Changeset 933 for branches/client-3.0/src/smbwrp.c

Timestamp:

Jul 26, 2016, 11:47:31 AM (9 years ago)

Author:

Paul Smedley

Message:

Introduce smb_echo, used to confirm server connection is still active before trying a connection

File:

• branches/client-3.0/src/smbwrp.c (modified) (1 diff)

branches/client-3.0/src/smbwrp.c

@@ -1221 +1221 @@
 }
 
+/***************************************************** 
+Send an echo to the server to confirm it is still alive
+*******************************************************/
+int _System smbwrp_echo(cli_state * cli)
+{
+        debuglocal(4," smbwrp_echo\n");
+        unsigned char garbage[16];
+        NTSTATUS status;
+        if (!cli)
+        {
+                return maperror(EINVAL);
+        }
+        /* Ping the server to keep the connection alive using SMBecho. */
+        memset(garbage, 0xf0, sizeof(garbage));
+        unsigned int old_timeout = cli->timeout;
+        cli->timeout = 2000;// we don't want to wait 20 seconds
+        status = cli_echo(cli, 1, data_blob_const(garbage, sizeof(garbage)));
+        cli->timeout = old_timeout; // reset back to previous value
+        if (NT_STATUS_IS_OK(status)) {
+                return 0;
+        } else {
+                return -1;
+        }
+}