sendme: Better function names

From nickm's review, improve the names of some functions.

Part of #26288

Signed-off-by: David Goulet <dgoulet@torproject.org>

src/core/crypto/relay_crypto.c

@@ -154,8 +154,8 @@ relay_decrypt_cell(circuit_t *circ, cell_t *cell,
             *layer_hint = thishop;
             /* This cell is for us. Keep a record of this cell because we will
              * use it in the next SENDME cell. */
-            if (sendme_circuit_is_next_cell(thishop->deliver_window)) {
-              sendme_circuit_note_inbound_cell(thishop);
+            if (sendme_circuit_cell_is_next(thishop->deliver_window)) {
+              sendme_circuit_record_inbound_cell(thishop);
             }
             return 0;
           }
@@ -230,8 +230,8 @@ relay_encrypt_cell_inbound(cell_t *cell,
 
   /* We are about to send this cell outbound on the circuit. Keep a record of
    * this cell if we are expecting that the next cell is a SENDME. */
-  if (sendme_circuit_is_next_cell(TO_CIRCUIT(or_circ)->package_window)) {
-    sendme_circuit_note_outbound_cell(or_circ);
+  if (sendme_circuit_cell_is_next(TO_CIRCUIT(or_circ)->package_window)) {
+    sendme_circuit_record_outbound_cell(or_circ);
   }
 
   /* encrypt one layer */

src/core/or/relay.c

@@ -701,7 +701,7 @@ relay_send_command_from_edge_,(streamid_t stream_id, circuit_t *circ,
    * we need to. This call needs to be after the circuit_package_relay_cell()
    * because the cell digest is set within that function. */
   if (relay_command == RELAY_COMMAND_DATA) {
-    sendme_note_cell_digest(circ);
+    sendme_record_cell_digest(circ);
   }
 
   return 0;

src/core/or/sendme.c

@@ -294,7 +294,7 @@ send_circuit_level_sendme(circuit_t *circ, crypt_path_t *layer_hint,
 /** Keep the current inbound cell digest for the next SENDME digest. This part
  * is only done by the client as the circuit came back from the Exit. */
 void
-sendme_circuit_note_outbound_cell(or_circuit_t *or_circ)
+sendme_circuit_record_outbound_cell(or_circuit_t *or_circ)
 {
   tor_assert(or_circ);
   relay_crypto_record_sendme_digest(&or_circ->crypto);
@@ -303,7 +303,7 @@ sendme_circuit_note_outbound_cell(or_circuit_t *or_circ)
 /** Keep the current inbound cell digest for the next SENDME digest. This part
  * is only done by the client as the circuit came back from the Exit. */
 void
-sendme_circuit_note_inbound_cell(crypt_path_t *cpath)
+sendme_circuit_record_inbound_cell(crypt_path_t *cpath)
 {
   tor_assert(cpath);
   relay_crypto_record_sendme_digest(&cpath->crypto);
@@ -316,7 +316,7 @@ sendme_circuit_note_inbound_cell(crypt_path_t *cpath)
  * one cell (the possible SENDME cell) should be a multiple of the increment
  * window value. */
 bool
-sendme_circuit_is_next_cell(int window)
+sendme_circuit_cell_is_next(int window)
 {
   /* Is this the last cell before a SENDME? The idea is that if the package or
    * deliver window reaches a multiple of the increment, after this cell, we
@@ -578,7 +578,7 @@ sendme_note_stream_data_packaged(edge_connection_t *conn)
 /* Note the cell digest in the circuit sendme last digests FIFO if applicable.
  * It is safe to pass a circuit that isn't meant to track those digests. */
 void
-sendme_note_cell_digest(circuit_t *circ)
+sendme_record_cell_digest(circuit_t *circ)
 {
   const uint8_t *digest;
 
@@ -592,7 +592,7 @@ sendme_note_cell_digest(circuit_t *circ)
   /* Is this the last cell before a SENDME? The idea is that if the
    * package_window reaches a multiple of the increment, after this cell, we
    * should expect a SENDME. */
-  if (!sendme_circuit_is_next_cell(circ->package_window)) {
+  if (!sendme_circuit_cell_is_next(circ->package_window)) {
     return;
   }
 

src/core/or/sendme.h

@@ -35,12 +35,12 @@ int sendme_note_circuit_data_packaged(circuit_t *circ,
 int sendme_note_stream_data_packaged(edge_connection_t *conn);
 
 /* Track cell digest. */
-void sendme_note_cell_digest(circuit_t *circ);
-void sendme_circuit_note_inbound_cell(crypt_path_t *cpath);
-void sendme_circuit_note_outbound_cell(or_circuit_t *or_circ);
+void sendme_record_cell_digest(circuit_t *circ);
+void sendme_circuit_record_inbound_cell(crypt_path_t *cpath);
+void sendme_circuit_record_outbound_cell(or_circuit_t *or_circ);
 
 /* Circuit level information. */
-bool sendme_circuit_is_next_cell(int window);
+bool sendme_circuit_cell_is_next(int window);
 
 /* Private section starts. */
 #ifdef SENDME_PRIVATE

src/test/test_sendme.c

@@ -43,7 +43,7 @@ free_mock_consensus(void)
 }
 
 static void
-test_v1_note_digest(void *arg)
+test_v1_record_digest(void *arg)
 {
   or_circuit_t *or_circ = NULL;
   origin_circuit_t *orig_circ = NULL;
@@ -61,7 +61,7 @@ test_v1_note_digest(void *arg)
   circ->purpose = CIRCUIT_PURPOSE_S_REND_JOINED;
 
   /* We should never note SENDME digest on origin circuit. */
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_assert(!circ->sendme_last_digests);
   /* We do not need the origin circuit for now. */
   orig_circ = NULL;
@@ -73,23 +73,23 @@ test_v1_note_digest(void *arg)
    * in order to catched the CIRCWINDOW_INCREMENT-nth cell. Try something that
    * shouldn't be noted. */
   circ->package_window = CIRCWINDOW_INCREMENT;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_assert(!circ->sendme_last_digests);
 
   /* This should work now. Package window at CIRCWINDOW_INCREMENT + 1. */
   circ->package_window++;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_assert(circ->sendme_last_digests);
   tt_int_op(smartlist_len(circ->sendme_last_digests), OP_EQ, 1);
 
   /* Next cell in the package window shouldn't do anything. */
   circ->package_window++;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_int_op(smartlist_len(circ->sendme_last_digests), OP_EQ, 1);
 
   /* The next CIRCWINDOW_INCREMENT should add one more digest. */
   circ->package_window = (CIRCWINDOW_INCREMENT * 2) + 1;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_int_op(smartlist_len(circ->sendme_last_digests), OP_EQ, 2);
 
  done:
@@ -188,7 +188,7 @@ test_v1_build_cell(void *arg)
 
   /* Note the wrong digest in the circuit, cell should fail validation. */
   circ->package_window = CIRCWINDOW_INCREMENT + 1;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_int_op(smartlist_len(circ->sendme_last_digests), OP_EQ, 1);
   setup_full_capture_of_logs(LOG_INFO);
   tt_int_op(sendme_is_valid(circ, payload, sizeof(payload)), OP_EQ, false);
@@ -200,7 +200,7 @@ test_v1_build_cell(void *arg)
   /* Record the cell digest into the circuit, cell should validate. */
   memcpy(or_circ->crypto.sendme_digest, digest, sizeof(digest));
   circ->package_window = CIRCWINDOW_INCREMENT + 1;
-  sendme_note_cell_digest(circ);
+  sendme_record_cell_digest(circ);
   tt_int_op(smartlist_len(circ->sendme_last_digests), OP_EQ, 1);
   tt_int_op(sendme_is_valid(circ, payload, sizeof(payload)), OP_EQ, true);
   /* After a validation, the last digests is always popped out. */
@@ -254,7 +254,7 @@ test_cell_payload_pad(void *arg)
 }
 
 struct testcase_t sendme_tests[] = {
-  { "v1_note_digest", test_v1_note_digest, TT_FORK,
+  { "v1_record_digest", test_v1_record_digest, TT_FORK,
     NULL, NULL },
   { "v1_consensus_params", test_v1_consensus_params, TT_FORK,
     NULL, NULL },