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feat: add alive configs, store testing output

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sajadMRjl
2026-01-28 15:44:57 +03:30
parent a022ea60ea
commit 1b849aaf83
9 changed files with 126 additions and 148 deletions
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1
.gitignore vendored
View File

@@ -8,6 +8,7 @@ scanner
*.dylib *.dylib
data/* data/*
!data/valid_proxies.txt !data/valid_proxies.txt
!data/alive_proxies.txt
bin/ bin/
bin/* bin/*

140
cmd/main.go
View File

@@ -19,123 +19,103 @@ import (
) )
func main() { func main() {
// 1. Init // 1. Init & Config
cfg := config.Load() cfg := config.Load()
logger.Setup(cfg.LogLevel) logger.Setup(cfg.LogLevel)
if len(os.Args) > 1 { cfg.InputPath = os.Args[1] }
// CLI Argument Override // 2. Writers (Valid, Alive, Dataset)
// Usage: ./find-me-internet [OPTIONAL_INPUT_SOURCE] validJson, _ := sink.NewJSONL(cfg.OutputPath)
if len(os.Args) > 1 { defer validJson.Close()
cfg.InputPath = os.Args[1] validTxt, _ := sink.NewText(cfg.TxtOutputPath)
slog.Info("input_source_overridden", "source", cfg.InputPath) defer validTxt.Close()
}
sigChan := make(chan os.Signal, 1) aliveJson, _ := sink.NewJSONL(cfg.AliveOutputPath)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) defer aliveJson.Close()
aliveTxt, _ := sink.NewText(cfg.AliveTxtOutputPath)
defer aliveTxt.Close()
// 2. Services datasetWriter, _ := sink.NewJSONL(cfg.DatasetOutputPath)
geoDB, err := geoip.Open(cfg.GeoIPPath) defer datasetWriter.Close()
if err != nil {
slog.Warn("geoip_db_missing", "error", err)
} else {
defer geoDB.Close()
}
jsonWriter, err := sink.NewJSONL(cfg.OutputPath) // 3. Services
if err != nil { geoDB, _ := geoip.Open(cfg.GeoIPPath)
slog.Error("cannot_create_json_output", "error", err) if geoDB != nil { defer geoDB.Close() }
os.Exit(1)
}
defer jsonWriter.Close()
txtWriter, err := sink.NewText(cfg.TxtOutputPath)
if err != nil {
slog.Error("cannot_create_txt_output", "error", err)
os.Exit(1)
}
defer txtWriter.Close()
deduplicator := dedup.New() deduplicator := dedup.New()
netFilter := filter.NewPipeline(cfg.TcpTimeout) netFilter := filter.NewPipeline(cfg.TcpTimeout)
boxRunner := tester.NewRunner(cfg.SingBoxPath, cfg.TestURL, cfg.TestTimeout) boxRunner := tester.NewRunner(cfg.SingBoxPath, cfg.TestURL, cfg.TestTimeout)
// 3. Input Stream (Smart Load) // 4. Input Stream
// Supports both http://... and ./path/to/file.txt
linkStream, err := source.Load(cfg.InputPath) linkStream, err := source.Load(cfg.InputPath)
if err != nil { if err != nil { slog.Error("input_failed", "err", err); os.Exit(1) }
slog.Error("input_source_failed", "error", err, "path", cfg.InputPath)
os.Exit(1)
}
// 4. Worker Pool
var wg sync.WaitGroup var wg sync.WaitGroup
semaphore := make(chan struct{}, cfg.Workers) semaphore := make(chan struct{}, cfg.Workers)
sigChan := make(chan os.Signal, 1)
countProcessed := 0 signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
countValid := 0
var mu sync.Mutex
slog.Info("pipeline_started", "workers", cfg.Workers) slog.Info("pipeline_started", "workers", cfg.Workers)
// Main Loop
loop:
for rawLink := range linkStream { for rawLink := range linkStream {
select { select {
case <-sigChan: case <-sigChan:
slog.Info("shutdown_signal_received", "msg", "finishing pending jobs...") goto cleanup
break loop
default: default:
} }
wg.Add(1) wg.Add(1)
go func(raw string) { go func(raw string) {
defer wg.Done() defer wg.Done()
// A. Parse // STEP 1: PARSE
proxy, err := parser.ParseLink(raw) proxy, err := parser.ParseLink(raw)
if err != nil { return } if err != nil { return } // Cannot track unparseable junk
// B. Dedup // STEP 2: DEDUP
if deduplicator.Seen(proxy.Address, proxy.Port) { return } if deduplicator.Seen(proxy) { return }
// C. Filter // STEP 3: ENRICH (Country)
if !netFilter.Check(proxy) { return } // We do this EARLY so even "Dead" proxies in the dataset have a Country label
// D. Test
semaphore <- struct{}{}
err = boxRunner.Test(proxy)
<-semaphore
if err != nil { return }
// E. Enrich
if geoDB != nil { if geoDB != nil {
proxy.Country = geoDB.Lookup(proxy.Address) proxy.Country = geoDB.Lookup(proxy.Address)
} }
// F. Save // STEP 4: FILTER (Sets p.Status, p.FailureReason if fails)
jsonWriter.Write(proxy) if !netFilter.Check(proxy) {
txtWriter.Write(proxy) // Proxy is DEAD. The Filter has already set:
// p.Status = "dead"
// p.FailureReason = "tcp_timeout" (etc)
datasetWriter.Write(proxy)
return
}
// Stats // STEP 5: TEST (Sets p.Status, p.FailureReason if fails)
mu.Lock() semaphore <- struct{}{}
countValid++ err = boxRunner.Test(proxy)
mu.Unlock() <-semaphore
slog.Info("proxy_saved", if err != nil {
"country", proxy.Country, // Proxy is ALIVE (Semi-working). Runner has already set:
"latency", proxy.Latency.Milliseconds(), // p.Status = "alive"
"type", proxy.Type, // p.FailureReason = "http_error_502" (etc)
)
aliveJson.Write(proxy)
aliveTxt.Write(proxy)
datasetWriter.Write(proxy)
return
}
validJson.Write(proxy)
validTxt.Write(proxy)
datasetWriter.Write(proxy)
slog.Info("proxy_verified", "country", proxy.Country, "latency", proxy.Latency.Milliseconds())
}(rawLink) }(rawLink)
countProcessed++
if countProcessed % 1000 == 0 {
slog.Info("progress_report", "processed", countProcessed, "valid", countValid)
}
} }
cleanup:
wg.Wait() wg.Wait()
slog.Info("scan_finished", "total_processed", countProcessed, "total_valid", countValid) slog.Info("scan_finished")
} }

9
data/alive_proxies.txt Normal file
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@@ -0,0 +1,9 @@
vless://b4bd0613-ff7c-4f2f-954d-185915e6ddad@216.239.38.120:443?path=%2F%40JavidnamanIran%2FJavid-SHAH-KingRezaPahlavi%2F&security=tls&encryption=none&insecure=0&host=o-cdn.igoii.org&type=ws&allowInsecure=0&sni=o-cdn.igoii.org#%F0%9F%86%98%EF%B8%8F%20%F0%9F%87%A9%F0%9F%87%AA%20-1
vless://33676069-bc5a-443c-bb64-14a215544f2b@deu711.deulucker.org:444?mode=auto&path=%2Fapi%2Fv1%2F&security=reality&encryption=none&pbk=BhTJ3phnq-Z-10aFKSsj1lzhA8mULR4L6leE4-0WTAs&fp=chrome&type=xhttp&sni=deu711.deulucker.org#@Vip_Security join us - 68
ss://YWVzLTI1Ni1nY206S2l4THZLendqZWtHMDBybQ@38.91.100.134:8080#@Vip_Security join us - 328
trojan://5a2c16f9@one.cf.cdn.hyli.xyz:443?path=/&security=tls&host=snippets.kkii.eu.org&type=ws&sni=snippets.kkii.eu.org#@Vip_Security join us - 47
vless://7abc75eb-b58b-4e28-af59-20f41bdf7a2a@dns.ownlink.pro:443?path=%2Frestart&security=tls&alpn=h2%2Chttp%2F1.1&encryption=none&insecure=0&host=last.ownlink.pro&fp=chrome&type=ws&allowInsecure=0&sni=last.ownlink.pro#4
vless://c4426a36-247f-4abf-bf4e-e9ea0ed01c32@ip.ali.lat:2053?path=%2F&security=tls&alpn=h2%2Chttp%2F1.1&encryption=none&insecure=0&host=temp.ali.lat&type=ws&allowInsecure=0&sni=temp.ali.lat#@Vip_Security join us - 108
vless://dd0cfef0-fda9-47ec-8a65-49d7bc004f82@cf.narton.ir:443?path=%2Fvpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl-vpnowl%3Fed%3D2560&security=tls&alpn=h2&encryption=none&insecure=0&host=www.narton.ir&fp=firefox&type=ws&allowInsecure=0&sni=www.narton.ir#@Vip_Security join us - 112
vless://c077a7aa-7ec8-4117-8ffc-9ade75a5efce@chatgpt.com:2096?path=%2F&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=cdn.sheriffbus.com&fp=chrome&type=ws&allowInsecure=0&sni=cdn.sheriffbus.com#@Vip_Security join us - 106
vless://2fb8808b-b94c-42ea-9dd2-cd77d2efcc8d@www.perplexity.ai:2096?path=%2FeyJqdW5rIjoidDZLaDRBMWhpIiwicHJvdG9jb2wiOiJ2bCIsIm1vZGUiOiJwcm94eWlwIiwicGFuZWxJUHMiOltdfQ&security=tls&alpn=http%2F1.1&encryption=none&host=digikalaa.dpdns.org&fp=chrome&type=ws&sni=DiGIkALaA.dpdns.ORG#@Vip_Security join us - 66

9
data/valid_proxies.txt
View File

@@ -1,8 +1 @@
vless://9e685fe3-e0f9-482d-939c-200a3f89b363@172.64.145.38:8443?path=%2F%3Fed%3D2560fp%3Drandom&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=vyznthvt7f5fr.zjde5.de5.net&fp=random&type=ws&allowInsecure=0&sni=vyznthvt7f5fr.zjde5.de5.net#%F0%9F%87%A9%F0%9F%87%AA%20%40vmesspv vless://83f03646-fb28-44cc-9d2c-8853f6c09285@104.17.162.123:8443?path=%2F%3Fed%3D%23TELEGRAM-MARAMBASHI_MARAMBASHI_MARAMBASHI_MARAMBASHI_MARAMBASHI%3Fed%3D512&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=r4fnviw9jl4i4rx.zjde5.de5.net&fp=random&type=ws&allowInsecure=0&sni=r4fnviw9jl4i4rx.zjde5.de5.net#@Vip_Security join us - 98
vless://bb8c74a1-abc1-4511-b100-9876e30cb65c@172.64.145.38:8443?path=%2F%3Fed%3D2560&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=xfjd79v2tjscrm6jqo.zjde5.de5.net&fp=chrome&type=ws&allowInsecure=0&sni=xfjd79v2tjscrm6jqo.zjde5.de5.net#@Vip_Security join us - 55
vless://f85f60b1-2b96-49e9-8bde-b656d1516df0@104.17.165.123:8443?path=%2F%3Fed%3D2560&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=gx8rw8fz783ncefn332y7uyfsvb59o820mryrxu1cj19jiuuur.zjde5.de5.net&fp=chrome&type=ws&allowInsecure=0&sni=gx8rw8fz783ncefn332y7uyfsvb59o820mryrxu1cj19jiuuur.zjde5.de5.net#@Vip_Security join us - 67
vless://4525c260-df3c-4f62-b8f1-f4f5f305694b@104.17.164.123:8443?path=%2F%3Fed%3D2560&security=tls&encryption=none&insecure=0&host=yyzsuabw9e3qd5ud7ihi5dxm96oglnsvr83cjojnm1efncfhr9ucordq.zjde5.de5.net&fp=chrome&type=ws&allowInsecure=0&sni=yyzsuabw9e3qd5ud7ihi5dxm96oglnsvr83cjojnm1efncfhr9ucordq.zjde5.de5.net#%F0%9F%8C%8E%20%40vmesspv
vless://9e685fe3-e0f9-482d-939c-200a3f89b363@172.64.145.38:8443?path=%2F%3Fed%3D2560fp%3Drandom&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=vyznthvt7f5fr.zjde5.de5.net&fp=random&type=ws&allowInsecure=0&sni=vyznthvt7f5fr.zjde5.de5.net#%F0%9F%87%A9%F0%9F%87%AA%20%40vmesspv
vless://4525c260-df3c-4f62-b8f1-f4f5f305694b@66.81.247.155:443?path=%2F%3Fed%3D512&security=tls&encryption=none&insecure=0&host=yyzsuabw9e3qd5ud7ihi5dxm96oglnsvr83cjojnm1efncfhr9ucordq.zjde5.de5.net&fp=chrome&type=ws&allowInsecure=0&sni=yyzsuabw9e3qd5ud7ihi5dxm96oglnsvr83cjojnm1efncfhr9ucordq.zjde5.de5.net#%F0%9F%8C%8E%20%40vmesspv
vless://83f03646-fb28-44cc-9d2c-8853f6c09285@104.17.162.123:8443?path=%2F%3Fed%3D%23TELEGRAM-Yam%3Fed%3D512&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=r4fnviw9jl4i4rx.zjde5.de5.net&fp=random&type=ws&allowInsecure=0&sni=r4fnviw9jl4i4rx.zjde5.de5.net#@chthxyz - 61
vless://3a4ddfac-e7da-48c9-9648-4a366109fc3a@api.steamsale.ir:443?path=%2FX0PX5Vup1qlVVzhxp6ic50a&security=tls&alpn=http%2F1.1&encryption=none&insecure=0&host=mtn.vpsmee.ir&fp=chrome&type=ws&allowInsecure=0&sni=cdn.vpsmee.ir#@chthxyz - 28

3
internal/config/config.go
View File

@@ -24,6 +24,9 @@ type Config struct {
OutputPath string `envconfig:"OUTPUT_PATH" default:"valid.jsonl"` OutputPath string `envconfig:"OUTPUT_PATH" default:"valid.jsonl"`
GeoIPPath string `envconfig:"GEOIP_PATH" default:"GeoLite2-Country.mmdb"` GeoIPPath string `envconfig:"GEOIP_PATH" default:"GeoLite2-Country.mmdb"`
TxtOutputPath string `envconfig:"TXT_OUTPUT_PATH" default:"valid.txt"` TxtOutputPath string `envconfig:"TXT_OUTPUT_PATH" default:"valid.txt"`
AliveOutputPath string `envconfig:"ALIVE_OUTPUT_PATH" default:"alive.jsonl"`
AliveTxtOutputPath string `envconfig:"ALIVE_TXT_OUTPUT_PATH" default:"alive.txt"`
DatasetOutputPath string `envconfig:"DATASET_OUTPUT_PATH" default:"dataset.jsonl"`
} }
// Load reads .env and processes environment variables // Load reads .env and processes environment variables

9
internal/dedup/filter.go
View File

@@ -3,6 +3,7 @@ package dedup
import ( import (
"fmt" "fmt"
"sync" "sync"
"find-me-internet/internal/model"
) )
type Filter struct { type Filter struct {
@@ -16,9 +17,11 @@ func New() *Filter {
} }
} }
// Check returns true if the item is NEW (not seen before) // Seen checks if the proxy is new.
func (f *Filter) Seen(address string, port int) bool { // Key format: "vless://1.2.3.4:443"
key := fmt.Sprintf("%s:%d", address, port) // This allows the same IP to be scanned again if it uses a different protocol.
func (f *Filter) Seen(p *model.Proxy) bool {
key := fmt.Sprintf("%s://%s:%d", p.Type, p.Address, p.Port)
f.mu.RLock() f.mu.RLock()
_, exists := f.seen[key] _, exists := f.seen[key]

49
internal/filter/network.go
View File

@@ -2,7 +2,6 @@ package filter
import ( import (
"crypto/tls" "crypto/tls"
"log/slog"
"net" "net"
"strconv" "strconv"
"time" "time"
@@ -18,53 +17,46 @@ func NewPipeline(timeout time.Duration) *Pipeline {
return &Pipeline{Timeout: timeout} return &Pipeline{Timeout: timeout}
} }
// Check performs cheap checks and updates the Proxy model with results.
// Returns true ONLY if all checks pass.
func (f *Pipeline) Check(p *model.Proxy) bool { func (f *Pipeline) Check(p *model.Proxy) bool {
target := net.JoinHostPort(p.Address, strconv.Itoa(p.Port)) // 1. TCP Check
log := slog.With("target", target, "protocol", p.Type)
// 1. TCP Connectivity
start := time.Now()
if !f.checkTCP(p) { if !f.checkTCP(p) {
log.Debug("tcp_connect_failed", "duration", time.Since(start))
p.IsOnline = false p.IsOnline = false
p.Status = "dead"
p.FailureStage = "filter"
p.FailureReason = "tcp_timeout_or_refused"
return false return false
} }
p.IsOnline = true p.IsOnline = true
// 2. TLS Handshake // 2. TLS Check
// Only proceed if protocol supports/requires TLS // Determine if TLS is required
shouldCheckTLS := p.SNI != "" || p.Port == 443 || p.Type == model.TypeVLESS || p.Type == model.TypeTrojan shouldCheckTLS := p.SNI != "" || p.Port == 443 || p.Type == model.TypeVLESS || p.Type == model.TypeTrojan
if shouldCheckTLS { if shouldCheckTLS {
sni := p.SNI sni := p.SNI
if sni == "" { if sni == "" { sni = p.Address }
sni = p.Address // Fallback for handshake
}
startTLS := time.Now()
if !f.checkTLS(p, sni) { if !f.checkTLS(p, sni) {
log.Debug("tls_handshake_failed",
"sni", sni,
"duration", time.Since(startTLS),
)
p.IsTLSSecure = false p.IsTLSSecure = false
p.Status = "dead"
p.FailureStage = "filter"
p.FailureReason = "tls_handshake_failed"
return false return false
} }
p.IsTLSSecure = true p.IsTLSSecure = true
log.Debug("network_checks_passed", "duration", time.Since(start))
} else {
log.Debug("network_checks_passed", "note", "tls_skipped_no_sni")
} }
// If we got here, it passed the filter stage
p.FailureStage = "none"
return true return true
} }
func (f *Pipeline) checkTCP(p *model.Proxy) bool { func (f *Pipeline) checkTCP(p *model.Proxy) bool {
address := net.JoinHostPort(p.Address, strconv.Itoa(p.Port)) address := net.JoinHostPort(p.Address, strconv.Itoa(p.Port))
conn, err := net.DialTimeout("tcp", address, f.Timeout) conn, err := net.DialTimeout("tcp", address, f.Timeout)
if err != nil { if err != nil { return false }
return false
}
conn.Close() conn.Close()
return true return true
} }
@@ -72,16 +64,9 @@ func (f *Pipeline) checkTCP(p *model.Proxy) bool {
func (f *Pipeline) checkTLS(p *model.Proxy, sni string) bool { func (f *Pipeline) checkTLS(p *model.Proxy, sni string) bool {
address := net.JoinHostPort(p.Address, strconv.Itoa(p.Port)) address := net.JoinHostPort(p.Address, strconv.Itoa(p.Port))
dialer := &net.Dialer{Timeout: f.Timeout} dialer := &net.Dialer{Timeout: f.Timeout}
conf := &tls.Config{InsecureSkipVerify: true, ServerName: sni}
conf := &tls.Config{
InsecureSkipVerify: true,
ServerName: sni,
}
conn, err := tls.DialWithDialer(dialer, "tcp", address, conf) conn, err := tls.DialWithDialer(dialer, "tcp", address, conf)
if err != nil { if err != nil { return false }
return false
}
conn.Close() conn.Close()
return true return true
} }

31
internal/model/proxy.go
View File

@@ -2,7 +2,6 @@ package model
import "time" import "time"
// ProxyType defines the protocol (vless, vmess, etc.)
type ProxyType string type ProxyType string
const ( const (
@@ -13,25 +12,25 @@ const (
TypeUnknown ProxyType = "unknown" TypeUnknown ProxyType = "unknown"
) )
// Proxy represents a single internet access point
type Proxy struct { type Proxy struct {
// Identity // --- Identity ---
RawLink string `json:"link"` RawLink string `json:"link"`
Type ProxyType `json:"type"` Type ProxyType `json:"type"`
Address string `json:"address"`
Port int `json:"port"`
Network string `json:"network"`
SNI string `json:"sni"`
// Connection Details // --- Enrichment ---
Address string `json:"address"` // IP or Domain Country string `json:"country"` // e.g., "US", "IR", "DE"
Port int `json:"port"`
UUID string `json:"uuid"` // Or Password
SNI string `json:"sni"` // TLS Server Name Indicator
Network string `json:"network"` // tcp, ws, grpc, h2
// Filter Stage Results // --- Metrics ---
IsOnline bool `json:"is_online"` // TCP Connect success
IsTLSSecure bool `json:"is_tls_secure"` // TLS Handshake success
// Tester Stage Results
Latency time.Duration `json:"latency_ms"` Latency time.Duration `json:"latency_ms"`
Country string `json:"country_code"` IsOnline bool `json:"is_online"` // TCP Connect Status
PacketLoss float64 `json:"packet_loss"` // 0.0 to 1.0 IsTLSSecure bool `json:"is_tls_secure"` // TLS Handshake Status
// --- Data Collection (The fields you want filled) ---
Status string `json:"status"` // "valid", "alive", "dead"
FailureStage string `json:"failure_stage"` // "filter", "tester", "none"
FailureReason string `json:"failure_reason"` // "tcp_timeout", "http_502", "tls_error", etc.
} }

23
internal/tester/runner.go
View File

@@ -71,17 +71,20 @@ func (r *Runner) Test(p *model.Proxy) error {
} }
// 5. HTTP Probe // 5. HTTP Probe
startProbe := time.Now()
latency, err := r.measureLatency(port) latency, err := r.measureLatency(port)
if err != nil { if err != nil {
log.Debug("http_probe_failed", // SET THE MODEL VALUES HERE
"duration", time.Since(startProbe), p.Status = "alive" // It passed TCP, so it's "alive" but failed the test
"error", err, p.FailureStage = "tester"
) p.FailureReason = err.Error() // e.g., "http_timeout" or "status_502"
return err return err
} }
// Success
p.Latency = latency p.Latency = latency
p.Status = "valid"
p.FailureStage = "none"
p.FailureReason = "none"
return nil return nil
} }
@@ -95,15 +98,17 @@ func (r *Runner) measureLatency(port int) (time.Duration, error) {
Timeout: r.Timeout, Timeout: r.Timeout,
} }
start := time.Now() start := time.Now()
resp, err := client.Get(r.TestURL) resp, err := client.Get(r.TestURL)
if err != nil { if err != nil {
return 0, err // Return specific error string for the model
return 0, fmt.Errorf("http_timeout_or_network_error")
} }
defer resp.Body.Close() defer resp.Body.Close()
if resp.StatusCode < 200 || resp.StatusCode > 299 { if resp.StatusCode < 200 || resp.StatusCode > 299 {
return 0, fmt.Errorf("unexpected_status_code_%d", resp.StatusCode) // Return specific status code error
return 0, fmt.Errorf("http_error_%d", resp.StatusCode)
} }
return time.Since(start), nil return time.Since(start), nil