本文整理汇总了TypeScript中node-opcua.ClientSession类的典型用法代码示例。如果您正苦于以下问题:TypeScript ClientSession类的具体用法?TypeScript ClientSession怎么用?TypeScript ClientSession使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ClientSession类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: getBrowseName
async function getBrowseName(session: ClientSession, nodeId: NodeId): Promise<string> {
const dataValue = await session.read({
attributeId: AttributeIds.BrowseName,
nodeId
});
const browseName = dataValue.value.value.name!;
return browseName;
}
示例2: _getAllEventTypes
async function _getAllEventTypes(session: ClientSession, baseNodeId: NodeId, tree: any) {
const browseDesc1 = {
nodeId: baseNodeId,
referenceTypeId: resolveNodeId("HasSubtype"),
browseDirection: BrowseDirection.Forward,
includeSubtypes: true,
nodeClassMask: NodeClassMask.ObjectType, // Objects
resultMask: 63
};
const browseResult = await session.browse(browseDesc1);
// to do continuation points
for (const reference of browseResult.references!) {
const subtree = { nodeId: reference.nodeId.toString() };
tree[reference.browseName.toString()] = subtree;
await _getAllEventTypes(session, reference.nodeId, subtree);
}
}
示例3: worker
async function worker(element: any) {
const nodeToBrowse = {
nodeId: element.nodeId,
referenceTypeId: resolveNodeId("HierarchicalReferences"),
browseDirection: BrowseDirection.Forward,
includeSubtypes: true,
nodeClassMask: 0x1, // Objects
resultMask: 63
};
const browseResult = await session1.browse(nodeToBrowse);
for (const ref of browseResult.references!) {
if (isConditionEventType(ref.typeDefinition)) {
//
const alarm = {
parent: element.nodeId,
alarmNodeId: ref.nodeId,
browseName: ref.browseName,
typeDefinition: ref.typeDefinition,
typeDefinitionName: conditions[ref.typeDefinition.toString()]
};
found.push(alarm);
} else {
await worker(ref.nodeId);
}
}
}
示例4: resolve
setTimeout(async () => {
console.log("time out => shutting down ");
if (!the_subscription) {
return resolve();
}
if (the_subscription) {
const s = the_subscription;
the_subscription = null;
await s.terminate();
await the_session.close();
await client.disconnect();
console.log(" Done ");
process.exit(0);
}
}, timeout);
示例5: findAllNodeOfType
async function findAllNodeOfType(
tree1: any,
typeNodeId1: NodeId,
browseName: string) {
const browseDesc1 = {
nodeId: typeNodeId1,
referenceTypeId: resolveNodeId("HasSubtype"),
browseDirection: BrowseDirection.Forward,
includeSubtypes: true,
resultMask: 63
};
const browseDesc2 = {
nodeId: typeNodeId1,
referenceTypeId: resolveNodeId("HasTypeDefinition"),
browseDirection: BrowseDirection.Inverse,
includeSubtypes: true,
resultMask: 63
};
const browseDesc3 = {
nodeId: typeNodeId1,
referenceTypeId: resolveNodeId("HasTypeDefinition"),
browseDirection: BrowseDirection.Forward,
includeSubtypes: true,
resultMask: 63
};
const nodesToBrowse = [
browseDesc1,
browseDesc2,
browseDesc3
];
const browseResults = await session.browse(nodesToBrowse);
tree1[browseName] = {};
browseResults[0].references = browseResults[0].references || [];
for (const reference of browseResults[0].references) {
conditionEventTypes[reference.nodeId.toString()] = reference.browseName.toString();
await findAllNodeOfType(tree1[browseName], reference.nodeId, reference.browseName.toString());
}
}
示例6: async
process.on("SIGINT", async () => {
console.log(" user interruption ...");
user_interruption_count += 1;
if (user_interruption_count >= 3) {
process.exit(1);
}
if (the_subscription) {
console.log(chalk.red.bold(" Received client interruption from user "));
console.log(chalk.red.bold(" shutting down ..."));
const subscription = the_subscription;
the_subscription = null;;
await subscription.terminate();
await the_session.close();
await client.disconnect();
process.exit(0);
}
});
示例7: main
async function main() {
const optionsInitial = {
endpoint_must_exist: false,
keepSessionAlive: true,
connectionStrategy: {
initialDelay: 2000,
maxDelay: 10 * 1000,
maxRetry: 10
}
};
client = OPCUAClient.create(optionsInitial);
client.on("backoff", (retry: number, delay: number) => {
console.log(chalk.bgWhite.yellow("backoff attempt #"), retry, " retrying in ", delay / 1000.0, " seconds");
});
console.log(" connecting to ", chalk.cyan.bold(endpointUrl));
console.log(" strategy", client.connectionStrategy);
await client.connect(endpointUrl);
const endpoints = await client.getEndpoints();
if (argv.debug) {
fs.writeFileSync("tmp/endpoints.log", JSON.stringify(endpoints, null, " "));
console.log(treeify.asTree(endpoints, true));
}
const table = new Table();
let serverCertificate: Certificate;
let i = 0;
for (const endpoint of endpoints) {
table.cell("endpoint", endpoint.endpointUrl + "");
table.cell("Application URI", endpoint.server.applicationUri);
table.cell("Product URI", endpoint.server.productUri);
table.cell("Application Name", endpoint.server.applicationName.text);
table.cell("Security Mode", endpoint.securityMode.toString());
table.cell("securityPolicyUri", endpoint.securityPolicyUri);
table.cell("Type", ApplicationType[endpoint.server.applicationType]);
table.cell("certificate", "..." /*endpoint.serverCertificate*/);
endpoint.server.discoveryUrls = endpoint.server.discoveryUrls || [];
table.cell("discoveryUrls", endpoint.server.discoveryUrls.join(" - "));
serverCertificate = endpoint.serverCertificate;
const certificate_filename = path.join(__dirname, "../certificates/PKI/server_certificate" + i + ".pem");
if (serverCertificate) {
fs.writeFile(certificate_filename, toPem(serverCertificate, "CERTIFICATE"), () => {/**/
});
}
table.newRow();
i++;
}
console.log(table.toString());
for (const endpoint of endpoints) {
console.log("Identify Token for : Security Mode=", endpoint.securityMode.toString(), " Policy=", endpoint.securityPolicyUri);
const table2 = new Table();
for (const token of endpoint.userIdentityTokens!) {
table2.cell("policyId", token.policyId);
table2.cell("tokenType", token.tokenType.toString());
table2.cell("issuedTokenType", token.issuedTokenType);
table2.cell("issuerEndpointUrl", token.issuerEndpointUrl);
table2.cell("securityPolicyUri", token.securityPolicyUri);
table2.newRow();
}
console.log(table2.toString());
}
await client.disconnect();
// reconnect using the correct end point URL now
console.log(chalk.cyan("Server Certificate :"));
console.log(chalk.yellow(hexDump(serverCertificate!)));
const options = {
securityMode,
securityPolicy,
serverCertificate,
defaultSecureTokenLifetime: 40000,
endpoint_must_exist: false,
connectionStrategy: {
initialDelay: 2000,
maxDelay: 10 * 1000,
maxRetry: 10
}
};
console.log("Options = ", options.securityMode.toString(), options.securityPolicy.toString());
client = OPCUAClient.create(options);
console.log(" reconnecting to ", chalk.cyan.bold(endpointUrl));
//.........这里部分代码省略.........