponse& policy) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   std::string data;
   if (!policy.SerializeToString(&data)) {
     LOG(WARNING) << "Failed to serialize policy data";
+    em::LogPolicyOperation(em::kPolicyStoreFailed);
     return;
   }
 
   if (!file_util::CreateDirectory(backing_file_path_.DirName())) {
     LOG(WARNING) << "Failed to create directory "
                  << backing_file_path_.DirName().value();
+    em::LogPolicyOperation(em::kPolicyStoreFailed);
     return;
   }
 
   int size = data.size();
   if (file_util::WriteFile(backing_file_path_, data.c_str(), size) != size) {
     LOG(WARNING) << "Failed to write " << backing_file_path_.value();
+    em::LogPolicyOperation(em::kPolicyStoreFailed);
     return;
   }
 }
 
 UserPolicyCache::UserPolicyCache(const FilePath& backing_file_path)
     : ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
   disk_cache_ = new DiskCache(weak_ptr_factory_.GetWeakPtr(),
                               backing_file_path);
 }
 
 UserPolicyCache::~UserPolicyCache() {
 }
 
 void UserPolicyCache::Load() {
   disk_cache_->Load();
 }
 
 void UserPolicyCache::SetPolicy(const em::PolicyFetchResponse& policy) {
   base::Time now = base::Time::NowFromSystemTime();
   set_last_policy_refresh_time(now);
   base::Time timestamp;
   if (!SetPolicyInternal(policy, &timestamp, false))
     return;
+  em::LogPolicyOperation(em::kPolicyFetchOK);
 
   if (timestamp > base::Time::NowFromSystemTime() +
                   base::TimeDelta::FromMinutes(1)) {
     LOG(WARNING) << "Server returned policy with timestamp from the future, "
                     "not persisting to disk.";
     return;
   }
 
   em::CachedCloudPolicyResponse cached_policy;
   cached_policy.mutable_cloud_policy()->CopyFrom(policy);
@@ skipping 169 matching lines @@
       return list;
     }
     default:
       NOTREACHED() << "Unhandled value type";
   }
 
   return NULL;
 }
 
 }  // namespace policy