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#include "XRpcServertTransport.h"
#include "thrift/transport/TServerSocket.h"
#include "thrift/server/TThreadedServer.h"
#include "thrift/protocol/TCompactProtocol.h"
#include "thrift/transport/TBufferTransports.h"
#include "thrift/transport/TSocket.h"
#ifndef SPDLOG_ACTIVE_LEVEL
#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_TRACE
#endif
#include "spdlog/spdlog.h"
using namespace std;
using namespace vagt::transport;
using namespace vagt::transport::rpc;
using namespace apache::thrift;
using namespace apache::thrift::protocol;
using namespace apache::thrift::transport;
using namespace apache::thrift::server;
constexpr auto XRpcServerIdleTime = 60 * 60 * 1000;
class XRpcTransportImp:public XRpcTransportIf
{
public:
XRpcTransportImp(XTransport* transport):transport_(transport)
{
}
virtual int16_t post(const std::string & data) override
{
if (transport_)
{
return transport_->post(data);
}
}
private:
XTransport* transport_;
};
class XRpcTransportFactory : public XRpcTransportIfFactory
{
public:
XRpcTransportFactory(XTransport* transport):transport_(transport)
{
}
XRpcTransportIf* getHandler(const ::apache::thrift::TConnectionInfo& connInfo)
{
shared_ptr<TSocket> sock = dynamic_pointer_cast<TSocket>(connInfo.transport);
if (sock)
{
auto pt = new XRpcTransportImp(transport_);
SPDLOG_INFO("New RPC client connection from:({}:{}), handler:({:x}).", sock->getPeerAddress(), sock->getPeerPort(), (unsigned long)pt);
return pt;
}
return nullptr;
}
void releaseHandler(XRpcTransportIf* handler)
{
SPDLOG_INFO("Clean RPC client handler:({:x}).", (unsigned long)handler);
if (handler)
{
delete handler;
handler = nullptr;
}
}
private:
XTransport* transport_;
};
vagt::transport::XRpcServerTransport::XRpcServerTransport(std::shared_ptr<XTransport> transport, const XTransportOption & option):
transport_(transport),
option_(option)
{
}
vagt::transport::XRpcServerTransport::~XRpcServerTransport()
{
}
XErrorCode vagt::transport::XRpcServerTransport::start()
{
if (!transport_)
{
SPDLOG_ERROR("Empty transport.");
return XErrorNok;
}
transport_->start();
startRPC();
allowPost();
return XErrorOk;
}
XErrorCode vagt::transport::XRpcServerTransport::stop()
{
cancelPost();
if (!transport_)
{
SPDLOG_ERROR("Empty transport.");
return XErrorNok;
}
stopRPC();
future_.get();
return transport_->stop();
}
XErrorCode vagt::transport::XRpcServerTransport::post(const std::string & event)
{
if (shouldCancelPost())
{
return XErrorCanceled;
}
if (event.empty())
{
SPDLOG_WARN("Trying post empty event.");
return XErrorClientError;
}
if (!transport_)
{
SPDLOG_ERROR("Empty transport.");
return XErrorNok;
}
return transport_->post(event);
}
void vagt::transport::XRpcServerTransport::cancelPost()
{
XTransport::cancelPost();
if (transport_)
{
transport_->cancelPost();
}
}
void vagt::transport::XRpcServerTransport::allowPost()
{
if (transport_)
{
transport_->allowPost();
}
XTransport::allowPost();
}
bool vagt::transport::XRpcServerTransport::shouldCancelPost()
{
return XTransport::shouldCancelPost();
}
XErrorCode vagt::transport::XRpcServerTransport::startRPC()
{
future_ = std::async(launch::async, [this]() {return this->worker(); });
return XErrorOk;
}
XErrorCode vagt::transport::XRpcServerTransport::stopRPC()
{
if (rpcServer_)
{
rpcServer_->stop();
}
return XErrorOk;
}
void vagt::transport::XRpcServerTransport::worker()
{
string source("0.0.0.0");
if (!option_.sourceIp_.empty())
{
source = option_.sourceIp_;
}
int port = 5678;
if (option_.port_ > 1024)
{
port = option_.port_;
}
SPDLOG_INFO("Start RPC transport thread:({}:{}).", source, port);
auto serverSocket = make_shared<TServerSocket>(source, port);
serverSocket->setRecvTimeout(XRpcServerIdleTime);
rpcServer_ = make_shared<TThreadedServer>(
make_shared<XRpcTransportProcessorFactory>(make_shared<XRpcTransportFactory>(this)),
serverSocket,
make_shared<TBufferedTransportFactory>(),
make_shared<TCompactProtocolFactory>());
while (!shouldCancelPost())
{
try
{
rpcServer_->serve();
}
catch (apache::thrift::TException ex)
{
SPDLOG_ERROR("{}", ex.what());
this_thread::sleep_for(chrono::seconds(1));
continue;
}
catch (...)
{
SPDLOG_ERROR("Unknown Exception in thrift.");
this_thread::sleep_for(chrono::seconds(1));
continue;
}
}
SPDLOG_INFO("Quit RPC transport thread.");
}
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