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cluster/zeromq: Short-circuit DoPublishLogWrite() when not initialized

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After moving the log_push initialization from the constructor to the
DoInit() method, it's now possible that DoPublishLogWrites() is invoked
even if DoInit() was never called. Handle this by short-circuiting. This
is sort of an error, but can happen during tests if scripts are loaded
somewhat arbitrarily.
This commit is contained in:
Arne Welzel 2025-06-20 15:22:25 +02:00
parent 89c0b0faf3
commit 1afd497c0c
1 changed files with 8 additions and 1 deletions
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9
src/cluster/backend/zeromq/ZeroMQ.cc
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@ -373,7 +373,6 @@ bool ZeroMQBackend::DoUnsubscribe(const std::string& topic_prefix) {
bool ZeroMQBackend::DoPublishLogWrites(const logging::detail::LogWriteHeader& header, const std::string& format,
byte_buffer& buf) {
ZEROMQ_DEBUG("Publishing %zu bytes of log writes (path %s)", buf.size(), header.path.c_str());
static std::string message_type = "log-write";
// Publishing a log write is done using 4 parts
@ -389,6 +388,14 @@ bool ZeroMQBackend::DoPublishLogWrites(const logging::detail::LogWriteHeader& he
zmq::const_buffer{buf.data(), buf.size()},
};
// If the log_push socket isn't yet initialized or has been closed, just return.
if ( ! log_push ) {
ZEROMQ_DEBUG("Skipping log write - log_push socket not open");
return false;
}
ZEROMQ_DEBUG("Publishing %zu bytes of log writes (path %s)", buf.size(), header.path.c_str());
for ( size_t i = 0; i < parts.size(); i++ ) {
zmq::send_flags flags = zmq::send_flags::dontwait;
if ( i < parts.size() - 1 )