opc source code

third_party/open62541/examples/server_mainloop.c

@@ -0,0 +1,37 @@
+/*
+ * This work is licensed under a Creative Commons CCZero 1.0 Universal License.
+ * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
+ */
+
+#include <open62541/plugin/log_stdout.h>
+#include <open62541/server.h>
+
+#include <signal.h>
+
+UA_Boolean running = true;
+static void stopHandler(int sign) {
+    UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "received ctrl-c");
+    running = false;
+}
+
+/* In this example, we integrate the server into an external "mainloop". This
+ * can be for example the event-loop used in GUI toolkits, such as Qt or GTK. */
+
+int main(int argc, char** argv) {
+    signal(SIGINT, stopHandler);
+    signal(SIGTERM, stopHandler);
+
+    UA_Server *server = UA_Server_new();
+    UA_Server_run_startup(server);
+
+    /* Should the server networklayer block (with a timeout) until a message
+       arrives or should it return immediately? */
+    UA_Boolean waitInternal = true;
+    while(running) {
+        UA_Server_run_iterate(server, waitInternal);
+    }
+
+    UA_Server_run_shutdown(server);
+    UA_Server_delete(server);
+    return 0;
+}