opc source code

2026-06-09 17:27:24 +08:00
parent 70f675a48b
commit f0da5cb3c3
2002 changed files with 269812 additions and 7 deletions
--- a/third_party/open62541/examples/server_loglevel.c
+++ b/third_party/open62541/examples/server_loglevel.c
@@ -0,0 +1,82 @@
+/* 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 <open62541/server_config_default.h>
+
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef __linux__
+#include <getopt.h>
+#endif
+
+UA_Boolean running = true;
+static void stopHandler(int sig) {
+    running = false;
+}
+
+int main(int argc, char **argv) {
+    signal(SIGINT, stopHandler); /* catches ctrl-c */
+    signal(SIGTERM, stopHandler);
+
+    UA_LogLevel log_level = UA_LOGLEVEL_ERROR;
+
+#ifdef __linux__
+    static struct option long_options[] = {
+            {"help",     no_argument,       0,  'h' },
+            {"loglevel", required_argument, 0,  'l' },
+            {0,          0,                 0,  0 }
+    };
+    int long_index = 0;
+    int opt;
+    while ((opt = getopt_long(argc, argv,"hl",
+                   long_options, &long_index )) != -1) {
+        switch (opt) {
+            // This assumes that the mapping between UA_LogLevel and int is known
+             case 'l' : log_level = (UA_LogLevel)atoi(optarg);
+                 break;
+             case 'h' : printf( "Usage server_loglevel --loglevel=level\n" );
+                        exit(1);
+                 break;
+             default: fprintf(stderr,"Illegal argument '%c'\n", opt);
+                 exit(EXIT_FAILURE);
+        }
+    }
+#endif
+
+
+    UA_Server *server = UA_Server_new();
+    UA_ServerConfig *config = UA_Server_getConfig(server);
+    UA_ServerConfig_setDefault(config);
+
+    /* Exchange the logger */
+    UA_Logger logger = UA_Log_Stdout_withLevel( log_level );
+    logger.clear = config->logging->clear;
+    *config->logging = logger;
+
+    /* Some data */
+    UA_StatusCode retval;
+    UA_ObjectTypeAttributes otAttr = UA_ObjectTypeAttributes_default;
+    otAttr.description = UA_LOCALIZEDTEXT("en-US", "Some Data");
+    otAttr.displayName = UA_LOCALIZEDTEXT("en-US", "data");
+    UA_Server_addObjectTypeNode(server, UA_NODEID_NUMERIC(1, 10000),
+                                UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
+                                UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
+                                UA_QUALIFIEDNAME(1, "data"), otAttr, NULL, NULL);
+
+    UA_VariableAttributes vAttr = UA_VariableAttributes_default;
+    vAttr.description =  UA_LOCALIZEDTEXT("en-US", "Some Data");
+    vAttr.displayName =  UA_LOCALIZEDTEXT("en-US", "data");
+    UA_UInt32 ageVar = 0;
+    UA_Variant_setScalar(&vAttr.value, &ageVar, &UA_TYPES[UA_TYPES_UINT32]);
+    UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, 10001),
+                              UA_NODEID_NUMERIC(1, 10000), UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
+                              UA_QUALIFIEDNAME(1, "data"), UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), vAttr, NULL, NULL);
+
+    retval = UA_Server_run(server, &running);
+
+    UA_Server_delete(server);
+    return retval == UA_STATUSCODE_GOOD ? EXIT_SUCCESS : EXIT_FAILURE;
+}