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loginctl: add various introspection functions

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This commit is contained in:
Lennart Poettering 2011-07-08 21:39:10 +02:00
parent 33fd64726c
commit a4c279f874
6 changed files with 1093 additions and 126 deletions
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9
Makefile.am
View File

@ -1136,15 +1136,18 @@ systemd_loginctl_SOURCES = \
src/dbus-common.c \
src/cgroup-show.c \
src/cgroup-util.c \
src/pager.c
src/pager.c \
src/sysfs-show.c
systemd_loginctl_CFLAGS = \
$(AM_CFLAGS) \
$(DBUS_CFLAGS)
$(DBUS_CFLAGS) \
$(UDEV_CFLAGS)
systemd_loginctl_LDADD = \
libsystemd-basic.la \
$(DBUS_LIBS)
$(DBUS_LIBS) \
$(UDEV_LIBS)
systemd_notify_SOURCES = \
src/notify.c \

6
TODO
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@ -20,6 +20,12 @@ F15 External:
Features:
* Fix nspawn to not read-only mount /selinux on the host system
* make sure people don't leave processes around after ExecStartPre=
* make sure systemd-ask-password-wall does not shutdown systemd-ask-password-console too early
* add loginctl, i.e. a systemctl for logind introspection
* support presets

134
src/dbus-common.c
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@ -837,3 +837,137 @@ int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, boo
return 0;
}
int generic_print_property(const char *name, DBusMessageIter *iter, bool all) {
assert(name);
assert(iter);
switch (dbus_message_iter_get_arg_type(iter)) {
case DBUS_TYPE_STRING: {
const char *s;
dbus_message_iter_get_basic(iter, &s);
if (all || !isempty(s))
printf("%s=%s\n", name, s);
return 1;
}
case DBUS_TYPE_BOOLEAN: {
dbus_bool_t b;
dbus_message_iter_get_basic(iter, &b);
printf("%s=%s\n", name, yes_no(b));
return 1;
}
case DBUS_TYPE_UINT64: {
uint64_t u;
dbus_message_iter_get_basic(iter, &u);
/* Yes, heuristics! But we can change this check
* should it turn out to not be sufficient */
if (endswith(name, "Timestamp")) {
char timestamp[FORMAT_TIMESTAMP_MAX], *t;
t = format_timestamp(timestamp, sizeof(timestamp), u);
if (t || all)
printf("%s=%s\n", name, strempty(t));
} else if (strstr(name, "USec")) {
char timespan[FORMAT_TIMESPAN_MAX];
printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u));
} else
printf("%s=%llu\n", name, (unsigned long long) u);
return 1;
}
case DBUS_TYPE_UINT32: {
uint32_t u;
dbus_message_iter_get_basic(iter, &u);
if (strstr(name, "UMask") || strstr(name, "Mode"))
printf("%s=%04o\n", name, u);
else
printf("%s=%u\n", name, (unsigned) u);
return 1;
}
case DBUS_TYPE_INT32: {
int32_t i;
dbus_message_iter_get_basic(iter, &i);
printf("%s=%i\n", name, (int) i);
return 1;
}
case DBUS_TYPE_DOUBLE: {
double d;
dbus_message_iter_get_basic(iter, &d);
printf("%s=%g\n", name, d);
return 1;
}
case DBUS_TYPE_ARRAY:
if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
DBusMessageIter sub;
bool space = false;
dbus_message_iter_recurse(iter, &sub);
if (all ||
dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
printf("%s=", name);
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
const char *s;
assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
dbus_message_iter_get_basic(&sub, &s);
printf("%s%s", space ? " " : "", s);
space = true;
dbus_message_iter_next(&sub);
}
puts("");
}
return 1;
} else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) {
DBusMessageIter sub;
dbus_message_iter_recurse(iter, &sub);
if (all ||
dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
printf("%s=", name);
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
uint8_t u;
assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE);
dbus_message_iter_get_basic(&sub, &u);
printf("%02x", u);
dbus_message_iter_next(&sub);
}
puts("");
}
return 1;
}
break;
}
return 0;
}

2
src/dbus-common.h
View File

@ -165,4 +165,6 @@ int bus_append_strv_iter(DBusMessageIter *iter, char **l);
int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next);
int generic_print_property(const char *name, DBusMessageIter *iter, bool all);
#endif

941
src/loginctl.c
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File diff suppressed because it is too large Load Diff

127
src/systemctl.c
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@ -2080,6 +2080,10 @@ static void print_status_info(UnitStatusInfo *i) {
static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
assert(name);
assert(iter);
assert(i);
switch (dbus_message_iter_get_arg_type(iter)) {
case DBUS_TYPE_STRING: {
@ -2087,7 +2091,7 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
dbus_message_iter_get_basic(iter, &s);
if (s[0]) {
if (!isempty(s)) {
if (streq(name, "Id"))
i->id = s;
else if (streq(name, "LoadState"))
@ -2246,74 +2250,6 @@ static int print_property(const char *name, DBusMessageIter *iter) {
switch (dbus_message_iter_get_arg_type(iter)) {
case DBUS_TYPE_STRING: {
const char *s;
dbus_message_iter_get_basic(iter, &s);
if (arg_all || s[0])
printf("%s=%s\n", name, s);
return 0;
}
case DBUS_TYPE_BOOLEAN: {
dbus_bool_t b;
dbus_message_iter_get_basic(iter, &b);
printf("%s=%s\n", name, yes_no(b));
return 0;
}
case DBUS_TYPE_UINT64: {
uint64_t u;
dbus_message_iter_get_basic(iter, &u);
/* Yes, heuristics! But we can change this check
* should it turn out to not be sufficient */
if (endswith(name, "Timestamp")) {
char timestamp[FORMAT_TIMESTAMP_MAX], *t;
if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all)
printf("%s=%s\n", name, strempty(t));
} else if (strstr(name, "USec")) {
char timespan[FORMAT_TIMESPAN_MAX];
printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u));
} else
printf("%s=%llu\n", name, (unsigned long long) u);
return 0;
}
case DBUS_TYPE_UINT32: {
uint32_t u;
dbus_message_iter_get_basic(iter, &u);
if (strstr(name, "UMask") || strstr(name, "Mode"))
printf("%s=%04o\n", name, u);
else
printf("%s=%u\n", name, (unsigned) u);
return 0;
}
case DBUS_TYPE_INT32: {
int32_t i;
dbus_message_iter_get_basic(iter, &i);
printf("%s=%i\n", name, (int) i);
return 0;
}
case DBUS_TYPE_DOUBLE: {
double d;
dbus_message_iter_get_basic(iter, &d);
printf("%s=%g\n", name, d);
return 0;
}
case DBUS_TYPE_STRUCT: {
DBusMessageIter sub;
dbus_message_iter_recurse(iter, &sub);
@ -2345,55 +2281,7 @@ static int print_property(const char *name, DBusMessageIter *iter) {
case DBUS_TYPE_ARRAY:
if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
DBusMessageIter sub;
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);
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
const char *s;
assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
dbus_message_iter_get_basic(&sub, &s);
printf("%s%s", space ? " " : "", s);
space = true;
dbus_message_iter_next(&sub);
}
puts("");
}
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);
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
uint8_t u;
assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE);
dbus_message_iter_get_basic(&sub, &u);
printf("%02x", u);
dbus_message_iter_next(&sub);
}
puts("");
}
return 0;
} else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
DBusMessageIter sub, sub2;
dbus_message_iter_recurse(iter, &sub);
@ -2498,6 +2386,9 @@ static int print_property(const char *name, DBusMessageIter *iter) {
break;
}
if (generic_print_property(name, iter, arg_all) > 0)
return 0;
if (arg_all)
printf("%s=[unprintable]\n", name);