1 /*
2 * PROJECT: ReactOS Local Spooler
3 * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4 * PURPOSE: Implementation of the Thread that actually performs the printing process
5 * COPYRIGHT: Copyright 2015-2017 Colin Finck (colin@reactos.org)
6 */
7
8 #include "precomp.h"
9
10 DWORD WINAPI
PrintingThreadProc(PLOCAL_JOB pJob)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 TRACE("PrintingThreadProc(%p)\n", pJob);
29
30 // Prepare the pPrinterName parameter.
31 // This is the string for LocalOpenPrinter to open a port (e.g. "LPT1:, Port").
32 cchPortName = wcslen(pJob->pPrinter->pPort->pwszName);
33 pwszPrinterPort = DllAllocSplMem(cchPortName * sizeof(WCHAR) + sizeof(wszPortAppendix));
34 if (!pwszPrinterPort)
35 {
36 dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
37 ERR("DllAllocSplMem failed!\n");
38 goto Cleanup;
39 }
40
41 CopyMemory(pwszPrinterPort, pJob->pPrinter->pPort->pwszName, cchPortName * sizeof(WCHAR));
42 CopyMemory(&pwszPrinterPort[cchPortName], wszPortAppendix, sizeof(wszPortAppendix));
43
44 // Prepare the pPrintProcessorOpenData parameter.
45 OpenData.JobId = pJob->dwJobID;
46 OpenData.pDatatype = pJob->pwszDatatype;
47 OpenData.pDevMode = pJob->pDevMode;
48 OpenData.pDocumentName = pJob->pwszDocumentName;
49 OpenData.pOutputFile = NULL;
50 OpenData.pParameters = pJob->pwszPrintProcessorParameters;
51 OpenData.pPrinterName = pJob->pPrinter->pwszPrinterName;
52
53 // Associate our job to the port. The next port handle created through LocalOpenPrinter will pick this up.
54 // LocalStartDocPrinter needs this information to call StartDocPort of the Print Monitor, but as the parameters
55 // for LocalOpenPrinter and LocalStartDocPrinter are fixed, we can only pass over the information this way.
56 pJob->pPrinter->pPort->pNextJobToProcess = pJob;
57
58 // Open a handle to the Print Processor.
59 hPrintProcessor = pPrintProcessor->pfnOpenPrintProcessor(pwszPrinterPort, &OpenData);
60 if (!hPrintProcessor)
61 {
62 dwErrorCode = GetLastError();
63 ERR("OpenPrintProcessor failed with error %lu!\n", dwErrorCode);
64 goto Cleanup;
65 }
66
67 // Let other functions use the Print Processor as well while it's opened.
68 pJob->hPrintProcessor = hPrintProcessor;
69
70 // Prepare the pDocumentName parameter.
71 cchPrinterName = wcslen(OpenData.pPrinterName);
72 pwszPrinterAndJob = DllAllocSplMem((cchPrinterName + cchJobAppendix + cchMaxJobIdDigits + 1) * sizeof(WCHAR));
73 if (!pwszPrinterAndJob)
74 {
75 dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
76 ERR("DllAllocSplMem failed!\n");
77 goto Cleanup;
78 }
79
80 CopyMemory(pwszPrinterAndJob, OpenData.pPrinterName, cchPrinterName * sizeof(WCHAR));
81 CopyMemory(&pwszPrinterAndJob[cchPrinterName], wszJobAppendix, cchJobAppendix * sizeof(WCHAR));
82 _ultow(OpenData.JobId, &pwszPrinterAndJob[cchPrinterName + cchJobAppendix], 10);
83
84 // Printing starts here.
85 pJob->dwStatus |= JOB_STATUS_PRINTING;
86
87 // Print the document.
88 // Note that pJob is freed after this function, so we may not access it anymore.
89 if (!pPrintProcessor->pfnPrintDocumentOnPrintProcessor(hPrintProcessor, pwszPrinterAndJob))
90 {
91 dwErrorCode = GetLastError();
92 ERR("PrintDocumentOnPrintProcessor failed with error %lu!\n", dwErrorCode);
93 goto Cleanup;
94 }
95
96 // Close the Print Processor.
97 pPrintProcessor->pfnClosePrintProcessor(hPrintProcessor);
98 hPrintProcessor = NULL;
99
100 // Delete the spool file.
101 pwszSPLFile = DllAllocSplMem(GetJobFilePath(L"SPL", 0, NULL));
102 if (!pwszSPLFile)
103 {
104 dwErrorCode = ERROR_NOT_ENOUGH_MEMORY;
105 ERR("DllAllocSplMem failed!\n");
106 goto Cleanup;
107 }
108
109 GetJobFilePath(L"SPL", OpenData.JobId, pwszSPLFile);
110 DeleteFileW(pwszSPLFile);
111
112 // We were successful!
113 dwErrorCode = ERROR_SUCCESS;
114
115 Cleanup:
116 if (hPrintProcessor)
117 pPrintProcessor->pfnClosePrintProcessor(hPrintProcessor);
118
119 if (pwszPrinterPort)
120 DllFreeSplMem(pwszPrinterPort);
121
122 if (pwszPrinterAndJob)
123 DllFreeSplMem(pwszPrinterAndJob);
124
125 if (pwszSPLFile)
126 DllFreeSplMem(pwszSPLFile);
127
128 return dwErrorCode;
129 }
130