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Unified Diff: net/base/host_resolver_impl.cc

Issue 8533011: Remove unused HostResolver::Observer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: remove RequestInfo::referrer and Request::id Created 9 years, 1 month ago
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Index: net/base/host_resolver_impl.cc
diff --git a/net/base/host_resolver_impl.cc b/net/base/host_resolver_impl.cc
index c4002e6a57cf33ebbabe84e39bbcaf43d0f3b25e..31f08c0e85529ce255cd89dc304a4c2cdcbb3766 100644
--- a/net/base/host_resolver_impl.cc
+++ b/net/base/host_resolver_impl.cc
@@ -261,13 +261,11 @@ class HostResolverImpl::Request {
public:
Request(const BoundNetLog& source_net_log,
const BoundNetLog& request_net_log,
- int id,
const RequestInfo& info,
OldCompletionCallback* callback,
AddressList* addresses)
: source_net_log_(source_net_log),
request_net_log_(request_net_log),
- id_(id),
info_(info),
job_(NULL),
callback_(callback),
@@ -315,10 +313,6 @@ class HostResolverImpl::Request {
return request_net_log_;
}
- int id() const {
- return id_;
- }
-
const RequestInfo& info() const {
return info_;
}
@@ -327,9 +321,6 @@ class HostResolverImpl::Request {
BoundNetLog source_net_log_;
BoundNetLog request_net_log_;
- // Unique ID for this request. Used by observers to identify requests.
- int id_;
-
// The request info that started the request.
RequestInfo info_;
@@ -1063,7 +1054,6 @@ HostResolverImpl::HostResolverImpl(
max_retry_attempts_(max_retry_attempts),
unresponsive_delay_(base::TimeDelta::FromMilliseconds(6000)),
retry_factor_(2),
- next_request_id_(0),
next_job_id_(0),
resolver_proc_(resolver_proc),
default_address_family_(ADDRESS_FAMILY_UNSPECIFIED),
@@ -1137,23 +1127,20 @@ int HostResolverImpl::Resolve(const RequestInfo& info,
DCHECK(callback);
DCHECK(CalledOnValidThread());
- // Choose a unique ID number for observers to see.
- int request_id = next_request_id_++;
-
// Make a log item for the request.
BoundNetLog request_net_log = BoundNetLog::Make(net_log_,
NetLog::SOURCE_HOST_RESOLVER_IMPL_REQUEST);
// Update the net log and notify registered observers.
- OnStartRequest(source_net_log, request_net_log, request_id, info);
+ OnStartRequest(source_net_log, request_net_log, info);
// Build a key that identifies the request in the cache and in the
// outstanding jobs map.
Key key = GetEffectiveKeyForRequest(info);
- int rv = ResolveHelper(request_id, key, info, addresses, request_net_log);
+ int rv = ResolveHelper(key, info, addresses, request_net_log);
if (rv != ERR_DNS_CACHE_MISS) {
- OnFinishRequest(source_net_log, request_net_log, request_id, info,
+ OnFinishRequest(source_net_log, request_net_log, info,
rv,
0 /* os_error (unknown since from cache) */);
return rv;
@@ -1161,7 +1148,7 @@ int HostResolverImpl::Resolve(const RequestInfo& info,
// Create a handle for this request, and pass it back to the user if they
// asked for it (out_req != NULL).
- Request* req = new Request(source_net_log, request_net_log, request_id, info,
+ Request* req = new Request(source_net_log, request_net_log, info,
callback, addresses);
if (out_req)
*out_req = reinterpret_cast<RequestHandle>(req);
@@ -1188,8 +1175,7 @@ int HostResolverImpl::Resolve(const RequestInfo& info,
return ERR_IO_PENDING;
}
-int HostResolverImpl::ResolveHelper(int request_id,
- const Key& key,
+int HostResolverImpl::ResolveHelper(const Key& key,
const RequestInfo& info,
AddressList* addresses,
const BoundNetLog& request_net_log) {
@@ -1213,22 +1199,19 @@ int HostResolverImpl::ResolveFromCache(const RequestInfo& info,
DCHECK(CalledOnValidThread());
DCHECK(addresses);
- // Choose a unique ID number for observers to see.
- int request_id = next_request_id_++;
-
// Make a log item for the request.
BoundNetLog request_net_log = BoundNetLog::Make(net_log_,
NetLog::SOURCE_HOST_RESOLVER_IMPL_REQUEST);
// Update the net log and notify registered observers.
- OnStartRequest(source_net_log, request_net_log, request_id, info);
+ OnStartRequest(source_net_log, request_net_log, info);
// Build a key that identifies the request in the cache and in the
// outstanding jobs map.
Key key = GetEffectiveKeyForRequest(info);
- int rv = ResolveHelper(request_id, key, info, addresses, request_net_log);
- OnFinishRequest(source_net_log, request_net_log, request_id, info,
+ int rv = ResolveHelper(key, info, addresses, request_net_log);
+ OnFinishRequest(source_net_log, request_net_log, info,
rv,
0 /* os_error (unknown since from cache) */);
return rv;
@@ -1258,24 +1241,7 @@ void HostResolverImpl::CancelRequest(RequestHandle req_handle) {
// NULL out the fields of req, to mark it as cancelled.
req->MarkAsCancelled();
- OnCancelRequest(req->source_net_log(), req->request_net_log(), req->id(),
- req->info());
-}
-
-void HostResolverImpl::AddObserver(HostResolver::Observer* observer) {
- DCHECK(CalledOnValidThread());
- observers_.push_back(observer);
-}
-
-void HostResolverImpl::RemoveObserver(HostResolver::Observer* observer) {
- DCHECK(CalledOnValidThread());
- ObserversList::iterator it =
- std::find(observers_.begin(), observers_.end(), observer);
-
- // Observer must exist.
- DCHECK(it != observers_.end());
-
- observers_.erase(it);
+ OnCancelRequest(req->source_net_log(), req->request_net_log(), req->info());
}
void HostResolverImpl::SetDefaultAddressFamily(AddressFamily address_family) {
@@ -1415,7 +1381,7 @@ void HostResolverImpl::OnJobCompleteInternal(
NetLog::TYPE_HOST_RESOLVER_IMPL_JOB_ATTACH, NULL);
// Update the net log and notify registered observers.
- OnFinishRequest(req->source_net_log(), req->request_net_log(), req->id(),
+ OnFinishRequest(req->source_net_log(), req->request_net_log(),
req->info(), net_error, os_error);
req->OnComplete(net_error, addrlist);
@@ -1432,7 +1398,6 @@ void HostResolverImpl::OnJobCompleteInternal(
void HostResolverImpl::OnStartRequest(const BoundNetLog& source_net_log,
const BoundNetLog& request_net_log,
- int request_id,
const RequestInfo& info) {
source_net_log.BeginEvent(
NetLog::TYPE_HOST_RESOLVER_IMPL,
@@ -1443,32 +1408,15 @@ void HostResolverImpl::OnStartRequest(const BoundNetLog& source_net_log,
NetLog::TYPE_HOST_RESOLVER_IMPL_REQUEST,
make_scoped_refptr(new RequestInfoParameters(
info, source_net_log.source())));
-
- // Notify the observers of the start.
- if (!observers_.empty()) {
- for (ObserversList::iterator it = observers_.begin();
- it != observers_.end(); ++it) {
- (*it)->OnStartResolution(request_id, info);
- }
- }
}
void HostResolverImpl::OnFinishRequest(const BoundNetLog& source_net_log,
const BoundNetLog& request_net_log,
- int request_id,
const RequestInfo& info,
int net_error,
int os_error) {
bool was_resolved = net_error == OK;
- // Notify the observers of the completion.
- if (!observers_.empty()) {
- for (ObserversList::iterator it = observers_.begin();
- it != observers_.end(); ++it) {
- (*it)->OnFinishResolutionWithStatus(request_id, was_resolved, info);
- }
- }
-
// Log some extra parameters on failure for synchronous requests.
scoped_refptr<NetLog::EventParameters> params;
if (!was_resolved) {
@@ -1481,18 +1429,8 @@ void HostResolverImpl::OnFinishRequest(const BoundNetLog& source_net_log,
void HostResolverImpl::OnCancelRequest(const BoundNetLog& source_net_log,
const BoundNetLog& request_net_log,
- int request_id,
const RequestInfo& info) {
request_net_log.AddEvent(NetLog::TYPE_CANCELLED, NULL);
-
- // Notify the observers of the cancellation.
- if (!observers_.empty()) {
- for (ObserversList::iterator it = observers_.begin();
- it != observers_.end(); ++it) {
- (*it)->OnCancelResolution(request_id, info);
- }
- }
-
request_net_log.EndEvent(NetLog::TYPE_HOST_RESOLVER_IMPL_REQUEST, NULL);
source_net_log.EndEvent(NetLog::TYPE_HOST_RESOLVER_IMPL, NULL);
}
@@ -1597,8 +1535,7 @@ int HostResolverImpl::EnqueueRequest(JobPool* pool, Request* req) {
Request* r = req_evicted_from_queue.get();
int error = ERR_HOST_RESOLVER_QUEUE_TOO_LARGE;
- OnFinishRequest(r->source_net_log(), r->request_net_log(), r->id(),
- r->info(), error,
+ OnFinishRequest(r->source_net_log(), r->request_net_log(), r->info(), error,
0 /* os_error (not applicable) */);
if (r == req)
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