Function reloadUrlRewrite

src/proxy/ReverseProxy.cc:137–170

Called when the remap.config file changes. Since it called infrequently, we do the load of new file as blocking I/O and lock acquire is also blocking. */

*/
bool
reloadUrlRewrite()
{
  UrlRewrite *newTable, *oldTable;

  Note("%s loading ...", ts::filename::REMAP);
  Dbg(dbg_ctl_url_rewrite, "%s updated, reloading...", ts::filename::REMAP);
  newTable = new UrlRewrite();
  if (newTable->load()) {
    static const char *msg_format = "%s finished loading";

    // Hold at least one lease, until we reload the configuration
    newTable->acquire();

    // Swap configurations
    oldTable = ink_atomic_swap(&rewrite_table, newTable);

    ink_assert(oldTable != nullptr);

    // Release the old one
    oldTable->release();

    Dbg(dbg_ctl_url_rewrite, msg_format, ts::filename::REMAP);
    Note(msg_format, ts::filename::REMAP);
    return true;
  } else {
    static const char *msg_format = "%s failed to load";

    delete newTable;
    Dbg(dbg_ctl_url_rewrite, msg_format, ts::filename::REMAP);
    Error(msg_format, ts::filename::REMAP);
    return false;
  }
}

int
url_rewrite_CB(const char * /* name ATS_UNUSED */, RecDataT /* data_type ATS_UNUSED */, RecData data, void *cookie)