This commit is contained in:
2025-09-07 12:57:32 +04:00
parent 7f52368a2d
commit 36b4d04288

View File

@@ -7,6 +7,15 @@ import os
import time
import net.urllib
import net
import sync
pub struct PerfResult {
pub mut:
url string
ping_ms int
speed f64
error string
}
// Fetch Ubuntu mirror list
fn fetch_mirrors() ![]string {
@@ -39,73 +48,124 @@ fn test_download_speed(mirror string) f64 {
}
// Ping test (rough ICMP substitute using TCP connect on port 80), returns in ms
fn test_ping(mirror string) int {
u := urllib.parse(mirror) or { return -1 }
fn test_ping(mirror string, mut wg sync.WaitGroup, ch chan PerfResult) ! {
defer { wg.done() }
u := urllib.parse(mirror) or {
ch <- PerfResult{
url: mirror
ping_ms: -1
speed: 0.0
}
return
}
host := u.host
start := time.now()
mut c := net.dial_tcp('${host}:80') or { return -1 }
mut c := net.dial_tcp('${host}:80')!
c.set_blocking(false)!
c.set_write_timeout(time.Duration(5000 * time.millisecond))
c.close() or {}
return int(time.since(start).milliseconds())
ch <- PerfResult{
url: mirror
ping_ms: int(time.since(start).milliseconds())
speed: 0.0
}
}
struct MirrorResult {
url string
ping_ms int
speed f64
}
// pub fn fix_mirrors() ! {
// println('Fetching Ubuntu mirrors...')
// mirrors := fetch_mirrors() or {
// print_backtrace()
// eprintln(err)
// return
// }
// // mut results := []PerfResult{}
// // mut c := 0
// // for m in mirrors {
// // c++
// // ping := test_ping(m)
// // println('Ping: ${ping} ms - ${mirrors.len} - ${c} ${m}')
// // $dbg;
// // }
// // for m in mirrors {
// // println('Speed: ${test_download_speed(m)} KB/s - ${m}')
// // $dbg;
// // speed := test_download_speed(m)
// // if speed > 0 {
// // ping := 0
// // results << PerfResult{
// // url: m
// // ping_ms: ping
// // speed: speed
// // }
// // println('✅ ${m} | ping: ${ping} ms | speed: ${speed:.2f} KB/s')
// // } else {
// // println('❌ ${m} skipped (unreachable or slow)')
// // }
// // $dbg;
// // }
// // println('\n🏆 Best mirrors:')
// // results.sort_with_compare(fn (a &PerfResult, b &PerfResult) int {
// // // Rank primarily by speed, secondarily by ping
// // if a.speed > b.speed {
// // return -1
// // } else if a.speed < b.speed {
// // return 1
// // } else {
// // return a.ping_ms - b.ping_ms
// // }
// // })
// // for r in results[..results.len.min(10)] {
// // println('${r.url} | ${r.ping_ms} ms | ${r.speed:.2f} KB/s')
// // }
// // println(results)
// // $dbg;
// }
pub fn fix_mirrors() ! {
println('Fetching Ubuntu mirrors...')
// Create wait group for servers
mut wg := sync.new_waitgroup()
wg.add(500)
ch := chan PerfResult{cap: 1000}
mirrors := fetch_mirrors() or {
print_backtrace()
eprintln(err)
return
}
mut results := []MirrorResult{}
mut c := 0
mut result := []PerfResult{}
for m in mirrors {
c++
ping := test_ping(m)
println('Ping: ${ping} ms - ${mirrors.len} - ${c} ${m}')
$dbg;
println('Start background ping - ${mirrors.len} - ${c} ${m} - Queue len: ${ch.len} / ${ch.cap}')
l := ch.len // number of elements in queue
for l > ch.cap - 2 { // if queue is full, wait
println('Queue full, wait till some are done')
time.sleep(1 * time.second)
}
spawn test_ping(m, mut wg, ch)
}
for m in mirrors {
println('Speed: ${test_download_speed(m)} KB/s - ${m}')
$dbg;
speed := test_download_speed(m)
if speed > 0 {
ping := 0
results << MirrorResult{
url: m
ping_ms: ping
speed: speed
}
println('✅ ${m} | ping: ${ping} ms | speed: ${speed:.2f} KB/s')
} else {
println('❌ ${m} skipped (unreachable or slow)')
for {
value := <-ch or { // receive/pop values from the channel
println('Channel closed')
break
}
$dbg;
println('Received: ${value}')
}
println('\n🏆 Best mirrors:')
results.sort_with_compare(fn (a &MirrorResult, b &MirrorResult) int {
// Rank primarily by speed, secondarily by ping
if a.speed > b.speed {
return -1
} else if a.speed < b.speed {
return 1
} else {
return a.ping_ms - b.ping_ms
}
})
println('All pings done 1')
// for r in results[..results.len.min(10)] {
// println('${r.url} | ${r.ping_ms} ms | ${r.speed:.2f} KB/s')
// }
wg.wait()
println(results)
$dbg;
println('All pings done')
}