| /** @file |
| |
| Http1Transaction.cc - The Transaction class for Http1* |
| |
| @section license License |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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 "Http1Transaction.h" |
| #include "Http1ClientSession.h" |
| #include "HttpSM.h" |
| |
| void |
| Http1Transaction::release(IOBufferReader *r) |
| { |
| // Must set this inactivity count here rather than in the session because the state machine |
| // is not available then |
| MgmtInt ka_in = _sm->t_state.txn_conf->keep_alive_no_activity_timeout_in; |
| set_inactivity_timeout(HRTIME_SECONDS(ka_in)); |
| |
| _proxy_ssn->clear_session_active(); |
| _proxy_ssn->ssn_last_txn_time = Thread::get_hrtime(); |
| |
| // Make sure that the state machine is returning |
| // correct buffer reader |
| ink_assert(r == _reader); |
| if (r != _reader) { |
| this->do_io_close(); |
| } else { |
| super_type::release(r); |
| } |
| } |
| |
| void |
| Http1Transaction::destroy() // todo make ~Http1Transaction() |
| { |
| _sm = nullptr; |
| } |
| |
| void |
| Http1Transaction::transaction_done() |
| { |
| if (_proxy_ssn) { |
| static_cast<Http1ClientSession *>(_proxy_ssn)->release_transaction(); |
| } |
| } |
| |
| void |
| Http1Transaction::reenable(VIO *vio) |
| { |
| _proxy_ssn->reenable(vio); |
| } |
| |
| bool |
| Http1Transaction::allow_half_open() const |
| { |
| bool config_allows_it = (_sm) ? _sm->t_state.txn_conf->allow_half_open > 0 : true; |
| if (config_allows_it) { |
| // Check with the session to make sure the underlying transport allows the half open scenario |
| return static_cast<Http1ClientSession *>(_proxy_ssn)->allow_half_open(); |
| } |
| return false; |
| } |
| |
| void |
| Http1Transaction::increment_client_transactions_stat() |
| { |
| HTTP_INCREMENT_DYN_STAT(http_current_client_transactions_stat); |
| } |
| |
| void |
| Http1Transaction::decrement_client_transactions_stat() |
| { |
| HTTP_DECREMENT_DYN_STAT(http_current_client_transactions_stat); |
| } |
| |
| // Implement VConnection interface. |
| VIO * |
| Http1Transaction::do_io_read(Continuation *c, int64_t nbytes, MIOBuffer *buf) |
| { |
| return _proxy_ssn->do_io_read(c, nbytes, buf); |
| } |
| VIO * |
| Http1Transaction::do_io_write(Continuation *c, int64_t nbytes, IOBufferReader *buf, bool owner) |
| { |
| return _proxy_ssn->do_io_write(c, nbytes, buf, owner); |
| } |
| |
| void |
| Http1Transaction::do_io_close(int lerrno) |
| { |
| _proxy_ssn->do_io_close(lerrno); |
| // this->destroy(); Parent owns this data structure. No need for separate destroy. |
| } |
| |
| void |
| Http1Transaction::do_io_shutdown(ShutdownHowTo_t howto) |
| { |
| _proxy_ssn->do_io_shutdown(howto); |
| } |
| |
| void |
| Http1Transaction::set_active_timeout(ink_hrtime timeout_in) |
| { |
| if (_proxy_ssn) |
| _proxy_ssn->set_active_timeout(timeout_in); |
| } |
| void |
| Http1Transaction::set_inactivity_timeout(ink_hrtime timeout_in) |
| { |
| if (_proxy_ssn) |
| _proxy_ssn->set_inactivity_timeout(timeout_in); |
| } |
| void |
| Http1Transaction::cancel_inactivity_timeout() |
| { |
| if (_proxy_ssn) |
| _proxy_ssn->cancel_inactivity_timeout(); |
| } |
| // |
| int |
| Http1Transaction::get_transaction_id() const |
| { |
| // For HTTP/1 there is only one on-going transaction at a time per session/connection. Therefore, the transaction count can be |
| // presumed not to increase during the lifetime of a transaction, thus this function will return a consistent unique transaction |
| // identifier. |
| // |
| return _proxy_ssn->get_transact_count(); |
| } |