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7f97c7ea9a
As we start refactoring the code to break dependencies (see doc/refactoring.txt), I want us to use full paths in the includes (eg, #include "base/data-struct/list.h"). This makes it more obvious when we're breaking abstraction boundaries, eg, including a file in metadata/ from base/
126 lines
2.7 KiB
C
126 lines
2.7 KiB
C
/*
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* Copyright (C) 2015 Red Hat, Inc.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*/
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#include "lib/misc/lib.h"
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#include "lib/commands/toolcontext.h"
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#include "lib/notify/lvmnotify.h"
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#define LVM_DBUS_DESTINATION "com.redhat.lvmdbus1"
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#define LVM_DBUS_PATH "/com/redhat/lvmdbus1/Manager"
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#define LVM_DBUS_INTERFACE "com.redhat.lvmdbus1.Manager"
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#define SD_BUS_SYSTEMD_NO_SUCH_UNIT_ERROR "org.freedesktop.systemd1.NoSuchUnit"
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#define SD_BUS_DBUS_SERVICE_UNKNOWN_ERROR "org.freedesktop.DBus.Error.ServiceUnknown"
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#ifdef NOTIFYDBUS_SUPPORT
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#include <systemd/sd-bus.h>
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int lvmnotify_is_supported(void)
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{
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return 1;
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}
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void lvmnotify_send(struct cmd_context *cmd)
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{
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static const char _dbus_notification_failed_msg[] = "D-Bus notification failed";
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sd_bus *bus = NULL;
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sd_bus_message *m = NULL;
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sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *cmd_name;
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int ret;
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int result = 0;
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if (!cmd->vg_notify && !cmd->lv_notify && !cmd->pv_notify)
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return;
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cmd->vg_notify = 0;
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cmd->lv_notify = 0;
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cmd->pv_notify = 0;
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cmd_name = get_cmd_name();
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ret = sd_bus_open_system(&bus);
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if (ret < 0) {
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log_debug_dbus("Failed to connect to dbus: %d", ret);
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return;
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}
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log_debug_dbus("Nofify dbus at %s.", LVM_DBUS_DESTINATION);
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ret = sd_bus_call_method(bus,
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LVM_DBUS_DESTINATION,
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LVM_DBUS_PATH,
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LVM_DBUS_INTERFACE,
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"ExternalEvent",
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&error,
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&m,
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"s",
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cmd_name);
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if (ret < 0) {
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if (sd_bus_error_has_name(&error, SD_BUS_SYSTEMD_NO_SUCH_UNIT_ERROR) ||
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sd_bus_error_has_name(&error, SD_BUS_DBUS_SERVICE_UNKNOWN_ERROR))
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log_debug_dbus("%s: %s", _dbus_notification_failed_msg, error.message);
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else
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log_warn("WARNING: %s: %s", _dbus_notification_failed_msg, error.message);
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goto out;
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}
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ret = sd_bus_message_read(m, "i", &result);
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if (ret < 0)
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log_debug_dbus("Failed to parse dbus response message: %d", ret);
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if (result)
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log_debug_dbus("Bad return value from dbus service: %d", result);
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out:
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sd_bus_error_free(&error);
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sd_bus_message_unref(m);
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sd_bus_flush_close_unref(bus);
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}
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void set_vg_notify(struct cmd_context *cmd)
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{
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cmd->vg_notify = 1;
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}
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void set_lv_notify(struct cmd_context *cmd)
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{
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cmd->lv_notify = 1;
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}
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void set_pv_notify(struct cmd_context *cmd)
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{
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cmd->pv_notify = 1;
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}
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#else
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int lvmnotify_is_supported(void)
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{
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return 0;
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}
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void lvmnotify_send(struct cmd_context *cmd)
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{
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}
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void set_vg_notify(struct cmd_context *cmd)
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{
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}
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void set_lv_notify(struct cmd_context *cmd)
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{
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}
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void set_pv_notify(struct cmd_context *cmd)
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{
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}
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#endif
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