nghttp: Add include file to clarify used objects

This commit is contained in:
Tatsuhiro Tsujikawa 2015-01-10 16:44:09 +09:00
parent b933ee8e78
commit 1795d3ea27
3 changed files with 1487 additions and 1407 deletions

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@ -72,7 +72,7 @@ if HAVE_LIBXML2
HTML_PARSER_OBJECTS += HtmlParser.cc
endif # HAVE_LIBXML2
nghttp_SOURCES = ${HELPER_OBJECTS} ${HELPER_HFILES} nghttp.cc \
nghttp_SOURCES = ${HELPER_OBJECTS} ${HELPER_HFILES} nghttp.cc nghttp.h \
${HTML_PARSER_OBJECTS} ${HTML_PARSER_HFILES} \
ssl.cc ssl.h

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277
src/nghttp.h Normal file
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@ -0,0 +1,277 @@
/*
* 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 NGHTTP_H
#define NGHTTP_H
#include "nghttp2_config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string>
#include <vector>
#include <set>
#include <chrono>
#include <openssl/ssl.h>
#include <ev.h>
#include <nghttp2/nghttp2.h>
#include "http-parser/http_parser.h"
#include "ringbuf.h"
#include "http2.h"
#include "nghttp2_gzip.h"
namespace nghttp2 {
class HtmlParser;
struct Config {
Config();
~Config();
Headers headers;
std::string certfile;
std::string keyfile;
std::string datafile;
std::string harfile;
nghttp2_option *http2_option;
size_t output_upper_thres;
size_t padding;
ssize_t peer_max_concurrent_streams;
ssize_t header_table_size;
int32_t weight;
int multiply;
// milliseconds
ev_tstamp timeout;
int window_bits;
int connection_window_bits;
int verbose;
bool null_out;
bool remote_name;
bool get_assets;
bool stat;
bool upgrade;
bool continuation;
bool no_content_length;
bool no_dep;
bool dep_idle;
};
enum StatStage {
STAT_INITIAL,
STAT_ON_REQUEST,
STAT_ON_RESPONSE,
STAT_ON_COMPLETE
};
struct RequestStat {
std::chrono::steady_clock::time_point on_request_time;
std::chrono::steady_clock::time_point on_response_time;
std::chrono::steady_clock::time_point on_complete_time;
StatStage stage;
RequestStat() : stage(STAT_INITIAL) {}
};
struct Request;
struct Dependency {
std::vector<std::vector<Request *>> deps;
};
struct Request {
// For pushed request, |uri| is empty and |u| is zero-cleared.
Request(const std::string &uri, const http_parser_url &u,
const nghttp2_data_provider *data_prd, int64_t data_length,
const nghttp2_priority_spec &pri_spec,
std::shared_ptr<Dependency> dep, int pri = 0, int level = 0);
~Request();
void init_inflater();
void init_html_parser();
int update_html_parser(const uint8_t *data, size_t len, int fin);
std::string make_reqpath() const;
int32_t find_dep_stream_id(int start);
nghttp2_priority_spec resolve_dep(int32_t pri);
bool is_ipv6_literal_addr() const;
bool response_pseudo_header_allowed(int token) const;
bool push_request_pseudo_header_allowed(int token) const;
Headers::value_type *get_res_header(int token);
Headers::value_type *get_req_header(int token);
void record_request_time();
void record_response_time();
void record_complete_time();
Headers res_nva;
Headers req_nva;
// URI without fragment
std::string uri;
http_parser_url u;
std::shared_ptr<Dependency> dep;
nghttp2_priority_spec pri_spec;
RequestStat stat;
int64_t data_length;
int64_t data_offset;
// Number of bytes received from server
int64_t response_len;
nghttp2_gzip *inflater;
HtmlParser *html_parser;
const nghttp2_data_provider *data_prd;
int32_t stream_id;
int status;
// Recursion level: 0: first entity, 1: entity linked from first entity
int level;
// RequestPriority value defined in HtmlParser.h
int pri;
int res_hdidx[http2::HD_MAXIDX];
// used for incoming PUSH_PROMISE
int req_hdidx[http2::HD_MAXIDX];
bool expect_final_response;
};
struct SessionStat {
// The point in time when download was started.
std::chrono::system_clock::time_point started_system_time;
// The point of time when download was started.
std::chrono::steady_clock::time_point on_started_time;
// The point of time when DNS resolution was completed.
std::chrono::steady_clock::time_point on_dns_complete_time;
// The point of time when connection was established or SSL/TLS
// handshake was completed.
std::chrono::steady_clock::time_point on_connect_time;
// The point of time when HTTP/2 commnucation was started.
std::chrono::steady_clock::time_point on_handshake_time;
};
enum client_state { STATE_IDLE, STATE_CONNECTED };
struct HttpClient {
HttpClient(const nghttp2_session_callbacks *callbacks, struct ev_loop *loop,
SSL_CTX *ssl_ctx);
~HttpClient();
bool need_upgrade() const;
int resolve_host(const std::string &host, uint16_t port);
int initiate_connection();
void disconnect();
void on_connect_fail();
int noop();
int read_clear();
int write_clear();
int connected();
int tls_handshake();
int read_tls();
int write_tls();
int do_read();
int do_write();
int on_upgrade_connect();
int on_upgrade_read(const uint8_t *data, size_t len);
int on_read(const uint8_t *data, size_t len);
int on_write();
int on_connect();
void on_request(Request *req);
void signal_write();
bool all_requests_processed() const;
void update_hostport();
bool add_request(const std::string &uri,
const nghttp2_data_provider *data_prd, int64_t data_length,
const nghttp2_priority_spec &pri_spec,
std::shared_ptr<Dependency> dep, int pri = 0, int level = 0);
void record_handshake_time();
void record_started_time();
void record_dns_complete_time();
void record_connect_time();
#ifdef HAVE_JANSSON
void output_har(FILE *outfile);
#endif // HAVE_JANSSON
std::vector<std::unique_ptr<Request>> reqvec;
// Insert path already added in reqvec to prevent multiple request
// for 1 resource.
std::set<std::string> path_cache;
std::string scheme;
std::string host;
std::string hostport;
// Used for parse the HTTP upgrade response from server
std::unique_ptr<http_parser> htp;
SessionStat stat;
ev_io wev;
ev_io rev;
ev_timer wt;
ev_timer rt;
ev_timer settings_timer;
std::function<int(HttpClient &)> readfn, writefn;
std::function<int(HttpClient &, const uint8_t *, size_t)> on_readfn;
std::function<int(HttpClient &)> on_writefn;
nghttp2_session *session;
const nghttp2_session_callbacks *callbacks;
struct ev_loop *loop;
SSL_CTX *ssl_ctx;
SSL *ssl;
addrinfo *addrs;
addrinfo *next_addr;
addrinfo *cur_addr;
// The number of completed requests, including failed ones.
size_t complete;
// The length of settings_payload
size_t settings_payloadlen;
client_state state;
// The HTTP status code of the response message of HTTP Upgrade.
unsigned int upgrade_response_status_code;
int fd;
// true if the response message of HTTP Upgrade request is fully
// received. It is not relevant the upgrade succeeds, or not.
bool upgrade_response_complete;
RingBuf<65536> wb;
// SETTINGS payload sent as token68 in HTTP Upgrade
uint8_t settings_payload[128];
enum { ERR_CONNECT_FAIL = -100 };
};
} // namespace nghttp2
#endif // NGHTTP_H