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// Copyright 2016 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/log/net_log_with_source.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/debug/alias.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "net/base/net_errors.h"
#include "net/log/net_log.h"
#include "net/log/net_log_capture_mode.h"
namespace net {
namespace {
// Returns parameters for logging data transferred events. At a minimum includes
// the number of bytes transferred. If the capture mode allows logging byte
// contents and |byte_count| > 0, then will include the actual bytes. The
// bytes are hex-encoded, since base::StringValue only supports UTF-8.
std::unique_ptr<base::Value> BytesTransferredCallback(
int byte_count,
const char* bytes,
NetLogCaptureMode capture_mode) {
std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
dict->SetInteger("byte_count", byte_count);
if (capture_mode.include_socket_bytes() && byte_count > 0)
dict->SetString("hex_encoded_bytes", base::HexEncode(bytes, byte_count));
return std::move(dict);
}
} // namespace
NetLogWithSource::~NetLogWithSource() {
liveness_ = DEAD;
}
void NetLogWithSource::AddEntry(NetLogEventType type,
NetLogEventPhase phase) const {
CrashIfInvalid();
if (!net_log_)
return;
net_log_->AddEntry(type, source_, phase, NULL);
}
void NetLogWithSource::AddEntry(
NetLogEventType type,
NetLogEventPhase phase,
const NetLogParametersCallback& get_parameters) const {
CrashIfInvalid();
if (!net_log_)
return;
net_log_->AddEntry(type, source_, phase, &get_parameters);
}
void NetLogWithSource::AddEvent(NetLogEventType type) const {
AddEntry(type, NetLogEventPhase::NONE);
}
void NetLogWithSource::AddEvent(
NetLogEventType type,
const NetLogParametersCallback& get_parameters) const {
AddEntry(type, NetLogEventPhase::NONE, get_parameters);
}
void NetLogWithSource::BeginEvent(NetLogEventType type) const {
AddEntry(type, NetLogEventPhase::BEGIN);
}
void NetLogWithSource::BeginEvent(
NetLogEventType type,
const NetLogParametersCallback& get_parameters) const {
AddEntry(type, NetLogEventPhase::BEGIN, get_parameters);
}
void NetLogWithSource::EndEvent(NetLogEventType type) const {
AddEntry(type, NetLogEventPhase::END);
}
void NetLogWithSource::EndEvent(
NetLogEventType type,
const NetLogParametersCallback& get_parameters) const {
AddEntry(type, NetLogEventPhase::END, get_parameters);
}
void NetLogWithSource::AddEventWithNetErrorCode(NetLogEventType event_type,
int net_error) const {
DCHECK_NE(ERR_IO_PENDING, net_error);
if (net_error >= 0) {
AddEvent(event_type);
} else {
AddEvent(event_type, NetLog::IntCallback("net_error", net_error));
}
}
void NetLogWithSource::EndEventWithNetErrorCode(NetLogEventType event_type,
int net_error) const {
DCHECK_NE(ERR_IO_PENDING, net_error);
if (net_error >= 0) {
EndEvent(event_type);
} else {
EndEvent(event_type, NetLog::IntCallback("net_error", net_error));
}
}
void NetLogWithSource::AddByteTransferEvent(NetLogEventType event_type,
int byte_count,
const char* bytes) const {
AddEvent(event_type, base::Bind(BytesTransferredCallback, byte_count, bytes));
}
bool NetLogWithSource::IsCapturing() const {
CrashIfInvalid();
return net_log_ && net_log_->IsCapturing();
}
// static
NetLogWithSource NetLogWithSource::Make(NetLog* net_log,
NetLogSourceType source_type) {
if (!net_log)
return NetLogWithSource();
NetLogSource source(source_type, net_log->NextID());
return NetLogWithSource(source, net_log);
}
void NetLogWithSource::CrashIfInvalid() const {
Liveness liveness = liveness_;
if (liveness == ALIVE)
return;
base::debug::Alias(&liveness);
CHECK_EQ(ALIVE, liveness);
}
} // namespace net
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