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Fix hashing function

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This commit is contained in:
Cyn 2021-12-25 17:15:57 -05:00
parent dbc49d213b
commit 9be1236a2f
1 changed files with 21 additions and 14 deletions
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33
src/watcher.ts
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@ -1,31 +1,31 @@
import { NS, ProcessInfo } from "../NetscriptDefinitions" import { NS, ProcessInfo } from '../NetscriptDefinitions'
export async function main(ns : NS) : Promise<void> { export async function main(ns: NS): Promise<void> {
const hashes : any = {} const hashes: any = {}
const files = ns.ls('home', '.js') const files = ns.ls('home', '.js')
for ( const file of files ) { for (const file of files) {
const contents = ns.read(file) const contents = ns.read(file)
hashes[file] = getHash(contents) hashes[file] = getHash(contents)
} }
while(true) { while (true) {
const files = ns.ls('home', '.js') const files = ns.ls('home', '.js')
for(const file of files ) { for (const file of files) {
const contents = ns.read(file) const contents = ns.read(file)
const hash = getHash(contents) const hash = getHash(contents)
if(hash != hashes[file]) { if (hash != hashes[file]) {
ns.tprint(`INFO: Detected change in ${file}`) ns.tprint(`INFO: Detected change in ${file}`)
const processes = ns.ps().filter((p : ProcessInfo) => { const processes = ns.ps().filter((p: ProcessInfo) => {
return p.filename == file return p.filename == file
}) })
for(const process of processes) { for (const process of processes) {
if(process.filename != ns.getScriptName()) { ns.tprint(`INFO: Restarting ${process.filename} ${process.args} -t ${process.threads}`)
ns.tprint(`INFO: Restarting ${process.filename} ${process.args} -t ${process.threads}`) if (process.filename != ns.getScriptName()) {
ns.kill(process.pid, ns.getHostname()) ns.kill(process.pid, ns.getHostname())
ns.run(process.filename, process.threads, ...process.args) ns.run(process.filename, process.threads, ...process.args)
} else { } else {
@ -41,6 +41,13 @@ export async function main(ns : NS) : Promise<void> {
} }
} }
function getHash(input : string) : number { const getHash = (input: string): number => {
return input.split("").reduce( (a, b) => ((a << 5) - 1) + b.charCodeAt(0)|0, 0) let hash = 0, i, chr
if (input.length === 0) return hash
for (i = 0; i < input.length; i++) {
chr = input.charCodeAt(i)
hash = ((hash << 5) - hash) + chr
hash |= 0 // Convert to 32bit integer
}
return hash
} }