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/***************************************************************************
*
* osspec.c : Solaris HAL backend entry points
*
* Copyright 2011 Andrew Stormont <andyjstormont@gmail.com>
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Licensed under the Academic Free License version 2.1
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <unistd.h>
#include <strings.h>
#include <port.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/mntent.h>
#include <sys/mnttab.h>
#include "../osspec.h"
#include "../logger.h"
#include "../hald.h"
#include "../hald_dbus.h"
#include "../device_info.h"
#include "../util.h"
#include "../ids.h"
#include "osspec_solaris.h"
#include "hotplug.h"
#include "sysevent.h"
#include "devinfo.h"
#include "devinfo_storage.h"
static void mnttab_event_init ();
static gboolean mnttab_event (GIOChannel *channel, GIOCondition cond, gpointer user_data);
void
osspec_privileged_init (void)
{
}
void
osspec_init (void)
{
ids_init ();
sysevent_init ();
mnttab_event_init ();
}
void
hotplug_queue_now_empty (void)
{
if (hald_is_initialising) {
osspec_probe_done ();
}
}
void
osspec_probe (void)
{
/* add entire device tree */
devinfo_add (NULL, "/");
/* start processing events */
hotplug_event_process_queue ();
}
gboolean
osspec_device_rescan (HalDevice *d)
{
return (devinfo_device_rescan (d));
}
gboolean
osspec_device_reprobe (HalDevice *d)
{
return FALSE;
}
DBusHandlerResult
osspec_filter_function (DBusConnection *connection, DBusMessage *message, void *user_data)
{
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
/** Find the closest ancestor by looking at devfs paths
*
* @param devfs_path Path into devfs, e.g. /pci@0,0/pci1025,57@10,2/storage@1
* @return Parent Hal Device Object or #NULL if there is none
*/
HalDevice *
hal_util_find_closest_ancestor (const gchar *devfs_path, gchar **ancestor_devfs_path, gchar **hotplug_devfs_path)
{
gchar buf[512];
gchar c;
HalDevice *parent;
parent = NULL;
strncpy (buf, devfs_path, sizeof (buf));
do {
char *p;
p = strrchr (buf, '/');
if (p == NULL)
break;
c = *p;
*p = '\0';
parent = hal_device_store_match_key_value_string (hald_get_gdl (),
"solaris.devfs_path",
buf);
if (parent != NULL) {
if (ancestor_devfs_path != NULL) {
*ancestor_devfs_path = g_strdup (buf);
}
if (hotplug_devfs_path != NULL) {
*p = c;
*hotplug_devfs_path = g_strdup (buf);
}
break;
}
} while (TRUE);
return parent;
}
char *
dsk_to_rdsk(char *dsk)
{
int len, pos;
char *p;
char *rdsk;
if ((len = strlen (dsk)) < sizeof ("/dev/dsk/cN") - 1) {
return (strdup(""));
}
if ((p = strstr (dsk, "/dsk/")) == NULL) {
if ((p = strstr (dsk, "/lofi/")) == NULL) {
p = strstr (dsk, "/diskette");
}
}
if (p == NULL) {
return (strdup(""));
}
pos = (uintptr_t)p - (uintptr_t)dsk;
if ((rdsk = (char *)calloc (len + 2, 1)) != NULL) {
strncpy (rdsk, dsk, pos + 1);
rdsk[pos + 1] = 'r';
strcpy (rdsk + pos + 2, dsk + pos + 1);
}
return (rdsk);
}
/*
* Setup to watch mnttab changes
*
* When mnttab changes, POLLRDBAND is set. However, glib does not
* support POLLRDBAND, so we use Solaris ports (see port_create(3C))
* to "map" POLLRDBAND to POLLIN:
*
* - create a port
* - associate the port with mnttab file descriptor and POLLRDBAND
* - now polling for POLLIN on the port descriptor will unblock when
* the associated file descriptor receives POLLRDBAND
*/
static int mnttab_fd;
static int mnttab_port;
static GIOChannel *mnttab_channel;
static void
mnttab_event_init ()
{
char buf[81];
if ((mnttab_fd = open (MNTTAB, O_RDONLY)) < 0) {
return;
}
if ((mnttab_port = port_create ()) < 0) {
(void) close (mnttab_fd);
return;
}
if (port_associate (mnttab_port, PORT_SOURCE_FD, mnttab_fd, POLLRDBAND,
NULL) != 0) {
(void) close (mnttab_port);
(void) close (mnttab_fd);
return;
}
/* suppress initial event */
(void) read(mnttab_fd, buf, (size_t)(sizeof (buf) - 1));
(void) lseek(mnttab_fd, 0, SEEK_SET);
mnttab_channel = g_io_channel_unix_new (mnttab_port);
g_io_add_watch (mnttab_channel, G_IO_IN, mnttab_event, NULL);
}
static gboolean
mnttab_event (GIOChannel *channel, GIOCondition cond, gpointer user_data)
{
port_event_t pe;
timespec_t timeout;
char buf[81];
/* if (cond & ~G_IO_ERR)
return TRUE;
*/
HAL_INFO (("mnttab event"));
/* we have to re-associate port with fd every time */
timeout.tv_sec = timeout.tv_nsec = 0;
(void) port_get(mnttab_port, &pe, &timeout);
(void) port_associate(mnttab_port, PORT_SOURCE_FD,
mnttab_fd, POLLRDBAND, NULL);
if (!hald_is_initialising) {
devinfo_storage_mnttab_event (NULL);
}
(void) lseek(mnttab_fd, 0, SEEK_SET);
(void) read(mnttab_fd, buf, (size_t)(sizeof (buf) - 1));
return TRUE;
}
void
osspec_refresh_mount_state_for_block_device (HalDevice *d)
{
devinfo_storage_mnttab_event (d);
}
static HalFileMonitor *file_monitor = NULL;
HalFileMonitor *
osspec_get_file_monitor (void)
{
return file_monitor;
}
guint
hal_file_monitor_add_notify (HalFileMonitor *monitor,
const char *path,
int mask,
HalFileMonitorNotifyFunc notify_func,
gpointer data)
{
return 0;
}
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