| 12 | class TSocketPool; |
| 13 | |
| 14 | class TPooledSocket { |
| 15 | class TImpl: public TIntrusiveListItem<TImpl>, public TSimpleRefCount<TImpl, TImpl> { |
| 16 | public: |
| 17 | TImpl(SOCKET fd, TSocketPool* pool) noexcept |
| 18 | : Pool_(pool) |
| 19 | , IsKeepAlive_(false) |
| 20 | , Fd_(fd) |
| 21 | { |
| 22 | Touch(); |
| 23 | } |
| 24 | |
| 25 | static void Destroy(TImpl* impl) noexcept { |
| 26 | impl->DoDestroy(); |
| 27 | } |
| 28 | |
| 29 | void DoDestroy() noexcept { |
| 30 | if (!Closed() && IsKeepAlive() && IsInGoodState()) { |
| 31 | ReturnToPool(); |
| 32 | } else { |
| 33 | delete this; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | bool IsKeepAlive() const noexcept { |
| 38 | return IsKeepAlive_; |
| 39 | } |
| 40 | |
| 41 | void SetKeepAlive(bool ka) { |
| 42 | ::SetKeepAlive(Fd_, ka); |
| 43 | IsKeepAlive_ = ka; |
| 44 | } |
| 45 | |
| 46 | SOCKET Socket() const noexcept { |
| 47 | return Fd_; |
| 48 | } |
| 49 | |
| 50 | bool Closed() const noexcept { |
| 51 | return Fd_.Closed(); |
| 52 | } |
| 53 | |
| 54 | void Close() noexcept { |
| 55 | Fd_.Close(); |
| 56 | } |
| 57 | |
| 58 | bool IsInGoodState() const noexcept { |
| 59 | int err = 0; |
| 60 | socklen_t len = sizeof(err); |
| 61 | |
| 62 | getsockopt(Fd_, SOL_SOCKET, SO_ERROR, (char*)&err, &len); |
| 63 | |
| 64 | return !err; |
| 65 | } |
| 66 | |
| 67 | bool IsOpen() const noexcept { |
| 68 | return IsInGoodState() && IsNotSocketClosedByOtherSide(Fd_); |
| 69 | } |
| 70 | |
| 71 | void Touch() noexcept { |