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|
// Copyright (c) 2011 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 "chrome/browser/net/passive_log_collector.h"
#include <algorithm>
#include "base/compiler_specific.h"
#include "base/string_util.h"
#include "base/format_macros.h"
#include "net/url_request/url_request_netlog_params.h"
namespace {
// TODO(eroman): Do something with the truncation count.
const size_t kMaxNumEntriesPerLog = 30;
void AddEntryToSourceInfo(const ChromeNetLog::Entry& entry,
PassiveLogCollector::SourceInfo* out_info) {
// Start dropping new entries when the log has gotten too big.
if (out_info->entries.size() + 1 <= kMaxNumEntriesPerLog) {
out_info->entries.push_back(entry);
} else {
out_info->num_entries_truncated += 1;
out_info->entries[kMaxNumEntriesPerLog - 1] = entry;
}
}
// Comparator to sort entries by their |order| property, ascending.
bool SortByOrderComparator(const ChromeNetLog::Entry& a,
const ChromeNetLog::Entry& b) {
return a.order < b.order;
}
} // namespace
PassiveLogCollector::SourceInfo::SourceInfo()
: source_id(net::NetLog::Source::kInvalidId),
num_entries_truncated(0),
reference_count(0),
is_alive(true) {
}
PassiveLogCollector::SourceInfo::~SourceInfo() {}
//----------------------------------------------------------------------------
// PassiveLogCollector
//----------------------------------------------------------------------------
PassiveLogCollector::PassiveLogCollector()
: ThreadSafeObserver(net::NetLog::LOG_BASIC),
ALLOW_THIS_IN_INITIALIZER_LIST(connect_job_tracker_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(url_request_tracker_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(socket_stream_tracker_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(http_stream_job_tracker_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(
exponential_backoff_throttling_tracker_(this)),
num_events_seen_(0) {
// Define the mapping between source types and the tracker objects.
memset(&trackers_[0], 0, sizeof(trackers_));
trackers_[net::NetLog::SOURCE_NONE] = &global_source_tracker_;
trackers_[net::NetLog::SOURCE_URL_REQUEST] = &url_request_tracker_;
trackers_[net::NetLog::SOURCE_SOCKET_STREAM] = &socket_stream_tracker_;
trackers_[net::NetLog::SOURCE_CONNECT_JOB] = &connect_job_tracker_;
trackers_[net::NetLog::SOURCE_SOCKET] = &socket_tracker_;
trackers_[net::NetLog::SOURCE_INIT_PROXY_RESOLVER] =
&init_proxy_resolver_tracker_;
trackers_[net::NetLog::SOURCE_SPDY_SESSION] = &spdy_session_tracker_;
trackers_[net::NetLog::SOURCE_HOST_RESOLVER_IMPL_REQUEST] =
&dns_request_tracker_;
trackers_[net::NetLog::SOURCE_HOST_RESOLVER_IMPL_JOB] = &dns_job_tracker_;
trackers_[net::NetLog::SOURCE_DISK_CACHE_ENTRY] = &disk_cache_entry_tracker_;
trackers_[net::NetLog::SOURCE_MEMORY_CACHE_ENTRY] = &mem_cache_entry_tracker_;
trackers_[net::NetLog::SOURCE_HTTP_STREAM_JOB] = &http_stream_job_tracker_;
trackers_[net::NetLog::SOURCE_EXPONENTIAL_BACKOFF_THROTTLING] =
&exponential_backoff_throttling_tracker_;
trackers_[net::NetLog::SOURCE_DNS_TRANSACTION] = &dns_transaction_tracker_;
// Make sure our mapping is up-to-date.
for (size_t i = 0; i < arraysize(trackers_); ++i)
DCHECK(trackers_[i]) << "Unhandled SourceType: " << i;
}
PassiveLogCollector::~PassiveLogCollector() {
}
void PassiveLogCollector::OnAddEntry(
net::NetLog::EventType type,
const base::TimeTicks& time,
const net::NetLog::Source& source,
net::NetLog::EventPhase phase,
net::NetLog::EventParameters* params) {
AssertNetLogLockAcquired();
// Package the parameters into a single struct for convenience.
ChromeNetLog::Entry entry(num_events_seen_++, type, time, source, phase,
params);
SourceTrackerInterface* tracker = GetTrackerForSourceType(entry.source.type);
if (tracker)
tracker->OnAddEntry(entry);
}
void PassiveLogCollector::Clear() {
AssertNetLogLockAcquired();
for (size_t i = 0; i < arraysize(trackers_); ++i)
trackers_[i]->Clear();
}
PassiveLogCollector::SourceTrackerInterface*
PassiveLogCollector::GetTrackerForSourceType(
net::NetLog::SourceType source_type) {
CHECK_LT(source_type, static_cast<int>(arraysize(trackers_)));
CHECK_GE(source_type, 0);
return trackers_[source_type];
}
void PassiveLogCollector::GetAllCapturedEvents(
ChromeNetLog::EntryList* out) const {
AssertNetLogLockAcquired();
out->clear();
// Append all of the captured entries held by the various trackers to
// |out|.
for (size_t i = 0; i < arraysize(trackers_); ++i)
trackers_[i]->AppendAllEntries(out);
// Now sort the list of entries by their insertion time (ascending).
std::sort(out->begin(), out->end(), &SortByOrderComparator);
}
std::string PassiveLogCollector::SourceInfo::GetURL() const {
// Note: we look at the first *two* entries, since the outer REQUEST_ALIVE
// doesn't actually contain any data.
for (size_t i = 0; i < 2 && i < entries.size(); ++i) {
const ChromeNetLog::Entry& entry = entries[i];
if (entry.phase == net::NetLog::PHASE_BEGIN && entry.params) {
switch (entry.type) {
case net::NetLog::TYPE_URL_REQUEST_START_JOB:
return static_cast<net::URLRequestStartEventParameters*>(
entry.params.get())->url().possibly_invalid_spec();
case net::NetLog::TYPE_SOCKET_STREAM_CONNECT:
return static_cast<net::NetLogStringParameter*>(
entry.params.get())->value();
default:
break;
}
}
}
return std::string();
}
//----------------------------------------------------------------------------
// GlobalSourceTracker
//----------------------------------------------------------------------------
PassiveLogCollector::GlobalSourceTracker::GlobalSourceTracker() {}
PassiveLogCollector::GlobalSourceTracker::~GlobalSourceTracker() {}
void PassiveLogCollector::GlobalSourceTracker::OnAddEntry(
const ChromeNetLog::Entry& entry) {
const size_t kMaxEntries = 30u;
entries_.push_back(entry);
if (entries_.size() > kMaxEntries)
entries_.pop_front();
}
void PassiveLogCollector::GlobalSourceTracker::Clear() {
entries_.clear();
}
void PassiveLogCollector::GlobalSourceTracker::AppendAllEntries(
ChromeNetLog::EntryList* out) const {
out->insert(out->end(), entries_.begin(), entries_.end());
}
//----------------------------------------------------------------------------
// SourceTracker
//----------------------------------------------------------------------------
PassiveLogCollector::SourceTracker::SourceTracker(
size_t max_num_sources,
size_t max_graveyard_size,
PassiveLogCollector* parent)
: max_num_sources_(max_num_sources),
max_graveyard_size_(max_graveyard_size),
parent_(parent) {
}
PassiveLogCollector::SourceTracker::~SourceTracker() {}
void PassiveLogCollector::SourceTracker::OnAddEntry(
const ChromeNetLog::Entry& entry) {
// Lookup or insert a new entry into the bounded map.
SourceIDToInfoMap::iterator it = sources_.find(entry.source.id);
if (it == sources_.end()) {
if (sources_.size() >= max_num_sources_) {
LOG(WARNING) << "The passive log data has grown larger "
"than expected, resetting";
Clear();
}
it = sources_.insert(
SourceIDToInfoMap::value_type(entry.source.id, SourceInfo())).first;
it->second.source_id = entry.source.id;
}
SourceInfo& info = it->second;
Action result = DoAddEntry(entry, &info);
if (result != ACTION_NONE) {
// We are either queuing it for deletion, or deleting it immediately.
// If someone else holds a reference to this source, defer the deletion
// until all the references are released.
info.is_alive = false;
if (info.reference_count == 0) {
switch (result) {
case ACTION_MOVE_TO_GRAVEYARD:
AddToDeletionQueue(info.source_id);
break;
case ACTION_DELETE:
DeleteSourceInfo(info.source_id);
break;
default:
NOTREACHED();
break;
}
}
}
}
void PassiveLogCollector::SourceTracker::DeleteSourceInfo(
uint32 source_id) {
SourceIDToInfoMap::iterator it = sources_.find(source_id);
if (it == sources_.end()) {
// TODO(eroman): Is this happening? And if so, why. Remove this
// once the cause is understood.
LOG(WARNING) << "Tried to delete info for nonexistent source";
return;
}
// The source should not be in the deletion queue.
CHECK(std::find(deletion_queue_.begin(), deletion_queue_.end(),
source_id) == deletion_queue_.end());
ReleaseAllReferencesToDependencies(&(it->second));
sources_.erase(it);
}
void PassiveLogCollector::SourceTracker::Clear() {
deletion_queue_.clear();
// Release all references held to dependent sources.
for (SourceIDToInfoMap::iterator it = sources_.begin();
it != sources_.end();
++it) {
ReleaseAllReferencesToDependencies(&(it->second));
}
sources_.clear();
}
void PassiveLogCollector::SourceTracker::AppendAllEntries(
ChromeNetLog::EntryList* out) const {
// Append all of the entries for each of the sources.
for (SourceIDToInfoMap::const_iterator it = sources_.begin();
it != sources_.end();
++it) {
const SourceInfo& info = it->second;
out->insert(out->end(), info.entries.begin(), info.entries.end());
}
}
void PassiveLogCollector::SourceTracker::AddToDeletionQueue(
uint32 source_id) {
DCHECK(sources_.find(source_id) != sources_.end());
DCHECK(!sources_.find(source_id)->second.is_alive);
DCHECK_GE(sources_.find(source_id)->second.reference_count, 0);
DCHECK_LE(deletion_queue_.size(), max_graveyard_size_);
DCHECK(std::find(deletion_queue_.begin(), deletion_queue_.end(),
source_id) == deletion_queue_.end());
deletion_queue_.push_back(source_id);
// After the deletion queue has reached its maximum size, start
// deleting sources in FIFO order.
if (deletion_queue_.size() > max_graveyard_size_) {
uint32 oldest = deletion_queue_.front();
deletion_queue_.pop_front();
DeleteSourceInfo(oldest);
}
}
void PassiveLogCollector::SourceTracker::EraseFromDeletionQueue(
uint32 source_id) {
DeletionQueue::iterator it =
std::remove(deletion_queue_.begin(), deletion_queue_.end(),
source_id);
CHECK(it != deletion_queue_.end());
deletion_queue_.erase(it);
}
void PassiveLogCollector::SourceTracker::AdjustReferenceCountForSource(
int offset, uint32 source_id) {
DCHECK(offset == -1 || offset == 1) << "invalid offset: " << offset;
// In general it is invalid to call AdjustReferenceCountForSource() on
// source that doesn't exist. However, it is possible that if
// SourceTracker::Clear() was previously called this can happen.
SourceIDToInfoMap::iterator it = sources_.find(source_id);
if (it == sources_.end()) {
LOG(WARNING) << "Released a reference to nonexistent source.";
return;
}
SourceInfo& info = it->second;
DCHECK_GE(info.reference_count, 0);
info.reference_count += offset;
bool released_unmatched_reference = info.reference_count < 0;
if (released_unmatched_reference) {
// In general this shouldn't happen, however it is possible to reach this
// state if SourceTracker::Clear() was called earlier.
LOG(WARNING) << "Released unmatched reference count.";
info.reference_count = 0;
}
if (!info.is_alive) {
if (info.reference_count == 1 && offset == 1) {
// If we just added a reference to a dead source that had no references,
// it must have been in the deletion queue, so remove it from the queue.
EraseFromDeletionQueue(source_id);
} else if (info.reference_count == 0) {
if (released_unmatched_reference)
EraseFromDeletionQueue(source_id);
// If we just released the final reference to a dead source, go ahead
// and delete it right away.
DeleteSourceInfo(source_id);
}
}
}
void PassiveLogCollector::SourceTracker::AddReferenceToSourceDependency(
const net::NetLog::Source& source, SourceInfo* info) {
// Find the tracker which should be holding |source|.
DCHECK(parent_);
DCHECK_NE(source.type, net::NetLog::SOURCE_NONE);
SourceTracker* tracker = static_cast<SourceTracker*>(
parent_->GetTrackerForSourceType(source.type));
DCHECK(tracker);
// Tell the owning tracker to increment the reference count of |source|.
tracker->AdjustReferenceCountForSource(1, source.id);
// Make a note to release this reference once |info| is destroyed.
info->dependencies.push_back(source);
}
void PassiveLogCollector::SourceTracker::ReleaseAllReferencesToDependencies(
SourceInfo* info) {
// Release all references |info| was holding to other sources.
for (SourceDependencyList::const_iterator it = info->dependencies.begin();
it != info->dependencies.end(); ++it) {
const net::NetLog::Source& source = *it;
// Find the tracker which should be holding |source|.
DCHECK(parent_);
DCHECK_NE(source.type, net::NetLog::SOURCE_NONE);
SourceTracker* tracker = static_cast<SourceTracker*>(
parent_->GetTrackerForSourceType(source.type));
DCHECK(tracker);
// Tell the owning tracker to decrement the reference count of |source|.
tracker->AdjustReferenceCountForSource(-1, source.id);
}
info->dependencies.clear();
}
//----------------------------------------------------------------------------
// ConnectJobTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::ConnectJobTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::ConnectJobTracker::kMaxGraveyardSize = 15;
PassiveLogCollector::ConnectJobTracker::ConnectJobTracker(
PassiveLogCollector* parent)
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, parent) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::ConnectJobTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_CONNECT_JOB_SET_SOCKET) {
const net::NetLog::Source& source_dependency =
static_cast<net::NetLogSourceParameter*>(entry.params.get())->value();
AddReferenceToSourceDependency(source_dependency, out_info);
}
// If this is the end of the connect job, move the source to the graveyard.
if (entry.type == net::NetLog::TYPE_SOCKET_POOL_CONNECT_JOB &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// SocketTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::SocketTracker::kMaxNumSources = 200;
const size_t PassiveLogCollector::SocketTracker::kMaxGraveyardSize = 15;
PassiveLogCollector::SocketTracker::SocketTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::SocketTracker::DoAddEntry(const ChromeNetLog::Entry& entry,
SourceInfo* out_info) {
// TODO(eroman): aggregate the byte counts once truncation starts to happen,
// to summarize transaction read/writes for each SOCKET_IN_USE
// section.
if (entry.type == net::NetLog::TYPE_SOCKET_BYTES_SENT ||
entry.type == net::NetLog::TYPE_SOCKET_BYTES_RECEIVED ||
entry.type == net::NetLog::TYPE_SSL_SOCKET_BYTES_SENT ||
entry.type == net::NetLog::TYPE_SSL_SOCKET_BYTES_RECEIVED) {
return ACTION_NONE;
}
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_SOCKET_ALIVE &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// RequestTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::RequestTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::RequestTracker::kMaxGraveyardSize = 25;
PassiveLogCollector::RequestTracker::RequestTracker(PassiveLogCollector* parent)
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, parent) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::RequestTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
if (entry.type == net::NetLog::TYPE_HTTP_STREAM_REQUEST_BOUND_TO_JOB) {
const net::NetLog::Source& source_dependency =
static_cast<net::NetLogSourceParameter*>(entry.params.get())->value();
AddReferenceToSourceDependency(source_dependency, out_info);
}
// Don't keep read bytes around in the log, to save memory.
if (entry.type == net::NetLog::TYPE_URL_REQUEST_JOB_BYTES_READ ||
entry.type == net::NetLog::TYPE_URL_REQUEST_JOB_FILTERED_BYTES_READ) {
return ACTION_NONE;
}
AddEntryToSourceInfo(entry, out_info);
// If the request has ended, move it to the graveyard.
if (entry.type == net::NetLog::TYPE_REQUEST_ALIVE &&
entry.phase == net::NetLog::PHASE_END) {
if (StartsWithASCII(out_info->GetURL(), "chrome://", false)) {
// Avoid sending "chrome://" requests to the graveyard, since it just
// adds to clutter.
return ACTION_DELETE;
}
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// InitProxyResolverTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::InitProxyResolverTracker::kMaxNumSources = 20;
const size_t PassiveLogCollector::InitProxyResolverTracker::kMaxGraveyardSize =
3;
PassiveLogCollector::InitProxyResolverTracker::InitProxyResolverTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::InitProxyResolverTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_INIT_PROXY_RESOLVER &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// SpdySessionTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::SpdySessionTracker::kMaxNumSources = 50;
const size_t PassiveLogCollector::SpdySessionTracker::kMaxGraveyardSize = 10;
PassiveLogCollector::SpdySessionTracker::SpdySessionTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::SpdySessionTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_SPDY_SESSION &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// DNSRequestTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::DNSRequestTracker::kMaxNumSources = 200;
const size_t PassiveLogCollector::DNSRequestTracker::kMaxGraveyardSize = 20;
PassiveLogCollector::DNSRequestTracker::DNSRequestTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::DNSRequestTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_HOST_RESOLVER_IMPL_REQUEST &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// DNSJobTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::DNSJobTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::DNSJobTracker::kMaxGraveyardSize = 15;
PassiveLogCollector::DNSJobTracker::DNSJobTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::DNSJobTracker::DoAddEntry(const ChromeNetLog::Entry& entry,
SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_HOST_RESOLVER_IMPL_JOB &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// DiskCacheEntryTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::DiskCacheEntryTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::DiskCacheEntryTracker::kMaxGraveyardSize = 25;
PassiveLogCollector::DiskCacheEntryTracker::DiskCacheEntryTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::DiskCacheEntryTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
// If the request has ended, move it to the graveyard.
if (entry.type == net::NetLog::TYPE_DISK_CACHE_ENTRY_IMPL &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// MemCacheEntryTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::MemCacheEntryTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::MemCacheEntryTracker::kMaxGraveyardSize = 25;
PassiveLogCollector::MemCacheEntryTracker::MemCacheEntryTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::MemCacheEntryTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
// If the request has ended, move it to the graveyard.
if (entry.type == net::NetLog::TYPE_DISK_CACHE_MEM_ENTRY_IMPL &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// HttpStreamJobTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::HttpStreamJobTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::HttpStreamJobTracker::kMaxGraveyardSize = 25;
PassiveLogCollector::HttpStreamJobTracker::HttpStreamJobTracker(
PassiveLogCollector* parent)
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, parent) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::HttpStreamJobTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
if (entry.type == net::NetLog::TYPE_SOCKET_POOL_BOUND_TO_CONNECT_JOB ||
entry.type == net::NetLog::TYPE_SOCKET_POOL_BOUND_TO_SOCKET) {
const net::NetLog::Source& source_dependency =
static_cast<net::NetLogSourceParameter*>(entry.params.get())->value();
AddReferenceToSourceDependency(source_dependency, out_info);
}
AddEntryToSourceInfo(entry, out_info);
// If the request has ended, move it to the graveyard.
if (entry.type == net::NetLog::TYPE_HTTP_STREAM_JOB &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// ExponentialBackoffThrottlingTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::
ExponentialBackoffThrottlingTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::
ExponentialBackoffThrottlingTracker::kMaxGraveyardSize = 25;
PassiveLogCollector::
ExponentialBackoffThrottlingTracker::ExponentialBackoffThrottlingTracker(
PassiveLogCollector* parent)
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, parent) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::ExponentialBackoffThrottlingTracker::DoAddEntry(
const ChromeNetLog::Entry& entry, SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
return ACTION_NONE;
}
//----------------------------------------------------------------------------
// DnsTransactionTracker
//----------------------------------------------------------------------------
const size_t PassiveLogCollector::DnsTransactionTracker::kMaxNumSources = 100;
const size_t PassiveLogCollector::DnsTransactionTracker::kMaxGraveyardSize = 15;
PassiveLogCollector::DnsTransactionTracker::DnsTransactionTracker()
: SourceTracker(kMaxNumSources, kMaxGraveyardSize, NULL) {
}
PassiveLogCollector::SourceTracker::Action
PassiveLogCollector::DnsTransactionTracker::DoAddEntry(
const ChromeNetLog::Entry& entry,
SourceInfo* out_info) {
AddEntryToSourceInfo(entry, out_info);
if (entry.type == net::NetLog::TYPE_DNS_TRANSACTION &&
entry.phase == net::NetLog::PHASE_END) {
return ACTION_MOVE_TO_GRAVEYARD;
}
return ACTION_NONE;
}
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