From d63d7249d457c1b4cecb9b5f9c5f1767ee1b0849 Mon Sep 17 00:00:00 2001
From: ericm <ericm>
Date: Mon, 1 Sep 2003 07:23:20 +0000
Subject: [PATCH] [liblustre]:  - add test for service side cancel client lock 
 - reorganize lltest

---
 lustre/liblustre/test_lock_cancel.c | 151 ++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 lustre/liblustre/test_lock_cancel.c

diff --git a/lustre/liblustre/test_lock_cancel.c b/lustre/liblustre/test_lock_cancel.c
new file mode 100644
index 0000000..d9d4b57
--- /dev/null
+++ b/lustre/liblustre/test_lock_cancel.c
@@ -0,0 +1,151 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Lustre Light user test program
+ *
+ *  Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre 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 Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define _BSD_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/queue.h>
+
+#include <sysio.h>
+#include <mount.h>
+
+#include <mpi.h>
+
+/******************************************************************************/
+/*
+ * MPI_CHECK will display a custom error message as well as an error string
+ * from the MPI_STATUS and then exit the program
+ */
+
+#define MPI_CHECK(MPI_STATUS, MSG) do {                                  \
+    char resultString[MPI_MAX_ERROR_STRING];                             \
+    int resultLength;                                                    \
+                                                                         \
+    if (MPI_STATUS != MPI_SUCCESS) {                                     \
+        fprintf(stdout, "** error **\n");                                \
+        fprintf(stdout, "ERROR in %s (line %d): %s.\n",                  \
+                __FILE__, __LINE__, MSG);                                \
+        MPI_Error_string(MPI_STATUS, resultString, &resultLength);       \
+        fprintf(stdout, "MPI %s\n", resultString);                       \
+        fprintf(stdout, "** exiting **\n");                              \
+        MPI_Abort(MPI_COMM_WORLD, 1);                                    \
+    }                                                                    \
+} while(0)
+
+int		numTasks     = 0,	/* MPI variables */
+		rank         = 0,
+		tasksPerNode = 0;	/* tasks per node */
+
+
+
+
+static char *test_file_name = "/mnt/lustre/test_lock_cancel";
+
+extern int portal_debug;
+extern int portal_subsystem_debug;
+extern void __liblustre_setup_(void);
+extern void __liblustre_cleanup_(void);
+
+int main(int argc, char *argv[])
+{
+	int fd;
+        long time1, time2;
+
+	MPI_CHECK(MPI_Init(&argc, &argv), "MPI_Init()");
+	MPI_CHECK(MPI_Comm_size(MPI_COMM_WORLD, &numTasks), "MPI_Comm_size");
+	MPI_CHECK(MPI_Comm_rank(MPI_COMM_WORLD, &rank), "MPI_Comm_rank");
+
+        if (numTasks < 2) {
+                printf("this demo can't run on single node!\n");
+                goto cleanup;
+        }
+
+        __liblustre_setup_();
+
+#if 1
+	portal_debug = 0;
+	portal_subsystem_debug = 0;
+#endif
+
+        if (rank == 0) {
+                unlink(test_file_name);
+        }
+
+        MPI_Barrier(MPI_COMM_WORLD);
+        if (rank == 1) {
+                printf("Node 1: creating file %s ...\n", test_file_name);
+                fflush(stdout);
+                fd = open(test_file_name, O_CREAT|O_RDWR, 0755);
+                if (fd < 0) {
+                        printf("Node %d: creat file err: %d", rank, fd);
+                        fflush(stdout);
+                        goto cleanup;
+                }
+                printf("Node %d: done create file\n", rank);
+                fflush(stdout);
+        } else {
+                printf("Node %d: waiting node 1 create file\n", rank);
+                fflush(stdout);
+        }
+
+        MPI_Barrier(MPI_COMM_WORLD);
+        
+        if (rank == 1) {
+                printf("Node 1: file has been created, abort excution here!!!!!!!\n");
+                fflush(stdout);
+                exit(0);
+        }
+        
+        sleep(1);
+        printf("Node %d: synced with Node 1. sleep 5 seconds...\n", rank);
+        fflush(stdout);
+        sleep(5);
+        printf("Node %d: wakeup from sleep. perform open()...\n", rank);
+        fflush(stdout);
+
+        time1 = time(NULL);
+        fd = open(test_file_name, O_RDWR);
+        if (fd < 0) {
+                printf("Node %d: error open existed file: %d\n", rank, fd);
+                fflush(stdout);
+                goto cleanup;
+        }
+        time2 = time(NULL);
+        printf("Node %d: successfully opened file, cost %ld seconds.\n",
+                rank, time2 - time1);
+        fflush(stdout);
+        close(fd);
+
+cleanup:
+        __liblustre_cleanup_();
+        printf("Node %d: end sucessfully.\n", rank);
+	return 0;
+}
-- 
1.8.3.1