summaryrefslogtreecommitdiff
path: root/src/socket.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/socket.c')
-rw-r--r--src/socket.c170
1 files changed, 98 insertions, 72 deletions
diff --git a/src/socket.c b/src/socket.c
index 244b124df4..f247d09bfa 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -1156,23 +1156,23 @@ fail:
return r;
}
-static void socket_enter_dead(Socket *s, bool success) {
+static void socket_enter_dead(Socket *s, SocketResult f) {
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SOCKET_SUCCESS)
+ s->result = f;
- socket_set_state(s, s->failure ? SOCKET_FAILED : SOCKET_DEAD);
+ socket_set_state(s, s->result != SOCKET_SUCCESS ? SOCKET_FAILED : SOCKET_DEAD);
}
-static void socket_enter_signal(Socket *s, SocketState state, bool success);
+static void socket_enter_signal(Socket *s, SocketState state, SocketResult f);
-static void socket_enter_stop_post(Socket *s, bool success) {
+static void socket_enter_stop_post(Socket *s, SocketResult f) {
int r;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SOCKET_SUCCESS)
+ s->result = f;
socket_unwatch_control_pid(s);
@@ -1184,24 +1184,24 @@ static void socket_enter_stop_post(Socket *s, bool success) {
socket_set_state(s, SOCKET_STOP_POST);
} else
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_SUCCESS);
return;
fail:
log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_RESOURCES);
}
-static void socket_enter_signal(Socket *s, SocketState state, bool success) {
+static void socket_enter_signal(Socket *s, SocketState state, SocketResult f) {
int r;
Set *pid_set = NULL;
bool wait_for_exit = false;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SOCKET_SUCCESS)
+ s->result = f;
if (s->exec_context.kill_mode != KILL_NONE) {
int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
@@ -1243,9 +1243,9 @@ static void socket_enter_signal(Socket *s, SocketState state, bool success) {
socket_set_state(s, state);
} else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
- socket_enter_stop_post(s, true);
+ socket_enter_stop_post(s, SOCKET_SUCCESS);
else
- socket_enter_dead(s, true);
+ socket_enter_dead(s, SOCKET_SUCCESS);
return;
@@ -1253,20 +1253,20 @@ fail:
log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
- socket_enter_stop_post(s, false);
+ socket_enter_stop_post(s, SOCKET_FAILURE_RESOURCES);
else
- socket_enter_dead(s, false);
+ socket_enter_dead(s, SOCKET_FAILURE_RESOURCES);
if (pid_set)
set_free(pid_set);
}
-static void socket_enter_stop_pre(Socket *s, bool success) {
+static void socket_enter_stop_pre(Socket *s, SocketResult f) {
int r;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SOCKET_SUCCESS)
+ s->result = f;
socket_unwatch_control_pid(s);
@@ -1278,20 +1278,21 @@ static void socket_enter_stop_pre(Socket *s, bool success) {
socket_set_state(s, SOCKET_STOP_PRE);
} else
- socket_enter_stop_post(s, true);
+ socket_enter_stop_post(s, SOCKET_SUCCESS);
return;
fail:
log_warning("%s failed to run 'stop-pre' task: %s", UNIT(s)->id, strerror(-r));
- socket_enter_stop_post(s, false);
+ socket_enter_stop_post(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_listening(Socket *s) {
int r;
assert(s);
- if ((r = socket_watch_fds(s)) < 0) {
+ r = socket_watch_fds(s);
+ if (r < 0) {
log_warning("%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
@@ -1300,14 +1301,15 @@ static void socket_enter_listening(Socket *s) {
return;
fail:
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_start_post(Socket *s) {
int r;
assert(s);
- if ((r = socket_open_fds(s)) < 0) {
+ r = socket_open_fds(s);
+ if (r < 0) {
log_warning("%s failed to listen on sockets: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
@@ -1317,7 +1319,8 @@ static void socket_enter_start_post(Socket *s) {
s->control_command_id = SOCKET_EXEC_START_POST;
if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) {
- if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) {
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0) {
log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
@@ -1329,7 +1332,7 @@ static void socket_enter_start_post(Socket *s) {
return;
fail:
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_start_pre(Socket *s) {
@@ -1352,7 +1355,7 @@ static void socket_enter_start_pre(Socket *s) {
fail:
log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
- socket_enter_dead(s, false);
+ socket_enter_dead(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_running(Socket *s, int cfd) {
@@ -1376,7 +1379,7 @@ static void socket_enter_running(Socket *s, int cfd) {
r = socket_watch_fds(s);
if (r < 0) {
log_warning("%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
}
}
@@ -1478,7 +1481,7 @@ static void socket_enter_running(Socket *s, int cfd) {
fail:
log_warning("%s failed to queue socket startup job: %s", UNIT(s)->id, bus_error(&error, r));
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
if (cfd >= 0)
close_nointr_nofail(cfd);
@@ -1486,16 +1489,13 @@ fail:
dbus_error_free(&error);
}
-static void socket_run_next(Socket *s, bool success) {
+static void socket_run_next(Socket *s) {
int r;
assert(s);
assert(s->control_command);
assert(s->control_command->command_next);
- if (!success)
- s->failure = true;
-
socket_unwatch_control_pid(s);
s->control_command = s->control_command->command_next;
@@ -1509,11 +1509,11 @@ fail:
log_warning("%s failed to run next task: %s", UNIT(s)->id, strerror(-r));
if (s->state == SOCKET_START_POST)
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
else if (s->state == SOCKET_STOP_POST)
- socket_enter_dead(s, false);
+ socket_enter_dead(s, SOCKET_FAILURE_RESOURCES);
else
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_RESOURCES);
}
static int socket_start(Unit *u) {
@@ -1565,7 +1565,7 @@ static int socket_start(Unit *u) {
assert(s->state == SOCKET_DEAD || s->state == SOCKET_FAILED);
- s->failure = false;
+ s->result = SOCKET_SUCCESS;
socket_enter_start_pre(s);
return 0;
}
@@ -1588,13 +1588,13 @@ static int socket_stop(Unit *u) {
* kill mode. */
if (s->state == SOCKET_START_PRE ||
s->state == SOCKET_START_POST) {
- socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, true);
+ socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, SOCKET_SUCCESS);
return -EAGAIN;
}
assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING);
- socket_enter_stop_pre(s, true);
+ socket_enter_stop_pre(s, SOCKET_SUCCESS);
return 0;
}
@@ -1608,7 +1608,7 @@ static int socket_serialize(Unit *u, FILE *f, FDSet *fds) {
assert(fds);
unit_serialize_item(u, f, "state", socket_state_to_string(s->state));
- unit_serialize_item(u, f, "failure", yes_no(s->failure));
+ unit_serialize_item(u, f, "result", socket_result_to_string(s->result));
unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted);
if (s->control_pid > 0)
@@ -1663,13 +1663,14 @@ static int socket_deserialize_item(Unit *u, const char *key, const char *value,
log_debug("Failed to parse state value %s", value);
else
s->deserialized_state = state;
- } else if (streq(key, "failure")) {
- int b;
+ } else if (streq(key, "result")) {
+ SocketResult f;
- if ((b = parse_boolean(value)) < 0)
- log_debug("Failed to parse failure value %s", value);
- else
- s->failure = b || s->failure;
+ f = socket_result_from_string(value);
+ if (f < 0)
+ log_debug("Failed to parse result value %s", value);
+ else if (f != SOCKET_SUCCESS)
+ s->result = f;
} else if (streq(key, "n-accepted")) {
unsigned k;
@@ -1842,12 +1843,12 @@ static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
return;
fail:
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
Socket *s = SOCKET(u);
- bool success;
+ SocketResult f;
assert(s);
assert(pid >= 0);
@@ -1857,22 +1858,36 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
s->control_pid = 0;
- success = is_clean_exit(code, status);
+ if (is_clean_exit(code, status))
+ f = SOCKET_SUCCESS;
+ else if (code == CLD_EXITED)
+ f = SOCKET_FAILURE_EXIT_CODE;
+ else if (code == CLD_KILLED)
+ f = SOCKET_FAILURE_SIGNAL;
+ else if (code == CLD_DUMPED)
+ f = SOCKET_FAILURE_CORE_DUMP;
+ else
+ assert_not_reached("Unknown code");
if (s->control_command) {
exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
if (s->control_command->ignore)
- success = true;
+ f = SOCKET_SUCCESS;
}
- log_full(success ? LOG_DEBUG : LOG_NOTICE,
+ log_full(f == SOCKET_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
"%s control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
- s->failure = s->failure || !success;
- if (s->control_command && s->control_command->command_next && success) {
+ if (f != SOCKET_SUCCESS)
+ s->result = f;
+
+ if (s->control_command &&
+ s->control_command->command_next &&
+ f == SOCKET_SUCCESS) {
+
log_debug("%s running next command for state %s", u->id, socket_state_to_string(s->state));
- socket_run_next(s, success);
+ socket_run_next(s);
} else {
s->control_command = NULL;
s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
@@ -1885,29 +1900,29 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
switch (s->state) {
case SOCKET_START_PRE:
- if (success)
+ if (f == SOCKET_SUCCESS)
socket_enter_start_post(s);
else
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, f);
break;
case SOCKET_START_POST:
- if (success)
+ if (f == SOCKET_SUCCESS)
socket_enter_listening(s);
else
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, f);
break;
case SOCKET_STOP_PRE:
case SOCKET_STOP_PRE_SIGTERM:
case SOCKET_STOP_PRE_SIGKILL:
- socket_enter_stop_post(s, success);
+ socket_enter_stop_post(s, f);
break;
case SOCKET_STOP_POST:
case SOCKET_FINAL_SIGTERM:
case SOCKET_FINAL_SIGKILL:
- socket_enter_dead(s, success);
+ socket_enter_dead(s, f);
break;
default:
@@ -1930,52 +1945,52 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
case SOCKET_START_PRE:
log_warning("%s starting timed out. Terminating.", u->id);
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_START_POST:
log_warning("%s starting timed out. Stopping.", u->id);
- socket_enter_stop_pre(s, false);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_PRE:
log_warning("%s stopping timed out. Terminating.", u->id);
- socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_PRE_SIGTERM:
if (s->exec_context.send_sigkill) {
log_warning("%s stopping timed out. Killing.", u->id);
- socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false);
+ socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, SOCKET_FAILURE_TIMEOUT);
} else {
log_warning("%s stopping timed out. Skipping SIGKILL. Ignoring.", u->id);
- socket_enter_stop_post(s, false);
+ socket_enter_stop_post(s, SOCKET_FAILURE_TIMEOUT);
}
break;
case SOCKET_STOP_PRE_SIGKILL:
log_warning("%s still around after SIGKILL. Ignoring.", u->id);
- socket_enter_stop_post(s, false);
+ socket_enter_stop_post(s, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_POST:
log_warning("%s stopping timed out (2). Terminating.", u->id);
- socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_FINAL_SIGTERM:
if (s->exec_context.send_sigkill) {
log_warning("%s stopping timed out (2). Killing.", u->id);
- socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false);
+ socket_enter_signal(s, SOCKET_FINAL_SIGKILL, SOCKET_FAILURE_TIMEOUT);
} else {
log_warning("%s stopping timed out (2). Skipping SIGKILL. Ignoring.", u->id);
- socket_enter_dead(s, false);
+ socket_enter_dead(s, SOCKET_FAILURE_TIMEOUT);
}
break;
case SOCKET_FINAL_SIGKILL:
log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
- socket_enter_dead(s, false);
+ socket_enter_dead(s, SOCKET_FAILURE_TIMEOUT);
break;
default:
@@ -2057,7 +2072,7 @@ static void socket_reset_failed(Unit *u) {
if (s->state == SOCKET_FAILED)
socket_set_state(s, SOCKET_DEAD);
- s->failure = false;
+ s->result = SOCKET_SUCCESS;
}
static int socket_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
@@ -2133,6 +2148,17 @@ static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = {
DEFINE_STRING_TABLE_LOOKUP(socket_exec_command, SocketExecCommand);
+static const char* const socket_result_table[_SOCKET_RESULT_MAX] = {
+ [SOCKET_SUCCESS] = "success",
+ [SOCKET_FAILURE_RESOURCES] = "resources",
+ [SOCKET_FAILURE_TIMEOUT] = "timeout",
+ [SOCKET_FAILURE_EXIT_CODE] = "exit-code",
+ [SOCKET_FAILURE_SIGNAL] = "signal",
+ [SOCKET_FAILURE_CORE_DUMP] = "core-dump"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(socket_result, SocketResult);
+
const UnitVTable socket_vtable = {
.suffix = ".socket",
.object_size = sizeof(Socket),
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-10 12:25:00 +0000