Commit 10d86f76 authored by Nick Mathewson's avatar Nick Mathewson 🥔
Browse files

r17558@catbus: nickm | 2008-01-10 13:07:41 -0500 

 If we do not serve v2 directory info, and our cached v2 networkstatus files are very old, remove them.  If the directory is old, remove that too.  (We already did this for obsolete routers files.)


svn:r13096
parent 2ac1e362

ChangeLog

+3 −0
Original line number Diff line number Diff line
@@ -18,6 +18,9 @@ Changes in version 0.2.0.16-alpha - 2008-01-?? 
      responses _and_ send a body too), there are still servers out there

      that haven't upgraded.  Therefore, make clients parse such bodies

      when they receive them.

    - When we're not serving v2 directory information, there is no reason

      to actually keep any around.  Remove the obsolete files and directory

      on startup if they are very old and we aren't going to serve them.



  o Minor performance improvements:

    - Reference-count and share copies of address policy entries; only

doc/TODO

+4 −4
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ R - let bridges set relaybandwidthrate as low as 5kb 
RK- make it easier to set up a private tor network on your own computer

    is very hard.

    - FAQ entry which is wrong

  - Make BEGIN_DIR mandatory for asking questions of bridge authorities?

  o Make BEGIN_DIR mandatory for asking questions of bridge authorities?

    (but only for bridge descriptors. not for ordinary cache stuff.)

    o Implement connection_dir_is_encrypted().

    o set up a filter to not answer any bridge descriptors on a
@@ -50,9 +50,9 @@ R - bridge communities 
      - be able to have bridges that aren't in your torrc



Things we'd like to do in 0.2.0.x:

N - if we notice a cached-status directory and we're not serving v2 dir

    info and it's old enough, delete it. same with cached-routers*.

    Nick says: don't we already do that?

  o if we notice a cached-status directory and we're not serving v2 dir

    info and it's old enough, delete it.

     o same with cached-routers*.

N - document the "3/4 and 7/8" business in the clients fetching consensus

    documents timeline.

R   - then document the bridge user download timeline.

src/or/networkstatus.c

+16 −2
Original line number Diff line number Diff line
@@ -122,15 +122,29 @@ router_reload_v2_networkstatus(void) 
  struct stat st;

  char *s;

  char *filename = get_datadir_fname("cached-status");

  int maybe_delete = !directory_caches_v2_dir_info(get_options());

  time_t now = time(NULL);

  if (!networkstatus_v2_list)

    networkstatus_v2_list = smartlist_create();



  entries = tor_listdir(filename);

  if (!entries) { /* dir doesn't exist */

    tor_free(filename);

    return 0;

  } else if (!smartlist_len(entries) && maybe_delete) {

    rmdir(filename);

    tor_free(filename);

  if (!entries) /* dir doesn't exist */

    return 0;

  }

  tor_free(filename);

  SMARTLIST_FOREACH(entries, const char *, fn, {

      char buf[DIGEST_LEN];

      if (maybe_delete) {

        filename = get_datadir_fname2("cached-status", fn);

        remove_file_if_very_old(filename, now);

        tor_free(filename);

        continue;

      }

      if (strlen(fn) != HEX_DIGEST_LEN ||

          base16_decode(buf, sizeof(buf), fn, strlen(fn))) {

        log_info(LD_DIR,