Function ts_lua_host_lookup

plugins/lua/ts_lua_misc.cc:493–528

}

static int
ts_lua_host_lookup(lua_State *L)
{
  const char        *host;
  size_t             host_len = 0;
  TSAction           action;
  TSCont             contp;
  ts_lua_async_item *ai;
  ts_lua_cont_info  *ci;

  ci = ts_lua_get_cont_info(L);
  if (ci == nullptr) {
    TSError("[ts_lua][%s] no cont info found", __FUNCTION__);
    TSReleaseAssert(!"Unexpected fetch of cont info");
    return 0;
  }

  if (lua_gettop(L) != 1) {
    TSError("[ts_lua][%s] ts.host_lookup need at least one parameter", __FUNCTION__);
    return 0;
  }

  host = luaL_checklstring(L, 1, &host_len);

  contp = TSContCreate(ts_lua_host_lookup_handler, ci->mutex);
  ai    = ts_lua_async_create_item(contp, ts_lua_host_lookup_cleanup, nullptr, ci);

  TSContDataSet(contp, ai);
  action = TSHostLookup(contp, host, host_len);
  if (!TSActionDone(action)) {
    ai->data = (void *)action;
    return lua_yield(L, 0);
  }

  return 1;
}

static int
ts_lua_host_lookup_handler(TSCont contp, TSEvent event, void *edata)