| // Copyright 2018 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/shared/starboard/socket/socket_tracker.h" |
| |
| #include <sstream> |
| #include <utility> |
| |
| #include "starboard/common/log.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace starboard { |
| namespace socket { |
| |
| // static |
| SocketTracker* SocketTracker::GetInstance() { |
| static SocketTracker s_socket_tracker; |
| return &s_socket_tracker; |
| } |
| |
| void SocketTracker::OnCreate(SbSocket socket, |
| SbSocketAddressType address_type, |
| SbSocketProtocol protocol) { |
| SocketRecord record; |
| record.thread_id = SbThreadGetId(); |
| record.address_type = address_type; |
| record.protocol = protocol; |
| record.last_activity = SbTimeGetMonotonicNow(); |
| record.state = kCreated; |
| |
| ScopedLock scoped_lock(mutex_); |
| sockets_[socket] = record; |
| } |
| |
| void SocketTracker::OnDestroy(SbSocket socket) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| if (iter == sockets_.end()) { |
| return; |
| } |
| sockets_.erase(iter); |
| } |
| |
| void SocketTracker::OnConnect(SbSocket socket, |
| const SbSocketAddress& remote_address) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| iter->second.remote_address = remote_address; |
| SB_DCHECK(iter->second.state == kCreated); |
| iter->second.state = kConnected; |
| } |
| |
| void SocketTracker::OnBind(SbSocket socket, |
| const SbSocketAddress& local_address) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| iter->second.local_address = local_address; |
| } |
| |
| void SocketTracker::OnAccept(SbSocket listening_socket, |
| SbSocket accepted_socket) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(listening_socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| |
| SocketRecord record; |
| record.thread_id = SbThreadGetId(); |
| record.address_type = iter->second.address_type; |
| record.protocol = iter->second.protocol; |
| record.last_activity = iter->second.last_activity; |
| record.local_address = iter->second.local_address; |
| record.state = kConnected; |
| |
| sockets_[accepted_socket] = record; |
| } |
| |
| void SocketTracker::OnReceiveFrom(SbSocket socket, |
| const SbSocketAddress* source) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| if (source) { |
| iter->second.remote_address = *source; |
| } |
| } |
| |
| void SocketTracker::OnSendTo(SbSocket socket, |
| const SbSocketAddress* destination) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| if (destination) { |
| iter->second.remote_address = *destination; |
| } |
| } |
| |
| void SocketTracker::OnResolve(const char* hostname, |
| const SbSocketResolution& resolution) { |
| ScopedLock scoped_lock(mutex_); |
| for (int i = 0; i < resolution.address_count; ++i) { |
| socket_resolutions_[resolution.addresses[i]] = hostname; |
| } |
| } |
| |
| bool SocketTracker::IsSocketTracked(SbSocket socket) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| return iter != sockets_.end(); |
| } |
| |
| const optional<SbSocketAddress>& SocketTracker::GetLocalAddress( |
| SbSocket socket) const { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| return iter->second.local_address; |
| } |
| |
| void SocketTracker::OnListen(SbSocket socket) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| SB_DCHECK(iter->second.state == kCreated); |
| iter->second.state = kListened; |
| } |
| |
| SocketTracker::State SocketTracker::GetState(SbSocket socket) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| return iter->second.state; |
| } |
| |
| void SocketTracker::OnAddWaiter(SbSocket socket, SbSocketWaiter waiter) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| SB_DCHECK(!SbSocketWaiterIsValid(iter->second.waiter)); |
| SB_DCHECK(SbSocketWaiterIsValid(waiter)); |
| iter->second.waiter = waiter; |
| } |
| |
| void SocketTracker::OnRemoveWaiter(SbSocket socket, SbSocketWaiter waiter) { |
| ScopedLock scoped_lock(mutex_); |
| auto iter = sockets_.find(socket); |
| SB_DCHECK(iter != sockets_.end()); |
| |
| iter->second.last_activity = SbTimeGetMonotonicNow(); |
| SB_DCHECK(waiter == iter->second.waiter); |
| SB_DCHECK(SbSocketWaiterIsValid(waiter)); |
| iter->second.waiter = kSbSocketWaiterInvalid; |
| } |
| |
| void SocketTracker::LogTrackedSockets() { |
| ScopedLock scoped_lock(mutex_); |
| SB_LOG(INFO) << "Total tracked sockets: " << sockets_.size(); |
| for (auto iter : sockets_) { |
| SB_LOG(INFO) << ConvertToString_Locked(iter.second); |
| } |
| } |
| |
| std::string SocketTracker::ConvertToString_Locked( |
| SbSocketAddress address) const { |
| mutex_.DCheckAcquired(); |
| |
| std::stringstream ss; |
| ss << address; |
| |
| address.port = 0; |
| auto iter = socket_resolutions_.find(address); |
| if (iter != socket_resolutions_.end()) { |
| ss << "(" << iter->second << ")"; |
| } |
| return ss.str(); |
| } |
| |
| std::multimap<SbTimeMonotonic, SbSocket> |
| SocketTracker::ComputeIdleTimePerSocketForThreadId(SbThreadId thread_id) { |
| std::multimap<SbTimeMonotonic, SbSocket> idle_times_to_sockets; |
| for (auto it = sockets_.begin(); it != sockets_.end(); ++it) { |
| if (it->second.thread_id != thread_id || it->second.state == kListened) { |
| continue; |
| } |
| SbTimeMonotonic time_idle = ComputeTimeIdle(it->second); |
| idle_times_to_sockets.insert(std::make_pair(time_idle, it->first)); |
| } |
| return idle_times_to_sockets; |
| } |
| |
| std::string SocketTracker::ConvertToString_Locked( |
| const SocketRecord& record) const { |
| mutex_.DCheckAcquired(); |
| |
| std::stringstream ss; |
| ss << (record.protocol == kSbSocketProtocolTcp ? "TCP/" : "UDP/"); |
| ss << (record.address_type == kSbSocketAddressTypeIpv4 ? "Ipv4" : "Ipv6"); |
| if (record.local_address) { |
| ss << " local addr: " << ConvertToString_Locked(*record.local_address); |
| } |
| if (record.remote_address) { |
| ss << " remote addr: " << ConvertToString_Locked(*record.remote_address); |
| } |
| switch (record.state) { |
| case kCreated: |
| ss << ", created,"; |
| break; |
| case kConnected: |
| ss << ", connect called,"; |
| break; |
| case kListened: |
| ss << ", listen called,"; |
| break; |
| } |
| ss << " has been idle for " << ComputeTimeIdle(record) * 1.0f / kSbTimeSecond |
| << " seconds"; |
| return ss.str(); |
| } |
| |
| // static |
| SbTimeMonotonic SocketTracker::ComputeTimeIdle(const SocketRecord& record) { |
| return SbTimeGetMonotonicNow() - record.last_activity; |
| } |
| |
| } // namespace socket |
| } // namespace starboard |
| } // namespace shared |
| } // namespace starboard |