async-snmp/dist/index.js

A lightweight wrapper for the Node.js net-snmp library

// snmp-sessions/snmpSession.ts
import { AuthProtocols, createV3Session, PrivProtocols, SecurityLevel } from "net-snmp";
var SnmpSession = class {
  constructor(config) {
    this.defaultUser = {
      name: "admin",
      level: SecurityLevel.authPriv,
      authProtocol: AuthProtocols.sha,
      authKey: "public",
      privProtocol: PrivProtocols.aes,
      privKey: "public"
    };
    this.sessions = {};
    if (config) {
      this.defaultUser = config;
    }
  }
  getSession(ip, userConfig, options) {
    if (!this.sessions[ip]) {
      this.sessions[ip] = createV3Session(ip, userConfig || this.defaultUser, options);
    }
    return this.sessions[ip];
  }
  closeSession(ip) {
    if (this.sessions[ip]) {
      this.sessions[ip].close();
      delete this.sessions[ip];
    }
  }
  closeAllSessions() {
    for (const session of Object.values(this.sessions)) {
      session.close();
    }
    this.sessions = {};
  }
};
var snmpSessionManager = new SnmpSession(process.env.SNMP_USER_CONFIG ? JSON.parse(process.env.SNMP_USER_CONFIG) : void 0);

// snmp-sessions/snmp.ts
var snmpGet = (ip, oids, userConfig, options) => {
  return new Promise((resolve, reject) => {
    const session = snmpSessionManager.getSession(ip, userConfig, options);
    session == null ? void 0 : session.get(oids, (error, varbinds) => {
      if (error) {
        reject(error);
      } else {
        resolve(varbinds || []);
      }
    });
  });
};
var snmpSet = (ip, varbinds, userConfig, options) => {
  return new Promise((resolve, reject) => {
    const session = snmpSessionManager.getSession(ip, userConfig, options);
    session == null ? void 0 : session.set(varbinds, (error, setVarbinds) => {
      if (error) {
        reject(error);
      } else {
        resolve(setVarbinds || []);
      }
    });
  });
};
var originizeResult = (varbinds) => {
  return varbinds.reduce((acc, varbind) => {
    const key = varbind.oid;
    acc[key] = Buffer.isBuffer(varbind.value) ? varbind.value.toString("utf-8") : varbind.value;
    return acc;
  }, {});
};
export {
  originizeResult,
  snmpGet,
  snmpSet
};