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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/app.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 : public FastOS_Application
{
private:
FRT_Supervisor *_supervisor;
FRT_Target *_target;
Slobrok_Checker(const Slobrok_Checker &);
Slobrok_Checker &operator=(const Slobrok_Checker &);
public:
Slobrok_Checker() : _supervisor(NULL), _target(NULL) {}
virtual ~Slobrok_Checker();
int usage();
void initRPC(const char *spec);
void finiRPC();
int Main() override;
};
Slobrok_Checker::~Slobrok_Checker()
{
LOG_ASSERT(_supervisor == NULL);
LOG_ASSERT(_target == NULL);
}
int
Slobrok_Checker::usage()
{
fprintf(stderr, "usage: %s <port>\n", _argv[0]);
return 1;
}
void
Slobrok_Checker::initRPC(const char *spec)
{
_supervisor = new FRT_Supervisor();
_target = _supervisor->GetTarget(spec);
_supervisor->Start();
}
void
Slobrok_Checker::finiRPC()
{
if (_target != NULL) {
_target->SubRef();
_target = NULL;
}
if (_supervisor != NULL) {
_supervisor->ShutDown(true);
delete _supervisor;
_supervisor = NULL;
}
}
int
Slobrok_Checker::Main()
{
if (_argc != 2) {
return usage();
}
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 = _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)
{
Slobrok_Checker sb_checker;
return sb_checker.Entry(argc, argv);
}
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