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>

1 files changed, 240 insertions, 0 deletions

diff --git a/libs/luci-lib-nixio/src/nixio.c b/libs/luci-lib-nixio/src/nixio.c
new file mode 100644
index 000000000..ae81c6f96
--- /dev/null
+++ b/libs/luci-lib-nixio/src/nixio.c
@@ -0,0 +1,240 @@
+/*
+ * 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 <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+
+#define VERSION 0.4
+
+
+/* pushes nil, error number and errstring on the stack */
+int nixio__perror(lua_State *L) {
+	if (errno == EAGAIN || errno == EWOULDBLOCK) {
+		lua_pushboolean(L, 0);
+	} else {
+		lua_pushnil(L);
+	}
+    lua_pushinteger(L, errno);
+    lua_pushstring(L, strerror(errno));
+    return 3;
+}
+
+/* pushes true, if operation succeeded, otherwise call nixio__perror */
+int nixio__pstatus(lua_State *L, int condition) {
+	if (condition) {
+		lua_pushboolean(L, 1);
+		return 1;
+	} else {
+		return nixio__perror(L);
+	}
+}
+
+/* checks whether the first argument is a socket and returns it */
+nixio_sock* nixio__checksock(lua_State *L) {
+    nixio_sock *sock = (nixio_sock*)luaL_checkudata(L, 1, NIXIO_META);
+    luaL_argcheck(L, sock->fd != -1, 1, "invalid socket object");
+    return sock;
+}
+
+/* read fd from nixio_sock object */
+int nixio__checksockfd(lua_State *L) {
+	return nixio__checksock(L)->fd;
+}
+
+/* return any possible fd, otherwise error out */
+int nixio__checkfd(lua_State *L, int ud) {
+	int fd = nixio__tofd(L, ud);
+	return (fd != -1) ? fd : luaL_argerror(L, ud, "invalid file descriptor");
+}
+
+/* return any possible fd */
+int nixio__tofd(lua_State *L, int ud) {
+	void *udata = lua_touserdata(L, ud);
+	int fd = -1;
+	if (lua_getmetatable(L, ud)) {
+		luaL_getmetatable(L, NIXIO_META);
+		luaL_getmetatable(L, NIXIO_FILE_META);
+		luaL_getmetatable(L, LUA_FILEHANDLE);
+		if (lua_rawequal(L, -3, -4)) {
+			fd = ((nixio_sock*)udata)->fd;
+		} else if (lua_rawequal(L, -2, -4)) {
+			fd = *((int*)udata);
+		} else if (lua_rawequal(L, -1, -4)) {
+			fd = (*((FILE **)udata)) ? fileno(*((FILE **)udata)) : -1;
+		}
+		lua_pop(L, 4);
+	}
+	return fd;
+}
+
+/* An empty iterator */
+int nixio__nulliter(lua_State *L) {
+	lua_pushnil(L);
+	return 1;
+}
+
+static int nixio_errno(lua_State *L) {
+	lua_pushinteger(L, errno);
+	return 1;
+}
+
+static int nixio_strerror(lua_State *L) {
+	lua_pushstring(L, strerror(luaL_checkinteger(L, 1)));
+	return 1;
+}
+
+/* object table */
+static const luaL_reg R[] = {
+	{"errno",		nixio_errno},
+	{"strerror",	nixio_strerror},
+	{NULL,			NULL}
+};
+
+/* entry point */
+NIXIO_API int luaopen_nixio(lua_State *L) {
+	/* create metatable */
+	luaL_newmetatable(L, NIXIO_META);
+
+	/* metatable.__index = metatable */
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -2, "__index");
+
+	/* register module */
+	luaL_register(L, "nixio", R);
+
+	/* register metatable as socket_meta */
+	lua_pushvalue(L, -2);
+	lua_setfield(L, -2, "meta_socket");
+
+	/* register methods */
+#ifdef __WINNT__
+	nixio_open__mingw(L);
+#endif
+	nixio_open_file(L);
+	nixio_open_socket(L);
+	nixio_open_sockopt(L);
+	nixio_open_bind(L);
+	nixio_open_address(L);
+	nixio_open_protoent(L);
+	nixio_open_poll(L);
+	nixio_open_io(L);
+	nixio_open_splice(L);
+	nixio_open_process(L);
+	nixio_open_syslog(L);
+	nixio_open_bit(L);
+	nixio_open_bin(L);
+	nixio_open_fs(L);
+	nixio_open_user(L);
+
+#ifndef NO_TLS
+	nixio_open_tls_crypto(L);
+	nixio_open_tls_context(L);
+	nixio_open_tls_socket(L);
+#endif
+
+	/* module version */
+	lua_pushinteger(L, VERSION);
+	lua_setfield(L, -2, "version");
+
+	/* some constants */
+	lua_newtable(L);
+
+	lua_pushliteral(L, NIXIO_SEP);
+	lua_setfield(L, -2, "sep");
+
+	lua_pushliteral(L, NIXIO_PATHSEP);
+	lua_setfield(L, -2, "pathsep");
+
+	lua_pushinteger(L, NIXIO_BUFFERSIZE);
+	lua_setfield(L, -2, "buffersize");
+
+	NIXIO_PUSH_CONSTANT(EACCES);
+	NIXIO_PUSH_CONSTANT(EINTR);
+	NIXIO_PUSH_CONSTANT(ENOSYS);
+	NIXIO_PUSH_CONSTANT(EINVAL);
+	NIXIO_PUSH_CONSTANT(EAGAIN);
+	NIXIO_PUSH_CONSTANT(ENOMEM);
+	NIXIO_PUSH_CONSTANT(ENOENT);
+	NIXIO_PUSH_CONSTANT(ECHILD);
+	NIXIO_PUSH_CONSTANT(EIO);
+	NIXIO_PUSH_CONSTANT(EBADF);
+	NIXIO_PUSH_CONSTANT(EFAULT);
+	NIXIO_PUSH_CONSTANT(EFBIG);
+	NIXIO_PUSH_CONSTANT(ENOSPC);
+	NIXIO_PUSH_CONSTANT(EPIPE);
+	NIXIO_PUSH_CONSTANT(ESPIPE);
+	NIXIO_PUSH_CONSTANT(EISDIR);
+	NIXIO_PUSH_CONSTANT(EPERM);
+	NIXIO_PUSH_CONSTANT(EEXIST);
+	NIXIO_PUSH_CONSTANT(EMFILE);
+	NIXIO_PUSH_CONSTANT(ENAMETOOLONG);
+	NIXIO_PUSH_CONSTANT(ENFILE);
+	NIXIO_PUSH_CONSTANT(ENODEV);
+	NIXIO_PUSH_CONSTANT(EXDEV);
+	NIXIO_PUSH_CONSTANT(ENOTDIR);
+	NIXIO_PUSH_CONSTANT(ENXIO);
+	NIXIO_PUSH_CONSTANT(EROFS);
+	NIXIO_PUSH_CONSTANT(EBUSY);
+	NIXIO_PUSH_CONSTANT(ESRCH);
+	NIXIO_PUSH_CONSTANT(SIGINT);
+	NIXIO_PUSH_CONSTANT(SIGTERM);
+	NIXIO_PUSH_CONSTANT(SIGSEGV);
+
+#ifndef __WINNT__
+	NIXIO_PUSH_CONSTANT(EALREADY);
+	NIXIO_PUSH_CONSTANT(EINPROGRESS);
+	NIXIO_PUSH_CONSTANT(EWOULDBLOCK);
+	NIXIO_PUSH_CONSTANT(ELOOP);
+	NIXIO_PUSH_CONSTANT(EOVERFLOW);
+	NIXIO_PUSH_CONSTANT(ETXTBSY);
+	NIXIO_PUSH_CONSTANT(EAFNOSUPPORT);
+	NIXIO_PUSH_CONSTANT(ENOBUFS);
+	NIXIO_PUSH_CONSTANT(EPROTONOSUPPORT);
+	NIXIO_PUSH_CONSTANT(ENOPROTOOPT);
+	NIXIO_PUSH_CONSTANT(EADDRINUSE);
+	NIXIO_PUSH_CONSTANT(ENETDOWN);
+	NIXIO_PUSH_CONSTANT(ENETUNREACH);
+
+	NIXIO_PUSH_CONSTANT(SIGALRM);
+	NIXIO_PUSH_CONSTANT(SIGKILL);
+	NIXIO_PUSH_CONSTANT(SIGHUP);
+	NIXIO_PUSH_CONSTANT(SIGSTOP);
+	NIXIO_PUSH_CONSTANT(SIGCONT);
+	NIXIO_PUSH_CONSTANT(SIGCHLD);
+	NIXIO_PUSH_CONSTANT(SIGQUIT);
+	NIXIO_PUSH_CONSTANT(SIGUSR1);
+	NIXIO_PUSH_CONSTANT(SIGUSR2);
+	NIXIO_PUSH_CONSTANT(SIGIO);
+	NIXIO_PUSH_CONSTANT(SIGURG);
+	NIXIO_PUSH_CONSTANT(SIGPIPE);
+
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -3, "const_sock");
+
+	signal(SIGPIPE, SIG_IGN);
+#endif /* !__WINNT__ */
+	lua_setfield(L, -2, "const");
+
+	/* remove meta table */
+	lua_remove(L, -2);
+
+	return 1;
+}