| Index: net/dns/host_resolver.cc
|
| diff --git a/net/dns/host_resolver.cc b/net/dns/host_resolver.cc
|
| deleted file mode 100644
|
| index 3b6ea04d7782331383e83309eed1659f64d40669..0000000000000000000000000000000000000000
|
| --- a/net/dns/host_resolver.cc
|
| +++ /dev/null
|
| @@ -1,133 +0,0 @@
|
| -// Copyright (c) 2012 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/dns/host_resolver.h"
|
| -
|
| -#include "base/logging.h"
|
| -#include "base/metrics/field_trial.h"
|
| -#include "base/strings/string_number_conversions.h"
|
| -#include "base/strings/string_split.h"
|
| -#include "net/dns/dns_client.h"
|
| -#include "net/dns/dns_config_service.h"
|
| -#include "net/dns/host_cache.h"
|
| -#include "net/dns/host_resolver_impl.h"
|
| -
|
| -namespace net {
|
| -
|
| -namespace {
|
| -
|
| -// Maximum of 6 concurrent resolver threads (excluding retries).
|
| -// Some routers (or resolvers) appear to start to provide host-not-found if
|
| -// too many simultaneous resolutions are pending. This number needs to be
|
| -// further optimized, but 8 is what FF currently does. We found some routers
|
| -// that limit this to 6, so we're temporarily holding it at that level.
|
| -const size_t kDefaultMaxProcTasks = 6u;
|
| -
|
| -} // namespace
|
| -
|
| -PrioritizedDispatcher::Limits HostResolver::Options::GetDispatcherLimits()
|
| - const {
|
| - PrioritizedDispatcher::Limits limits(NUM_PRIORITIES, max_concurrent_resolves);
|
| -
|
| - // If not using default, do not use the field trial.
|
| - if (limits.total_jobs != HostResolver::kDefaultParallelism)
|
| - return limits;
|
| -
|
| - // Default, without trial is no reserved slots.
|
| - limits.total_jobs = kDefaultMaxProcTasks;
|
| -
|
| - // Parallelism is determined by the field trial.
|
| - std::string group = base::FieldTrialList::FindFullName(
|
| - "HostResolverDispatch");
|
| -
|
| - if (group.empty())
|
| - return limits;
|
| -
|
| - // The format of the group name is a list of non-negative integers separated
|
| - // by ':'. Each of the elements in the list corresponds to an element in
|
| - // |reserved_slots|, except the last one which is the |total_jobs|.
|
| -
|
| - std::vector<std::string> group_parts;
|
| - base::SplitString(group, ':', &group_parts);
|
| - if (group_parts.size() != NUM_PRIORITIES + 1) {
|
| - NOTREACHED();
|
| - return limits;
|
| - }
|
| -
|
| - std::vector<size_t> parsed(group_parts.size());
|
| - size_t total_reserved_slots = 0;
|
| -
|
| - for (size_t i = 0; i < group_parts.size(); ++i) {
|
| - if (!base::StringToSizeT(group_parts[i], &parsed[i])) {
|
| - NOTREACHED();
|
| - return limits;
|
| - }
|
| - }
|
| -
|
| - size_t total_jobs = parsed.back();
|
| - parsed.pop_back();
|
| - for (size_t i = 0; i < parsed.size(); ++i) {
|
| - total_reserved_slots += parsed[i];
|
| - }
|
| -
|
| - // There must be some unreserved slots available for the all priorities.
|
| - if (total_reserved_slots > total_jobs ||
|
| - (total_reserved_slots == total_jobs && parsed[MINIMUM_PRIORITY] == 0)) {
|
| - NOTREACHED();
|
| - return limits;
|
| - }
|
| -
|
| - limits.total_jobs = total_jobs;
|
| - limits.reserved_slots = parsed;
|
| - return limits;
|
| -}
|
| -
|
| -HostResolver::Options::Options()
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| - : max_concurrent_resolves(kDefaultParallelism),
|
| - max_retry_attempts(kDefaultRetryAttempts),
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| - enable_caching(true) {
|
| -}
|
| -
|
| -HostResolver::RequestInfo::RequestInfo(const HostPortPair& host_port_pair)
|
| - : host_port_pair_(host_port_pair),
|
| - address_family_(ADDRESS_FAMILY_UNSPECIFIED),
|
| - host_resolver_flags_(0),
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| - allow_cached_response_(true),
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| - is_speculative_(false),
|
| - is_my_ip_address_(false) {}
|
| -
|
| -HostResolver::~HostResolver() {
|
| -}
|
| -
|
| -AddressFamily HostResolver::GetDefaultAddressFamily() const {
|
| - return ADDRESS_FAMILY_UNSPECIFIED;
|
| -}
|
| -
|
| -void HostResolver::SetDnsClientEnabled(bool enabled) {
|
| -}
|
| -
|
| -HostCache* HostResolver::GetHostCache() {
|
| - return NULL;
|
| -}
|
| -
|
| -base::Value* HostResolver::GetDnsConfigAsValue() const {
|
| - return NULL;
|
| -}
|
| -
|
| -// static
|
| -scoped_ptr<HostResolver> HostResolver::CreateSystemResolver(
|
| - const Options& options,
|
| - NetLog* net_log) {
|
| - return scoped_ptr<HostResolver>(new HostResolverImpl(options, net_log));
|
| -}
|
| -
|
| -// static
|
| -scoped_ptr<HostResolver> HostResolver::CreateDefaultResolver(NetLog* net_log) {
|
| - return scoped_ptr<HostResolver>(new HostResolverImpl(Options(), net_log));
|
| -}
|
| -
|
| -HostResolver::HostResolver() {
|
| -}
|
| -
|
| -} // namespace net
|
|
|