File size: 3,861 Bytes
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import (
"encoding/json"
"errors"
"fmt"
"net"
"net/url"
"os"
"sort"
"strings"
)
func parseSSEFrames(body []byte) ([]map[string]any, bool) {
lines := strings.Split(string(body), "\n")
frames := make([]map[string]any, 0, len(lines))
done := false
for _, line := range lines {
line = strings.TrimSpace(line)
if !strings.HasPrefix(line, "data:") {
continue
}
payload := strings.TrimSpace(strings.TrimPrefix(line, "data:"))
if payload == "" {
continue
}
if payload == "[DONE]" {
done = true
continue
}
var m map[string]any
if err := json.Unmarshal([]byte(payload), &m); err == nil {
frames = append(frames, m)
}
}
return frames, done
}
func parseClaudeStreamEvents(body []byte) []string {
events := []string{}
seen := map[string]bool{}
lines := strings.Split(string(body), "\n")
for _, line := range lines {
line = strings.TrimSpace(line)
if !strings.HasPrefix(line, "data:") {
continue
}
payload := strings.TrimSpace(strings.TrimPrefix(line, "data:"))
if payload == "" {
continue
}
var m map[string]any
if err := json.Unmarshal([]byte(payload), &m); err != nil {
continue
}
t := asString(m["type"])
if t == "" || seen[t] {
continue
}
seen[t] = true
events = append(events, t)
}
return events
}
func extractModelIDs(body []byte) []string {
var m map[string]any
if err := json.Unmarshal(body, &m); err != nil {
return nil
}
out := []string{}
data, _ := m["data"].([]any)
for _, it := range data {
item, _ := it.(map[string]any)
id := asString(item["id"])
if id != "" {
out = append(out, id)
}
}
return out
}
func withTraceQuery(rawURL, traceID string) (string, error) {
u, err := url.Parse(rawURL)
if err != nil {
return "", err
}
q := u.Query()
q.Set("__trace_id", traceID)
u.RawQuery = q.Encode()
return u.String(), nil
}
func writeJSONFile(path string, v any) error {
b, err := json.MarshalIndent(v, "", " ")
if err != nil {
return err
}
return os.WriteFile(path, b, 0o644)
}
func prepareServerEnv(base []string, overrides map[string]string) []string {
out := make([]string, 0, len(base)+len(overrides))
skip := map[string]struct{}{}
for k := range overrides {
skip[k] = struct{}{}
}
for _, e := range base {
parts := strings.SplitN(e, "=", 2)
if len(parts) != 2 {
continue
}
if _, ok := skip[parts[0]]; ok {
continue
}
out = append(out, e)
}
for k, v := range overrides {
out = append(out, k+"="+v)
}
return out
}
func findFreePort() (int, error) {
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
return 0, err
}
defer func() { _ = ln.Close() }()
addr, ok := ln.Addr().(*net.TCPAddr)
if !ok {
return 0, errors.New("failed to detect tcp port")
}
return addr.Port, nil
}
func uniqueStatusCodes(in []responseLog) []int {
set := map[int]struct{}{}
for _, it := range in {
if it.StatusCode > 0 {
set[it.StatusCode] = struct{}{}
}
}
out := make([]int, 0, len(set))
for k := range set {
out = append(out, k)
}
sort.Ints(out)
return out
}
func has5xx(dist map[int]int) (int, bool) {
for k := range dist {
if k >= 500 {
return k, true
}
}
return 0, false
}
func sanitizeID(s string) string {
s = strings.ReplaceAll(s, ":", "_")
s = strings.ReplaceAll(s, "/", "_")
s = strings.ReplaceAll(s, " ", "_")
return s
}
func asString(v any) string {
if v == nil {
return ""
}
switch x := v.(type) {
case string:
return strings.TrimSpace(x)
default:
return strings.TrimSpace(fmt.Sprintf("%v", v))
}
}
func toInt(v any) int {
switch x := v.(type) {
case float64:
return int(x)
case float32:
return int(x)
case int:
return x
case int64:
return int(x)
default:
return 0
}
}
func contains(xs []string, target string) bool {
for _, x := range xs {
if x == target {
return true
}
}
return false
}
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