diff options
author | Jo-Philipp Wich <jow@openwrt.org> | 2014-12-03 15:17:05 +0100 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2015-01-08 16:26:20 +0100 |
commit | 1bb4822dca6113f73e3bc89e2acf15935e6f8e92 (patch) | |
tree | 35e16f100466e4e00657199b38bb3d87d52bf73f /libs/nixio/src/io.c | |
parent | 9edd0e46c3f880727738ce8ca6ff1c8b85f99ef4 (diff) |
Rework LuCI build system
* Rename subdirectories to their repective OpenWrt package names
* Make each LuCI module its own standalone package
* Deploy a shared luci.mk which is used by each module Makefile
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
Diffstat (limited to 'libs/nixio/src/io.c')
-rw-r--r-- | libs/nixio/src/io.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/libs/nixio/src/io.c b/libs/nixio/src/io.c deleted file mode 100644 index 12d5c7df45..0000000000 --- a/libs/nixio/src/io.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * nixio - Linux I/O library for lua - * - * Copyright (C) 2009 Steven Barth <steven@midlink.org> - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "nixio.h" -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <sys/types.h> - - -/** - * send() / sendto() helper - */ -static int nixio_sock__sendto(lua_State *L, int to) { - nixio_sock *sock = nixio__checksock(L); - struct sockaddr_storage addr_in; -#ifndef __WINNT__ - struct sockaddr_un addr_un; -#endif - struct sockaddr *addr = NULL; - socklen_t alen = 0; - int argoff = 2; - - if (to) { - argoff += 2; - if (sock->domain == AF_INET || sock->domain == AF_INET6) { - const char *address = luaL_checkstring(L, 3); - addr = (struct sockaddr*)&addr_in; - alen = sizeof(addr_in); - - nixio_addr naddr; - memset(&naddr, 0, sizeof(naddr)); - strncpy(naddr.host, address, sizeof(naddr.host) - 1); - naddr.port = (uint16_t)luaL_checkinteger(L, 4); - naddr.family = sock->domain; - - if (nixio__addr_write(&naddr, addr)) { - return nixio__perror_s(L); - } - } - -#ifndef __WINNT__ - else if (sock->domain == AF_UNIX) { - size_t pathlen; - const char *path = luaL_checklstring(L, 3, &pathlen); - - addr_un.sun_family = AF_UNIX; - luaL_argcheck(L, pathlen <= sizeof(addr_un.sun_path), 3, "out of range"); - memcpy(addr_un.sun_path, path, pathlen); - - addr = (struct sockaddr*)&addr_un; - alen = sizeof(sa_family_t) + pathlen; - } -#endif - } - - size_t len; - ssize_t sent; - const char *data = luaL_checklstring(L, 2, &len); - - if (lua_gettop(L) > argoff) { - int offset = luaL_optint(L, argoff + 1, 0); - if (offset) { - if (offset < len) { - data += offset; - len -= offset; - } else { - len = 0; - } - } - - unsigned int wlen = luaL_optint(L, argoff + 2, len); - if (wlen < len) { - len = wlen; - } - } - - do { - sent = sendto(sock->fd, data, len, 0, addr, alen); - } while(sent == -1 && errno == EINTR); - if (sent >= 0) { - lua_pushinteger(L, sent); - return 1; - } else { - return nixio__perror_s(L); - } -} - -/** - * send(data) - */ -static int nixio_sock_send(lua_State *L) { - return nixio_sock__sendto(L, 0); -} - -/** - * sendto(data, address, port) - */ -static int nixio_sock_sendto(lua_State *L) { - return nixio_sock__sendto(L, 1); -} - - -/** - * recv() / recvfrom() helper - */ -static int nixio_sock__recvfrom(lua_State *L, int from) { - nixio_sock *sock = nixio__checksock(L); - char buffer[NIXIO_BUFFERSIZE]; - struct sockaddr_storage addr_in; -#ifndef __WINNT__ - struct sockaddr_un addr_un; -#endif - struct sockaddr *addr = NULL; - socklen_t alen = 0; - uint req = luaL_checkinteger(L, 2); - int readc; - - if (sock->domain == AF_INET || sock->domain == AF_INET6) { - addr = (from) ? (struct sockaddr*)&addr_in : NULL; - alen = (from) ? sizeof(addr_in) : 0; - } -#ifndef __WINNT__ - else if (sock->domain == AF_UNIX) { - addr = (from) ? (struct sockaddr*)&addr_un : NULL; - alen = (from) ? sizeof(addr_un) : 0; - } -#endif - - /* We limit the readsize to NIXIO_BUFFERSIZE */ - req = (req > NIXIO_BUFFERSIZE) ? NIXIO_BUFFERSIZE : req; - - do { - readc = recvfrom(sock->fd, buffer, req, 0, addr, &alen); - } while (readc == -1 && errno == EINTR); - -#ifdef __WINNT__ - if (readc < 0) { - int e = WSAGetLastError(); - if (e == WSAECONNRESET || e == WSAECONNABORTED || e == WSAESHUTDOWN) { - readc = 0; - } - } -#endif - - if (readc < 0) { - return nixio__perror_s(L); - } else { - lua_pushlstring(L, buffer, readc); - - if (!from) { - return 1; - } - /* push address. */ - if (sock->domain == AF_INET || sock->domain == AF_INET6) { - nixio_addr naddr; - if (!nixio__addr_parse(&naddr, (struct sockaddr *)&addr_in)) { - lua_pushstring(L, naddr.host); - lua_pushinteger(L, naddr.port); - return 3; - } else { - return 1; - } - } -#ifndef __WINNT__ - else if (sock->domain == AF_UNIX && alen > sizeof(sa_family_t)) { - /* if first char is non-null then the path is not in the - abstract namespace and alen includes the trailing null */ - if (addr_un.sun_path[0]) - --alen; - lua_pushlstring(L, addr_un.sun_path, alen - sizeof(sa_family_t)); - return 2; - } -#endif - } - return 1; -} - -/** - * recv(count) - */ -static int nixio_sock_recv(lua_State *L) { - return nixio_sock__recvfrom(L, 0); -} - -/** - * recvfrom(count) - */ -static int nixio_sock_recvfrom(lua_State *L) { - return nixio_sock__recvfrom(L, 1); -} - - -/* module table */ -static const luaL_reg M[] = { - {"send", nixio_sock_send}, - {"sendto", nixio_sock_sendto}, - {"recv", nixio_sock_recv}, - {"recvfrom",nixio_sock_recvfrom}, - {"write", nixio_sock_send}, - {"read", nixio_sock_recv}, - {NULL, NULL} -}; - -void nixio_open_io(lua_State *L) { - lua_pushvalue(L, -2); - luaL_register(L, NULL, M); - lua_pop(L, 1); -} |