static int show_one_name(sd_bus *bus, const char* attr) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; const char *s; int r; r = sd_bus_get_property( bus, "org.freedesktop.hostname1", "/org/freedesktop/hostname1", "org.freedesktop.hostname1", attr, &error, &reply, "s"); if (r < 0) { log_error("Could not get property: %s", bus_error_message(&error, -r)); return r; } r = sd_bus_message_read(reply, "s", &s); if (r < 0) return bus_log_parse_error(r); printf("%s\n", s); return 0; }
static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_free_ char *path = NULL; const char *cgroup; int r, output_flags; unsigned c; assert(bus); assert(unit); if (arg_transport != BUS_TRANSPORT_LOCAL) return 0; path = unit_dbus_path_from_name(unit); if (!path) return -ENOMEM; r = sd_bus_get_property( bus, "org.freedesktop.systemd1", path, interface, "ControlGroup", &error, &reply, "s"); if (r < 0) return r; r = sd_bus_message_read(reply, "s", &cgroup); if (r < 0) return r; if (isempty(cgroup)) return 0; if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) return 0; output_flags = arg_all * OUTPUT_SHOW_ALL | arg_full * OUTPUT_FULL_WIDTH; c = columns(); if (c > 18) c -= 18; else c = 0; show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, output_flags); return 0; }
static int client(struct context *c) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_unref_ sd_bus *bus = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; const char *s; int r; assert_se(sd_bus_new(&bus) >= 0); assert_se(sd_bus_set_fd(bus, c->fds[1], c->fds[1]) >= 0); assert_se(sd_bus_start(bus) >= 0); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "NoOperation", &error, NULL, NULL); assert_se(r >= 0); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AlterSomething", &error, &reply, "s", "hallo"); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); assert_se(streq(s, "<<<hallo>>>")); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Doesntexist", &error, &reply, ""); assert_se(r < 0); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)); sd_bus_error_free(&error); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AlterSomething", &error, &reply, "as", 1, "hallo"); assert_se(r < 0); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)); sd_bus_error_free(&error); r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, &reply, "s"); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); assert_se(streq(s, "<<<hallo>>>")); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, "s", "test"); assert_se(r >= 0); r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Something", &error, &reply, "s"); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); assert_se(streq(s, "test")); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AutomaticIntegerProperty", &error, "u", 815); assert_se(r >= 0); assert_se(c->automatic_integer_property == 815); r = sd_bus_set_property(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "AutomaticStringProperty", &error, "s", "Du Dödel, Du!"); assert_se(r >= 0); assert_se(streq(c->automatic_string_property, "Du Dödel, Du!")); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, ""); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); fputs(s, stdout); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_get_property(bus, "org.freedesktop.systemd.test", "/value/xuzz", "org.freedesktop.systemd.ValueTest", "Value", &error, &reply, "s"); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); log_info("read %s", s); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, ""); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); fputs(s, stdout); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, ""); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); fputs(s, stdout); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, ""); assert_se(r >= 0); r = sd_bus_message_read(reply, "s", &s); assert_se(r >= 0); fputs(s, stdout); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", ""); assert_se(r >= 0); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", "org.freedesktop.systemd.ValueTest2"); assert_se(r < 0); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_INTERFACE)); sd_bus_error_free(&error); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects", &error, &reply, ""); assert_se(r < 0); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)); sd_bus_error_free(&error); r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects", &error, &reply, ""); assert_se(r >= 0); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.systemd.ValueTest", "NotifyTest", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/value/a", "org.freedesktop.systemd.ValueTest", "NotifyTest2", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.Properties", "PropertiesChanged")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitInterfacesAdded", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitInterfacesRemoved", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitObjectAdded", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "EmitObjectRemoved", &error, NULL, ""); assert_se(r >= 0); r = sd_bus_process(bus, &reply); assert_se(r > 0); assert_se(sd_bus_message_is_signal(reply, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved")); bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); sd_bus_message_unref(reply); reply = NULL; r = sd_bus_call_method(bus, "org.freedesktop.systemd.test", "/foo", "org.freedesktop.systemd.test", "Exit", &error, NULL, ""); assert_se(r >= 0); sd_bus_flush(bus); return 0; }
int main(int argc, char *argv[]) { int r = 0, retval = EXIT_FAILURE; int output_flags; _cleanup_free_ char *root = NULL; _cleanup_bus_close_unref_ sd_bus *bus = NULL; log_parse_environment(); log_open(); r = parse_argv(argc, argv); if (r < 0) goto finish; else if (r == 0) { retval = EXIT_SUCCESS; goto finish; } if (!arg_no_pager) { r = pager_open(false); if (r > 0) { if (arg_full == -1) arg_full = true; } } output_flags = arg_all * OUTPUT_SHOW_ALL | (arg_full > 0) * OUTPUT_FULL_WIDTH; r = bus_open_transport(BUS_TRANSPORT_LOCAL, NULL, false, &bus); if (r < 0) { log_error_errno(r, "Failed to create bus connection: %m"); goto finish; } if (optind < argc) { int i; for (i = optind; i < argc; i++) { int q; fprintf(stdout, "%s:\n", argv[i]); fflush(stdout); if (arg_machine) root = strjoin("machine/", arg_machine, "/", argv[i], NULL); else root = strdup(argv[i]); if (!root) return log_oom(); q = show_cgroup_by_path(root, NULL, 0, arg_kernel_threads, output_flags); if (q < 0) r = q; } } else { _cleanup_free_ char *p; p = get_current_dir_name(); if (!p) { log_error_errno(errno, "Cannot determine current working directory: %m"); goto finish; } if (path_startswith(p, "/sys/fs/cgroup") && !arg_machine) { printf("Working Directory %s:\n", p); r = show_cgroup_by_path(p, NULL, 0, arg_kernel_threads, output_flags); } else { if (arg_machine) { char *m; const char *cgroup; _cleanup_free_ char *scope = NULL; _cleanup_free_ char *path = NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; m = strjoina("/run/systemd/machines/", arg_machine); r = parse_env_file(m, NEWLINE, "SCOPE", &scope, NULL); if (r < 0) { log_error_errno(r, "Failed to get machine path: %m"); goto finish; } path = unit_dbus_path_from_name(scope); if (!path) { log_oom(); goto finish; } r = sd_bus_get_property( bus, "org.freedesktop.systemd1", path, "org.freedesktop.systemd1.Scope", "ControlGroup", &error, &reply, "s"); if (r < 0) { log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r)); goto finish; } r = sd_bus_message_read(reply, "s", &cgroup); if (r < 0) { bus_log_parse_error(r); goto finish; } root = strdup(cgroup); if (!root) { log_oom(); goto finish; } } else r = cg_get_root_path(&root); if (r < 0) { log_error_errno(r, "Failed to get %s path: %m", arg_machine ? "machine" : "root"); goto finish; } r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, root, NULL, 0, arg_kernel_threads, output_flags); } } if (r < 0) { log_error_errno(r, "Failed to list cgroup tree %s: %m", root); retval = EXIT_FAILURE; } else retval = EXIT_SUCCESS; finish: pager_close(); return retval; }
ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd, ipmi_request_t request, ipmi_response_t response, ipmi_data_len_t data_len, ipmi_context_t context) { sensor_data_t *reqptr = (sensor_data_t*)request; ipmi_ret_t rc = IPMI_CC_SENSOR_INVALID; uint8_t type; sensorreadingresp_t *resp = (sensorreadingresp_t*) response; int r; dbus_interface_t a; sd_bus *bus = ipmid_get_sd_bus_connection(); sd_bus_message *reply = NULL; int reading = 0; printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum); r = find_openbmc_path("SENSOR", reqptr->sennum, &a); if (r < 0) { fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum); return IPMI_CC_SENSOR_INVALID; } type = find_sensor(reqptr->sennum); fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface); *data_len=0; switch(type) { case 0xC3: case 0xC2: r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "i"); if (r < 0) { fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r)); fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface); break; } r = sd_bus_message_read(reply, "i", &reading); if (r < 0) { fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r)); break; } printf("Contents of a 0x%02x is 0x%02x\n", type, reading); rc = IPMI_CC_OK; *data_len=sizeof(sensorreadingresp_t); resp->value = (uint8_t)reading; resp->operation = 0; resp->indication[0] = 0; resp->indication[1] = 0; break; default: *data_len=0; rc = IPMI_CC_SENSOR_INVALID; break; } reply = sd_bus_message_unref(reply); return rc; }