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authorschmidt <douglascraigschmidt@users.noreply.github.com>2004-02-05 15:29:51 +0000
committerschmidt <douglascraigschmidt@users.noreply.github.com>2004-02-05 15:29:51 +0000
commit1086451bb8adcedbc703b49e2331a38f1c4e25fb (patch)
treee85f29927d774359d2cc8d746359cff13be6854c /TAO/docs
parent954f622f75b1a90c0a54aecef32cbb987e9d3549 (diff)
downloadATCD-1086451bb8adcedbc703b49e2331a38f1c4e25fb.tar.gz
ChangeLogTag:Thu Feb 5 08:48:27 2004 Douglas C. Schmidt <schmidt@cs.wustl.edu>
Diffstat (limited to 'TAO/docs')
-rw-r--r--TAO/docs/releasenotes/index.html87
1 files changed, 7 insertions, 80 deletions
diff --git a/TAO/docs/releasenotes/index.html b/TAO/docs/releasenotes/index.html
index 8a558a8cf2e..79b90c9da25 100644
--- a/TAO/docs/releasenotes/index.html
+++ b/TAO/docs/releasenotes/index.html
@@ -180,7 +180,7 @@ Notification Service
<td VALIGN=TOP>
<ul>
<b>CCM Related</b>
-<br>
+<br><BR>
<li>
<a href="../../CIAO/docs/index.html">CORBA Component Model (CIAO)</a></li>
<li>
@@ -218,8 +218,6 @@ on the handler. The Reactor also increments this reference count when making
upcalls on the handler. The reference count is decremented when an upcall
completes or when the handler is removed from the Reactor.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>This mechanism is similar to what happens between POAs and Servants
and it allows for the safe deletion of handlers. This mechanism is particularly
need for multi-threaded applications that can have multiple threads executing
@@ -631,8 +629,6 @@ the MSVC project. For the Release version, the Optimizations box in the
C/C++ tab has 'Maximize Speed' selected. This setting turned out to cause
a problem when</li>
-<br>&nbsp;
-<p>&nbsp;
<p>const char *foo = ......
<p>occurs in the source code. The variable foo is sometimes not allocated
or assigned properly, and if foo is part of generated code, it will then
@@ -656,53 +652,28 @@ work is now ongoing to extend TAO's OBV implementation until it includes
the complete CORBA value type specification. Some of the items yet to be
implemented include:</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<ul>
<li>
Boxed value types</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<li>
Custom marshaling</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<li>
Truncation</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<li>
Marshaling of complex state (graphs with cycles)</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;</ul>
+</ul>
For a complete description of value type semantics, see chapter 5 in the
CORBA specification.
-<br>&nbsp;
-<br>&nbsp;
<li>
The generated sequence classes should not be generated per sequence, but
per type and parent scope. Which means, that the overhead of having the
source code generated serveral times should be reduced. To do this, an
extra pass over the internal representation of the IDL file has to be done.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<li>
Updated and portable support for wide characters and wide strings. The
original implementation supports Unicode only. At the time, the CORBA specification
@@ -720,10 +691,7 @@ CDR transfer syntax, see section 15.3 in the CORBA specification. and for
information about the marshaling of IDL character types specifically, see
section 15.3.1.6.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;</ul>
+</ul>
<p><br><!--#include virtual="orbcore.html" -->
<hr>
@@ -759,8 +727,6 @@ instance, there is now the concept of communication layers: Objects (e.g.,
references, method invocations, etc.), ORB Messaging, Transport, and Network.
The Object layer is just the usual stubs and skeletons.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>The common interfaces have been defined in the new abstract classes
that form the core of TAO's pluggable protocol framework, e.g.,
<tt>TAO_Connector</tt>,
@@ -778,10 +744,6 @@ This is important since there may be several different ways to access an
object. Each profile for an object may encode information pertaining to
QoS, network and transport protocols, addresses or routes.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;
<li>
<b>Example Transport protocols</b> - Aside from IIOP, five additional transport
protocols are distributed with TAO:</li>
@@ -861,8 +823,6 @@ and is meant to be a drop-in replacement for the IIOP pluggable protocol.
TAO's SSLIOP pluggable protocol implementation supports both the standard
IIOP transport protocol and the secure IIOP over SSL transport protocol.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>No changes were made to the core TAO sources to provide to this SSL
support, nor does TAO contain any security related hooks. TAO's SSLIOP
implementation is completely self-contained. This ensures that the core
@@ -946,9 +906,7 @@ the null terminator, but Posix.1g only requires that local IPC rendezvous
point arrays contain a maximum of <b>at least</b> 100 characters, including
the null terminator.</li>
-<br>&nbsp;
-<p>&nbsp;
-<p>&nbsp;If an endpoint is longer than what the platform supports then
+<P>If an endpoint is longer than what the platform supports then
it will be truncated so that it fits, and a warning will be issued.
<li>
Avoid using <i>relative</i> paths in your UIOP endpoints. If possible,
@@ -961,8 +919,6 @@ able to communicate with the server since its point of communication, the
rendezvous point, was not found. On the other hand, if an absolute path
was used, the client would know exactly where to find the rendezvous point.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>It is up to the user to make sure that a given UIOP endpoint is accessible
by both the server and the client.
<li>
@@ -976,10 +932,7 @@ strings, i.e. <tt>/tmp/foo</tt> and <tt>foo</tt> are not the same, lexicographic
On the other hand, if both the endpoint and the preconnect are the same
string then a preconnection will be established and used successfully.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;</blockquote>
+</blockquote>
The <tt><a href="../ORBEndpoint.html">-ORBEndpoint</a></tt> option uses
a syntax similar to that of the URL style object reference shown above.
The only difference is that the object key delimiter and the object key
@@ -994,8 +947,6 @@ for endpoints created on a host with multiple network interfaces. It should
no longer be necessary to manually specify an endpoint for each network
interface.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>This means that server IORs will contain profiles for all of the default
endpoints created on each network interface the server is listening on,
if no explicit endpoints were specified.</ul>
@@ -1009,10 +960,7 @@ Critical Work:
<li>
None.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;</ul>
+</ul>
Future Work:
<ul>
<li>
@@ -1038,8 +986,6 @@ TAO supports the POA spec. This section will carry updates as available.</li>
Known issues:
<br>Future work:
<br>Recently completed work:
-<br>&nbsp;
-<br>&nbsp;
<ul>
<li>
ORB::shutdown now properly deactives all the POA Managers.</li>
@@ -1087,16 +1033,12 @@ method call from the client to the server; (b) it is varible in size, and
therefore, does not lend itself to smart and effective parsing; (c) the
searching based on the complete POA name is very ineffient.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>The new solution is to use an active demux table, and flatten the POA
hierarchy. This will help in the searching since active demuxing is fast
and predictable. This will also help in the parsing since the demux key
will be fixed size.
<p>Note that for persistent ids, we have to pass the complete POA name
in addition to the demux key in order to handle POA creation on demand.
-<br>&nbsp;
-<br>&nbsp;
<li>
There were some POA objects in a typical server that are not freed up properly,
resulting in a memory leak. This has now been fixed.</li>
@@ -1123,15 +1065,11 @@ We have decided not to support active demuxing for method name lookup.
The benefit of this optimization was questionable since the current perfect
hashing scheme provide very good and predictable behavior.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>Also, note that this optimization will require many changes. We would
have to use the help of the IDL compiler to modify the object key that
is passed for every method call differently. Note that this scheme doesn't
work in the case of multiple inheritance or when the client stubs are not
TAO.
-<br>&nbsp;
-<br>&nbsp;
<li>
Improved the parsing of object keys belonging to the RootPOA. Since this
is the default POA and is commonly used, we have given it a reserved byte
@@ -1167,10 +1105,7 @@ and expecting the reference counting behavior provided by the POA. Note
that the old scheme of direct call through to the servant is also still
available.</li>
-<br>&nbsp;
-<p>&nbsp;
-<br>&nbsp;
-<br>&nbsp;</ul>
+</ul>
<hr>
<br><!--#include virtual="OBV.html" -->
@@ -1286,8 +1221,6 @@ that meets the Linked Trader conformance criteria --- it implements the
<tt>Link</tt> interfaces, but not
the <tt>Proxy</tt> interface. Notably, the TAO trader supports the following
features:
-<br>&nbsp;
-<br>&nbsp;
<ul>
<li>
Multithreaded operation;</li>
@@ -1348,8 +1281,6 @@ Point of contact: <a href="mailto:tworm@cs.wustl.edu">Torben Worm</a>
<p>Current status (as of May 3rd): The <a href="http://www.omg.org/technology/documents/formal/concurrency_service.htm">Concurrency
Service</a> provides a mechanism that allows clients to acquire and release
various types of locks in a distributed system.
-<br>&nbsp;
-<br>&nbsp;
<ul>
<li>
A simple version of the Concurrency Service has been implemented, i.e.
@@ -1714,8 +1645,6 @@ with the standard policy manipulation CORBA features (e.g. <tt>PolicyManager</tt
meaning that this policy can be set on a per-ORB, per-thread or per-object
basis.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>This policy makes it possible to, for example, make both secure and
insecure invocations within the same client process.
<li>
@@ -1730,8 +1659,6 @@ in conjunction with the standard policy manipulation CORBA features (e.g.
<tt>PolicyCurrent</tt>), meaning that this policy can be set on a per-ORB,
per-thread or per-object basis.</li>
-<br>&nbsp;
-<p>&nbsp;
<p>This policy makes it possible to, for example, make authenticated and
non-authenticated invocations within the same client process.
<li>