Add function to get network stack state from a URLRequestContext.

net/base/net_log_logger.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 "net/base/net_log_logger.h"
 
 #include <stdio.h>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/metrics/field_trial.h"
-#include "base/strings/string_number_conversions.h"
 #include "base/values.h"
-#include "net/base/address_family.h"
-#include "net/base/load_states.h"
-#include "net/base/net_errors.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_utils.h"
-
-namespace {
-
-struct StringToConstant {
-  const char* name;
-  const int constant;
-};
-
-const StringToConstant kCertStatusFlags[] = {
-#define CERT_STATUS_FLAG(label, value) { #label, value },
-#include "net/cert/cert_status_flags_list.h"
-#undef CERT_STATUS_FLAG
-};
-
-const StringToConstant kLoadFlags[] = {
-#define LOAD_FLAG(label, value) { #label, value },
-#include "net/base/load_flags_list.h"
-#undef LOAD_FLAG
-};
-
-const StringToConstant kLoadStateTable[] = {
-#define LOAD_STATE(label) { # label, net::LOAD_STATE_ ## label },
-#include "net/base/load_states_list.h"
-#undef LOAD_STATE
-};
-
-const short kNetErrors[] = {
-#define NET_ERROR(label, value) value,
-#include "net/base/net_error_list.h"
-#undef NET_ERROR
-};
-
-}  // namespace
+#include "net/base/net_log_util.h"
 
 namespace net {
 
-// This should be incremented when significant changes are made that will
-// invalidate the old loading code.
-static const int kLogFormatVersion = 1;
-
 NetLogLogger::NetLogLogger(FILE* file, const base::Value& constants)
     : file_(file),
       log_level_(NetLog::LOG_STRIP_PRIVATE_DATA),
       added_events_(false) {
   DCHECK(file);
 
   // Write constants to the output file.  This allows loading files that have
   // different source and event types, as they may be added and removed
   // between Chrome versions.
   std::string json;
@@ skipping 26 matching lines @@
   // work, lines cannot be pretty printed.
   scoped_ptr<base::Value> value(entry.ToValue());
   std::string json;
   base::JSONWriter::Write(value.get(), &json);
   fprintf(file_.get(), "%s%s",
           (added_events_ ? ",\n" : ""),
           json.c_str());
   added_events_ = true;
 }
 
+// static
 base::DictionaryValue* NetLogLogger::GetConstants() {
-  base::DictionaryValue* constants_dict = new base::DictionaryValue();
-
-  // Version of the file format.
-  constants_dict->SetInteger("logFormatVersion", kLogFormatVersion);
-
-  // Add a dictionary with information on the relationship between event type
-  // enums and their symbolic names.
-  constants_dict->Set("logEventTypes", net::NetLog::GetEventTypesAsValue());
-
-  // Add a dictionary with information about the relationship between CertStatus
-  // flags and their symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (size_t i = 0; i < arraysize(kCertStatusFlags); i++)
-      dict->SetInteger(kCertStatusFlags[i].name, kCertStatusFlags[i].constant);
-
-    constants_dict->Set("certStatusFlag", dict);
-  }
-
-  // Add a dictionary with information about the relationship between load flag
-  // enums and their symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (size_t i = 0; i < arraysize(kLoadFlags); i++)
-      dict->SetInteger(kLoadFlags[i].name, kLoadFlags[i].constant);
-
-    constants_dict->Set("loadFlag", dict);
-  }
-
-  // Add a dictionary with information about the relationship between load state
-  // enums and their symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (size_t i = 0; i < arraysize(kLoadStateTable); i++)
-      dict->SetInteger(kLoadStateTable[i].name, kLoadStateTable[i].constant);
-
-    constants_dict->Set("loadState", dict);
-  }
-
-  // Add information on the relationship between net error codes and their
-  // symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (size_t i = 0; i < arraysize(kNetErrors); i++)
-      dict->SetInteger(ErrorToShortString(kNetErrors[i]), kNetErrors[i]);
-
-    constants_dict->Set("netError", dict);
-  }
-
-  // Add information on the relationship between QUIC error codes and their
-  // symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (net::QuicErrorCode error = net::QUIC_NO_ERROR;
-         error < net::QUIC_LAST_ERROR;
-         error = static_cast<net::QuicErrorCode>(error + 1)) {
-      dict->SetInteger(net::QuicUtils::ErrorToString(error),
-                       static_cast<int>(error));
-    }
-
-    constants_dict->Set("quicError", dict);
-  }
-
-  // Add information on the relationship between QUIC RST_STREAM error codes
-  // and their symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    for (net::QuicRstStreamErrorCode error = net::QUIC_STREAM_NO_ERROR;
-         error < net::QUIC_STREAM_LAST_ERROR;
-         error = static_cast<net::QuicRstStreamErrorCode>(error + 1)) {
-      dict->SetInteger(net::QuicUtils::StreamErrorToString(error),
-                       static_cast<int>(error));
-    }
-
-    constants_dict->Set("quicRstStreamError", dict);
-  }
-
-  // Information about the relationship between event phase enums and their
-  // symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    dict->SetInteger("PHASE_BEGIN", net::NetLog::PHASE_BEGIN);
-    dict->SetInteger("PHASE_END", net::NetLog::PHASE_END);
-    dict->SetInteger("PHASE_NONE", net::NetLog::PHASE_NONE);
-
-    constants_dict->Set("logEventPhase", dict);
-  }
-
-  // Information about the relationship between source type enums and
-  // their symbolic names.
-  constants_dict->Set("logSourceType", net::NetLog::GetSourceTypesAsValue());
-
-  // Information about the relationship between LogLevel enums and their
-  // symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    dict->SetInteger("LOG_ALL", net::NetLog::LOG_ALL);
-    dict->SetInteger("LOG_ALL_BUT_BYTES", net::NetLog::LOG_ALL_BUT_BYTES);
-    dict->SetInteger("LOG_STRIP_PRIVATE_DATA",
-                     net::NetLog::LOG_STRIP_PRIVATE_DATA);
-
-    constants_dict->Set("logLevelType", dict);
-  }
-
-  // Information about the relationship between address family enums and
-  // their symbolic names.
-  {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-
-    dict->SetInteger("ADDRESS_FAMILY_UNSPECIFIED",
-                     net::ADDRESS_FAMILY_UNSPECIFIED);
-    dict->SetInteger("ADDRESS_FAMILY_IPV4",
-                     net::ADDRESS_FAMILY_IPV4);
-    dict->SetInteger("ADDRESS_FAMILY_IPV6",
-                     net::ADDRESS_FAMILY_IPV6);
-
-    constants_dict->Set("addressFamily", dict);
-  }
-
-  // Information about how the "time ticks" values we have given it relate to
-  // actual system times. (We used time ticks throughout since they are stable
-  // across system clock changes).
-  {
-    int64 cur_time_ms = (base::Time::Now() - base::Time()).InMilliseconds();
-
-    int64 cur_time_ticks_ms =
-        (base::TimeTicks::Now() - base::TimeTicks()).InMilliseconds();
-
-    // If we add this number to a time tick value, it gives the timestamp.
-    int64 tick_to_time_ms = cur_time_ms - cur_time_ticks_ms;
-
-    // Chrome on all platforms stores times using the Windows epoch
-    // (Jan 1 1601), but the javascript wants a unix epoch.
-    // TODO(eroman): Getting the timestamp relative to the unix epoch should
-    //               be part of the time library.
-    const int64 kUnixEpochMs = 11644473600000LL;
-    int64 tick_to_unix_time_ms = tick_to_time_ms - kUnixEpochMs;
-
-    // Pass it as a string, since it may be too large to fit in an integer.
-    constants_dict->SetString("timeTickOffset",
-                              base::Int64ToString(tick_to_unix_time_ms));
-  }
-
-  // "clientInfo" key is required for some NetLogLogger log readers.
-  // Provide a default empty value for compatibility.
-  constants_dict->Set("clientInfo", new base::DictionaryValue());
-
-  // Add a list of active field experiments.
-  {
-    base::FieldTrial::ActiveGroups active_groups;
-    base::FieldTrialList::GetActiveFieldTrialGroups(&active_groups);
-    base::ListValue* field_trial_groups = new base::ListValue();
-    for (base::FieldTrial::ActiveGroups::const_iterator it =
-             active_groups.begin();
-         it != active_groups.end(); ++it) {
-      field_trial_groups->AppendString(it->trial_name + ":" +
-                                       it->group_name);
-    }
-    constants_dict->Set("activeFieldTrialGroups", field_trial_groups);
-  }
-
-  return constants_dict;
+  return GetNetConstants().get();
 }
 
 }  // namespace net