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authorEvgeny Vereshchagin <evvers@ya.ru>2015-09-05 08:18:08 +0300
committerEvgeny Vereshchagin <evvers@ya.ru>2015-09-06 06:10:16 +0300
commit83efb7c22722bd8d07091d2cb6545cdef003cc90 (patch)
treee67da6642bd687f388f535391a587dacf999370c
parent794ec1eb8b29674e93f8ef20673b0f8e42903733 (diff)
analyze: add "alias" handling to dot subcommand
`systemd-analyze dot default.target` works fine
-rw-r--r--src/analyze/analyze.c49
1 files changed, 48 insertions, 1 deletions
diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index db1e7f3f37..ab7fb53269 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -1092,12 +1092,59 @@ static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[]) {
return 0;
}
+static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
+ _cleanup_strv_free_ char **expanded_patterns = NULL;
+ char **pattern;
+ int r;
+
+ STRV_FOREACH(pattern, patterns) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *unit = NULL, *unit_id = NULL;
+
+ if (strv_extend(&expanded_patterns, *pattern) < 0)
+ return log_oom();
+
+ if (string_is_glob(*pattern))
+ continue;
+
+ unit = unit_dbus_path_from_name(*pattern);
+ if (!unit)
+ return log_oom();
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ unit,
+ "org.freedesktop.systemd1.Unit",
+ "Id",
+ &error,
+ &unit_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
+
+ if (!streq(*pattern, unit_id)) {
+ if (strv_extend(&expanded_patterns, unit_id) < 0)
+ return log_oom();
+ }
+ }
+
+ *ret = expanded_patterns;
+ expanded_patterns = NULL; /* do not free */
+
+ return 0;
+}
+
static int dot(sd_bus *bus, char* patterns[]) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_strv_free_ char **expanded_patterns = NULL;
int r;
UnitInfo u;
+ r = expand_patterns(bus, patterns, &expanded_patterns);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
@@ -1120,7 +1167,7 @@ static int dot(sd_bus *bus, char* patterns[]) {
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
- r = graph_one(bus, &u, patterns);
+ r = graph_one(bus, &u, expanded_patterns);
if (r < 0)
return r;
}