static void luv_connect_cb(uv_connect_t* req, int status) {
lua_State* L = luv_state(req->handle->loop);
luv_status(L, status);
luv_fulfill_req(L, req->data, 1);
luv_cleanup_req(L, req->data);
req->data = NULL;
}
static void luv_poll_cb(uv_poll_t* handle, int status, int events) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = (luv_handle_t*)handle->data;
const char* evtstr;
if (status < 0) {
fprintf(stderr, "%s: %s\n", uv_err_name(status), uv_strerror(status));
lua_pushstring(L, uv_err_name(status));
}
else {
lua_pushnil(L);
}
switch (events) {
case UV_READABLE: evtstr = "r"; break;
case UV_WRITABLE: evtstr = "w"; break;
case UV_READABLE|UV_WRITABLE: evtstr = "rw"; break;
case UV_DISCONNECT: evtstr = "d"; break;
case UV_READABLE|UV_DISCONNECT: evtstr = "rd"; break;
case UV_WRITABLE|UV_DISCONNECT: evtstr = "wd"; break;
case UV_READABLE|UV_WRITABLE|UV_DISCONNECT: evtstr = "rwd"; break;
default: evtstr = ""; break;
}
lua_pushstring(L, evtstr);
luv_call_callback(L, data, LUV_POLL, 2);
}
static void exit_cb(uv_process_t* handle, int64_t exit_status, int term_signal) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = handle->data;
lua_pushinteger(L, exit_status);
lua_pushinteger(L, term_signal);
luv_call_callback(L, data, LUV_EXIT, 2);
}
static void svcdispatcher_end_cb(uv_async_t* handle) {
svc_dispatch_info *info = (svc_dispatch_info*)handle->data;
lua_State* L = luv_state(handle->loop);
/* Cleanup baton linked list */
svc_baton *svc_baton_it = gBatons;
while (svc_baton_it != NULL) {
svc_baton *old = svc_baton_it;
svc_baton_it = svc_baton_it->next;
svc_destroy_baton(L, old);
}
uv_close((uv_handle_t*)&info->end_async_handle, NULL);
gBatons = NULL;
lua_rawgeti(L, LUA_REGISTRYINDEX, info->lua_cb_ref);
lua_pushboolean(L, info->return_code);
if (info->return_code) {
lua_pushnil(L);
}
else {
lua_pushinteger(L, info->error);
}
lua_call(L, 2, 0);
luaL_unref(L, LUA_REGISTRYINDEX, info->lua_cb_ref);
LocalFree(info->svc_table);
LocalFree(info);
}
static void luv_udp_send_cb(uv_udp_send_t* req, int status) {
lua_State* L = luv_state(req->handle->loop);
luv_status(L, status);
luv_fulfill_req(L, (luv_req_t*)req->data, 1);
luv_cleanup_req(L, (luv_req_t*)req->data);
req->data = NULL;
}
static void luv_close_cb(uv_handle_t* handle) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = handle->data;
if (!data) return;
luv_call_callback(L, data, LUV_CLOSED, 0);
luv_cleanup_handle(L, data);
handle->data = NULL;
}
static void svcmain_cb(uv_async_t* handle) {
lua_State* L = luv_state(handle->loop);
svc_baton* baton = handle->data;
lua_pushstring(L, "winsvc_error_cb");
lua_gettable(L, LUA_REGISTRYINDEX);
lua_rawgeti(L, LUA_REGISTRYINDEX, baton->lua_main_ref);
lua_newtable(L);
for (unsigned int i = 0; i < baton->dwArgc; i++) {
lua_pushnumber(L, i + 1); /* Push the table index */
lua_pushstring(L, baton->lpszArgv[i]); /* Push the cell value */
lua_rawset(L, -3); /* Stores the pair in the table */
}
lua_pushlightuserdata(L, baton);
lua_pcall(L, 2, 0, -4);
}
static void luv_udp_recv_cb(uv_udp_t* handle, ssize_t nread, const uv_buf_t* buf, const struct sockaddr* addr, unsigned flags) {
lua_State* L = luv_state(handle->loop);
// err
if (nread < 0) {
luv_status(L, nread);
}
else {
lua_pushnil(L);
}
// data
if (nread == 0) {
if (addr) {
lua_pushstring(L, "");
}
else {
lua_pushnil(L);
}
}
else if (nread > 0) {
lua_pushlstring(L, buf->base, nread);
}
else {
lua_pushnil(L);
}
if (buf) free(buf->base);
// address
if (addr) {
parse_sockaddr(L, (struct sockaddr_storage*)addr);
}
else {
lua_pushnil(L);
}
// flags
lua_newtable(L);
if (flags & UV_UDP_PARTIAL) {
lua_pushboolean(L, 1);
lua_setfield(L, -2, "partial");
}
luv_call_callback(L, (luv_handle_t*)handle->data, LUV_RECV, 4);
}
static void luv_getaddrinfo_cb(uv_getaddrinfo_t* req, int status, struct addrinfo* res) {
lua_State* L = luv_state(req->loop);
int nargs;
if (status < 0) {
luv_status(L, status);
nargs = 1;
}
else {
lua_pushnil(L);
luv_pushaddrinfo(L, res);
nargs = 2;
}
luv_fulfill_req(L, (luv_req_t*)req->data, nargs);
luv_cleanup_req(L, (luv_req_t*)req->data);
req->data = NULL;
if (res) uv_freeaddrinfo(res);
}
static void svchandler_cb(uv_async_t* handle) {
lua_State* L = luv_state(handle->loop);
svc_baton* baton = handle->data;
lua_pushstring(L, "winsvc_error_cb");
lua_gettable(L, LUA_REGISTRYINDEX);
lua_rawgeti(L, LUA_REGISTRYINDEX, baton->block.lua_cb_ref);
lua_pushinteger(L, baton->block.dwControl);
lua_pushinteger(L, baton->block.dwEventType);
lua_pushlightuserdata(L, baton->block.lpEventData);
lua_pushlightuserdata(L, baton->block.lpContext);
if (lua_pcall(L, 4, 1, -6) == 0) {
baton->block.return_code = luaL_checkint(L, -1);
}
else {
baton->block.return_code = ERROR;
}
SetEvent(baton->block.block_end_event);
}
static void luv_getnameinfo_cb(uv_getnameinfo_t* req, int status, const char* hostname, const char* service) {
lua_State* L = luv_state(req->loop);
int nargs;
if (status < 0) {
luv_status(L, status);
nargs = 1;
}
else {
lua_pushnil(L);
lua_pushstring(L, hostname);
lua_pushstring(L, service);
nargs = 3;
}
luv_fulfill_req(L, (luv_req_t*)req->data, nargs);
luv_cleanup_req(L, (luv_req_t*)req->data);
req->data = NULL;
}
static void luv_fs_event_cb(uv_fs_event_t* handle, const char* filename, int events, int status) {
lua_State* L = luv_state(handle->loop);
// err
luv_status(L, status);
// filename
lua_pushstring(L, filename);
// events
lua_newtable(L);
if (events & UV_RENAME) {
lua_pushboolean(L, 1);
lua_setfield(L, -2, "rename");
}
if (events & UV_CHANGE) {
lua_pushboolean(L, 1);
lua_setfield(L, -2, "change");
}
luv_call_callback(L, handle->data, LUV_FS_EVENT, 3);
}
static void luv_fs_cb(uv_fs_t* req) {
lua_State* L = luv_state(req->loop);
int nargs = push_fs_result(L, req);
if (nargs == 2 && lua_isnil(L, -nargs)) {
// If it was an error, convert to (err, value) format.
lua_remove(L, -nargs);
nargs--;
}
else {
// Otherwise insert a nil in front to convert to (err, value) format.
lua_pushnil(L);
lua_insert(L, -nargs - 1);
nargs++;
}
luv_fulfill_req(L, req->data, nargs);
if (req->fs_type != UV_FS_SCANDIR) {
luv_cleanup_req(L, req->data);
req->data = NULL;
uv_fs_req_cleanup(req);
}
}
static void luv_read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
lua_State* L = luv_state(handle->loop);
int nargs;
if (nread > 0) {
lua_pushnil(L);
lua_pushlstring(L, buf->base, nread);
nargs = 2;
}
free(buf->base);
if (nread == 0) return;
if (nread == UV_EOF) {
nargs = 0;
}
else if (nread < 0) {
luv_status(L, nread);
nargs = 1;
}
luv_call_callback(L, handle->data, LUV_READ, nargs);
}
static void luv_fs_poll_cb(uv_fs_poll_t* handle, int status, const uv_stat_t* prev, const uv_stat_t* curr) {
lua_State* L = luv_state(handle->loop);
// err
luv_status(L, status);
// prev
if (prev) {
luv_push_stats_table(L, prev);
}
else {
lua_pushnil(L);
}
// curr
if (curr) {
luv_push_stats_table(L, curr);
}
else {
lua_pushnil(L);
}
luv_call_callback(L, handle->data, LUV_FS_POLL, 3);
}
static void luv_signal_cb(uv_signal_t* handle, int signum) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = handle->data;
lua_pushstring(L, luv_sig_num_to_string(signum));
luv_call_callback(L, data, LUV_SIGNAL, 1);
}
static void luv_spawn_close_cb(uv_handle_t* handle) {
lua_State *L = luv_state(handle->loop);
luv_cleanup_handle(L, handle->data);
}
static void luv_idle_cb(uv_idle_t* handle) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = (luv_handle_t*)handle->data;
luv_call_callback(L, data, LUV_IDLE, 0);
}
static void luv_prepare_cb(uv_prepare_t* handle) {
lua_State* L = luv_state(handle->loop);
luv_handle_t* data = handle->data;
luv_call_callback(L, data, LUV_PREPARE, 0);
}
static void luv_connection_cb(uv_stream_t* handle, int status) {
lua_State* L = luv_state(handle->loop);
luv_status(L, status);
luv_call_callback(L, handle->data, LUV_CONNECTION, 1);
}
