[systemd-devel] [WIP][PATCH 2/3] machinectl: port to sd-bus
Tom Gundersen
teg at jklm.no
Sun Oct 20 14:59:54 PDT 2013
Is there a better way to parse the messages in show_one()?
---
Makefile.am | 3 +-
src/libsystemd-bus/bus-util.c | 185 +++++++++++++++++++
src/libsystemd-bus/bus-util.h | 3 +
src/machine/machinectl.c | 408 +++++++++++++++++++-----------------------
4 files changed, 375 insertions(+), 224 deletions(-)
diff --git a/Makefile.am b/Makefile.am
index 29d9c72..d3f74fd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3736,8 +3736,7 @@ machinectl_CFLAGS = \
machinectl_LDADD = \
libsystemd-shared.la \
- libsystemd-dbus.la \
- libudev.la
+ libsystemd-bus.la
rootbin_PROGRAMS += \
machinectl
diff --git a/src/libsystemd-bus/bus-util.c b/src/libsystemd-bus/bus-util.c
index c726104..6d68646 100644
--- a/src/libsystemd-bus/bus-util.c
+++ b/src/libsystemd-bus/bus-util.c
@@ -450,3 +450,188 @@ int bus_connect_system(sd_bus **_bus) {
*_bus = bus;
return 0;
}
+
+int bus_connect_system_ssh(const char *host, sd_bus **_bus) {
+ sd_bus *bus;
+ char *p = NULL;
+ int r;
+
+ assert(_bus);
+ assert(host);
+
+ asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s,argv3=systemd-stdio-bridge", host);
+ if (!p)
+ return -ENOMEM;
+
+ r = sd_bus_new(&bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_set_address(bus, p);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_set_bus_client(bus, true);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_start(bus);
+ if (r < 0)
+ return r;
+
+ *_bus = bus;
+ return 0;
+}
+
+int generic_print_property(const char *name, sd_bus_message *property, bool all) {
+ char type;
+ const char *contents;
+
+ assert(name);
+ assert(property);
+
+ sd_bus_message_peek_type(property, &type, &contents);
+
+ switch (type) {
+
+ case SD_BUS_TYPE_STRING: {
+ const char *s;
+ sd_bus_message_read_basic(property, type, &s);
+
+ if (all || !isempty(s))
+ printf("%s=%s\n", name, s);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_BOOLEAN: {
+ bool b;
+
+ sd_bus_message_read_basic(property, type, &b);
+ printf("%s=%s\n", name, yes_no(b));
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_UINT64: {
+ uint64_t u;
+
+ sd_bus_message_read_basic(property, type, &u);
+
+ /* Yes, heuristics! But we can change this check
+ * should it turn out to not be sufficient */
+
+ if (endswith(name, "Timestamp")) {
+ char timestamp[FORMAT_TIMESTAMP_MAX], *t;
+
+ t = format_timestamp(timestamp, sizeof(timestamp), u);
+ if (t || all)
+ printf("%s=%s\n", name, strempty(t));
+
+ } else if (strstr(name, "USec")) {
+ char timespan[FORMAT_TIMESPAN_MAX];
+
+ printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0));
+ } else
+ printf("%s=%llu\n", name, (unsigned long long) u);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_UINT32: {
+ uint32_t u;
+
+ sd_bus_message_read_basic(property, type, &u);
+
+ if (strstr(name, "UMask") || strstr(name, "Mode"))
+ printf("%s=%04o\n", name, u);
+ else
+ printf("%s=%u\n", name, (unsigned) u);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_INT32: {
+ int32_t i;
+
+ sd_bus_message_read_basic(property, type, &i);
+
+ printf("%s=%i\n", name, (int) i);
+ return 1;
+ }
+
+ case SD_BUS_TYPE_DOUBLE: {
+ double d;
+
+ sd_bus_message_read_basic(property, type, &d);
+
+ printf("%s=%g\n", name, d);
+ return 1;
+ }
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (streq(contents, "s")) {
+ const char **s;
+ size_t n;
+ bool space = false;
+
+ sd_bus_message_read_array(property, SD_BUS_TYPE_STRING, (const void**) &s, &n);
+ if (all || n > 0) {
+ unsigned int i;
+
+ printf("%s=", name);
+
+ for (i = 0; i < n; i++) {
+ printf("%s%s", space ? " " : "", s[i]);
+
+ space = true;
+ }
+
+ puts("");
+ }
+
+ return 1;
+
+ } else if (streq(contents, "y")) {
+ const uint8_t *u;
+ size_t n;
+
+ sd_bus_message_read_array(property, SD_BUS_TYPE_BYTE, (const void**) &u, &n);
+ if (all || n > 0) {
+ unsigned int i;
+
+ printf("%s=", name);
+
+ for (i = 0; i < n; i++)
+ printf("%02x", u[i]);
+
+ puts("");
+ }
+
+ return 1;
+
+ } else if (streq(contents, "u")) {
+ uint32_t *u;
+ size_t n;
+
+ sd_bus_message_read_array(property, SD_BUS_TYPE_UINT32, (const void**) &u, &n);
+ if (all || n > 0) {
+ unsigned int i;
+
+ printf("%s=", name);
+
+ for (i = 0; i < n; i++)
+ printf("%08x", u[i]);
+
+ puts("");
+ }
+
+ return 1;
+ }
+
+ break;
+ }
+
+ return 0;
+}
diff --git a/src/libsystemd-bus/bus-util.h b/src/libsystemd-bus/bus-util.h
index 9b270c8..03a8752 100644
--- a/src/libsystemd-bus/bus-util.h
+++ b/src/libsystemd-bus/bus-util.h
@@ -38,6 +38,9 @@ int bus_verify_polkit_async(sd_bus *bus, Hashmap **registry, sd_bus_message *m,
void bus_verify_polkit_async_registry_free(sd_bus *bus, Hashmap *registry);
int bus_connect_system(sd_bus **_bus);
+int bus_connect_system_ssh(const char *host, sd_bus **_bus);
+
+int generic_print_property(const char *name, sd_bus_message *property, bool all);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref);
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 97c2193..ba0ceb7 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -19,7 +19,6 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <dbus/dbus.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
@@ -27,17 +26,19 @@
#include <pwd.h>
#include <locale.h>
+#include "sd-bus.h"
+
#include "log.h"
#include "util.h"
#include "macro.h"
#include "pager.h"
-#include "dbus-common.h"
+#include "bus-util.h"
+#include "bus-error.h"
#include "build.h"
#include "strv.h"
#include "unit-name.h"
#include "cgroup-show.h"
#include "cgroup-util.h"
-#include "spawn-polkit-agent.h"
static char **arg_property = NULL;
static bool arg_all = false;
@@ -48,7 +49,6 @@ static int arg_signal = SIGTERM;
static enum transport {
TRANSPORT_NORMAL,
TRANSPORT_SSH,
- TRANSPORT_POLKIT
} arg_transport = TRANSPORT_NORMAL;
static bool arg_ask_password = true;
static char *arg_host = NULL;
@@ -63,77 +63,66 @@ static void pager_open_if_enabled(void) {
pager_open(false);
}
-static int list_machines(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- DBusMessageIter iter, sub, sub2;
+static int list_machines(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;
+ const char *name, *class, *service, *object;
unsigned k = 0;
int r;
pager_open_if_enabled();
- r = bus_method_call_with_reply (
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "ListMachines",
- &reply,
- NULL,
- DBUS_TYPE_INVALID);
- if (r)
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "ListMachines",
+ &error,
+ &reply,
+ "");
+ if (r < 0) {
+ log_error("Could not get machines: %s", bus_error_message(&error, -r));
return r;
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
- log_error("Failed to parse reply.");
- return -EIO;
}
- dbus_message_iter_recurse(&iter, &sub);
-
if (on_tty())
printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name, *class, *service, *object;
-
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&sub, &sub2);
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
+ if (r < 0)
+ goto fail;
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &class, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &service, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
+ while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
+ if (r < 0)
+ goto fail;
printf("%-32s %-9s %-16s\n", name, class, service);
k++;
-
- dbus_message_iter_next(&sub);
}
+ if (r < 0)
+ goto fail;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ goto fail;
if (on_tty())
printf("\n%u machines listed.\n", k);
return 0;
+
+fail:
+ log_error("Failed to parse reply: %s", strerror(-r));
+ return -EIO;
}
-static int show_scope_cgroup(DBusConnection *bus, const char *unit, pid_t leader) {
- const char *interface = "org.freedesktop.systemd1.Scope";
- const char *property = "ControlGroup";
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+static int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
- DBusMessageIter iter, sub;
const char *cgroup;
- DBusError error;
int r, output_flags;
unsigned c;
@@ -147,37 +136,28 @@ static int show_scope_cgroup(DBusConnection *bus, const char *unit, pid_t leader
if (!path)
return log_oom();
- r = bus_method_call_with_reply(
+ r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.DBus.Properties",
"Get",
- &reply,
&error,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &property,
- DBUS_TYPE_INVALID);
+ &reply,
+ "ss",
+ "org.freedesktop.systemd1.Scope",
+ "ControlGroup");
if (r < 0) {
- log_error("Failed to query ControlGroup: %s", bus_error(&error, r));
- dbus_error_free(&error);
+ log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
return r;
}
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- return -EINVAL;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- return -EINVAL;
+ r = sd_bus_message_read(reply, "v", "s", &cgroup);
+ if (r < 0) {
+ log_error("Failed to parse reply: %s", strerror(-r));
+ return r;
}
- dbus_message_iter_get_basic(&sub, &cgroup);
-
if (isempty(cgroup))
return 0;
@@ -209,7 +189,7 @@ typedef struct MachineStatusInfo {
usec_t timestamp;
} MachineStatusInfo;
-static void print_machine_status_info(DBusConnection *bus, MachineStatusInfo *i) {
+static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
char since2[FORMAT_TIMESTAMP_MAX], *s2;
assert(i);
@@ -260,17 +240,27 @@ static void print_machine_status_info(DBusConnection *bus, MachineStatusInfo *i)
}
}
-static int status_property_machine(const char *name, DBusMessageIter *iter, 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(iter);
+ assert(property);
assert(i);
- switch (dbus_message_iter_get_arg_type(iter)) {
+ 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 DBUS_TYPE_STRING: {
+ case SD_BUS_TYPE_STRING: {
const char *s;
- dbus_message_iter_get_basic(iter, &s);
+ sd_bus_message_read_basic(property, type, &s);
if (!isempty(s)) {
if (streq(name, "Name"))
@@ -287,10 +277,10 @@ static int status_property_machine(const char *name, DBusMessageIter *iter, Mach
break;
}
- case DBUS_TYPE_UINT32: {
+ case SD_BUS_TYPE_UINT32: {
uint32_t u;
- dbus_message_iter_get_basic(iter, &u);
+ sd_bus_message_read_basic(property, type, &u);
if (streq(name, "Leader"))
i->leader = (pid_t) u;
@@ -298,10 +288,10 @@ static int status_property_machine(const char *name, DBusMessageIter *iter, Mach
break;
}
- case DBUS_TYPE_UINT64: {
+ case SD_BUS_TYPE_UINT64: {
uint64_t u;
- dbus_message_iter_get_basic(iter, &u);
+ sd_bus_message_read_basic(property, type, &u);
if (streq(name, "Timestamp"))
i->timestamp = (usec_t) u;
@@ -309,16 +299,12 @@ static int status_property_machine(const char *name, DBusMessageIter *iter, Mach
break;
}
- case DBUS_TYPE_ARRAY: {
- DBusMessageIter sub;
-
- dbus_message_iter_recurse(iter, &sub);
+ case SD_BUS_TYPE_ARRAY: {
+ if (streq(contents, "y") && streq(name, "Id")) {
+ const void *v;
+ size_t n;
- if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE && streq(name, "Id")) {
- void *v;
- int n;
-
- dbus_message_iter_get_fixed_array(&sub, &v, &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)
@@ -332,14 +318,14 @@ static int status_property_machine(const char *name, DBusMessageIter *iter, Mach
return 0;
}
-static int print_property(const char *name, DBusMessageIter *iter) {
+static int print_property(const char *name, sd_bus_message *reply) {
assert(name);
- assert(iter);
+ assert(reply);
if (arg_property && !strv_find(arg_property, name))
return 0;
- if (generic_print_property(name, iter, arg_all) > 0)
+ if (generic_print_property(name, reply, arg_all) > 0)
return 0;
if (arg_all)
@@ -348,138 +334,133 @@ static int print_property(const char *name, DBusMessageIter *iter) {
return 0;
}
-static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *interface = "";
+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;
int r;
- DBusMessageIter iter, sub, sub2, sub3;
MachineStatusInfo machine_info = {};
assert(path);
assert(new_line);
- r = bus_method_call_with_reply(
+ r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
path,
"org.freedesktop.DBus.Properties",
"GetAll",
+ &error,
&reply,
- NULL,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_INVALID);
- if (r < 0)
- goto finish;
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
+ "s", "");
+ if (r < 0) {
+ log_error("Could not get properties: %s", bus_error_message(&error, -r));
+ return r;
}
- dbus_message_iter_recurse(&iter, &sub);
if (*new_line)
printf("\n");
*new_line = true;
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+ if (r < 0)
+ goto fail;
+
+ while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
const char *name;
+ const char *contents;
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
+ if (r < 0)
+ goto fail;
- dbus_message_iter_recurse(&sub, &sub2);
+ r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &name);
+ if (r < 0)
+ goto fail;
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
+ r = sd_bus_message_peek_type(reply, NULL, &contents);
+ if (r < 0)
+ goto fail;
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&sub2, &sub3);
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
+ if (r < 0)
+ goto fail;
if (show_properties)
- r = print_property(name, &sub3);
+ r = print_property(name, reply);
else
- r = status_property_machine(name, &sub3, &machine_info);
+ r = status_property_machine(name, reply, &machine_info);
+ if (r < 0)
+ goto fail;
- if (r < 0) {
- log_error("Failed to parse reply.");
- goto finish;
- }
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ goto fail;
- dbus_message_iter_next(&sub);
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ goto fail;
}
+ if (r < 0)
+ goto fail;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ goto fail;
if (!show_properties)
print_machine_status_info(bus, &machine_info);
- r = 0;
-
-finish:
+ return 0;
- return r;
+fail:
+ log_error("Failed to parse reply: %s", strerror(-r));
+ return -EIO;
}
-static int show(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+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;
- DBusError error;
unsigned i;
bool show_properties, new_line = false;
assert(bus);
assert(args);
- dbus_error_init(&error);
-
show_properties = !strstr(args[0], "status");
pager_open_if_enabled();
if (show_properties && n <= 1) {
- /* If not argument is specified inspect the manager
+
+ /* If no argument is specified inspect the manager
* itself */
- ret = show_one(args[0], bus, "/org/freedesktop/machine1", show_properties, &new_line);
- goto finish;
+ return show_one(args[0], bus, "/org/freedesktop/machine1", show_properties, &new_line);
}
for (i = 1; i < n; i++) {
const char *path = NULL;
- ret = bus_method_call_with_reply(
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "GetMachine",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_INVALID);
- if (ret < 0)
- goto finish;
-
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "GetMachine",
+ &error,
+ &reply,
+ "s", args[i]);
+ if (r < 0) {
+ log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0) {
+ log_error("Failed to parse reply: %s", strerror(-r));
+ return -EIO;
}
r = show_one(args[0], bus, path, show_properties, &new_line);
@@ -487,13 +468,11 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
ret = r;
}
-finish:
- dbus_error_free(&error);
-
return ret;
}
-static int kill_machine(DBusConnection *bus, char **args, unsigned n) {
+static int kill_machine(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
unsigned i;
assert(args);
@@ -504,26 +483,26 @@ static int kill_machine(DBusConnection *bus, char **args, unsigned n) {
for (i = 1; i < n; i++) {
int r;
- r = bus_method_call_with_reply (
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "KillMachine",
- NULL,
- NULL,
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_STRING, &arg_kill_who,
- DBUS_TYPE_INT32, &arg_signal,
- DBUS_TYPE_INVALID);
- if (r)
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "KillMachine",
+ &error,
+ NULL,
+ "ssi", args[i], arg_kill_who, arg_signal);
+ if (r < 0) {
+ log_error("Could not kill machine: %s", bus_error_message(&error, -r));
return r;
+ }
}
return 0;
}
-static int terminate_machine(DBusConnection *bus, char **args, unsigned n) {
+static int terminate_machine(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
unsigned i;
assert(args);
@@ -531,18 +510,19 @@ static int terminate_machine(DBusConnection *bus, char **args, unsigned n) {
for (i = 1; i < n; i++) {
int r;
- r = bus_method_call_with_reply (
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "TerminateMachine",
- NULL,
- NULL,
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_INVALID);
- if (r)
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "TerminateMachine",
+ &error,
+ NULL,
+ "s", args[i]);
+ if (r < 0) {
+ log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
return r;
+ }
}
return 0;
@@ -561,7 +541,6 @@ static int help(void) {
" -s --signal=SIGNAL Which signal to send\n"
" --no-ask-password Don't prompt for password\n"
" -H --host=[USER@]HOST Show information for remote host\n"
- " -P --privileged Acquire privileges before execution\n"
" --no-pager Do not pipe output into a pager\n\n"
"Commands:\n"
" list List running VMs and containers\n"
@@ -661,10 +640,6 @@ static int parse_argv(int argc, char *argv[]) {
}
break;
- case 'P':
- arg_transport = TRANSPORT_POLKIT;
- break;
-
case 'H':
arg_transport = TRANSPORT_SSH;
parse_user_at_host(optarg, &arg_user, &arg_host);
@@ -682,7 +657,7 @@ static int parse_argv(int argc, char *argv[]) {
return 1;
}
-static int machinectl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
+static int machinectl_main(sd_bus *bus, int argc, char *argv[], const int r) {
static const struct {
const char* verb;
@@ -692,7 +667,7 @@ static int machinectl_main(DBusConnection *bus, int argc, char *argv[], DBusErro
EQUAL
} argc_cmp;
const int argc;
- int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
+ int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
} verbs[] = {
{ "list", LESS, 1, list_machines },
{ "status", MORE, 2, show },
@@ -706,7 +681,6 @@ static int machinectl_main(DBusConnection *bus, int argc, char *argv[], DBusErro
assert(argc >= 0);
assert(argv);
- assert(error);
left = argc - optind;
@@ -759,8 +733,8 @@ static int machinectl_main(DBusConnection *bus, int argc, char *argv[], DBusErro
assert_not_reached("Unknown comparison operator.");
}
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error->message);
+ if (r < 0) {
+ log_error("Failed to get D-Bus connection: %s", strerror(-r));
return -EIO;
}
@@ -769,10 +743,7 @@ static int machinectl_main(DBusConnection *bus, int argc, char *argv[], DBusErro
int main(int argc, char*argv[]) {
int r, retval = EXIT_FAILURE;
- DBusConnection *bus = NULL;
- DBusError error;
-
- dbus_error_init(&error);
+ _cleanup_bus_unref_ sd_bus *bus = NULL;
setlocale(LC_ALL, "");
log_parse_environment();
@@ -787,27 +758,20 @@ int main(int argc, char*argv[]) {
}
if (arg_transport == TRANSPORT_NORMAL)
- bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
- else if (arg_transport == TRANSPORT_POLKIT)
- bus_connect_system_polkit(&bus, &error);
+ r = sd_bus_open_system(&bus);
else if (arg_transport == TRANSPORT_SSH)
- bus_connect_system_ssh(NULL, arg_host, &bus, &error);
+ r = bus_connect_system_ssh(arg_host, &bus);
else
assert_not_reached("Uh, invalid transport...");
+ if (r < 0) {
+ retval = EXIT_FAILURE;
+ goto finish;
+ }
- r = machinectl_main(bus, argc, argv, &error);
+ r = machinectl_main(bus, argc, argv, r);
retval = r < 0 ? EXIT_FAILURE : r;
finish:
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
- }
-
- dbus_error_free(&error);
- dbus_shutdown();
-
strv_free(arg_property);
pager_close();
--
1.8.4.1
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