Merge ocirc and orconn events into or subsystem.

Pubsub events are not supposed to have their own subsystems; they're
supposed to be part of a parent subsystem.

src/app/main/subsystem_list.c

@@ -14,9 +14,7 @@
 #include "lib/cc/torint.h"
 
 #include "core/mainloop/mainloop_sys.h"
-#include "core/or/ocirc_event_sys.h"
 #include "core/or/or_sys.h"
-#include "core/or/orconn_event_sys.h"
 #include "feature/control/btrack_sys.h"
 #include "lib/compress/compress_sys.h"
 #include "lib/crypt_ops/crypto_sys.h"
@@ -61,8 +59,6 @@ const subsys_fns_t *tor_subsystems[] = {
 
   &sys_mainloop,
   &sys_or,
-  &sys_orconn_event,
-  &sys_ocirc_event,
 
   &sys_relay,
 

src/core/or/include.am

@@ -74,13 +74,11 @@ noinst_HEADERS +=					\
 	src/core/or/or_periodic.h			\
 	src/core/or/or_sys.h				\
 	src/core/or/orconn_event.h			\
-	src/core/or/orconn_event_sys.h			\
 	src/core/or/or_circuit_st.h			\
 	src/core/or/or_connection_st.h			\
 	src/core/or/or_handshake_certs_st.h		\
 	src/core/or/or_handshake_state_st.h		\
 	src/core/or/ocirc_event.h			\
-	src/core/or/ocirc_event_sys.h			\
 	src/core/or/origin_circuit_st.h			\
 	src/core/or/policies.h				\
 	src/core/or/port_cfg_st.h			\

src/core/or/ocirc_event.c

@@ -22,7 +22,7 @@
 
 #include "core/or/cpath_build_state_st.h"
 #include "core/or/ocirc_event.h"
-#include "core/or/ocirc_event_sys.h"
+#include "core/or/or_sys.h"
 #include "core/or/origin_circuit_st.h"
 #include "lib/subsys/subsys.h"
 
@@ -84,7 +84,7 @@ static dispatch_typefns_t ocirc_cevent_fns = {
   .fmt_fn = ocirc_cevent_fmt,
 };
 
-static int
+int
 ocirc_add_pubsub(struct pubsub_connector_t *connector)
 {
   if (DISPATCH_REGISTER_TYPE(connector, ocirc_state, &ocirc_state_fns))
@@ -119,10 +119,3 @@ ocirc_cevent_publish(ocirc_cevent_msg_t *msg)
 {
   PUBLISH(ocirc_cevent, msg);
 }
-
-const subsys_fns_t sys_ocirc_event = {
-  .name = "ocirc_event",
-  .supported = true,
-  .level = 22,
-  .add_pubsub = ocirc_add_pubsub,
-};

src/core/or/ocirc_event_sys.h

-/* Copyright (c) 2007-2020, The Tor Project, Inc. */
-
-/**
- * \file ocirc_event_sys.h
- * \brief Declare subsystem object for the origin circuit event module.
- **/
-
-#ifndef TOR_OCIRC_EVENT_SYS_H
-#define TOR_OCIRC_EVENT_SYS_H
-
-extern const struct subsys_fns_t sys_ocirc_event;
-
-#endif /* !defined(TOR_OCIRC_EVENT_SYS_H) */

src/core/or/or_sys.c

@@ -34,10 +34,22 @@ subsys_or_shutdown(void)
   policies_free_all();
 }
 
+static int
+subsys_or_add_pubsub(struct pubsub_connector_t *connector)
+{
+  int rv = 0;
+  if (orconn_add_pubsub(connector) < 0)
+    rv = -1;
+  if (ocirc_add_pubsub(connector) < 0)
+    rv = -1;
+  return rv;
+}
+
 const struct subsys_fns_t sys_or = {
   .name = "or",
   .supported = true,
   .level = 20,
   .initialize = subsys_or_initialize,
   .shutdown = subsys_or_shutdown,
+  .add_pubsub = subsys_or_add_pubsub,
 };

src/core/or/or_sys.h

@@ -14,4 +14,8 @@
 
 extern const struct subsys_fns_t sys_or;
 
+struct pubsub_connector_t;
+int ocirc_add_pubsub(struct pubsub_connector_t *connector);
+int orconn_add_pubsub(struct pubsub_connector_t *connector);
+
 #endif /* !defined(TOR_CORE_OR_OR_SYS_H) */

src/core/or/orconn_event.c

@@ -22,7 +22,7 @@
 
 #define ORCONN_EVENT_PRIVATE
 #include "core/or/orconn_event.h"
-#include "core/or/orconn_event_sys.h"
+#include "core/or/or_sys.h"
 
 DECLARE_PUBLISH(orconn_state);
 DECLARE_PUBLISH(orconn_status);
@@ -65,7 +65,7 @@ static dispatch_typefns_t orconn_status_fns = {
   .fmt_fn = orconn_status_fmt,
 };
 
-static int
+int
 orconn_add_pubsub(struct pubsub_connector_t *connector)
 {
   if (DISPATCH_REGISTER_TYPE(connector, orconn_state, &orconn_state_fns))
@@ -90,10 +90,3 @@ orconn_status_publish(orconn_status_msg_t *msg)
 {
   PUBLISH(orconn_status, msg);
 }
-
-const subsys_fns_t sys_orconn_event = {
-  .name = "orconn_event",
-  .supported = true,
-  .level = 22,
-  .add_pubsub = orconn_add_pubsub,
-};

src/core/or/orconn_event_sys.h

-/* Copyright (c) 2007-2020, The Tor Project, Inc. */
-
-/**
- * \file orconn_event_sys.h
- * \brief Declare subsystem object for the OR connection event module.
- **/
-#ifndef TOR_ORCONN_EVENT_SYS_H
-#define TOR_ORCONN_EVENT_SYS_H
-
-extern const struct subsys_fns_t sys_orconn_event;
-
-#endif /* !defined(TOR_ORCONN_EVENT_SYS_H) */