| /** @file |
| |
| A brief file description |
| |
| @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. |
| */ |
| |
| /**************************************************************************** |
| |
| Http1ClientSession.h |
| |
| Description: |
| |
| ****************************************************************************/ |
| |
| #pragma once |
| |
| #include "P_Net.h" |
| #include "InkAPIInternal.h" |
| #include "HTTP.h" |
| #include "HttpConfig.h" |
| #include "IPAllow.h" |
| #include "ProxySession.h" |
| #include "Http1Transaction.h" |
| |
| #ifdef USE_HTTP_DEBUG_LISTS |
| extern ink_mutex debug_cs_list_mutex; |
| #endif |
| |
| class HttpSM; |
| class Http1ServerSession; |
| |
| class Http1ClientSession : public ProxySession |
| { |
| public: |
| typedef ProxySession super; ///< Parent type. |
| Http1ClientSession(); |
| |
| // Implement ProxySession interface. |
| void new_connection(NetVConnection *new_vc, MIOBuffer *iobuf, IOBufferReader *reader) override; |
| void start() override; |
| void release(ProxyTransaction *trans) override; // Indicate we are done with a transaction |
| void release_transaction(); |
| void destroy() override; |
| void free() override; |
| |
| void attach_server_session(Http1ServerSession *ssession, bool transaction_done = true) override; |
| |
| // Implement VConnection interface. |
| VIO *do_io_read(Continuation *c, int64_t nbytes = INT64_MAX, MIOBuffer *buf = nullptr) override; |
| VIO *do_io_write(Continuation *c = nullptr, int64_t nbytes = INT64_MAX, IOBufferReader *buf = nullptr, |
| bool owner = false) override; |
| |
| void do_io_close(int lerrno = -1) override; |
| void do_io_shutdown(ShutdownHowTo_t howto) override; |
| void reenable(VIO *vio) override; |
| |
| // Accessor Methods |
| bool allow_half_open() const; |
| void set_half_close_flag(bool flag) override; |
| bool get_half_close_flag() const override; |
| bool is_chunked_encoding_supported() const override; |
| NetVConnection *get_netvc() const override; |
| int get_transact_count() const override; |
| virtual bool is_outbound_transparent() const; |
| |
| Http1ServerSession *get_server_session() const override; |
| void set_active_timeout(ink_hrtime timeout_in) override; |
| void set_inactivity_timeout(ink_hrtime timeout_in) override; |
| void cancel_inactivity_timeout() override; |
| const char *get_protocol_string() const override; |
| |
| void increment_current_active_client_connections_stat() override; |
| void decrement_current_active_client_connections_stat() override; |
| |
| private: |
| Http1ClientSession(Http1ClientSession &); |
| |
| void new_transaction(); |
| |
| int state_keep_alive(int event, void *data); |
| int state_slave_keep_alive(int event, void *data); |
| int state_wait_for_close(int event, void *data); |
| |
| enum C_Read_State { |
| HCS_INIT, |
| HCS_ACTIVE_READER, |
| HCS_KEEP_ALIVE, |
| HCS_HALF_CLOSED, |
| HCS_CLOSED, |
| }; |
| |
| NetVConnection *client_vc = nullptr; |
| int magic = HTTP_SS_MAGIC_DEAD; |
| int transact_count = 0; |
| bool half_close = false; |
| bool conn_decrease = false; |
| |
| MIOBuffer *read_buffer = nullptr; |
| IOBufferReader *_reader = nullptr; |
| |
| C_Read_State read_state = HCS_INIT; |
| |
| VIO *ka_vio = nullptr; |
| VIO *slave_ka_vio = nullptr; |
| |
| Http1ServerSession *bound_ss = nullptr; |
| |
| int released_transactions = 0; |
| |
| int64_t read_from_early_data = 0; |
| |
| public: |
| // Link<Http1ClientSession> debug_link; |
| LINK(Http1ClientSession, debug_link); |
| |
| /// Set outbound connection to transparent. |
| bool f_outbound_transparent = false; |
| |
| Http1Transaction trans; |
| }; |
| |
| extern ClassAllocator<Http1ClientSession> http1ClientSessionAllocator; |