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72 lines
2.2 KiB
C
72 lines
2.2 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 <signal.h>
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#ifdef _WIN32
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# include <winsock2.h>
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#else
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# include <sys/select.h>
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#endif
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#ifdef UA_NO_AMALGAMATION
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# include "ua_types.h"
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# include "ua_server.h"
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# include "ua_config_standard.h"
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# include "ua_network_tcp.h"
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# include "ua_log_stdout.h"
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#else
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# include "open62541.h"
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#endif
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UA_Boolean running = true;
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UA_Logger logger = UA_Log_Stdout;
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static void stopHandler(int sign) {
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UA_LOG_INFO(logger, 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); /* catches ctrl-c */
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UA_ServerConfig config = UA_ServerConfig_standard;
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UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 16664);
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config.networkLayers = &nl;
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config.networkLayersSize = 1;
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UA_Server *server = UA_Server_new(config);
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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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/* 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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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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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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nl.deleteMembers(&nl);
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return (int)retval;
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}
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