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urfd/reflector/NNGPublisher.cpp

87 lines
2.2 KiB

#include "NNGPublisher.h"
#include "Global.h"
#include <iostream>
#include <sstream>
CNNGPublisher::CNNGPublisher()
: m_started(false)
{
m_sock.id = 0;
}
CNNGPublisher::~CNNGPublisher()
{
Stop();
}
bool CNNGPublisher::Start(const std::string &addr)
{
std::lock_guard<std::mutex> lock(m_mutex);
if (m_started) return true;
int rv;
if ((rv = nng_pub0_open(&m_sock)) != 0) {
std::cerr << "NNG: Failed to open pub socket: " << nng_strerror(rv) << std::endl;
return false;
}
if ((rv = nng_listen(m_sock, addr.c_str(), nullptr, 0)) != 0) {
std::cerr << "NNG: Failed to listen on " << addr << ": " << nng_strerror(rv) << std::endl;
nng_close(m_sock);
return false;
}
m_started = true;
std::cout << "NNG: Publisher started at " << addr << std::endl;
return true;
}
void CNNGPublisher::Stop()
{
std::lock_guard<std::mutex> lock(m_mutex);
if (!m_started) return;
nng_close(m_sock);
m_started = false;
std::cout << "NNG: Publisher stopped" << std::endl;
}
void CNNGPublisher::Publish(const nlohmann::json &event)
{
std::lock_guard<std::mutex> lock(m_mutex);
if (!m_started) return;
if (m_sock.id == 0) {
std::cerr << "NNG debug: Cannot publish, socket not initialized." << std::endl;
return;
}
std::string msg = event.dump();
if (g_Configure.GetBoolean(g_Keys.dashboard.debug))
std::cout << "NNG debug: Attempting to publish message of size " << msg.size() << ": " << msg << std::endl;
int rv = nng_send(m_sock, (void *)msg.c_str(), msg.size(), NNG_FLAG_NONBLOCK);
if (rv == 0) {
// Count event instead of logging
std::string type = event["type"];
m_EventCounts[type]++;
} else if (rv != NNG_EAGAIN) {
std::cerr << "NNG: Send error: " << nng_strerror(rv) << std::endl;
}
}
std::string CNNGPublisher::GetAndClearStats()
{
std::lock_guard<std::mutex> lock(m_mutex);
if (m_EventCounts.empty()) return "";
std::stringstream ss;
bool first = true;
for (const auto& kv : m_EventCounts)
{
if (!first) ss << ", ";
ss << "\"" << kv.first << "\": " << kv.second;
first = false;
}
m_EventCounts.clear();
return ss.str();
}

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