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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "message.h"
#include "reply.h"
#include "ireplyhandler.h"
#include "emptyreply.h"
#include "errorcode.h"
#include "error.h"
#include <vespa/vespalib/util/backtrace.h>
#include <vespa/log/log.h>
LOG_SETUP(".message");
namespace mbus {
Message::Message() :
_route(),
_timeReceived(),
_timeRemaining(0),
_retryEnabled(true),
_retry(0)
{
// By observation there are normally 2 handlers pushed.
getCallStack().reserve(2);
}
Message::~Message()
{
if (getCallStack().size() > 0) {
string backtrace = vespalib::getStackTrace(0);
LOG(warning, "Deleted message %p with non-empty call-stack. Deleted at:\n%s",
this, backtrace.c_str());
auto reply = std::make_unique<EmptyReply>();
swapState(*reply);
reply->addError(Error(ErrorCode::TRANSIENT_ERROR,
"The message object was deleted while containing state information; "
"generating an auto-reply."));
IReplyHandler &handler = reply->getCallStack().pop(*reply);
handler.handleReply(std::move(reply));
}
}
void
Message::swapState(Routable &rhs)
{
Routable::swapState(rhs);
if (!rhs.isReply()) {
Message &msg = static_cast<Message&>(rhs);
std::swap(_route, msg._route);
std::swap(_retryEnabled, msg._retryEnabled);
std::swap(_retry, msg._retry);
std::swap(_timeReceived, msg._timeReceived);
std::swap(_timeRemaining, msg._timeRemaining);
}
}
Message &
Message::setTimeReceivedNow()
{
_timeReceived = vespalib::steady_clock::now();
return *this;
}
duration
Message::getTimeRemainingNow() const
{
return std::max(0ns, _timeRemaining - (vespalib::steady_clock::now() - _timeReceived));
}
} // namespace mbus
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