commit b06e9d8ad58bfe11d2c1f6a921ba059658a578f2 Author: Nick Mathewson nickm@torproject.org Date: Fri Nov 1 10:41:02 2019 -0400
Add testing-only functions to get the subsystem config/state indices --- src/app/main/subsysmgr.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ src/app/main/subsysmgr.h | 5 +++++ 2 files changed, 53 insertions(+)
diff --git a/src/app/main/subsysmgr.c b/src/app/main/subsysmgr.c index bd9af1144..4189519ca 100644 --- a/src/app/main/subsysmgr.c +++ b/src/app/main/subsysmgr.c @@ -335,6 +335,54 @@ subsystems_register_state_formats(config_mgr_t *mgr) return 0; }
+#ifdef TOR_UNIT_TESTS +/** + * Helper: look up the index for <b>sys</b>. Return -1 if the subsystem + * is not recognized. + **/ +static int +subsys_get_idx(const subsys_fns_t *sys) +{ + for (unsigned i = 0; i < n_tor_subsystems; ++i) { + if (sys == tor_subsystems[i]) + return (int)i; + } + return -1; +} + +/** + * Return the current state-manager's index for any state held by the + * subsystem <b>sys</b>. If <b>sys</b> has no options, return -1. + * + * Using raw indices can be error-prone: only do this from the unit + * tests. If you need a way to access another subsystem's configuration, + * that subsystem should provide access functions. + **/ +int +subsystems_get_options_idx(const subsys_fns_t *sys) +{ + int i = subsys_get_idx(sys); + tor_assert(i >= 0); + return sys_status[i].options_idx; +} + +/** + * Return the current state-manager's index for any state held by the + * subsystem <b>sys</b>. If <b>sys</b> has no state, return -1. + * + * Using raw indices can be error-prone: only do this from the unit + * tests. If you need a way to access another subsystem's state + * that subsystem should provide access functions. + **/ +int +subsystems_get_state_idx(const subsys_fns_t *sys) +{ + int i = subsys_get_idx(sys); + tor_assert(i >= 0); + return sys_status[i].state_idx; +} +#endif + /** * Call all appropriate set_options() methods to tell the various subsystems * about a new set of torrc options. Return 0 on success, -1 on diff --git a/src/app/main/subsysmgr.h b/src/app/main/subsysmgr.h index 7e5fe7636..c1138e1ff 100644 --- a/src/app/main/subsysmgr.h +++ b/src/app/main/subsysmgr.h @@ -43,4 +43,9 @@ int subsystems_set_state(const struct config_mgr_t *mgr, int subsystems_flush_state(const struct config_mgr_t *mgr, struct or_state_t *state);
+#ifdef TOR_UNIT_TESTS +int subsystems_get_options_idx(const subsys_fns_t *sys); +int subsystems_get_state_idx(const subsys_fns_t *sys); +#endif + #endif /* !defined(TOR_SUBSYSMGR_T) */