本文整理匯總了TypeScript中node-opcua.ClientSession.readVariableValue方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript ClientSession.readVariableValue方法的具體用法？TypeScript ClientSession.readVariableValue怎麽用？TypeScript ClientSession.readVariableValue使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類node-opcua.ClientSession的用法示例。
在下文中一共展示了ClientSession.readVariableValue方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: main
//.........這裏部分代碼省略.........
console.log(" reconnecting to ", chalk.cyan.bold(endpointUrl));
await client.connect(endpointUrl);
let userIdentity: any; // anonymous
if (argv.userName && argv.password) {
userIdentity = {
password: argv.password,
userName: argv.userName
};
}
the_session = await client.createSession(userIdentity);
client.on("connection_reestablished", () => {
console.log(chalk.bgWhite.red(" !!!!!!!!!!!!!!!!!!!!!!!! CONNECTION RE-ESTABLISHED !!!!!!!!!!!!!!!!!!!"));
});
console.log(chalk.yellow(" session created"));
console.log(" sessionId : ", the_session.sessionId.toString());
client.on("backoff", (retry: number, delay: number) => {
console.log(chalk.bgWhite.yellow("backoff attempt #"), retry, " retrying in ", delay / 1000.0, " seconds");
});
client.on("start_reconnection", () => {
console.log(chalk.bgWhite.red(" !!!!!!!!!!!!!!!!!!!!!!!! Starting Reconnection !!!!!!!!!!!!!!!!!!!"));
});
// -----------------------------------------------------------------------------------------------------------
// NAMESPACE
// display namespace array
// -----------------------------------------------------------------------------------------------------------
const server_NamespaceArray_Id = makeNodeId(VariableIds.Server_NamespaceArray); // ns=0;i=2006
const dataValue = await the_session.readVariableValue(server_NamespaceArray_Id);
console.log(" --- NAMESPACE ARRAY ---");
const namespaceArray = dataValue.value.value;
for (const namespace of namespaceArray) {
console.log(" Namespace ", namespace.index, " : ", namespace);
}
console.log(" -----------------------");
// -----------------------------------------------------------------------------------------------------------
// enumerate all EVENT TYPES
// -----------------------------------------------------------------------------------------------------------
const result = getAllEventTypes(the_session);
console.log(chalk.cyan("---------------------------------------------------- All Event Types "));
console.log(treeify.asTree(result, true));
console.log(" -----------------------");
// -----------------------------------------------------------------------------------------------------------
// Node Crawling
// -----------------------------------------------------------------------------------------------------------
let t1: number;
let t2: number;
function print_stat() {
t2 = Date.now();
const str = util.format("R= %d W= %d T=%d t= %d",
client.bytesRead, client.bytesWritten, client.transactionsPerformed, (t2 - t1));
console.log(chalk.yellow.bold(str));
}
if (doCrawling) {
assert(_.isObject(the_session));
const crawler = new NodeCrawler(the_session);