From cce5d7184c1166829e5fa18745c90526d036f145 Mon Sep 17 00:00:00 2001
From: hjp <hjp>
Date: Sun, 4 Jun 2000 15:53:19 +0000
Subject: [PATCH] Pre-Version. Options are still missing.

---
 ddm/GNUmakefile |  20 ++++++++
 ddm/ddm.c       | 119 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 139 insertions(+)
 create mode 100644 ddm/GNUmakefile
 create mode 100644 ddm/ddm.c

diff --git a/ddm/GNUmakefile b/ddm/GNUmakefile
new file mode 100644
index 0000000..79b20fe
--- /dev/null
+++ b/ddm/GNUmakefile
@@ -0,0 +1,20 @@
+# $Id: GNUmakefile,v 1.1 2000-06-04 15:53:18 hjp Exp $
+
+include GNUmakevars
+
+ddm: ddm.o
+	$(CC) $^ $(ANTLIB) -o $@
+
+clean:
+	rm ddm ddm.o
+
+install: $(SBINDIR)/ddm
+
+include GNUmakerules
+
+-include ddm.d
+
+# $Log: GNUmakefile,v $
+# Revision 1.1  2000-06-04 15:53:18  hjp
+# Pre-Version. Options are still missing.
+#
diff --git a/ddm/ddm.c b/ddm/ddm.c
new file mode 100644
index 0000000..b2d5adc
--- /dev/null
+++ b/ddm/ddm.c
@@ -0,0 +1,119 @@
+char ddm_c_rcs_id[] =
+    "$Id: ddm.c,v 1.1 2000-06-04 15:53:19 hjp Exp $";
+/* 
+ * ddm - disk delay monitor
+ *
+ * chdirs to a list of filesystems (mount points by default) and does
+ * the equivalent of an ls -l.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <dirent.h>
+#include <mntent.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+#include <ant/da.h>
+
+static double gettimestamp(void) {
+    struct timeval tm;
+
+    gettimeofday(&tm, NULL);
+    return tm.tv_sec + tm.tv_usec/1E6;
+}
+
+int main(int argc, char**argv) {
+    char **dirs = NULL;
+    char **entries = NULL;
+
+    for (;;) {
+	FILE *mtp;
+	struct mntent *me;
+	double ts; 
+	int i;
+	int nr_dirs;
+	int sleeptime;
+
+	/* Get list of directories 
+	 */
+	ts = gettimestamp();
+	fprintf(stderr, "%s: %.6f: open /etc/mtab\n", argv[0], ts);
+	if ((mtp = setmntent("/etc/mtab", "r")) == NULL) {
+	    fprintf(stderr, "%s: cannot open /etc/mtab: %s\n",
+		    argv[0], strerror(errno));
+	    exit(1);
+	}
+	for (i = 0;(me = getmntent(mtp)); i++) {
+	    DA_MKIND_INI(dirs, i, NULL);
+	    if (dirs[i]) free(dirs[i]);
+	    dirs[i] = strdup(me->mnt_dir);
+	    ts = gettimestamp();
+	    fprintf(stderr, "%s: %.6f: mountpoint %s\n",
+		    argv[0], ts, dirs[i]);
+	}
+	endmntent(mtp);
+
+	nr_dirs = i;
+
+	/* Now read them
+	 */
+	for (i = 0; i < nr_dirs; i++) {
+	    int j;
+	    int nr_entries;
+	    DIR *dp;
+	    struct dirent *de;
+
+	    fprintf(stderr, "%s: %.6f: start %s\n",
+		    argv[0], gettimestamp(), dirs[i]);
+	    if (chdir(dirs[i]) == -1) {
+		fprintf(stderr, "%s: %.6f: chdir %s failed: %s\n",
+			argv[0], gettimestamp(), dirs[i], strerror(errno));
+		break;
+	    }
+	    fprintf(stderr, "%s: %.6f: chdir %s ok\n",
+		    argv[0], gettimestamp(), dirs[i]);
+
+	    if ((dp = opendir(".")) == NULL) {
+		fprintf(stderr, "%s: %.6f: opendir %s failed: %s\n",
+			argv[0], gettimestamp(), dirs[i], strerror(errno));
+		break;
+	    }
+	    for (j = 0;(de = readdir(dp)); j++) {
+		DA_MKIND_INI(entries, j, NULL);
+		if (entries[j]) free(entries[j]);
+		entries[j] = strdup(de->d_name);
+		fprintf(stderr, "%s: %.6f: entry %s\n",
+			argv[0], gettimestamp(), entries[j]);
+	    }
+	    closedir(dp);
+	    nr_entries = j;
+
+	    for (j = 0; j < nr_entries; j++) {
+		struct stat st;
+		stat (entries[j], &st);
+		fprintf(stderr, "%s: %.6f: stat entry %s\n",
+			argv[0], gettimestamp(), entries[j]);
+	    }
+	}
+
+	sleeptime = rand() * 60.0 / RAND_MAX;
+	fprintf(stderr, "%s: %.6f: sleeping %d seconds\n",
+		argv[0], gettimestamp(), sleeptime);
+	sleep(sleeptime);
+    }
+	    
+	
+    return 0;
+}
+
+/* 
+ * $Log: ddm.c,v $
+ * Revision 1.1  2000-06-04 15:53:19  hjp
+ * Pre-Version. Options are still missing.
+ *
+ */