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winpr-comm: implemented IOCTL_SERIAL_CONFIG_SIZE

This commit is contained in:
Emmanuel Ledoux 2014-06-17 15:19:16 +02:00 committed by Emmanuel Ledoux
parent 0db3d9dbb0
commit 34c3654faf
6 changed files with 36 additions and 2 deletions
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4
winpr/include/winpr/comm.h
View File

@ -441,7 +441,7 @@ WINPR_API HANDLE CommCreateFileA(LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD
#define IOCTL_SERIAL_GET_PROPERTIES 0x001B0074
/* IOCTL_SERIAL_XOFF_COUNTER 0x001B0070 */
/* IOCTL_SERIAL_LSRMST_INSERT 0x001B007C */
/* IOCTL_SERIAL_CONFIG_SIZE 0x001B0080 */
#define IOCTL_SERIAL_CONFIG_SIZE 0x001B0080
/* IOCTL_SERIAL_GET_STATS 0x001B008C */
/* IOCTL_SERIAL_CLEAR_STATS 0x001B0090 */
/* IOCTL_SERIAL_GET_MODEM_CONTROL 0x001B0094 */
@ -504,7 +504,7 @@ static const _SERIAL_IOCTL_NAME _SERIAL_IOCTL_NAMES[] =
{IOCTL_SERIAL_GET_PROPERTIES, "IOCTL_SERIAL_GET_PROPERTIES"},
// {IOCTL_SERIAL_XOFF_COUNTER, "IOCTL_SERIAL_XOFF_COUNTER"},
// {IOCTL_SERIAL_LSRMST_INSERT, "IOCTL_SERIAL_LSRMST_INSERT"},
// {IOCTL_SERIAL_CONFIG_SIZE, "IOCTL_SERIAL_CONFIG_SIZE"},
{IOCTL_SERIAL_CONFIG_SIZE, "IOCTL_SERIAL_CONFIG_SIZE"},
// {IOCTL_SERIAL_GET_STATS, "IOCTL_SERIAL_GET_STATS"},
// {IOCTL_SERIAL_CLEAR_STATS, "IOCTL_SERIAL_CLEAR_STATS"},
// {IOCTL_SERIAL_GET_MODEM_CONTROL,"IOCTL_SERIAL_GET_MODEM_CONTROL"},

22
winpr/libwinpr/comm/comm_ioctl.c
View File

@ -580,6 +580,28 @@ static BOOL _CommDeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID l
break;
}
case IOCTL_SERIAL_CONFIG_SIZE:
{
if (pRemoteSerialDriver->config_size)
{
ULONG *pSize = (ULONG*)lpOutBuffer;
assert(nOutBufferSize >= sizeof(ULONG));
if (nOutBufferSize < sizeof(ULONG))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
if (!pRemoteSerialDriver->config_size(pComm, pSize))
return FALSE;
*lpBytesReturned = sizeof(ULONG);
return TRUE;
}
break;
}
}
DEBUG_WARN(_T("unsupported IoControlCode=[0x%lX] %s (remote serial driver: %s)"),

1
winpr/libwinpr/comm/comm_ioctl.h
View File

@ -241,6 +241,7 @@ typedef struct _REMOTE_SERIAL_DRIVER
BOOL (*set_xoff)(WINPR_COMM *pComm);
BOOL (*set_xon)(WINPR_COMM *pComm);
BOOL (*get_dtrrts)(WINPR_COMM *pComm, ULONG *pMask);
BOOL (*config_size)(WINPR_COMM *pComm, ULONG *pSize);
} REMOTE_SERIAL_DRIVER;

1
winpr/libwinpr/comm/comm_sercx2_sys.c
View File

@ -151,6 +151,7 @@ static REMOTE_SERIAL_DRIVER _SerCx2Sys =
.set_xoff = NULL, /* not supported by SerCx2.sys */
.set_xon = NULL, /* not supported by SerCx2.sys */
.get_dtrrts = NULL,
.config_size = NULL, /* not supported by SerCx2.sys */
};

1
winpr/libwinpr/comm/comm_sercx_sys.c
View File

@ -400,6 +400,7 @@ static REMOTE_SERIAL_DRIVER _SerCxSys =
.set_xoff = NULL,
.set_xon = NULL,
.get_dtrrts = NULL,
.config_size = NULL, /* not supported by SerCx.sys */
};

9
winpr/libwinpr/comm/comm_serial_sys.c
View File

@ -1483,6 +1483,14 @@ BOOL _get_dtrrts(WINPR_COMM *pComm, ULONG *pMask)
}
BOOL _config_size(WINPR_COMM *pComm, ULONG *pSize)
{
/* http://msdn.microsoft.com/en-us/library/ff546548%28v=vs.85%29.aspx */
pSize = 0;
return TRUE;
}
static REMOTE_SERIAL_DRIVER _SerialSys =
{
.id = RemoteSerialDriverSerialSys,
@ -1514,6 +1522,7 @@ static REMOTE_SERIAL_DRIVER _SerialSys =
.set_xoff = _set_xoff,
.set_xon = _set_xon,
.get_dtrrts = _get_dtrrts,
.config_size = _config_size,
};