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Side by Side Diff: components/component_updater/component_updater_ping_manager.cc

Issue 808773005: Move most of the component updater artifacts to update_client. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 11 months ago
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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/component_updater/component_updater_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/component_updater/component_updater_configurator.h"
23 #include "components/component_updater/component_updater_utils.h"
24 #include "components/component_updater/crx_update_item.h"
25 #include "components/component_updater/request_sender.h"
26 #include "url/gurl.h"
27
28 namespace net {
29 class URLFetcher;
30 } // namespace net
31
32 namespace component_updater {
33
34 namespace {
35
36 // Returns a string literal corresponding to the value of the downloader |d|.
37 const char* DownloaderToString(CrxDownloader::DownloadMetrics::Downloader d) {
38 switch (d) {
39 case CrxDownloader::DownloadMetrics::kUrlFetcher:
40 return "direct";
41 case CrxDownloader::DownloadMetrics::kBits:
42 return "bits";
43 default:
44 return "unknown";
45 }
46 }
47
48 // Returns a string representing a sequence of download complete events
49 // corresponding to each download metrics in |item|.
50 std::string BuildDownloadCompleteEventElements(const CrxUpdateItem* item) {
51 using base::StringAppendF;
52 std::string download_events;
53 for (size_t i = 0; i != item->download_metrics.size(); ++i) {
54 const CrxDownloader::DownloadMetrics& metrics = item->download_metrics[i];
55 std::string event("<event eventtype=\"14\"");
56 StringAppendF(&event, " eventresult=\"%d\"", metrics.error == 0);
57 StringAppendF(&event,
58 " downloader=\"%s\"",
59 DownloaderToString(metrics.downloader));
60 if (metrics.error) {
61 StringAppendF(&event, " errorcode=\"%d\"", metrics.error);
62 }
63 StringAppendF(&event, " url=\"%s\"", metrics.url.spec().c_str());
64
65 // -1 means that the byte counts are not known.
66 if (metrics.downloaded_bytes != -1) {
67 StringAppendF(&event,
68 " downloaded=\"%s\"",
69 base::Int64ToString(metrics.downloaded_bytes).c_str());
70 }
71 if (metrics.total_bytes != -1) {
72 StringAppendF(&event,
73 " total=\"%s\"",
74 base::Int64ToString(metrics.total_bytes).c_str());
75 }
76
77 if (metrics.download_time_ms) {
78 StringAppendF(&event,
79 " download_time_ms=\"%s\"",
80 base::Uint64ToString(metrics.download_time_ms).c_str());
81 }
82 StringAppendF(&event, "/>");
83
84 download_events += event;
85 }
86 return download_events;
87 }
88
89 // Returns a string representing one ping event xml element for an update item.
90 std::string BuildUpdateCompleteEventElement(const CrxUpdateItem* item) {
91 DCHECK(item->status == CrxUpdateItem::kNoUpdate ||
92 item->status == CrxUpdateItem::kUpdated);
93
94 using base::StringAppendF;
95
96 std::string ping_event("<event eventtype=\"3\"");
97 const int event_result = item->status == CrxUpdateItem::kUpdated;
98 StringAppendF(&ping_event, " eventresult=\"%d\"", event_result);
99 if (item->error_category)
100 StringAppendF(&ping_event, " errorcat=\"%d\"", item->error_category);
101 if (item->error_code)
102 StringAppendF(&ping_event, " errorcode=\"%d\"", item->error_code);
103 if (item->extra_code1)
104 StringAppendF(&ping_event, " extracode1=\"%d\"", item->extra_code1);
105 if (HasDiffUpdate(item))
106 StringAppendF(&ping_event, " diffresult=\"%d\"", !item->diff_update_failed);
107 if (item->diff_error_category) {
108 StringAppendF(
109 &ping_event, " differrorcat=\"%d\"", item->diff_error_category);
110 }
111 if (item->diff_error_code)
112 StringAppendF(&ping_event, " differrorcode=\"%d\"", item->diff_error_code);
113 if (item->diff_extra_code1) {
114 StringAppendF(
115 &ping_event, " diffextracode1=\"%d\"", item->diff_extra_code1);
116 }
117 if (!item->previous_fp.empty())
118 StringAppendF(&ping_event, " previousfp=\"%s\"", item->previous_fp.c_str());
119 if (!item->next_fp.empty())
120 StringAppendF(&ping_event, " nextfp=\"%s\"", item->next_fp.c_str());
121 StringAppendF(&ping_event, "/>");
122 return ping_event;
123 }
124
125 // Builds a ping message for the specified update item.
126 std::string BuildPing(const Configurator& config, const CrxUpdateItem* item) {
127 const char app_element_format[] =
128 "<app appid=\"%s\" version=\"%s\" nextversion=\"%s\">"
129 "%s"
130 "%s"
131 "</app>";
132 const std::string app_element(base::StringPrintf(
133 app_element_format,
134 item->id.c_str(), // "appid"
135 item->previous_version.GetString().c_str(), // "version"
136 item->next_version.GetString().c_str(), // "nextversion"
137 BuildUpdateCompleteEventElement(item).c_str(), // update event
138 BuildDownloadCompleteEventElements(item).c_str())); // download events
139
140 return BuildProtocolRequest(config.GetBrowserVersion().GetString(),
141 config.GetChannel(),
142 config.GetLang(),
143 config.GetOSLongName(),
144 app_element,
145 "");
146 }
147
148 // Sends a fire and forget ping. The instances of this class have no
149 // ownership and they self-delete upon completion. One instance of this class
150 // can send only one ping.
151 class PingSender {
152 public:
153 explicit PingSender(const Configurator& config);
154 ~PingSender();
155
156 bool SendPing(const CrxUpdateItem* item);
157
158 private:
159 void OnRequestSenderComplete(const net::URLFetcher* source);
160
161 const Configurator& config_;
162 scoped_ptr<RequestSender> request_sender_;
163 base::ThreadChecker thread_checker_;
164
165 DISALLOW_COPY_AND_ASSIGN(PingSender);
166 };
167
168 PingSender::PingSender(const Configurator& config) : config_(config) {
169 }
170
171 PingSender::~PingSender() {
172 DCHECK(thread_checker_.CalledOnValidThread());
173 }
174
175 void PingSender::OnRequestSenderComplete(const net::URLFetcher* source) {
176 DCHECK(thread_checker_.CalledOnValidThread());
177 delete this;
178 }
179
180 bool PingSender::SendPing(const CrxUpdateItem* item) {
181 DCHECK(item);
182 DCHECK(thread_checker_.CalledOnValidThread());
183
184 std::vector<GURL> urls(config_.PingUrl());
185
186 if (urls.empty())
187 return false;
188
189 request_sender_.reset(new RequestSender(config_));
190 request_sender_->Send(
191 BuildPing(config_, item),
192 urls,
193 base::Bind(&PingSender::OnRequestSenderComplete, base::Unretained(this)));
194 return true;
195 }
196
197 } // namespace
198
199 PingManager::PingManager(const Configurator& config) : config_(config) {
200 }
201
202 PingManager::~PingManager() {
203 }
204
205 // Sends a fire and forget ping when the updates are complete. The ping
206 // sender object self-deletes after sending the ping has completed asynchrously.
207 void PingManager::OnUpdateComplete(const CrxUpdateItem* item) {
208 PingSender* ping_sender(new PingSender(config_));
209 if (!ping_sender->SendPing(item))
210 delete ping_sender;
211 }
212
213 } // namespace component_updater
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