RetroShare/jsonapi-generator/src/async-method-wrapper-template.cpp.tmpl
Gioacchino Mazzurco 2d7b855983
More fixes in JSON API
Schedule delayed async session closing properly (without recurrence)
Fix double capture of this in async method registering, that was causing
  compilation error for Android
Fix minor compiler warning in jsonapi-generator
2019-08-29 01:24:51 +02:00

78 lines
3.0 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 as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* 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::Session> weakSession(session);
$%callbackName%$ = [this, weakSession]($%callbackParams%$)
{
auto session = weakSession.lock();
if(!session || session->is_closed()) return;
$%callbackParamsSerialization%$
std::stringstream sStream;
sStream << "data: " << compactJSON << ctx.mJson << "\n\n";
const std::string message = sStream.str();
mService.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());
$%sessionDelayedClose%$
} );
}, $%requiresAuth%$ );