trace url

trace-url

#!/bin/bash
#
# curl wrapper returning timing information.
# curl format adapted from
# http://digdeeply.org/archives/05102012.html
# Example usage:
#   $ trace-url http://www.apple.com
#   $ time trace-url http://www.apple.com -v
set -e

curl_format='{
 "content_type": %{content_type},
 "filename_effective": %{filename_effective},
 "http_code": %{http_code},
 "http_connect": %{http_connect},
 "local_ip": %{local_ip},
 "local_port": %{local_port},
 "num_connects": %{num_connects},
 "num_redirects": %{num_redirects},
 "redirect_url": %{redirect_url},
 "url_effective": %{url_effective},
 "remote_ip": %{remote_ip},
 "remote_port": %{remote_port},
 "size_download": %{size_download},
 "size_header": %{size_header},
 "size_request": %{size_request},
 "size_upload": %{size_upload},
 "speed_download": %{speed_download},
 "speed_upload": %{speed_upload},
 "ssl_verify_result": %{ssl_verify_result},
 "time_namelookup": %{time_namelookup},
 "time_connect": %{time_connect},
 "time_appconnect": %{time_appconnect},
 "time_pretransfer": %{time_pretransfer},
 "time_redirect": %{time_redirect},
 "time_starttransfer": %{time_starttransfer},
 "time_total": %{time_total}
}'
#exec curl --no-keepalive --no-sessionid --noproxy -s -o /dev/null -w "$curl_format\n" "$@" -v -L --trace-time  | awk '{
exec curl --no-keepalive --no-sessionid --noproxy -s -o /dev/null -w "$curl_format\n" "$@" -v -L 2>&1 | awk '
  function format_row(row)
  {
    split(row, row_info, ": ")
    info = row_info[2]
    return substr(info, 1, length(info) - 1)
  }
  function format_size(row)
  {
    return row / 1024" kb"
  }
  function format_speed(row)
  {
    return row / 1024" kb/s"
  }
  BEGIN{
    cache_hit = "";
  }
  {
  if (match($0,/< X-Cache/)) {
    if (match(tolower($0),/hit from/)) {
      getline
      split($0, cache_info, "<")
      cache_hit = cache_info[2]
    }
  }
  if (match($0,/local_ip/)) {
    print "local_ip: "format_row($0)
  }
  if (match($0,/remote_ip/)) {
    print "remote_ip: "format_row($0)
  }
  if (match($0,/size_download/)) {
    print "download_size: "format_size(format_row($0))
  }
  if (match($0,/speed_download/)) {
    print "download_speed: "format_speed(format_row($0))
  }
  if (match($0,/url_effective/)) {
    print "request_url: "format_row($0)
  }
  if (match($0,/time_total/)) {
    print "total_time: "format_row($0)"s"
  }
} END {
  if (cache_hit) {
    print "cache_hit: "cache_hit
  }
}'