Bitburner-Scripts/servers/home/utils.ts

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// noinspection JSUnusedGlobalSymbols
/**
* Recursively scans all servers connected to the current server, excluding home
* @param ns global NS object
* @returns A list of all servers connected to the current server
*/
export function recursiveScan(ns: NS) {
// Starting case
let servers = ns.scan('home')
// Add all servers to the list
let allServers: string[] = []
while (servers.length > 0) {
let server = servers.shift()
if (server) {
let newServers = ns.scan(server)
for (let newServer of newServers) {
if (!allServers.includes(newServer)) {
allServers.push(newServer)
servers.push(newServer)
}
}
}
}
// Remove the current server
allServers.splice(allServers.indexOf('home'), 1)
// Print all servers
return allServers
}
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/**
* Recursively scans all servers connected to the current server for the set of all levels that hackable servers require
* @param ns
* @returns A set of every hacking level required to hack a new server
*/
export function recursiveHackingRequired(ns: NS) {
let servers = recursiveScan(ns)
let levels: number[] = []
for (let server of servers) {
levels.push(ns.getServerRequiredHackingLevel(server))
}
// remove duplicates
return [...new Set(levels)]
}
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/**
* Removes files passed in from all servers
* @param ns Global NS object
* @param files The files to remove
* @returns void
* @example Removes all files from the folder "no-ports" from all servers.
* removeFilesOnAllServers(ns, ns.ls("home", "no-ports"));
* @note ns.ls() returns the full path of every file, so if the file is not in the same place in every server,
* you will need to modify each file path to match the server you are removing it from.
*/
export function removeFilesOnAllServers(ns: NS, files: string[]) {
let hosts = recursiveScan(ns)
for (const host of hosts) {
for (const file of files) {
ns.rm(file, host)
}
}
}
/**
* Tries to gain root access to a server
* @param ns Global NS object
* @param server The server to gain root access to
* @returns The number of programs used to gain root access
*/
export function rootServer(ns: NS, server: string) {
let counter = 0
if (ns.fileExists('BruteSSH.exe', 'home')) {
ns.brutessh(server)
counter++
}
if (ns.fileExists('FTPCrack.exe', 'home')) {
ns.ftpcrack(server)
counter++
}
if (ns.fileExists('SMTPCrack.exe', 'home')) {
ns.relaysmtp(server)
counter++
}
if (ns.fileExists('HTTPWorm.exe', 'home')) {
ns.httpworm(server)
counter++
}
if (ns.fileExists('SQLInject.exe', 'home')) {
ns.sqlinject(server)
counter++
}
if (ns.getServer(server).openPortCount <= counter) {
ns.nuke(server)
}
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return counter
}
/**
* Performs a function on a server if the player is capable of doing so, otherwise returns false
* @param ns Global NS object
* @param server The server to perform the function on
* @param func The function to perform
* @param args The arguments to pass to the function
* @returns The result of the function if it is performed or true if the function does not return anything, otherwise false
*/
export function performFunctionIfCapable(ns: NS, server: string, func: CallableFunction, args: any[]) {
ns.print(`Performing function on ${server}`)
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if (ns.getHackingLevel() < ns.getServerRequiredHackingLevel(server)) {
ns.print(`Not enough hacking level to hack ${server}`)
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return false
}
if (ns.getServerNumPortsRequired(server) < ns.getServer(server).openPortCount) {
ns.print(`Not enough ports, trying to root ${server}`)
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}
if (rootServer(ns, server) < ns.getServerNumPortsRequired(server)) {
ns.print(`Need more port opening programs to root ${server}`)
return false
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}
if (!ns.hasRootAccess(server)) {
ns.print(`Failed to root ${server}`)
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return false
}
let result = func(...args)
if (result === undefined) {
return true
} else {
return result
}
}
/**
* Executes a script on a server from another server
* @param ns Global NS object
* @param server The server to execute the script on
* @param script The file path of the script to execute
* @param threads The number of threads to use
* @param args The arguments to pass to the script
*/
export function executeScriptOnServerFromAnother(ns: NS, server: string, script: string, threads: number = 1, args: any[]) {
ns.scp(script, server)
performFunctionIfCapable(ns, server, ns.exec, [script, server, threads, ...args])
ns.atExit(() => {
ns.rm(script, server)
})
}
/**
* Calculates the money per second the player is making
* @param ns Global NS object
* @param time=5 The number of seconds to calculate the MPS over
*/
export async function calculateMPS(ns: NS, time: number = 5) {
let start = ns.getServerMoneyAvailable('home')
let data: number[] = []
for (let i = 0; i < time; i++) {
await ns.sleep(1000)
data.push(ns.getServerMoneyAvailable('home') - start)
}
return data.reduce((a, b) => a + b, 0) / time
}