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1
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"use strict";
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2
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3
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const execa = require("execa");
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4
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5
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const db2util = "/QOpenSys/pkgs/bin/db2util";
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6
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const sql = "select NEXT_HOP, LOCAL_BINDING_INTERFACE from QSYS2.NETSTAT_ROUTE_INFO where ROUTE_TYPE='DFTROUTE' and NEXT_HOP!='*DIRECT' and CONNECTION_TYPE=?";
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7
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8
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const parse = stdout => {
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9
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let result;
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10
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try {
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11
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const resultObj = JSON.parse(stdout);
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12
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const gateway = resultObj.records[0].NEXT_HOP;
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13
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const iface = resultObj.records[0].LOCAL_BINDING_INTERFACE;
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14
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result = {gateway, iface};
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15
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} catch (err) {}
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16
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if (!result) {
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17
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throw new Error("Unable to determine default gateway");
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18
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}
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19
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return result;
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20
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};
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21
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22
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const promise = family => {
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23
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return execa.stdout(db2util, [sql, "-p", family, "-o", "json"]).then(stdout => parse(stdout));
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24
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};
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25
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26
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const sync = family => {
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27
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const {stdout} = execa.sync(db2util, [sql, "-p", family, "-o", "json"]);
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28
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return parse(stdout);
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29
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};
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30
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31
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module.exports.v4 = () => promise("IPV4");
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32
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module.exports.v6 = () => promise("IPV6");
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33
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34
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module.exports.v4.sync = () => sync("IPV4");
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35
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module.exports.v6.sync = () => sync("IPV6");
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