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rpcss: Remove lazy timeout mechanism and use __wine_make_system_process instead.

This commit is contained in:
Rob Shearman 2007-06-19 13:12:07 +01:00 committed by Alexandre Julliard
parent 0f826e7cc1
commit b9a6825927
4 changed files with 34 additions and 240 deletions
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2
programs/rpcss/Makefile.in
View File

@ -4,7 +4,7 @@ SRCDIR = @srcdir@
VPATH = @srcdir@
MODULE = rpcss.exe
APPMODE = -mconsole
IMPORTS = kernel32
IMPORTS = kernel32 ntdll
C_SRCS = \
epmap_server.c \

65
programs/rpcss/np_server.c
View File

@ -38,56 +38,22 @@ LONG RPCSS_SrvThreadCount(void)
BOOL RPCSS_UnBecomePipeServer(void)
{
BOOL rslt = TRUE;
DWORD wait_result;
HANDLE master_mutex = RPCSS_GetMasterMutex();
WINE_TRACE("\n");
wait_result = WaitForSingleObject(master_mutex, MASTER_MUTEX_TIMEOUT);
WINE_TRACE("shutting down pipe.\n");
server_live = FALSE;
if (!CloseHandle(np_server_end))
WINE_WARN("Failed to close named pipe.\n");
if (!CloseHandle(np_server_work_event))
WINE_WARN("Failed to close the event handle.\n");
DeleteCriticalSection(&np_server_cs);
switch (wait_result) {
case WAIT_ABANDONED: /* ? */
case WAIT_OBJECT_0:
/* we have ownership */
break;
case WAIT_FAILED:
case WAIT_TIMEOUT:
default:
WINE_ERR("This should never happen: couldn't enter mutex.\n");
/* this is totally unacceptable. no graceful out exists */
assert(FALSE);
}
/* now that we have the master mutex, we can safely stop
listening on the pipe. Before we proceed, we do a final
check that it's OK to shut down to ensure atomicity */
if (!RPCSS_ReadyToDie())
rslt = FALSE;
else {
WINE_TRACE("shutting down pipe.\n");
server_live = FALSE;
if (!CloseHandle(np_server_end))
WINE_WARN("Failed to close named pipe.\n");
if (!CloseHandle(np_server_work_event))
WINE_WARN("Failed to close the event handle.\n");
DeleteCriticalSection(&np_server_cs);
}
if (!ReleaseMutex(master_mutex))
WINE_ERR("Unable to leave master mutex!??\n");
return rslt;
return TRUE;
}
static void RPCSS_ServerProcessRANMessage(PRPCSS_NP_MESSAGE pMsg, PRPCSS_NP_REPLY pReply)
{
WINE_TRACE("\n");
/* we do absolutely nothing, but on the server end,
the lazy timeout is reset as a result of our connection. */
RPCSS_SetMaxLazyTimeout(pMsg->message.ranmsg.timeout);
RPCSS_SetLazyTimeRemaining(RPCSS_GetMaxLazyTimeout());
pReply->as_uint = 0;
}
@ -471,7 +437,7 @@ BOOL RPCSS_BecomePipeServer(void)
if ((client_handle = RPCSS_NPConnect()) != INVALID_HANDLE_VALUE) {
msg.message_type = RPCSS_NP_MESSAGE_TYPEID_RANMSG;
msg.message.ranmsg.timeout = RPCSS_GetMaxLazyTimeout();
msg.message.ranmsg.timeout = 1000;
msg.vardata_payload_size = 0;
if (!RPCSS_SendReceiveNPMsg(client_handle, &msg, &reply))
WINE_ERR("Something is amiss: RPC_SendReceive failed.\n");
@ -543,12 +509,15 @@ BOOL RPCSS_BecomePipeServer(void)
return rslt;
}
BOOL RPCSS_NPDoWork(void)
{
DWORD waitresult = WaitForSingleObject(np_server_work_event, 1000);
BOOL RPCSS_NPDoWork(HANDLE exit_handle)
{
HANDLE handles[2];
DWORD waitresult;
handles[0] = np_server_work_event;
handles[1] = exit_handle;
waitresult = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
if (waitresult == WAIT_TIMEOUT)
return FALSE;
if (waitresult == WAIT_OBJECT_0)
return TRUE;

7
programs/rpcss/rpcss.h
View File

@ -29,15 +29,10 @@
/* rpcss_main.c */
HANDLE RPCSS_GetMasterMutex(void);
BOOL RPCSS_ReadyToDie(void);
void RPCSS_SetLazyTimeRemaining(long);
long RPCSS_GetLazyTimeRemaining(void);
void RPCSS_SetMaxLazyTimeout(long);
long RPCSS_GetMaxLazyTimeout(void);
/* epmap_server.c */
BOOL RPCSS_EpmapEmpty(void);
BOOL RPCSS_NPDoWork(void);
BOOL RPCSS_NPDoWork(HANDLE exit_event);
void RPCSS_RegisterRpcEndpoints(RPC_SYNTAX_IDENTIFIER iface, int object_count,
int binding_count, int no_replace, char *vardata, long vardata_size);
void RPCSS_UnregisterRpcEndpoints(RPC_SYNTAX_IDENTIFIER iface, int object_count,

200
programs/rpcss/rpcss_main.c
View File

@ -67,120 +67,26 @@
WINE_DEFAULT_DEBUG_CHANNEL(ole);
static HANDLE master_mutex;
static long max_lazy_timeout = RPCSS_DEFAULT_MAX_LAZY_TIMEOUT;
static HANDLE exit_event;
extern HANDLE __wine_make_process_system(void);
HANDLE RPCSS_GetMasterMutex(void)
{
return master_mutex;
}
void RPCSS_SetMaxLazyTimeout(long mlt)
static BOOL RPCSS_work(HANDLE exit_event)
{
/* FIXME: this max ensures that no caller will decrease our wait time,
but could have other bad results. fix: Store "next_max_lazy_timeout"
and install it as necessary next time we "do work"? */
max_lazy_timeout = max(RPCSS_GetLazyTimeRemaining(), mlt);
}
long RPCSS_GetMaxLazyTimeout(void)
{
return max_lazy_timeout;
}
/* when do we just give up and bail? (UTC) */
static SYSTEMTIME lazy_timeout_time;
#if defined(NONAMELESSSTRUCT)
# define FILETIME_TO_ULARGEINT(filetime, ularge) \
( ularge.u.LowPart = filetime.dwLowDateTime, \
ularge.u.HighPart = filetime.dwHighDateTime )
# define ULARGEINT_TO_FILETIME(ularge, filetime) \
( filetime.dwLowDateTime = ularge.u.LowPart, \
filetime.dwHighDateTime = ularge.u.HighPart )
#else
# define FILETIME_TO_ULARGEINT(filetime, ularge) \
( ularge.LowPart = filetime.dwLowDateTime, \
ularge.HighPart = filetime.dwHighDateTime )
# define ULARGEINT_TO_FILETIME(ularge, filetime) \
( filetime.dwLowDateTime = ularge.LowPart, \
filetime.dwHighDateTime = ularge.HighPart )
#endif /* NONAMELESSSTRUCT */
#define TEN_MIL ((ULONGLONG)10000000)
/* returns time remaining in seconds */
long RPCSS_GetLazyTimeRemaining(void)
{
SYSTEMTIME st_just_now;
FILETIME ft_jn, ft_ltt;
ULARGE_INTEGER ul_jn, ul_ltt;
GetSystemTime(&st_just_now);
SystemTimeToFileTime(&st_just_now, &ft_jn);
FILETIME_TO_ULARGEINT(ft_jn, ul_jn);
SystemTimeToFileTime(&lazy_timeout_time, &ft_ltt);
FILETIME_TO_ULARGEINT(ft_ltt, ul_ltt);
if (ul_jn.QuadPart > ul_ltt.QuadPart)
return 0;
else
return (ul_ltt.QuadPart - ul_jn.QuadPart) / TEN_MIL;
}
void RPCSS_SetLazyTimeRemaining(long seconds)
{
SYSTEMTIME st_just_now;
FILETIME ft_jn, ft_ltt;
ULARGE_INTEGER ul_jn, ul_ltt;
WINE_TRACE("(seconds == %ld)\n", seconds);
assert(seconds >= 0); /* negatives are not allowed */
GetSystemTime(&st_just_now);
SystemTimeToFileTime(&st_just_now, &ft_jn);
FILETIME_TO_ULARGEINT(ft_jn, ul_jn);
/* we want to find the time ltt, s.t. ltt = just_now + seconds */
ul_ltt.QuadPart = ul_jn.QuadPart + seconds * TEN_MIL;
/* great. just remember it */
ULARGEINT_TO_FILETIME(ul_ltt, ft_ltt);
if (! FileTimeToSystemTime(&ft_ltt, &lazy_timeout_time))
assert(FALSE);
}
#undef FILETIME_TO_ULARGEINT
#undef ULARGEINT_TO_FILETIME
#undef TEN_MIL
static BOOL RPCSS_work(void)
{
return RPCSS_NPDoWork();
}
static BOOL RPCSS_Empty(void)
{
BOOL rslt = TRUE;
rslt = RPCSS_EpmapEmpty();
return rslt;
}
BOOL RPCSS_ReadyToDie(void)
{
long ltr = RPCSS_GetLazyTimeRemaining();
LONG stc = RPCSS_SrvThreadCount();
BOOL empty = RPCSS_Empty();
return ( empty && (ltr <= 0) && (stc == 0) );
return RPCSS_NPDoWork(exit_event);
}
static BOOL RPCSS_Initialize(void)
{
WINE_TRACE("\n");
exit_event = __wine_make_process_system();
master_mutex = CreateMutexA( NULL, FALSE, RPCSS_MASTER_MUTEX_NAME);
if (!master_mutex) {
WINE_ERR("Failed to create master mutex\n");
@ -211,106 +117,30 @@ static BOOL RPCSS_Shutdown(void)
master_mutex = NULL;
CloseHandle(exit_event);
return TRUE;
}
static void RPCSS_MainLoop(void)
{
BOOL did_something_new;
WINE_TRACE("\n");
for (;;) {
did_something_new = FALSE;
while ( (! did_something_new) && (! RPCSS_ReadyToDie()) )
did_something_new = (RPCSS_work() || did_something_new);
if ((! did_something_new) && RPCSS_ReadyToDie())
break; /* that's it for us */
if (did_something_new)
RPCSS_SetLazyTimeRemaining(max_lazy_timeout);
}
}
static BOOL RPCSS_ProcessArgs( int argc, char **argv )
{
int i;
char *c,*c1;
for (i = 1; i < argc; i++) {
c = argv[i];
while (*c == ' ') c++;
if ((*c != '-') && (*c != '/'))
return FALSE;
c++;
switch (*(c++)) {
case 't':
case 'T':
while (*c == ' ') c++;
if (*c == '\0') {
/* next arg */
if (++i >= argc)
return FALSE;
c = argv[i];
while (*c == ' ') c++;
if (c == '\0')
return FALSE;
} else
return FALSE;
max_lazy_timeout = strtol(c, &c1, 0);
if (c == c1)
return FALSE;
c = c1;
if (max_lazy_timeout <= 0)
return FALSE;
if (max_lazy_timeout == LONG_MAX)
return FALSE;
WINE_TRACE("read timeout argument: %ld\n", max_lazy_timeout);
break;
default:
return FALSE;
break;
}
while (*c == ' ') c++;
if (*c != '\0') return FALSE;
}
return TRUE;
}
static void RPCSS_Usage(void)
{
printf("\nWine RPCSS\n");
printf("\nsyntax: rpcss [-t timeout]\n\n");
printf(" -t: rpcss (or the running rpcss process) will\n");
printf(" execute with at least the specified timeout.\n");
printf("\n");
while ( RPCSS_work(exit_event) )
;
}
int main( int argc, char **argv )
{
/*
* We are invoked as a standard executable; we act in a
* "lazy" manner. We open up our pipe, and hang around until we have
* nothing left to do, and then silently terminate. When we're needed
* again, rpcrt4.dll.so will invoke us automatically.
* "lazy" manner. We open up our pipe, and hang around until we all
* user processes exit, and then silently terminate.
*/
if (!RPCSS_ProcessArgs(argc, argv)) {
RPCSS_Usage();
return 1;
}
/* we want to wait for something to happen, and then
timeout when no activity occurs. */
RPCSS_SetLazyTimeRemaining(max_lazy_timeout);
if (RPCSS_Initialize()) {
do
RPCSS_MainLoop();
while (!RPCSS_Shutdown());
RPCSS_MainLoop();
RPCSS_Shutdown();
}
return 0;