reactos/win32ss/printing/providers/localspl/printingthread.c

   1 /*
   2  * PROJECT:     ReactOS Local Spooler
   3  * LICENSE:     GNU LGPL v2.1 or any later version as published by the Free Software Foundation
   4  * PURPOSE:     Implementation of the Thread that actually performs the printing process
   5  * COPYRIGHT:   Copyright 2015 Colin Finck <colin@reactos.org>
   6  */
   7
   8 #include "precomp.h"
   9
  10 DWORD WINAPI
  11 PrintingThreadProc(PLOCAL_JOB pJob)
  12 {
  13     const DWORD cchMaxJobIdDigits = 5;              // Job ID is limited to 5 decimal digits, see IS_VALID_JOB_ID
  14     const WCHAR wszJobAppendix[] = L", Job ";
  15     const DWORD cchJobAppendix = _countof(wszJobAppendix) - 1;
  16     const WCHAR wszPortAppendix[] = L", Port";
  17
  18     DWORD cchPortName;
  19     DWORD cchPrinterName;
  20     DWORD dwErrorCode;
  21     HANDLE hPrintProcessor = NULL;
  22     PLOCAL_PRINT_PROCESSOR pPrintProcessor = pJob->pPrintProcessor;
  23     PRINTPROCESSOROPENDATA OpenData;
  24     PWSTR pwszPrinterAndJob = NULL;
  25     PWSTR pwszPrinterPort = NULL;
  26     PWSTR pwszSPLFile = NULL;
  27
  28     // Prepare the pPrinterName parameter.
  29     // This is the string for LocalOpenPrinter to open a port (e.g. "LPT1:, Port").
  30     cchPortName = wcslen(pJob->pPrinter->pPort->pwszName);
  31     pwszPrinterPort = DllAllocSplMem(cchPortName * sizeof(WCHAR) + sizeof(wszPortAppendix));
  32     if (!pwszPrinterPort)
  33     {
  34         dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
  35         ERR("DllAllocSplMem failed with error %lu!\n", GetLastError());
  36         goto Cleanup;
  37     }
  38
  39     CopyMemory(pwszPrinterPort, pJob->pPrinter->pPort->pwszName, cchPortName * sizeof(WCHAR));
  40     CopyMemory(&pwszPrinterPort[cchPortName], wszPortAppendix, sizeof(wszPortAppendix));
  41
  42     // Prepare the pPrintProcessorOpenData parameter.
  43     OpenData.JobId = pJob->dwJobID;
  44     OpenData.pDatatype = pJob->pwszDatatype;
  45     OpenData.pDevMode = pJob->pDevMode;
  46     OpenData.pDocumentName = pJob->pwszDocumentName;
  47     OpenData.pOutputFile = NULL;
  48     OpenData.pParameters = pJob->pwszPrintProcessorParameters;
  49     OpenData.pPrinterName = pJob->pPrinter->pwszPrinterName;
  50
  51     // Open a handle to the Print Processor.
  52     hPrintProcessor = pPrintProcessor->pfnOpenPrintProcessor(pwszPrinterPort, &OpenData);
  53     if (!hPrintProcessor)
  54     {
  55         dwErrorCode = GetLastError();
  56         ERR("OpenPrintProcessor failed with error %lu!\n", dwErrorCode);
  57         goto Cleanup;
  58     }
  59
  60     // Let other functions use the Print Processor as well while it's opened.
  61     pJob->hPrintProcessor = hPrintProcessor;
  62
  63     // Prepare the pDocumentName parameter.
  64     cchPrinterName = wcslen(OpenData.pPrinterName);
  65     pwszPrinterAndJob = DllAllocSplMem((cchPrinterName + cchJobAppendix + cchMaxJobIdDigits + 1) * sizeof(WCHAR));
  66     if (!pwszPrinterAndJob)
  67     {
  68         dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
  69         ERR("DllAllocSplMem failed with error %lu!\n", GetLastError());
  70         goto Cleanup;
  71     }
  72
  73     CopyMemory(pwszPrinterAndJob, OpenData.pPrinterName, cchPrinterName * sizeof(WCHAR));
  74     CopyMemory(&pwszPrinterAndJob[cchPrinterName], wszJobAppendix, cchJobAppendix * sizeof(WCHAR));
  75     _ultow(OpenData.JobId, &pwszPrinterAndJob[cchPrinterName + cchJobAppendix], 10);
  76
  77     // Print the document.
  78     // Note that pJob is freed after this function, so we may not access it anymore.
  79     if (!pPrintProcessor->pfnPrintDocumentOnPrintProcessor(hPrintProcessor, pwszPrinterAndJob))
  80     {
  81         dwErrorCode = GetLastError();
  82         ERR("PrintDocumentOnPrintProcessor failed with error %lu!\n", dwErrorCode);
  83         goto Cleanup;
  84     }
  85
  86     // Close the Print Processor.
  87     pPrintProcessor->pfnClosePrintProcessor(hPrintProcessor);
  88     hPrintProcessor = NULL;
  89
  90     // Delete the spool file.
  91     pwszSPLFile = DllAllocSplMem(GetJobFilePath(L"SPL", 0, NULL));
  92     if (!pwszSPLFile)
  93     {
  94         dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
  95         ERR("DllAllocSplMem failed with error %lu!\n", GetLastError());
  96         goto Cleanup;
  97     }
  98
  99     GetJobFilePath(L"SPL", OpenData.JobId, pwszSPLFile);
 100     DeleteFileW(pwszSPLFile);
 101
 102     // We were successful!
 103     dwErrorCode = ERROR_SUCCESS;
 104
 105 Cleanup:
 106     if (hPrintProcessor)
 107         pPrintProcessor->pfnClosePrintProcessor(hPrintProcessor);
 108
 109     if (pwszPrinterPort)
 110         DllFreeSplMem(pwszPrinterPort);
 111
 112     if (pwszPrinterAndJob)
 113         DllFreeSplMem(pwszPrinterAndJob);
 114
 115     if (pwszSPLFile)
 116         DllFreeSplMem(pwszSPLFile);
 117
 118     return dwErrorCode;
 119 }