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cluster/zeromq: Catch exceptions as const zmq::error_t&

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This commit is contained in:
Arne Welzel 2025-03-04 15:24:08 +01:00
parent 8a1abfa8ef
commit b82dcfafa4
1 changed files with 3 additions and 3 deletions
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6
src/cluster/backend/zeromq/ZeroMQ.cc
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@ -274,7 +274,7 @@ bool ZeroMQBackend::DoPublishEvent(const std::string& topic, const std::string&
// and how this can happen :-/
try {
main_inproc.send(parts[i], flags);
} catch ( zmq::error_t& err ) {
} catch ( const zmq::error_t& err ) {
// If send() was interrupted and Zeek caught an interrupt or term signal,
// fail the publish as we're about to shutdown. There's nothing the user
// can do, but it indicates an overload situation as send() was blocking.
@ -299,7 +299,7 @@ bool ZeroMQBackend::DoSubscribe(const std::string& topic_prefix, SubscribeCallba
// This is the XSUB API instead of setsockopt(ZMQ_SUBSCRIBE).
std::string msg = "\x01" + topic_prefix;
main_inproc.send(zmq::const_buffer(msg.data(), msg.size()));
} catch ( zmq::error_t& err ) {
} catch ( const zmq::error_t& err ) {
zeek::reporter->Error("Failed to subscribe to topic %s: %s", topic_prefix.c_str(), err.what());
if ( cb )
cb(topic_prefix, {CallbackStatus::Error, err.what()});
@ -321,7 +321,7 @@ bool ZeroMQBackend::DoUnsubscribe(const std::string& topic_prefix) {
// This is the XSUB API instead of setsockopt(ZMQ_SUBSCRIBE).
std::string msg = '\0' + topic_prefix;
main_inproc.send(zmq::const_buffer(msg.data(), msg.size()));
} catch ( zmq::error_t& err ) {
} catch ( const zmq::error_t& err ) {
zeek::reporter->Error("Failed to unsubscribe from topic %s: %s", topic_prefix.c_str(), err.what());
return false;
}