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authorLennart Poettering <lennart@poettering.net>2010-07-10 15:42:24 +0200
committerLennart Poettering <lennart@poettering.net>2010-07-10 15:42:24 +0200
commit582a507f1abdca75abe34945b4bbd5e97e9b45a8 (patch)
tree00f903fda9ba826565bd37712ed9a03eb884dea7 /src/systemctl.c
parentb827a9f97dcc88f4b9e23d656d7325455eb33848 (diff)
systemctl: show exec status of all exited programs
Diffstat (limited to 'src/systemctl.c')
-rw-r--r--src/systemctl.c258
1 files changed, 200 insertions, 58 deletions
diff --git a/src/systemctl.c b/src/systemctl.c
index dc6fb5ea40..53b6b47b61 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -43,6 +43,7 @@
#include "strv.h"
#include "dbus-common.h"
#include "cgroup-show.h"
+#include "list.h"
static const char *arg_type = NULL;
static const char *arg_property = NULL;
@@ -922,6 +923,95 @@ finish:
return r;
}
+typedef struct ExecStatusInfo {
+ char *path;
+ char **argv;
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+ pid_t pid;
+ int code;
+ int status;
+
+ LIST_FIELDS(struct ExecStatusInfo, exec);
+} ExecStatusInfo;
+
+static void exec_status_info_free(ExecStatusInfo *i) {
+ assert(i);
+
+ free(i->path);
+ strv_free(i->argv);
+ free(i);
+}
+
+static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
+ uint64_t start_timestamp, exit_timestamp;
+ DBusMessageIter sub2, sub3;
+ const char*path;
+ unsigned n;
+ uint32_t pid;
+ int32_t code, status;
+
+ assert(i);
+ assert(i);
+
+ if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
+ return -EIO;
+
+ dbus_message_iter_recurse(sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
+ return -EIO;
+
+ if (!(i->path = strdup(path)))
+ return -ENOMEM;
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
+ return -EIO;
+
+ n = 0;
+ dbus_message_iter_recurse(&sub2, &sub3);
+ while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+ assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+ dbus_message_iter_next(&sub3);
+ n++;
+ }
+
+
+ if (!(i->argv = new0(char*, n+1)))
+ return -ENOMEM;
+
+ n = 0;
+ dbus_message_iter_recurse(&sub2, &sub3);
+ while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub3, &s);
+ dbus_message_iter_next(&sub3);
+
+ if (!(i->argv[n++] = strdup(s)))
+ return -ENOMEM;
+ }
+
+ if (!dbus_message_iter_next(&sub2) ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
+ return -EIO;
+
+ i->start_timestamp = (usec_t) start_timestamp;
+ i->exit_timestamp = (usec_t) exit_timestamp;
+ i->pid = (pid_t) pid;
+ i->code = code;
+ i->status = status;
+
+ return 0;
+}
+
typedef struct UnitStatusInfo {
const char *id;
const char *load_state;
@@ -957,9 +1047,13 @@ typedef struct UnitStatusInfo {
/* Swap */
const char *what;
+
+ LIST_HEAD(ExecStatusInfo, exec);
} UnitStatusInfo;
static void print_status_info(UnitStatusInfo *i) {
+ ExecStatusInfo *p;
+
assert(i);
/* This shows pretty information about a unit. See
@@ -979,14 +1073,23 @@ static void print_status_info(UnitStatusInfo *i) {
else
printf("\t Loaded: %s\n", strna(i->load_state));
- if (streq_ptr(i->active_state, "maintenance"))
- printf("\t Active: " ANSI_HIGHLIGHT_ON "%s (%s)" ANSI_HIGHLIGHT_OFF "\n",
- strna(i->active_state),
- strna(i->sub_state));
- else
- printf("\t Active: %s (%s)\n",
- strna(i->active_state),
- strna(i->sub_state));
+ if (streq_ptr(i->active_state, "maintenance")) {
+ if (streq_ptr(i->active_state, i->sub_state))
+ printf("\t Active: " ANSI_HIGHLIGHT_ON "%s" ANSI_HIGHLIGHT_OFF "\n",
+ strna(i->active_state));
+ else
+ printf("\t Active: " ANSI_HIGHLIGHT_ON "%s (%s)" ANSI_HIGHLIGHT_OFF "\n",
+ strna(i->active_state),
+ strna(i->sub_state));
+ } else {
+ if (streq_ptr(i->active_state, i->sub_state))
+ printf("\t Active: %s\n",
+ strna(i->active_state));
+ else
+ printf("\t Active: %s (%s)\n",
+ strna(i->active_state),
+ strna(i->sub_state));
+ }
if (i->sysfs_path)
printf("\t Device: %s\n", i->sysfs_path);
@@ -1001,11 +1104,38 @@ static void print_status_info(UnitStatusInfo *i) {
if (i->accept)
printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
+ LIST_FOREACH(exec, p, i->exec) {
+ char *t;
+
+ /* Only show exited processes here */
+ if (p->code == 0)
+ continue;
+
+ t = strv_join(p->argv, " ");
+ printf("\t Exited: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code));
+ free(t);
+
+ if (p->code == CLD_EXITED)
+ printf("status=%i", p->status);
+ else
+ printf("signal=%s", signal_to_string(p->status));
+ printf(")\n");
+
+ if (i->main_pid == p->pid &&
+ i->start_timestamp == p->start_timestamp &&
+ i->exit_timestamp == p->start_timestamp)
+ /* Let's not show this twice */
+ i->main_pid = 0;
+
+ if (p->pid == i->control_pid)
+ i->control_pid = 0;
+ }
+
if (i->main_pid > 0 || i->control_pid > 0) {
printf("\t");
if (i->main_pid > 0) {
- printf(" Process: %u", (unsigned) i->main_pid);
+ printf(" Main: %u", (unsigned) i->main_pid);
if (i->running) {
char *t = NULL;
@@ -1020,7 +1150,7 @@ static void print_status_info(UnitStatusInfo *i) {
if (i->exit_code == CLD_EXITED)
printf("status=%i", i->exit_status);
else
- printf("signal=%s", strsignal(i->exit_status));
+ printf("signal=%s", signal_to_string(i->exit_status));
printf(")");
}
}
@@ -1153,6 +1283,34 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
break;
}
+
+ case DBUS_TYPE_ARRAY: {
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
+ startswith(name, "Exec")) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ ExecStatusInfo *info;
+ int r;
+
+ if (!(info = new0(ExecStatusInfo, 1)))
+ return -ENOMEM;
+
+ if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
+ free(info);
+ return r;
+ }
+
+ LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
+
+ dbus_message_iter_next(&sub);
+ }
+ }
+
+ break;
+ }
}
return 0;
@@ -1266,7 +1424,6 @@ static int print_property(const char *name, DBusMessageIter *iter) {
bool space = false;
dbus_message_iter_recurse(iter, &sub);
-
if (arg_all ||
dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
printf("%s=", name);
@@ -1286,11 +1443,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
}
return 0;
+
} else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) {
DBusMessageIter sub;
dbus_message_iter_recurse(iter, &sub);
-
if (arg_all ||
dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
printf("%s=", name);
@@ -1309,11 +1466,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
}
return 0;
+
} else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
DBusMessageIter sub, sub2;
dbus_message_iter_recurse(iter, &sub);
-
while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
const char *type, *path;
@@ -1327,11 +1484,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
}
return 0;
+
} else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
DBusMessageIter sub, sub2;
dbus_message_iter_recurse(iter, &sub);
-
while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
const char *base;
uint64_t value, next_elapse;
@@ -1353,59 +1510,38 @@ static int print_property(const char *name, DBusMessageIter *iter) {
}
return 0;
- } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
- DBusMessageIter sub, sub2, sub3;
+ } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
+ DBusMessageIter sub;
dbus_message_iter_recurse(iter, &sub);
-
while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
- const char *path;
- uint64_t start_time, exit_time;
- uint32_t pid;
- int32_t code, status;
-
- dbus_message_iter_recurse(&sub, &sub2);
-
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
- continue;
-
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
- continue;
-
- printf("%s={ path=%s ; argv[]=", name, path);
-
- dbus_message_iter_recurse(&sub2, &sub3);
-
- while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
- const char *s;
-
- assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
- dbus_message_iter_get_basic(&sub3, &s);
- printf("%s ", s);
- dbus_message_iter_next(&sub3);
- }
-
- if (dbus_message_iter_next(&sub2) &&
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_time, true) >= 0 &&
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_time, true) >= 0 &&
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) >= 0 &&
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) >= 0 &&
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) >= 0) {
+ ExecStatusInfo info;
+ zero(info);
+ if (exec_status_info_deserialize(&sub, &info) >= 0) {
char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
+ char *t;
+
+ t = strv_join(info.argv, " ");
+
+ printf("%s={ path=%s ; argv[]=%s; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+ name,
+ strna(info.path),
+ strna(t),
+ strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+ strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+ (unsigned) info. pid,
+ sigchld_code_to_string(info.code),
+ info.status,
+ info.code == CLD_EXITED ? "" : "/",
+ strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
- printf("; start=%s ; stop=%s ; pid=%u ; code=%s ; status=%i/%s",
- strna(format_timestamp(timestamp1, sizeof(timestamp1), start_time)),
- strna(format_timestamp(timestamp2, sizeof(timestamp2), exit_time)),
- (unsigned) pid,
- sigchld_code_to_string(code),
- status,
- strempty(code == CLD_EXITED ? NULL : strsignal(status)));
+ free(t);
}
- printf(" }\n");
+ free(info.path);
+ strv_free(info.argv);
dbus_message_iter_next(&sub);
}
@@ -1429,6 +1565,7 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties,
DBusError error;
DBusMessageIter iter, sub, sub2, sub3;
UnitStatusInfo info;
+ ExecStatusInfo *p;
assert(bus);
assert(path);
@@ -1518,6 +1655,11 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties,
if (!show_properties)
print_status_info(&info);
+ while ((p = info.exec)) {
+ LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
+ exec_status_info_free(p);
+ }
+
r = 0;
finish: