feat: udp stream

src/spore/core/ApiServer.cpp

@@ -152,6 +152,11 @@ void ApiServer::setupWebSocket() {
 
     // Subscribe to all local events and forward to websocket clients
     ctx.onAny([this](const std::string& event, void* dataPtr) {
+        // Ignore raw UDP frames
+        if (event == "udp/raw") {
+            return;
+        }
+
         String* payloadStrPtr = static_cast<String*>(dataPtr);
         String payloadStr = payloadStrPtr ? *payloadStrPtr : String("");
 

src/spore/core/ClusterManager.cpp

@@ -68,6 +68,7 @@ void ClusterManager::listen() {
 
 void ClusterManager::initMessageHandlers() {
     messageHandlers.clear();
+    messageHandlers.push_back({ &ClusterManager::isRawMsg,  [this](const char* msg){ this->onRawMessage(msg);  }, "RAW" });
     messageHandlers.push_back({ &ClusterManager::isDiscoveryMsg, [this](const char* msg){ this->onDiscovery(msg); }, "DISCOVERY" });
     messageHandlers.push_back({ &ClusterManager::isHeartbeatMsg, [this](const char* msg){ this->onHeartbeat(msg); }, "HEARTBEAT" });
     messageHandlers.push_back({ &ClusterManager::isResponseMsg,  [this](const char* msg){ this->onResponse(msg);  }, "RESPONSE"  });
@@ -113,6 +114,15 @@ bool ClusterManager::isClusterEventMsg(const char* msg) {
     return strncmp(msg, ClusterProtocol::CLUSTER_EVENT_MSG, strlen(ClusterProtocol::CLUSTER_EVENT_MSG)) == 0;
 }
 
+bool ClusterManager::isRawMsg(const char* msg) {
+    // RAW frames must be "RAW:<payload>"; enforce the delimiter so we skip things like "RAW_HEARTBEAT".
+    const std::size_t prefixLen = strlen(ClusterProtocol::RAW_MSG);
+    if (strncmp(msg, ClusterProtocol::RAW_MSG, prefixLen) != 0) {
+        return false;
+    }
+    return msg[prefixLen] == ':';
+}
+
 void ClusterManager::onDiscovery(const char* /*msg*/) {
     ctx.udp->beginPacket(ctx.udp->remoteIP(), ctx.config.udp_port);
     String response = String(ClusterProtocol::RESPONSE_MSG) + ":" + ctx.hostname;
@@ -240,6 +250,23 @@ void ClusterManager::onClusterEvent(const char* msg) {
     ctx.fire(eventKey, &data);
 }
 
+void ClusterManager::onRawMessage(const char* msg) {
+    const std::size_t prefixLen = strlen(ClusterProtocol::RAW_MSG);
+    if (msg[prefixLen] != ':') {
+        LOG_WARN("Cluster", "RAW message received without payload delimiter");
+        return;
+    }
+
+    const char* payloadStart = msg + prefixLen + 1;
+    if (*payloadStart == '\0') {
+        LOG_WARN("Cluster", "RAW message received with empty payload");
+        return;
+    }
+
+    String payload(payloadStart);
+    ctx.fire("udp/raw", &payload);
+}
+
 void ClusterManager::addOrUpdateNode(const String& nodeHost, IPAddress nodeIP) {
     auto& memberList = *ctx.memberList;