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[Cluster-devel] cluster/fence/fenced main.c



CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	teigland sourceware org	2007-10-26 19:33:47

Modified files:
	fence/fenced   : main.c 

Log message:
	Improve the dumping of debug logs from daemons.
	bz 317181
	
	group_tool reads debug logs from groupd, fenced, and gfs_controld.
	The dumping code in all three daemons is now identical.  The other
	change is that the dumping function terminates the final write
	with \0, and no longer sends the entire 1MB log buffer if it's not full.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/fence/fenced/main.c.diff?cvsroot=cluster&r1=1.44&r2=1.45

--- cluster/fence/fenced/main.c	2007/10/01 16:30:57	1.44
+++ cluster/fence/fenced/main.c	2007/10/26 19:33:47	1.45
@@ -338,21 +338,22 @@
 		client[i].fd = -1;
 }
 
-static int do_dump(int ci)
+static int do_dump(int fd)
 {
-	int rv, len = DUMP_SIZE;
+	int len;
 
 	if (dump_wrap) {
 		len = DUMP_SIZE - dump_point;
-		rv = do_write(client[ci].fd, dump_buf + dump_point, len);
-		if (rv < 0)
-			log_debug("write error %d errno %d", rv, errno);
+		do_write(fd, dump_buf + dump_point, len);
+		len = dump_point;
+	} else
 		len = dump_point;
-	}
 
-	rv = do_write(client[ci].fd, dump_buf, len);
-	if (rv < 0)
-		log_debug("write error %d errno %d", rv, errno);
+	/* NUL terminate the debug string */
+	dump_buf[dump_point] = '\0';
+
+	do_write(fd, dump_buf, len);
+
 	return 0;
 }
 
@@ -386,7 +387,8 @@
 	else if (!strcmp(cmd, "leave"))
 		rv = do_leave(name);
 	else if (!strcmp(cmd, "dump")) {
-		do_dump(ci);
+		do_dump(client[ci].fd);
+		close(client[ci].fd);
 		return 0;
 	} else
 		rv = -EINVAL;


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