ws2_32: Implement a basic synchronous TransmitFile.

Signed-off-by: Erich E. Hoover <erich.e.hoover@wine-staging.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Erich E. Hoover 2015-10-07 12:14:56 -06:00 committed by Alexandre Julliard
parent 966827bbc1
commit 4d081f36ef
2 changed files with 222 additions and 7 deletions

View File

@ -514,6 +514,18 @@ struct ws2_accept_async
struct ws2_async *read;
};
struct ws2_transmitfile_async
{
struct ws2_async_io io;
char *buffer;
HANDLE file;
DWORD file_read;
DWORD file_bytes;
DWORD bytes_per_send;
DWORD flags;
struct ws2_async write;
};
static struct ws2_async_io *async_io_freelist;
static void release_async_io( struct ws2_async_io *io )
@ -2724,6 +2736,117 @@ static BOOL WINAPI WS2_AcceptEx(SOCKET listener, SOCKET acceptor, PVOID dest, DW
return FALSE;
}
/***********************************************************************
* WS2_ReadFile (INTERNAL)
*
* Perform an APC-safe ReadFile operation
*/
static NTSTATUS WS2_ReadFile(HANDLE hFile, PIO_STATUS_BLOCK io_status, char* buffer, ULONG length)
{
int result, unix_handle;
unsigned int options;
NTSTATUS status;
TRACE( "(%p,%p,0x%08x)\n", hFile, buffer,length );
status = wine_server_handle_to_fd( hFile, FILE_READ_DATA, &unix_handle, &options );
if (status) return status;
while ((result = read( unix_handle, buffer, length )) == -1)
{
if (errno != EINTR)
break;
}
if (!result)
status = (length ? STATUS_END_OF_FILE : STATUS_SUCCESS);
else if (result != -1)
status = STATUS_SUCCESS;
else if (errno != EAGAIN)
status = wsaErrStatus();
else
status = STATUS_PENDING;
close( unix_handle );
TRACE("= 0x%08x (%d)\n", status, result);
if (status == STATUS_SUCCESS || status == STATUS_END_OF_FILE)
{
io_status->u.Status = status;
io_status->Information = result;
}
return status;
}
/***********************************************************************
* WS2_transmitfile_getbuffer (INTERNAL)
*
* Pick the appropriate buffer for a TransmitFile send operation.
*/
static NTSTATUS WS2_transmitfile_getbuffer( int fd, struct ws2_transmitfile_async *wsa )
{
/* send any incomplete writes from a previous iteration */
if (wsa->write.first_iovec < wsa->write.n_iovecs)
return STATUS_PENDING;
/* process the main file */
if (wsa->file)
{
DWORD bytes_per_send = wsa->bytes_per_send;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
/* when the size of the transfer is limited ensure that we don't go past that limit */
if (wsa->file_bytes != 0)
bytes_per_send = min(bytes_per_send, wsa->file_bytes - wsa->file_read);
status = WS2_ReadFile( wsa->file, &iosb, wsa->buffer, bytes_per_send );
if (status == STATUS_END_OF_FILE)
return STATUS_SUCCESS;
else if (status != STATUS_SUCCESS)
return status;
else
{
if (iosb.Information)
{
wsa->write.first_iovec = 0;
wsa->write.n_iovecs = 1;
wsa->write.iovec[0].iov_base = wsa->buffer;
wsa->write.iovec[0].iov_len = iosb.Information;
wsa->file_read += iosb.Information;
}
if (wsa->file_bytes != 0 && wsa->file_read >= wsa->file_bytes)
wsa->file = NULL;
return STATUS_PENDING;
}
}
return STATUS_SUCCESS;
}
/***********************************************************************
* WS2_transmitfile_base (INTERNAL)
*
* Shared implementation for both synchronous and asynchronous TransmitFile.
*/
static NTSTATUS WS2_transmitfile_base( int fd, struct ws2_transmitfile_async *wsa )
{
NTSTATUS status;
status = WS2_transmitfile_getbuffer( fd, wsa );
if (status == STATUS_PENDING)
{
int n;
n = WS2_send( fd, &wsa->write, convert_flags(wsa->write.flags) );
if (n == -1 && errno != EAGAIN)
return wsaErrStatus();
}
return status;
}
/***********************************************************************
* TransmitFile
*/
@ -2733,12 +2856,22 @@ static BOOL WINAPI WS2_TransmitFile( SOCKET s, HANDLE h, DWORD file_bytes, DWORD
{
union generic_unix_sockaddr uaddr;
unsigned int uaddrlen = sizeof(uaddr);
struct ws2_transmitfile_async *wsa;
NTSTATUS status;
int fd;
FIXME("(%lx, %p, %d, %d, %p, %p, %d): stub !\n", s, h, file_bytes, bytes_per_send, overlapped,
buffers, flags );
if (overlapped || buffers)
{
FIXME("(%lx, %p, %d, %d, %p, %p, %d): stub !\n", s, h, file_bytes, bytes_per_send,
overlapped, buffers, flags);
WSASetLastError( WSAEOPNOTSUPP );
return FALSE;
}
fd = get_sock_fd( s, 0, NULL );
TRACE("(%lx, %p, %d, %d, %p, %p, %d)\n", s, h, file_bytes, bytes_per_send, overlapped,
buffers, flags );
fd = get_sock_fd( s, FILE_WRITE_DATA, NULL );
if (fd == -1)
{
WSASetLastError( WSAENOTSOCK );
@ -2750,12 +2883,60 @@ static BOOL WINAPI WS2_TransmitFile( SOCKET s, HANDLE h, DWORD file_bytes, DWORD
WSASetLastError( WSAENOTCONN );
return FALSE;
}
release_sock_fd( s, fd );
if (flags)
FIXME("Flags are not currently supported (0x%x).\n", flags);
WSASetLastError( WSAEOPNOTSUPP );
return FALSE;
if (h && GetFileType( h ) != FILE_TYPE_DISK)
{
FIXME("Non-disk file handles are not currently supported.\n");
release_sock_fd( s, fd );
WSASetLastError( WSAEOPNOTSUPP );
return FALSE;
}
/* set reasonable defaults when requested */
if (!bytes_per_send)
bytes_per_send = (1 << 16); /* Depends on OS version: PAGE_SIZE, 2*PAGE_SIZE, or 2^16 */
if (!(wsa = (struct ws2_transmitfile_async *)alloc_async_io( sizeof(*wsa) + bytes_per_send )))
{
release_sock_fd( s, fd );
WSASetLastError( WSAEFAULT );
return FALSE;
}
wsa->buffer = (char *)(wsa + 1);
wsa->file = h;
wsa->file_read = 0;
wsa->file_bytes = file_bytes;
wsa->bytes_per_send = bytes_per_send;
wsa->flags = flags;
wsa->write.hSocket = SOCKET2HANDLE(s);
wsa->write.addr = NULL;
wsa->write.addrlen.val = 0;
wsa->write.flags = 0;
wsa->write.lpFlags = &wsa->flags;
wsa->write.control = NULL;
wsa->write.n_iovecs = 0;
wsa->write.first_iovec = 0;
wsa->write.user_overlapped = NULL;
do
{
status = WS2_transmitfile_base( fd, wsa );
if (status == STATUS_PENDING)
{
/* block here */
do_block(fd, POLLOUT, -1);
_sync_sock_state(s); /* let wineserver notice connection */
}
}
while (status == STATUS_PENDING);
release_sock_fd( s, fd );
if (status != STATUS_SUCCESS)
WSASetLastError( NtStatusToWSAError(status) );
HeapFree( GetProcessHeap(), 0, wsa );
return (status == STATUS_SUCCESS);
}
/***********************************************************************

View File

@ -7429,6 +7429,32 @@ end:
closesocket(connector2);
}
#define compare_file(h,s) compare_file2(h,s,__FILE__,__LINE__)
static void compare_file2(HANDLE handle, SOCKET sock, const char *file, int line)
{
char buf1[256], buf2[256];
BOOL success;
int i = 0;
SetFilePointer(handle, 0, NULL, FILE_BEGIN);
while (1)
{
DWORD n1 = 0, n2 = 0;
success = ReadFile(handle, buf1, sizeof(buf1), &n1, NULL);
ok_(file,line)(success, "Failed to read from file.\n");
if (success && n1 == 0)
break;
else if(!success)
return;
n2 = recv(sock, buf2, n1, 0);
ok_(file,line)(n1 == n2, "Block %d size mismatch (%d != %d)\n", i, n1, n2);
ok_(file,line)(memcmp(buf1, buf2, n2) == 0, "Block %d failed\n", i);
i++;
}
}
static void test_TransmitFile(void)
{
GUID transmitFileGuid = WSAID_TRANSMITFILE;
@ -7438,6 +7464,7 @@ static void test_TransmitFile(void)
struct sockaddr_in bindAddress;
SOCKET client, server, dest;
DWORD num_bytes, err;
char buf[256];
int iret, len;
BOOL bret;
@ -7515,7 +7542,14 @@ static void test_TransmitFile(void)
/* Test TransmitFile with no possible buffer */
bret = pTransmitFile(client, NULL, 0, 0, NULL, NULL, 0);
todo_wine ok(bret, "TransmitFile failed unexpectedly.\n");
ok(bret, "TransmitFile failed unexpectedly.\n");
iret = recv(dest, buf, sizeof(buf), 0);
ok(iret == -1, "Returned an unexpected buffer from TransmitFile (%d != -1).\n", iret);
/* Test TransmitFile with only file data */
bret = pTransmitFile(client, file, 0, 0, NULL, NULL, 0);
ok(bret, "TransmitFile failed unexpectedly.\n");
compare_file(file, dest);
/* Test TransmitFile with a UDP datagram socket */
closesocket(client);