Method PreProcessParents

src/proxy/ParentSelection.cc:388–437

}

void
ParentRecord::PreProcessParents(const char *val, const int line_num, char *buf, size_t len)
{
  char          *_val                       = ats_strndup(val, strlen(val));
  char           fqdn[TS_MAX_HOST_NAME_LEN] = {0}, *nm, *token, *savePtr;
  std::string    str;
  Machine       *machine             = Machine::instance();
  constexpr char PARENT_DELIMITERS[] = ";, ";
  HostStatus    &hs                  = HostStatus::instance();

  token = strtok_r(_val, PARENT_DELIMITERS, &savePtr);
  while (token != nullptr) {
    if ((nm = strchr(token, ':')) != nullptr) {
      size_t length = (nm - token);
      ink_assert(length < sizeof(fqdn));
      memset(fqdn, 0, sizeof(fqdn));
      strncpy(fqdn, token, length);
      if (self_detect && machine->is_self(std::string_view(fqdn))) {
        if (self_detect == 1) {
          Dbg(dbg_ctl_parent_select, "token: %s, matches this machine.  Removing self from parent list at line %d", fqdn, line_num);
          token = strtok_r(nullptr, PARENT_DELIMITERS, &savePtr);
          continue;
        } else {
          Dbg(dbg_ctl_parent_select, "token: %s, matches this machine.  Marking down self from parent list at line %d", fqdn,
              line_num);
          hs.setHostStatus(fqdn, TSHostStatus::TS_HOST_STATUS_DOWN, 0, Reason::SELF_DETECT);
        }
      }
    } else {
      if (self_detect && machine->is_self(std::string_view(token))) {
        if (self_detect == 1) {
          Dbg(dbg_ctl_parent_select, "token: %s, matches this machine.  Removing self from parent list at line %d", token,
              line_num);
          token = strtok_r(nullptr, PARENT_DELIMITERS, &savePtr);
          continue;
        } else {
          Dbg(dbg_ctl_parent_select, "token: %s, matches this machine.  Marking down self from parent list at line %d", token,
              line_num);
          hs.setHostStatus(token, TSHostStatus::TS_HOST_STATUS_DOWN, 0, Reason::SELF_DETECT);
        }
      }
    }

    str   += token;
    str   += ";";
    token  = strtok_r(nullptr, PARENT_DELIMITERS, &savePtr);
  }
  strncpy(buf, str.c_str(), len);
  ats_free(_val);
}

// const char* ParentRecord::ProcessParents(char* val, bool isPrimary)
//