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bus-util: make --property= optionally take value

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This commit is contained in:
Yu Watanabe 2018-09-11 17:18:14 +09:00
parent 878f2dae77
commit eda193578e
5 changed files with 109 additions and 96 deletions
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14
src/login/loginctl.c
View File

@ -723,15 +723,7 @@ static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line)
return 0;
}
#define property(name, fmt, ...) \
do { \
if (value) \
printf(fmt "\n", __VA_ARGS__); \
else \
printf("%s=" fmt "\n", name, __VA_ARGS__); \
} while (0)
static int print_property(const char *name, sd_bus_message *m, bool value, bool all) {
static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
char type;
const char *contents;
int r;
@ -755,7 +747,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
if (all || !isempty(s))
property(name, "%s", s);
bus_print_property_value(name, expected_value, value, "%s", s);
return 1;
@ -771,7 +763,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return -EINVAL;
}
property(name, UID_FMT, uid);
bus_print_property_value(name, expected_value, value, UID_FMT, uid);
return 1;
}
break;

105
src/shared/bus-util.c
View File

@ -628,15 +628,43 @@ int bus_connect_user_systemd(sd_bus **_bus) {
return 0;
}
#define print_property(name, fmt, ...) \
do { \
if (value) \
printf(fmt "\n", __VA_ARGS__); \
else \
printf("%s=" fmt "\n", name, __VA_ARGS__); \
} while (0)
int bus_print_property_value(const char *name, const char *expected_value, bool only_value, const char *fmt, ...) {
va_list ap;
int r;
int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all) {
assert(name);
assert(fmt);
if (expected_value) {
_cleanup_free_ char *s = NULL;
va_start(ap, fmt);
r = vasprintf(&s, fmt, ap);
va_end(ap);
if (r < 0)
return -ENOMEM;
if (streq_ptr(expected_value, s)) {
if (only_value)
puts(s);
else
printf("%s=%s\n", name, s);
}
return 0;
}
if (!only_value)
printf("%s=", name);
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
puts("");
return 0;
}
static int bus_print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
char type;
const char *contents;
int r;
@ -663,7 +691,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
/* This property has a single value, so we need to take
* care not to print a new line, everything else is OK. */
good = !strchr(s, '\n');
print_property(name, "%s", good ? s : "[unprintable]");
bus_print_property_value(name, expected_value, value, "%s", good ? s : "[unprintable]");
}
return 1;
@ -676,8 +704,10 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (r < 0)
return r;
print_property(name, "%s", yes_no(b));
if (expected_value && parse_boolean(expected_value) != b)
return 1;
bus_print_property_value(name, NULL, value, "%s", yes_no(b));
return 1;
}
@ -698,12 +728,14 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
t = format_timestamp(timestamp, sizeof(timestamp), u);
if (t || all)
print_property(name, "%s", strempty(t));
bus_print_property_value(name, expected_value, value, "%s", strempty(t));
} else if (strstr(name, "USec")) {
char timespan[FORMAT_TIMESPAN_MAX];
print_property(name, "%s", format_timespan(timespan, sizeof(timespan), u, 0));
(void) format_timespan(timespan, sizeof(timespan), u, 0);
bus_print_property_value(name, expected_value, value, "%s", timespan);
} else if (streq(name, "RestrictNamespaces")) {
_cleanup_free_ char *s = NULL;
const char *result;
@ -720,7 +752,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
result = s;
}
print_property(name, "%s", result);
bus_print_property_value(name, expected_value, value, "%s", result);
} else if (streq(name, "MountFlags")) {
const char *result;
@ -729,7 +761,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (!result)
return -EINVAL;
print_property(name, "%s", result);
bus_print_property_value(name, expected_value, value, "%s", result);
} else if (STR_IN_SET(name, "CapabilityBoundingSet", "AmbientCapabilities")) {
_cleanup_free_ char *s = NULL;
@ -738,7 +770,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (r < 0)
return r;
print_property(name, "%s", s);
bus_print_property_value(name, expected_value, value, "%s", s);
} else if ((STR_IN_SET(name, "CPUWeight", "StartupCPUWeight", "IOWeight", "StartupIOWeight") && u == CGROUP_WEIGHT_INVALID) ||
(STR_IN_SET(name, "CPUShares", "StartupCPUShares") && u == CGROUP_CPU_SHARES_INVALID) ||
@ -746,16 +778,16 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
(STR_IN_SET(name, "MemoryCurrent", "TasksCurrent") && u == (uint64_t) -1) ||
(endswith(name, "NSec") && u == (uint64_t) -1))
print_property(name, "%s", "[not set]");
bus_print_property_value(name, expected_value, value, "%s", "[not set]");
else if ((STR_IN_SET(name, "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryLimit") && u == CGROUP_LIMIT_MAX) ||
(STR_IN_SET(name, "TasksMax", "DefaultTasksMax") && u == (uint64_t) -1) ||
(startswith(name, "Limit") && u == (uint64_t) -1) ||
(startswith(name, "DefaultLimit") && u == (uint64_t) -1))
print_property(name, "%s", "infinity");
bus_print_property_value(name, expected_value, value, "%s", "infinity");
else
print_property(name, "%"PRIu64, u);
bus_print_property_value(name, expected_value, value, "%"PRIu64, u);
return 1;
}
@ -767,8 +799,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (r < 0)
return r;
print_property(name, "%"PRIi64, i);
bus_print_property_value(name, expected_value, value, "%"PRIi64, i);
return 1;
}
@ -780,19 +811,20 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
return r;
if (strstr(name, "UMask") || strstr(name, "Mode"))
print_property(name, "%04o", u);
bus_print_property_value(name, expected_value, value, "%04o", u);
else if (streq(name, "UID")) {
if (u == UID_INVALID)
print_property(name, "%s", "[not set]");
bus_print_property_value(name, expected_value, value, "%s", "[not set]");
else
print_property(name, "%"PRIu32, u);
bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
} else if (streq(name, "GID")) {
if (u == GID_INVALID)
print_property(name, "%s", "[not set]");
bus_print_property_value(name, expected_value, value, "%s", "[not set]");
else
print_property(name, "%"PRIu32, u);
bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
} else
print_property(name, "%"PRIu32, u);
bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
return 1;
}
@ -804,7 +836,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (r < 0)
return r;
print_property(name, "%"PRIi32, i);
bus_print_property_value(name, expected_value, value, "%"PRIi32, i);
return 1;
}
@ -815,7 +847,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
if (r < 0)
return r;
print_property(name, "%g", d);
bus_print_property_value(name, expected_value, value, "%g", d);
return 1;
}
@ -924,8 +956,8 @@ int bus_message_print_all_properties(
return r;
while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
const char *name;
const char *contents;
_cleanup_free_ char *name_with_equal = NULL;
const char *name, *contents, *expected_value = NULL;
r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &name);
if (r < 0)
@ -941,7 +973,12 @@ int bus_message_print_all_properties(
return log_oom();
}
if (!filter || strv_find(filter, name)) {
name_with_equal = strappend(name, "=");
if (!name_with_equal)
return log_oom();
if (!filter || strv_find(filter, name) ||
(expected_value = strv_find_startswith(filter, name_with_equal))) {
r = sd_bus_message_peek_type(m, NULL, &contents);
if (r < 0)
return r;
@ -951,13 +988,13 @@ int bus_message_print_all_properties(
return r;
if (func)
r = func(name, m, value, all);
r = func(name, expected_value, m, value, all);
if (!func || r == 0)
r = bus_print_property(name, m, value, all);
r = bus_print_property(name, expected_value, m, value, all);
if (r < 0)
return r;
if (r == 0) {
if (all)
if (all && !expected_value)
printf("%s=[unprintable]\n", name);
/* skip what we didn't read */
r = sd_bus_message_skip(m, contents);

4
src/shared/bus-util.h
View File

@ -63,9 +63,9 @@ int bus_connect_user_systemd(sd_bus **_bus);
int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
typedef int (*bus_message_print_t) (const char *name, sd_bus_message *m, bool value, bool all);
typedef int (*bus_message_print_t) (const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all);
int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
int bus_print_property_value(const char *name, const char *expected_value, bool only_value, const char *fmt, ...);
int bus_message_print_all_properties(sd_bus_message *m, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);
int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, bus_message_print_t func, char **filter, bool value, bool all, Set **found_properties);

70
src/systemctl/systemctl.c
View File

@ -4586,15 +4586,7 @@ static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_e
return 0;
}
#define print_prop(name, fmt, ...) \
do { \
if (arg_value) \
printf(fmt "\n", __VA_ARGS__); \
else \
printf("%s=" fmt "\n", name, __VA_ARGS__); \
} while (0)
static int print_property(const char *name, sd_bus_message *m, bool value, bool all) {
static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
char bus_type;
const char *contents;
int r;
@ -4621,9 +4613,9 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
if (u > 0)
print_prop(name, "%"PRIu32, u);
bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
else if (all)
print_prop(name, "%s", "");
bus_print_property_value(name, expected_value, value, "%s", "");
return 1;
@ -4635,7 +4627,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
if (all || !isempty(s))
print_prop(name, "%s", s);
bus_print_property_value(name, expected_value, value, "%s", s);
return 1;
@ -4647,7 +4639,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
if (all || !isempty(a) || !isempty(b))
print_prop(name, "%s \"%s\"", strempty(a), strempty(b));
bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
return 1;
} else if (streq_ptr(name, "SystemCallFilter")) {
@ -4709,7 +4701,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
print_prop(name, "%s (ignore_errors=%s)", path, yes_no(ignore));
bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
if (r < 0)
return bus_log_parse_error(r);
@ -4728,7 +4720,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
print_prop(name, "%s (%s)", path, type);
bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
if (r < 0)
return bus_log_parse_error(r);
@ -4746,7 +4738,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
print_prop(name, "%s (%s)", path, type);
bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
if (r < 0)
return bus_log_parse_error(r);
@ -4767,9 +4759,9 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
print_prop(name, "{ %s=%s ; next_elapse=%s }", base,
format_timespan(timespan1, sizeof(timespan1), v, 0),
format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
format_timespan(timespan1, sizeof(timespan1), v, 0),
format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
}
if (r < 0)
return bus_log_parse_error(r);
@ -4791,8 +4783,8 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
char timestamp[FORMAT_TIMESTAMP_MAX];
print_prop(name, "{ %s=%s ; next_elapse=%s }", base, spec,
format_timestamp(timestamp, sizeof(timestamp), next_elapse));
bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
format_timestamp(timestamp, sizeof(timestamp), next_elapse));
}
if (r < 0)
return bus_log_parse_error(r);
@ -4816,18 +4808,18 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
tt = strv_join(info.argv, " ");
print_prop(name,
"{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
strna(info.path),
strna(tt),
yes_no(info.ignore),
strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
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)));
bus_print_property_value(name, expected_value, value,
"{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
strna(info.path),
strna(tt),
yes_no(info.ignore),
strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
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)));
free(info.path);
strv_free(info.argv);
@ -4848,7 +4840,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
print_prop(name, "%s %s", strna(path), strna(rwm));
bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
if (r < 0)
return bus_log_parse_error(r);
@ -4868,7 +4860,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
print_prop(name, "%s %"PRIu64, strna(path), weight);
bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
if (r < 0)
return bus_log_parse_error(r);
@ -4889,7 +4881,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
print_prop(name, "%s %"PRIu64, strna(path), bandwidth);
bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
if (r < 0)
return bus_log_parse_error(r);
@ -4910,8 +4902,8 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
print_prop(name, "%s %s", strna(path),
format_timespan(ts, sizeof(ts), target, 1));
bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
format_timespan(ts, sizeof(ts), target, 1));
if (r < 0)
return bus_log_parse_error(r);
@ -4935,7 +4927,7 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
if (n < 0)
return log_oom();
print_prop(name, "%s", h);
bus_print_property_value(name, expected_value, value, "%s", h);
return 1;
}

12
src/timedate/timedatectl.c
View File

@ -589,15 +589,7 @@ static int show_timesync_status(int argc, char **argv, void *userdata) {
return 0;
}
#define property(name, fmt, ...) \
do { \
if (value) \
printf(fmt "\n", __VA_ARGS__); \
else \
printf("%s=" fmt "\n", name, __VA_ARGS__); \
} while (0)
static int print_timesync_property(const char *name, sd_bus_message *m, bool value, bool all) {
static int print_timesync_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
char type;
const char *contents;
int r;
@ -663,7 +655,7 @@ static int print_timesync_property(const char *name, sd_bus_message *m, bool val
return r;
if (arg_all || !isempty(str))
property(name, "%s", str);
bus_print_property_value(name, expected_value, value, "%s", str);
return 1;
}