conforming SCTP BTL to Open MPI naming conventions and IP requirements

This commit was SVN r16764.

ompi/mca/btl/sctp/Makefile.am

@@ -35,8 +35,6 @@ sources = \
     btl_sctp_hdr.h \
     btl_sctp_proc.c \
     btl_sctp_proc.h \
-	sctp_writev.c \
-	sctp_writev.h \
     btl_sctp_recv_handler.c \
     btl_sctp_recv_handler.h \
     btl_sctp_utils.c \

ompi/mca/btl/sctp/btl_sctp_endpoint.c

@@ -883,12 +883,12 @@ int mca_btl_sctp_set_socket_options(int sd)
 #endif
 
     /* set socket up to be non-blocking  */
-    if((flags = fcntl(mca_btl_sctp_component.sctp_listen_sd, F_GETFL, 0)) < 0) {
+    if((flags = fcntl(sd, F_GETFL, 0)) < 0) {
         BTL_ERROR(("fcntl(F_GETFL) failed with errno=%d", opal_socket_errno));
         return OMPI_ERROR;
     } else {
         flags |= O_NONBLOCK;
-        if(fcntl(mca_btl_sctp_component.sctp_listen_sd, F_SETFL, flags) < 0) {
+        if(fcntl(sd, F_SETFL, flags) < 0) {
             BTL_ERROR(("fcntl(F_SETFL) failed with errno=%d", opal_socket_errno));
             return OMPI_ERROR;
         }

ompi/mca/btl/sctp/btl_sctp_frag.c

@@ -39,10 +39,6 @@
 #include "btl_sctp_endpoint.h"
 #include "orte/util/proc_info.h"
 
-/* Needed to use sctp_writev() which is a slightly modified sctp_sendmsg()
- * call.
- */
-#include "sctp_writev.h"
 #include "btl_sctp.h"
 #include "btl_sctp_addr.h"
 #include "btl_sctp_utils.h"
@@ -128,10 +124,7 @@ int mca_btl_sctp_frag_get_msg_size(mca_btl_sctp_frag_t *frag) {
 /**
  * mca_btl_sctp_frag_large_send(mca_btl_sctp_frag_t* frag, int sd)
  * ---------------------------------------------------------------
- *  Hopefully will fragment the message and send it on the wire. One approach is
+ *  Send a frag that is too large to send in one call to a vector write.
- *  to fragment the message, then call mca_btl_sctp_frag_send() with each
- *  smaller fragment from a while loop until the entire message is sent. This is
- *  approach 1.
  */
 
 bool mca_btl_sctp_frag_large_send(mca_btl_sctp_frag_t* frag, int sd, int iov_fragment, int *amt_sent) {
@@ -168,9 +161,8 @@ bool mca_btl_sctp_frag_large_send(mca_btl_sctp_frag_t* frag, int sd, int iov_fra
         if(mca_btl_sctp_component.sctp_if_11) {
             cnt = sctp_sendmsg(sd, frag->iov_ptr->iov_base, to_send, 0, 0, 0, 0, 0, 0, 0 );
         } else {
-            cnt = sctp_sendmsg(sd, frag->iov_ptr->iov_base, to_send,
+            cnt = sctp_sendmsg(sd, frag->iov_ptr->iov_base, to_send, (struct sockaddr *)&btl_sockaddr, 
-                               (struct sockaddr *)&btl_sockaddr, sizeof(btl_sockaddr), 0, 0,
+                    sizeof(btl_sockaddr), 0, 0, 0, 0, 0 );
-                               0, 0, 0 );
         }
                                    
                     
@@ -185,12 +177,12 @@ bool mca_btl_sctp_frag_large_send(mca_btl_sctp_frag_t* frag, int sd, int iov_fra
                 cnt=0;
                 break;
             case EFAULT:
-                BTL_ERROR(("writev error (%p, %d)\n\t%s(%d)\n",
+                BTL_ERROR(("sctp_sendmsg error (%p, %d)\n\t%s(%d)\n",
                            frag->iov_ptr[0].iov_base, frag->iov_ptr[0].iov_len,
                            strerror(opal_socket_errno), frag->iov_cnt));
             default:
                 {
-                    BTL_ERROR(("writev failed with errno=%d", opal_socket_errno));
+                    BTL_ERROR(("sctp_sendmsg failed with errno=%d", opal_socket_errno));
                     mca_btl_sctp_endpoint_close(frag->endpoint);
                     return false;
                 }
@@ -295,10 +287,9 @@ bool mca_btl_sctp_frag_send(mca_btl_sctp_frag_t* frag, int sd)
 
         while(cnt < 0) {
             if(mca_btl_sctp_component.sctp_if_11) {
-                cnt = sctp_writev(sd, frag->iov_ptr, frag->iov_cnt, 0, 0, 0, 0, 0, 0, 0);
+                cnt = mca_btl_sctp_utils_writev(sd, frag->iov_ptr, frag->iov_cnt, 0, 0, 0);
             } else {
-                cnt = sctp_writev(sd, frag->iov_ptr, frag->iov_cnt, (struct sockaddr *)&btl_sockaddr, len, 0,
+                cnt = mca_btl_sctp_utils_writev(sd, frag->iov_ptr, frag->iov_cnt, (struct sockaddr *)&btl_sockaddr, len, 0);
-                                  0, 0, 0, 0);
             }
                     
             if(cnt >= 0) {
@@ -310,12 +301,12 @@ bool mca_btl_sctp_frag_send(mca_btl_sctp_frag_t* frag, int sd)
                 case EWOULDBLOCK:
                     return false;
                 case EFAULT:
-                    BTL_ERROR(("writev error (%p, %d)\n\t%s(%d)\n",
+                    BTL_ERROR(("mca_btl_sctp_utils_writev error (%p, %d)\n\t%s(%d)\n",
                                frag->iov_ptr[0].iov_base, frag->iov_ptr[0].iov_len,
                                strerror(opal_socket_errno), frag->iov_cnt));
                 default:
                     {
-                        BTL_ERROR(("writev failed with errno=%d", opal_socket_errno));
+                        BTL_ERROR(("mca_btl_sctp_utils_writev failed with errno=%d", opal_socket_errno));
                         mca_btl_sctp_endpoint_close(frag->endpoint);
                         return false;
                     }
@@ -407,11 +398,11 @@ repeat11:
                     case EWOULDBLOCK:
                         return false;
                     case EFAULT:
-                        opal_output( 0, "mca_btl_sctp_frag_send: writev error (%p, %d)\n\t%s(%d)\n",
+                        opal_output( 0, "mca_btl_sctp_frag_recv: readv error (%p, %d)\n\t%s(%d)\n",
                                 frag->iov_ptr[0].iov_base, (int) frag->iov_ptr[0].iov_len,
                                 strerror(opal_socket_errno), (int) frag->iov_cnt );
                     default:
-                        opal_output(0, "mca_btl_sctp_frag_send: writev failed with errno=%d",
+                        opal_output(0, "mca_btl_sctp_frag_recv: readv failed with errno=%d",
                                 opal_socket_errno);
                         mca_btl_sctp_endpoint_close(btl_endpoint);
                         return false;
@@ -551,11 +542,11 @@ repeat:
                     case EWOULDBLOCK:
                         return false;
                     case EFAULT:
-                        opal_output( 0, "mca_btl_sctp_frag_send: writev error (%p, %d)\n\t%s(%d)\n",
+                        opal_output( 0, "mca_btl_sctp_frag_recv: error (%p, %d)\n\t%s(%d)\n",
                                 frag->iov_ptr[0].iov_base, (int) frag->iov_ptr[0].iov_len,
                                 strerror(opal_socket_errno), (int) frag->iov_cnt );
                     default:
-                        opal_output(0, "mca_btl_sctp_frag_send: writev failed with errno=%d",
+                        opal_output(0, "mca_btl_sctp_frag_recv: failed with errno=%d",
                                 opal_socket_errno);
                         mca_btl_sctp_endpoint_close(btl_endpoint);
                         return false;

ompi/mca/btl/sctp/btl_sctp_utils.c

@@ -53,3 +53,48 @@ struct sockaddr_in mca_btl_sctp_utils_sockaddr_from_endpoint(struct mca_btl_base
 
     return btl_sockaddr;
 }
+
+/**
+ * int mca_btl_sctp_utils_writev(int sd, struct iovec *vec, size_t len, 
+ *         struct sockaddr *to_addr, socklen_t to_len, uint16_t stream_no)
+ * -----------------------------------------------------------------------
+ *  Vector write.
+ */
+int mca_btl_sctp_utils_writev(int sd, struct iovec *vec, size_t len, 
+        struct sockaddr *to_addr, socklen_t to_len, uint16_t stream_no) {
+
+    char outcmesg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+    struct cmsghdr *cmesg;
+    struct msghdr outmesg;
+    struct sctp_sndrcvinfo *srinfo;
+
+    /* Default these to 0. */
+    uint32_t ppid = 0;
+    uint32_t flags = 0;
+    uint32_t ttl = 0;
+    uint32_t cxt = 0;
+
+    outmesg.msg_name = to_addr;
+    outmesg.msg_namelen = to_len;
+    outmesg.msg_iov = vec;
+    outmesg.msg_iovlen = 1;
+    outmesg.msg_flags = 0;
+    outmesg.msg_control = outcmesg;
+    outmesg.msg_controllen = sizeof(outcmesg);
+
+    cmesg = CMSG_FIRSTHDR(&outmesg);
+    cmesg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+    outmesg.msg_controllen = cmesg->cmsg_len;
+    cmesg->cmsg_level = IPPROTO_SCTP;
+    cmesg->cmsg_type = SCTP_SNDRCV;
+
+    srinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmesg);
+    memset(srinfo, 0, sizeof(struct sctp_sndrcvinfo));
+    srinfo->sinfo_ppid = ppid;
+    srinfo->sinfo_flags = flags;
+    srinfo->sinfo_stream = stream_no;
+    srinfo->sinfo_timetolive = ttl;
+    srinfo->sinfo_context = cxt;
+
+    return sendmsg(sd, &outmesg, 0);
+}

ompi/mca/btl/sctp/btl_sctp_utils.h

@@ -23,8 +23,13 @@
 #include "btl_sctp_frag.h"
 #include "btl_sctp_endpoint.h"
 #include "btl_sctp_addr.h"
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/sctp.h>
 
 struct sockaddr_in mca_btl_sctp_utils_sockaddr_from_frag(struct mca_btl_sctp_frag_t *frag);
 struct sockaddr_in mca_btl_sctp_utils_sockaddr_from_endpoint(struct mca_btl_base_endpoint_t *ep);
+int mca_btl_sctp_utils_writev(int sd, struct iovec *vec, size_t len, 
+        struct sockaddr *to_addr, socklen_t to_len, uint16_t stream_no);
 
 #endif

ompi/mca/btl/sctp/sctp_writev.c

@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
- *                         University Research and Technology
- *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2006 The University of Tennessee and The University
- *                         of Tennessee Research Foundation.  All rights
- *                         reserved.
- * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
- *                         University of Stuttgart.  All rights reserved.
- * Copyright (c) 2004-2005 The Regents of the University of California.
- *                         All rights reserved.
- * $COPYRIGHT$
- *
- * Additional copyrights may follow
- *
- * $HEADER$
- */
-
-/* SCTP kernel reference Implementation: User API extensions.
- *
- * sendmsg.c
- *
- * Distributed under the terms of the LGPL v2.1 as described in
- *    http://www.gnu.org/copyleft/lesser.txt 
- *
- * This file is part of the user library that offers support for the
- * SCTP kernel reference Implementation. The main purpose of this
- * code is to provide the SCTP Socket API mappings for user
- * application to interface with the SCTP in kernel.
- *
- * This implementation is based on the Socket API Extensions for SCTP
- * defined in <draft-ietf-tsvwg-sctpsocket-10.txt>
- *
- * Copyright (c) 2003 Intel Corp.
- *
- * Written or modified by:
- *  Ardelle Fan     <ardelle.fan@intel.com>
- */
-
-
-/* Small modifications made by Karol Mroz (kmroz). */
-
-/* #include <string.h>
- * #include <sys/socket.h>
- * #include <netinet/sctp.h>
- */
-#include "sctp_writev.h"
-
-/* This library function assists the user with the advanced features
- * of SCTP.  This is a new SCTP API described in the section 8.7 of the
- * Sockets API Extensions for SCTP. This is implemented using the
- * sendmsg() interface.
- *
- * kmroz: Modification to this was trivial. const char* was replaced with const 
- * struct iovec* and the sendmsg call was replaced with a call to writev that 
- * takes *vector as a parameter.
- */
-
-int
-sctp_writev(int s, /* const */ struct iovec *vector, size_t len, struct sockaddr *to,
-	     socklen_t tolen, uint32_t ppid, uint32_t flags,
-	     uint16_t stream_no, uint32_t timetolive, uint32_t context)
-{
-	struct msghdr outmsg;
-	struct iovec iov;
-	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
-	struct cmsghdr *cmsg;
-	struct sctp_sndrcvinfo *sinfo;
-
-	outmsg.msg_name = to;
-	outmsg.msg_namelen = tolen;
-	/* outmsg.msg_iov = &iov; */
-	outmsg.msg_iov = vector;
-	iov.iov_base = vector->iov_base;
-	iov.iov_len = vector->iov_len;
-	outmsg.msg_iovlen = 1;
-
-	outmsg.msg_control = outcmsg;
-	outmsg.msg_controllen = sizeof(outcmsg);
-	outmsg.msg_flags = 0;
-
-	cmsg = CMSG_FIRSTHDR(&outmsg);
-	cmsg->cmsg_level = IPPROTO_SCTP;
-	cmsg->cmsg_type = SCTP_SNDRCV;
-	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
-
-	outmsg.msg_controllen = cmsg->cmsg_len;
-	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
-	memset(sinfo, 0, sizeof(struct sctp_sndrcvinfo));
-	sinfo->sinfo_ppid = ppid;
-	sinfo->sinfo_flags = flags;
-	sinfo->sinfo_stream = stream_no;
-	sinfo->sinfo_timetolive = timetolive;
-	sinfo->sinfo_context = context;
-
-	return sendmsg(s, &outmsg, 0);
-	/* return writev(s, vector, len); */
-}

ompi/mca/btl/sctp/sctp_writev.h

@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
- *                         University Research and Technology
- *                         Corporation.  All rights reserved.
- * Copyright (c) 2004-2006 The University of Tennessee and The University
- *                         of Tennessee Research Foundation.  All rights
- *                         reserved.
- * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
- *                         University of Stuttgart.  All rights reserved.
- * Copyright (c) 2004-2005 The Regents of the University of California.
- *                         All rights reserved.
- * $COPYRIGHT$
- * 
- * Additional copyrights may follow
- * 
- * $HEADER$
- */
-
-#ifndef MCA_BTL_SCTP_WRITEV_H
-#define MCA_BTL_SCTP_WRITEV_H
-
-#include <string.h>
-#include <sys/socket.h>
-#include <netinet/sctp.h>
-
-/*
- * sctp_writev.h
- * -------------
- */
-
-int sctp_writev(int s, /* const */ struct iovec *vector, size_t len, struct sockaddr *to,
-	     socklen_t tolen, uint32_t ppid, uint32_t flags,
-	     uint16_t stream_no, uint32_t timetolive, uint32_t context);
-
-#endif