nghttp2/src/shrpx_http.cc

111 lines
2.8 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.
*/
#include "shrpx_http.h"
#include "shrpx_config.h"
#include "shrpx_log.h"
#include "http2.h"
#include "util.h"
using namespace nghttp2;
namespace shrpx {
namespace http {
std::string create_error_html(unsigned int status_code)
{
std::string res;
res.reserve(512);
auto status = http2::get_status_string(status_code);
res += "<html><head><title>";
res += status;
res += "</title></head><body><h1>";
res += status;
res += "</h1><hr><address>";
res += get_config()->server_name;
res += " at port ";
res += util::utos(get_config()->port);
res += "</address>";
res += "</body></html>";
return res;
}
std::string create_via_header_value(int major, int minor)
{
std::string hdrs;
hdrs += static_cast<char>(major+'0');
hdrs += ".";
hdrs += static_cast<char>(minor+'0');
hdrs += " nghttpx";
return hdrs;
}
std::string colorizeHeaders(const char *hdrs)
{
std::string nhdrs;
const char *p = strchr(hdrs, '\n');
if(!p) {
// Not valid HTTP header
return hdrs;
}
nhdrs.append(hdrs, p+1);
++p;
while(1) {
const char* np = strchr(p, ':');
if(!np) {
nhdrs.append(p);
break;
}
nhdrs += TTY_HTTP_HD;
nhdrs.append(p, np);
nhdrs += TTY_RST;
p = np;
np = strchr(p, '\n');
if(!np) {
nhdrs.append(p);
break;
}
nhdrs.append(p, np+1);
p = np+1;
}
return nhdrs;
}
ssize_t select_padding_callback
(nghttp2_session *session, const nghttp2_frame *frame, size_t max_payload,
void *user_data)
{
auto bd = get_config()->padding;
if(frame->hd.length == 0) {
return std::min(max_payload, bd);
}
return std::min(max_payload, (frame->hd.length + bd - 1) / bd * bd);
}
} // namespace http
} // namespace shrpx