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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/messagebus/messagebus.h>
#include <vespa/messagebus/testlib/simpleprotocol.h>
#include <vespa/messagebus/rpcmessagebus.h>
#include <vespa/messagebus/network/rpcnetworkparams.h>
#include <vespa/messagebus/emptyreply.h>
#include <vespa/vespalib/util/time.h>
#include <thread>
#include <vespa/vespalib/util/signalhandler.h>
using namespace mbus;
class Server : public IMessageHandler,
public IReplyHandler
{
private:
IntermediateSession::UP _session;
std::string _name;
public:
Server(MessageBus &bus, const std::string &name);
~Server();
void handleMessage(Message::UP msg) override;
void handleReply(Reply::UP reply) override;
};
Server::Server(MessageBus &bus, const std::string &name)
: _session(bus.createIntermediateSession("session", true, *this, *this)),
_name(name)
{
fprintf(stderr, "cpp server started: %s\n", _name.c_str());
}
Server::~Server()
{
_session.reset();
}
void
Server::handleMessage(Message::UP msg) {
msg->getTrace().trace(1, _name + " (message)", false);
if (!msg->getRoute().hasHops()) {
fprintf(stderr, "**** Server '%s' replying.\n", _name.c_str());
auto reply = std::make_unique<EmptyReply>();
msg->swapState(*reply);
handleReply(std::move(reply));
} else {
fprintf(stderr, "**** Server '%s' forwarding message.\n", _name.c_str());
_session->forward(std::move(msg));
}
}
void
Server::handleReply(Reply::UP reply) {
reply->getTrace().trace(1, _name + " (reply)", false);
_session->forward(std::move(reply));
}
class App
{
public:
int main(int argc, char **argv);
};
int
App::main(int argc, char **argv)
{
if (argc != 2) {
fprintf(stderr, "usage: %s <service-prefix>\n", argv[0]);
return 1;
}
RPCMessageBus mb(ProtocolSet().add(std::make_shared<SimpleProtocol>()),
RPCNetworkParams(config::ConfigUri("file:slobrok.cfg"))
.setIdentity(Identity(argv[1])),
config::ConfigUri("file:routing.cfg"));
Server server(mb.getMessageBus(), argv[1]);
while (true) {
std::this_thread::sleep_for(1s);
}
return 0;
}
int main(int argc, char **argv) {
vespalib::SignalHandler::PIPE.ignore();
App app;
return app.main(argc, argv);
}
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