| // 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 "base/guid.h" |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.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" |
| |
| namespace { |
| |
| // Returns true if the |update_item| contains a valid differential update url. |
| bool HasDiffUpdate(const CrxUpdateItem* update_item) { |
| return update_item->diff_crx_url.is_valid(); |
| } |
| |
| } // namespace |
| |
| namespace component_updater { |
| |
| // 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 GURL& ping_url, |
| 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 CrxUpdateItem* item); |
| static std::string BuildPingEventElement(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 GURL& ping_url, |
| net::URLRequestContextGetter* url_request_context_getter, |
| const CrxUpdateItem* item) { |
| DCHECK(item); |
| |
| if (!ping_url.is_valid()) |
| return; |
| |
| url_fetcher_.reset(SendProtocolRequest(ping_url, |
| BuildPing(item), |
| this, |
| url_request_context_getter)); |
| } |
| |
| // Builds a ping message for the specified update item. |
| std::string PingSender::BuildPing(const CrxUpdateItem* item) { |
| const char app_element_format[] = |
| "<app appid=\"%s\" version=\"%s\" nextversion=\"%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" |
| BuildPingEventElement(item).c_str())); |
| |
| return BuildProtocolRequest(app_element); |
| } |
| |
| // Returns a string representing one ping event xml element for an update item. |
| std::string PingSender::BuildPingEventElement(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 GURL& ping_url, |
| net::URLRequestContextGetter* url_request_context_getter) |
| : ping_url_(ping_url), |
| url_request_context_getter_(url_request_context_getter) { |
| } |
| |
| 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) { |
| component_updater::PingSender* ping_sender(new PingSender); |
| ping_sender->SendPing(ping_url_, url_request_context_getter_, item); |
| } |
| |
| } // namespace component_updater |
| |