static int lluv_tcp_getpeername(lua_State *L){
lluv_handle_t *handle = lluv_check_tcp(L, 1, LLUV_FLAG_OPEN);
struct sockaddr_storage sa; int sa_len = sizeof(sa);
int err = uv_tcp_getpeername(LLUV_H(handle, uv_tcp_t), (struct sockaddr*)&sa, &sa_len);
lua_settop(L, 1);
if(err < 0){
return lluv_fail(L, handle->flags, LLUV_ERR_UV, err, NULL);
}
return lluv_push_addr(L, &sa);
}
static void lluv_on_udp_recv_cb(uv_udp_t *arg, ssize_t nread, const uv_buf_t* buf, const struct sockaddr* addr, unsigned flags){
lluv_handle_t *handle = lluv_handle_byptr((uv_handle_t*)arg);
lua_State *L = LLUV_HCALLBACK_L(handle);
LLUV_CHECK_LOOP_CB_INVARIANT(L);
if((nread == 0) && (addr == NULL)){
/*
** The receive callback will be called with
** nread == 0 and addr == NULL when there is
** nothing to read
*/
lluv_free_buffer((uv_handle_t*)arg, buf);
return;
}
lua_rawgeti(L, LLUV_LUA_REGISTRY, LLUV_READ_CB(handle));
assert(!lua_isnil(L, -1));
lluv_handle_pushself(L, handle);
if(nread >= 0){
assert(addr);
lua_pushnil(L);
lua_pushlstring(L, buf->base, nread);
lluv_free_buffer((uv_handle_t*)arg, buf);
}
else{
lluv_free_buffer((uv_handle_t*)arg, buf);
/* The callee is responsible for stopping closing the stream
* when an error happens by calling uv_read_stop() or uv_close().
* Trying to read from the stream again is undefined.
*/
uv_udp_recv_stop(arg);
luaL_unref(L, LLUV_LUA_REGISTRY, LLUV_READ_CB(handle));
LLUV_READ_CB(handle) = LUA_NOREF;
lluv_error_create(L, LLUV_ERR_UV, (uv_errno_t)nread, NULL);
lua_pushnil(L);
lluv_handle_unlock(L, handle, LLUV_LOCK_READ);
}
lua_pushinteger(L, flags);
LLUV_HANDLE_CALL_CB(L, handle, 4 + lluv_push_addr(L, (const struct sockaddr_storage*)addr));
LLUV_CHECK_LOOP_CB_INVARIANT(L);
}
static int lluv_tcp_bind(lua_State *L){
static const lluv_uv_const_t FLAGS[] = {
{ UV_TCP_IPV6ONLY , "ipv6only" },
{ 0, NULL }
};
lluv_handle_t *handle = lluv_check_tcp(L, 1, LLUV_FLAG_OPEN);
struct sockaddr_storage sa; int err = lluv_check_addr(L, 2, &sa);
unsigned int flags = 0;
int top = lua_gettop(L);
if(top > 5)lua_settop(L, top = 5);
if((top > 4) || (!lua_isfunction(L, 4))){
flags = lluv_opt_flags_ui(L, 4, flags, FLAGS);
}
if(err < 0){
lua_checkstack(L, 3);
lua_pushvalue(L, 2); lua_pushliteral(L, ":"); lua_pushvalue(L, 3); lua_concat(L, 3);
if(!lua_isfunction(L, top)){
return lluv_fail(L, handle->flags, LLUV_ERR_UV, err, lua_tostring(L, -1));
}
lluv_error_create(L, LLUV_ERR_UV, err, lua_tostring(L, -1));
lua_remove(L, -2);
lua_pushvalue(L, 1);
lua_insert(L, -2);
lluv_loop_defer_call(L, lluv_loop_by_handle(&handle->handle), 2);
lua_settop(L, 1);
return 1;
}
err = uv_tcp_bind(LLUV_H(handle, uv_tcp_t), (struct sockaddr *)&sa, flags);
if(err < 0){
lua_checkstack(L, 3);
lua_pushvalue(L, 2); lua_pushliteral(L, ":"); lua_pushvalue(L, 3); lua_concat(L, 3);
if(!lua_isfunction(L, top)){
return lluv_fail(L, handle->flags, LLUV_ERR_UV, err, lua_tostring(L, -1));
}
lluv_error_create(L, LLUV_ERR_UV, err, lua_tostring(L, -1));
lua_remove(L, -2);
lua_pushvalue(L, 1);
lua_insert(L, -2);
lluv_loop_defer_call(L, lluv_loop_by_handle(&handle->handle), 2);
lua_settop(L, 1);
return 1;
}
if(lua_isfunction(L, top)){
lua_pushvalue(L, 1);
lua_pushnil(L);
lluv_loop_defer_call(L,
lluv_loop_by_handle(&handle->handle),
lluv_push_addr(L, &sa) + 2
);
}
lua_settop(L, 1);
return 1;
}