Files
falco/userspace/falco/grpc_server_impl.cpp
2019-09-25 16:43:32 +03:00

59 lines
1.4 KiB
C++

/*
Copyright (C) 2016-2019 The Falco Authors
This file is part of falco.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "grpc_server_impl.h"
bool falco_grpc_server_impl::is_running()
{
if(m_stop)
{
return false;
}
return true;
}
void falco_grpc_server_impl::subscribe(const stream_context& ctx, const request& req, response& res)
{
if(ctx.m_status == stream_context::SUCCESS || ctx.m_status == stream_context::ERROR)
{
// todo > logic
ctx.m_stream = nullptr;
}
else
{
// Start (or continue) streaming
// ctx.m_status == stream_context::STREAMING
if(falco_output_queue::get().try_pop(res) && !req.keepalive())
{
ctx.m_has_more = true;
return;
}
while(is_running() && !falco_output_queue::get().try_pop(res) && req.keepalive())
{
}
ctx.m_has_more = !is_running() ? false : req.keepalive();
}
}
void falco_grpc_server_impl::shutdown()
{
m_stop = true;
}