OLD | NEW |
(Empty) | |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "components/update_client/ping_manager.h" |
| 6 |
| 7 #include <string> |
| 8 #include <vector> |
| 9 |
| 10 #include "base/bind.h" |
| 11 #include "base/bind_helpers.h" |
| 12 #include "base/compiler_specific.h" |
| 13 #include "base/location.h" |
| 14 #include "base/logging.h" |
| 15 #include "base/macros.h" |
| 16 #include "base/memory/scoped_ptr.h" |
| 17 #include "base/sequenced_task_runner.h" |
| 18 #include "base/strings/string_number_conversions.h" |
| 19 #include "base/strings/string_util.h" |
| 20 #include "base/strings/stringprintf.h" |
| 21 #include "base/threading/thread_checker.h" |
| 22 #include "components/update_client/configurator.h" |
| 23 #include "components/update_client/crx_update_item.h" |
| 24 #include "components/update_client/request_sender.h" |
| 25 #include "components/update_client/utils.h" |
| 26 #include "net/url_request/url_fetcher.h" |
| 27 #include "url/gurl.h" |
| 28 |
| 29 namespace update_client { |
| 30 |
| 31 namespace { |
| 32 |
| 33 // Returns a string literal corresponding to the value of the downloader |d|. |
| 34 const char* DownloaderToString(CrxDownloader::DownloadMetrics::Downloader d) { |
| 35 switch (d) { |
| 36 case CrxDownloader::DownloadMetrics::kUrlFetcher: |
| 37 return "direct"; |
| 38 case CrxDownloader::DownloadMetrics::kBits: |
| 39 return "bits"; |
| 40 default: |
| 41 return "unknown"; |
| 42 } |
| 43 } |
| 44 |
| 45 // Returns a string representing a sequence of download complete events |
| 46 // corresponding to each download metrics in |item|. |
| 47 std::string BuildDownloadCompleteEventElements(const CrxUpdateItem* item) { |
| 48 using base::StringAppendF; |
| 49 std::string download_events; |
| 50 for (size_t i = 0; i != item->download_metrics.size(); ++i) { |
| 51 const CrxDownloader::DownloadMetrics& metrics = item->download_metrics[i]; |
| 52 std::string event("<event eventtype=\"14\""); |
| 53 StringAppendF(&event, " eventresult=\"%d\"", metrics.error == 0); |
| 54 StringAppendF(&event, " downloader=\"%s\"", |
| 55 DownloaderToString(metrics.downloader)); |
| 56 if (metrics.error) { |
| 57 StringAppendF(&event, " errorcode=\"%d\"", metrics.error); |
| 58 } |
| 59 StringAppendF(&event, " url=\"%s\"", metrics.url.spec().c_str()); |
| 60 |
| 61 // -1 means that the byte counts are not known. |
| 62 if (metrics.downloaded_bytes != -1) { |
| 63 StringAppendF(&event, " downloaded=\"%s\"", |
| 64 base::Int64ToString(metrics.downloaded_bytes).c_str()); |
| 65 } |
| 66 if (metrics.total_bytes != -1) { |
| 67 StringAppendF(&event, " total=\"%s\"", |
| 68 base::Int64ToString(metrics.total_bytes).c_str()); |
| 69 } |
| 70 |
| 71 if (metrics.download_time_ms) { |
| 72 StringAppendF(&event, " download_time_ms=\"%s\"", |
| 73 base::Uint64ToString(metrics.download_time_ms).c_str()); |
| 74 } |
| 75 StringAppendF(&event, "/>"); |
| 76 |
| 77 download_events += event; |
| 78 } |
| 79 return download_events; |
| 80 } |
| 81 |
| 82 // Returns a string representing one ping event xml element for an update item. |
| 83 std::string BuildUpdateCompleteEventElement(const CrxUpdateItem* item) { |
| 84 DCHECK(item->status == CrxUpdateItem::kNoUpdate || |
| 85 item->status == CrxUpdateItem::kUpdated); |
| 86 |
| 87 using base::StringAppendF; |
| 88 |
| 89 std::string ping_event("<event eventtype=\"3\""); |
| 90 const int event_result = item->status == CrxUpdateItem::kUpdated; |
| 91 StringAppendF(&ping_event, " eventresult=\"%d\"", event_result); |
| 92 if (item->error_category) |
| 93 StringAppendF(&ping_event, " errorcat=\"%d\"", item->error_category); |
| 94 if (item->error_code) |
| 95 StringAppendF(&ping_event, " errorcode=\"%d\"", item->error_code); |
| 96 if (item->extra_code1) |
| 97 StringAppendF(&ping_event, " extracode1=\"%d\"", item->extra_code1); |
| 98 if (HasDiffUpdate(item)) |
| 99 StringAppendF(&ping_event, " diffresult=\"%d\"", !item->diff_update_failed); |
| 100 if (item->diff_error_category) { |
| 101 StringAppendF(&ping_event, " differrorcat=\"%d\"", |
| 102 item->diff_error_category); |
| 103 } |
| 104 if (item->diff_error_code) |
| 105 StringAppendF(&ping_event, " differrorcode=\"%d\"", item->diff_error_code); |
| 106 if (item->diff_extra_code1) { |
| 107 StringAppendF(&ping_event, " diffextracode1=\"%d\"", |
| 108 item->diff_extra_code1); |
| 109 } |
| 110 if (!item->previous_fp.empty()) |
| 111 StringAppendF(&ping_event, " previousfp=\"%s\"", item->previous_fp.c_str()); |
| 112 if (!item->next_fp.empty()) |
| 113 StringAppendF(&ping_event, " nextfp=\"%s\"", item->next_fp.c_str()); |
| 114 StringAppendF(&ping_event, "/>"); |
| 115 return ping_event; |
| 116 } |
| 117 |
| 118 // Builds a ping message for the specified update item. |
| 119 std::string BuildPing(const Configurator& config, const CrxUpdateItem* item) { |
| 120 const char app_element_format[] = |
| 121 "<app appid=\"%s\" version=\"%s\" nextversion=\"%s\">" |
| 122 "%s" |
| 123 "%s" |
| 124 "</app>"; |
| 125 const std::string app_element(base::StringPrintf( |
| 126 app_element_format, |
| 127 item->id.c_str(), // "appid" |
| 128 item->previous_version.GetString().c_str(), // "version" |
| 129 item->next_version.GetString().c_str(), // "nextversion" |
| 130 BuildUpdateCompleteEventElement(item).c_str(), // update event |
| 131 BuildDownloadCompleteEventElements(item).c_str())); // download events |
| 132 |
| 133 return BuildProtocolRequest(config.GetBrowserVersion().GetString(), |
| 134 config.GetChannel(), config.GetLang(), |
| 135 config.GetOSLongName(), app_element, ""); |
| 136 } |
| 137 |
| 138 // Sends a fire and forget ping. The instances of this class have no |
| 139 // ownership and they self-delete upon completion. One instance of this class |
| 140 // can send only one ping. |
| 141 class PingSender { |
| 142 public: |
| 143 explicit PingSender(const Configurator& config); |
| 144 ~PingSender(); |
| 145 |
| 146 bool SendPing(const CrxUpdateItem* item); |
| 147 |
| 148 private: |
| 149 void OnRequestSenderComplete(const net::URLFetcher* source); |
| 150 |
| 151 const Configurator& config_; |
| 152 scoped_ptr<RequestSender> request_sender_; |
| 153 base::ThreadChecker thread_checker_; |
| 154 |
| 155 DISALLOW_COPY_AND_ASSIGN(PingSender); |
| 156 }; |
| 157 |
| 158 PingSender::PingSender(const Configurator& config) : config_(config) { |
| 159 } |
| 160 |
| 161 PingSender::~PingSender() { |
| 162 DCHECK(thread_checker_.CalledOnValidThread()); |
| 163 } |
| 164 |
| 165 void PingSender::OnRequestSenderComplete(const net::URLFetcher* source) { |
| 166 DCHECK(thread_checker_.CalledOnValidThread()); |
| 167 delete this; |
| 168 } |
| 169 |
| 170 bool PingSender::SendPing(const CrxUpdateItem* item) { |
| 171 DCHECK(item); |
| 172 DCHECK(thread_checker_.CalledOnValidThread()); |
| 173 |
| 174 std::vector<GURL> urls(config_.PingUrl()); |
| 175 |
| 176 if (urls.empty()) |
| 177 return false; |
| 178 |
| 179 request_sender_.reset(new RequestSender(config_)); |
| 180 request_sender_->Send( |
| 181 BuildPing(config_, item), urls, |
| 182 base::Bind(&PingSender::OnRequestSenderComplete, base::Unretained(this))); |
| 183 return true; |
| 184 } |
| 185 |
| 186 } // namespace |
| 187 |
| 188 PingManager::PingManager(const Configurator& config) : config_(config) { |
| 189 } |
| 190 |
| 191 PingManager::~PingManager() { |
| 192 } |
| 193 |
| 194 // Sends a fire and forget ping when the updates are complete. The ping |
| 195 // sender object self-deletes after sending the ping has completed asynchrously. |
| 196 void PingManager::OnUpdateComplete(const CrxUpdateItem* item) { |
| 197 PingSender* ping_sender(new PingSender(config_)); |
| 198 if (!ping_sender->SendPing(item)) |
| 199 delete ping_sender; |
| 200 } |
| 201 |
| 202 } // namespace update_client |
OLD | NEW |