Initial import

[samba] / source / libsmb / clioplock.c

diff --git a/source/libsmb/clioplock.c b/source/libsmb/clioplock.c
new file mode 100644 (file)
index 0000000..037d714
--- /dev/null
+++ b/source/libsmb/clioplock.c
@@ -0,0 +1,66 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB client oplock functions
+   Copyright (C) Andrew Tridgell 2001
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/****************************************************************************
+send an ack for an oplock break request
+****************************************************************************/
+BOOL cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
+{
+       char *oldbuf = cli->outbuf;
+       pstring buf;
+       BOOL ret;
+
+       cli->outbuf = buf;
+
+        memset(buf,'\0',smb_size);
+        set_message(buf,8,0,True);
+
+        SCVAL(buf,smb_com,SMBlockingX);
+       SSVAL(buf,smb_tid, cli->cnum);
+        cli_setup_packet(cli);
+       SSVAL(buf,smb_vwv0,0xFF);
+       SSVAL(buf,smb_vwv1,0);
+       SSVAL(buf,smb_vwv2,fnum);
+       if (level == 1)
+               SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
+       else
+               SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
+       SIVAL(buf,smb_vwv4,0); /* timoeut */
+       SSVAL(buf,smb_vwv6,0); /* unlockcount */
+       SSVAL(buf,smb_vwv7,0); /* lockcount */
+
+        ret = cli_send_smb(cli);       
+
+       cli->outbuf = oldbuf;
+
+       return ret;
+}
+
+
+/****************************************************************************
+set the oplock handler for a connection
+****************************************************************************/
+void cli_oplock_handler(struct cli_state *cli, 
+                       BOOL (*handler)(struct cli_state *, int, unsigned char))
+{
+       cli->oplock_handler = handler;
+}