nghttp2/src/asio_client_session_impl.h

144 lines
4.1 KiB
C++

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef ASIO_CLIENT_SESSION_IMPL_H
#define ASIO_CLIENT_SESSION_IMPL_H
#include "nghttp2_config.h"
#include <boost/array.hpp>
#include <nghttp2/asio_http2_client.h>
#include "template.h"
namespace nghttp2 {
namespace asio_http2 {
namespace client {
class stream;
using boost::asio::ip::tcp;
class session_impl : public std::enable_shared_from_this<session_impl> {
public:
session_impl(boost::asio::io_service &io_service,
const boost::posix_time::time_duration &connect_timeout);
virtual ~session_impl();
void start_resolve(const std::string &host, const std::string &service);
void connected(tcp::resolver::iterator endpoint_it);
void not_connected(const boost::system::error_code &ec);
void on_connect(connect_cb cb);
void on_error(error_cb cb);
const connect_cb &on_connect() const;
const error_cb &on_error() const;
int write_trailer(stream &strm, header_map h);
void cancel(stream &strm, uint32_t error_code);
void resume(stream &strm);
std::unique_ptr<stream> create_stream();
std::unique_ptr<stream> pop_stream(int32_t stream_id);
stream *create_push_stream(int32_t stream_id);
stream *find_stream(int32_t stream_id);
const request *submit(boost::system::error_code &ec,
const std::string &method, const std::string &uri,
generator_cb cb, header_map h, priority_spec spec);
virtual void start_connect(tcp::resolver::iterator endpoint_it) = 0;
virtual tcp::socket &socket() = 0;
virtual void read_socket(
std::function<void(const boost::system::error_code &ec, std::size_t n)>
h) = 0;
virtual void write_socket(
std::function<void(const boost::system::error_code &ec, std::size_t n)>
h) = 0;
virtual void shutdown_socket() = 0;
void shutdown();
boost::asio::io_service &io_service();
void signal_write();
void enter_callback();
void leave_callback();
void do_read();
void do_write();
void read_timeout(const boost::posix_time::time_duration &t);
void stop();
bool stopped() const;
protected:
boost::array<uint8_t, 8_k> rb_;
boost::array<uint8_t, 64_k> wb_;
std::size_t wblen_;
private:
bool should_stop() const;
bool setup_session();
void call_error_cb(const boost::system::error_code &ec);
void handle_deadline();
void start_ping();
void handle_ping(const boost::system::error_code &ec);
boost::asio::io_service &io_service_;
tcp::resolver resolver_;
std::map<int32_t, std::unique_ptr<stream>> streams_;
connect_cb connect_cb_;
error_cb error_cb_;
boost::asio::deadline_timer deadline_;
boost::posix_time::time_duration connect_timeout_;
boost::posix_time::time_duration read_timeout_;
boost::asio::deadline_timer ping_;
nghttp2_session *session_;
const uint8_t *data_pending_;
std::size_t data_pendinglen_;
bool writing_;
bool inside_callback_;
bool stopped_;
};
} // namespace client
} // namespace asio_http2
} // namespace nghttp2
#endif // ASIO_CLIENT_SESSION_IMPL_H