diff options
| -rw-r--r-- | src/machine/machinectl.c | 129 |
1 files changed, 89 insertions, 40 deletions
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index c78ca7ad76..4acce4bea7 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -109,6 +109,7 @@ typedef struct MachineInfo { const char *name; const char *class; const char *service; + char *os; } MachineInfo; static int compare_machine_info(const void *a, const void *b) { @@ -117,12 +118,66 @@ static int compare_machine_info(const void *a, const void *b) { return strcmp(x->name, y->name); } +static void clean_machine_info(MachineInfo *machines, size_t n_machines) { + size_t i; + + if (!machines || n_machines == 0) + return; + + for (i = 0; i < n_machines; i++) + free(machines[i].os); + free(machines); +} + +static int get_os_name(sd_bus *bus, const char *name, char **out) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + const char *k, *v, *os; + char *str; + int r; + + assert(bus); + assert(name); + assert(out); + + r = sd_bus_call_method(bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "GetMachineOSRelease", + NULL, &reply, "s", name); + if (r < 0) + return r; + + r = sd_bus_message_enter_container(reply, 'a', "{ss}"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) { + if (streq(k, "PRETTY_NAME")) + os = v; + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + str = strdup(os); + if (!str) + return log_oom(); + *out = str; + + return 0; +} + static int list_machines(int argc, char *argv[], void *userdata) { - size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), max_service = strlen("SERVICE"); + size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), + max_service = strlen("SERVICE"), max_os = strlen("OS"); _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_free_ MachineInfo *machines = NULL; + MachineInfo *machines = NULL; const char *name, *class, *service, *object; size_t n_machines = 0, n_allocated = 0, j; sd_bus *bus = userdata; @@ -148,15 +203,21 @@ static int list_machines(int argc, char *argv[], void *userdata) { r = sd_bus_message_enter_container(reply, 'a', "(ssso)"); if (r < 0) return bus_log_parse_error(r); - while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) { size_t l; if (name[0] == '.' && !arg_all) continue; - if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) - return log_oom(); + if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) { + r = log_oom(); + goto out; + } + + machines[n_machines].os = NULL; + r = get_os_name(bus, name, &machines[n_machines].os); + if (r < 0) + goto out; machines[n_machines].name = name; machines[n_machines].class = class; @@ -174,35 +235,47 @@ static int list_machines(int argc, char *argv[], void *userdata) { if (l > max_service) max_service = l; + l = machines[n_machines].os ? strlen(machines[n_machines].os) : 0; + if (l > max_os) + max_os = l; + n_machines++; } - if (r < 0) - return bus_log_parse_error(r); + if (r < 0) { + r = bus_log_parse_error(r); + goto out; + } r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); + if (r < 0) { + r = bus_log_parse_error(r); + goto out; + } qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); if (arg_legend && n_machines > 0) - printf("%-*s %-*s %-*s\n", + printf("%-*s %-*s %-*s %-*s\n", (int) max_name, "MACHINE", (int) max_class, "CLASS", - (int) max_service, "SERVICE"); + (int) max_service, "SERVICE", + (int) max_os, "OS"); for (j = 0; j < n_machines; j++) - printf("%-*s %-*s %-*s\n", + printf("%-*s %-*s %-*s %-*s\n", (int) max_name, machines[j].name, (int) max_class, machines[j].class, - (int) max_service, machines[j].service); + (int) max_service, machines[j].service, + (int) max_os, machines[j].os ? machines[j].os : ""); if (arg_legend && n_machines > 0) printf("\n%zu machines listed.\n", n_machines); else printf("No machines.\n"); - return 0; +out: + clean_machine_info(machines, n_machines); + return r; } typedef struct ImageInfo { @@ -456,41 +529,17 @@ static int print_addresses(sd_bus *bus, const char *name, int ifi, const char *p } static int print_os_release(sd_bus *bus, const char *name, const char *prefix) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - const char *k, *v, *pretty = NULL; + _cleanup_free_ char *pretty = NULL; int r; assert(bus); assert(name); assert(prefix); - r = sd_bus_call_method(bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "GetMachineOSRelease", - NULL, - &reply, - "s", name); + r = get_os_name(bus, name, &pretty); if (r < 0) return r; - r = sd_bus_message_enter_container(reply, 'a', "{ss}"); - if (r < 0) - return bus_log_parse_error(r); - - while ((r = sd_bus_message_read(reply, "{ss}", &k, &v)) > 0) { - if (streq(k, "PRETTY_NAME")) - pretty = v; - - } - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - if (pretty) printf("%s%s\n", prefix, pretty); |