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gno/sys/fileport/fileport/c.port.c

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/*
* Copyright (c) Kopriha Software, 1990
* All Rights Reserved
*
* C.Port.CC
*
* Description:
* This module is the heart of the file support of the
* printer port driver.
*
*
* Table of Contents:
*
* c_port_open . . . . . . . . . . Open the data/command files
* c_port_write . . . . . . . . . Write the buffer of data
* c_port_close . . . . . . . . . Close the data/command files
* (if opened)
*
*
* History:Mar 25, 1991 Dave Created this file
*
*/
/*
* define DEBUG_CODE
* - add # to define to create the local
* debug code (IE:module)
*/
#pragma noroot
#include <ctype.h>
#include <types.h>
#include <quickdraw.h>
#include <control.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#define PATH_LPQ ":var:spool:lpq"
#include "ks.fileio.e"
#include "ks.memory.h"
#ifndef _ERRORS_
#include "Errors.h"
#endif
#ifndef __MEMORY__
#include <memory.h>
#endif
#ifndef __MISCTOOL__
#include <MiscTool.h>
#endif
#ifndef __WINDOW__
#include <Window.h>
#endif
#include <fcntl.h>
#include <signal.h>
#include <gno/gno.h>
#include <sys/ports.h>
/*
* Local variable declarations...
*
* Start with structures...
*/
ResultBuf255 next_filename;
Word optionList[20];
DirEntryRecGS dir_entry;
GSString32Ptr new_data_path;
/*
* Now define all the pointers to structures...
*/
KS_FILE_PTR data_file_ptr = (KS_FILE_PTR) NULL;
/* Buffered file structure ptr */
KS_FILE_PTR dir_file_ptr; /* Used to get all of the filenames */
/* from spool directory */
Handle spoolpath_handle; /* Handle allocated for spool path */
GSString32Ptr spool_directory_ptr;
/* Pointer to the spoolfile directory */
/* pathname (as we've read it from our */
/* datafile). */
/*
* On to the simple variables...
*/
KS_STRUCT_ID ks_expected_id; /* The structure ID we expected to find */
/* during a structure id check */
Word ProgramID; /* Our Memory Manager UserId */
KS_E_ERROR error; /* Used to catch error codes */
KS_E_ERROR error2; /* Used to catch secondary errors */
size_t pathname_length; /* Length (in bytes) of the spool path */
Word max_spool_number; /* Which is the mac spool number found? */
Word num_entries; /* How many directory entries are there? */
Word spoolfile_number; /* The spoolfile # we decided to use */
char cnumber; /* Used during conversion of spoolfile # */
/* into part of the spool pathname */
char delimiter; /* Delimiter for pathname */
#if 0
Word index1, index2; /* Index variables used in for loops */
#endif
Word error_message; /* The error message to display */
Word button; /* Which button of our error dialog did */
/* our user hit? */
Word open_count = 0; /* Count of how many open's we've done...*/
char tmp[128];
Word port_spoolnum = 1; /* count of how many open's we've done */
/*
* Now define some constants...
*/
typedef struct
{
Word length;
char text[35];
} GSString35;
/* GSString35 fileport_datapath = {22, ":Natasha:FilePort.Data" }; */
GSString35 fileport_datapath = {30, "*:System:Drivers:FilePort.Data" };
#define SPOOL_FILENAME_EXTENSION 3 /* 2 for ##, 1 for NULL */
#define BASE_SPOOL_FILENAME_LENGTH 9
char base_spool_filename[BASE_SPOOL_FILENAME_LENGTH+1] =
{"SpoolFile"};
#define SPOOLFILE_FILETYPE ((Word) 4)
#define SPOOLFILE_AUXTYPE ((LongWord) 0)
/*
* Port flag states
*/
enum port_flags {PORT_NOT_ACTIVE = 1,
PORT_READY,
PORT_SPOOLING,
PORT_ERROR};
Word port_status = PORT_NOT_ACTIVE;
/* Current status of port driver... */
#if 0 /* we take these out of libc instead */
void *malloc(size_t size)
{
handle h;
h = NewHandle(size,ProgramID,0,0l);
return *h;
}
void free(void *data)
{
DisposeHandle(FindHandle(data));
}
#endif
/* ****************************************************************** *
* c_port_open - Create and open the data/command spool files for *
* the port driver. *
* *
* History: Mar 25, 1991 Dave Created this routine *
* *
* Dec 23, 1991 Dave Completed pathname expansion (we *
* now handle prefixes (#:), *
* appleshare users (@:), and system *
* disk (*:) references and any *
* set of delimiters. *
* *
* ****************************************************************** */
#define ROUTINE_NAME "c_port_open"
void c_port_open(void)
{
extern GSString32Ptr __C2GSMALLOC(char *);
/* ************************************************************** *
* No local variables... *
* ************************************************************** */
/* ************************************************************** *
* Check if we already have a file open... Apple said this should*
* never happen... but I really don't believe them... *
* ************************************************************** */
if ((data_file_ptr != (KS_FILE_PTR) NULL) ||
(port_status != PORT_NOT_ACTIVE))
{
open_count++;
return;
};
/* ************************************************************** *
* Get the applications memory manager user ID - We'll need it *
* to be able to allocate memory... *
* ************************************************************** */
ProgramID = MMStartUp();
/* ************************************************************** *
* Set the size of the data buffer to 64k... *
* ************************************************************** */
KS_FILE_SET_BUFFER_SIZE((LongWord) (64*1024),
error);
if (error != KS_E_SUCCESS)
{
error_message = BAD_BUFFER_SIZE;
goto ERROR_BAD_BUFFER_SIZE;
};
/* > Open our data file in System:filePort.data: and read it
*
* The line print spool directory is hard-coded
*/
/* Create a spool file name, and set it up in GS/OS format for use
* by the KS_FILE_OPEN routine
*/
sprintf(tmp,PATH_LPQ ":tmp.%08lX",GetTick());
spool_directory_ptr = __C2GSMALLOC(tmp);
/* create the spool file now */
KS_FILE_CREATE((GSString255Ptr) spool_directory_ptr,
SPOOLFILE_FILETYPE,
SPOOLFILE_AUXTYPE,
error);
if (error != KS_E_SUCCESS)
{
error_message = CANT_CREATE_SPOOL_FILE;
goto ERROR_CANT_CREATE_SPOOL_FILE;
};
/* ************************************************************** *
* Open the data spool file *
* ************************************************************** */
KS_FILE_OPEN((GSString255Ptr) spool_directory_ptr,
KS_FILE_WRITE_ACCESS,
KS_FILE_DATA_FORK,
KS_FILE_BUFFER_IO,
&data_file_ptr,
error);
if (error != KS_E_SUCCESS)
{
error_message = CANT_OPEN_SPOOL_FILE;
goto ERROR_CANT_OPEN_SPOOL_FILE;
};
/* ************************************************************** *
* Releasing pathname back to free memory... *
* No error checking because what would we do?? *
* ************************************************************** */
KS_MEMORY_DEALLOCATE(spoolpath_handle,
error);
/* ************************************************************** *
* Set a flag and a counter... *
* ************************************************************** */
port_status = PORT_SPOOLING;
open_count = 1;
/* ************************************************************** *
* Everything is all set - return to our caller... *
* ************************************************************** */
return;
/* ************************************************************** *
* Error processing for all of the error cases of the above code *
* *
* Once we clean up whatever needs to be cleaned up, then we *
* will get around to putting up a dialog box for our user. *
* ************************************************************** */
ERROR_CANT_OPEN_SPOOL_FILE:
KS_FILE_DELETE((GSString255Ptr) spool_directory_ptr,
error2);
ERROR_TOO_MANY_SPOOLFILES:
ERROR_CANT_CREATE_SPOOL_FILE:
ERROR_CANT_GET_NEXT_FILE:
ERROR_CANT_GET_ENTRY_COUNT:
KS_FILE_CLOSE(dir_file_ptr, error2);
ERROR_CANT_OPEN_DIR:
KS_MEMORY_DEALLOCATE(spoolpath_handle,
error2);
goto ERROR_MESSAGE;
ERROR_CANT_READ_PATHNAME:
KS_MEMORY_DEALLOCATE(spoolpath_handle,
error2);
ERROR_CANT_ALLOCATE_PATHNAME:
KS_FILE_CLOSE(dir_file_ptr, error2);
ERROR_CANT_OPEN_CONFIG_FILE:
ERROR_BAD_BUFFER_SIZE:
ERROR_MESSAGE:
port_status = PORT_ERROR;
ERROR_DIALOG(error_message, error, button);
return;
} /* End of c_port_open() */
/* ****************************************************************** *
* c_port_write - Write to the data/command spool files for *
* the port driver. *
* *
* History: Mar 27, 1991 Dave Created this routine *
* ****************************************************************** */
#undef ROUTINE_NAME
#define ROUTINE_NAME "c_port_write"
void c_port_write(char *buffer, Word size)
{
/* ************************************************************** *
* No local variables... *
* ************************************************************** */
/* ************************************************************** *
* Now lets see if it looks like we are allowed to be printing...*
* Check for the following: *
* 1) We are at level 1 for spool files... *
* 2) We have an open spool file *
* 3) No errors have occured (yet) *
* ************************************************************** */
if ((open_count != 1) ||
(data_file_ptr == (KS_FILE_PTR) NULL) ||
(port_status != PORT_SPOOLING))
{
return;
};
/* ************************************************************** *
* Looks good... write this data to the buffered output file. *
* Remember to check for an error... *
* ************************************************************** */
KS_FILE_WRITE(data_file_ptr,
KS_NEXT_FILE_POSITION,
(LongWord) size,
TO_POINTER(buffer),
error);
if (error != KS_E_SUCCESS)
{
error_message = CANT_WRITE_DATA;
goto ERROR_CANT_WRITE_DATA;
};
/* ************************************************************** *
* Everything is all done here - return to our caller... *
* ************************************************************** */
return;
/* ************************************************************** *
* Error processing for all of the error cases of the above code *
* *
* Something bad happened... that means we have to give up *
* on printing and give our user an error dialog that tells *
* them what happened. *
* ************************************************************** */
ERROR_CANT_WRITE_DATA:
/* ************************************************************** *
* First we close the spool file (can't use it anymore now...) *
* then give our user some feed back (like an error message). *
* ************************************************************** */
KS_FILE_CLOSE(data_file_ptr, error2);
data_file_ptr = (KS_FILE_PTR) NULL;
open_count--;
port_status = PORT_ERROR;
ERROR_DIALOG(error_message, error, button);
return;
}
/* pragma debug -1 */
/* ****************************************************************** *
* c_port_close - Close the data/command spool files for *
* the port driver. *
* *
* History: Mar 27, 1991 Dave Created this routine *
* ****************************************************************** */
#undef ROUTINE_NAME
#define ROUTINE_NAME "c_port_close"
void c_port_close(void)
{
static char cf[128];
int slf;
int lpdport;
int cfid;
long msg;
/* ************************************************************** *
* Now lets see if it looks like we can close the spoolfile *
* Check for the following: *
* 1) We are at level 1 for spool files... *
* (otherwise simply decrement the count and return) *
* 2) We have an open spool file *
* 3) No errors have occured *
* ************************************************************** */
if (open_count > 1)
{
open_count--;
return;
};
if ((data_file_ptr == (KS_FILE_PTR) NULL) ||
(port_status != PORT_SPOOLING))
{
return;
};
/* ************************************************************** *
* Close the spool file and reset the file pointer to be NULL *
* so we know that the file has been closed. *
* *
* Note: I haven't added error checking here because there really*
* isn't anything we can do if an error occurs... *
* ************************************************************** */
KS_FILE_CLOSE(data_file_ptr,
error);
data_file_ptr = NULL;
open_count = 0;
port_status = PORT_NOT_ACTIVE;
lpdport = pgetport("LPD");
if (lpdport == -1) {
error_message = DAEMON_NOT_ACTIVE;
goto ERROR_DAEMON_NOT_ACTIVE;
}
msg = (1l << 16) | getpid();
psend(lpdport,msg);
while ((cfid = (int) procreceive()) != -1);
sprintf(cf,PATH_LPQ ":cf.%05d",cfid);
slf = open(cf,O_WRONLY);
if (slf < 0) { SysBeep(); SysBeep(); }
write(slf,"l",1);
write(slf,tmp,strlen(tmp));
write(slf,"\r",1);
write(slf,"U",1);
write(slf,tmp,strlen(tmp));
write(slf,"\r",1);
close(slf);
/* register the job */
msg = (2l << 16) | cfid;
if (psend(lpdport,msg) == -1) SysBeep();
/* ************************************************************** *
* Everything is all set - return to our caller... *
* ************************************************************** */
return;
ERROR_DAEMON_NOT_ACTIVE:
/* ************************************************************** *
* First we close the spool file (can't use it anymore now...) *
* then give our user some feed back (like an error message). *
* ************************************************************** */
KS_FILE_CLOSE(data_file_ptr, error2);
/* delete the spool file */
remove(tmp);
data_file_ptr = (KS_FILE_PTR) NULL;
open_count--;
port_status = PORT_ERROR;
ERROR_DIALOG(error_message, error, button);
return;
}
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