[Cluster-devel] cluster/ccs/daemon cnx_mgr.c

[rohara at sourceware.org]

CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	rohara at sourceware.org	2007-12-11 20:58:00

Modified files:
	ccs/daemon     : cnx_mgr.c 

Log message:
	Fix issue with endian conversion that caused problems for mixed architecture
	nodes on same subnet. Need to correct swap byte ordering of comm_header_t
	structure before copying into buffer and when dereferencing.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/ccs/daemon/cnx_mgr.c.diff?cvsroot=cluster&r1=1.43&r2=1.44

--- cluster/ccs/daemon/cnx_mgr.c	2007/05/08 14:25:41	1.43
+++ cluster/ccs/daemon/cnx_mgr.c	2007/12/11 20:58:00	1.44
@@ -1365,18 +1365,19 @@
     ch->comm_flags |= COMM_BROADCAST_FROM_QUORATE;
   }
 
+  swab_header(ch);
   memcpy(buffer, ch, sizeof(comm_header_t));
+  swab_header(ch); /* Swab back to dip into ch for payload_size */
   memcpy(buffer+sizeof(comm_header_t), payload, ch->comm_payload_size);
 
   log_dbg("Sending cluster.conf (version %d)...\n", get_doc_version(master_doc->od_doc));
   sendlen = ch->comm_payload_size + sizeof(comm_header_t);
-  swab_header(ch);
   if(sendto(sfd, buffer, sendlen, 0,
 	    (struct sockaddr *)&addr, (socklen_t)len) < 0){
     log_sys_err("Sendto failed");
     error = -errno;
   }
-  
+
  fail:
   if(buffer) free(buffer);
   if(payload) free(payload);