libsmb: Implement smbc_notify

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jul 10 09:35:13 CEST 2015 on sn-devel-104

examples/libsmbclient/testnotify.c

@@ -0,0 +1,78 @@
+#include <sys/types.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+#include <libsmbclient.h>
+#include <inttypes.h>
+#include "get_auth_data_fn.h"
+
+static int notify_cb(const struct smbc_notify_callback_action *actions,
+		     size_t num_actions, void *private_data)
+{
+	int *count = private_data;
+	size_t i;
+
+	printf("%zu\n", num_actions);
+
+	for (i=0; i<num_actions; i++) {
+		const struct smbc_notify_callback_action *a = &actions[i];
+		printf("%s: %"PRIu32"\n", a->filename, a->action);
+	}
+
+	*count -= 1;
+	if (*count < 0) {
+		return 1;
+	}
+
+	return 0;
+}
+
+int main(int argc, char * argv[])
+{
+	int             fd;
+	int             ret;
+	int             debug = 0;
+	int             saved_errno;
+	char            path[2048];
+	char *          p;
+	int count = 1000;
+
+	smbc_init(get_auth_data_fn, debug);
+
+	fprintf(stdout, "Path: ");
+	*path = '\0';
+	fgets(path, sizeof(path) - 1, stdin);
+	if (strlen(path) == 0) {
+		return 0;
+	}
+
+	p = path + strlen(path) - 1;
+	if (*p == '\n')	{
+		*p = '\0';
+	}
+
+	fd = smbc_opendir(path);
+	if (fd < 0) {
+		perror("smbc_open");
+		return 1;
+	}
+
+	ret = smbc_notify(fd, 1,
+			  SMBC_NOTIFY_CHANGE_SECURITY|
+			  SMBC_NOTIFY_CHANGE_FILE_NAME,
+			  1000, notify_cb, &count);
+	if (ret < 0) {
+		saved_errno = errno;
+	}
+
+	smbc_close(fd);
+
+	if (ret < 0) {
+		errno = saved_errno;
+		perror("notify");
+	}
+
+	return 0;
+}