4 files changed, 45 insertions, 38 deletions

diff --git a/src/feature/control/btrack.c b/src/feature/control/btrack.c
index 3a6ae07881..3ce97dc855 100644
--- a/src/feature/control/btrack.c
+++ b/src/feature/control/btrack.c
@@ -32,8 +32,6 @@ btrack_init(void)
 {
   if (btrack_orconn_init())
     return -1;
-  if (btrack_circ_init())
-    return -1;
 
   return 0;
 }
@@ -48,7 +46,12 @@ btrack_fini(void)
 static int
 btrack_add_pubsub(pubsub_connector_t *connector)
 {
-  return btrack_orconn_add_pubsub(connector);
+  if (btrack_orconn_add_pubsub(connector))
+    return -1;
+  if (btrack_circ_add_pubsub(connector))
+    return -1;
+
+  return 0;
 }
 
 const subsys_fns_t sys_btrack = {
diff --git a/src/feature/control/btrack_circuit.c b/src/feature/control/btrack_circuit.c
index dcee9e460e..2980c77ddc 100644
--- a/src/feature/control/btrack_circuit.c
+++ b/src/feature/control/btrack_circuit.c
@@ -109,51 +109,53 @@ btc_update_evtype(const ocirc_cevent_msg_t *msg, btc_best_t *best,
   return false;
 }
 
+DECLARE_SUBSCRIBE(ocirc_state, btc_state_rcvr);
+DECLARE_SUBSCRIBE(ocirc_cevent, btc_cevent_rcvr);
+DECLARE_SUBSCRIBE(ocirc_chan, btc_chan_rcvr);
+
 static void
-btc_state_rcvr(const ocirc_state_msg_t *msg)
+btc_state_rcvr(const msg_t *msg, const ocirc_state_msg_t *arg)
 {
+  (void)msg;
   log_debug(LD_BTRACK, "CIRC gid=%"PRIu32" state=%d onehop=%d",
-            msg->gid, msg->state, msg->onehop);
+            arg->gid, arg->state, arg->onehop);
 
-  btc_update_state(msg, &best_any_state, "ANY");
-  if (msg->onehop)
+  btc_update_state(arg, &best_any_state, "ANY");
+  if (arg->onehop)
     return;
-  btc_update_state(msg, &best_ap_state, "AP");
+  btc_update_state(arg, &best_ap_state, "AP");
 }
 
 static void
-btc_cevent_rcvr(const ocirc_cevent_msg_t *msg)
+btc_cevent_rcvr(const msg_t *msg, const ocirc_cevent_msg_t *arg)
 {
+  (void)msg;
   log_debug(LD_BTRACK, "CIRC gid=%"PRIu32" evtype=%d reason=%d onehop=%d",
-            msg->gid, msg->evtype, msg->reason, msg->onehop);
+            arg->gid, arg->evtype, arg->reason, arg->onehop);
 
-  btc_update_evtype(msg, &best_any_evtype, "ANY");
-  if (msg->onehop)
+  btc_update_evtype(arg, &best_any_evtype, "ANY");
+  if (arg->onehop)
     return;
-  btc_update_evtype(msg, &best_ap_evtype, "AP");
+  btc_update_evtype(arg, &best_ap_evtype, "AP");
 }
 
 static void
-btc_event_rcvr(const ocirc_event_msg_t *msg)
+btc_chan_rcvr(const msg_t *msg, const ocirc_chan_msg_t *arg)
 {
-  switch (msg->type) {
-  case OCIRC_MSGTYPE_STATE:
-    return btc_state_rcvr(&msg->u.state);
-  case OCIRC_MSGTYPE_CHAN:
-    log_debug(LD_BTRACK, "CIRC gid=%"PRIu32" chan=%"PRIu64" onehop=%d",
-              msg->u.chan.gid, msg->u.chan.chan, msg->u.chan.onehop);
-    break;
-  case OCIRC_MSGTYPE_CEVENT:
-    return btc_cevent_rcvr(&msg->u.cevent);
-  default:
-    break;
-  }
+  (void)msg;
+  log_debug(LD_BTRACK, "CIRC gid=%"PRIu32" chan=%"PRIu64" onehop=%d",
+            arg->gid, arg->chan, arg->onehop);
 }
 
 int
-btrack_circ_init(void)
+btrack_circ_add_pubsub(pubsub_connector_t *connector)
 {
-  ocirc_event_subscribe(btc_event_rcvr);
+  if (DISPATCH_ADD_SUB(connector, ocirc, ocirc_chan))
+    return -1;
+  if (DISPATCH_ADD_SUB(connector, ocirc, ocirc_cevent))
+    return -1;
+  if (DISPATCH_ADD_SUB(connector, ocirc, ocirc_state))
+    return -1;
   return 0;
 }
 
diff --git a/src/feature/control/btrack_circuit.h b/src/feature/control/btrack_circuit.h
index c40822f1f1..b2ae6484f0 100644
--- a/src/feature/control/btrack_circuit.h
+++ b/src/feature/control/btrack_circuit.h
@@ -9,7 +9,10 @@
 #ifndef TOR_BTRACK_CIRCUIT_H
 #define TOR_BTRACK_CIRCUIT_H
 
+#include "lib/pubsub/pubsub.h"
+
 int btrack_circ_init(void);
 void btrack_circ_fini(void);
+int btrack_circ_add_pubsub(pubsub_connector_t *);
 
 #endif  /* defined(TOR_BTRACK_CIRCUIT_H) */
diff --git a/src/feature/control/btrack_orconn.c b/src/feature/control/btrack_orconn.c
index cbeb7b4ff1..922b542a0c 100644
--- a/src/feature/control/btrack_orconn.c
+++ b/src/feature/control/btrack_orconn.c
@@ -49,6 +49,7 @@
 
 DECLARE_SUBSCRIBE(orconn_state, bto_state_rcvr);
 DECLARE_SUBSCRIBE(orconn_status, bto_status_rcvr);
+DECLARE_SUBSCRIBE(ocirc_chan, bto_chan_rcvr);
 
 /** Pair of a best ORCONN GID and with its state */
 typedef struct bto_best_t {
@@ -155,21 +156,18 @@ bto_status_rcvr(const msg_t *msg, const orconn_status_msg_t *arg)
  * and whether it's a one-hop circuit.
  **/
 static void
-bto_chan_rcvr(const ocirc_event_msg_t *msg)
+bto_chan_rcvr(const msg_t *msg, const ocirc_chan_msg_t *arg)
 {
   bt_orconn_t *bto;
 
-  /* Ignore other kinds of origin circuit events; we don't need them */
-  if (msg->type != OCIRC_MSGTYPE_CHAN)
-    return;
-
-  bto = bto_find_or_new(0, msg->u.chan.chan);
-  if (!bto->is_orig || (bto->is_onehop && !msg->u.chan.onehop)) {
+  (void)msg;
+  bto = bto_find_or_new(0, arg->chan);
+  if (!bto->is_orig || (bto->is_onehop && !arg->onehop)) {
     log_debug(LD_BTRACK, "ORCONN LAUNCH chan=%"PRIu64" onehop=%d",
-              msg->u.chan.chan, msg->u.chan.onehop);
+              arg->chan, arg->onehop);
   }
   bto->is_orig = true;
-  if (!msg->u.chan.onehop)
+  if (!arg->onehop)
     bto->is_onehop = false;
   bto_update_bests(bto);
 }
@@ -182,7 +180,6 @@ int
 btrack_orconn_init(void)
 {
   bto_init_maps();
-  ocirc_event_subscribe(bto_chan_rcvr);
 
   return 0;
 }
@@ -194,6 +191,8 @@ btrack_orconn_add_pubsub(pubsub_connector_t *connector)
     return -1;
   if (DISPATCH_ADD_SUB(connector, orconn, orconn_status))
     return -1;
+  if (DISPATCH_ADD_SUB(connector, ocirc, ocirc_chan))
+    return -1;
   return 0;
 }