Jianhui Zhao
parent
f8148f2c85
commit
365e84fec3
example/lua
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@ -0,0 +1,59 @@
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#!/usr/bin/env lua
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--[[
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Copyright (C) 2017 Jianhui Zhao <jianhuizhao329@gmail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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USA
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--]]
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local uloop = require "uloop"
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local uh = require "uhttpd"
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local port = 8914
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uloop.init()
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print("uhttpd version:", uh.VERSION)
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local srv = uh.new(port)
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print("Listen on:", port)
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srv:add_action("/lua", function(cl, opt)
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uh.send_header(cl, 200, "OK", -1)
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uh.append_header(cl, "Myheader", "Hello")
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uh.header_end(cl)
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uh.chunk_send(cl, string.format("<h1>Hello Libuhttpd %s</h1>", uh.VERSION))
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uh.chunk_send(cl, string.format("<h1>REMOTE_ADDR: %s</h1>", opt.peer_addr))
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uh.chunk_send(cl, string.format("<h1>METHOD: %s</h1>", opt.method))
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uh.chunk_send(cl, string.format("<h1>HTTP Version: %s</h1>", opt.version))
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uh.chunk_send(cl, string.format("<h1>URL: %s</h1>", opt.url))
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uh.chunk_send(cl, string.format("<h1>QUERY: %s</h1>", opt.query))
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uh.chunk_send(cl, string.format("<h1>Body: %s</h1>", opt.body and opt.body or ""))
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for k, v in pairs(opt.vars) do
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uh.chunk_send(cl, string.format("<h1>%s: %s</h1>", k, v))
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end
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for k, v in pairs(opt.headers) do
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uh.chunk_send(cl, string.format("<h1>%s: %s</h1>", k, v))
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end
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uh.request_done(cl)
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end)
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uloop.run()
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@ -42,6 +42,8 @@ if (UHTTPD_LUA_SUPPORT)
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list(APPEND EXTRA_LIBS ${LUA_LIBRARY})
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list(APPEND SOURCE_FILES lua_template.c)
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add_subdirectory(lua)
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else ()
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set(UHTTPD_LUA_SUPPORT_CONFIG 0)
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endif ()
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@ -0,0 +1,10 @@
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include_directories(${CMAKE_SOURCE_DIR}/src)
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add_library(uhttpd-lua MODULE uhttpd-lua.c)
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set_target_properties(uhttpd-lua PROPERTIES OUTPUT_NAME uhttpd PREFIX "")
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target_link_libraries(uhttpd-lua uhttpd util)
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install(TARGETS uhttpd-lua
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LIBRARY DESTINATION lib/lua/${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}
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)
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@ -0,0 +1,274 @@
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/*
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* Copyright (C) 2017 Jianhui Zhao <jianhuizhao329@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#include <string.h>
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#include "uhttpd.h"
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#include "uhttpd-lua.h"
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static void *uh_create_userdata(lua_State *L, size_t size, const luaL_Reg *reg, lua_CFunction gc)
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{
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void *ret = lua_newuserdata(L, size);
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memset(ret, 0, size);
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lua_createtable(L, 0, 2);
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lua_pushvalue(L, -1);
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lua_setfield(L, -2, "__index");
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lua_pushcfunction(L, gc);
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lua_setfield(L, -2, "__gc");
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lua_pushvalue(L, -1);
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lua_setmetatable(L, -3);
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lua_pushvalue(L, -2);
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luaI_openlib(L, NULL, reg, 1);
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lua_pushvalue(L, -2);
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return ret;
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}
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static inline void add_all_var(struct uh_client *cl, lua_State *L)
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{
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const char *name, *value;
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lua_newtable(L);
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kvlist_for_each(&cl->request.var, name, value) {
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lua_pushstring(L, value);
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lua_setfield(L, -2, name);
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}
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lua_setfield(L, -2, "vars");
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}
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static inline void add_all_header(struct uh_client *cl, lua_State *L)
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{
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const char *name, *value;
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lua_newtable(L);
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kvlist_for_each(&cl->request.header, name, value) {
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lua_pushstring(L, value);
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lua_setfield(L, -2, name);
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}
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lua_setfield(L, -2, "headers");
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}
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static inline void add_body(struct uh_client *cl, lua_State *L)
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{
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int len;
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const char *body;
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body = cl->get_body(cl, &len);
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lua_pushlstring(L, body, len);
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lua_setfield(L, -2, "body");
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}
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static void lua_uh_action(struct uh_client *cl)
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{
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struct uh_server *srv = cl->srv;
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lua_State *L = srv->L;
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lua_getglobal(L, "__uh_action_cb");
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lua_getfield(L, -1, cl->get_path(cl));
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lua_pushlightuserdata(L, cl);
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lua_newtable(L);
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lua_pushstring(L, cl->get_peer_addr(cl));
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lua_setfield(L, -2, "peer_addr");
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lua_pushstring(L, cl->get_method(cl));
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lua_setfield(L, -2, "method");
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lua_pushstring(L, cl->get_version(cl));
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lua_setfield(L, -2, "version");
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lua_pushstring(L, cl->get_url(cl));
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lua_setfield(L, -2, "url");
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lua_pushstring(L, cl->get_query(cl));
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lua_setfield(L, -2, "query");
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add_body(cl, L);
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add_all_var(cl, L);
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add_all_header(cl, L);
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lua_call(L, 2, 0);
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}
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static int lua_uh_add_action(lua_State *L)
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{
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struct lua_uh_server *lsrv = lua_touserdata(L, 1);
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struct uh_server *srv = lsrv->srv;
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const char *path = lua_tostring(L, -2);
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if (!srv) {
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lua_pushstring(L, "Not initialized");
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lua_error(L);
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return 0;
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}
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if (!path || !path[0] || !lua_isfunction(L, -1)) {
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lua_pushstring(L, "invalid arg list");
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lua_error(L);
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return 0;
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}
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srv->add_action(srv, path, lua_uh_action);
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lua_getglobal(L, "__uh_action_cb");
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lua_pushvalue(L, -2);
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lua_setfield(L, -2, path);
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return 0;
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}
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static int lua_uh_server_free(lua_State *L)
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{
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struct lua_uh_server *lsrv = lua_touserdata(L, 1);
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if (lsrv->srv) {
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lsrv->srv->free(lsrv->srv);
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lsrv->srv = NULL;
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}
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return 0;
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}
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static const luaL_Reg server_mt[] = {
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{ "add_action", lua_uh_add_action },
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{ "free", lua_uh_server_free },
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{ NULL, NULL }
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};
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static int lua_uh_new(lua_State *L)
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{
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int port = lua_tointeger(L, -1);
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const char *address = lua_tostring(L, -2);
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struct lua_uh_server *lsrv;
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struct uh_server *srv;
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srv = uh_server_new(address, port);
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if (!srv) {
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lua_pushnil(L);
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lua_pushstring(L, "Bind failed");
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return 2;
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}
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lsrv = uh_create_userdata(L, sizeof(struct lua_uh_server), server_mt, lua_uh_server_free);
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lsrv->srv = srv;
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lsrv->srv->L = L;
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return 1;
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}
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static int lua_uh_send_header(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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int code = lua_tointeger(L, 2);
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const char *summary = lua_tostring(L, 3);
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int len = lua_tointeger(L, 4);
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cl->send_header(cl, code, summary, len);
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return 0;
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}
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static int lua_uh_append_header(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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const char *name = lua_tostring(L, 2);
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const char *value = lua_tostring(L, 2);
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cl->append_header(cl, name, value);
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return 0;
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}
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static int lua_uh_header_end(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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cl->header_end(cl);
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return 0;
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}
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static int lua_uh_send(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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const char *data;
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size_t len;
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data = lua_tolstring(L, 2, &len);
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cl->send(cl, data, len);
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return 0;
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}
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static int lua_uh_chunk_send(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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const char *data;
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size_t len;
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data = lua_tolstring(L, 2, &len);
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cl->chunk_send(cl, data, len);
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return 0;
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}
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static int lua_uh_request_done(lua_State *L)
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{
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struct uh_client *cl = lua_touserdata(L, 1);
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cl->request_done(cl);
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return 0;
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}
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static const luaL_Reg uhttpd_fun[] = {
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{"new", lua_uh_new},
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{"send_header", lua_uh_send_header},
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{"append_header", lua_uh_append_header},
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{"header_end", lua_uh_header_end},
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{"send", lua_uh_send},
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{"chunk_send", lua_uh_chunk_send},
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{"request_done", lua_uh_request_done},
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{NULL, NULL}
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};
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int luaopen_uhttpd(lua_State *L)
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{
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lua_createtable(L, 1, 0);
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lua_setglobal(L, "__uh_action_cb");
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lua_newtable(L);
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luaL_setfuncs(L, uhttpd_fun, 0);
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lua_pushstring(L, UHTTPD_VERSION_STRING);
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lua_setfield(L, -2, "VERSION");
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return 1;
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}
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@ -0,0 +1,43 @@
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/*
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* Copyright (C) 2017 Jianhui Zhao <jianhuizhao329@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef _UHTTPD_LUA_H
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#define _UHTTPD_LUA_H
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#include <lauxlib.h>
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#include <lualib.h>
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/* Compatibility defines */
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#if LUA_VERSION_NUM <= 501
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#define lua_setuservalue(L, i) lua_setfenv((L), (i))
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#define lua_getuservalue(L, i) lua_getfenv((L), (i))
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/* NOTE: this only works if nups == 0! */
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#define luaL_setfuncs(L, fns, nups) luaL_register((L), NULL, (fns))
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#define lua_rawlen(L, i) lua_objlen((L), (i))
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#endif
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struct lua_uh_server {
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struct uh_server *srv;
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};
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#endif
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