Add support to update_engine to poke Omaha after an update has been applied

update_attempter.cc

Index: update_attempter.cc
diff --git a/update_attempter.cc b/update_attempter.cc
index f56c0d1275ffd3dca0aeb1e720b5ac59e342a3e4..9b89ba009acbed6e0879800843fdea63d5a35e23 100644
--- a/update_attempter.cc
+++ b/update_attempter.cc
@@ -128,8 +128,11 @@ void UpdateAttempter::Update(const std::string& app_version,
                              bool obey_proxies) {
   chrome_proxy_resolver_.Init();
   if (status_ == UPDATE_STATUS_UPDATED_NEED_REBOOT) {
+    // Although we have applied an update, we still want to ping Omaha
+    // to ensure the number of active statistics is accurate.
     LOG(INFO) << "Not updating b/c we already updated and we're waiting for "
-              << "reboot";
+              << "reboot, we'll ping Omaha instead";
+    PingOmaha();
     return;
   }
   if (status_ != UPDATE_STATUS_IDLE) {
@@ -602,4 +605,19 @@ void UpdateAttempter::SetupDownload() {
   }
 }
 
+void UpdateAttempter::PingOmaha() {
+  shared_ptr<OmahaRequestAction> ping_action(
+      new OmahaRequestAction(prefs_,
+                             omaha_request_params_,
+                             NULL,
+                             new LibcurlHttpFetcher(GetProxyResolver()),
+                             true));
+  actions_.push_back(shared_ptr<OmahaRequestAction>(ping_action));
+  CHECK(!processor_->IsRunning());
+  processor_->set_delegate(NULL);
+  processor_->EnqueueAction(ping_action.get());
+  processor_->StartProcessing();

[adlr, 2011/04/15 22:04:51]

the other thing that starts processing uses g_idle_add(). It's probably a good
idea to match that here

[thieule, 2011/04/15 23:32:57]

Done.

+  SetStatusAndNotify(UPDATE_STATUS_UPDATED_NEED_REBOOT);
+}
+
 }  // namespace chromeos_update_engine