|
|
|
|
@ -420,22 +420,16 @@ PickFirst::PickFirst(Args args) |
|
|
|
|
.GetInt(GRPC_ARG_HAPPY_EYEBALLS_CONNECTION_ATTEMPT_DELAY_MS) |
|
|
|
|
.value_or(250), |
|
|
|
|
100, 2000))) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " created."; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Pick First " << this << " created."; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
PickFirst::~PickFirst() { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Destroying Pick First " << this; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Destroying Pick First " << this; |
|
|
|
|
CHECK(subchannel_list_ == nullptr); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
void PickFirst::ShutdownLocked() { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " Shutting down"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Pick First " << this << " Shutting down"; |
|
|
|
|
shutdown_ = true; |
|
|
|
|
UnsetSelectedSubchannel(); |
|
|
|
|
subchannel_list_.reset(); |
|
|
|
|
@ -444,9 +438,8 @@ void PickFirst::ShutdownLocked() { |
|
|
|
|
void PickFirst::ExitIdleLocked() { |
|
|
|
|
if (shutdown_) return; |
|
|
|
|
if (IsIdle()) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " exiting idle"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << this << " exiting idle"; |
|
|
|
|
AttemptToConnectUsingLatestUpdateArgsLocked(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
@ -681,11 +674,10 @@ PickFirst::SubchannelList::SubchannelData::SubchannelState::SubchannelState( |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
void PickFirst::SubchannelList::SubchannelData::SubchannelState::Orphan() { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << pick_first_.get() << "] subchannel state " << this |
|
|
|
|
<< " (subchannel " << subchannel_.get() |
|
|
|
|
<< "): cancelling watch and unreffing subchannel"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << pick_first_.get() << "] subchannel state " << this |
|
|
|
|
<< " (subchannel " << subchannel_.get() |
|
|
|
|
<< "): cancelling watch and unreffing subchannel"; |
|
|
|
|
subchannel_data_ = nullptr; |
|
|
|
|
subchannel_->CancelConnectivityStateWatch(watcher_); |
|
|
|
|
watcher_ = nullptr; |
|
|
|
|
@ -706,9 +698,8 @@ void PickFirst::SubchannelList::SubchannelData::SubchannelState::Select() { |
|
|
|
|
// for the health status notification.
|
|
|
|
|
// If health checking is NOT enabled, report READY.
|
|
|
|
|
if (pick_first_->enable_health_watch_) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << pick_first_.get() << "] starting health watch"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << pick_first_.get() << "] starting health watch"; |
|
|
|
|
auto watcher = std::make_unique<HealthWatcher>( |
|
|
|
|
pick_first_.Ref(DEBUG_LOCATION, "HealthWatcher")); |
|
|
|
|
pick_first_->health_watcher_ = watcher.get(); |
|
|
|
|
@ -767,11 +758,10 @@ void PickFirst::SubchannelList::SubchannelData::SubchannelState:: |
|
|
|
|
} |
|
|
|
|
// We aren't trying to connect, so we must be the selected subchannel.
|
|
|
|
|
CHECK(pick_first_->selected_.get() == this); |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << pick_first_.get() |
|
|
|
|
<< " selected subchannel connectivity changed to " |
|
|
|
|
<< ConnectivityStateName(new_state); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << pick_first_.get() |
|
|
|
|
<< " selected subchannel connectivity changed to " |
|
|
|
|
<< ConnectivityStateName(new_state); |
|
|
|
|
// Any state change is considered to be a failure of the existing
|
|
|
|
|
// connection. Report the failure.
|
|
|
|
|
auto& stats_plugins = |
|
|
|
|
@ -791,11 +781,10 @@ PickFirst::SubchannelList::SubchannelData::SubchannelData( |
|
|
|
|
SubchannelList* subchannel_list, size_t index, |
|
|
|
|
RefCountedPtr<SubchannelInterface> subchannel) |
|
|
|
|
: subchannel_list_(subchannel_list), index_(index) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << subchannel_list_->policy_.get() |
|
|
|
|
<< "] subchannel list " << subchannel_list_ << " index " << index_ |
|
|
|
|
<< ": creating subchannel data"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << subchannel_list_->policy_.get() << "] subchannel list " |
|
|
|
|
<< subchannel_list_ << " index " << index_ |
|
|
|
|
<< ": creating subchannel data"; |
|
|
|
|
subchannel_state_ = |
|
|
|
|
MakeOrphanable<SubchannelState>(this, std::move(subchannel)); |
|
|
|
|
} |
|
|
|
|
@ -856,11 +845,10 @@ void PickFirst::SubchannelList::SubchannelData::OnConnectivityStateChange( |
|
|
|
|
// is not in the new list. In that case, we drop the current
|
|
|
|
|
// connection and report IDLE.
|
|
|
|
|
if (p->selected_ != nullptr) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << p << "] subchannel list " << subchannel_list_ |
|
|
|
|
<< ": new update has no subchannels in " |
|
|
|
|
<< "state READY; dropping existing connection and going IDLE"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << p << "] subchannel list " << subchannel_list_ |
|
|
|
|
<< ": new update has no subchannels in state READY; dropping " |
|
|
|
|
"existing connection and going IDLE"; |
|
|
|
|
p->GoIdle(); |
|
|
|
|
} else { |
|
|
|
|
// Start trying to connect, starting with the first subchannel.
|
|
|
|
|
@ -1016,18 +1004,16 @@ PickFirst::SubchannelList::SubchannelList(RefCountedPtr<PickFirst> policy, |
|
|
|
|
address.address(), address.args(), args_); |
|
|
|
|
if (subchannel == nullptr) { |
|
|
|
|
// Subchannel could not be created.
|
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << policy_.get() |
|
|
|
|
<< "] could not create subchannel for address " |
|
|
|
|
<< address.ToString() << ", ignoring"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << policy_.get() |
|
|
|
|
<< "] could not create subchannel for address " << address.ToString() |
|
|
|
|
<< ", ignoring"; |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << policy_.get() << "] subchannel list " << this |
|
|
|
|
<< " index " << subchannels_.size() << ": Created subchannel " |
|
|
|
|
<< subchannel.get() << " for address " << address.ToString(); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << policy_.get() << "] subchannel list " << this << " index " |
|
|
|
|
<< subchannels_.size() << ": Created subchannel " << subchannel.get() |
|
|
|
|
<< " for address " << address.ToString(); |
|
|
|
|
subchannels_.emplace_back(std::make_unique<SubchannelData>( |
|
|
|
|
this, subchannels_.size(), std::move(subchannel))); |
|
|
|
|
}); |
|
|
|
|
@ -1374,23 +1360,17 @@ OldPickFirst::OldPickFirst(Args args) |
|
|
|
|
.GetInt(GRPC_ARG_HAPPY_EYEBALLS_CONNECTION_ATTEMPT_DELAY_MS) |
|
|
|
|
.value_or(250), |
|
|
|
|
100, 2000))) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " created."; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Pick First " << this << " created."; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
OldPickFirst::~OldPickFirst() { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Destroying Pick First " << this; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Destroying Pick First " << this; |
|
|
|
|
CHECK(subchannel_list_ == nullptr); |
|
|
|
|
CHECK(latest_pending_subchannel_list_ == nullptr); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
void OldPickFirst::ShutdownLocked() { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " Shutting down"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) << "Pick First " << this << " Shutting down"; |
|
|
|
|
shutdown_ = true; |
|
|
|
|
UnsetSelectedSubchannel(); |
|
|
|
|
subchannel_list_.reset(); |
|
|
|
|
@ -1400,9 +1380,8 @@ void OldPickFirst::ShutdownLocked() { |
|
|
|
|
void OldPickFirst::ExitIdleLocked() { |
|
|
|
|
if (shutdown_) return; |
|
|
|
|
if (IsIdle()) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << this << " exiting idle"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << this << " exiting idle"; |
|
|
|
|
AttemptToConnectUsingLatestUpdateArgsLocked(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
@ -1597,11 +1576,10 @@ OldPickFirst::SubchannelList::SubchannelData::SubchannelData( |
|
|
|
|
: subchannel_list_(subchannel_list), |
|
|
|
|
index_(index), |
|
|
|
|
subchannel_(std::move(subchannel)) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << subchannel_list_->policy_.get() |
|
|
|
|
<< "] subchannel list " << subchannel_list_ << " index " << index_ |
|
|
|
|
<< " (subchannel " << subchannel_.get() << "): starting watch"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << subchannel_list_->policy_.get() << "] subchannel list " |
|
|
|
|
<< subchannel_list_ << " index " << index_ << " (subchannel " |
|
|
|
|
<< subchannel_.get() << "): starting watch"; |
|
|
|
|
auto watcher = std::make_unique<Watcher>( |
|
|
|
|
subchannel_list_->Ref(DEBUG_LOCATION, "Watcher"), index_); |
|
|
|
|
pending_watcher_ = watcher.get(); |
|
|
|
|
@ -1658,11 +1636,9 @@ void OldPickFirst::SubchannelList::SubchannelData::OnConnectivityStateChange( |
|
|
|
|
// Handle updates for the currently selected subchannel.
|
|
|
|
|
if (p->selected_ == this) { |
|
|
|
|
CHECK(subchannel_list_ == p->subchannel_list_.get()); |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << p |
|
|
|
|
<< " selected subchannel connectivity changed to " |
|
|
|
|
<< ConnectivityStateName(new_state); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << p << " selected subchannel connectivity changed to " |
|
|
|
|
<< ConnectivityStateName(new_state); |
|
|
|
|
// Any state change is considered to be a failure of the existing
|
|
|
|
|
// connection.
|
|
|
|
|
stats_plugins.AddCounter( |
|
|
|
|
@ -1677,11 +1653,10 @@ void OldPickFirst::SubchannelList::SubchannelData::OnConnectivityStateChange( |
|
|
|
|
p->channel_control_helper()->RequestReresolution(); |
|
|
|
|
// If there is a pending update, switch to the pending update.
|
|
|
|
|
if (p->latest_pending_subchannel_list_ != nullptr) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << p << " promoting pending subchannel " |
|
|
|
|
<< "list " << p->latest_pending_subchannel_list_.get() |
|
|
|
|
<< " to replace " << p->subchannel_list_.get(); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << p << " promoting pending subchannel " |
|
|
|
|
<< "list " << p->latest_pending_subchannel_list_.get() |
|
|
|
|
<< " to replace " << p->subchannel_list_.get(); |
|
|
|
|
p->UnsetSelectedSubchannel(); |
|
|
|
|
p->subchannel_list_ = std::move(p->latest_pending_subchannel_list_); |
|
|
|
|
// Set our state to that of the pending subchannel list.
|
|
|
|
|
@ -1895,11 +1870,10 @@ void OldPickFirst::SubchannelList::SubchannelData:: |
|
|
|
|
subchannel_list_ == p->latest_pending_subchannel_list_.get()); |
|
|
|
|
// Case 2. Promote p->latest_pending_subchannel_list_ to p->subchannel_list_.
|
|
|
|
|
if (subchannel_list_ == p->latest_pending_subchannel_list_.get()) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "Pick First " << p << " promoting pending subchannel list " |
|
|
|
|
<< p->latest_pending_subchannel_list_.get() << " to replace " |
|
|
|
|
<< p->subchannel_list_.get(); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "Pick First " << p << " promoting pending subchannel list " |
|
|
|
|
<< p->latest_pending_subchannel_list_.get() << " to replace " |
|
|
|
|
<< p->subchannel_list_.get(); |
|
|
|
|
p->UnsetSelectedSubchannel(); |
|
|
|
|
p->subchannel_list_ = std::move(p->latest_pending_subchannel_list_); |
|
|
|
|
} |
|
|
|
|
@ -1912,9 +1886,8 @@ void OldPickFirst::SubchannelList::SubchannelData:: |
|
|
|
|
// for the health status notification.
|
|
|
|
|
// If health checking is NOT enabled, report READY.
|
|
|
|
|
if (p->enable_health_watch_) { |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << p << "] starting health watch"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << p << "] starting health watch"; |
|
|
|
|
auto watcher = std::make_unique<HealthWatcher>( |
|
|
|
|
p->RefAsSubclass<OldPickFirst>(DEBUG_LOCATION, "HealthWatcher")); |
|
|
|
|
p->health_watcher_ = watcher.get(); |
|
|
|
|
@ -1959,18 +1932,16 @@ OldPickFirst::SubchannelList::SubchannelList( |
|
|
|
|
address.address(), address.args(), args_); |
|
|
|
|
if (subchannel == nullptr) { |
|
|
|
|
// Subchannel could not be created.
|
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << policy_.get() |
|
|
|
|
<< "] could not create subchannel for address " |
|
|
|
|
<< address.ToString() << ", ignoring"; |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << policy_.get() |
|
|
|
|
<< "] could not create subchannel for address " << address.ToString() |
|
|
|
|
<< ", ignoring"; |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
if (GRPC_TRACE_FLAG_ENABLED(pick_first)) { |
|
|
|
|
LOG(INFO) << "[PF " << policy_.get() << "] subchannel list " << this |
|
|
|
|
<< " index " << subchannels_.size() << ": Created subchannel " |
|
|
|
|
<< subchannel.get() << " for address " << address.ToString(); |
|
|
|
|
} |
|
|
|
|
GRPC_TRACE_LOG(pick_first, INFO) |
|
|
|
|
<< "[PF " << policy_.get() << "] subchannel list " << this << " index " |
|
|
|
|
<< subchannels_.size() << ": Created subchannel " << subchannel.get() |
|
|
|
|
<< " for address " << address.ToString(); |
|
|
|
|
subchannels_.emplace_back(this, subchannels_.size(), std::move(subchannel)); |
|
|
|
|
}); |
|
|
|
|
} |
|
|
|
|
|
tanvi-jagtap
9 months ago