Developing lightweight computation at the DSG edge

  1. 06 Nov, 2018 5 commits
    • Cameron Sparr's avatar
      Set a random source seed to avoid ID conflicts · 9db3df4b
      Cameron Sparr authored
      closes #14
      closes #33
      9db3df4b
    • Lincoln Thurlow's avatar
      patch: compare identifier for non-root access icmp (#32) · 28a88d08
      Lincoln Thurlow authored
      Commit d046b245 introduces a bug which causes ping to always fail.
      The source of this bug is:
      
      ```
      	// Check if reply from same ID
      	body := m.Body.(*icmp.Echo)
      	if body.ID != p.id {
      		return nil
      	}
      ```
      
      Which due to the selection of p.id requires that SetPrivileged is
      set to true.  In the case where Privileged (i.e p.network == udp)
      it is left to the kernel to set the ICMP id.
      
      https://lwn.net/Articles/443051/  Discusses the introduction of
      non-setuid-less ping.  The kernel implementation for this
      interface dictates using the local port, which gets mapped into
      the ping_table struct.  There is no current implementation in the
      go icmp library to address this problem directly.
      
      To address this issue, I've added a `Tracker` field for `Pinger`
      as well as `IcmpData` datastructure to allow for uniquely tracking
      icmp requests.  The id (as with the `id` field) is not unique,
      but will statistically rare for duplicates.
      28a88d08
    • Ben Kochie's avatar
      Include adddress in Packet (#38) · 687023bd
      Ben Kochie authored
      Include the original address in the Packet type for use in
      `pinger.OnRecv()`.
      687023bd
    • Cameron Sparr's avatar
      Update sample code, README, and circle v2 (#42) · 74b9e0e9
      Cameron Sparr authored
      Update sample code, README, and circle v2
      74b9e0e9
    • Xie Zhenye's avatar
      remove signal handler, add Stop method (#10) · 667d0a66
      Xie Zhenye authored
      * remove signal handler, add Stop method
      
      * Added ICMP Packet ID to distinguish ICMP replies
      667d0a66
  2. 30 Aug, 2018 1 commit
  3. 29 Aug, 2018 3 commits
  4. 08 Feb, 2016 1 commit
  5. 07 Feb, 2016 1 commit
  6. 03 Feb, 2016 1 commit
  7. 01 Feb, 2016 6 commits