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[lsd0004] 02/02: Add versioning to HELLO and messages
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[lsd0004] 02/02: Add versioning to HELLO and messages |
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Mon, 21 Aug 2023 16:45:21 +0200 |
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martin-schanzenbach pushed a commit to branch master
in repository lsd0004.
commit fc0c5ac3cff85c48c85d2fc2102d4f059e594eac
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Mon Aug 21 16:44:47 2023 +0200
Add versioning to HELLO and messages
---
draft-schanzen-r5n.xml | 43 +++++++++++++++++++++++++++----------------
1 file changed, 27 insertions(+), 16 deletions(-)
diff --git a/draft-schanzen-r5n.xml b/draft-schanzen-r5n.xml
index 3f093aa..701598b 100644
--- a/draft-schanzen-r5n.xml
+++ b/draft-schanzen-r5n.xml
@@ -314,12 +314,6 @@ example://12.3.4.5/
routing and <em>peer</em> selection logic. It facilitates the
R<sup>5</sup>N routing
algorithm with required data structures and algorithms.
</dd>
- <dt>Responsible Peer</dt>
- <dd>
- The <em>peer</em> <tt>N</tt> that is responsible for a specific key
<tt>K</tt>, as
- defined by the <tt>SelectClosestPeer(K, P)</tt> algorithm (see
- <xref target="routing"/>.
- </dd>
<dt>Underlay Interface</dt>
<dd>
The <em>inderlay interface</em> is an abstraction layer on top of the
@@ -1291,7 +1285,7 @@ BEGIN
<artwork name="" type="" align="left" alt=""><![CDATA[
0 8 16 24 32 40 48 56
+-----+-----+-----+-----+-----+-----+-----+-----+
-| MSIZE | MTYPE | RESERVED | NUM_ADDRS |
+| MSIZE | MTYPE | VERSION | NUM_ADDRS |
+-----+-----+-----+-----+-----+-----+-----+-----+
| SIGNATURE /
/ (64 bytes) |
@@ -1314,9 +1308,10 @@ BEGIN
It must be set to
the value 157 in network byte order as defined in the GANA
"GNUnet Message Type" registry <xref target="gana_message_type"/>.
</dd>
- <dt>RESERVED</dt>
+ <dt>VERSION</dt>
<dd>
- is a 16-bit field that must be zero.
+ is a 16-bit field that indicates the version of the
HelloMessage. Must be zero.
+ In the future, this may be used to extend or update the
HelloMessage format.
</dd>
<dt>NUM_ADDRS</dt>
<dd>
@@ -1404,7 +1399,7 @@ BEGIN
+-----+-----+-----+-----+-----+-----+-----+-----+
| MSIZE | MTYPE | BTYPE |
+-----+-----+-----+-----+-----+-----+-----+-----+
-| FLAGS | HOPCOUNT | REPL_LVL | PATH_LEN |
+| VER |FLAGS| HOPCOUNT | REPL_LVL | PATH_LEN |
+-----+-----+-----+-----+-----+-----+-----+-----+
| EXPIRATION |
+-----+-----+-----+-----+-----+-----+-----+-----+
@@ -1444,9 +1439,14 @@ BEGIN
Set by the initiator. Read-only.
In network byte order.
</dd>
+ <dt>VER</dt>
+ <dd>
+ is a 8-bit protocol version in network byte order.
+ Set to zero. May be used in future protocol versions.
+ </dd>
<dt>FLAGS</dt>
<dd>
- is a 16-bit vector with binary options (see <xref
target="route_flags"/>).
+ is a 8-bit vector with binary options (see <xref
target="route_flags"/>).
Set by the initiator. Read-only.
</dd>
<dt>HOPCOUNT</dt>
@@ -1651,7 +1651,7 @@ BEGIN
+-----+-----+-----+-----+-----+-----+-----+-----+
| MSIZE | MTYPE | BTYPE |
+-----+-----+-----+-----+-----+-----+-----+-----+
-| FLAGS | HOPCOUNT | REPL_LVL | RF_SIZE |
+| VER |FLAGS| HOPCOUNT | REPL_LVL | RF_SIZE |
+-----+-----+-----+-----+-----+-----+-----+-----+
| PEER_BF /
/ (128 byte) |
@@ -1683,9 +1683,14 @@ BEGIN
is a 32-bit block type field. The block type indicates the
content
type of the payload. Set by the initiator. Read-only. In network
byte order.
</dd>
+ <dt>VER</dt>
+ <dd>
+ is a 8-bit protocol version in network byte order.
+ Set to zero. May be used in future protocol versions.
+ </dd>
<dt>FLAGS</dt>
<dd>
- is a 16-bit vector with binary options (see <xref
target="route_flags"/>).
+ is a 8-bit vector with binary options (see <xref
target="route_flags"/>).
Set by the initiator. Read-only.
</dd>
<dt>HOPCOUNT</dt>
@@ -1883,7 +1888,7 @@ BEGIN
+-----+-----+-----+-----+-----+-----+-----+-----+
| MSIZE | MTYPE | BTYPE |
+-----+-----+-----+-----+-----+-----+-----+-----+
-| RESERVED | FLAGS | PUTPATH_L | GETPATH_L |
+| RESERVED | VER |FLAGS| PUTPATH_L | GETPATH_L |
+-----+-----+-----+-----+-----+-----+-----+-----+
| EXPIRATION |
+-----+-----+-----+-----+-----+-----+-----+-----+
@@ -1931,9 +1936,14 @@ BEGIN
Implementations <bcp14>MUST</bcp14> forward
this value unchanged even if it is non-zero.
</dd>
+ <dt>VER</dt>
+ <dd>
+ is a 8-bit protocol version in network byte order.
+ Set to zero. May be used in future protocol versions.
+ </dd>
<dt>FLAGS</dt>
<dd>
- is a 16-bit vector with binary options (see <xref
target="route_flags"/>).
+ is a 8-bit vector with binary options (see <xref
target="route_flags"/>).
Set by the initiator. <!-- FIXME to what? => Copied from GET?
The code currently just sets the recorded PUT flags / overrides
GET
What should happen?
@@ -3119,7 +3129,8 @@ maybe generate proper test vector.
</t>
<figure>
<artwork type="abnf"><![CDATA[
-hello-URL = "gnunet://hello/" meta [ "?" addrs ]
+hello-URL = "gnunet://hello[:version]/" meta [ "?" addrs ]
+version = *(DIGIT)
meta = pid "/" sig "/" exp
pid = *bchar
sig = *bchar
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