ReactOS 0.4.15-dev-7660-g0086d05
parallel.c File Reference
#include "rdesktop.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
Include dependency graph for parallel.c:

Go to the source code of this file.

Macros

#define MAX_PARALLEL_DEVICES   1
 
#define FILE_DEVICE_PARALLEL   0x22
 
#define IOCTL_PAR_QUERY_RAW_DEVICE_ID   0x0c
 

Functions

int parallel_enum_devices (RDPCLIENT *This, uint32 *id, char *optarg)
 
static NTSTATUS parallel_create (RDPCLIENT *This, uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, uint32 flags, char *filename, NTHANDLE *handle)
 
static NTSTATUS parallel_close (RDPCLIENT *This, NTHANDLE handle)
 
static NTSTATUS parallel_read (RDPCLIENT *This, NTHANDLE handle, uint8 *data, uint32 length, uint32 offset, uint32 *result)
 
static NTSTATUS parallel_write (RDPCLIENT *This, NTHANDLE handle, uint8 *data, uint32 length, uint32 offset, uint32 *result)
 
static NTSTATUS parallel_device_control (RDPCLIENT *This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
 

Variables

DEVICE_FNS parallel_fns
 

Macro Definition Documentation

◆ FILE_DEVICE_PARALLEL

#define FILE_DEVICE_PARALLEL   0x22

Definition at line 21 of file parallel.c.

◆ IOCTL_PAR_QUERY_RAW_DEVICE_ID

#define IOCTL_PAR_QUERY_RAW_DEVICE_ID   0x0c

Definition at line 23 of file parallel.c.

◆ MAX_PARALLEL_DEVICES

#define MAX_PARALLEL_DEVICES   1

Definition at line 19 of file parallel.c.

Function Documentation

◆ parallel_close()

static NTSTATUS parallel_close ( RDPCLIENT This,
NTHANDLE  handle 
)
static

Definition at line 105 of file parallel.c.

106{
108 if (i >= 0)
109 This->rdpdr_device[i].handle = 0;
110 close(handle);
111 return STATUS_SUCCESS;
112}
#define close
Definition: acwin.h:98
int get_device_index(RD_NTHANDLE handle)
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define STATUS_SUCCESS
Definition: shellext.h:65

◆ parallel_create()

static NTSTATUS parallel_create ( RDPCLIENT This,
uint32  device_id,
uint32  access,
uint32  share_mode,
uint32  disposition,
uint32  flags,
char filename,
NTHANDLE *  handle 
)
static

Definition at line 76 of file parallel.c.

78{
79 int parallel_fd;
80
81 parallel_fd = open(This->rdpdr_device[device_id].local_path, O_RDWR);
82 if (parallel_fd == -1)
83 {
84 perror("open");
86 }
87
88 /* all read and writes should be non blocking */
89 if (fcntl(parallel_fd, F_SETFL, O_NONBLOCK) == -1)
90 perror("fcntl");
91
92#if defined(LPABORT)
93 /* Retry on errors */
94 ioctl(parallel_fd, LPABORT, (int) 1);
95#endif
96
97 This->rdpdr_device[device_id].handle = parallel_fd;
98
99 *handle = parallel_fd;
100
101 return STATUS_SUCCESS;
102}
#define open
Definition: acwin.h:95
#define LPABORT
Definition: parallel.h:57
#define O_RDWR
Definition: fcntl.h:36
_CRTIMP void __cdecl perror(_In_opt_z_ const char *_ErrMsg)
#define O_NONBLOCK
Definition: port.h:158
#define STATUS_ACCESS_DENIED
Definition: udferr_usr.h:145
#define ioctl
Definition: wintirpc.h:60

◆ parallel_device_control()

static NTSTATUS parallel_device_control ( RDPCLIENT This,
NTHANDLE  handle,
uint32  request,
STREAM  in,
STREAM  out 
)
static

Definition at line 158 of file parallel.c.

159{
160 if ((request >> 16) != FILE_DEVICE_PARALLEL)
162
163 /* extract operation */
164 request >>= 2;
165 request &= 0xfff;
166
167 printf("PARALLEL IOCTL %d: ", request);
168
169 switch (request)
170 {
172
173 default:
174
175 printf("\n");
176 unimpl("UNKNOWN IOCTL %d\n", request);
177 }
178 return STATUS_SUCCESS;
179}
void unimpl(char *format,...)
Definition: uimain.c:801
#define printf
Definition: freeldr.h:94
#define IOCTL_PAR_QUERY_RAW_DEVICE_ID
Definition: parallel.c:23
#define FILE_DEVICE_PARALLEL
Definition: parallel.c:21
Definition: tftpd.h:86
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135

◆ parallel_enum_devices()

int parallel_enum_devices ( RDPCLIENT This,
uint32 id,
char optarg 
)

Definition at line 40 of file parallel.c.

41{
42 PARALLEL_DEVICE *ppar_info;
43
44 char *pos = optarg;
45 char *pos2;
46 int count = 0;
47
48 /* skip the first colon */
49 optarg++;
50 while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
51 {
52 ppar_info = (PARALLEL_DEVICE *) xmalloc(sizeof(PARALLEL_DEVICE));
53
54 pos2 = next_arg(optarg, '=');
55 strcpy(This->rdpdr_device[*id].name, optarg);
56
57 toupper_str(This->rdpdr_device[*id].name);
58
59 This->rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1);
60 strcpy(This->rdpdr_device[*id].local_path, pos2);
61 printf("PARALLEL %s to %s\n", optarg, pos2);
62
63 /* set device type */
64 This->rdpdr_device[*id].device_type = DEVICE_TYPE_PARALLEL;
65 This->rdpdr_device[*id].pdevice_data = (void *) ppar_info;
66 This->rdpdr_device[*id].handle = 0;
67 count++;
68 (*id)++;
69
70 optarg = pos;
71 }
72 return count;
73}
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
char * strcpy(char *DstString, const char *SrcString)
Definition: utclib.c:388
#define RDPDR_MAX_DEVICES
Definition: constants.h:484
#define DEVICE_TYPE_PARALLEL
Definition: constants.h:486
char * next_arg(char *src, char needle)
Definition: rdesktop.c:1174
void toupper_str(char *p)
Definition: rdesktop.c:1223
void * xmalloc(int size)
Definition: uimain.c:747
const char * optarg
Definition: getopt.c:49
GLuint GLuint GLsizei count
Definition: gl.h:1545
GLuint id
Definition: glext.h:5910

◆ parallel_read()

static NTSTATUS parallel_read ( RDPCLIENT This,
NTHANDLE  handle,
uint8 data,
uint32  length,
uint32  offset,
uint32 result 
)
static

Definition at line 115 of file parallel.c.

116{
118 return STATUS_SUCCESS;
119}
#define read
Definition: acwin.h:96
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLuint64EXT * result
Definition: glext.h:11304

◆ parallel_write()

static NTSTATUS parallel_write ( RDPCLIENT This,
NTHANDLE  handle,
uint8 data,
uint32  length,
uint32  offset,
uint32 result 
)
static

Definition at line 122 of file parallel.c.

123{
124 int rc = STATUS_SUCCESS;
125
126 int n = write(handle, data, length);
127 if (n < 0)
128 {
129#if defined(LPGETSTATUS)
130 int status;
131#endif
132
133 *result = 0;
134 switch (errno)
135 {
136 case EAGAIN:
138 case ENOSPC:
140 case EIO:
142 default:
144 }
145#if defined(LPGETSTATUS)
146 if (ioctl(handle, LPGETSTATUS, &status) == 0)
147 {
148 /* coming soon: take care for the printer status */
149 printf("parallel_write: status = %d, errno = %d\n", status, errno);
150 }
151#endif
152 }
153 *result = n;
154 return rc;
155}
#define EIO
Definition: acclib.h:81
#define EAGAIN
Definition: acclib.h:83
#define write
Definition: acwin.h:97
#define ENOSPC
Definition: errno.h:34
#define LPGETSTATUS
Definition: parallel.h:63
GLdouble n
Definition: glext.h:7729
#define STATUS_DEVICE_POWERED_OFF
Definition: ntstatus.h:195
#define STATUS_DEVICE_PAPER_EMPTY
Definition: ntstatus.h:194
#define STATUS_DEVICE_OFF_LINE
Definition: ntstatus.h:196
#define errno
Definition: errno.h:18
Definition: ps.c:97

Variable Documentation

◆ parallel_fns

DEVICE_FNS parallel_fns
Initial value:
= {
}
static NTSTATUS parallel_write(RDPCLIENT *This, NTHANDLE handle, uint8 *data, uint32 length, uint32 offset, uint32 *result)
Definition: parallel.c:122
static NTSTATUS parallel_read(RDPCLIENT *This, NTHANDLE handle, uint8 *data, uint32 length, uint32 offset, uint32 *result)
Definition: parallel.c:115
static NTSTATUS parallel_close(RDPCLIENT *This, NTHANDLE handle)
Definition: parallel.c:105
static NTSTATUS parallel_create(RDPCLIENT *This, uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, uint32 flags, char *filename, NTHANDLE *handle)
Definition: parallel.c:76
static NTSTATUS parallel_device_control(RDPCLIENT *This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
Definition: parallel.c:158

Definition at line 181 of file parallel.c.

Referenced by rdpdr_process_irp().