static void
device_added (MMBaseManager *manager,
GUdevDevice *port,
gboolean hotplugged,
gboolean manual_scan)
{
MMDevice *device;
const char *subsys, *name, *physdev_path, *physdev_subsys;
gboolean is_candidate;
GUdevDevice *physdev = NULL;
g_return_if_fail (port != NULL);
subsys = g_udev_device_get_subsystem (port);
name = g_udev_device_get_name (port);
/* ignore VTs */
if (strncmp (name, "tty", 3) == 0 && isdigit (name[3]))
return;
/* Ignore devices that aren't completely configured by udev yet. If
* ModemManager is started in parallel with udev, explicitly requesting
* devices may return devices for which not all udev rules have yet been
* applied (a bug in udev/gudev). Since we often need those rules to match
* the device to a specific ModemManager driver, we need to ensure that all
* rules have been processed before handling a device.
*/
is_candidate = g_udev_device_get_property_as_boolean (port, "ID_MM_CANDIDATE");
if (!is_candidate) {
/* This could mean that device changed, loosing its ID_MM_CANDIDATE
* flags (such as Bluetooth RFCOMM devices upon disconnect.
* Try to forget it. */
if (hotplugged && !manual_scan)
device_removed (manager, port);
return;
}
if (find_device_by_port (manager, port))
return;
/* Find the port's physical device's sysfs path. This is the kernel device
* that "owns" all the ports of the device, like the USB device or the PCI
* device the provides each tty or network port.
*/
physdev = find_physical_device (port);
if (!physdev) {
/* Warn about it, but filter out some common ports that we know don't have
* anything to do with mobile broadband.
*/
if ( strcmp (name, "console")
&& strcmp (name, "ptmx")
&& strcmp (name, "lo")
&& strcmp (name, "tty")
&& !strstr (name, "virbr"))
mm_dbg ("(%s/%s): could not get port's parent device", subsys, name);
goto out;
}
/* Is the device blacklisted? */
if (g_udev_device_get_property_as_boolean (physdev, "ID_MM_DEVICE_IGNORE")) {
mm_dbg ("(%s/%s): port's parent device is blacklisted", subsys, name);
goto out;
}
/* Is the device in the manual-only greylist? If so, return if this is an
* automatic scan. */
if (!manual_scan && g_udev_device_get_property_as_boolean (physdev, "ID_MM_DEVICE_MANUAL_SCAN_ONLY")) {
mm_dbg ("(%s/%s): port probed only in manual scan", subsys, name);
goto out;
}
/* If the physdev is a 'platform' or 'pnp' device that's not whitelisted, ignore it */
physdev_subsys = g_udev_device_get_subsystem (physdev);
if ( physdev_subsys
&& ( g_str_equal (physdev_subsys, "platform")
|| g_str_equal (physdev_subsys, "pnp"))
&& !g_udev_device_get_property_as_boolean (physdev, "ID_MM_PLATFORM_DRIVER_PROBE")) {
mm_dbg ("(%s/%s): port's parent platform driver is not whitelisted", subsys, name);
goto out;
}
physdev_path = g_udev_device_get_sysfs_path (physdev);
if (!physdev_path) {
mm_dbg ("(%s/%s): could not get port's parent device sysfs path", subsys, name);
goto out;
}
/* See if we already created an object to handle ports in this device */
device = find_device_by_sysfs_path (manager, physdev_path);
if (!device) {
FindDeviceSupportContext *ctx;
/* Keep the device listed in the Manager */
device = mm_device_new (physdev, hotplugged);
g_hash_table_insert (manager->priv->devices,
g_strdup (physdev_path),
device);
/* Launch device support check */
ctx = g_slice_new (FindDeviceSupportContext);
ctx->self = g_object_ref (manager);
ctx->device = g_object_ref (device);
mm_plugin_manager_device_support_check (
manager->priv->plugin_manager,
device,
(GAsyncReadyCallback) device_support_check_ready,
ctx);
}
/* Grab the port in the existing device. */
mm_device_grab_port (device, port);
out:
if (physdev)
g_object_unref (physdev);
}
static void
device_added (MMManager *manager,
GUdevDevice *device)
{
const char *subsys, *name, *physdev_path, *physdev_subsys;
gboolean is_candidate;
GUdevDevice *physdev = NULL;
MMPlugin *plugin;
MMBaseModem *existing;
g_return_if_fail (device != NULL);
subsys = g_udev_device_get_subsystem (device);
name = g_udev_device_get_name (device);
/* ignore VTs */
if (strncmp (name, "tty", 3) == 0 && isdigit (name[3]))
return;
/* Ignore devices that aren't completely configured by udev yet. If
* ModemManager is started in parallel with udev, explicitly requesting
* devices may return devices for which not all udev rules have yet been
* applied (a bug in udev/gudev). Since we often need those rules to match
* the device to a specific ModemManager driver, we need to ensure that all
* rules have been processed before handling a device.
*/
is_candidate = g_udev_device_get_property_as_boolean (device, "ID_MM_CANDIDATE");
if (!is_candidate)
return;
if (find_modem_for_port (manager, subsys, name))
return;
/* Find the port's physical device's sysfs path. This is the kernel device
* that "owns" all the ports of the device, like the USB device or the PCI
* device the provides each tty or network port.
*/
physdev = find_physical_device (device);
if (!physdev) {
/* Warn about it, but filter out some common ports that we know don't have
* anything to do with mobile broadband.
*/
if ( strcmp (name, "console")
&& strcmp (name, "ptmx")
&& strcmp (name, "lo")
&& strcmp (name, "tty")
&& !strstr (name, "virbr"))
mm_dbg ("(%s/%s): could not get port's parent device", subsys, name);
goto out;
}
/* Is the device blacklisted? */
if (g_udev_device_get_property_as_boolean (physdev, "ID_MM_DEVICE_IGNORE")) {
mm_dbg ("(%s/%s): port's parent device is blacklisted", subsys, name);
goto out;
}
/* If the physdev is a 'platform' device that's not whitelisted, ignore it */
physdev_subsys = g_udev_device_get_subsystem (physdev);
if ( physdev_subsys
&& !strcmp (physdev_subsys, "platform")
&& !g_udev_device_get_property_as_boolean (physdev, "ID_MM_PLATFORM_DRIVER_PROBE")) {
mm_dbg ("(%s/%s): port's parent platform driver is not whitelisted", subsys, name);
goto out;
}
physdev_path = g_udev_device_get_sysfs_path (physdev);
if (!physdev_path) {
mm_dbg ("(%s/%s): could not get port's parent device sysfs path", subsys, name);
goto out;
}
/* Already launched the same port support check? */
if (mm_plugin_manager_is_finding_port_support (manager->priv->plugin_manager,
subsys,
name,
physdev_path)) {
mm_dbg ("(%s/%s): support check already requested in port", subsys, name);
goto out;
}
/* If this port's physical modem is already owned by a plugin, don't bother
* asking all plugins whether they support this port, just let the owning
* plugin check if it supports the port.
*/
existing = find_modem_for_device (manager, physdev_path);
plugin = (existing ?
MM_PLUGIN (g_object_get_data (G_OBJECT (existing), MANAGER_PLUGIN_TAG)) :
NULL);
/* Launch supports check in the Plugin Manager */
mm_plugin_manager_find_port_support (
manager->priv->plugin_manager,
subsys,
name,
physdev_path,
plugin,
existing,
(GAsyncReadyCallback)find_port_support_ready_cb,
find_port_support_context_new (manager,
device,
physdev));
out:
if (physdev)
g_object_unref (physdev);
}
