AU: Implement server-dictated poll interval.

omaha_request_action.cc

 // Copyright (c) 2010 The Chromium OS 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 "update_engine/omaha_request_action.h"
+
 #include <inttypes.h>
+
 #include <sstream>
 
+#include <base/string_number_conversions.h>
+#include <base/string_util.h>
+#include <base/time.h>
+#include <base/logging.h>
 #include <libxml/parser.h>
 #include <libxml/xpath.h>
 #include <libxml/xpathInternals.h>
 
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/time.h"
-#include "base/logging.h"
 #include "update_engine/action_pipe.h"
 #include "update_engine/omaha_request_params.h"
 #include "update_engine/prefs_interface.h"
 #include "update_engine/utils.h"
 
 using base::Time;
 using base::TimeDelta;
 using std::string;
 
 namespace chromeos_update_engine {
@@ skipping 343 matching lines @@
   CHECK(nodeset) << "XPath missing NodeSet";
   CHECK_GE(nodeset->nodeNr, 1);
 
   xmlNode* updatecheck_node = nodeset->nodeTab[0];
   // get status
   if (!xmlHasProp(updatecheck_node, ConstXMLStr("status"))) {
     LOG(ERROR) << "Response missing status";
     return;
   }
 
+  OmahaResponse output_object;
+  base::StringToInt(XmlGetProperty(updatecheck_node, "PollInterval"),
+                    &output_object.poll_interval);
   const string status(XmlGetProperty(updatecheck_node, "status"));
-  OmahaResponse output_object;
   if (status == "noupdate") {
     LOG(INFO) << "No update.";
     output_object.update_exists = false;
     SetOutputObject(output_object);
     completer.set_code(kActionCodeSuccess);
     return;
   }
 
   if (status != "ok") {
     LOG(ERROR) << "Unknown status: " << status;
@@ skipping 10 matching lines @@
   output_object.codebase = XmlGetProperty(updatecheck_node, "codebase");
   output_object.more_info_url = XmlGetProperty(updatecheck_node, "MoreInfo");
   output_object.hash = XmlGetProperty(updatecheck_node, "hash");
   output_object.size = ParseInt(XmlGetProperty(updatecheck_node, "size"));
   output_object.needs_admin =
       XmlGetProperty(updatecheck_node, "needsadmin") == "true";
   output_object.prompt = XmlGetProperty(updatecheck_node, "Prompt") == "true";
   output_object.is_delta =
       XmlGetProperty(updatecheck_node, "IsDelta") == "true";
   SetOutputObject(output_object);
-  return;
 }
 
 };  // namespace chromeos_update_engine