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58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
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* See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
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*/
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#include "open62541.h"
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#include <signal.h>
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UA_Boolean running = true;
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static void stopHandler(int sign) {
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UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "received ctrl-c");
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running = false;
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}
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/* In this example, we integrate the server into an external "mainloop". This
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can be for example the event-loop used in GUI toolkits, such as Qt or GTK. */
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int main(int argc, char** argv) {
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signal(SIGINT, stopHandler);
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signal(SIGTERM, stopHandler);
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UA_ServerConfig *config = UA_ServerConfig_new_default();
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UA_Server *server = UA_Server_new(config);
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/* Should the server networklayer block (with a timeout) until a message
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arrives or should it return immediately? */
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UA_Boolean waitInternal = false;
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UA_StatusCode retval = UA_Server_run_startup(server);
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if(retval != UA_STATUSCODE_GOOD)
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goto cleanup;
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while(running) {
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/* timeout is the maximum possible delay (in millisec) until the next
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_iterate call. Otherwise, the server might miss an internal timeout
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or cannot react to messages with the promised responsiveness. */
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/* If multicast discovery server is enabled, the timeout does not not consider new input data (requests) on the mDNS socket.
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* It will be handled on the next call, which may be too late for requesting clients.
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* if needed, the select with timeout on the multicast socket server->mdnsSocket (see example in mdnsd library)
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*/
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UA_UInt16 timeout = UA_Server_run_iterate(server, waitInternal);
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/* Now we can use the max timeout to do something else. In this case, we
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just sleep. (select is used as a platform-independent sleep
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function.) */
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = timeout * 1000;
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select(0, NULL, NULL, NULL, &tv);
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}
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retval = UA_Server_run_shutdown(server);
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cleanup:
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UA_Server_delete(server);
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UA_ServerConfig_delete(config);
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return (int)retval;
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}
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