From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/erl_interface/src/connect/send_reg.c | 122 +++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 lib/erl_interface/src/connect/send_reg.c

(limited to 'lib/erl_interface/src/connect/send_reg.c')

diff --git a/lib/erl_interface/src/connect/send_reg.c b/lib/erl_interface/src/connect/send_reg.c
new file mode 100644
index 0000000000..8f0e40309c
--- /dev/null
+++ b/lib/erl_interface/src/connect/send_reg.c
@@ -0,0 +1,122 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd%
+ */
+#ifdef __WIN32__
+#include <winsock2.h>
+#include <windows.h>
+#include <winbase.h>
+
+#elif VXWORKS
+#include <sys/types.h>
+#include <unistd.h>
+
+#else /* unix */
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/uio.h>
+#endif
+
+#include <stdio.h>
+
+#include "eidef.h"
+#include "eiext.h"
+#include "eisend.h"
+#include "putget.h"
+#include "ei_connect_int.h"
+#include "ei_internal.h"
+#include "ei_trace.h"
+#include "ei_portio.h"
+#include "show_msg.h"
+
+int ei_send_reg_encoded_tmo(int fd, const erlang_pid *from,
+			    const char *to, char *msg, int msglen,
+			    unsigned ms)
+{
+    char *s, header[1400]; /* see size calculation below */
+    erlang_trace *token = NULL;
+    int index = 5; /* reserve 5 bytes for control message */
+    int res;
+
+#ifdef HAVE_WRITEV
+    struct iovec v[2];
+#endif
+    
+    /* are we tracing? */
+    /* check that he can receive trace tokens first */
+    if (ei_distversion(fd) > 0)
+	token = ei_trace(0,NULL);
+    
+    /* header = REG_SEND, from, cookie, toname         max sizes: */
+    ei_encode_version(header,&index);                     /*   1 */
+    if (token) { 
+	ei_encode_tuple_header(header,&index,5);            /*   2 */
+	ei_encode_long(header,&index,ERL_REG_SEND_TT);      /*   2 */
+    } else {
+	ei_encode_tuple_header(header,&index,4);    
+	ei_encode_long(header,&index,ERL_REG_SEND); 
+    }
+    ei_encode_pid(header, &index, from);                    /* 268 */
+    ei_encode_atom(header, &index, ei_getfdcookie(fd));       /* 258 */
+    ei_encode_atom(header, &index, to);                     /* 268 */
+
+    if (token) ei_encode_trace(header,&index,token);      /* 534 */
+
+    /* control message (precedes header actually) */
+    /* length = 1 ('p') + header len + message len */
+    s = header;
+    put32be(s, index + msglen - 4);                       /*   4 */
+    put8(s, ERL_PASS_THROUGH);                                /*   1 */
+                                                /*** sum: 1336 */
+    /* FIXME incorrect level.... */
+    if (ei_tracelevel > 0) 
+	ei_show_sendmsg(stderr,header,msg);
+
+#ifdef HAVE_WRITEV
+
+    v[0].iov_base = (char *)header;
+    v[0].iov_len = index;
+    v[1].iov_base = (char *)msg;
+    v[1].iov_len = msglen;
+    
+    if ((res = ei_writev_fill_t(fd,v,2,ms)) != index+msglen) {
+	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
+	return -1;
+    }
+#else
+    
+    /* no writev() */
+    if ((res = ei_write_fill_t(fd,header,index,ms)) != index) {
+	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
+	return -1;
+    }
+    if ((res = ei_write_fill_t(fd,msg,msglen,ms)) != msglen) {
+	erl_errno = (res == -2) ? ETIMEDOUT : EIO;
+	return -1;
+    }
+#endif
+    
+    return 0;
+}
+
+
+int ei_send_reg_encoded(int fd, const erlang_pid *from, const char *to,
+			char *msg, int msglen)
+{
+    return ei_send_reg_encoded_tmo(fd, from, to, msg, msglen, 0);
+}
+
-- 
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