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cluster/zeromq: Comments and move lookups to InitPostScript()

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This commit is contained in:
Arne Welzel 2025-07-21 14:14:11 +02:00
parent 85d5dda028
commit 5de9296c77
2 changed files with 26 additions and 20 deletions
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39
src/cluster/backend/zeromq/ZeroMQ.cc
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@ -124,6 +124,14 @@ void ZeroMQBackend::DoInitPostScript() {
xpub_sndbuf = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::xpub_sndbuf")->AsInt());
xsub_rcvhwm = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::xsub_rcvhwm")->AsInt());
xsub_rcvbuf = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::xsub_rcvbuf")->AsInt());
// log push/pull socket configuration
log_immediate =
static_cast<int>(zeek::id::find_val<zeek::BoolVal>("Cluster::Backend::ZeroMQ::log_immediate")->AsBool());
log_sndhwm = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_sndhwm")->AsInt());
log_sndbuf = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_sndbuf")->AsInt());
log_rcvhwm = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_rcvhwm")->AsInt());
log_rcvbuf = static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_rcvbuf")->AsInt());
}
void ZeroMQBackend::DoTerminate() {
@ -206,22 +214,6 @@ bool ZeroMQBackend::DoInit() {
return false;
}
auto log_immediate =
static_cast<int>(zeek::id::find_val<zeek::BoolVal>("Cluster::Backend::ZeroMQ::log_immediate")->AsBool());
auto log_sndhwm =
static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_sndhwm")->AsInt());
auto log_sndbuf =
static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_sndbuf")->AsInt());
auto log_rcvhwm =
static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_rcvhwm")->AsInt());
auto log_rcvbuf =
static_cast<int>(zeek::id::find_val<zeek::IntVal>("Cluster::Backend::ZeroMQ::log_rcvbuf")->AsInt());
ZEROMQ_DEBUG("Setting log_sndhwm=%d log_sndbuf=%d log_rcvhwm=%d log_rcvbuf=%d linger_ms=%d", log_sndhwm, log_sndbuf,
log_rcvhwm, log_rcvbuf, linger_ms);
@ -244,6 +236,11 @@ bool ZeroMQBackend::DoInit() {
}
}
// The connect_log_endpoints variable may be modified by zeek_init(), so
// need to look it up here rather than during DoInitPostScript().
//
// We should've probably introduced a configuration record similar to the
// storage framework, too. Hmm. Maybe in the future.
const auto& log_endpoints = zeek::id::find_val<zeek::VectorVal>("Cluster::Backend::ZeroMQ::connect_log_endpoints");
for ( unsigned int i = 0; i < log_endpoints->Size(); i++ )
connect_log_endpoints.push_back(log_endpoints->StringValAt(i)->ToStdString());
@ -313,9 +310,11 @@ bool ZeroMQBackend::DoPublishEvent(const std::string& topic, const std::string&
if ( i < parts.size() - 1 )
flags = flags | zmq::send_flags::sndmore;
// This should never fail, it will instead block
// when HWM is reached. I guess we need to see if
// and how this can happen :-/
// This never returns EAGAIN. A pair socket blocks whenever the hwm
// is reached, regardless of passing any dontwait flag.
//
// This can result in blocking on Cluster::publish() if the inner
// thread does not consume from child_inproc.
try {
main_inproc.send(parts[i], flags);
} catch ( const zmq::error_t& err ) {
@ -512,7 +511,7 @@ void ZeroMQBackend::HandleInprocMessages(std::vector<MultipartMessage>& msgs) {
}
}
else {
ZEROMQ_THREAD_PRINTF("inproc: error: expected 1 or 4 parts, have %zu!\n", msg.size());
ZEROMQ_THREAD_PRINTF("inproc: error: expected 2 or 4 parts, have %zu!\n", msg.size());
}
}
}