diff options
Diffstat (limited to 'socket.c')
-rw-r--r-- | socket.c | 102 |
1 files changed, 48 insertions, 54 deletions
@@ -79,7 +79,7 @@ static void socket_done(Unit *u) { } exec_context_done(&s->exec_context); - exec_command_free_array(s->exec_command, _SOCKET_EXEC_MAX); + exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX); s->control_command = NULL; if (s->control_pid > 0) { @@ -90,17 +90,16 @@ static void socket_done(Unit *u) { s->service = NULL; free(s->bind_to_device); + s->bind_to_device = NULL; unit_unwatch_timer(u, &s->timer_watch); } -static int socket_init(Unit *u, UnitLoadState *new_state) { +static void socket_init(Unit *u) { Socket *s = SOCKET(u); - char *t; - int r; - /* First, reset everything to the defaults, in case this is a - * reload */ + assert(u); + assert(u->meta.load_state == UNIT_STUB); s->state = 0; s->timer_watch.type = WATCH_INVALID; @@ -112,27 +111,24 @@ static int socket_init(Unit *u, UnitLoadState *new_state) { s->kill_mode = 0; s->failure = false; s->control_pid = 0; + s->service = NULL; exec_context_init(&s->exec_context); +} - if ((r = unit_load_fragment(u, new_state)) < 0) - return r; +static int socket_load(Unit *u) { + Socket *s = SOCKET(u); + int r; - if (*new_state == UNIT_STUB) - return -ENOENT; + assert(u); + assert(u->meta.load_state == UNIT_STUB); - if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) + if ((r = unit_load_fragment_and_dropin(u)) < 0) return r; /* This is a new unit? Then let's add in some extras */ - if (*new_state == UNIT_LOADED) { - - if (!(t = unit_name_change_suffix(unit_id(u), ".service"))) - return -ENOMEM; + if (u->meta.load_state == UNIT_LOADED) { - r = manager_load_unit(u->meta.manager, t, (Unit**) &s->service); - free(t); - - if (r < 0) + if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service))) return r; if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service))) < 0) @@ -163,7 +159,7 @@ static const char* listen_lookup(int type) { static void socket_dump(Unit *u, FILE *f, const char *prefix) { - static const char* const command_table[_SOCKET_EXEC_MAX] = { + static const char* const command_table[_SOCKET_EXEC_COMMAND_MAX] = { [SOCKET_EXEC_START_PRE] = "StartPre", [SOCKET_EXEC_START_POST] = "StartPost", [SOCKET_EXEC_STOP_PRE] = "StopPre", @@ -226,7 +222,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) { exec_context_dump(&s->exec_context, f, prefix); - for (c = 0; c < _SOCKET_EXEC_MAX; c++) { + for (c = 0; c < _SOCKET_EXEC_COMMAND_MAX; c++) { if (!s->exec_command[c]) continue; @@ -363,27 +359,16 @@ static void socket_set_state(Socket *s, SocketState state) { state != SOCKET_STOP_PRE_SIGKILL && state != SOCKET_STOP_POST && state != SOCKET_STOP_POST_SIGTERM && - state != SOCKET_STOP_POST_SIGKILL) + state != SOCKET_STOP_POST_SIGKILL) { unit_unwatch_timer(UNIT(s), &s->timer_watch); - if (state != SOCKET_START_PRE && - state != SOCKET_START_POST && - state != SOCKET_STOP_PRE && - state != SOCKET_STOP_PRE_SIGTERM && - state != SOCKET_STOP_PRE_SIGKILL && - state != SOCKET_STOP_POST && - state != SOCKET_STOP_POST_SIGTERM && - state != SOCKET_STOP_POST_SIGKILL) if (s->control_pid > 0) { unit_unwatch_pid(UNIT(s), s->control_pid); s->control_pid = 0; } - if (state != SOCKET_START_PRE && - state != SOCKET_START_POST && - state != SOCKET_STOP_PRE && - state != SOCKET_STOP_POST) s->control_command = NULL; + } if (state != SOCKET_START_POST && state != SOCKET_LISTENING && @@ -396,15 +381,13 @@ static void socket_set_state(Socket *s, SocketState state) { if (state != SOCKET_LISTENING) socket_unwatch_fds(s); - if (state == old_state) - return; - - log_debug("%s changed %s → %s", unit_id(UNIT(s)), state_string_table[old_state], state_string_table[state]); + if (state != old_state) + log_debug("%s changed %s → %s", unit_id(UNIT(s)), state_string_table[old_state], state_string_table[state]); unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); } -static int socket_spawn(Socket *s, ExecCommand *c, bool timeout, pid_t *_pid) { +static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { pid_t pid; int r; @@ -412,11 +395,8 @@ static int socket_spawn(Socket *s, ExecCommand *c, bool timeout, pid_t *_pid) { assert(c); assert(_pid); - if (timeout) { - if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) - goto fail; - } else - unit_unwatch_timer(UNIT(s), &s->timer_watch); + if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) + goto fail; if ((r = exec_spawn(c, &s->exec_context, @@ -436,8 +416,7 @@ static int socket_spawn(Socket *s, ExecCommand *c, bool timeout, pid_t *_pid) { return 0; fail: - if (timeout) - unit_unwatch_timer(UNIT(s), &s->timer_watch); + unit_unwatch_timer(UNIT(s), &s->timer_watch); return r; } @@ -459,7 +438,7 @@ static void socket_enter_stop_post(Socket *s, bool success) { s->failure = true; if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) - if ((r = socket_spawn(s, s->control_command, true, &s->control_pid)) < 0) + if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; socket_set_state(s, SOCKET_STOP_POST); @@ -502,7 +481,6 @@ static void socket_enter_signal(Socket *s, SocketState state, bool success) { r = -errno; goto fail; } - } socket_set_state(s, state); @@ -529,7 +507,7 @@ static void socket_enter_stop_pre(Socket *s, bool success) { s->failure = true; if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) - if ((r = socket_spawn(s, s->control_command, true, &s->control_pid)) < 0) + if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; socket_set_state(s, SOCKET_STOP_PRE); @@ -570,7 +548,7 @@ static void socket_enter_start_post(Socket *s) { } if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) - if ((r = socket_spawn(s, s->control_command, true, &s->control_pid)) < 0) { + if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) { log_warning("%s failed to run start-post executable: %s", unit_id(UNIT(s)), strerror(-r)); goto fail; } @@ -591,7 +569,7 @@ static void socket_enter_start_pre(Socket *s) { assert(s); if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) - if ((r = socket_spawn(s, s->control_command, true, &s->control_pid)) < 0) + if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; socket_set_state(s, SOCKET_START_PRE); @@ -634,7 +612,7 @@ static void socket_run_next(Socket *s, bool success) { s->control_command = s->control_command->command_next; - if ((r = socket_spawn(s, s->control_command, true, &s->control_pid)) < 0) + if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; return; @@ -671,6 +649,13 @@ static int socket_start(Unit *u) { if (s->service->meta.load_state != UNIT_LOADED) return -ENOENT; + /* If the service is alredy actvie we cannot start the + * socket */ + if (s->service->state != SERVICE_DEAD && + s->service->state != SERVICE_MAINTAINANCE && + s->service->state != SERVICE_AUTO_RESTART) + return -EBUSY; + assert(s->state == SOCKET_DEAD || s->state == SOCKET_MAINTAINANCE); s->failure = false; @@ -689,6 +674,15 @@ static int socket_stop(Unit *u) { s->state == SOCKET_START_POST) return -EAGAIN; + /* Already on it */ + if (s->state == SOCKET_STOP_PRE || + s->state == SOCKET_STOP_PRE_SIGTERM || + s->state == SOCKET_STOP_PRE_SIGKILL || + s->state == SOCKET_STOP_POST || + s->state == SOCKET_STOP_POST_SIGTERM || + s->state == SOCKET_STOP_POST_SIGTERM) + return 0; + assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING); socket_enter_stop_pre(s, true); @@ -781,14 +775,13 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { assert(s); assert(elapsed == 1); - assert(w == &s->timer_watch); switch (s->state) { case SOCKET_START_PRE: case SOCKET_START_POST: - log_warning("%s operation timed out. Stopping.", unit_id(u)); + log_warning("%s starting timed out. Stopping.", unit_id(u)); socket_enter_stop_pre(s, false); break; @@ -874,6 +867,7 @@ const UnitVTable socket_vtable = { .suffix = ".socket", .init = socket_init, + .load = socket_load, .done = socket_done, .dump = socket_dump, |