diff options
Diffstat (limited to 'src/machine')
-rw-r--r-- | src/machine/machinectl.c | 223 |
1 files changed, 55 insertions, 168 deletions
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index 5a6bb056b1..8468436646 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -172,12 +172,12 @@ static int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) { } typedef struct MachineStatusInfo { - const char *name; + char *name; sd_id128_t id; - const char *class; - const char *service; - const char *scope; - const char *root_directory; + char *class; + char *service; + char *scope; + char *root_directory; pid_t leader; usec_t timestamp; } MachineStatusInfo; @@ -233,201 +233,87 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { } } -static int status_property_machine(const char *name, sd_bus_message *property, MachineStatusInfo *i) { - char type; - const char *contents; - int r; - - assert(name); - assert(property); - assert(i); - - r = sd_bus_message_peek_type(property, &type, &contents); - if (r < 0) { - log_error("Could not determine type of message: %s", strerror(-r)); - return r; - } - - switch (type) { - - case SD_BUS_TYPE_STRING: { - const char *s; - - sd_bus_message_read_basic(property, type, &s); - - if (!isempty(s)) { - if (streq(name, "Name")) - i->name = s; - else if (streq(name, "Class")) - i->class = s; - else if (streq(name, "Service")) - i->service = s; - else if (streq(name, "Scope")) - i->scope = s; - else if (streq(name, "RootDirectory")) - i->root_directory = s; - } - break; - } - - case SD_BUS_TYPE_UINT32: { - uint32_t u; - - sd_bus_message_read_basic(property, type, &u); - - if (streq(name, "Leader")) - i->leader = (pid_t) u; - - break; - } - - case SD_BUS_TYPE_UINT64: { - uint64_t u; - - sd_bus_message_read_basic(property, type, &u); - - if (streq(name, "Timestamp")) - i->timestamp = (usec_t) u; - - break; - } - - case SD_BUS_TYPE_ARRAY: { - if (streq(contents, "y") && streq(name, "Id")) { - const void *v; - size_t n; - - sd_bus_message_read_array(property, SD_BUS_TYPE_BYTE, &v, &n); - if (n == 0) - i->id = SD_ID128_NULL; - else if (n == 16) - memcpy(&i->id, v, n); - } - - break; - } - } - - return 0; -} - -static int print_property(const char *name, sd_bus_message *reply) { - assert(name); - assert(reply); - - if (arg_property && !strv_find(arg_property, name)) - return 0; - - if (bus_generic_print_property(name, reply, arg_all) > 0) - return 0; - - if (arg_all) - printf("%s=[unprintable]\n", name); - - return 0; -} - -static int show_one(const char *verb, sd_bus *bus, const char *path, bool show_properties, bool *new_line) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; +static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { + MachineStatusInfo info = {}; + static const struct bus_properties_map map[] = { + { "Name", "s", NULL, offsetof(MachineStatusInfo, name) }, + { "Class", "s", NULL, offsetof(MachineStatusInfo, class) }, + { "Service", "s", NULL, offsetof(MachineStatusInfo, service) }, + { "Scope", "s", NULL, offsetof(MachineStatusInfo, scope) }, + { "RootDirectory", "s", NULL, offsetof(MachineStatusInfo, root_directory) }, + { "Leader", "u", NULL, offsetof(MachineStatusInfo, leader) }, + { "Timestamp", "t", NULL, offsetof(MachineStatusInfo, timestamp) }, + { "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) }, + {} + }; int r; - MachineStatusInfo machine_info = {}; assert(path); assert(new_line); - r = sd_bus_call_method( - bus, - "org.freedesktop.machine1", - path, - "org.freedesktop.DBus.Properties", - "GetAll", - &error, - &reply, - "s", ""); + r = bus_map_all_properties(bus, + "org.freedesktop.machine1", + path, + map, + &info); if (r < 0) { - log_error("Could not get properties: %s", bus_error_message(&error, -r)); + log_error("Could not get properties: %s", strerror(-r)); return r; } - if (*new_line) printf("\n"); - *new_line = true; - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); - if (r < 0) - goto fail; + print_machine_status_info(bus, &info); - while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { - const char *name; - const char *contents; + free(info.name); + free(info.class); + free(info.service); + free(info.scope); + free(info.root_directory); - r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &name); - if (r < 0) - goto fail; - - r = sd_bus_message_peek_type(reply, NULL, &contents); - if (r < 0) - goto fail; - - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents); - if (r < 0) - goto fail; + return r; +} - if (show_properties) - r = print_property(name, reply); - else - r = status_property_machine(name, reply, &machine_info); - if (r < 0) - goto fail; +static int show_properties(sd_bus *bus, const char *path, bool *new_line) { + int r; - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; + if (*new_line) + printf("\n"); - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; - } - if (r < 0) - goto fail; + *new_line = true; - r = sd_bus_message_exit_container(reply); + r = bus_print_all_properties(bus, path, arg_property, arg_all); if (r < 0) - goto fail; - - if (!show_properties) - print_machine_status_info(bus, &machine_info); - - return 0; + log_error("Could not get properties: %s", strerror(-r)); -fail: - log_error("Failed to parse reply: %s", strerror(-r)); return r; } static int show(sd_bus *bus, char **args, unsigned n) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - int r, ret = 0; + int r = 0; unsigned i; - bool show_properties, new_line = false; + bool properties, new_line = false; assert(bus); assert(args); - show_properties = !strstr(args[0], "status"); + properties = !strstr(args[0], "status"); pager_open_if_enabled(); - if (show_properties && n <= 1) { + if (properties && n <= 1) { - /* If no argument is specified inspect the manager + /* If no argument is specified, inspect the manager * itself */ - - return show_one(args[0], bus, "/org/freedesktop/machine1", show_properties, &new_line); + r = show_properties(bus, "/org/freedesktop/machine1", &new_line); + if (r < 0) { + log_error("Failed to query properties: %s", strerror(-r)); + return r; + } } for (i = 1; i < n; i++) { @@ -450,15 +336,16 @@ static int show(sd_bus *bus, char **args, unsigned n) { r = sd_bus_message_read(reply, "o", &path); if (r < 0) { log_error("Failed to parse reply: %s", strerror(-r)); - return r; + break; } - r = show_one(args[0], bus, path, show_properties, &new_line); - if (r != 0) - ret = r; + if (properties) + r = show_properties(bus, path, &new_line); + else + r = show_info(args[0], bus, path, &new_line); } - return ret; + return r; } static int kill_machine(sd_bus *bus, char **args, unsigned n) { |