mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-12-25 06:56:14 +01:00
win32: Support autolaunching dbus daemon
This commit is contained in:
Alexander Larsson
parent
bd148e127a
commit
dccce38367
@ -286,7 +286,15 @@ unix_sources += \
|
||||
endif
|
||||
endif
|
||||
|
||||
gdbus_daemon_sources = \
|
||||
gdbusdaemon.c \
|
||||
gdbusdaemon.h \
|
||||
gdbus-daemon-generated.c \
|
||||
gdbus-daemon-generated.h \
|
||||
$(NULL)
|
||||
|
||||
win32_actual_sources = \
|
||||
$(gdbus_daemon_sources) \
|
||||
gwin32mount.c \
|
||||
gwin32mount.h \
|
||||
gwin32volumemonitor.c \
|
||||
|
||||
@ -38,12 +38,20 @@
|
||||
#include "gasyncresult.h"
|
||||
#include "gsimpleasyncresult.h"
|
||||
#include "gdbusprivate.h"
|
||||
#include "giomodule-priv.h"
|
||||
#include "gdbusdaemon.h"
|
||||
|
||||
#ifdef G_OS_UNIX
|
||||
#include <gio/gunixsocketaddress.h>
|
||||
#include <sys/wait.h>
|
||||
#endif
|
||||
|
||||
#ifdef G_OS_WIN32
|
||||
#include <windows.h>
|
||||
#include <io.h>
|
||||
#include <conio.h>
|
||||
#endif
|
||||
|
||||
#include "glibintl.h"
|
||||
|
||||
/**
|
||||
@ -1138,17 +1146,311 @@ get_session_address_dbus_launch (GError **error)
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef G_OS_WIN32
|
||||
|
||||
#define DBUS_DAEMON_ADDRESS_INFO "DBusDaemonAddressInfo"
|
||||
#define DBUS_DAEMON_MUTEX "DBusDaemonMutex"
|
||||
#define UNIQUE_DBUS_INIT_MUTEX "UniqueDBusInitMutex"
|
||||
#define DBUS_AUTOLAUNCH_MUTEX "DBusAutolaunchMutex"
|
||||
|
||||
static void
|
||||
release_mutex (HANDLE mutex)
|
||||
{
|
||||
ReleaseMutex (mutex);
|
||||
CloseHandle (mutex);
|
||||
}
|
||||
|
||||
static HANDLE
|
||||
acquire_mutex (const char *mutexname)
|
||||
{
|
||||
HANDLE mutex;
|
||||
DWORD res;
|
||||
|
||||
mutex = CreateMutexA (NULL, FALSE, mutexname);
|
||||
if (!mutex)
|
||||
return 0;
|
||||
|
||||
res = WaitForSingleObject (mutex, INFINITE);
|
||||
switch (res)
|
||||
{
|
||||
case WAIT_ABANDONED:
|
||||
release_mutex (mutex);
|
||||
return 0;
|
||||
case WAIT_FAILED:
|
||||
case WAIT_TIMEOUT:
|
||||
return 0;
|
||||
}
|
||||
|
||||
return mutex;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
is_mutex_owned (const char *mutexname)
|
||||
{
|
||||
HANDLE mutex;
|
||||
gboolean res = FALSE;
|
||||
|
||||
mutex = CreateMutexA (NULL, FALSE, mutexname);
|
||||
if (WaitForSingleObject (mutex, 10) == WAIT_TIMEOUT)
|
||||
res = TRUE;
|
||||
else
|
||||
ReleaseMutex (mutex);
|
||||
CloseHandle (mutex);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static char *
|
||||
read_shm (const char *shm_name)
|
||||
{
|
||||
HANDLE shared_mem;
|
||||
char *shared_data;
|
||||
char *res;
|
||||
int i;
|
||||
|
||||
res = NULL;
|
||||
|
||||
for (i = 0; i < 20; i++)
|
||||
{
|
||||
shared_mem = OpenFileMappingA (FILE_MAP_READ, FALSE, shm_name);
|
||||
if (shared_mem != 0)
|
||||
break;
|
||||
Sleep (100);
|
||||
}
|
||||
|
||||
if (shared_mem != 0)
|
||||
{
|
||||
shared_data = MapViewOfFile (shared_mem, FILE_MAP_READ, 0, 0, 0);
|
||||
if (shared_data != NULL)
|
||||
{
|
||||
res = g_strdup (shared_data);
|
||||
UnmapViewOfFile (shared_data);
|
||||
}
|
||||
CloseHandle (shared_mem);
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static HANDLE
|
||||
set_shm (const char *shm_name, const char *value)
|
||||
{
|
||||
HANDLE shared_mem;
|
||||
char *shared_data;
|
||||
|
||||
shared_mem = CreateFileMappingA (INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
|
||||
0, strlen (value) + 1, shm_name);
|
||||
if (shared_mem == 0)
|
||||
return 0;
|
||||
|
||||
shared_data = MapViewOfFile (shared_mem, FILE_MAP_WRITE, 0, 0, 0 );
|
||||
if (shared_data == NULL)
|
||||
return 0;
|
||||
|
||||
strcpy (shared_data, value);
|
||||
|
||||
UnmapViewOfFile (shared_data);
|
||||
|
||||
return shared_mem;
|
||||
}
|
||||
|
||||
/* These keep state between publish_session_bus and unpublish_session_bus */
|
||||
static HANDLE published_daemon_mutex;
|
||||
static HANDLE published_shared_mem;
|
||||
|
||||
static gboolean
|
||||
publish_session_bus (const char *address)
|
||||
{
|
||||
HANDLE init_mutex;
|
||||
|
||||
init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
|
||||
|
||||
published_daemon_mutex = CreateMutexA (NULL, FALSE, DBUS_DAEMON_MUTEX);
|
||||
if (WaitForSingleObject (published_daemon_mutex, 10 ) != WAIT_OBJECT_0)
|
||||
{
|
||||
release_mutex (init_mutex);
|
||||
CloseHandle (published_daemon_mutex);
|
||||
published_daemon_mutex = NULL;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
published_shared_mem = set_shm (DBUS_DAEMON_ADDRESS_INFO, address);
|
||||
if (!published_shared_mem)
|
||||
{
|
||||
release_mutex (init_mutex);
|
||||
CloseHandle (published_daemon_mutex);
|
||||
published_daemon_mutex = NULL;
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
release_mutex (init_mutex);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
unpublish_session_bus ()
|
||||
{
|
||||
HANDLE init_mutex;
|
||||
|
||||
init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
|
||||
|
||||
CloseHandle (published_shared_mem);
|
||||
published_shared_mem = NULL;
|
||||
|
||||
release_mutex (published_daemon_mutex);
|
||||
published_daemon_mutex = NULL;
|
||||
|
||||
release_mutex (init_mutex);
|
||||
}
|
||||
|
||||
static void
|
||||
wait_console_window (void)
|
||||
{
|
||||
FILE *console = fopen ("CONOUT$", "w");
|
||||
|
||||
SetConsoleTitleW (L"gdbus-daemon output. Type any character to close this window.");
|
||||
fprintf (console, _("(Type any character to close this window)\n"));
|
||||
fflush (console);
|
||||
_getch ();
|
||||
}
|
||||
|
||||
static void
|
||||
open_console_window (void)
|
||||
{
|
||||
if (((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE ||
|
||||
(HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE) && AllocConsole ())
|
||||
{
|
||||
if ((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE)
|
||||
freopen ("CONOUT$", "w", stdout);
|
||||
|
||||
if ((HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE)
|
||||
freopen ("CONOUT$", "w", stderr);
|
||||
|
||||
SetConsoleTitleW (L"gdbus-daemon debug output.");
|
||||
|
||||
atexit (wait_console_window);
|
||||
}
|
||||
}
|
||||
static void
|
||||
idle_timeout_cb (GDBusDaemon *daemon, gpointer user_data)
|
||||
{
|
||||
GMainLoop *loop = user_data;
|
||||
g_main_loop_quit (loop);
|
||||
}
|
||||
|
||||
__declspec(dllexport) void CALLBACK
|
||||
g_win32_run_session_bus (HWND hwnd, HINSTANCE hinst, char *cmdline, int nCmdShow)
|
||||
{
|
||||
GDBusDaemon *daemon;
|
||||
GMainLoop *loop;
|
||||
const char *address;
|
||||
GError *error = NULL;
|
||||
|
||||
if (g_getenv ("GDBUS_DAEMON_DEBUG") != NULL)
|
||||
open_console_window ();
|
||||
|
||||
g_type_init ();
|
||||
|
||||
loop = g_main_loop_new (NULL, FALSE);
|
||||
|
||||
address = "nonce-tcp:";
|
||||
daemon = _g_dbus_daemon_new (address, NULL, &error);
|
||||
if (daemon == NULL)
|
||||
{
|
||||
g_printerr ("Can't init bus: %s\n", error->message);
|
||||
return;
|
||||
}
|
||||
|
||||
g_signal_connect (daemon, "idle-timeout", G_CALLBACK (idle_timeout_cb), loop);
|
||||
|
||||
if ( publish_session_bus (_g_dbus_daemon_get_address (daemon)))
|
||||
{
|
||||
g_main_loop_run (loop);
|
||||
|
||||
unpublish_session_bus ();
|
||||
}
|
||||
|
||||
g_main_loop_unref (loop);
|
||||
g_object_unref (daemon);
|
||||
}
|
||||
|
||||
static gchar *
|
||||
get_session_address_dbus_launch (GError **error)
|
||||
{
|
||||
HANDLE autolaunch_mutex, init_mutex;
|
||||
char *address = NULL;
|
||||
wchar_t gio_path[MAX_PATH+1+200];
|
||||
|
||||
autolaunch_mutex = acquire_mutex (DBUS_AUTOLAUNCH_MUTEX);
|
||||
|
||||
init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
|
||||
|
||||
if (is_mutex_owned (DBUS_DAEMON_MUTEX))
|
||||
address = read_shm (DBUS_DAEMON_ADDRESS_INFO);
|
||||
|
||||
release_mutex (init_mutex);
|
||||
|
||||
if (address == NULL)
|
||||
{
|
||||
gio_path[MAX_PATH] = 0;
|
||||
if (GetModuleFileNameW (_g_io_win32_get_module (), gio_path, MAX_PATH))
|
||||
{
|
||||
PROCESS_INFORMATION pi = { 0 };
|
||||
STARTUPINFOW si = { 0 };
|
||||
BOOL res;
|
||||
wchar_t gio_path_short[MAX_PATH];
|
||||
wchar_t rundll_path[MAX_PATH*2];
|
||||
wchar_t args[MAX_PATH*4];
|
||||
|
||||
GetShortPathNameW (gio_path, gio_path_short, MAX_PATH);
|
||||
|
||||
GetWindowsDirectoryW (rundll_path, MAX_PATH);
|
||||
wcscat (rundll_path, L"\\rundll32.exe");
|
||||
if (GetFileAttributesW (rundll_path) == INVALID_FILE_ATTRIBUTES)
|
||||
{
|
||||
GetSystemDirectoryW (rundll_path, MAX_PATH);
|
||||
wcscat (rundll_path, L"\\rundll32.exe");
|
||||
}
|
||||
|
||||
wcscpy (args, L"\"");
|
||||
wcscat (args, rundll_path);
|
||||
wcscat (args, L"\" ");
|
||||
wcscat (args, gio_path_short);
|
||||
wcscat (args, L",g_win32_run_session_bus@16");
|
||||
|
||||
res = CreateProcessW (rundll_path, args,
|
||||
0, 0, FALSE,
|
||||
NORMAL_PRIORITY_CLASS | CREATE_NO_WINDOW | DETACHED_PROCESS,
|
||||
0, NULL /* TODO: Should be root */,
|
||||
&si, &pi);
|
||||
if (res)
|
||||
address = read_shm (DBUS_DAEMON_ADDRESS_INFO);
|
||||
}
|
||||
}
|
||||
|
||||
release_mutex (autolaunch_mutex);
|
||||
|
||||
if (address == NULL)
|
||||
g_set_error (error,
|
||||
G_IO_ERROR,
|
||||
G_IO_ERROR_FAILED,
|
||||
_("Session dbus not running, and autolaunch failed"));
|
||||
|
||||
return address;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
static gchar *
|
||||
get_session_address_platform_specific (GError **error)
|
||||
{
|
||||
gchar *ret;
|
||||
#ifdef G_OS_UNIX
|
||||
#if defined (G_OS_UNIX) || defined(G_OS_WIN32)
|
||||
/* need to handle OS X in a different way since `dbus-launch --autolaunch' probably won't work there */
|
||||
ret = get_session_address_dbus_launch (error);
|
||||
#else
|
||||
/* TODO: implement for UNIX, Win32 and OS X */
|
||||
/* TODO: implement for OS X */
|
||||
ret = NULL;
|
||||
g_set_error (error,
|
||||
G_IO_ERROR,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user