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| 1 // Copyright 2013 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 "net/log/net_log_logger.h" | |
| 6 | |
| 7 #include <stdio.h> | |
| 8 | |
| 9 #include <set> | |
| 10 | |
| 11 #include "base/json/json_writer.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/memory/scoped_ptr.h" | |
| 14 #include "base/values.h" | |
| 15 #include "net/log/net_log_util.h" | |
| 16 #include "net/url_request/url_request_context.h" | |
| 17 | |
| 18 namespace net { | |
| 19 | |
| 20 NetLogLogger::NetLogLogger() | |
| 21 : log_level_(NetLog::LOG_STRIP_PRIVATE_DATA), added_events_(false) { | |
| 22 } | |
| 23 | |
| 24 NetLogLogger::~NetLogLogger() { | |
| 25 } | |
| 26 | |
| 27 void NetLogLogger::set_log_level(net::NetLog::LogLevel log_level) { | |
| 28 DCHECK(!net_log()); | |
| 29 log_level_ = log_level; | |
| 30 } | |
| 31 | |
| 32 void NetLogLogger::StartObserving(net::NetLog* net_log, | |
| 33 base::ScopedFILE file, | |
| 34 base::Value* constants, | |
| 35 net::URLRequestContext* url_request_context) { | |
| 36 DCHECK(file.get()); | |
| 37 file_ = file.Pass(); | |
| 38 added_events_ = false; | |
| 39 | |
| 40 // Write constants to the output file. This allows loading files that have | |
| 41 // different source and event types, as they may be added and removed | |
| 42 // between Chrome versions. | |
| 43 std::string json; | |
| 44 if (constants) { | |
| 45 base::JSONWriter::Write(constants, &json); | |
| 46 } else { | |
| 47 scoped_ptr<base::DictionaryValue> scoped_constants(GetNetConstants()); | |
| 48 base::JSONWriter::Write(scoped_constants.get(), &json); | |
| 49 } | |
| 50 fprintf(file_.get(), "{\"constants\": %s,\n", json.c_str()); | |
| 51 | |
| 52 // Start events array. It's closed in StopObserving(). | |
| 53 fprintf(file_.get(), "\"events\": [\n"); | |
| 54 | |
| 55 // Add events for in progress requests if a context is given. | |
| 56 if (url_request_context) { | |
| 57 DCHECK(url_request_context->CalledOnValidThread()); | |
| 58 | |
| 59 std::set<URLRequestContext*> contexts; | |
| 60 contexts.insert(url_request_context); | |
| 61 CreateNetLogEntriesForActiveObjects(contexts, this); | |
| 62 } | |
| 63 | |
| 64 net_log->DeprecatedAddObserver(this, log_level_); | |
| 65 } | |
| 66 | |
| 67 void NetLogLogger::StopObserving(net::URLRequestContext* url_request_context) { | |
| 68 net_log()->DeprecatedRemoveObserver(this); | |
| 69 | |
| 70 // End events array. | |
| 71 fprintf(file_.get(), "]"); | |
| 72 | |
| 73 // Write state of the URLRequestContext when logging stopped. | |
| 74 if (url_request_context) { | |
| 75 DCHECK(url_request_context->CalledOnValidThread()); | |
| 76 | |
| 77 std::string json; | |
| 78 scoped_ptr<base::DictionaryValue> net_info = | |
| 79 GetNetInfo(url_request_context, NET_INFO_ALL_SOURCES); | |
| 80 base::JSONWriter::Write(net_info.get(), &json); | |
| 81 fprintf(file_.get(), ",\"tabInfo\": %s\n", json.c_str()); | |
| 82 } | |
| 83 fprintf(file_.get(), "}"); | |
| 84 | |
| 85 file_.reset(); | |
| 86 } | |
| 87 | |
| 88 void NetLogLogger::OnAddEntry(const net::NetLog::Entry& entry) { | |
| 89 // Add a comma and newline for every event but the first. Newlines are needed | |
| 90 // so can load partial log files by just ignoring the last line. For this to | |
| 91 // work, lines cannot be pretty printed. | |
| 92 scoped_ptr<base::Value> value(entry.ToValue()); | |
| 93 std::string json; | |
| 94 base::JSONWriter::Write(value.get(), &json); | |
| 95 fprintf(file_.get(), "%s%s", (added_events_ ? ",\n" : ""), json.c_str()); | |
| 96 added_events_ = true; | |
| 97 } | |
| 98 | |
| 99 } // namespace net | |
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Chromium Code Reviews
Issue 1084533002:
Rename NetLogLogger and CapturingNetLog (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master