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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/util/signalhandler.h>
#include <vespa/fnet/frt/supervisor.h>
#include <vespa/fnet/frt/target.h>
#include <vespa/fnet/frt/rpcrequest.h>
#include <sstream>
#include <vespa/log/log.h>
LOG_SETUP("check_slobrok");
class Slobrok_Checker
{
private:
std::unique_ptr<fnet::frt::StandaloneFRT> _server;
FRT_Target *_target;
Slobrok_Checker(const Slobrok_Checker &);
Slobrok_Checker &operator=(const Slobrok_Checker &);
public:
Slobrok_Checker() : _server(), _target(nullptr) {}
~Slobrok_Checker();
int usage(const char *self);
void initRPC(const char *spec);
void finiRPC();
int main(int argc, char **argv);
};
Slobrok_Checker::~Slobrok_Checker()
{
LOG_ASSERT( !_server);
LOG_ASSERT(_target == nullptr);
}
int
Slobrok_Checker::usage(const char *self)
{
fprintf(stderr, "usage: %s <port>\n", self);
return 1;
}
void
Slobrok_Checker::initRPC(const char *spec)
{
_server = std::make_unique<fnet::frt::StandaloneFRT>();
_target = _server->supervisor().GetTarget(spec);
}
void
Slobrok_Checker::finiRPC()
{
if (_target != nullptr) {
_target->internal_subref();
_target = nullptr;
}
if (_server) {
_server.reset();
}
}
int
Slobrok_Checker::main(int argc, char **argv)
{
if (argc != 2) {
return usage(argv[0]);
}
int port = atoi(argv[1]);
if (port == 0) {
initRPC(argv[1]);
} else {
std::ostringstream tmp;
tmp << "tcp/localhost:";
tmp << port;
initRPC(tmp.str().c_str());
}
FRT_RPCRequest *req = _server->supervisor().AllocRPCRequest();
req->SetMethodName("slobrok.system.version");
_target->InvokeSync(req, 5.0);
int failed = 0;
if (req->IsError()) {
printf("vespa_slobrok %d: %s\n",
req->GetErrorCode(), req->GetErrorMessage());
failed = 1;
} else {
FRT_Values &answer = *(req->GetReturn());
const char *atypes = answer.GetTypeString();
if (strcmp(atypes, "s") == 0) {
printf("vespa_slobrok-%s OK\n", answer[0]._string._str);
} else {
printf("vespa_slobrok bad rpc return type %s\n", atypes);
failed = 1;
}
}
finiRPC();
return failed;
}
int main(int argc, char **argv) {
vespalib::SignalHandler::PIPE.ignore();
Slobrok_Checker sb_checker;
return sb_checker.main(argc, argv);
}
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