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author | greg@kroah.com <greg@kroah.com> | 2004-03-25 06:37:34 +0100 |
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committer | Greg KH <gregkh@suse.de> | 2005-04-27 06:35:11 +0200 |
commit | 357f44a534e5e32e52020121c983aca90ae7ac1b (patch) | |
tree | a03580d8f12b5ea3aa60fa7242c42eaf10a3c852 /udev_dbus.c | |
parent | [PATCH] udev_dbus can now compile properly, but linnking is another story... (diff) | |
download | systemd-357f44a534e5e32e52020121c983aca90ae7ac1b.tar.xz systemd-357f44a534e5e32e52020121c983aca90ae7ac1b.zip |
[PATCH] move udev_dbus to extras/dbus
Should build now, but might have linking problems.
Diffstat (limited to 'udev_dbus.c')
-rw-r--r-- | udev_dbus.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/udev_dbus.c b/udev_dbus.c deleted file mode 100644 index 7e767040f0..0000000000 --- a/udev_dbus.c +++ /dev/null @@ -1,179 +0,0 @@ -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> -#include <ctype.h> - -#define DBUS_API_SUBJECT_TO_CHANGE -#include <dbus/dbus.h> - -#include "udev.h" -#include "udev_lib.h" -#include "logging.h" - -#ifdef LOG -unsigned char logname[LOGNAME_SIZE]; -void log_message(int level, const char *format, ...) -{ - va_list args; - - if (!udev_log) - return; - - va_start(args, format); - vsyslog(level, format, args); - va_end(args); -} -#endif - -/** variable for the connection the to system message bus or #NULL - * if we cannot connect or acquire the org.kernel.udev service - */ -static DBusConnection* sysbus_connection; - -/** Disconnect from the system message bus */ -static void sysbus_disconnect(void) -{ - if (sysbus_connection == NULL) - return; - - dbus_connection_disconnect(sysbus_connection); - sysbus_connection = NULL; -} - -/** Connect to the system message bus */ -static void sysbus_connect(void) -{ - DBusError error; - - /* Connect to a well-known bus instance, the system bus */ - dbus_error_init(&error); - sysbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); - if (sysbus_connection == NULL) { - dbg("cannot connect to system message bus, error %s: %s", - error.name, error.message); - dbus_error_free(&error); - return; - } - - /* Acquire the org.kernel.udev service such that listeners - * know that the message is really from us and not from a - * random attacker. See the file udev_sysbus_policy.conf for - * details. - * - * Note that a service can have multiple owners (though there - * is a concept of a primary owner for reception of messages) - * so no race is introduced if two copies of udev is running - * at the same time. - */ - dbus_bus_acquire_service(sysbus_connection, "org.kernel.udev", 0, - &error); - if (dbus_error_is_set(&error)) { - printf("cannot acquire org.kernel.udev service, error %s: %s'", - error.name, error.message); - sysbus_disconnect(); - return; - } -} - - -/** Send out a signal that a device node is created - * - * @param devnode name of the device node, e.g. /dev/sda1 - * @param path Sysfs path of device - */ -static void sysbus_send_create(const char *devnode, const char *path) -{ - DBusMessage* message; - DBusMessageIter iter; - - /* object, interface, member */ - message = dbus_message_new_signal("/org/kernel/udev/NodeMonitor", - "org.kernel.udev.NodeMonitor", - "NodeCreated"); - - dbus_message_iter_init(message, &iter); - dbus_message_iter_append_string(&iter, devnode); - dbus_message_iter_append_string(&iter, path); - - if ( !dbus_connection_send(sysbus_connection, message, NULL) ) - dbg("error sending d-bus signal"); - - dbus_message_unref(message); - - dbus_connection_flush(sysbus_connection); -} - -/** Send out a signal that a device node is deleted - * - * @param devnode Name of the device node, e.g. /udev/sda1 - * @param path Sysfs path of device - */ -static void sysbus_send_remove(const char *devnode, const char *path) -{ - DBusMessage* message; - DBusMessageIter iter; - - /* object, interface, member */ - message = dbus_message_new_signal("/org/kernel/udev/NodeMonitor", - "org.kernel.udev.NodeMonitor", - "NodeDeleted"); - - dbus_message_iter_init(message, &iter); - dbus_message_iter_append_string(&iter, devnode); - dbus_message_iter_append_string(&iter, path); - - if ( !dbus_connection_send(sysbus_connection, message, NULL) ) - dbg("error sending d-bus signal"); - - dbus_message_unref(message); - - dbus_connection_flush(sysbus_connection); -} - -int main(int argc, char *argv[], char *envp[]) -{ - char *action; - char *devpath; - char *devnode; - int retval = 0; - - init_logging("udev_dbus"); - - sysbus_connect(); - if (sysbus_connection == NULL) - return 0; - - action = get_action(); - if (!action) { - dbg("no action?"); - goto exit; - } - devpath = get_devpath(); - if (!devpath) { - dbg("no devpath?"); - goto exit; - } - devnode = get_devnode(); - if (!devnode) { - dbg("no devnode?"); - goto exit; - } - - if (strcmp(action, "add") == 0) { - sysbus_send_create(devnode, devpath); - } else { - if (strcmp(action, "remove") == 0) { - sysbus_send_remove(devnode, devpath); - } else { - dbg("unknown action '%s'", action); - retval = -EINVAL; - } - } - -exit: - sysbus_disconnect(); - return retval; -} |