Componentize component_updater: Move over a bunch of files to the component.

chrome/browser/component_updater/component_updater_ping_manager.cc

-// Copyright 2013 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/component_updater/component_updater_ping_manager.h"
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/guid.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "chrome/browser/component_updater/component_updater_configurator.h"
-#include "chrome/browser/component_updater/component_updater_utils.h"
-#include "chrome/browser/component_updater/crx_update_item.h"
-#include "net/url_request/url_fetcher.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "url/gurl.h"
-
-namespace component_updater {
-
-// Returns a string literal corresponding to the value of the downloader |d|.
-const char* DownloaderToString(CrxDownloader::DownloadMetrics::Downloader d) {
-  switch (d) {
-    case CrxDownloader::DownloadMetrics::kUrlFetcher:
-      return "direct";
-    case CrxDownloader::DownloadMetrics::kBits:
-      return "bits";
-    default:
-      return "unknown";
-  }
-}
-
-// Sends a fire and forget ping. The instances of this class have no
-// ownership and they self-delete upon completion.
-class PingSender : public net::URLFetcherDelegate {
- public:
-  PingSender();
-
-  void SendPing(const Configurator& config,
-                net::URLRequestContextGetter* url_request_context_getter,
-                const CrxUpdateItem* item);
-
- private:
-  virtual ~PingSender();
-
-  // Overrides for URLFetcherDelegate.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
-
-  static std::string BuildPing(const Configurator& config,
-                               const CrxUpdateItem* item);
-  static std::string BuildDownloadCompleteEventElements(
-      const CrxUpdateItem* item);
-  static std::string BuildUpdateCompleteEventElement(const CrxUpdateItem* item);
-
-  scoped_ptr<net::URLFetcher> url_fetcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(PingSender);
-};
-
-PingSender::PingSender() {
-}
-
-PingSender::~PingSender() {
-}
-
-void PingSender::OnURLFetchComplete(const net::URLFetcher* source) {
-  delete this;
-}
-
-void PingSender::SendPing(
-    const Configurator& config,
-    net::URLRequestContextGetter* url_request_context_getter,
-    const CrxUpdateItem* item) {
-  DCHECK(item);
-
-  if (!config.PingUrl().is_valid())
-    return;
-
-  url_fetcher_.reset(SendProtocolRequest(config.PingUrl(),
-                                         BuildPing(config, item),
-                                         this,
-                                         url_request_context_getter));
-}
-
-// Builds a ping message for the specified update item.
-std::string PingSender::BuildPing(const Configurator& config,
-                                  const CrxUpdateItem* item) {
-  const char app_element_format[] =
-      "<app appid=\"%s\" version=\"%s\" nextversion=\"%s\">"
-      "%s"
-      "%s"
-      "</app>";
-  const std::string app_element(base::StringPrintf(
-      app_element_format,
-      item->id.c_str(),                                    // "appid"
-      item->previous_version.GetString().c_str(),          // "version"
-      item->next_version.GetString().c_str(),              // "nextversion"
-      BuildUpdateCompleteEventElement(item).c_str(),       // update event
-      BuildDownloadCompleteEventElements(item).c_str()));  // download events
-
-  return BuildProtocolRequest(config.GetBrowserVersion().GetString(),
-                              config.GetChannel(),
-                              config.GetLang(),
-                              config.GetOSLongName(),
-                              app_element,
-                              "");
-}
-
-// Returns a string representing a sequence of download complete events
-// corresponding to each download metrics in |item|.
-std::string PingSender::BuildDownloadCompleteEventElements(
-    const CrxUpdateItem* item) {
-  using base::StringAppendF;
-  std::string download_events;
-  for (size_t i = 0; i != item->download_metrics.size(); ++i) {
-    const CrxDownloader::DownloadMetrics& metrics = item->download_metrics[i];
-    std::string event("<event eventtype=\"14\"");
-    StringAppendF(&event, " eventresult=\"%d\"", metrics.error == 0);
-    StringAppendF(&event,
-                  " downloader=\"%s\"",
-                  DownloaderToString(metrics.downloader));
-    if (metrics.error) {
-      StringAppendF(&event, " errorcode=\"%d\"", metrics.error);
-    }
-    StringAppendF(&event, " url=\"%s\"", metrics.url.spec().c_str());
-
-    // -1 means that the  byte counts are not known.
-    if (metrics.downloaded_bytes != -1) {
-      StringAppendF(&event,
-                    " downloaded=\"%s\"",
-                    base::Int64ToString(metrics.downloaded_bytes).c_str());
-    }
-    if (metrics.total_bytes != -1) {
-      StringAppendF(&event,
-                    " total=\"%s\"",
-                    base::Int64ToString(metrics.total_bytes).c_str());
-    }
-
-    if (metrics.download_time_ms) {
-      StringAppendF(&event,
-                    " download_time_ms=\"%s\"",
-                    base::Uint64ToString(metrics.download_time_ms).c_str());
-    }
-    StringAppendF(&event, "/>");
-
-    download_events += event;
-  }
-  return download_events;
-}
-
-// Returns a string representing one ping event xml element for an update item.
-std::string PingSender::BuildUpdateCompleteEventElement(
-    const CrxUpdateItem* item) {
-  DCHECK(item->status == CrxUpdateItem::kNoUpdate ||
-         item->status == CrxUpdateItem::kUpdated);
-
-  using base::StringAppendF;
-
-  std::string ping_event("<event eventtype=\"3\"");
-  const int event_result = item->status == CrxUpdateItem::kUpdated;
-  StringAppendF(&ping_event, " eventresult=\"%d\"", event_result);
-  if (item->error_category)
-    StringAppendF(&ping_event, " errorcat=\"%d\"", item->error_category);
-  if (item->error_code)
-    StringAppendF(&ping_event, " errorcode=\"%d\"", item->error_code);
-  if (item->extra_code1)
-    StringAppendF(&ping_event, " extracode1=\"%d\"", item->extra_code1);
-  if (HasDiffUpdate(item))
-    StringAppendF(&ping_event, " diffresult=\"%d\"", !item->diff_update_failed);
-  if (item->diff_error_category) {
-    StringAppendF(
-        &ping_event, " differrorcat=\"%d\"", item->diff_error_category);
-  }
-  if (item->diff_error_code)
-    StringAppendF(&ping_event, " differrorcode=\"%d\"", item->diff_error_code);
-  if (item->diff_extra_code1) {
-    StringAppendF(
-        &ping_event, " diffextracode1=\"%d\"", item->diff_extra_code1);
-  }
-  if (!item->previous_fp.empty())
-    StringAppendF(&ping_event, " previousfp=\"%s\"", item->previous_fp.c_str());
-  if (!item->next_fp.empty())
-    StringAppendF(&ping_event, " nextfp=\"%s\"", item->next_fp.c_str());
-  StringAppendF(&ping_event, "/>");
-  return ping_event;
-}
-
-PingManager::PingManager(const Configurator& config) : config_(config) {
-}
-
-PingManager::~PingManager() {
-}
-
-// Sends a fire and forget ping when the updates are complete. The ping
-// sender object self-deletes after sending the ping.
-void PingManager::OnUpdateComplete(const CrxUpdateItem* item) {
-  PingSender* ping_sender(new PingSender);
-  ping_sender->SendPing(config_, config_.RequestContext(), item);
-}
-
-}  // namespace component_updater