{{define "title"}}Split pcap{{end}}

{{define "content"}}
{{with .Data}}
<h1>Split pcap</h1>
<p class="lead">
  Upload a pcap file and split it into several files by packet count or by file size.
  The parts are downloaded together as a zip.
  Packets are copied unchanged, and each part keeps the original file header.
</p>

{{if .Error}}<div class="error" role="alert">{{.Error}}</div>{{end}}

<form method="post" action="/split" enctype="multipart/form-data">
  <label for="file">pcap file <span class="hint">classic pcap, up to {{.MaxUpload}}. Convert pcapng with <code>editcap -F pcap</code></span></label>
  <input id="file" name="file" type="file" accept=".pcap,.cap,.dmp,application/vnd.tcpdump.pcap" required>

  <fieldset class="modes">
    <legend>Split by</legend>
    <label class="check">
      <input type="radio" name="mode" value="packets"{{if eq .Form.Mode "packets"}} checked{{end}}>
      At most
      <input name="packets" class="num" inputmode="numeric" value="{{.Form.Packets}}" aria-label="Packets per file">
      packets per file
    </label>
    <label class="check">
      <input type="radio" name="mode" value="size"{{if eq .Form.Mode "size"}} checked{{end}}>
      At most
      <input name="size" class="num" inputmode="decimal" value="{{.Form.Size}}" aria-label="Size per file">
      <select name="unit" class="unit" aria-label="Size unit">
        {{range .Units}}<option{{if eq . $.Data.Form.Unit}} selected{{end}}>{{.}}</option>{{end}}
      </select>
      per file
      <span class="hint">1 MB = 1,000,000 bytes. A packet bigger than this gets a file to itself.</span>
    </label>
  </fieldset>

  <p class="note">
    At most {{.MaxParts}} output files. If the capture ends with a truncated packet, that packet is dropped.
  </p>

  <div class="actions">
    <button type="submit" class="primary">Split and download zip</button>
  </div>
</form>
{{end}}
{{end}}