RetroShare/jsonapi-generator/src/async-method-wrapper-template.cpp.tmpl
Gioacchino Mazzurco 1d4ca64dee
Prepare for merging
2019-11-27 18:44:10 +01:00

81 lines
3.1 KiB
Cheetah

/*******************************************************************************
* RetroShare JSON API *
* *
* Copyright (C) 2018-2019 Gioacchino Mazzurco <gio@eigenlab.org> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License version 3 as *
* published by the Free Software Foundation. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
registerHandler( "$%apiPath%$",
[this](const std::shared_ptr<rb::Session> session)
{
const std::multimap<std::string, std::string> headers
{
{ "Connection", "keep-alive" },
{ "Content-Type", "text/event-stream" }
};
session->yield(rb::OK, headers);
size_t reqSize = session->get_request()->get_header("Content-Length", 0);
session->fetch( reqSize, [this](
const std::shared_ptr<rb::Session> session,
const rb::Bytes& body )
{
INITIALIZE_API_CALL_JSON_CONTEXT;
if( !checkRsServicePtrReady(
$%instanceName%$, "$%instanceName%$", cAns, session ) )
return;
$%paramsDeclaration%$
$%inputParamsDeserialization%$
const std::weak_ptr<rb::Service> weakService(mService);
const std::weak_ptr<rb::Session> weakSession(session);
$%callbackName%$ = [this, weakService, weakSession]($%callbackParams%$)
{
auto session = weakSession.lock();
if(!session || session->is_closed()) return;
auto lService = weakService.lock();
if(!lService || lService->is_down()) return;
$%callbackParamsSerialization%$
std::stringstream sStream;
sStream << "data: " << compactJSON << ctx.mJson << "\n\n";
const std::string message = sStream.str();
lService->schedule( [weakSession, message]()
{
auto session = weakSession.lock();
if(!session || session->is_closed()) return;
session->yield(message);
$%sessionEarlyClose%$
} );
};
$%functionCall%$
$%outputParamsSerialization%$
// return them to the API caller
std::stringstream message;
message << "data: " << compactJSON << cAns.mJson << "\n\n";
session->yield(message.str());
$%sessionDelayedClose%$
} );
}, $%requiresAuth%$ );