nghttp2/examples/spdy.h

242 lines
6.8 KiB
C++

/*
* nghttp2 - HTTP/2.0 C 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 SPDY_H
#define SPDY_H
#include "nghttp2_config.h"
#include <signal.h>
#include <vector>
#include <string>
#include <functional>
#include "nghttp2_ssl.h"
#include "uri.h"
#include "util.h"
#include "SpdyServer.h"
using namespace nghttp2;
namespace nghttp2 {
class request {
public:
request(const std::vector<std::pair<std::string, std::string>>& headers)
: headers_(headers)
{}
const std::vector<std::pair<std::string, std::string>>& headers()
{
return headers_;
}
private:
std::vector<std::pair<std::string, std::string>> headers_;
};
class response {
public:
response()
: status_code_(200)
{}
void set_status(int status_code)
{
status_code_ = status_code;
}
const char* get_status_string() const
{
switch(status_code_) {
case 100: return "100 Continue";
case 101: return "101 Switching Protocols";
case 200: return "200 OK";
case 201: return "201 Created";
case 202: return "202 Accepted";
case 203: return "203 Non-Authoritative Information";
case 204: return "204 No Content";
case 205: return "205 Reset Content";
case 206: return "206 Partial Content";
case 300: return "300 Multiple Choices";
case 301: return "301 Moved Permanently";
case 302: return "302 Found";
case 303: return "303 See Other";
case 304: return "304 Not Modified";
case 305: return "305 Use Proxy";
// case 306: return "306 (Unused)";
case 307: return "307 Temporary Redirect";
case 400: return "400 Bad Request";
case 401: return "401 Unauthorized";
case 402: return "402 Payment Required";
case 403: return "403 Forbidden";
case 404: return "404 Not Found";
case 405: return "405 Method Not Allowed";
case 406: return "406 Not Acceptable";
case 407: return "407 Proxy Authentication Required";
case 408: return "408 Request Timeout";
case 409: return "409 Conflict";
case 410: return "410 Gone";
case 411: return "411 Length Required";
case 412: return "412 Precondition Failed";
case 413: return "413 Request Entity Too Large";
case 414: return "414 Request-URI Too Long";
case 415: return "415 Unsupported Media Type";
case 416: return "416 Requested Range Not Satisfiable";
case 417: return "417 Expectation Failed";
case 500: return "500 Internal Server Error";
case 501: return "501 Not Implemented";
case 502: return "502 Bad Gateway";
case 503: return "503 Service Unavailable";
case 504: return "504 Gateway Timeout";
case 505: return "505 HTTP Version Not Supported";
default: return "";
}
}
void set_header(const std::string& key, const std::string& value)
{
headers_.push_back(std::make_pair(key, value));
}
const std::vector<std::pair<std::string, std::string>>& get_headers()
{
return headers_;
}
void end(const std::string& body)
{
body_ = body;
}
const std::string& get_body() const
{
return body_;
}
private:
int status_code_;
std::string body_;
std::vector<std::pair<std::string, std::string>> headers_;
};
ssize_t string_read_callback
(nghttp2_session *session, int32_t stream_id,
uint8_t *buf, size_t length, int *eof,
nghttp2_data_source *source, void *user_data)
{
std::pair<std::string, size_t>& body_pair =
*reinterpret_cast<std::pair<std::string, size_t>*>(source->ptr);
const std::string& body = body_pair.first;
size_t off = body_pair.second;
ssize_t readlen = std::min(body.size()-off, length);
memcpy(buf, body.c_str()+off, readlen);
off += readlen;
if(off == body.size()) {
*eof = 1;
}
return readlen;
}
void on_request_recv_callback
(nghttp2_session *session, int32_t stream_id, void *user_data)
{
SpdyEventHandler *hd = reinterpret_cast<SpdyEventHandler*>(user_data);
Request *req = hd->get_stream(stream_id);
request request_obj(req->headers);
response response_obj;
(*reinterpret_cast<std::function<void (request&, response&)>*>
(hd->config()->data_ptr))(request_obj, response_obj);
size_t body_length = response_obj.get_body().size();
response_obj.set_header("content-length", util::to_str(body_length));
req->response_body = std::make_pair(response_obj.get_body(), 0);
nghttp2_data_provider data_prd;
data_prd.source.ptr = &req->response_body;
data_prd.read_callback = string_read_callback;
hd->submit_response(response_obj.get_status_string(), stream_id,
response_obj.get_headers(), &data_prd);
}
class spdy {
public:
spdy() : server_(0) {}
~spdy()
{
delete server_;
}
bool listen(const std::string& host, uint16_t port,
const std::string& private_key_file, const std::string& cert_file,
std::function<void (request&, response&)> callback,
bool verbose = false)
{
delete server_;
callback_ = callback;
config_.verbose = verbose;
config_.host = host;
config_.port = port;
config_.private_key_file = private_key_file;
config_.cert_file = cert_file;
config_.on_request_recv_callback = on_request_recv_callback;
config_.data_ptr = &callback_;
server_ = new SpdyServer(&config_);
return server_->listen() == 0;
}
int run()
{
return server_->run();
}
private:
Config config_;
std::function<void (request&, response&)> callback_;
SpdyServer *server_;
};
namespace reactor {
template<typename Server>
int run(Server& server)
{
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, 0);
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
SSL_library_init();
reset_timer();
int r = server.run();
if(r == 0) {
return EXIT_SUCCESS;
} else {
return EXIT_FAILURE;
}
}
} // namespace reactor
} // namespace nghttp2
#endif // SPDY_H