123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
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/*
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* nixio - Linux I/O library for lua
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*
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* Copyright (C) 2009 Steven Barth <steven@midlink.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "nixio.h"
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#include <string.h>
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#ifndef __WINNT__
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#include <syslog.h>
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static int nixio_openlog(lua_State *L) {
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int option = 0, facility = LOG_USER;
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const char *ident = luaL_optstring(L, 1, "nixio");
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const int j = lua_gettop(L);
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for (int i=2; i<=j; i++) {
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const char *flag = luaL_checkstring(L, i);
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if (!strcmp(flag, "cons")) {
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option |= LOG_CONS;
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} else if (!strcmp(flag, "nowait")) {
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option |= LOG_NOWAIT;
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} else if (!strcmp(flag, "pid")) {
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option |= LOG_PID;
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} else if (!strcmp(flag, "perror")) {
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#ifdef LOG_PERROR
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option |= LOG_PERROR;
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#endif
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} else if (!strcmp(flag, "ndelay")) {
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option |= LOG_NDELAY;
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} else if (!strcmp(flag, "odelay")) {
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option |= LOG_ODELAY;
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} else {
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return luaL_argerror(L, i,
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"supported values: cons, nowait, pid, perror, ndelay, odelay");
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}
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}
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openlog(ident, option, facility);
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return 0;
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}
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static int nixio_closelog(lua_State *L) {
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closelog();
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return 0;
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}
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static int nixio__syslogmask(lua_State *L, int dolog) {
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int priority;
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const char *flag = luaL_checkstring(L, 1);
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if (!strcmp(flag, "emerg")) {
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priority = LOG_EMERG;
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} else if (!strcmp(flag, "alert")) {
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priority = LOG_ALERT;
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} else if (!strcmp(flag, "crit")) {
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priority = LOG_CRIT;
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} else if (!strcmp(flag, "err")) {
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priority = LOG_ERR;
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} else if (!strcmp(flag, "warning")) {
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priority = LOG_WARNING;
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} else if (!strcmp(flag, "notice")) {
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priority = LOG_NOTICE;
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} else if (!strcmp(flag, "info")) {
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priority = LOG_INFO;
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} else if (!strcmp(flag, "debug")) {
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priority = LOG_DEBUG;
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} else {
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return luaL_argerror(L, 1, "supported values: emerg, alert, crit, err, "
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"warning, notice, info, debug");
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}
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if (dolog) {
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const char *msg = luaL_checkstring(L, 2);
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syslog(priority, "%s", msg);
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} else {
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setlogmask(LOG_UPTO(priority));
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}
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return 0;
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}
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static int nixio_setlogmask(lua_State *L) {
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return nixio__syslogmask(L, 0);
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}
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static int nixio_syslog(lua_State *L) {
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return nixio__syslogmask(L, 1);
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}
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/* module table */
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static const luaL_reg R[] = {
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{"openlog", nixio_openlog},
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{"syslog", nixio_syslog},
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{"setlogmask", nixio_setlogmask},
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{"closelog", nixio_closelog},
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{NULL, NULL}
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};
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void nixio_open_syslog(lua_State *L) {
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luaL_register(L, NULL, R);
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}
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#else /* __WINNT__ */
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void nixio_open_syslog(lua_State *L) {
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}
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#endif /* __WINNT__ */
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