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expresscpp/src/response.cpp at master · expresscpp/expresscpp · GitHub
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#
include
"
expresscpp/response.hpp
"
#
include
"
boost/uuid/uuid_generators.hpp
"
#
include
"
boost/uuid/uuid_io.hpp
"
#
include
"
expresscpp/console.hpp
"
#
include
"
expresscpp/impl/session.hpp
"
namespace
expresscpp
{
Response::Response
(Session* session) : session_(session) {
//
not asserting here as we want to pass nullptr to be able to use the response without beast for testing
//
assert(session_ != nullptr);
uuid_ =
boost::uuids::random_generator
()();
Console::Debug
(
fmt::format
(
"
Response created
\"
{}
\"
"
,
boostUUIDToString
(uuid_)));
}
void
Response::SetStatus
(
const
uint16_t
status) {
costum_status_code_ =
true
;
status_ = status;
res.
result
(status);
}
void
Response::KeepAlive
(
bool
alive) {
res.
keep_alive
(alive);
}
void
Response::Send
() {
res.
prepare_payload
();
SendInternal
();
}
void
Response::Send
(std::string message) {
//
res.set(boost::beast::http::field::server, BOOST_BEAST_VERSION_STRING);
if
(!costum_status_code_) res.
result
(boost::beast::http::status::ok);
if
(res[
"
Content-Type
"
].
empty
()) {
res.
set
(boost::beast::http::field::content_type,
"
text/html
"
);
}
res.
body
() =
std::string
(message);
res.
prepare_payload
();
SendInternal
();
}
void
Response::Json
(std::string_view json_string) {
if
(!costum_status_code_) res.
result
(boost::beast::http::status::ok);
res.
set
(boost::beast::http::field::server,
BOOST_BEAST_VERSION_STRING
);
res.
set
(boost::beast::http::field::content_type,
"
application/json
"
);
res.
body
() =
std::string
(json_string);
res.
prepare_payload
();
SendInternal
();
}
bool
Response::ResponseSent
()
const
{
return
response_sent_;
}
void
Response::SendInternal
() {
if
(response_sent_) {
Console::Error
(
"
ERROR: response already sent
"
);
return
;
}
response_sent_ =
true
;
//
The lifetime of the message has to extend
//
for the duration of the async operation so
//
we use a shared_ptr to manage it.
auto
sp =
std::make_shared<boost::beast::http::message<
false
, boost::beast::http::string_body, boost::beast::http::fields>>(
std::move
(res));
if
(session_ ==
nullptr
) {
throw
std::runtime_error
(
"
session not valid
"
);
}
//
Store a type-erased version of the shared
//
pointer in the class to keep it alive.
session_->
res_
= sp;
//
Write the response
boost::beast::http::async_write
(session_->
socket_
, *sp,
std::bind
(&Session::on_write, session_->
shared_from_this
(), sp->
need_eof
(),
std::placeholders::_1, std::placeholders::_2));
}
}
//
namespace expresscpp
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