server_lds.c 2.0 KB

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  1. /* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
  2. * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */
  3. /*
  4. * Server representing a local discovery server as a central instance.
  5. * Any other server can register with this server (see server_register.c). Clients can then call the
  6. * find servers service to get all registered servers (see client_find_servers.c).
  7. */
  8. #include <ua_server.h>
  9. #include <ua_config_default.h>
  10. #include <signal.h>
  11. #include <stdlib.h>
  12. UA_Boolean running = true;
  13. static void stopHandler(int sig) {
  14. running = false;
  15. }
  16. int main(void) {
  17. signal(SIGINT, stopHandler);
  18. signal(SIGTERM, stopHandler);
  19. UA_ServerConfig *config = UA_ServerConfig_new_default();
  20. config->applicationDescription.applicationType = UA_APPLICATIONTYPE_DISCOVERYSERVER;
  21. UA_String_clear(&config->applicationDescription.applicationUri);
  22. config->applicationDescription.applicationUri =
  23. UA_String_fromChars("urn:open62541.example.local_discovery_server");
  24. config->mdnsServerName = UA_String_fromChars("LDS");
  25. // See http://www.opcfoundation.org/UA/schemas/1.03/ServerCapabilities.csv
  26. config->serverCapabilitiesSize = 1;
  27. UA_String *caps = UA_String_new();
  28. *caps = UA_String_fromChars("LDS");
  29. config->serverCapabilities = caps;
  30. /* timeout in seconds when to automatically remove a registered server from
  31. * the list, if it doesn't re-register within the given time frame. A value
  32. * of 0 disables automatic removal. Default is 60 Minutes (60*60). Must be
  33. * bigger than 10 seconds, because cleanup is only triggered approximately
  34. * every 10 seconds. The server will still be removed depending on the
  35. * state of the semaphore file. */
  36. // config.discoveryCleanupTimeout = 60*60;
  37. UA_Server *server = UA_Server_new(config);
  38. UA_StatusCode retval = UA_Server_run(server, &running);
  39. UA_Server_delete(server);
  40. UA_ServerConfig_delete(config);
  41. return retval == UA_STATUSCODE_GOOD ? EXIT_SUCCESS : EXIT_FAILURE;
  42. }