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-rw-r--r--src/machine/machine-dbus.c383
1 files changed, 122 insertions, 261 deletions
diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
index ceab96e078..150a3f7761 100644
--- a/src/machine/machine-dbus.c
+++ b/src/machine/machine-dbus.c
@@ -22,231 +22,153 @@
#include <errno.h>
#include <string.h>
-#include "machined.h"
+#include "bus-util.h"
#include "machine.h"
-#include "dbus-common.h"
-
-#define BUS_MACHINE_INTERFACE \
- " <interface name=\"org.freedesktop.machine1.Machine\">\n" \
- " <method name=\"Terminate\"/>\n" \
- " <method name=\"Kill\">\n" \
- " <arg name=\"who\" type=\"s\"/>\n" \
- " <arg name=\"signal\" type=\"s\"/>\n" \
- " </method>\n" \
- " <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"Id\" type=\"ay\" access=\"read\"/>\n" \
- " <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"Service\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"Scope\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"Leader\" type=\"u\" access=\"read\"/>\n" \
- " <property name=\"Class\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"State\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"RootDirectory\" type=\"s\" access=\"read\"/>\n" \
- " </interface>\n"
-
-#define INTROSPECTION \
- DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
- "<node>\n" \
- BUS_MACHINE_INTERFACE \
- BUS_PROPERTIES_INTERFACE \
- BUS_PEER_INTERFACE \
- BUS_INTROSPECTABLE_INTERFACE \
- "</node>\n"
-
-#define INTERFACES_LIST \
- BUS_GENERIC_INTERFACES_LIST \
- "org.freedesktop.machine1.Machine\0"
-
-static int bus_machine_append_id(DBusMessageIter *i, const char *property, void *data) {
- DBusMessageIter sub;
- Machine *m = data;
- dbus_bool_t b;
- void *p;
-
- assert(i);
- assert(property);
- assert(m);
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "y", &sub))
- return -ENOMEM;
+static int property_get_id(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ sd_bus_error *error,
+ void *userdata) {
- p = &m->id;
- b = dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &p, 16);
- if (!b)
- return -ENOMEM;
+ Machine *m = userdata;
+ int r;
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ r = sd_bus_message_append_array(reply, 'y', &m->id, 16);
+ if (r < 0)
+ return r;
- return 0;
+ return 1;
}
-static int bus_machine_append_state(DBusMessageIter *i, const char *property, void *data) {
- Machine *m = data;
+static int property_get_state(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ sd_bus_error *error,
+ void *userdata) {
+
+ Machine *m = userdata;
const char *state;
+ int r;
- assert(i);
- assert(property);
+ assert(bus);
+ assert(reply);
assert(m);
state = machine_state_to_string(machine_get_state(m));
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state))
- return -ENOMEM;
+ r = sd_bus_message_append_basic(reply, 's', state);
+ if (r < 0)
+ return r;
- return 0;
+ return 1;
}
-static int get_machine_for_path(Manager *m, const char *path, Machine **_machine) {
- _cleanup_free_ char *e = NULL;
- Machine *machine;
-
- assert(m);
- assert(path);
- assert(_machine);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, machine_class, MachineClass);
- if (!startswith(path, "/org/freedesktop/machine1/machine/"))
- return -EINVAL;
+static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata) {
+ Machine *m = userdata;
+ int r;
- e = bus_path_unescape(path + 34);
- if (!e)
- return -ENOMEM;
+ assert(bus);
+ assert(message);
+ assert(m);
- machine = hashmap_get(m->machines, e);
- if (!machine)
- return -ENOENT;
+ r = machine_stop(m);
+ if (r < 0)
+ return sd_bus_reply_method_errno(bus, message, r, NULL);
- *_machine = machine;
- return 0;
+ return sd_bus_reply_method_return(bus, message, NULL);
}
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_machine_append_class, machine_class, MachineClass);
-
-static const BusProperty bus_machine_machine_properties[] = {
- { "Name", bus_property_append_string, "s", offsetof(Machine, name), true },
- { "Id", bus_machine_append_id, "ay", 0 },
- { "Timestamp", bus_property_append_usec, "t", offsetof(Machine, timestamp.realtime) },
- { "TimestampMonotonic", bus_property_append_usec, "t", offsetof(Machine, timestamp.monotonic) },
- { "Service", bus_property_append_string, "s", offsetof(Machine, service), true },
- { "Scope", bus_property_append_string, "s", offsetof(Machine, scope), true },
- { "Leader", bus_property_append_pid, "u", offsetof(Machine, leader) },
- { "Class", bus_machine_append_class, "s", offsetof(Machine, class) },
- { "State", bus_machine_append_state, "s", 0 },
- { "RootDirectory", bus_property_append_string, "s", offsetof(Machine, root_directory), true },
- { NULL, }
-};
-
-static DBusHandlerResult machine_message_dispatch(
- Machine *m,
- DBusConnection *connection,
- DBusMessage *message) {
-
- DBusError error;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) {
+ Machine *m = userdata;
+ const char *swho;
+ int32_t signo;
+ KillWho who;
int r;
- assert(m);
- assert(connection);
+ assert(bus);
assert(message);
+ assert(m);
- if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Machine", "Terminate")) {
-
- r = machine_stop(m);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Machine", "Kill")) {
- const char *swho;
- int32_t signo;
- KillWho who;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &swho,
- DBUS_TYPE_INT32, &signo,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (isempty(swho))
- who = KILL_ALL;
- else {
- who = kill_who_from_string(swho);
- if (who < 0)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
- }
-
- if (signo <= 0 || signo >= _NSIG)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- r = machine_kill(m, who, signo);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else {
- const BusBoundProperties bps[] = {
- { "org.freedesktop.machine1.Machine", bus_machine_machine_properties, m },
- { NULL, }
- };
-
- return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
- }
+ r = sd_bus_message_read(message, "si", &swho, &signo);
+ if (r < 0)
+ return sd_bus_reply_method_errno(bus, message, r, NULL);
- if (reply) {
- if (!bus_maybe_send_reply(connection, message, reply))
- goto oom;
+ if (isempty(swho))
+ who = KILL_ALL;
+ else {
+ who = kill_who_from_string(swho);
+ if (who < 0)
+ return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
}
- return DBUS_HANDLER_RESULT_HANDLED;
+ if (signo <= 0 || signo >= _NSIG)
+ return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
-oom:
- dbus_error_free(&error);
+ r = machine_kill(m, who, signo);
+ if (r < 0)
+ return sd_bus_reply_method_errno(bus, message, r, NULL);
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
+ return sd_bus_reply_method_return(bus, message, NULL);
}
-static DBusHandlerResult machine_message_handler(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
-
- Manager *manager = userdata;
- Machine *m;
- int r;
+const sd_bus_vtable machine_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), 0),
+ SD_BUS_PROPERTY("Id", "ay", property_get_id, 0, 0),
+ SD_BUS_PROPERTY("Timestamp", "t", NULL, offsetof(Machine, timestamp.realtime), 0),
+ SD_BUS_PROPERTY("TimestampMonotonic", "t", NULL, offsetof(Machine, timestamp.monotonic), 0),
+ SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), 0),
+ SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, scope), 0),
+ SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), 0),
+ SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), 0),
+ SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
+ SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), 0),
+ SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, 0),
+ SD_BUS_METHOD("Kill", "si", NULL, method_kill, 0),
+ SD_BUS_VTABLE_END
+};
- r = get_machine_for_path(manager, dbus_message_get_path(message), &m);
- if (r < 0) {
+int machine_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+ _cleanup_free_ char *e = NULL;
+ Manager *m = userdata;
+ Machine *machine;
+ const char *p;
- if (r == -ENOMEM)
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
+ assert(bus);
+ assert(path);
+ assert(interface);
+ assert(found);
+ assert(m);
- if (r == -ENOENT) {
- DBusError e;
+ p = startswith(path, "/org/freedesktop/machine1/machine/");
+ if (!p)
+ return 0;
- dbus_error_init(&e);
- dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown machine");
- return bus_send_error_reply(connection, message, &e, r);
- }
+ e = bus_path_unescape(p);
+ if (!e)
+ return -ENOMEM;
- return bus_send_error_reply(connection, message, NULL, r);
- }
+ machine = hashmap_get(m->machines, e);
+ if (!machine)
+ return 0;
- return machine_message_dispatch(m, connection, message);
+ *found = machine;
+ return 1;
}
-const DBusObjectPathVTable bus_machine_vtable = {
- .message_function = machine_message_handler
-};
-
char *machine_bus_path(Machine *m) {
_cleanup_free_ char *e = NULL;
@@ -260,105 +182,44 @@ char *machine_bus_path(Machine *m) {
}
int machine_send_signal(Machine *m, bool new_machine) {
- _cleanup_dbus_message_unref_ DBusMessage *msg = NULL;
_cleanup_free_ char *p = NULL;
assert(m);
- msg = dbus_message_new_signal("/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- new_machine ? "MachineNew" : "MachineRemoved");
-
- if (!m)
- return -ENOMEM;
-
p = machine_bus_path(m);
if (!p)
return -ENOMEM;
- if (!dbus_message_append_args(
- msg,
- DBUS_TYPE_STRING, &m->name,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID))
- return -ENOMEM;
-
- if (!dbus_connection_send(m->manager->bus, msg, NULL))
- return -ENOMEM;
-
- return 0;
+ return sd_bus_emit_signal(
+ m->manager->bus,
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ new_machine ? "MachineNew" : "MachineRemoved",
+ "so", m->name, p);
}
-int machine_send_changed(Machine *m, const char *properties) {
- _cleanup_dbus_message_unref_ DBusMessage *msg = NULL;
+int machine_send_create_reply(Machine *m, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *c = NULL;
_cleanup_free_ char *p = NULL;
assert(m);
- if (!m->started)
- return 0;
-
- p = machine_bus_path(m);
- if (!p)
- return -ENOMEM;
-
- msg = bus_properties_changed_new(p, "org.freedesktop.machine1.Machine", properties);
- if (!msg)
- return -ENOMEM;
-
- if (!dbus_connection_send(m->manager->bus, msg, NULL))
- return -ENOMEM;
-
- return 0;
-}
-
-int machine_send_create_reply(Machine *m, DBusError *error) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-
- assert(m);
-
if (!m->create_message)
return 0;
- if (error) {
- DBusError buffer;
-
- dbus_error_init(&buffer);
-
- if (!error || !dbus_error_is_set(error)) {
- dbus_set_error_const(&buffer, DBUS_ERROR_INVALID_ARGS, "Invalid Arguments");
- error = &buffer;
- }
-
- reply = dbus_message_new_error(m->create_message, error->name, error->message);
- dbus_error_free(&buffer);
-
- if (!reply)
- return log_oom();
- } else {
- _cleanup_free_ char *p = NULL;
-
- p = machine_bus_path(m);
- if (!p)
- return log_oom();
-
- reply = dbus_message_new_method_return(m->create_message);
- if (!reply)
- return log_oom();
-
- if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &p, DBUS_TYPE_INVALID))
- return log_oom();
- }
+ c = m->create_message;
+ m->create_message = NULL;
/* Update the machine state file before we notify the client
* about the result. */
machine_save(m);
- if (!dbus_connection_send(m->manager->bus, reply, NULL))
- return log_oom();
+ if (error)
+ return sd_bus_reply_method_error(m->manager->bus, c, error);
- dbus_message_unref(m->create_message);
- m->create_message = NULL;
+ p = machine_bus_path(m);
+ if (!p)
+ return -ENOMEM;
- return 0;
+ return sd_bus_reply_method_return(m->manager->bus, c, "o", p);
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-25 17:35:22 +0000