analyze: share code to read a string array from sd-bus
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@ -196,6 +196,41 @@ static int bus_parse_unit_info(sd_bus_message *message, struct unit_info *u) {
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return r;
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}
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static int bus_get_unit_property_strv(sd_bus *bus, const char *unit_path, const char *prop, char ***strv) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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int r;
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const char *s;
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r = sd_bus_get_property(
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bus,
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"org.freedesktop.systemd1",
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unit_path,
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"org.freedesktop.systemd1.Unit",
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prop,
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&error,
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&reply,
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"as");
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if (r < 0) {
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log_error("Failed to get unit property: %s %s", prop, bus_error_message(&error, -r));
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return r;
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}
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
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if (r < 0)
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return r;
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while ((r = sd_bus_message_read(reply, "s", &s)) > 0) {
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r = strv_extend(strv, s);
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if (r < 0) {
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log_oom();
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return r;
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}
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}
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return r;
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}
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static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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@ -650,11 +685,8 @@ static int list_dependencies_print(const char *name, unsigned int level, unsigne
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static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
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_cleanup_free_ char *path;
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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int r = 0;
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const char *s;
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char **ret = NULL;
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assert(bus);
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@ -662,36 +694,11 @@ static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, cha
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assert(deps);
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path = unit_dbus_path_from_name(name);
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if (path == NULL) {
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r = -EINVAL;
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goto finish;
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}
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if (path == NULL)
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return -EINVAL;
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r = sd_bus_get_property(bus,
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"org.freedesktop.systemd1",
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path,
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"org.freedesktop.systemd1.Unit",
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"After",
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&error,
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&reply,
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"as");
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if (r < 0) {
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log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
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goto finish;
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}
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r = bus_get_unit_property_strv(bus, path, "After", &ret);
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
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if (r < 0)
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goto finish;
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while ((r = sd_bus_message_read(reply, "s", &s)) > 0) {
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r = strv_extend(&ret, s);
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if (r < 0) {
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log_oom();
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goto finish;
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}
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}
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finish:
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if (r < 0)
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strv_free(ret);
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else
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@ -929,10 +936,7 @@ static int analyze_time(sd_bus *bus) {
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}
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static int graph_one_property(sd_bus *bus, const struct unit_info *u, const char* prop, const char *color, char* patterns[]) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_strv_free_ char **units = NULL;
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const char *s;
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char **unit;
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int r;
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@ -940,31 +944,11 @@ static int graph_one_property(sd_bus *bus, const struct unit_info *u, const char
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assert(prop);
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assert(color);
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r = sd_bus_get_property(bus,
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"org.freedesktop.systemd1",
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u->unit_path,
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"org.freedesktop.systemd1.Unit",
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prop,
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&error,
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&reply,
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"as");
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r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
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if (r < 0) {
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log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
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return -r;
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}
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
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if (r < 0)
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return -r;
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while ((r = sd_bus_message_read(reply, "s", &s)) > 0) {
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r = strv_extend(&units, s);
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if (r < 0) {
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log_oom();
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return -r;
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}
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}
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STRV_FOREACH(unit, units) {
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char **p;
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bool match_found;
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