146 lines
4.6 KiB
C++
146 lines
4.6 KiB
C++
/*
|
|
* Spdylay - SPDY Library
|
|
*
|
|
* Copyright (c) 2012 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 SHRPX_DOWNSTREAM_H
|
|
#define SHRPX_DOWNSTREAM_H
|
|
|
|
#include "shrpx.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#include <event.h>
|
|
#include <event2/bufferevent.h>
|
|
|
|
extern "C" {
|
|
#include "htparse/htparse.h"
|
|
}
|
|
|
|
#include "shrpx_io_control.h"
|
|
|
|
namespace shrpx {
|
|
|
|
class Upstream;
|
|
class DownstreamConnection;
|
|
|
|
typedef std::vector<std::pair<std::string, std::string> > Headers;
|
|
|
|
class Downstream {
|
|
public:
|
|
Downstream(Upstream *upstream, int stream_id, int priority);
|
|
~Downstream();
|
|
Upstream* get_upstream() const;
|
|
int32_t get_stream_id() const;
|
|
void set_priority(int pri);
|
|
void pause_read(IOCtrlReason reason);
|
|
bool resume_read(IOCtrlReason reason);
|
|
void force_resume_read();
|
|
void set_downstream_connection(DownstreamConnection *dconn);
|
|
DownstreamConnection* get_downstream_connection();
|
|
// Returns true if output buffer is full. If underlying dconn_ is
|
|
// NULL, this function always returns false.
|
|
bool get_output_buffer_full();
|
|
int32_t get_recv_window_size() const;
|
|
void inc_recv_window_size(int32_t amount);
|
|
void set_recv_window_size(int32_t new_size);
|
|
// downstream request API
|
|
const Headers& get_request_headers() const;
|
|
void add_request_header(const std::string& name, const std::string& value);
|
|
void set_last_request_header_value(const std::string& value);
|
|
void set_request_method(const std::string& method);
|
|
void set_request_path(const std::string& path);
|
|
void set_request_major(int major);
|
|
void set_request_minor(int minor);
|
|
int get_request_major() const;
|
|
int get_request_minor() const;
|
|
int push_request_headers();
|
|
bool get_chunked_request() const;
|
|
bool get_request_connection_close() const;
|
|
void set_request_connection_close(bool f);
|
|
bool get_expect_100_continue() const;
|
|
int push_upload_data_chunk(const uint8_t *data, size_t datalen);
|
|
int end_upload_data();
|
|
enum {
|
|
INITIAL,
|
|
HEADER_COMPLETE,
|
|
MSG_COMPLETE,
|
|
STREAM_CLOSED,
|
|
CONNECT_FAIL,
|
|
IDLE
|
|
};
|
|
void set_request_state(int state);
|
|
int get_request_state() const;
|
|
// downstream response API
|
|
const Headers& get_response_headers() const;
|
|
void add_response_header(const std::string& name, const std::string& value);
|
|
void set_last_response_header_value(const std::string& value);
|
|
unsigned int get_response_http_status() const;
|
|
void set_response_http_status(unsigned int status);
|
|
void set_response_major(int major);
|
|
void set_response_minor(int minor);
|
|
int get_response_major() const;
|
|
int get_response_minor() const;
|
|
bool get_chunked_response() const;
|
|
bool get_response_connection_close() const;
|
|
int parse_http_response();
|
|
void set_response_state(int state);
|
|
int get_response_state() const;
|
|
int init_response_body_buf();
|
|
evbuffer* get_response_body_buf();
|
|
private:
|
|
Upstream *upstream_;
|
|
DownstreamConnection *dconn_;
|
|
int32_t stream_id_;
|
|
int priority_;
|
|
IOControl ioctrl_;
|
|
int request_state_;
|
|
std::string request_method_;
|
|
std::string request_path_;
|
|
int request_major_;
|
|
int request_minor_;
|
|
bool chunked_request_;
|
|
bool request_connection_close_;
|
|
bool request_expect_100_continue_;
|
|
Headers request_headers_;
|
|
|
|
int response_state_;
|
|
unsigned int response_http_status_;
|
|
int response_major_;
|
|
int response_minor_;
|
|
bool chunked_response_;
|
|
bool response_connection_close_;
|
|
Headers response_headers_;
|
|
htparser *response_htp_;
|
|
// This buffer is used to temporarily store downstream response
|
|
// body. Spdylay reads data from this in the callback.
|
|
evbuffer *response_body_buf_;
|
|
int32_t recv_window_size_;
|
|
};
|
|
|
|
} // namespace shrpx
|
|
|
|
#endif // SHRPX_DOWNSTREAM_H
|