add syslog

1 files changed, 71 insertions, 1 deletions

diff --git a/luxio.c b/luxio.c
index d3c2de5..5be8e23 100644
--- a/luxio.c
+++ b/luxio.c
@@ -40,6 +40,7 @@
 #include <time.h>
 #include <limits.h>
 #include <signal.h>
+#include <syslog.h>
 
 #ifdef HAVE_SENDFILE
 # include <sys/sendfile.h>
@@ -3007,6 +3008,71 @@ luxio_strerror(lua_State *L)
 	return 1;
 }
 
+static char *luxio_openlog_ident = NULL;
+
+static int
+luxio_openlog(lua_State *L)
+{
+	size_t len;
+	const char *ident = luaL_checklstring(L, 1, &len);
+	int option = luaL_checkint(L, 2);
+	int facility = luaL_checkint(L, 3);
+
+	/* openlog doesn't make its own copy of ident 
+	 * and lua could garbage collect ident
+	 * so take a copy of ident
+	 */
+	free(luxio_openlog_ident);
+	luxio_openlog_ident = malloc(len);
+	strncpy(luxio_openlog_ident, ident, len);
+
+	openlog(ident, option, facility);
+
+	return 0;
+}
+
+static int
+luxio_syslog(lua_State *L)
+{
+	int priority = luaL_checkint(L, 1);
+	const char *msg = luaL_checkstring(L, 2);
+
+	syslog(priority, "%s", msg);
+
+	return 0;
+}
+
+static int
+luxio_closelog(lua_State *L)
+{
+	free(luxio_openlog_ident);
+	closelog();
+
+	return 0;
+}
+
+static int
+luxio_setlogmask(lua_State *L)
+{
+	int mask = luaL_checkint(L, 1);
+
+	int oldmask = setlogmask(mask);
+	lua_pushinteger(L, oldmask);
+
+	return 1;
+}
+
+static int
+luxio_LOG_MASK(lua_State *L)
+{
+	int priority = luaL_checkint(L, 1);
+
+	int mask = LOG_MASK(priority);
+	lua_pushinteger(L, mask);
+
+	return 1;
+}
+
 static const struct luaL_Reg
 luxio_functions[] = {
 	{ "open", luxio_open },
@@ -3168,7 +3234,11 @@ luxio_functions[] = {
 	{ "mq_setattr", luxio_mq_setattr },
 	{ "mq_getattr", luxio_mq_getattr }, 
 #endif
-
+	{ "openlog", luxio_openlog },
+	{ "syslog", luxio_syslog },
+	{ "closelog", luxio_closelog },
+	{ "setlogmask", luxio_setlogmask },
+	{ "LOG_MASK", luxio_LOG_MASK },
 	{ NULL, NULL }
 };