[common] Include milliseconds in timestamps

5 files changed, 15 insertions, 13 deletions

diff --git a/cmd/client/main.go b/cmd/client/main.go
index 15033ab..f135a69 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"net"
 	"strings"
@@ -20,7 +21,7 @@ var (
 type Handler struct{}
 
 func (h *Handler) HandleMessage(msg core.Message) {
-	log.Println("received message", msg.Source, "->", msg.Target, msg.Content)
+	fmt.Printf("%s\t%s -> %s %s\n", msg.Timestamp.Format("2006/01/02 15:04:05.000"), msg.Source, msg.Target, msg.Content)
 }
 
 func (h *Handler) HandleError(err error) {
diff --git a/core/data.go b/core/data.go
index fdad424..6871a89 100644
--- a/core/data.go
+++ b/core/data.go
@@ -93,7 +93,7 @@ func Encode(w Wrapper) ([]byte, error) {
 			}
 
 		case time.Time:
-			err := binary.Write(buf, binary.BigEndian, uint64(v.Unix()))
+			err := binary.Write(buf, binary.BigEndian, uint64(v.UnixMilli()))
 			if err != nil {
 				return []byte{}, fmt.Errorf("cannot encode time: %v", err)
 			}
@@ -168,7 +168,7 @@ func decodeTime(buf io.Reader, ptr *time.Time) error {
 		return fmt.Errorf("cannot decode time: %v", err)
 	}
 
-	*ptr = time.Unix(int64(timeBuf), 0)
+	*ptr = time.UnixMilli(int64(timeBuf))
 	return nil
 }
 
diff --git a/docs/rfc.html b/docs/rfc.html
index 224cbea..373526e 100644
--- a/docs/rfc.html
+++ b/docs/rfc.html
@@ -1216,11 +1216,11 @@ li > p:last-of-type:only-child {
 <thead><tr>
 <td class="left">Internet-Draft</td>
 <td class="center">SOLEC</td>
-<td class="right">May 2026</td>
+<td class="right">June 2026</td>
 </tr></thead>
 <tfoot><tr>
 <td class="left">bt</td>
-<td class="center">Expires 2 December 2026</td>
+<td class="center">Expires 6 December 2026</td>
 <td class="right">[Page]</td>
 </tr></tfoot>
 </table>
@@ -1233,12 +1233,12 @@ li > p:last-of-type:only-child {
 <dd class="internet-draft">SOLEC</dd>
 <dt class="label-published">Published:</dt>
 <dd class="published">
-<time datetime="2026-05-31" class="published">31 May 2026</time>
+<time datetime="2026-06-04" class="published">4 June 2026</time>
     </dd>
 <dt class="label-intended-status">Intended Status:</dt>
 <dd class="intended-status">Experimental</dd>
 <dt class="label-expires">Expires:</dt>
-<dd class="expires"><time datetime="2026-12-02">2 December 2026</time></dd>
+<dd class="expires"><time datetime="2026-12-06">6 December 2026</time></dd>
 <dt class="label-authors">Author:</dt>
 <dd class="authors">
 <div class="author">
@@ -1274,7 +1274,7 @@ SOLEC system.<a href="#section-abstract-1" class="pilcrow">¶</a></p>
         time. It is inappropriate to use Internet-Drafts as reference
         material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
 <p id="section-boilerplate.1-4">
-        This Internet-Draft will expire on 2 December 2026.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
+        This Internet-Draft will expire on 6 December 2026.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
 </section>
 </div>
 <div id="copyright">
@@ -1523,7 +1523,7 @@ spec</a>. Following types are in use:<a href="#section-2.3.1-1" class="pilcrow">
           <h4 id="name-timestamp">
 <a href="#section-2.3.2" class="section-number selfRef">2.3.2. </a><a href="#name-timestamp" class="section-name selfRef">Timestamp</a>
           </h4>
-<p id="section-2.3.2-1">Uint64 containing Unix timestamp in UTC timezone.<a href="#section-2.3.2-1" class="pilcrow">¶</a></p>
+<p id="section-2.3.2-1">Uint64 containing Unix timestamp in UTC timezone. Milliseconds are included.<a href="#section-2.3.2-1" class="pilcrow">¶</a></p>
 <div class="lang-ascii-art sourcecode" id="section-2.3.2-2">
 <pre>  0                   1                   2                   3
   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
diff --git a/docs/rfc.md b/docs/rfc.md
index 5c9f9b0..d6c8085 100644
--- a/docs/rfc.md
+++ b/docs/rfc.md
@@ -117,7 +117,7 @@ Number in numeric type name is number of bits used to encode this type.
 
 ### Timestamp
 
-Uint64 containing Unix timestamp in UTC timezone.
+Uint64 containing Unix timestamp in UTC timezone. Milliseconds are included.
 
 ~~~ ascii-art
   0                   1                   2                   3
diff --git a/docs/rfc.txt b/docs/rfc.txt
index ed9cc49..335ea3d 100644
--- a/docs/rfc.txt
+++ b/docs/rfc.txt
@@ -1,7 +1,7 @@
 SOLEC Working Group                                              bt, Ed.
 Internet-Draft                                                  RCTT.net
-Intended status: Experimental                                31 May 2026
-Expires: 2 December 2026
+Intended status: Experimental                                4 June 2026
+Expires: 6 December 2026
 
 
              System of Lightweight Electronic Communication
@@ -129,7 +129,8 @@ Table of Contents
 
 2.3.2.  Timestamp
 
-   Uint64 containing Unix timestamp in UTC timezone.
+   Uint64 containing Unix timestamp in UTC timezone.  Milliseconds are
+   included.
 
      0                   1                   2                   3
      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1