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-rw-r--r--lib/erl_interface/src/connect/send_reg.c122
1 files changed, 122 insertions, 0 deletions
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);
+}
+