1 /** @file
2 
3   Http1Transaction.cc - The Transaction class for Http1*
4 
5   @section license License
6 
7   Licensed to the Apache Software Foundation (ASF) under one
8   or more contributor license agreements.  See the NOTICE file
9   distributed with this work for additional information
10   regarding copyright ownership.  The ASF licenses this file
11   to you under the Apache License, Version 2.0 (the
12   "License"); you may not use this file except in compliance
13   with the License.  You may obtain a copy of the License at
14 
15       http://www.apache.org/licenses/LICENSE-2.0
16 
17   Unless required by applicable law or agreed to in writing, software
18   distributed under the License is distributed on an "AS IS" BASIS,
19   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20   See the License for the specific language governing permissions and
21   limitations under the License.
22  */
23 
24 #include "Http1Transaction.h"
25 #include "Http1ClientSession.h"
26 #include "HttpSM.h"
27 
28 void
release(IOBufferReader * r)29 Http1Transaction::release(IOBufferReader *r)
30 {
31 }
32 
33 void
reset()34 Http1Transaction::reset()
35 {
36   _sm = nullptr;
37 }
38 
39 void
transaction_done()40 Http1Transaction::transaction_done()
41 {
42   SCOPED_MUTEX_LOCK(lock, this->mutex, this_ethread());
43   super_type::transaction_done();
44   if (_proxy_ssn) {
45     static_cast<Http1ClientSession *>(_proxy_ssn)->release_transaction();
46   }
47 }
48 
49 bool
allow_half_open() const50 Http1Transaction::allow_half_open() const
51 {
52   bool config_allows_it = (_sm) ? _sm->t_state.txn_conf->allow_half_open > 0 : true;
53   if (config_allows_it) {
54     // Check with the session to make sure the underlying transport allows the half open scenario
55     return static_cast<Http1ClientSession *>(_proxy_ssn)->allow_half_open();
56   }
57   return false;
58 }
59 
60 void
increment_client_transactions_stat()61 Http1Transaction::increment_client_transactions_stat()
62 {
63   HTTP_INCREMENT_DYN_STAT(http_current_client_transactions_stat);
64 }
65 
66 void
decrement_client_transactions_stat()67 Http1Transaction::decrement_client_transactions_stat()
68 {
69   HTTP_DECREMENT_DYN_STAT(http_current_client_transactions_stat);
70 }
71 
72 //
73 int
get_transaction_id() const74 Http1Transaction::get_transaction_id() const
75 {
76   // For HTTP/1 there is only one on-going transaction at a time per session/connection.  Therefore, the transaction count can be
77   // presumed not to increase during the lifetime of a transaction, thus this function will return a consistent unique transaction
78   // identifier.
79   //
80   return _proxy_ssn->get_transact_count();
81 }
82