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Start implementing named pipes.

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This commit is contained in:
Mike McCormack 2001-07-10 19:16:49 +00:00 committed by Alexandre Julliard
parent d50a5b3f0a
commit de7c3003e2
9 changed files with 537 additions and 11 deletions
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4
dlls/kernel/kernel32.spec
View file

@ -186,7 +186,7 @@ debug_channels (comm debugstr dll int resource stress thunk toolhelp win32)
@ stdcall CompareFileTime(ptr ptr) CompareFileTime
@ stdcall CompareStringA(long long str long str long) CompareStringA
@ stdcall CompareStringW(long long wstr long wstr long) CompareStringW
@ stub ConnectNamedPipe
@ stdcall ConnectNamedPipe(long ptr) ConnectNamedPipe
@ stdcall ContinueDebugEvent(long long long) ContinueDebugEvent
@ stdcall ConvertDefaultLocale (long) ConvertDefaultLocale
@ stdcall ConvertToGlobalHandle(long) ConvertToGlobalHandle
@ -231,7 +231,7 @@ debug_channels (comm debugstr dll int resource stress thunk toolhelp win32)
@ stdcall DeleteFileW(wstr) DeleteFileW
@ stdcall DeviceIoControl(long long ptr long ptr long ptr ptr) DeviceIoControl
@ stdcall DisableThreadLibraryCalls(long) DisableThreadLibraryCalls
@ stub DisconnectNamedPipe
@ stdcall DisconnectNamedPipe(long) DisconnectNamedPipe
@ stdcall DosDateTimeToFileTime(long long ptr) DosDateTimeToFileTime
@ stdcall DuplicateHandle(long long long ptr long long long) DuplicateHandle
@ stub EndUpdateResourceA

111
dlls/kernel/sync.c
View file

@ -512,11 +512,35 @@ HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
DWORD nOutBufferSize, DWORD nInBufferSize,
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
{
FIXME("(Name=%s, OpenMode=%#08lx, dwPipeMode=%#08lx, MaxInst=%ld, OutBSize=%ld, InBuffSize=%ld, DefTimeOut=%ld, SecAttr=%p): stub\n",
HANDLE ret;
DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0;
TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p): stub\n",
debugstr_a(name), dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
SetLastError (ERROR_UNKNOWN);
return INVALID_HANDLE_VALUE;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
SERVER_START_VAR_REQ( create_named_pipe, len * sizeof(WCHAR) )
{
req->openmode = dwOpenMode;
req->pipemode = dwPipeMode;
req->maxinstances = nMaxInstances;
req->outsize = nOutBufferSize;
req->insize = nInBufferSize;
req->timeout = nDefaultTimeOut;
if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len );
SetLastError(0);
SERVER_CALL_ERR();
ret = req->handle;
}
SERVER_END_VAR_REQ;
TRACE("Returned %d\n",ret);
return ret;
}
@ -528,12 +552,34 @@ HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
DWORD nOutBufferSize, DWORD nInBufferSize,
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
{
FIXME("(Name=%s, OpenMode=%#08lx, dwPipeMode=%#08lx, MaxInst=%ld, OutBSize=%ld, InBuffSize=%ld, DefTimeOut=%ld, SecAttr=%p): stub\n",
HANDLE ret;
DWORD len = name ? strlenW(name) : 0;
TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p)\n",
debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
SetLastError (ERROR_UNKNOWN);
return INVALID_HANDLE_VALUE;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
SERVER_START_VAR_REQ( create_named_pipe, len * sizeof(WCHAR) )
{
req->openmode = dwOpenMode;
req->pipemode = dwPipeMode;
req->maxinstances = nMaxInstances;
req->outsize = nOutBufferSize;
req->insize = nInBufferSize;
req->timeout = nDefaultTimeOut;
memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) );
SetLastError(0);
SERVER_CALL_ERR();
ret = req->handle;
}
SERVER_END_VAR_REQ;
return ret;
}
@ -570,3 +616,56 @@ BOOL WINAPI WaitNamedPipeW (LPCWSTR lpNamedPipeName, DWORD nTimeOut)
SetLastError(ERROR_PIPE_NOT_CONNECTED);
return FALSE;
}
/***********************************************************************
* ConnectNamedPipe (KERNEL32.@)
*/
BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
{
BOOL ret;
HANDLE event;
TRACE("(%d,%p):stub\n",hPipe, overlapped);
if(overlapped)
{
FIXME("overlapped operation not supported\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
event = CreateEventA(NULL,0,0,NULL);
if(event==INVALID_HANDLE_VALUE)
{
ERR("create event failed!\n");
return FALSE;
}
SERVER_START_REQ( connect_named_pipe )
{
req->handle = hPipe;
req->event = event;
ret = SERVER_CALL_ERR();
}
SERVER_END_REQ;
if(ret) {
ERR("server returned status %08lx\n",GetLastError());
return FALSE;
}
WaitForSingleObject(event,INFINITE);
return TRUE;
}
/***********************************************************************
* DisconnectNamedPipe (KERNEL32.@)
*/
BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
{
FIXME("(%d):stub\n",hPipe);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}

34
files/file.c
View file

@ -339,6 +339,31 @@ HANDLE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa
return ret;
}
static HANDLE FILE_OpenPipe(LPCSTR name, DWORD access)
{
HANDLE ret;
DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0;
TRACE("name %s access %lx\n",name,access);
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
SERVER_START_VAR_REQ( open_named_pipe, len * sizeof(WCHAR) )
{
req->access = access;
if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len );
SetLastError(0);
SERVER_CALL_ERR();
ret = req->handle;
}
SERVER_END_VAR_REQ;
TRACE("Returned %d\n",ret);
return ret;
}
/*************************************************************************
* CreateFileA [KERNEL32.@] Creates or opens a file or other object
@ -365,7 +390,7 @@ HANDLE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa
*
* BUGS
*
* Doesn't support character devices, pipes, template files, or a
* Doesn't support character devices, template files, or a
* lot of the 'attributes' flags yet.
*/
HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
@ -406,7 +431,12 @@ HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
}
if (!strncmp(filename, "\\\\.\\", 4)) {
if (!DOSFS_GetDevice( filename ))
if(!strncasecmp(&filename[4],"pipe\\",5))
{
TRACE("Opening a pipe: %s\n",filename);
return FILE_OpenPipe(filename,access);
}
else if (!DOSFS_GetDevice( filename ))
{
ret = DEVICE_Open( filename+4, access, sa );
goto done;

35
include/server.h
View file

@ -1489,6 +1489,33 @@ struct create_async_request
#define ASYNC_TYPE_WRITE 0x02
#define ASYNC_TYPE_WAIT 0x03
struct create_named_pipe_request
{
REQUEST_HEADER; /* request header */
IN unsigned int openmode;
IN unsigned int pipemode;
IN unsigned int maxinstances;
IN unsigned int outsize;
IN unsigned int insize;
IN unsigned int timeout;
OUT handle_t handle; /* handle to the pipe */
IN VARARG(filename,string); /* pipe name */
};
struct open_named_pipe_request
{
REQUEST_HEADER; /* request header */
IN unsigned int access;
OUT handle_t handle; /* handle to the pipe */
IN VARARG(filename,string); /* pipe name */
};
struct connect_named_pipe_request
{
REQUEST_HEADER;
IN handle_t handle;
IN handle_t event; /* set this event when it's ready */
};
/* Everything below this line is generated automatically by tools/make_requests */
/* ### make_requests begin ### */
@ -1613,6 +1640,9 @@ enum request
REQ_get_serial_info,
REQ_set_serial_info,
REQ_create_async,
REQ_create_named_pipe,
REQ_open_named_pipe,
REQ_connect_named_pipe,
REQ_NB_REQUESTS
};
@ -1738,9 +1768,12 @@ union generic_request
struct get_serial_info_request get_serial_info;
struct set_serial_info_request set_serial_info;
struct create_async_request create_async;
struct create_named_pipe_request create_named_pipe;
struct open_named_pipe_request open_named_pipe;
struct connect_named_pipe_request connect_named_pipe;
};
#define SERVER_PROTOCOL_VERSION 47
#define SERVER_PROTOCOL_VERSION 48
/* ### make_requests end ### */
/* Everything above this line is generated automatically by tools/make_requests */

14
include/winbase.h
View file

@ -793,6 +793,20 @@ typedef struct
int nFileIndexLow;
} BY_HANDLE_FILE_INFORMATION, *PBY_HANDLE_FILE_INFORMATION, *LPBY_HANDLE_FILE_INFORMATION ;
#define PIPE_ACCESS_INBOUND 1
#define PIPE_ACCESS_OUTBOUND 2
#define PIPE_ACCESS_DUPLEX 3
#define PIPE_TYPE_BYTE 0
#define PIPE_TYPE_MESSAGE 4
#define PIPE_READMODE_BYTE 0
#define PIPE_READMODE_MESSAGE 2
#define PIPE_WAIT 0
#define PIPE_NOWAIT 1
#define PIPE_UNLIMITED_INSTANCES 255
typedef struct _SYSTEM_POWER_STATUS
{

1
server/Makefile.in
View file

@ -20,6 +20,7 @@ C_SRCS = \
main.c \
mapping.c \
mutex.c \
named_pipe.c \
object.c \
pipe.c \
process.c \

299
server/named_pipe.c Normal file
View file

@ -0,0 +1,299 @@
/*
* Server-side pipe management
*
* Copyright (C) 1998 Alexandre Julliard
*/
#include "config.h"
#include <assert.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <time.h>
#include <unistd.h>
#include "winbase.h"
#include "handle.h"
#include "thread.h"
#include "request.h"
struct named_pipe;
struct pipe_user
{
struct object obj;
int other_fd;
struct named_pipe *pipe;
struct pipe_user *next;
struct pipe_user *prev;
struct event *event;
};
struct named_pipe
{
struct object obj; /* object header */
unsigned int pipemode;
unsigned int maxinstances;
unsigned int outsize;
unsigned int insize;
unsigned int timeout;
struct pipe_user *users;
};
static void named_pipe_dump( struct object *obj, int verbose );
static void named_pipe_destroy( struct object *obj);
static const struct object_ops named_pipe_ops =
{
sizeof(struct named_pipe), /* size */
named_pipe_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_get_fd, /* get_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
named_pipe_destroy /* destroy */
};
static void pipe_user_dump( struct object *obj, int verbose );
static void pipe_user_destroy( struct object *obj);
static int pipe_user_get_fd( struct object *obj );
static const struct object_ops pipe_user_ops =
{
sizeof(struct pipe_user), /* size */
pipe_user_dump, /* dump */
default_poll_add_queue, /* add_queue */
default_poll_remove_queue, /* remove_queue */
default_poll_signaled, /* signaled */
no_satisfied, /* satisfied */
NULL, /* get_poll_events */
default_poll_event, /* poll_event */
pipe_user_get_fd, /* get_fd */
no_flush, /* flush */
no_get_file_info, /* get_file_info */
pipe_user_destroy /* destroy */
};
static void named_pipe_dump( struct object *obj, int verbose )
{
struct named_pipe *pipe = (struct named_pipe *)obj;
assert( obj->ops == &named_pipe_ops );
fprintf( stderr, "named pipe %p\n" ,pipe);
}
static void pipe_user_dump( struct object *obj, int verbose )
{
struct pipe_user *user = (struct pipe_user *)obj;
assert( obj->ops == &pipe_user_ops );
fprintf( stderr, "named pipe user %p (%s)\n", user,
(user->other_fd != -1) ? "server" : "client" );
}
static void named_pipe_destroy( struct object *obj)
{
struct named_pipe *pipe = (struct named_pipe *)obj;
assert( !pipe->users );
}
static void pipe_user_destroy( struct object *obj)
{
struct pipe_user *user = (struct pipe_user *)obj;
assert( obj->ops == &pipe_user_ops );
if(user->event)
{
/* FIXME: signal waiter of failure */
release_object(user->event);
user->event = NULL;
}
/* remove user from pipe's user list */
if (user->next) user->next->prev = user->prev;
if (user->prev) user->prev->next = user->next;
else user->pipe->users = user->next;
release_object(user->pipe);
}
static int pipe_user_get_fd( struct object *obj )
{
struct pipe_user *user = (struct pipe_user *)obj;
assert( obj->ops == &pipe_user_ops );
return user->obj.fd;
}
static struct named_pipe *create_named_pipe( const WCHAR *name, size_t len )
{
struct named_pipe *pipe;
if ((pipe = create_named_object( &named_pipe_ops, name, len )))
{
if (get_error() != STATUS_OBJECT_NAME_COLLISION)
{
/* initialize it if it didn't already exist */
pipe->users = 0;
}
}
return pipe;
}
static struct pipe_user *get_pipe_user_obj( struct process *process, handle_t handle,
unsigned int access )
{
return (struct pipe_user *)get_handle_obj( process, handle, access, &pipe_user_ops );
}
static struct pipe_user *create_pipe_user( struct named_pipe *pipe, int fd )
{
struct pipe_user *user;
int fds[2];
if(fd == -1)
{
/* FIXME: what about messages? */
if(0>socketpair(PF_UNIX, SOCK_STREAM, 0, fds)) goto error;
}
else
{
if ((fds[0] = dup(fd)) == -1) goto error;
fds[1] = -1;
}
user = alloc_object( &pipe_user_ops, fds[0] );
if(!user)
{
if (fds[1] != -1) close( fds[1] );
return NULL;
}
user->pipe = pipe;
user->other_fd = fds[1];
user->event = NULL; /* thread wait on this pipe */
/* add to list of pipe users */
if ((user->next = pipe->users)) user->next->prev = user;
user->prev = NULL;
pipe->users = user;
grab_object(pipe);
return user;
error:
file_set_error();
return NULL;
}
static struct pipe_user *find_partner(struct named_pipe *pipe)
{
struct pipe_user *x;
for(x = pipe->users; x; x=x->next)
{
/* only pair threads that are waiting */
if(!x->event)
continue;
/* only pair with pipes that haven't been connected */
if(x->other_fd == -1)
continue;
break;
}
return (struct pipe_user *)grab_object( x );
}
DECL_HANDLER(create_named_pipe)
{
struct named_pipe *pipe;
struct pipe_user *user;
req->handle = 0;
pipe = create_named_pipe( get_req_data(req), get_req_data_size(req) );
if(!pipe)
return;
user = create_pipe_user (pipe, -1);
if(user)
{
req->handle = alloc_handle( current->process, user, GENERIC_READ|GENERIC_WRITE, 0 );
release_object( user );
}
release_object( pipe );
}
DECL_HANDLER(open_named_pipe)
{
struct named_pipe *pipe;
struct pipe_user *user,*partner;
req->handle = 0;
pipe = create_named_pipe( get_req_data(req), get_req_data_size(req) );
if(!pipe)
return;
if (get_error() == STATUS_OBJECT_NAME_COLLISION)
{
if ((partner = find_partner(pipe)))
{
user = create_pipe_user (pipe, partner->other_fd);
if(user)
{
set_event(partner->event);
release_object(partner->event);
partner->event = NULL;
close( partner->other_fd );
partner->other_fd = -1;
req->handle = alloc_handle( current->process, user, req->access, 0 );
release_object(user);
}
release_object( partner );
}
else {
set_error(STATUS_NO_SUCH_FILE);
}
}
else {
set_error(STATUS_NO_SUCH_FILE);
}
release_object(pipe);
}
DECL_HANDLER(connect_named_pipe)
{
struct pipe_user *user;
struct event *event;
user = get_pipe_user_obj(current->process, req->handle, 0);
if(!user)
return;
if( user->event || user->other_fd == -1)
{
/* fprintf(stderr,"fd = %x event = %p\n",user->obj.fd,user->event);*/
set_error(STATUS_PORT_ALREADY_SET);
}
else
{
event = get_event_obj(current->process, req->event, 0);
if(event)
user->event = event;
}
release_object(user);
}

6
server/request.h
View file

@ -186,6 +186,9 @@ DECL_HANDLER(create_serial);
DECL_HANDLER(get_serial_info);
DECL_HANDLER(set_serial_info);
DECL_HANDLER(create_async);
DECL_HANDLER(create_named_pipe);
DECL_HANDLER(open_named_pipe);
DECL_HANDLER(connect_named_pipe);
#ifdef WANT_REQUEST_HANDLERS
@ -310,6 +313,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_get_serial_info,
(req_handler)req_set_serial_info,
(req_handler)req_create_async,
(req_handler)req_create_named_pipe,
(req_handler)req_open_named_pipe,
(req_handler)req_connect_named_pipe,
};
#endif /* WANT_REQUEST_HANDLERS */

44
server/trace.c
View file

@ -1593,6 +1593,41 @@ static void dump_create_async_reply( const struct create_async_request *req )
fprintf( stderr, " timeout=%d", req->timeout );
}
static void dump_create_named_pipe_request( const struct create_named_pipe_request *req )
{
fprintf( stderr, " openmode=%08x,", req->openmode );
fprintf( stderr, " pipemode=%08x,", req->pipemode );
fprintf( stderr, " maxinstances=%08x,", req->maxinstances );
fprintf( stderr, " outsize=%08x,", req->outsize );
fprintf( stderr, " insize=%08x,", req->insize );
fprintf( stderr, " timeout=%08x,", req->timeout );
fprintf( stderr, " filename=" );
cur_pos += dump_varargs_string( req );
}
static void dump_create_named_pipe_reply( const struct create_named_pipe_request *req )
{
fprintf( stderr, " handle=%d", req->handle );
}
static void dump_open_named_pipe_request( const struct open_named_pipe_request *req )
{
fprintf( stderr, " access=%08x,", req->access );
fprintf( stderr, " filename=" );
cur_pos += dump_varargs_string( req );
}
static void dump_open_named_pipe_reply( const struct open_named_pipe_request *req )
{
fprintf( stderr, " handle=%d", req->handle );
}
static void dump_connect_named_pipe_request( const struct connect_named_pipe_request *req )
{
fprintf( stderr, " handle=%d,", req->handle );
fprintf( stderr, " event=%d", req->event );
}
static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_new_process_request,
(dump_func)dump_get_new_process_info_request,
@ -1712,6 +1747,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_serial_info_request,
(dump_func)dump_set_serial_info_request,
(dump_func)dump_create_async_request,
(dump_func)dump_create_named_pipe_request,
(dump_func)dump_open_named_pipe_request,
(dump_func)dump_connect_named_pipe_request,
};
static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
@ -1833,6 +1871,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_serial_info_reply,
(dump_func)0,
(dump_func)dump_create_async_reply,
(dump_func)dump_create_named_pipe_reply,
(dump_func)dump_open_named_pipe_reply,
(dump_func)0,
};
static const char * const req_names[REQ_NB_REQUESTS] = {
@ -1954,6 +1995,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"get_serial_info",
"set_serial_info",
"create_async",
"create_named_pipe",
"open_named_pipe",
"connect_named_pipe",
};
/* ### make_requests end ### */