746 lines
21 KiB
C++
746 lines
21 KiB
C++
/*
|
|
* nghttp2 - HTTP/2 C Library
|
|
*
|
|
* Copyright (c) 2014 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 "asio_http2_handler.h"
|
|
|
|
#include <iostream>
|
|
|
|
#include "http2.h"
|
|
#include "util.h"
|
|
|
|
namespace nghttp2 {
|
|
|
|
namespace asio_http2 {
|
|
|
|
channel::channel() : impl_(util::make_unique<channel_impl>()) {}
|
|
|
|
void channel::post(void_cb cb) { impl_->post(std::move(cb)); }
|
|
|
|
channel_impl &channel::impl() { return *impl_; }
|
|
|
|
channel_impl::channel_impl() : strand_(nullptr) {}
|
|
|
|
void channel_impl::post(void_cb cb) { strand_->post(std::move(cb)); }
|
|
|
|
void channel_impl::strand(boost::asio::io_service::strand *strand) {
|
|
strand_ = strand;
|
|
}
|
|
|
|
namespace server {
|
|
|
|
extern std::shared_ptr<std::string> cached_date;
|
|
|
|
request::request() : impl_(util::make_unique<request_impl>()) {}
|
|
|
|
const std::vector<header> &request::headers() const { return impl_->headers(); }
|
|
|
|
const std::string &request::method() const { return impl_->method(); }
|
|
|
|
const std::string &request::scheme() const { return impl_->scheme(); }
|
|
|
|
const std::string &request::authority() const { return impl_->authority(); }
|
|
|
|
const std::string &request::host() const { return impl_->host(); }
|
|
|
|
const std::string &request::path() const { return impl_->path(); }
|
|
|
|
bool request::push(std::string method, std::string path,
|
|
std::vector<header> headers) {
|
|
return impl_->push(std::move(method), std::move(path), std::move(headers));
|
|
}
|
|
|
|
bool request::pushed() const { return impl_->pushed(); }
|
|
|
|
bool request::closed() const { return impl_->closed(); }
|
|
|
|
void request::on_data(data_cb cb) { return impl_->on_data(std::move(cb)); }
|
|
|
|
void request::on_end(void_cb cb) { return impl_->on_end(std::move(cb)); }
|
|
|
|
bool request::run_task(thread_cb start) {
|
|
return impl_->run_task(std::move(start));
|
|
}
|
|
|
|
request_impl &request::impl() { return *impl_; }
|
|
|
|
response::response() : impl_(util::make_unique<response_impl>()) {}
|
|
|
|
void response::write_head(unsigned int status_code,
|
|
std::vector<header> headers) {
|
|
impl_->write_head(status_code, std::move(headers));
|
|
}
|
|
|
|
void response::end(std::string data) { impl_->end(std::move(data)); }
|
|
|
|
void response::end(read_cb cb) { impl_->end(std::move(cb)); }
|
|
|
|
void response::resume() { impl_->resume(); }
|
|
|
|
unsigned int response::status_code() const { return impl_->status_code(); }
|
|
|
|
bool response::started() const { return impl_->started(); }
|
|
|
|
response_impl &response::impl() { return *impl_; }
|
|
|
|
request_impl::request_impl() : pushed_(false) {}
|
|
|
|
const std::vector<header> &request_impl::headers() const { return headers_; }
|
|
|
|
const std::string &request_impl::method() const { return method_; }
|
|
|
|
const std::string &request_impl::scheme() const { return scheme_; }
|
|
|
|
const std::string &request_impl::authority() const { return authority_; }
|
|
|
|
const std::string &request_impl::host() const { return host_; }
|
|
|
|
const std::string &request_impl::path() const { return path_; }
|
|
|
|
void request_impl::set_header(std::vector<header> headers) {
|
|
headers_ = std::move(headers);
|
|
}
|
|
|
|
void request_impl::add_header(std::string name, std::string value) {
|
|
headers_.push_back(header{std::move(name), std::move(value)});
|
|
}
|
|
|
|
void request_impl::method(std::string arg) { method_ = std::move(arg); }
|
|
|
|
void request_impl::scheme(std::string arg) { scheme_ = std::move(arg); }
|
|
|
|
void request_impl::authority(std::string arg) { authority_ = std::move(arg); }
|
|
|
|
void request_impl::host(std::string arg) { host_ = std::move(arg); }
|
|
|
|
void request_impl::path(std::string arg) { path_ = std::move(arg); }
|
|
|
|
bool request_impl::push(std::string method, std::string path,
|
|
std::vector<header> headers) {
|
|
if (closed()) {
|
|
return false;
|
|
}
|
|
|
|
auto handler = handler_.lock();
|
|
auto stream = stream_.lock();
|
|
auto rv = handler->push_promise(*stream, std::move(method), std::move(path),
|
|
std::move(headers));
|
|
return rv == 0;
|
|
}
|
|
|
|
bool request_impl::pushed() const { return pushed_; }
|
|
|
|
void request_impl::pushed(bool f) { pushed_ = f; }
|
|
|
|
bool request_impl::closed() const {
|
|
return handler_.expired() || stream_.expired();
|
|
}
|
|
|
|
void request_impl::on_data(data_cb cb) { on_data_cb_ = std::move(cb); }
|
|
|
|
void request_impl::on_end(void_cb cb) { on_end_cb_ = std::move(cb); }
|
|
|
|
bool request_impl::run_task(thread_cb start) {
|
|
if (closed()) {
|
|
return false;
|
|
}
|
|
|
|
auto handler = handler_.lock();
|
|
|
|
return handler->run_task(std::move(start));
|
|
}
|
|
|
|
void request_impl::handler(std::weak_ptr<http2_handler> h) {
|
|
handler_ = std::move(h);
|
|
}
|
|
|
|
void request_impl::stream(std::weak_ptr<http2_stream> s) {
|
|
stream_ = std::move(s);
|
|
}
|
|
|
|
void request_impl::call_on_data(const uint8_t *data, std::size_t len) {
|
|
if (on_data_cb_) {
|
|
on_data_cb_(data, len);
|
|
}
|
|
}
|
|
|
|
void request_impl::call_on_end() {
|
|
if (on_end_cb_) {
|
|
on_end_cb_();
|
|
}
|
|
}
|
|
|
|
response_impl::response_impl() : status_code_(200), started_(false) {}
|
|
|
|
unsigned int response_impl::status_code() const { return status_code_; }
|
|
|
|
void response_impl::write_head(unsigned int status_code,
|
|
std::vector<header> headers) {
|
|
status_code_ = status_code;
|
|
headers_ = std::move(headers);
|
|
}
|
|
|
|
void response_impl::end(std::string data) {
|
|
if (started_) {
|
|
return;
|
|
}
|
|
|
|
auto strio = std::make_shared<std::pair<std::string, size_t>>(std::move(data),
|
|
data.size());
|
|
auto read_cb = [strio](uint8_t *buf, size_t len) {
|
|
auto nread = std::min(len, strio->second);
|
|
memcpy(buf, strio->first.c_str(), nread);
|
|
strio->second -= nread;
|
|
if (strio->second == 0) {
|
|
return std::make_pair(nread, true);
|
|
}
|
|
|
|
return std::make_pair(nread, false);
|
|
};
|
|
|
|
end(std::move(read_cb));
|
|
}
|
|
|
|
void response_impl::end(read_cb cb) {
|
|
if (started_ || closed()) {
|
|
return;
|
|
}
|
|
|
|
read_cb_ = std::move(cb);
|
|
started_ = true;
|
|
|
|
auto handler = handler_.lock();
|
|
auto stream = stream_.lock();
|
|
|
|
if (handler->start_response(*stream) != 0) {
|
|
handler->stream_error(stream->get_stream_id(), NGHTTP2_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (!handler->inside_callback()) {
|
|
handler->initiate_write();
|
|
}
|
|
}
|
|
|
|
bool response_impl::closed() const {
|
|
return handler_.expired() || stream_.expired();
|
|
}
|
|
|
|
void response_impl::resume() {
|
|
if (closed()) {
|
|
return;
|
|
}
|
|
|
|
auto handler = handler_.lock();
|
|
auto stream = stream_.lock();
|
|
handler->resume(*stream);
|
|
|
|
if (!handler->inside_callback()) {
|
|
handler->initiate_write();
|
|
}
|
|
}
|
|
|
|
bool response_impl::started() const { return started_; }
|
|
|
|
const std::vector<header> &response_impl::headers() const { return headers_; }
|
|
|
|
void response_impl::handler(std::weak_ptr<http2_handler> h) {
|
|
handler_ = std::move(h);
|
|
}
|
|
|
|
void response_impl::stream(std::weak_ptr<http2_stream> s) {
|
|
stream_ = std::move(s);
|
|
}
|
|
|
|
std::pair<ssize_t, bool> response_impl::call_read(uint8_t *data,
|
|
std::size_t len) {
|
|
if (read_cb_) {
|
|
return read_cb_(data, len);
|
|
}
|
|
|
|
return std::make_pair(0, true);
|
|
}
|
|
|
|
http2_stream::http2_stream(int32_t stream_id)
|
|
: request_(std::make_shared<request>()),
|
|
response_(std::make_shared<response>()), stream_id_(stream_id) {}
|
|
|
|
int32_t http2_stream::get_stream_id() const { return stream_id_; }
|
|
|
|
const std::shared_ptr<request> &http2_stream::get_request() { return request_; }
|
|
|
|
const std::shared_ptr<response> &http2_stream::get_response() {
|
|
return response_;
|
|
}
|
|
|
|
namespace {
|
|
int stream_error(nghttp2_session *session, int32_t stream_id,
|
|
uint32_t error_code) {
|
|
return nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, stream_id,
|
|
error_code);
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_begin_headers_callback(nghttp2_session *session,
|
|
const nghttp2_frame *frame, void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
|
|
if (frame->hd.type != NGHTTP2_HEADERS ||
|
|
frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
|
|
return 0;
|
|
}
|
|
|
|
handler->create_stream(frame->hd.stream_id);
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame,
|
|
const uint8_t *name, size_t namelen,
|
|
const uint8_t *value, size_t valuelen, uint8_t flags,
|
|
void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
auto stream_id = frame->hd.stream_id;
|
|
|
|
if (frame->hd.type != NGHTTP2_HEADERS ||
|
|
frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
|
|
return 0;
|
|
}
|
|
|
|
auto stream = handler->find_stream(stream_id);
|
|
if (!stream) {
|
|
return 0;
|
|
}
|
|
|
|
if (!nghttp2_check_header_name(name, namelen) ||
|
|
!nghttp2_check_header_value(value, valuelen)) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
|
|
auto &req = stream->get_request()->impl();
|
|
|
|
if (name[0] == ':' && !req.headers().empty()) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
|
|
if (util::streq(":method", name, namelen)) {
|
|
if (!req.method().empty()) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
req.method(std::string(value, value + valuelen));
|
|
} else if (util::streq(":scheme", name, namelen)) {
|
|
if (!req.scheme().empty()) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
req.scheme(std::string(value, value + valuelen));
|
|
} else if (util::streq(":authority", name, namelen)) {
|
|
if (!req.authority().empty()) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
req.authority(std::string(value, value + valuelen));
|
|
} else if (util::streq(":path", name, namelen)) {
|
|
if (!req.path().empty()) {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
req.path(std::string(value, value + valuelen));
|
|
} else {
|
|
if (name[0] == ':') {
|
|
stream_error(session, stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
|
|
if (util::streq("host", name, namelen)) {
|
|
req.host(std::string(value, value + valuelen));
|
|
}
|
|
|
|
req.add_header(std::string(name, name + namelen),
|
|
std::string(value, value + valuelen));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_frame_recv_callback(nghttp2_session *session, const nghttp2_frame *frame,
|
|
void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
auto stream = handler->find_stream(frame->hd.stream_id);
|
|
|
|
switch (frame->hd.type) {
|
|
case NGHTTP2_DATA:
|
|
if (!stream) {
|
|
break;
|
|
}
|
|
|
|
if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
|
|
stream->get_request()->impl().call_on_end();
|
|
}
|
|
|
|
break;
|
|
case NGHTTP2_HEADERS: {
|
|
if (!stream || frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
|
|
break;
|
|
}
|
|
|
|
auto &req = stream->get_request()->impl();
|
|
|
|
if (req.method().empty() || req.scheme().empty() || req.path().empty() ||
|
|
(req.authority().empty() && req.host().empty())) {
|
|
stream_error(session, frame->hd.stream_id, NGHTTP2_PROTOCOL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
if (req.host().empty()) {
|
|
req.host(req.authority());
|
|
}
|
|
|
|
handler->call_on_request(*stream);
|
|
|
|
if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
|
|
stream->get_request()->impl().call_on_end();
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
|
|
int32_t stream_id, const uint8_t *data,
|
|
size_t len, void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
auto stream = handler->find_stream(stream_id);
|
|
|
|
if (!stream) {
|
|
return 0;
|
|
}
|
|
|
|
stream->get_request()->impl().call_on_data(data, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
|
|
uint32_t error_code, void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
|
|
handler->close_stream(stream_id);
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame,
|
|
void *user_data) {
|
|
auto handler = static_cast<http2_handler *>(user_data);
|
|
|
|
if (frame->hd.type != NGHTTP2_PUSH_PROMISE) {
|
|
return 0;
|
|
}
|
|
|
|
auto stream = handler->find_stream(frame->push_promise.promised_stream_id);
|
|
|
|
if (!stream) {
|
|
return 0;
|
|
}
|
|
|
|
handler->call_on_request(*stream);
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
namespace {
|
|
int on_frame_not_send_callback(nghttp2_session *session,
|
|
const nghttp2_frame *frame, int lib_error_code,
|
|
void *user_data) {
|
|
if (frame->hd.type != NGHTTP2_HEADERS) {
|
|
return 0;
|
|
}
|
|
|
|
// Issue RST_STREAM so that stream does not hang around.
|
|
nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, frame->hd.stream_id,
|
|
NGHTTP2_INTERNAL_ERROR);
|
|
|
|
return 0;
|
|
}
|
|
} // namespace
|
|
|
|
http2_handler::http2_handler(boost::asio::io_service &io_service,
|
|
boost::asio::io_service &task_io_service_,
|
|
connection_write writefun, request_cb cb)
|
|
: writefun_(writefun), request_cb_(std::move(cb)), io_service_(io_service),
|
|
task_io_service_(task_io_service_),
|
|
strand_(std::make_shared<boost::asio::io_service::strand>(io_service_)),
|
|
session_(nullptr), buf_(nullptr), buflen_(0), inside_callback_(false) {}
|
|
|
|
http2_handler::~http2_handler() { nghttp2_session_del(session_); }
|
|
|
|
int http2_handler::start() {
|
|
int rv;
|
|
|
|
nghttp2_session_callbacks *callbacks;
|
|
rv = nghttp2_session_callbacks_new(&callbacks);
|
|
if (rv != 0) {
|
|
return -1;
|
|
}
|
|
|
|
auto cb_del = util::defer(callbacks, nghttp2_session_callbacks_del);
|
|
|
|
nghttp2_session_callbacks_set_on_begin_headers_callback(
|
|
callbacks, on_begin_headers_callback);
|
|
nghttp2_session_callbacks_set_on_header_callback(callbacks,
|
|
on_header_callback);
|
|
nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
|
|
on_frame_recv_callback);
|
|
nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
|
|
callbacks, on_data_chunk_recv_callback);
|
|
nghttp2_session_callbacks_set_on_stream_close_callback(
|
|
callbacks, on_stream_close_callback);
|
|
nghttp2_session_callbacks_set_on_frame_send_callback(callbacks,
|
|
on_frame_send_callback);
|
|
nghttp2_session_callbacks_set_on_frame_not_send_callback(
|
|
callbacks, on_frame_not_send_callback);
|
|
|
|
nghttp2_option *option;
|
|
rv = nghttp2_option_new(&option);
|
|
if (rv != 0) {
|
|
return -1;
|
|
}
|
|
|
|
auto opt_del = util::defer(option, nghttp2_option_del);
|
|
|
|
nghttp2_option_set_recv_client_preface(option, 1);
|
|
|
|
rv = nghttp2_session_server_new2(&session_, callbacks, this, option);
|
|
if (rv != 0) {
|
|
return -1;
|
|
}
|
|
|
|
nghttp2_settings_entry ent{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100};
|
|
nghttp2_submit_settings(session_, NGHTTP2_FLAG_NONE, &ent, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
std::shared_ptr<http2_stream> http2_handler::create_stream(int32_t stream_id) {
|
|
auto stream = std::make_shared<http2_stream>(stream_id);
|
|
streams_.emplace(stream_id, stream);
|
|
|
|
auto self = shared_from_this();
|
|
auto &req = stream->get_request()->impl();
|
|
auto &res = stream->get_response()->impl();
|
|
req.handler(self);
|
|
req.stream(stream);
|
|
res.handler(self);
|
|
res.stream(stream);
|
|
|
|
return stream;
|
|
}
|
|
|
|
void http2_handler::close_stream(int32_t stream_id) {
|
|
streams_.erase(stream_id);
|
|
}
|
|
|
|
std::shared_ptr<http2_stream> http2_handler::find_stream(int32_t stream_id) {
|
|
auto i = streams_.find(stream_id);
|
|
if (i == std::end(streams_)) {
|
|
return nullptr;
|
|
}
|
|
|
|
return (*i).second;
|
|
}
|
|
|
|
void http2_handler::call_on_request(http2_stream &stream) {
|
|
request_cb_(stream.get_request(), stream.get_response());
|
|
}
|
|
|
|
bool http2_handler::should_stop() const {
|
|
return !nghttp2_session_want_read(session_) &&
|
|
!nghttp2_session_want_write(session_);
|
|
}
|
|
|
|
int http2_handler::start_response(http2_stream &stream) {
|
|
int rv;
|
|
|
|
auto &res = stream.get_response()->impl();
|
|
auto &headers = res.headers();
|
|
auto nva = std::vector<nghttp2_nv>();
|
|
nva.reserve(2 + headers.size());
|
|
auto status = util::utos(res.status_code());
|
|
auto date = cached_date;
|
|
nva.push_back(nghttp2::http2::make_nv_ls(":status", status));
|
|
nva.push_back(nghttp2::http2::make_nv_ls("date", *date));
|
|
for (auto &hd : headers) {
|
|
nva.push_back(nghttp2::http2::make_nv(hd.name, hd.value));
|
|
}
|
|
|
|
nghttp2_data_provider prd;
|
|
prd.source.ptr = &stream;
|
|
prd.read_callback =
|
|
[](nghttp2_session *session, int32_t stream_id, uint8_t *buf,
|
|
size_t length, uint32_t *data_flags, nghttp2_data_source *source,
|
|
void *user_data) -> ssize_t {
|
|
auto &stream = *static_cast<http2_stream *>(source->ptr);
|
|
auto rv = stream.get_response()->impl().call_read(buf, length);
|
|
if (rv.first < 0) {
|
|
return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
|
|
}
|
|
|
|
if (rv.second) {
|
|
*data_flags |= NGHTTP2_DATA_FLAG_EOF;
|
|
} else if (rv.first == 0) {
|
|
return NGHTTP2_ERR_DEFERRED;
|
|
}
|
|
|
|
return rv.first;
|
|
};
|
|
|
|
rv = nghttp2_submit_response(session_, stream.get_stream_id(), nva.data(),
|
|
nva.size(), &prd);
|
|
|
|
if (rv != 0) {
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void http2_handler::enter_callback() {
|
|
assert(!inside_callback_);
|
|
inside_callback_ = true;
|
|
}
|
|
|
|
void http2_handler::leave_callback() {
|
|
assert(inside_callback_);
|
|
inside_callback_ = false;
|
|
}
|
|
|
|
bool http2_handler::inside_callback() const { return inside_callback_; }
|
|
|
|
void http2_handler::stream_error(int32_t stream_id, uint32_t error_code) {
|
|
::nghttp2::asio_http2::server::stream_error(session_, stream_id, error_code);
|
|
}
|
|
|
|
void http2_handler::initiate_write() { writefun_(); }
|
|
|
|
void http2_handler::resume(http2_stream &stream) {
|
|
nghttp2_session_resume_data(session_, stream.get_stream_id());
|
|
}
|
|
|
|
int http2_handler::push_promise(http2_stream &stream, std::string method,
|
|
std::string path, std::vector<header> headers) {
|
|
int rv;
|
|
|
|
auto &req = stream.get_request()->impl();
|
|
|
|
auto nva = std::vector<nghttp2_nv>();
|
|
nva.reserve(5 + headers.size());
|
|
nva.push_back(nghttp2::http2::make_nv_ls(":method", method));
|
|
nva.push_back(nghttp2::http2::make_nv_ls(":scheme", req.scheme()));
|
|
if (!req.authority().empty()) {
|
|
nva.push_back(nghttp2::http2::make_nv_ls(":authority", req.authority()));
|
|
}
|
|
nva.push_back(nghttp2::http2::make_nv_ls(":path", path));
|
|
if (!req.host().empty()) {
|
|
nva.push_back(nghttp2::http2::make_nv_ls("host", req.host()));
|
|
}
|
|
|
|
for (auto &hd : headers) {
|
|
nva.push_back(nghttp2::http2::make_nv(hd.name, hd.value));
|
|
}
|
|
|
|
rv = nghttp2_submit_push_promise(session_, NGHTTP2_FLAG_NONE,
|
|
stream.get_stream_id(), nva.data(),
|
|
nva.size(), nullptr);
|
|
|
|
if (rv < 0) {
|
|
return -1;
|
|
}
|
|
|
|
auto promised_stream = create_stream(rv);
|
|
auto &promised_req = promised_stream->get_request()->impl();
|
|
promised_req.pushed(true);
|
|
promised_req.method(std::move(method));
|
|
promised_req.scheme(req.scheme());
|
|
promised_req.authority(req.authority());
|
|
promised_req.path(std::move(path));
|
|
promised_req.host(req.host());
|
|
promised_req.set_header(std::move(headers));
|
|
if (!req.host().empty()) {
|
|
promised_req.add_header("host", req.host());
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool http2_handler::run_task(thread_cb start) {
|
|
auto strand = strand_;
|
|
|
|
try {
|
|
task_io_service_.post([start, strand]() {
|
|
channel chan;
|
|
chan.impl().strand(strand.get());
|
|
|
|
start(chan);
|
|
});
|
|
|
|
return true;
|
|
} catch (std::exception &ex) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
boost::asio::io_service &http2_handler::io_service() { return io_service_; }
|
|
|
|
callback_guard::callback_guard(http2_handler &h) : handler(h) {
|
|
handler.enter_callback();
|
|
}
|
|
|
|
callback_guard::~callback_guard() { handler.leave_callback(); }
|
|
|
|
} // namespace server
|
|
|
|
} // namespace asio_http2
|
|
|
|
} // namespace nghttp2
|