[tor-commits] [tor/master] channel: Remove nickname attribute from channel_t

[nickm@xxxxxxxxxxxxxx]

commit 1dc4f96d9c630aa562a15958b29848a25b458c84
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Tue Nov 21 15:13:20 2017 -0500

    channel: Remove nickname attribute from channel_t
    
    This was never set thus never could have been used. Get rid of it to simplify
    the code.
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 src/or/channel.c      | 40 +++++++++++-----------------------------
 src/or/channel.h      |  3 ---
 src/or/circuitbuild.c |  3 +--
 src/or/circuitlist.c  |  3 +--
 4 files changed, 13 insertions(+), 36 deletions(-)

diff --git a/src/or/channel.c b/src/or/channel.c
index 3a08d4cb0..ffa827064 100644
--- a/src/or/channel.c
+++ b/src/or/channel.c
@@ -1389,7 +1389,7 @@ channel_set_identity_digest(channel_t *chan,
 }
 
 /**
- * Clear the remote end metadata (identity_digest/nickname) of a channel
+ * Clear the remote end metadata (identity_digest) of a channel
  *
  * This function clears all the remote end info from a channel; this is
  * intended for use by the lower layer.
@@ -1416,7 +1416,6 @@ channel_clear_remote_end(channel_t *chan)
 
   memset(chan->identity_digest, 0,
          sizeof(chan->identity_digest));
-  tor_free(chan->nickname);
 }
 
 /**
@@ -2583,35 +2582,18 @@ channel_dump_statistics, (channel_t *chan, int severity))
       U64_PRINTF_ARG(chan->timestamp_active),
       U64_PRINTF_ARG(now - chan->timestamp_active));
 
-  /* Handle digest and nickname */
+  /* Handle digest. */
   if (!tor_digest_is_zero(chan->identity_digest)) {
-    if (chan->nickname) {
-      tor_log(severity, LD_GENERAL,
-          " * Channel " U64_FORMAT " says it is connected "
-          "to an OR with digest %s and nickname %s",
-          U64_PRINTF_ARG(chan->global_identifier),
-          hex_str(chan->identity_digest, DIGEST_LEN),
-          chan->nickname);
-    } else {
-      tor_log(severity, LD_GENERAL,
-          " * Channel " U64_FORMAT " says it is connected "
-          "to an OR with digest %s and no known nickname",
-          U64_PRINTF_ARG(chan->global_identifier),
-          hex_str(chan->identity_digest, DIGEST_LEN));
-    }
+    tor_log(severity, LD_GENERAL,
+        " * Channel " U64_FORMAT " says it is connected "
+        "to an OR with digest %s",
+        U64_PRINTF_ARG(chan->global_identifier),
+        hex_str(chan->identity_digest, DIGEST_LEN));
   } else {
-    if (chan->nickname) {
-      tor_log(severity, LD_GENERAL,
-          " * Channel " U64_FORMAT " does not know the digest"
-          " of the OR it is connected to, but reports its nickname is %s",
-          U64_PRINTF_ARG(chan->global_identifier),
-          chan->nickname);
-    } else {
-      tor_log(severity, LD_GENERAL,
-          " * Channel " U64_FORMAT " does not know the digest"
-          " or the nickname of the OR it is connected to",
-          U64_PRINTF_ARG(chan->global_identifier));
-    }
+    tor_log(severity, LD_GENERAL,
+        " * Channel " U64_FORMAT " does not know the digest"
+        " of the OR it is connected to",
+        U64_PRINTF_ARG(chan->global_identifier));
   }
 
   /* Handle remote address and descriptions */
diff --git a/src/or/channel.h b/src/or/channel.h
index 1dc378b3d..5a2457faf 100644
--- a/src/or/channel.h
+++ b/src/or/channel.h
@@ -255,9 +255,6 @@ struct channel_s {
    */
   ed25519_public_key_t ed25519_identity;
 
-  /** Nickname of the OR on the other side, or NULL if none. */
-  char *nickname;
-
   /**
    * Linked list of channels with the same RSA identity digest, for use with
    * the digest->channel map
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 2e6b63b4d..4e9d2457c 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -631,8 +631,7 @@ circuit_n_chan_done(channel_t *chan, int status, int close_origin_circuits)
 
   tor_assert(chan);
 
-  log_debug(LD_CIRC,"chan to %s/%s, status=%d",
-            chan->nickname ? chan->nickname : "NULL",
+  log_debug(LD_CIRC,"chan to %s, status=%d",
             channel_get_canonical_remote_descr(chan), status);
 
   pending_circs = smartlist_new();
diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c
index d37d986f1..c879fdada 100644
--- a/src/or/circuitlist.c
+++ b/src/or/circuitlist.c
@@ -505,8 +505,7 @@ circuit_count_pending_on_channel(channel_t *chan)
   circuit_get_all_pending_on_channel(sl, chan);
   cnt = smartlist_len(sl);
   smartlist_free(sl);
-  log_debug(LD_CIRC,"or_conn to %s at %s, %d pending circs",
-            chan->nickname ? chan->nickname : "NULL",
+  log_debug(LD_CIRC,"or_conn to %s, %d pending circs",
             channel_get_canonical_remote_descr(chan),
             cnt);
   return cnt;



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