lsyncd.c

@@ -1,26 +1,70 @@
 #include "config.h"
+#define LUA_USE_APICHECK 1
+
+#ifdef HAVE_SYS_INOTIFY_H
+#  include <sys/inotify.h>
+#else
+#  include "inotify-nosys.h"
+#endif
+
+#include <errno.h>
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
 
+/**
+ * The inotify file descriptor.
+ */
+static int inotify_fd;
+
+
 /* the Lua interpreter */
 lua_State* L;
 
-int main (int argc, char *argv[])
-{
-	/* initialize Lua */
-	L = lua_open();
-	/* load Lua base libraries */
-	luaL_openlibs(L);
-	/* register our function */
-	/* lua_register(L, "average", average); */
-	/* run the script */
-	(void) luaL_dofile(L, "lsyncd.lua");
-	/* cleanup Lua */
-	lua_close(L);
-	/* pause */
-	printf( "Press enter to exit..." );
-	getchar();
+/**
+ * Adds a directory to be watched.
+ */
+static int attend_dir (lua_State *L) {
+	//lua_pushnumber(L, sin(luaL_checknumber(L, 1)));
+	printf("ATTEND_DIR\n");
+	return 0;
+}
+
+/**
+ * The lsyncd-lua interface
+ */
+static const luaL_reg lsyncd_lib[] = {
+    {"attend_dir",   attend_dir},
+    {NULL, NULL},
+};
+
+
+int main (int argc, char *argv[])
+{
+	/* load Lua */
+	L = lua_open();
+	luaL_openlibs(L);
+	luaL_register(L, "lsyncd", lsyncd_lib);
+
+	luaL_loadfile(L, "lsyncd.lua");
+	if (lua_pcall(L, 0, LUA_MULTRET, 0)) {
+		printf("error loading lsyncd.lua: %s\n", lua_tostring(L, -1));
+		return -1; // ERRNO
+	}
+
+	/* open inotify */
+    inotify_fd = inotify_init();
+    if (inotify_fd == -1) {
+        printf("Cannot create inotify instance! (%d:%s)",
+               errno, strerror(errno));
+        return -1; // ERRNO
+    }
+
+	close(inotify_fd);
+	lua_close(L);
 	return 0;
 }

lsyncd.lua

@@ -1,2 +1,5 @@
-print("Hello\n")
+print("Hello")
+lsyncd:attend_dir()
+print("Bye")
+